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HomeMy WebLinkAboutContract Manual, Water Reclamation Facility Phase 1• EXECUTED City of Bozeman, Montana Water Reclamation Facility (WRF) HDR Project No. 00,,,60746 Boieman WRF phase 1 Contract Manual For Construction of: lmprovemen#s Project Addenda 1 - 3 October 2008 SRF Project No. C303105-01 EPA STAG Project No. XP-97834301-0 HDR Engineering, Inc. DOCUMENT NO: ', ~ MORRISON MAIERLE '' ,INC. ~~ ~ ` MORRISON MAIERLE, INC. An Employee-Owned Company August 29, 2008 ENGINEERS SURV€~'ORS PLANNERS SCIENTISTS 2880 TECHNOLOGY BOULEVARD WEST • PO BOX 1113 • BOZEMAN, MT 59771 OFFICE:406-587-0721 • FAX:406-922-6702 • www.m-m.net RECEIVED f iLE COPY SEP 0 12008 HDA ENGINEE~d~i~, I~iC CITY OF BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-01 EPA STAG PROJECT NO. XP-97834301-0 LETTER OF TRANSMITTAL SUBJECT: Addendum No.1 Dear Bidding Document Holders and Prospective Bidders: Please find enclosed Addendum No. 1 for the City of Bozeman WRF Phase 1 Improvements Project. Acknowledge receipt of this addendum by signing and dating the space provided in the Bid Form. Please contact our office if you have any questions. Sincerely, ~ MORRISON-MAIERLE, tNC. James Nickelson, P.E. cc: Dan Harmon, HDR Engineering, Inc. Tom Adams/Bob Murray, City of Bozeman N:\2105\054\Bidding Docs\Planholders ListsWddendum Letter No. 1.doc Providing resources in partnership with clients to achieve their goals. • ADDENDUM NO.1 CITY OF BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-O1 EPA STAG PROJECT NO. XP-97834301-0 HDR Engineering, Inc. 1715 South Reserve St., Suite C Missoula, MT 59801 Phone: (406) 532-2232 PART 1-GENERAL 1.01 SCOPE Morrison Maierle, Inc. 2880 Technology Blvd. West Bozeman, MT 59771 Phone: (406) 587-0721 A. This addendum forms a part of the Bidding and Contract Documents and modifies the Project Manual as described below. B. This Addendum consists of 9 pages and the following attachments: • ., 1. Current Planholders List- Dated August 28, 2008. 2. Appendix J-Groundwater Monitoring Study 3. Geotechnical Evaluation -Supplemental Boring Logs 4. Agency Permit Letters 5. Section 02072 Insert -Existing Headworks Structures Drawings 6. New Section 07190 7. New Sheet OOOOC03A 8. Sheet 1100A01 modifications 9. Sheet 1100A04 modifications 10. - Sheet 1100A06 modifications 11. Sheet 1100A08 modifications 12. Sheet 1100A10 modifications 13. Sheet 1100A11 modifications 1.02 ACHNOWLEDGEMENT All bidders are required to base their bid upon the information furnished in this Addendum, and acknowledge receipt of this Addendum by signing and dating in the space provided in the Bid Form. PART 2 -PROJECT MANUAL 2.01 DIVISION 0 -BIDDING DOCUMENTS A. Section 00100 -Instructions to Bidders 08/29/08 Bozeman WRF Phase i Improvements Project 00...60746 Addendum No. l Page I • 1. To Section 00100, Article 15.01, delete the last sentence of the first paragraph and replace with the following: i. "Volume 1 of the Project Manual must be submitted with the Bid at the Bid Opening." B. Section 00200 -Soil Investigation Data 1. To Section 00200, add Article 2.3 to read as follows: i. " 2.3 GROUNDWATER MONITORING STUDY A. The site groundwater was evaluated during the preliminary design, including conducting aquifer testing. The results of the boundary response is presented in the attached Appendix J -Groundwater Monitoring Study" 2. Add Groundwater Monitoring Study attached to this Addendum to the end of Section 00200. 3. Add Geotechnical Evaluation -Supplemental Boring Logs attached to this Addendum to the end of the Geotechnical Evaluation appended to this Section." C. Section 00500 -Construction Agreement 1. To Section 00500, Article 4.02.A.3., delete the paragraph in its entirety and replace with the following: i. " 3. All work shall be substantially complete and ready for • OWNER' S utilization in accordance with Paragraph 1.04 of the General Conditions within 980 calendar days after the date when the Contract time commences to run, as provided in Paragraph 2.03 of the General Conditions." 2.02 DIVISION 1 -GENERAL REQUIREMENTS A. Section 01560 -Environmental Protection and Special Controls 1. Delete Article l .1.A.2. in its entirety. 2. Delete Article 3.1.K. in its entirety. 3. Add a new Article 3.l .K. to read as follows: "K. Agency Permits: 1. The Owner applied for, and received permits for the project from the City of Bozeman, Montana Fish, Wildlife and Parks, The Montana Department of Environmental Quality and Department of the Army (USACOE). The conditions of these permits, included in the Agency Approval letters appended at the end if this Section, shall also become the responsibility of the Contractor throughout the full contract period. Applications for the permits can be reviewed at the Bozeman OfFce of Morrison-Maierle, Inc." • 4. Add the Agency Letters attached to the end of this Addendum to the end of Section 01560. 08/29/08 Bozeman WRF Phase I Improvements Project Page 2 00...60746 Addendum No. 1 2.03 DIVISION 2 -SITE WORK A. Section 02072 -Demolition, Cutting and Patching 1. Add a new Article 4.1 to read as follows: "4.1 EXISTING FACILITIES DRAWINGS A. Available as-built drawings of the existing comminutor channels for the existing Headworks are presented at the end of this Section for the Contractor's use in evaluating the demolition requirements associated with the existing Headworks." 2. Add the Existing Headworks Structures Drawings appended to this Addendum at the end of Section 02072. 2.04 DIVISION 7 -THERMAL AND MOISTURE PROTECTION A. Section 07190 -Under Slab Vapor Retarder: 1. Add New Section 07190 attached at the end of this Addendum to the Contract Documents. 2.05 DIVISION 11 -EQUIPMENT • A. Section 11061 -Pumping Equipment: Non-Clog Centrifugal 1. To Section 11061, Article 2.3.A.2.a., delete the paragraph in its entirety and replace with the following: i. "a. Design condition: 3,300 GPM at 50 FT TDH with minimum pump efficiency of 81 percent." B. Section 11072 -Pumping Equipment: Vertical Turbine (Line Shaft) 1. To Section 11072, add new Article 1.1.C. to read as follows: i. "C. Equipment Numbers: 1. 204-PEP-O1, 204-PEP-02, 204-PEP-03" 2. To Section 11072, to Article A.1., delete reference to pump 204- PEP-04, as it is not included in this Contract. C. Section 11081 -High Speed Turbo Aeration Blower 1. To Section 11081, Article 1.4.A., Guaranteed Wire Power, delete the wire power for design point 1, and replace with the following: i. "582" 2. To Section 11081, Article 2.2.D., delete paragraph from the Contract Documents. 3. To Section 11081, Article 2.7 INLET FILTER, delete the paragraph in its entirety and replace with the following: i. " 2.7 PROCESS AND COOLING AIR INLETS • A. Provide process and cooling air inlets and filters as required to meet the Construction Documents. Inlets 08/29/08 Bozeman WRF Phase 1 Improvements Project Page 3 00...60746 Addendum No. I • shall be located on the roof of the Blower Building and shall be designed to prevent intake of moisture and snow. B. The filter media shall have an efficiency of 90 percent by weight per ASHRE 52-76 with synthetic dust equivalent to separation greater than 95 percent at 10 microns. Filters shall be resistant to water damage and suitable for outdoor installation. C. Maximum clean pressure loss across the filter shall be less tha 0.12 psig." D. Section 11200 -Pre-Engineered Biological Odor Control System 1. To Section 11200, delete Article 1.5-A and replace with the following: i. "An amount equal to 10 percent of the price of the Biological Odor Control System shall be retained by the Owner until performance testing requirements have been satisfactorily completed and accepted. This retainage shall be in addition to the overall project retainage indicated in the Agreement. The Manufacturer shall be responsible for all costs for modifications if performance requirements are not in compliance with the Contract Documents and this • specification." 2. To Section 11200, add new Article 2.1-A-3, with the following language: i. " 3. Bay Products, Inc." E. Section 11980 -Compressed Air System 3. To Section 11980, add new Article 2-1-A-1-b, with the following language: i. "b. Or approved equal." 2.06 DIVISION 12 -FURNISHINGS A. Section 12346 -Laboratory Casework (Wood) 1. To Section 12346, Article 2.3.B.1., delete the paragraph and replace with the following: i. "1. Modified epoxy resin or phenolic resin. a. Chemical and corrosion resistant. b. Color: Black to match countertops. c. Size: Refer to Drawings." 4. To Section 12346, Article 2.3.C.7, delete the sentence and replace . with the following: i. "Color: Black." • 08/29/08 Bozeman WRF Phase 1 Improvements Project Page 4 00...60746 Addendum No. 1 • 2.07 DIVISION 15 -MECHANICAL A. Section 15115 -Water Control Gates 1. To Section 15115, add new Article 2.1.A.l.b. to read as follows: i. "b. Or approved equal." 2. To Section 15115, add the following sentence prior to the table in Article 15115.3.1.: i. "All gates in the following schedule shall be Stainless Steel Type 304 except for gates 204-SUG-O1, -02, -03, and -04 which shall be constructed of Stainless Steel Type 316." 3. To Section 151 I S, Article 3.1., Water Control Gates Equipment Schedule, add the following gate: i. "311-WG-O1 Slide FM 36" x 39" 2/2 SC, AF HCF, RS DN Yes" 4. To Section 15115, Article 2.3.A.2., delete the paragraph in its entirety and replace with the following to read: i. " 2. Maximum leakage rate: not to exceed 0.1 gpm per foot of seat perimeter with water at top of gate slide and operating in either the seating or unseating position." PART 3 -PROJECT DRAWINGS • 3.01 SHEET OOOOGIS A. To the Louver Schedule, change the size of the following louvers as shown below: 1200-LVR-Ol 42"x 42" 1200-LVR-02 42"x 42" 1200-LVR-10 64"x 64" 1200-LVR-11 64"x 64" 3.02 SHEET OOOOC03 A. Add a new Key Note 18 to read as follows: "18. Rotate two 54-inch 45 degree bends located on the east side of the Primary Effluent Pumping station as necessary to match pipe invert at the Primary Effluent Pumping. Station (PEPS) Building." B. Add a keynote 18 pointing to the 54-PE at the east side of the Primary Effluent Pumping Station. C. Add the new Expanded View of Yard Piping At Existing Clarifier Area as shown on the New Sheet OOOOC03A. 3.03 SHEET OOOOC07 A. Delete Key Note 10 from the Contract Documents. • 08/29/08 Bozeman WRF Phase I Improvements Project Page 5 00...60746 Addendum No. 1 3.04 SHEET O100D01 A. Add 6" crossing tee with isolation plug valve between the two grit pump discharge pipelines. 3.05 SHEET O100D02 A. Add Key Note 6 with the following text pointing to the following equipment items: 102-GW-O1, 102-GW-02, 101-SWC-O1, 101-SWC-02. "1. Provide lifting eye in accordance with Detail 05505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.06 SHEET 0200D00 A. Add Key Note 4 with the following text pointing to the following equipment items: Air Compressor. 1. "Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.07 SHEET 0200D01 A. Add Key Note 2 with the following text pointing to the following equipment items: 201-PSP-O1, 201-PSP-02, 201-PSP-03. "1. Provide lifting eye in accordance with Detail 05505-25 above • equipment rated for two times the weight of the heaviest component to be lifted." 3.08 SHEET 0201D01 A. Add a new Key Note 5 to read as follows: "5. Install a new 4-D pipeline from Gravity Thickener Building to existing scum pit as shown on New Sheet OOOOC03A (This Addendum)." 3.09 SHEET 0203D01 A. Add Key Note 2 with the following text pointing to the following equipment items: 202-FPSP-O1 and -02, 203-TPSP-O1 and -02, 202-SG-OI, 203-SG-Ol, 202-FSCP-O1. "1. Provide lifting eye in accordance with Detail 05505-ZS above equipment rated for two times the weight of the heaviest component to be lifted." 3.10 SHEET 0204D01 A. Add Key Note 2 with the following text pointing to the following equipment items: 204-FM-O1, 204-FM-02, 204-FM-03, 204-CV-Ol, 204-CV-02, and 204-CV-03. "l. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two. times the weight of the heaviest component • to be lifted." 08/29/08 Bozeman VJRF Phase I Improvements Project Page 6 00...60746 Addendum No. 1 3.11 SHEET 0300D03 A. Add Key Note 1 with the following text pointing to the following equipment items: 300-FM-O1, 300-FM-02, 300-FM-03, 300-FM-04, 300-CV-O1 300- CV-02, 300-CV-03, and 300-CV-04. "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.12 SHEET 0301D01 A. Add Key Note 7 with the following text pointing to the following equipment items: 300-NPWP-O1 and 300-NPWP-02. "1. Provide lifting eye in accordance with Detail 05505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.13 SHEET 0601 DO 1 A. Add Key Note 7 with the following text pointing to the following equipment items: 601-FM-O1, 601-FM-02, 601-CV-O1, 601-CV-02, 601-DWP-O1, 601- WASP-O1, and 601-WASP-02. "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component • to be lifted." 3.14 SHEET 0800D01 A. Add Key Note 12 with the following text pointing to the following equipment items: 800-FS-O1 and 800-FS-02. "1. Provide lifting eye in accordance with Detai105505-25 above equipment -rated for two times the weight of the heaviest component to be lifted." 3.15 SHEET 1100D01 - A. Add Key Note 11 with the following text pointing to the following equipment items: 1101-SRP-O1, 1101-SRP-03, 1101-SG-O1, 1101-HEX-O1, 1100-HLP-O1, 1100-HLP-02, 1200-DWP-O1, 1101-SG-03, 1100-GRSP-O1, 1100-GRSP-02, 1100-HSWP-O1, 1100-HSWP -02, 1100-SG-OS, 1100-SG- 06, 1100-DP-01, and 1100-DP-02. "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.16 SHEET 1100D04 A. Add Key Note 9 with the following text pointing to the following equipment items: 1100-XT-O1, 1100-AEX-O1, 1100-HWB-O1. 08/29/08 Bozeman WRF Phase 1 Improvements Project Page 7 00...60746 Addendum No. 1 "1. Provide lifting eye in accordance with Detail 05505-25 above equipment rated for two times the weight of the heaviest. component to be lifted." 3.17 SHEET 1100D05 A. Add Key Note 3 with the following text pointing to the following equipment items: 1200-TSP-O1, 1200-TSP-02, 1200-TSP-03, 1200-TSP-04, 1200-FL- O1, 1200-FL-OS, and 1200-FL-06. "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.18 SHEET 1100D06 A. Add Key Note 2 with the following text pointing to the following equipment items: 1101-FS-0l . "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted." 3.19 SHEET 1100D07 A. Add Key Note 4 with the following text pointing to the following equipment items: 1101-CST-O1, 1101-CST-04, 1100-GSC-O1. • "1. Provide lifting eye in accordance with Detail 05505-25 above equipment rated for two times the weight of the heaviest component to be lifted. 3.20 SHEET 1300M05 A. Add Key Note 1 with the following text pointing to the following equipment items: 1300-HEX-O1, 1300-STR-O1. "1. Provide lifting eye in accordance with Detai105505-25 above equipment rated for two times the weight of the heaviest component to be lifted. 3.21 SHEET 1100A01 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. 3.22 SHEET 1100A04 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. 3.23 SHEET 1100A06 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. • 3.24 SHEET 1100A08 08/29/08 Bozeman WRF Phase I Improvements Project Page 8 00...60746 Addendum No. 1 • A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. 3.25 SHEET 1100A10 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. 3.26 SHEET 1100A11 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 1. END OF ADDENDUM NO.1 • 08!29/08 Bozeman WRF Phase I Improvements Project Page 9 00...60746 Addendum No. I • N .F+ C 0 • L r •/~ N ~ _ 1 I ._ ~ ~- O ~ ~~ ~' ; ~o W . ~ 0 0 ~' ~- m J 0 0 0 0 . , ~ Sri + , . ~ ._ o N ~ U Q J ~ a ~ L ~i.+ G N m W V , ~ ^ , W N O /~ W y .~ a Q Q Q Q a s a a a Q Q a Q a i a Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z a W r ~ M M CO 'ct N O r d' (p O r O ~ CNO O O O 07 L, N ~ In ti p p N O 00 M 0p f~ M O N to f~ CO N ~ r r r. N ~ (p r ~ K N N ~ N r l!7 h cf CV N N N N C O LL. 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N N m ~9 '~ # ~aS n N a L Q V ~ P!8 0 0 N N w N 7 0I 7 a O C .N N IQ d C d d .~ N !9 t m Ul a ~~ MORRISON MAIER1E.ac ~~`~~~~ City of Bozeman Water Reclamation Facility • • Phase 1 Improvements Project :__ 'rr-_ ~~` s o riH as ~ Appendix J. Groundwater Monitoring Study Prepared by: Pat Eller, Brian Wainright Reviewed by: James R. Nickelson Date: August 31, 2007 J.1. Introduction The Bozeman Water Reclamation Facility (WRF) is located just northwest of Bozeman Montana within the SW1/4 NE1/4 Section 26 T1S RSE. Please see vicinity map (Appendix J-A, Figure 1). The project area lies just west of the main facility. There were 12 exploratory boreholes, six piezometers and one test well (Appendix J-A, Figure 2) constructed on-site. The boreholes and piezometers were constructed prior to installation of the test well. • Aquifer testing consisted of pretest monitoring, a stepped rate test, a constant rate test and post test monitoring. Aquifer properties for the project area were defined based on analysis of the test data. J.2. Site Exploration An array of 12 boreholes was drilled by SK Geotechnical between May 29, 2007 and June 6, 2007 using ahollow-stem auger. Each borehole was logged by SK personnel and detailed report will be produced by SK as to their findings. In summary, bore logs indicate an average total thickness of quaternary gravels and overburden in the project area to be approximately 29 FT underlain by Tertiary aged clay to claybound gravels. Static water levels were encountered between 10.7 and 15 FT below ground surface. The saturated thickness of the quaternary aquifer ranges from 14 to 18.3 FT across the project area. Stringers of clay, clay bound sand and clay bound gravel lenses were identified in some of the boreholes. J.3. Piezometers Two-IN diameter piezometers were installed to a depth of approximately 30 FT by SK Geotechnical in six of the 12 boreholes (P-1, P-4, P-9, P-10, P-11 and P-12). Each was monitored prior to, during and after aquifer testing by Morrison-Maierle to identify any recession or regression trends, aquifer response to test pumping, recovery response and to identify post test trends. Pretest monitoring data for well P-9 was analyzed and a • potentiometric surface was plotted: to determine groundwater flow direction and gradient. In general the direction of flow was N 52° E with a gradient of 0.0174 FT/FT (see Appendix Bozeman WRF Phase 1 Improvements Project Page J-1 ~- Appendix J. Groundwater Monitoring Study ~ MORRiSON MAIERIE.mc J-A, Figure 2). Screened intervals for the piezometers were not available at the time this report was submitted. The piezometers will continue to be monitored for ground water elevation on a monthly basis. J.4. Test Well Completion Aquifer Test Well No. 1 (AT-1) was completed on June 7, 2007 by Haggerty Drilling. The well was drilled using the dual rotary method by a Foremost DR-24 air-rotary drill. Six- INwell casing was turned to a total depth of 36 FT. The casing was Then pulled back to a depth of 31 FT - 6 IN and backfilled with washed rock to the bottom of casing. A 5.5 FT 0.035 slot stainless steel continuously wrapped screen was then installed on a tailpipe and the casing was pulled up to expose the screen. The screen is exposed across the 23.5 FT to 29 FT interval; a copy of the well log is located in Appendix J-B. Well Development consisted of approximately four hours of air lifting and two hours of pumping prior to the stepped rate test. J.5. Aquifer Testing A brief step test was initiated on June 11, 2007, which consisted of seven steps beginning at 5 gallons per minute (gpm) and ending at 35 gpm. A constant rate test at 30 gpm was begun on June 12, 2007 at 11:10 and ended on June 13, 2007 at 10:33. For each test, discharge was measured using aBlue-White industries pitot type flow meter. Water was discharged approximately 50 FT southeast of the test well during the step test and was carried via 700 FT of 3-IN fire hose to a small creek west of the project area during the constant rate test. Pretest monitoring consisted of static water level (swl) measurements in each piezometer on June 7 and June 8, 2007. In-Situ Inc.'s Level Troll 700-30 psi probes were installed in two piezometers on June 8`'' in wells P-9 and P-4 to assist in pretest data gathering. It was noted during pretest monitoring that the facility's dewatering system was interfering with well P-4. The system pumped water for approximately 45 minutes on 90 minute intervals. The probe was removed and placed in P-10 prior to the step test in order to acquire data without the rhythmic scatter from the dewatering system. Observation well response during the stepped rate test was monitored using probes installed in both P-9 and P-10. Observation data gathering during the constant rate test was performed by manual measurements in piezometers P1, P4, P11, and P12 using an electronic tape. Observations were measured and recorded in P-9 and P-10 with IN-SITU LEVELTROLL pressure transducers. Manual measurements were made as possible by two technicians-for the first two hours of testing (approximately every 4 to 5 minutes), then at increasingly greater intervals until the pump was turned off. Recovery measurements were taken on ten minute intervals for the first 50 minutes then periodically throughout the post test monitoring. All manual water level measurements are listed in Appendix D, Table 1. Post test monitoring consisted of continued manual measurements on June 13 and June 15, 2007 and via probes installed in wells P-9 and P-10 through the morning of June 15, 2007. , • • Bozeman WRF Phase 1 Improvements Project Page J-2. ~. \ MORRf50N Appendix J. Groundwater Monitoring Study ~~~~ • • Aquifer constants were calculated in the pumped well (ATl), and in piezometers P9, P10, and P12. The response in wells P-1 and P-4 was overprinted by the dewatering system at the Bozeman Water Reclamation Facility rendering the data not amenable to solution for aquifer constants. The data was corrected for both the natural groundwater recession of 0.088 ft/day and for dewatering of the aquifer (performed automatically by AQTESOLV). The pumped well data was also corrected for well losses determined using the Hantush- Biershenk (1963) solution. Test data was analyzed to estimate aquifer properties using the aquifer test software AQTESOLV. AQTESOLV analyses are contained in Appendix C. Aquifer properties are summarized in Table J-lbelow. J.6. Aquifer Constants Table J-1. Aquifer Properties Transmissivity ~z/min Storage Coefficient .Saturated Thickness FT Hydraulic Conductivity ft/min AT1 6.06 13.75 0.441 P9 6.568 0.018 15.10 0.435 P10 10.460 0.005 .16.00 0.654 P12 10.32 0.002 15.00 0.688 Average 8.35 0.008 14.96 0.56 Saturated thickness of 15 FT is estimated due to auger refusaCat 23.5. feet below ground surface. J.6.1. Corrections to Data Sets Corrections of the data set included a correction for the natural recession rate of the aquifer during testing. This rate was determined from both pre- and post-test monitoring in well P9. Figure J-1 demonstrates the recession rate of the water table. - Bozeman WRF Phase 1 Improvements Project Page J-3 ~~ ~ ~MORWSON , -` Appendix J. Groundwater Monitoring Study °"~~~~'"` • J.6.2. Negative Boundary Response All solutions were fit to data prior to 200 minutes of testing. This was due to the negative . boundary response at approximately 200 minutes after pumping began. The negative boundary response began axound 200 minutes and is indicated by the doubling of slope of the data in well P10 (Figure J-2) and the departure of the data from the Theis type curve as shown on the AQTESOLV figures in Appendix J-C. This negative boundary is likely when the cone of depression intercepted the underdrain system at the Bozeman WRF, although it could also be showing interception of an area of lower transmissivity. J Bozeman WRF Phase 1 Improvements Pro}ect Page J-4 Figure J-1. Hydrograph of Well P9 . ~~ ~ MoRRISON Appendix J. Groundwater Monitoring Study MA1ERlE.oc Figure J-2. Semi-logarithmic Plot of Observation Data in Well P-10 • J.7. Conclusion Groundwater at the site is flowing mainly through the quaternary gravel which is 25 FT thick on average. The saturated material is 16 FT on average and begins at approximately 13 feet below ground surface. The aquifer materials in this area are highly transmissive averaging 8.79 ftZ/day. Groundwater flows in a general north-northeast direction as calculated using on-site data. This is likely a localized flow direction as both USGS studies. Hackett (1960) and Slagel (1995) indicate groundwater flowing to the north-northwest in this area. This localized flow direction may be due to the underdrain system for the current Bozeman WRF. Bozeman WRF Phase 1 Improvements Project Page J-5 ~~ MORRtSON _'~ Appendix J. Groundwater Monitoring Study ~~~~" J.8. References Bierschenk, W.H., 1963, Determining well efficienry by multiple step-drawdown tests, Intern. Assoc. Sci.; Hydrol. Pub. 64, pp.493-507. Duffield, G.M., 2006, AQTESOLV for Windows version 4 user's guide, HydroSOLVE, Inc., Reston; VA. Hackett, O. M., Visher, F. N., McMurtrey, R. G., and Steinhilber, W. L., 1960. Geology and ground water resources of the Gallatin Valley, Gallatin County, Montana: U:S. Geological Survey Water-Supply Paper1482, 282 p. Hantush, M.S, 1964, Hydraulics of wells; In: V.T. Chow (editor), Advances in hydroscience, Academic Press, New York and London, v. I, pp.281-432. Slagle, Steven E., 1995, Geohydrologic Conditions and Land Use in the Gallatin Valley, Southwestern Montana, 1992-1993: U.S. Geological Survey Water Resources Investigations Report 95-4034. Theis, C.V., 1935, The relation between the lowering of the piezometric surface and the rate and duration of discharge of a well using groundwater storage: Trans. Amex. Geophys, Union, v. 16, pp. 519-524. J.9. Appendices Appendix A + Figure 1: Vicinity Map • Figure 2: Site Plan Appendix B • Well Logs Appendix C • AQTESOLV solutions Appendix D • Manual Water Level Measurements • Bozeman WRF Phase 1 Improvements Project Page J-6 .+~~hh~3AI R~s+c Appendix J. Groundwater Mor-itaring Study • Ap~end~x J-A Bozeman YJRF Phase 1 Improvements Prr~;eet ~, ~J • • '~ ~ 61i ~~ l Appendix J. Groundwater Monitai~ng Staiy ~'-"~~ App~endi~c J-B C7 • 8c~zeman N/RF Phase 1 Improveme~tts Project Montana's Ground-Water Information Center {GWIC) I Site Report E V;l 1.2(307 Page Z of 1. MbNTANA WELL LOG FiEPOFtT Other Options !!!Rs well fog reports this acii~ities of a Eicensad Montana weN driller, serves as the official record of f?'[o_t~iis ~[tQ on::a..toAo9~Pttl~t~p work dome, within the borehole and casing, and describes the amount of water encotantereci. This r6'port is complied electronically from the contents of the taround-Water Iriformationbenter {~W1C~ database for this site. Acquiring water rights is the well owner's responsibility and is-NOT accomplished by the fi{ing of this:xeport. Site Narite: CITY fJF 8.(3ZEMAN VNA5Tt=11VATEfi' Section T: Well Tesf Data PLANT G'VdiC td: 236559 Section 1 Weil Ownex Owner Dams CITY OF BOZEMAIV. WASTEWATER TREATMENT-PLANT Mailing Address. P.O: 80X 1830. City State Zip Cade (30ZEtvtAN Ml' 59771 Section 2: Location Township Range Seafiori fluarterSections o1s a5E zs s~w~~ANEV< :county Oeocode CaALLAT1151 La#ttude tangttude Geamethod Datttm 45.722763 111.0687 3 TRS-TtNN N;4D27 Aldcude Meihoct Datwm D"ate [trop- Block Section 3: Proposed Use of Water MONIT€7RiNG (1} Section 4: 'Type of Work briifing IVlethod: ROTARY Section ;: lAleii completion L3ate Date well eompietedt Thursd4y, June.Q7, 2007 Section 6:1Nei1 Gonstruc#ion l7eials 8orehote dlmenslons t=rom Tn Uiame#er 0 30.5 6 Gasinei From To Cliameter Wail 7t[ickness Pressure Rating- Jpfnt Type -8 24 S D25 WELDED A538=STEEL, 29 80.5 5 0.25 WELDEL3 A53B'STEEL ~.om rei[on rerua creen lrram Ta t3ismeter ~ at Openings Stie of Openings DeSCr[pllari 23:5 29 6 .035 SCREEN-CQNTIiV000S•STEEL AtrtularS aae Seal/GrouUPackeri Cont. From To Descrlptinn Fed?' t) 20 BEN70NIT1= Totaf Depth: 30:5 Static Water Level: i:2 Water Temperature: Airiest' 25 gpm with drill stem seat ,25, fe8t for 1 hours: Time of recovery _~, hours. Recovery wafer leve't 12_ feet... Pumping Wafer Leval ._ feet: flying the wet! test the discharge rate shaft be as uniform as possible,: This rate~may or may not ba the sustainable yield of the uve11. Susfainabfe yield does not- include the- reservoir of the weld basing. Section B; Remarks iC PACKER FROM 22' i 1" TO 23' 7", WEt.L IS t3`(SHOP Section 9 tNefl Log Geologic Source Lut ,Y LENSE Driller Certificativrt AN work performed and reported infiiis wel(tog is incompliance with th.e Montana wefi construction standards. 'this report is-true.to the -best of my knowledge: Name:14EVW HAE3GERTY t;ompany; KI=M/IN HAGCEt~TY t3RtLLtNG INC., License No: MWC-94 bale Cempleted:6lZJ2007 htt~:Iln~bmt;~~vit:tntech.e~ufsaiserver/vll/reports/Site~ummarv.asn?~wieid='~3b5.59&aaencu-mbm2&se:~= 7/3172t3Q? ltppendix J, Groundwater Mortlt~i~i~is3 Study. "` • s. ~-ppend~x: J-C Bozeman WRF Phase 1 Improvements Project Well AT1 I'~IarrE~c~n-Maierle, ln~. ~ HDR Project.:. Locatcn: ~1 ~5.0~ E~~~.~an, ~n~ana ,~ ~~ U ~ ~~ ~ 0~2 1 Data Set': N:\21 Q51050~Docs1We11s1AQTE` Date: 07!31107 'Time: 1:3:48:Q9 S~LUTIfJN Aquifer Mociet: tJncanfined Salutian Method: Theis T = 6.061 ft~lmn S: = 240.7 Kzll{r= 0.001 b =:13. ff a ;ac i VIIELL [IATA Pum ., in V1lells Wefi :Name X fC Y ft AT1_T--- . ..........: ..........._..----........ _1--- ~ ----~-______a___- ~bs~rvation 1lVells Well Name - __ ~-.~ .__-____,___, __ _~ ~ ! Y ~t . ~l~ w__.~_.~_} ~ AT1 ~ ~ 0 ~~~ Time fmin) ~l~~ I P- Preparsd By: Prepared For: Morrison-~M~ierl~, 1~~. HER Project: LocatCor~: 21 t~.~5~ Bo~emn, Mt~ntan ., io ~: U _~ fl N v is 0 1.0 U -3 1;0 Data Set: N:121 Date: 07/31/47 Time _-_ ~~ Vet[s~QTES~LVIP9.; rs: 13:48:Q9 SO!_UTIC7N Aquifisr IUIsdsL; Unconfins~l Srslutien Method: Theis T _.6.568 ft~/min __ S = 0.11761. Kz1Kr = D 006078 b = 1 ~.1 ft 4 g WELL,DATA Perri in Wells> Well Name ~ {ft) Y {ft) :ATE 0 ( 0 Clbsenration ~IVelis ~ ~NsO Nam~e___ __.~... _...._.._ i ..._...X f~ ..__.....----_Y ft P9 __. _. ~ ,~.~ ~ __ ...~_ 123 • • ~~~~~ Well P10 Prepared By: Prepared For: ~orrisc~n-aierl~, inc. HDR Project:. Locafiion; 2~ 05.00 BO~~m~n, 1111Qntan 10 v U ~.. 0 Z3 ++. O -1 1D 10~ -3 10 Time ~cm'irz) 4 0 Data Set: Rt:121tt~~t35D~pecs~1111e11s1AQTESULViP1t?.aqt V1fELL DATA --- Date: D7/31107 1"tme 13:4$10' i ~ -- P W (1 S~LtJT[QN Aquifer Mc~cJeL ~Jneonfned Sc~iution tVle#h~~l; T_h~s T = 10.46 ft~lm in _ _ . S = 0.004955 iCz/i4r =.0.1.254 b = 16. f# --. um in e s Well Name ~ X ft` Y t#. AT1 0 E3 Q~servation Weis Weil Name:..~~- -- _ ___ X. (ft~~.~j._wY (#t~- i'1 ~ ~. 0 262 Well P12 Prepared By-~ Prepared For: c~rrison-Maerle lnc. CDR Project. Location: 1 ~5.~~~ Bozeman ~~t~:r~a 0 10 ,.-, -~ i0 E ~u c~ m o X02 U _3 10 Data Set N _121 Date: E?7I31I0T D Time {min) :s111NeHs1AQTESC)LV1P1.2:agt WELL DATA lime: 13:48:08 _ ._ i'um '-n We1is SCILUTtUN W~1! Name X ft Y ft ;AT1 Q ~ 0 Aquifer Model: Unc©nfined pb5ervation Weir _ __.__~. 5olutifln Method: Theis, ~ well Name:. ~__ _ _~ X,_{ft)_ r .. _Y {it~_ T =..10.32 ft2/min ~ - 0.001615 14 P1~2 0 ~ 383 Kzli<r = 0.0.148.9 b = ~ 5. ft • r ^ ®:~ .MOR~I~C)N~IV~AI~RL, Irrc. Appendix J. Groundwater Monitoring Sfutiy -~ ~'~~ ~x~ ~4pPendz~c J-Q. J Bozeman VYRi= Phase 1 tmprovecnents Project • N o --ut~'N~N. ~~~ ~~ .~ n M1 aF C ' rt~ J cJ ~ t~f ~f~y~iy N e) ^ a5 H~ .s~`4c". _!h ~`# CJ m4 Mi 1 S ~ N~ Y~~ {7 l'l'M 'W< Ea~t' .c) ID -o1~~~ m A N~ m3 n. b N,.y a7i A 1~ N' e~. q}ea o~€w n~c{~. Mi Olj IM Pjf F! N h N~ n Pj M 4'; l~ i't`}i2tc1 ~}'~+ 1 n3 C ~ ~' ~~ .T + t+i M ~Ct nt ."rt~ n - R ~~ [~i . - c~f ~~ ~t N vi ` ..~ ~~ ~ y ~ ~ F ~ f t r .-'.- ~ .-+..~ ~~ ~f' . ( ~ri wit ~. ~ r„r ~ ~ ^ ~ d ~ . i. . ~ .~~ wj ~+:~ e ~ jj ° °t °j .~ '~'7.~-mot.- ..'...+,~t ~ '!~~'R Y!Q N ~ ,~. ~. ~ ta N Z.iaN N ,g~ yry ~ ~Fv i>' t p~ } t N ~ t ~ p~ , Yf~ Nf (V _; 1(~ ~.... r,x Atic K. C~~'+k~c lY tV iii O~ri(( ' ^'~ ...~py ~SI b ~~.4 Y 4 ° io3? g t fem. -O ~ 7^.'~ t G . ~ ~ 4R t ~'~^E O 6@ ~ ~ sj , Z'b1 N: . ~~ Y yt t't m ~ ~ ~~~ .. K.. ~ . '^ _.t ' .- ~~ ~- j ~ - pp ppppp (p~~ ~~ € -- gg ~ ~ pp'~+}t$}$t ~' t~ ''pp ''{{pp,~jpp pp ~ ~ pp pp ~` gyp ' ~ ` p3~ ~ ^ g ~' ~ p g p ~ g g p~ p p g k 3~ ~ t 't ' g p g~( ` ~ p g p Q ^~ ~a 3 ~p 3 Et p 3~ Qj Atu74 ~ Q N~ ~ ~ ~ ~~ g t 3' d d d ~ N , ~ Nt ~ ~N.N tN N+ { S d d N N Ni N ~ W_}}} t~ d d N N N N N ~ ~ ~ Nt _N d ~ N 179 a3 N ~ a~ a f a ~ d " (tEE~it a(t C ~ i l ~~tt'~' f ~ ~i ~,i. ~ ¢i`~~ ~~ ~ .~t m ~ l~ t~ .~ ~:i~. } ! ~,(~ 1 .~{l M ~ ~1 ~; ~ id ~ ~ ~}~ ~ ~~a~~ a(~ ~ ~ f ~ # ~ ~~ ~~'~ ~ a ~ ~ ~^~Ii~~.a i ~ ~ ~f f~ ~ lb ~ ~ fa t~ ~`~ ~ f t 1 4~ • GEJ~TECHNICAt. 2611 Gabel Road P. O, Box SD19D Billings, MT 59108-0190 Phorre: 405.652.3930 r~..• wnc ec~ ooww • m 0 a io r 0 c~ r, b i~ N a a m tl 3 0 m L~~ of ~~~~~~ PROTECT: 07-2295 BORING: ST-'~ 3 GEOTECANICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY. C. Larsen MEIHOD: 3 U4" HSA, Automatic DATE: 8/I4/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials BPF VJL~ qp Remarks 14 .4 0.0 i 2" #o~isoil over ORG CLEAN CLAY, low I plasticity, trace roots, brown, moist, rather stiff'to i5 + i I I I very stiff.. (Alluvium) OL. 1 i I 1 i I `••s x ~. 12 rw 3'f, I I ~ I I ~ ~ 12 3'fi 1429 6.. ~ I i I : POORLY ~RAD~D GRAVEL with CLAY, -fine- to coarse-grained, low plasticity, brown, moist to z9 GP waterbearing, very dense_ (Alluvium) GC SL so~° 138 9 END OP BORING -Auger Refusal Water•bearing soils observed at a depth of 9' while drilling.. Water not observed to dry cave-in depth of 5 1/2' immediately after withdrawal of auger. ' 07-2295 J i-ij PagB t 0I 1 GEOTECHNICAL. 2611 Gabel tzoed P. O. box 80190 ~i- 8iH'mgs, MT 59108-0190 Phone: 806,652.3930 U7-2295 YaX: 9Vb.bbL.3749 RING PROJECT: 47-2295 : BO GEOTECHI~RCAL EVALUATION LOCATION. VJastewatei Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY: C.Zarsen METHOD: 3 1/4" HSA, Automatic DAIS: 8/ 14(08 SCALE: I° = 4' Elev. Depth Symbol DesctiptianofMaterials BPF WL qp Remarks 148.3 4.4 i 9" topsoil over ORGANIC LEAN CLAY, ow 1 plasticity, trace .xoots, brown, moist, medium to stiff. is a + t t t (Alluvium) ~ -- t t ,ti Q..... a + n ' t t { ~~~ ~ M s r s-~ - i [t it rte,. ~ 6 3 , .. 142..3 6 0 t t _ -- __-- L-- vsi plasticity, light brown, moist, + +' ~, ~ ' ` _ medium {Alluvium) CL 6 i~4 IW 139..3 9..4 _ - -- POORLY GRADED GRAVEL with SAND and fine- to coarse-gtairied, low plasticity, CLAY so , brown, moist #o waterbearing, very stiff {Alluvium) Q GF GC n 30 8 132 15 . .. . END OF BORING Water dov~m 11 I /2' with ] 4' of hollow-stem auger in the ground, Water not observed to dry cave-in depth af' 9 1/2' immediately after withdrawal of auger. S i D `s a m CT.14 nflQE 1 of i ~.OG OF BORING - ST-14 -~ • v • ^ • ®..~ ' GEOTECHNICAL 2611 Gabel Road P. t1. Box 80190 ~® BiQings, MT 59108-0190 Phone: 406 652.3930 ., . ,,.,..~ . ^~ ---- ~- FRO)ECT: 07-2295 ~r"f w~ B13R1NG: ~ ~T-'[5 .. GEOTECHNICAL ATI ~1. L.OCATION: WastewaterTr~ ~~~ tP n ,,. ., See attached sketch.. Bozeman, Mori a ~:: -• - r,.• ~ .,' DRILLED BY: C. Larsen ~c ~~' , :~ 3 }!4" 1-ISA, Automatic DAZE: $/14/08 ~ S CALE: 1 " = 4' Elev. Depth Symbol Description of Materials BPF WL qp Remarks 147.4 0.0 ~ ~ 4" topsoil over ORGANIC'L.EAN CLAY, low plasticity, trace roots, brown, moist, medium to very 3o a+ ~ 1 1 1 5tlff. (Allllvlum} - . 1 t IQ 4i OL ~ 'I .t Y ! rw ~ 1 -1' tense of'Gravel. f t ) 14 2 14L.4 6. ` 41 ! _ I,EA1~I CLAY, lorv plasticity, light brown, moist, rather soft. (Alluvium} 4 lf, CL Tw 138.4 9. _ ~POC~R~.Y GRADED GRAVEL with SAND arro _ 28 CLAY, fine- to coarse-grained, low plasticity, brown, moist to wateibearing, medium dense to dense.. (Alluvium} ~ ~ 48 GC ." 132.4 15. to END OF BORING Water down 12' with 14' of"hollow stern auger in the ground. Water not observed to dry cave-in depth of'8' immediately after withdrawal of auger: p~.~g~ ST }5 page I of I .~.~_ 6EOTECHNICAL 2612 Gabet Road P. O. Box 60190 8ltlings, Nrr 59108-0190 Phone: 406.652.3930 tiJ~ of L7 V ~l Itlt7 PROJECT: 0'7-2295 l BORING: ST-~ 6 GEUTECI?NICAL EVALUA ~ ~ LOCATION: Wastewater Treatment Pa an ' n T ~ See attached sketch. Bozeman, Montan ~, ~. .~. DRILLED $Y: C. Larsen '~ OD: 4" T•iSA, Automatic DAIS: 8/1 3/08 SCALE: 1" = 4' Elev.. Depth Symbol '\ ,. Description of Materials BPF WL 9P Remarks 149.4 0. ' 3" topsor! over ORGANIC i~EAN C AY, low to t t i t t tt medrum plasticity, trace roots, brown, moist, rather stiff to very stiff. (Alluvium} z2 a+ OL t t i! g 9 44 4. tt . _ _ _._ POORLY GRADED GRAVEi, with~SAND and CLAY, fine- to coarse-grained, low plasticity, 34 brown, moist to waterbearing, medium dense #o very dense. (A,Iluvium) ss GP 6t GC ~ ss 133.9 ] 5. _~ 15 END OF BORING Water down 1!2' with I4' of hollow-stem auger in the ground . Water not observed to wet cave-in depth of t2' er awal of au diatel withd aft i g . r mme y er _r, • • • a7-zz9s ~.-.., r46 . w . .etl~' GEOTECHNICAL 2611 Gebel Road P. O. Box 80190 Billings, MT 54108-0190 Phone: 406.652 3930 LGG O~ BORING PRO.TECI': 07-2295 ~:••• BORING: ST-"I7 GEOTECI31~iICAL EVA~,.i~il<'"I'ION iACATION: Wastewater Ilea meant Sion See attached sketch. Bozeman, Lana , .. ._. ~~ DRILLED BY: C. Larsen : `3 ]/4' HSA, Automatic 'DATE: $/13108 SCALE: 1" =4' Elev. Depth Symbol ~ Description of Materials BPF WL gp Remarks 149.4 0.0 6" topsoil over ORGANIC LEAN Y, low to - ! ! m~itun plasticity, trace roofs, brown, moist, rather is a+ OL ! ! ! ! stiffto stiff. (Alluvium) I ! 71 A+ 145.9 3. I ! _ r POORLY GRAI?ED GRAVEL with SAND and CLAY, fine- to coarse-grained, low plasticity, • brawn, moist to waterbeazing, medium dense to very ss dense. (Alluvium) 45 GP GC ,~ ~. 31 133.9 15, ~ END OF BORING Water down 12' with 14' of~hollow-stem auger in the ground. Water not observed to wet cave-in depth of'8 Ifl' - immediately after withdrawal of auger. 09-2295 S1=I7 page 1 of I ~~ GEOTECHNT~AL 2611 Gahel Road P,.O, Box 8019D L ~ ~' ~ . ~ B ~- BRI[ngs, hff 59i0H-0140 Phone: 406.65 .3930 rax: guo.o7t.~yg4 PROTECT: 07~-2295 BORING: $T-18 GEOTECHNICAL EVA.LtTa~~IO LOCATION: Wastewater Treatmen lant Esion See attached sketch.. Bozeman, Mo -~ DRILLED BY: C. Larsen 1'H 3 I/a" HSA, AtitOmatiC DATE: 8/14/08 SCALE: 1" = 4' Elev_ Depth Symbol ~ ~,,... Description of Materials BPF WL. qP Remarks 14s:7 O.o - ~ ~ 2" topsoil over ORG CLEAN CLAY, low plasticity, trace roots, brown, moist, rather stiffto as a+ OL ~ ~ ~ very stiff. {Alluvium) 145:7 3.0 ~ ~ 9 a+ POORLY GRADED GRAVEL-with SAND and CLAY, Erne-to coarse-grained, low plasticity, brown, moist to waterbearing, dense to very dense. (Alluvium) a2 a3 GP GC st I ~ 33 ~ 133.2J l Water down 1l' with 14' of'hollaw-stem auger in the ground. Water not observed to dry cave-in depth of~ 10' immediately afterwithdrawal of suger•.. ai • • • ST 18 page 1 oft • -. l~ u } _ ~~ ~ h ~~1 ~ =g W ~~ ~ ~ ;~ ~~, ~ ~~~~~ __. .._ .~ ~.:~ ,: s ~ ~ - ;, . ~ r ' ;~ ~~ ~ ~~ ., , ,~ .; , ; 1; ~,. 1 r 1 i ,h >> f~. ;- ' ~~ --- -"~, •_,,,r. + f °.., ~~ i i; (~ i ~... i~ `t I ~. .r ~. ~: ~L. r ~ ~r ~' T ;~' t'; i f l i •r_ t h :~ :~ `c i I~ ~I u oRPFt ~oF $aaE~ • ~~ ~ ~~ r y{t_~-$ 3_ ~~ 9T~N co. M°~ THE CITY OF BOZEMAN 20 E. OLIVE • P.O. BOX r 230 BOZEMAN MONTANA 59777.1230 ENGINEERING DEPARTMENT PHONE: (406) 582-2280 FAX: (406) 582.2263 July 21, Zoos Steve M Laufenberg Momson Maierle, Inc. 2880 T'echnoIogy Blvd , W. P.O. Box 11 I3 Bozeman, MT 597'71 Re: Flood Plain Development Permit Bozeman Wastewater Treatment Plant Facilities Upgrade Dear Steve: I his letter shall serve as formal written approval of the 3une 25, 2008 application for a F lood Plain Development Permit for the above-referenced project T17e issuance of this Flood Plain Development Permit is subject to the following provisions. the project work must conform to the approved project plans and specifications. Any change in the approved plans and specifications shall be submitted to the City Engineer's office for review and approval prior to construction. • the project engineer or' architect shall provide adequate project constx7tction inspection and within 90 days of completion of the pervritted wor k shall certify to the City Engineer that the project was completed in accordance with the approved plans, Ibis approval is given with the understanding that the work within the 100 year floodplain will be initiated within two years of the date of this letter. If' more than two years elapses before initiation o#' this project, it shall be necessary to resubmit the project plans for re-approval before beginning construction. Any required permits from the Cotps of Engineers, Fish Wildlife & Parks, Department of Environmental Quality, SCS, or other regulator agencies shall be obtained prior to initiation of the work. Cme set of plans bearing the City's approval is enclosed. Please contact me if~you have any questions.. Sincerel~y,/~ Rick Hixson, P.E City Engineer cc: Debra H, Arkell, Director of Public Service Karl Christians, DNRC Floodplain Manager, PO Box 201601, Helena, MI 59620-1601 Project File ERF • ' HOME OF' MONTANA STATE UNEVERSITY GATEWAY TO YELI,.OWSTONE PARK --. cation Revised: o9/24ro3 AGEi`iCY USE ONLY: Application # Date Received Fora may be downloaded firom: Date Accepted Date Forwarded to DF WP www.dnrc state mt us/permii fitml 30INT APPLICATION FOR PROPOSED WORK IN MONTANA'S STREAMS, WETLANDS, FLOODPLAINS, AND OTHER WATER BODIES Use ti'uq form to apply for• one ox• all of the local, state, or federal permits listed below.. The insert titled "Information to Applicant" includes agency contact utfonnation and instructions on how to complete this application. ARer completing the form, make the required number of copies and sign each copy. Send the copies, with•original signatures and additional information required, directly to each applicable agency I'o expedite your application, be:sure all required information, including a project site map and dx•awings are included. Incomplete applications will be rejected Note: other laws may apply. Tt is your responsibility to obtain all permits and landowner permission, if applicable, before beginning work ~* ,ss Bridge mange 5 East, ~dy where the project will ~" representing the exact .ving figures for' the proposed Bozeman ,~ and Topographic Map dl Map ails Map . NWI Map .ant Wetland Delineation Map dOdECT INFORMATION ,tested below, a PLAN OR DRAWING of the proposed project tYlUS7• be include: 1) a plan view (looking at the project from above; 2) an elevation view .ne right orleft; .3) dimensions of'theproject; Q) dimensions and location o~f fill or• .orage or stockpile materials; 6) location of existing orproposed structures, such as ,ridges; 7) drainage facilities; $} an arrow indicating north. Floodplain permit applicants ..ocally since additional information is usually required .ngs ax•e attached, depicting plan and profile project design details: t Bozeman 'WWTP Str•eambank and Wetland Impact Exhibit Index Sheet .tg 2 Bozeman WWTP Str•eambank and Wetland Impact Exhibit Plan and Profile Sheet • • • p ~. _ ~~~ • ~l~la ~h> J ~wSta6~e (82 .tune 16, 2008 Mr.. Iom Adams City of'Bozeman Water' Reclamation Facility 255 Moss Bridge Road Bozeman, MI 59718 SUB TECI : Permit No . GAL CO-08-08 Water body. East Gallatin River Water code:04-17L0 Project: Effluent outfaIl structure and drain pipe placement Dear• Mr~_ Adams, • in accordance with the Montana Stream Protection Act, I reviewed your prnposai dated June 2, 2008 to install a new effluent outfall structure and associated stormwater drains which will impact the East Gallatin River' and East C.atron Creek Authorization for this work is approved provided that aD work is carried out in compliance with the following conditions: 1. All work shall remain within the scope of work anticipated by descriptions in your Stream Preservation Act Permit Application dated Iune 2, 2008.. 2. All work shall be conducted in a manner that nunirrrizes turbidity. 3~ Io prevent the inadvertent introduction ofpetroleum products into-the waterway, no defective equipment shall be operated in the streams or in adjacent areas capable of contributing surface flow to the local drainage.. 4 All streambank and adjacent areas disturbed by the construction activity shall be protected with temporary erosion control measures during the construction activities. These areas shall be reclaimed with long-term erosion control measures and revegetated immediately after construction 5 . Any excess material generated from this project must be disposed of'above the or•dinazy high water mark and not in an area classified as a wetland • NOTE; This permit is valid through September of 2011 I have reviewed the above project on behalf of'the Montana Department ofEnvironmental Quality (DEQ) pursuant to the Montana Water• Quality Act Sbox•t-texTrr Water Quaiiiy Standards for Turbidity 75-5-3181~ICA: Impacts to the physical and biological environment from turbidity generated as a result of'this project are uncertain. Therefore, the applicant must contact the Montana Department of Environmental Quality, 1520 East Sixth Avenue, Box 200901, Helena, M7.59620-0901, {406 444-3080) to determine project specific narrative conditions required to meet short-term water quality standards and protect aquatic biota. Sincerely, Michael Vaughn Madison-Gallatin Fisheries Biologist Montana Fish, Wildlife & Parks 1400 S 19`" Bozeman, MT 59718 406-994-6938 mvaug_hn~a~gov C: Pat Flowers, FWP Region Three Supervisor Bruce Rich, FWP Region Three Fisheries Manager Steve Laufenber~g, Morison Maierle, inc. • • Ruo 25" D8 03:11p ~ H-azeman iili,J7P I13oaztana ~epax•tment of ®_ P..O.. IIgs 300')01 August 21, 2008 -~ 4D8-58R-7D17 p-.2 - ~~~ $r3an SchYtieitzer, Governor • Helena, i1IT 59620-0902 - {40fi) 444-2144 - w~-titi_deq.mL.nov I~om Adams City of Bozeman, Wastewater Treatment Plant 255 Moss Bridge Road Bozeman, MT 597~i8 RE Authorization No. 1111TBD13908 Short-7etm Water Quality Standard for Turbidity Related to Construction Activity pursuant to 755-x'18; MCA VALID Serztember 1 2x08 through August 39. ZOi79 Dear Mr. Adams: The Montana Department of Environmental Quality (DEQ} Water Protection Bureau has completed our review of your application far activity on the East Ga11a#in River and tributaries (Sec 26, ~T1S, R5E} In Gallatin County. This activity herewith i5 qualified for a temporary surface water quality turbidity standard if it is carried out in accordance with the following conditions: • (1) Construction activities in or nearthe watercourse are #o be limited to the minimum area necessary, and conducted so as to minimize increases in suspended solids and turbidity which may degrade water quality grid damage aquatic t'rfe outside the immediate area of operation, (2} The use of machinery in the watercourse shall be avoided unless absolutely necessary.. To prevent leaks of petroleum products info waterways, no defective equipment shall be operated in the watercourse or~ adjacent areas capable of corrtrfbuting surface flow to the watercourse, (3j Precautions snail ~be taken ~o preveni spillage of any petrofeurn products, chemicals or other.deleierious material in or hear the watercourse, and no equipment shat! be fueled or serviced in adjacent areas capable of contributing surface flow to the watercourse, (4) All disturbed areas an the strearnbank and adjacent areas created by the construction activity shall be protected with temporary erosion control during construction activities. 't'hese areas shad be reclaimed with appropriate erasion control measures and revegetated to provide long-term erosion control, (5) Any excess material generated from this project must be disposed of above the ordinary high wafer mark, not classified as a wetland, and in a position not to cause pollution to State waters, (6) Clearing of vegetation will be limited to that which is absolutely necessary far construction of the project. Pcre~ltliag S: Compliance Divtston •• Enrorermeat Divit;oa Ylnnoiag. Prcv~nttlon a@ Atsixtantt Pivisioa Re~ucd~tion fllvia~ioa Rug 25 OS 03:11p Bnzenan ~UTP ~€DS-588-7017 (7} The use of asphalt or petroleum-based products as riprap is strictly prohibited.. its use asfll material is also prohibited if it is placed in a location where it is likeiyto cause pollution ofi State waters, (8} This authorization does not auti•rorize a paint source surface water discharge. A MPDES permit is required fior said discharge, and (g) The applicant must conduct all activities in fait and complete compliance with all terms and conditions ofi any .permit for this activity issued pursuant to the Montana Natural Streambed and t_and Preservation Act (3'10 permit) or the Montana Stream Protection Act {124 permit}, and any valid Memorandum of Agreement ar7d Authorization {MAA) negotiated for this activity, (1 b) Precautions shat! betaken to prevent spillage of any petroleum products, chemicals or other deleterious material in or near the watercourse, and no equipment shall be fueled or serviced in adjacent areas capable of contzibufing surface flow to the watercourse. A spill containment kit must be available at the work site_ (14} Since DEQ is currently considering a modification to the effluent outfali noted in this application, no construction should commence on the outfalt structure unti4 DEQ approves the modifcation. The DEQ approved outfall design wilt be considered an acceptable modification of this authorization (This is not a condition of the authorization, but one. or~iwo digital pictures of the completed project sent to iervanFo~mt.gov , would be appreciated.} This authorization is valid for the period noted above only. No authorization is val'~d for more than cone-year period of time Any violations of the conditions of this autharizafion may be subject to an enforcement action pursuant to the applicable provisions of the Montana Water Quality Act. phis authorization is granted pursuant to 75-5-~~~ 8, MCA, and only applies to the activity described by your application. Any modification of the activity described in your application which may result in additional turf}tdity in the stream must receive prfior approval from. the Department.: You may contact me at {406) 444-4626 orleryanCc~mt:aoy . Sincerely, i9~~ ~' ----- Jeff an~/~~ Water Quality Specialist Water Protec#ion Bureau • • DEPARTMENT OP' THE ARMY CORPS Ofi ENGINEERS, OMAHA DISTRICT BILLINGS REGULATORY OFFICE 2642 FIRP05 OFFICE B RTH~ROOM 309 ~~ ~ ~'~ ~ ~ ~• ~ ~ ~ j,N ~ t~ BILLINGS MT 59103 O .July 15, 2008 Billings Regulatory Gffice Phone: {406) 65 7-5910' Fax: (406} b~7-59i 1 RE: Bozeman Wastewater Treatment Plant Facr3ities Upb •ade Cazps File No. NWO-2U07-339-NTTB City of'Bozeman Attn: Tom Adams 255 Mass Bridge Road Bozeman, Montana 59 718 Dear Mr' Adams: We have reviewed the 1Vlontana joint application submitted on your behalf by Morrison Maier•le, Inc.. for Department of the Army authorization to construct a stoimwater drainage outlet into East Citron Creek and to construct an effluent outfall structure and two storm pipes tetrninating at the East Gallatin Riven. The proj ect is located in Section 26, Township 1 South, Range 5 East, in Gallatin County, Montana . • Specifically, you requested to do the following work: 1.. At Site 1, a drainage Swale will be constructed to terminate into East Caftan Creek. The swale will be reinforced with riprap at the confiuenee with East Citron Creek. Approximately 0.,001 acres of fringe wetland and 12. linear feet of bank wr`ll be impacted. by this portion of'the project. 2.. At Site 2, an 1 &-inch RCP stormwatei drain pipe, a l2-inch RCP stormwater drain pipe, and an effluent outlet structure terminating at the Fast Gallatin River wFl be installed• 'The amount of stream bank impacts associated with this work w~l be appz•oxin3ately 130 linear feet. No wetlands will be impacted. 3 • Areas that are disturbed by the construction activities will be revegetatedwith asite-appropriate perennial grass seed miz. 4 . At the request of'Montana Fish, Wildlife, and Pazlcs, disturbance of'a mature willow located near the 12-inch RCP storm drain pipe outfall will be avoided during construction. Under the authority of Section 404 of the Clean Water Act, Department of the Army permits are required fos• the discharge of fill material into waters of the United States. Waters of the United States inchrde the area below the ordinary high water mark of stream channels and lakes or ponds connected to the tributary system, and wetlands adjacent to these waters. Isolated waters and wetlands, as well as man- madechannels and ditches, maybe waters of the United States, which must be determined on a case-•by- casebasis. The Corps has prepared a preliminary jurisdictional detemrination (TD} far the site, which is a written indication that waterways and wetlands within yoru• project area maybe waters of'the United States., These waters were treated as jurisdictional waters of the U.S . for the purposes of dete„r,;,,;ng r~ ~J Prkxed ai ~ tzecydea Paves -2- • project impacts and compensatory mitigation requirements . If you agree with the Endings of the enclosed preiiuunary .TD, please sigu it and return it to the letterhead address within two weeks.. If' you believe. the preliminary .TD is inaccurate, you may request this of~.ce complete an approved .TD prior to your commencement of any workin a Water. of the U S . An approved :TD is an official determination regarding the presence or absence of Waters of the U..S . Completion of an approved :TD may require coordination with the U..S.. Environmental Protection Agency. If'you do not want the Corps to complete an approved TD, you may proceed with the proposed project in accordance arith the terms and condi#ions of Department of'the Army Nationwide Permit No . 39 found in theMarch 12, 2007 Federal Register (72 FR 11092), Reissuance of'Nationwide Permits. Enclosed is a fact sheet that fully describes this Nationwide Permit and lists the General and Regional Conditions that must be complied with In addition to conditions referenced above, the following Special Conditions apply: 1. Perform all in-channel work during peziods of low flow or in the dry. Z.. Completely z emove all waste material generated by the project or encountered dur~tng construction to a suitable upland disposal site. 3. .All ez•osion and sediment control practices shall be in place gzioz• to arry grading or frllrng operations axrd installation of'proposed sixuetnz•es» They shall remain in place and maintained ux-td construction is completed and the area is stabilized, Although an Individual Department of the Army permit involvuig a public interest review will • not be required for the groject, this does not eliminate the requirement that you obtain any other applicable Federal, state, tnbal, and local permits as required, The Montana Depar~ent of Environmental Quality has issued water quality certification forthis Nationwide Permit (see General Condition 21 on the enclosed fact sheet).. However, this does not eliminate. the need to obtain other permits that may be required by that agenc}r_ In accordance with the terms and conditions of'the Nationwide Perot, yair are responsible for• all work accomplished, If' a coritractor• or other authorized represexttative will be accomplishing the work authorized by the Nationwide Permit on your behalf, it is strongly recommended. that they be provided a copy of this letter and the attached conditions so that they are aware of'the.ltmi#ations of the applicable Nationwide Permit. Arty activity that fails to comply with all of the terms and conditions of~the Nationwide Permit will be considered unauthorized and subject to appropriate enforcement action. Incompliance with General Condition 2b of the :fact sheet, the attached Compliance Certification form must be signed and returned to this office upon completion of'the authorized work and any required mitigation. This verification wr1l be valid until duly 15, 2010 Should you at anytime became aware that either an endangered andlor threatened species or its critical habitat exists within the project area, you must immediately notify this office. Printed m ~ He~,yded paper • • -3- Ifyou have any questions concerning this determination, please contact Cathy 7uhas at (40~ 657-5910 and reference Corps File No. NWO 2007-339-MTB. Sincerely, AIlan Steinle _ Montana Program Manages Enclosures: Preliminaay .3uiisdictionaI Deterrmimation NW 39 Fact Sheet with Regional Conditions Compliance Certification Copies Ftunished, without enclosures: Morrison Maierle, Inc . Attn: Steve Laufenbeig Post Office Box 1113 Bozeman,-Montana 59771 Pr(nted on ~ ReeycNd Paper • • • O Z [L W J ~~ zo ~ 0 Fa ~ 2 Q ZO rGG]jj ~ O ~ W ¢~ o H Q z ~ " J ~ W 2Q2O C Q q 7 0¢ r ~ O 7 z .~ Z o ~ U aul ¢S Z ~ F- ~ O {1~ _ U ~ O O ~~ ~U ym .O ~ ltl °'' 1 ~,~.~ .~. ~ () J O z ~ . 4' ? LLW W =~ 47 ~+j9 Ll w J~ O 0 N^,~ ra X11 ~ ~m+ ~Ny W O~-+ y z w w I ~ ~ U O o a w ~ ~ w ~ a ~ ¢ z ~ w a o t os' ~ ~ ~ Y ~ w ? .~ m~ o Z y p ~ a ~ w ~ ~ LL ~ W gw } ao = a o W y ~ ~ w a ~ a p ~~ ~ ~ ~ a U ~ n ~ ~ p ~ w p jt n z r w Q rn a > N ~ ~ z rn a~ w ~ a ~ z v z ~ u~ o N o 4 E ~ I I 1 u ~ x m n- r ~ ] y 4~t - a~ ~~ o ~ ~S f ~ ~ ~LLO O q~q~~~~rpr $& ~~3 ~ N ~ a Loooo4 .u O m TT T W U U 2 O F N X o N ~ G? a ~r~ ~V ~ ~ W -v 8 ` ° ~~ i ra __ ~ - A z A m a ~ i m ~ r`~~ z 0 €j U W N y I ~ x x ~cl -e~ ~~~a * ~ ~ ~~ ~~ ~ ~ ~x ~' 9~ ~~~ U ~ ~ ~~ ~ ~~ ! ~~i • /1 u -4 •• • COMPLIANCE CERTIFICATION Permit Number: NWO-2007-339-MTB Name of Permittee: City of Bozeman County. Gallatin Date: July 15, 2008 Corps Project Manages: Cathy Juhas Upon completion of the activity authorized. by this permit and any mitigation required by the permit, sign this certification and retarn it to the following address: US Army Corps of Engineers Helena Regulatory Office 10 West 15~' Str•eet, Suite 2200 Helena, MT 59526 • Please note that your permitted. activity is sabject to a compliance inspection by a U .S ..Army Corps of'Engineets representative.. Tf'you fail to comply with the conditions of~this permit, you aze subject - to permit suspension, modification, or revocation• Y hereby certify that the work authorized by the above referenced permit has been completed in accordance with the teams and coalitions of'the said permit, and required mitigation was completed in accordance with the permit conditions . Signature of Perrnittee Date • Pria-W «,~ ae~ydee~ • SECTION 07190 UNDER SLAB VAPOR RETARDER PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Under slab vapor retarder. B. Related Sections include but are not necessarily limited to: 1. Division 0 -Bidding Requirements, Contract Forms, and Conditions of the Contract. 2. Division 1 -General Requirements. 3. Division 3 -Concrete. 1.2 QUALITY ASSURANCE A. Referenced Standards: 1. ASTM International (ASTM): a. D882; Standard Test Method for Tensile Properties of Thin Plastic Sheeting. b. D 1709, Standard Test Methods for Impact Resistance of Plastic Film by the Free- Falling Dart Method. c. E96, Standard Test Methods for Water Vapor Transmission of Materials. d. E1643, Standard Practice for Installation of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs. e. E1745, Standard Specification for Water Vapor Retarders Used in Contact with Soil or • Granular Fill under Concrete Slabs. 1.3 SUBMITTALS A. Shop Drawings: 1. See Section 01340 for requirements for the mechanics and administration of the submittal process. 2. Product technical data including: ' a. Acknowledgement that products submitted meet requirements of standards referenced. b. Manufacturer's installation instructions. B. Miscellaneous Submittals: Manufacturer's recommendation on vapor retarder tape. C. Samples: Provide 6 IN x 6 IN sample of vapor retarder material and vapor retarder tape. PART 2 - PRODUCTS 2.1 ACCEPTABLE MANUFACTURERS A. Subject to compliance with the Contract Documents, the following manufacturers are acceptable: 1. Vapor retarder: a. Fortifiber Corporation. b. Raven. c. WR Meadows, Inc. B. Submit request for substitution in accordance with Specification Section 01640, 2.2 MATERIALS • A. Vapor Retarder: Polyolefin film or reinforced polyethylene or new generation resin. 00...60746 Bozeman WRF Phase 1 Improvements Project 8/28!2008 07190 - 1 B. Vapor Retarder Tape: As recommended by vapor retarder manufacturers. 2.3 ACCESSORIES • A. Pipe Boots: Manufacturer's standard boot fabricated to maintain the integrity of the vapor retarder system. 2.4 FABRICATION A. Vapor Retarder: 1. ASTM E1745, Class A, minimum 15 mil thickness. 2. Water vapor permeance: 0.03 maximum per ASTM E96. 3. Puncture resistance: ASTM D1709, Method B, 2200 grams. 4. Minimum tensile strength: 45 LBS/IN, ASTM D882. B. Vapor Retarder Tape: As recommended by vapor retarder manufacturer. PART 3 - EXECUTION 3.1 INSTALLATION A. Install products in accordance with manufacturer's instructions and ASTM E1643. B. Place continuous vapor retarder above granular fill subgrade material where indicated on the Drawings. C. Lap vapor retarder 3 IN at ends and edges of sheets and seal- with tape. D. Extend to extremities of area, turn up at perimeter to form bond breaker between slab and wall. 1. Tape in place. 2. Do not turn up at perimeter if slab is keyed into perimeter wall. • E. Provide pipe boot for all pipes penetrating the floor slab. F. 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PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-01 EPA STAG PROJECT NO. XP-97834301-0 LETTER OF TRANSMITTAL SUBJECT: Addendum No. 2 Dear Bidding Document Holders and Prospective Bidders: H'DR ENGlN~ERlNG, INC • Please find enclosed Addendum No. 2 for the City of Bozeman WRF Phase 1 Improvements Project. Acknowledge receipt of this addendum by signing and dating the space provided in the Bid Form. Please note the .addendum contains attachments for new specifications, new Sheets, Sheet modifications and. supplemental specification attachments to be incorporated into the Contract Documents. Please contact our office if you have any questions. Sincerely, ~] MORRISON-MAIERLE, iNC. ____~ James Nickelson, PE cc: Dan Harmon, HDR Engineering, Inc. Tom Adams/Bob Murray, City of Bozeman • N:\2105\054\Bidding Docs\Addendum No 2Wddendum Letter No. 2.doc Providing resources in partnership with clients to achieve their goals. • ADDENDUM N0.2 CITY OF BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-01 EPA STAG PROJECT NO. XP-97834301-0 HDR Engineering, Inc. Morrison Maierle, Inc. 1715 South Reserve St., Suite C 2880 Technology Blvd. West Missoula, MT 59801 Bozeman, MT 59718 Phone: (406) 532-2232 Phone: (406) 587-0721 PART 1-GENERAL 1.01 SCOPE A. This addendum forms a part of the Bidding and Contract Documents and modifies the Project Manual as described below. B. This Addendum consists of 26 pages and the following attachments: 1. Trojan i1V Proposal 2. Sheet OOOOC07 modifications 3. Sheet OOOOCI4 modifications • 4. Sheet OOOOC 15 modifications 5. Sheet OOOOC 19 modifications 6. Sheet 0202E01 modifications 7. Sheet 0203A01 modifications 8. Sheet 0203A03 modifications 9. Sheet 0203E01 modifications 10. Sheet 0203E04 modifications 11. Sheet 0601 D03 addition: RAS No. 2 Wet Well Cover Detail. 12. Sheet 1100E05 modifications 13. Sheet 1100E19 modifications 14. Replacement Sheet 1300A21. 15. Sheet 1400E 14 modifications 16. Replacement Sheet 1500Y45 17. New Specification Section 11078 -Top-Opening In-Line Sludge Grinders. 18. New Specification Section 02705 19. Addendum 1, Geotechnical Evaluation, Administration Building, Proposed Wastewater Treatment Plant Expansion, Bozeman, Montana 20. NESHAP Inspection for Asbestos-Containing Materials 21. Existing Substructure Drain Drawing -1981 Substructure Drain System Drawing 22. Sheet 1300M07 modifications 23. Replacement Sheet 1600502 • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - I 1.02 ACKNOWLEDGEMENT A. All bidders are required to base their bid upon the information furnished in this Addendum, and acknowledge receipt of this Addendum by signing and dating in the space provided in the Bid Form. PART 2 -PROJECT MANUAL 2.01 DIVISION 0 -BIDDING DOCUMENTS A. Section 00020 -Invitation to Bid 1. To Section 00020, delete the first paragraph in its entirety and replace with the following: i. "Separate sealed bids for the construction of the Bozeman Water Reclamation Facility (WRF) Phase 1 Improvements will be received by the City of Bozeman, Montana at the Office of the City Clerk, 121 North Rouse Avenue, Bozeman, Montana 59715 unti12:00 P.M. local time on October 1, 2008. Following receipt of bids, the received bid documents will be transported to the Large Meeting Room of the Bozeman City Library at 626 East Main Street, Bozeman, Montana. Bid opening will occur at the City Library at approximately 2:15 P.M. local time." B. Section 00100 -Instructions to Bidders 1. To Section 00100, Article 13.13, delete second required form "Certification of Nonsegregated Facilites" from the Contract Documents. • 2. To Section 00100, Article 29.02, add an additional sentence to read as follows: i. "Each Bidder shall submit the completed DBE forms 6100-3 and 6100-4 with their bid in accordance with Section 00301 and Section 00811." C. Section 00200 -Soil Investigation Data 1. To Section 00200, insert the attached "Addendum 1, Geotechnical Evaluation, Administration Building, Proposed Wastewater Treatment Plant Expansion, Bozeman, Montana" to the end of Section 00200. . D. Section 00301-Bid Form 1. To Section 00301, delete address of bid submittal and replace with the following: i. "HONORABLE MAYOR AND CITY COMMISSION ATTN: CITY CLERK CITY OF BOZEMAN, MONTANA 121 NORTH ROUSE AVE BOZEMAN, MT 59715" 2. To Section 00301, Article 7.Ol.E, delete the paragraph in its entirety, and replace with the following new paragraph: i. "E. EPA Forms 6100-3 and 6100-4, as appended to Section 00811." 3. To Section 00301, Article 4-Bid Item Description, Bid Item No. 7: UV Disinfection System, add the following to the end of the paragraph: • (10...60746 Bozeman WRF Phase I Improvements Project 9/18/2008 Addendum No: 2 - 2 • i. "Contractor shall use the Trojan Proposal for Bozeman, MT Quote LJLR1234F equipment price of $505,500 included at the end of Section 11377 for the cost of equipment supply in the following Bid Proposal Sheet. Contractor shall include their cost for equipment installation in addition to this equipment price." E. Section 00480 -Information Required of Bidders 1. To Section 00480, Article D, paragraph one, delete, "projects completed within the last five years," and replace with: i. "projects completed within the last ten years," F. Section 00810 -Supplementary.: General Conditions to the. General Conditions 1. To Section 008,10, Article SC-13.07.A., change the first sentence to read: i. "A. If within two years after the date of Substantial Completion..." 2. To Section 00810, add Article SC-13.07.E to read as follows: i. "F. The correction period (i.e. Warranty) addressed under this Article SC-13.07 shall run through two (2) years after the date of Substantial Completion." 2.02 DIVISION 1 -GENERAL REQUIREMENTS A. Section 01010 -Summary of Work 1. To Section 01010, Article 1.S.B.I.a, delete the sentence and replace with the following language: • i. "a. Relocate the existing waste gas burner unit. The new waste gas burner and associated piping (4-DG and 2-NG) must be completed, as shown on Drawings OOOOC07, 0800D01, and 0800D02, prior to decommissioning of the existing waste gas burner. A single 8-hour shutdown of the 4-DG will be allowed for construction of the new waste gas burner 4-DG pipeline to the DG system. Isolation of the DG pipeline can be accomplished in the ground level of the existing Digester Complex No. 1." 2. To Section 01010, Article 1.S.B.I.f, add a new sentence to the end of the paragraph with the following language: i. "For bypass pumping, Contractor can expect the Average Daily Flow to Peak Hourly Flow to range between 5.8 MGD to 13.9 MGD." 3. To Section 01010,. add a new paragraph 1.S.B.1.K to read: i. "K. Contractor shall protect the existing Headworks, site trees and 30- PEpipeline throughout construction of the new Headworks. Contractor shall provide all necessary shoring for protection of existing structures and trees from damage in accordance with Section 02200. The Contractor will be allowed to commission the new. Headworks facility without 101-ERV-O1 and101-ERV-02 in operation, provided a temporary continuous ventilation. fan is provided to ventilate the influent channel and new Headworks Building while installation of the ERV's is completed. The temporary ventilation system shall meet the following minimum requirements: • 1. Fan Air Flow: 4,000 CFM. 2. Fan Static Pressure: 3 IN total. 00:..60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 3 3. Fan Hp: 5. The temporary ventilation fan shall be connected to the 28" diameter • exhaust duct." 4. To Section 01010, Article 1.S.B.2.c, renumber item number 7) to number 8) and add a new number 7} with the following language: i. "7) Temporarily re-route the three 2-CL existing pipelines which feed chlorine to the RAS chlorination at the,Blower Building/Chlorine Contact Basin/DAFT Building to allow excavation for the UFAT Pump Station until the UV system is operational at which time the lines can be capped and abandoned. Temporary pipe shall be double contained schedule 80 PVC. A single 1-hour shutdown will be allowed." 5. To Section 01010, Article 1.S.B.S.b., delete the last two sentences of this paragraph and replace with the following: i. "...for introduction of testing water to the basins. The Contractor shall install a temporary, PVC Schedule 40, 10-DEW pipeline from the existing Blower Building to the 36-PE tie-in to enable connection of the plant underdrain pumping system to the PE pipeline. This will enable pumping of groundwater to the new Primary Effluent Pumping Station (PEPS) for treatment process train testing. This will also enable the need for shutdown of Brioreactor No. 1 to complete the underdrain force main modifications." 6. To Section 01010, Article 1.S.B.7, add the following at the end of the first paragraph in the Article to read as follows: i. "During shutdown of the Secondary Clarifier No. 4, the Contractor shall • install the new 301-SG-O1 and 36-ML into the Bioreactor No. 1 effluent split box at this same time. Installation of 301-SG-Ol will enable isolation of the Bioreactor No. 1 effluent split box from the new Secondary Clarifier Split Structure during subsequent project phases." 7. To Section 01010, Article 1.S.B.7.a, delete the paragraph and replace with the following: i. " a. The modifications to the underdrain pumping station and Blower Building sump pumping system may commence immediately following Notice to Proceed. The 10-DEW will be installed within the existing Bioreactor No. l; in the influent channel that is no longer used for directing influent flow to the Bioreactor cells. Flows are now introduced into the two basins on the east. side of the Bioreactor No. 1 (Cells No. 1 starts in the Northeast corner and they are numbered No. 1 through No. 4 in a clockwise fashion) while operating in the Phase nitrification/denitrification mode. The temporary underdrain pump force main noted in Article 1.S.B.S.b. above will need to be completed prior to startup and commissioning the new PEPS, Bioreactors and Secondary Clarifier facilities: The temporary modifications to the underdrain pumping force main will not require a shutdown of Cell No. 2 of Bioreactor No. 1 for completion of the temporary piping modifications. A single 8-hour shutdown will be allowed for completion of the Blower Building sump discharge modifications. The Contractor shall • 00...60746 Bozeman WRF Phase I Improvements Project 9/18!2008 Addendum No. 2 - 4 • provide for temporary pumping of the sump flows during this shutdown." B. Section 01062 -Major Equipment Suppliers 1. To Section 01062, Article 1.4, Table A, delete reference to "Fokoku Koyogo Company, LTD" and replace with the following: i. "FKC Co., Ltd." 2.03 DIVISION 2 -SITE WORK A. Section 02072 -Demolition, Cutting and Patching 1. To Section 02072, Article 1.1.D, add a new paragraph 1.1.D.9 to read: i. "9. Known asbestos cement pipelines on-site include the following: a) 24-RAS adjacent to Blower Building b) 30-PI from the existing Headworks Building c) 30-BYP from existing Primary Clarifiers No. 1 and No. 2 d) 36- PE from the Secondary Clarifiers to the Chlorine Contact Channel and after the Chlorine Contact Channel." 2. To Section 02072, Article 1.l .D, add a new paragraph 1.l .D.10 to read as follows: i. "10. Perform all work on site in accordance with Appendix D - NESHAP Regulated Asbestos Containing Materials Guidance of the "NESHAP Inspection for Asbestos-Containing Materials"report prepared by Environmental Solutions, LLC and inserted at the end of this Section. • This includes removal of the asbestos containing roofing material on the RAS No. 1 Building." 3. To Section 02072, add the attached "NESHAP Inspection for Asbestos- Containing Materials" report to the end of the Section. B. Section 02200 -Earthwork 1. To Section 02200, Article 3.2, add a new paragraph E to read as follows: i. "E. At the proposed Administration/Laboratory Building, as shown on Drawing Series 1300 and included in Bid Item No. 8, Contractor shall be responsible for subexcavation of all organic lean clay and inorganic lean clay below the Administration/Laboratory Building foundation and floors. and replacement with granular fill. Subexcavation activities shall be performed in accordance with the recommendations presented in the attached "Addendum 1, Geotechnical Evaluation, Administration Building, Proposed Wastewater Treatment Plant Expansion, Bozeman, Montana", completed by SK Geotechnical, September 2; 2008." 2. To Section 02200, Article 3.5, add a new paragraph 3.S.C. to read as follows: i. "C. Existing Substructure Drain System: 1. The existing substructure drain system is shown on the attached as- built drawing from the 1981 WWTP Improvements Project. 2. By providing the attached substructure drain system drawings, the City does not claim an impact will be realized on adjacent properties • as a result of this system operating. The Contractor shall design and 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18!2008 Addendum No. 2 - 5 install their own dewatering system for the new project process units and yard piping." 3. To Section 02200, Article 3.7.A, delete the first sentence of the paragraph and replace with the following: i. "A. Install and maintain shoring, sheeting, bracing and sloping necessary to support the side of the excavation, to keep and to prevent any movement which may damage adjacent pavements, pipelines, utilities, channels, trees (specifically near the existing Headworks Building and existing 30-PI pipeline), or structures, damage or delay work, or endanger life and health." 4. To Section 02200, insert the attached "Existing Substructure Drain Drawing -1981 Substructure Drain System Drawing" at the end of Section 02200. C. Section 02705 -Bore and Jack Crossings 1. To Section 02705, add new attached Specification Section 02705 to the contract documents. 2.04 DIVISION 5 -METALS A. Section 05120 -Structural Steel 1. To Section 05120, Article 1.2.B.l.a, delete the sentence in its entirety from the Contract Documents. 2. To Section 05120, Article 1.2.B.2.a, delete the sentence in its entirety from the Contract Documents. B. Section 05505 -Metal Fabrications To Section 05505, add a new Article 3.4 SCHEDULE to read as follows: i. " 3.4 SCHEDULE A. Unless otherwise noted on the Drawings, all fabricated stairs shall be constructed with galvanized steel (GALV S) stringers and supports with aluminum stair treads. B. Unless otherwise noted on the Drawings, all grating shall be constructed with aluminum." 2.05 DIVISION 6 -WOOD AND PLASTICS A. Section 06610 -Fiberglass Reinforced Plastic Fabrications 1. To Section 06610, Article 1:1.A, add the following language: i. " 2. Fiberglass reinforced plastic flume lining." 2. To Section 06610 Article 2.3, add paragraph with the following language: i. "E. Parshall Flume: 1. Acceptable manufacturers: a) Plasti-Fab, Inc. b) Free Flow, Inc. 2. Materials: a) Flume: Fiberglass reinforced polyester. b) Cross brace: Fiberglass. 3. Design and fabrication: • • 00...60746 Bozeman WRF Phase I Improvements Project 9/18/2008 Addendum No. 2 - 6 • a) Molded one-piece construction. b) Wall thickness: 5/16 IN. c) Smooth gel-coat finish on wetted surfaces. d) Integral reinforcing ribs. e) Dimensions: Per U.S. Department of the Interior Water Measurement Manual, latest revision. f) Minimum of four top cross braces: 4 IN x 4 IN x '/a IN angle. g) Head gage: (1) Mount on sidewall at Ha position. (Inlet head measurement point per U.S. Department of the Interior Measurement Manual.) (2) Markings: (a) Inches, tenths of inches, gpm and mgd. (b) 3/8 IN high characters. (3) Scale protected from fluid by smooth clear fiberglass laminate. (4) Smooth and flush with sidewall. (5) Head gage for determining whether submerged flow conditions exist shall be mounted at the Hb position in throat of flume as specified in the Water Measurement Manual. (a) Same side as Ha gage. (b) Same elevation as Ha gage. • (c) Elevation markings only. h) Anchor clips: (1) Permanently attached to exterior sidewall, midway up side. i) Removable block to prevent distortion during shipment and installation. j) Self supporting. k) Designed for grouted-in installation in channel with no additional internal or external supports. 1) Inlet and outlet transition pieces with calking collar. 4. Schedule: UV Building, Flow Range 1-32 MGD, ultrasonic level element monitoring. 2.06 DIVISION 7 -THERMAL AND MOISTURE PROTECTION A. Section 07550 -Elastomeric Roof Deck Coating 1. To Section 07550, Article 1.1.A.2, delete line and replace with the following language: i. "Liquid applied surfacing for cast-in-place concrete roof slab for the UFAT Pump Building, the precast topping slab roofs for the Primary Effluent Pumping Station and RAS/WAS Station No. 2, and the top of Digester No. 3." 2.07 DIVISION 9 -FINISHES A. Section 09512 -Acoustical Materials • 1. To Section 09512,. Article 3.2.A, add line 2 with the following language: 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 7 " 2. Administration/Lab Building: a) Conference/Training Room 1311 b) Kitchen/Conference Room 1312 2.08 DIVISION 10 -SPECIALTIES A. Section 10200 -Louvers and Vents 1. To Section 10200, Article 2.2.F, modify the louver schedule as follows: i. Change the dimension of .1200-LVR-01 to 42 IN x 42 IN. ii. Change the dimension of 1200-LVR-02 to 42 IN x 42 IN. iii. Change the dimension of 1200-LVR-10 to 64 IN x 64 IN. iv. Change the dimension of 1200-LVR-11 to 64 IN x 64 IN. 2.09 DIVISION 11-EQUIPMENT A. Section 11060 -Pumping Equipment: Basic Requirements 1. To Section 11060, Article 1.2.C, delete the paragraph and replace with the following: i. "C. For variable speed pumping applications, the pump manufacturer will coordinate the application of their equipment with the variable frequency drives supplied." B. Section 11065 -Pumping Equipment: Sump 1. To Section 11065, Article 2.S.F.2, delete line in its entirety and replace with the following language: i. "To be supplied by the Manufacturer." • C. Section 11068.-Pumping Equipment: Vortex (Torque Flow) 1. To Section 11068, Article 2.1.A.1., delete paragraph b. in its entirety and replace with a new paragraph b. to read as follows: i. "b. Fairbanks Morse (Vortex)." D. Section 11072 -Pumping Equipment: Vertical Turbine (Line Shaft) 1. To Section 11072, Article 1.3.D, delete the first sentence in its entirety and replace with the following: i. "D. The vertical turbine pump manufacturer is responsible for coordinating the operation of their pumps, equipped with variable frequency drives (VFDs) as provided under Section 16265, with the control system provided by others." E. Section 11073 -Pumping Equipment: Propeller (Recirculation) I. To Section 11073, Article 2.2.A.1, delete the sentence in its entirety and replace with the following: i. "1. Pump Shaft: Series 416 or 420 Stainless Steel, ASTM A582 (416); or Steel AISI 4340." 2. To Section 11073, Article 2.2.A.6.c, add the sentence with the following: i. "c. Or, dual silicon carbine." 3. To Section 11073, Article 2.2.B.3, delete sentence in its entirety from the Contract Documents. F. Section 11074 -Pumping Equipment: Positive Displacement (Lobe) • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 8 • 1. To Section 11074, Article 2.3.C.h, delete the sentence in its entirety and replace with the following: i. "h. Electric constant speed." 2. To Section 11074,. Article 2.2.A.S.a, delete "urethane" and replace with: i. "Buna-N". G. Section 11078 -Sludge Grinders 1. To Section 11078, delete the Section 11078 in its entirety and replace with the attached specification Section 11078. 2. Amend name to be: "Section 11078 -Top-Opening In-line Sludge Grinders". H. Section 11081- High Speed Turbo Aeration Blower 1. To Section 11081, Article 1.4.A., Guaranteed Wire Power Table, delete Design Point 4 from the Contract Documents. I. Section 11120 -Fermentation Mechanism 1. To Section 11120, Article 2.4, add paragraph with the following language: i. "K. Weirs and Baffles: 1. Effluent weirs: FRP or 316 stainless steel. 2. Angle brackets: Steel, ASTM A36. 3. Scum baffles: FRP." J. Section 11125 -Secondary Clarifier Mechanism 1. To Section 11125, delete Article 11125.2.6.K.7.b in its entirety. K. Section 11365 -Screw Press System • 1. To Section 11365, Article 1.1.A, shift item numbers 5, 6, and 7 to 6, 7, and 8, and add item number 5 with the following language: i. "5. Two (2) thickened sludge hoppers with level sensor. a) 1200-T-O1, 1200-T-02." 2. To Section 11365, Article 1.4.2.a, add the following language to the paragraph: i. "Stabilization is to be performed simultaneously within: the screw press, with lime addition. prior to dewatering." 3. To Section 11365, Article 2.2.A, add the following item and description: "Thickened Sludge Hopper. Number of Units: 2 Volume: 800. gal Construction: See Sheet 1100S21" L. Section 11377 -UV Light Disinfection Equipment 1. To Section 11377, Article 1.1.E.2, delete line and replace with-the following language: i. " 2. Two (2) maintenance racks with castors. 2. To Section 11377, insert Article 1.7 with the following language: i. "1.7 WARRANTY A. Equipment Warranty 1. Manufacturer to warrant the equipment specified herein • to be free of defects in workmanship and materials for a period of: 00...60746 Bozeman WRF Phase i Improvements Project 9/18!2008 Addendum No. 2 - 9 a. Twelve (12) months from date that equipment is put into full-scale operation or eighteen (18) months • from delivery, whichever comes first. Specified test periods are not included for determining start date. b. Manufacturer to provide written guarantee to replace defective workmanship and/or materials as .defined per the "Warranty" sub-section." 3. To Section 11377, add the attached Trojan Proposal for Bozeman, MT Quote: LJLR1234F to the end of the specification section. M. Section 11610 -Laboratory Fume Hoods 1. To Section 11610, Article 2.4.A.10.b.8, delete line in its entirety. N. Section 11948 -Aeration Basin Mixers 1. To Section 11948, Article 2.2.B, delete the sentence in its entirety and replace with the following: i. "B. Impeller Shaft: Series 420 Stainless Steel, or Steel AISI 4340." 2. To Section 11948, Article 2.4.D.1, delete the sentence in its entirety and replace with the following: i. "1. Mier shafts shall be Series 420 Stainless Steel or Steel AISI 4340." 3. To Section 11948, Article 2.4.x.5, delete the paragraph from the Contract Documents. O. Section 11980 -Compressed Air System 1. To Section 11980, Article 2.2.A.l.a, delete line in its entirety and replace with the following language: • i. "Reciprocating air compressor: One (1). 2. To Section 11980, Article 2.2.B.l.a, delete line in its entirety and replace with the following language: i. "Capacity: 101 acfm at 125 psig at 4,600 FT elevation. 3. To Section 11980, Article 2.2.D.3, delete line in its entirety, renumber the lines following. 4. To Section 11980, Article 2.4.A.3, delete line in its entirety and replace with the following language: i. "Dryer capacity shall be based upon inlet air at 100 psig, 100 percent relative humidity, 100 DegF ambient temperature with a maximum of 5 psi maximum pressure loss across the unit." 2.10 DIVISION 12 -FURNISHINGS A. Section 12346 -Laboratory Casework 1. To Section 12346, Article 2.3, add paragraph K: i. "K. Canopy Hoods (CH): 1. U.S. standardl8-gauge mild steel construction. 2. Fabricated in length and width as shown on Drawings. 3. Continuous drip gutter with condensate drain to nipple for '/4 IN diameter plastic tubing to nearest drain. 4. Interior baffle with single slot around bottom periphery for 100 FPM slot face velocity from remotely located motor/blower. 00:..60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 -10 5. Fluorescent light fixture with integral switch and compatible 1/TS lamps (8-Watt and/or 15-Watt). a. Mount end-to-end on baffle bottom. b. 120-volt. c. Manufacturer: Alco "Little Inch", or Equal. 6. Chemical-resistant (epoxy coat) finish inside and outside. 7. Color: As selected by Engineer." B. Section 12500 -Window Treatment 1. To Section 12500, Article 1.1, add paragraph with the following language: i. "C. Schedule: 1. Administration Building Rooms: a) All offices: Rooms 1304, 1305, 1306, 1318. b) Laboratory: Room 1315. c) Control Room: Room 1314. d) Conference Room: Room 1311. 2.11 DIVISION 13 -SPECIAL CONSTRUCTION A. Section 13081 Noise Control 1. To Section 13081, Article 1.1.A.1, delete paragraph in its entirety and replace with the following: i. "1. Acoustical panels: a) Digester Control Building No. 2: • (1) Cogeneration and Boiler Room 1101 (2) Gas Scrubber Room 1111" B. Section 13231 -Odor Containment Covers: Structural Frame Type 1. To Section 13231, Article 2.3.D.2, delete the sentence and replace with the following language: i. "Live load: The uniform live load shall be 40 psf." C. Section 13235 -Clarifier Launder Covers 1. To Section 13235, Article 1.1.A.1, delete line and replace with the following language: i. "Clarifier launder covers with integral scum trough cover for Secondary. Clarifiers No. 4, No. 5 and No. 6." 2. To Section 13235, Article 2.3.A, append the paragraph with the following language: i. "A cover shall also be provided for the existing Clarifier No. 4 of equal dimensions to the new Clarifier No. 5 and No. 6." 3. To Section 13235, Article 2.3.B.1, append-the paragraph to include: i. "The Cover shall be designed to open away from the operator and toward the center of the tank. Each cover segment shall consist of a fixed mounting section and a cover section fastened together by a continuous hinge. The mounting section fastens to the weir wall with stainless steel brackets, and extends inward to a point just inside the scum baffle. The • cover section arches over the weir and trough and shall open toward the center of the tank to provide access to the trough and weir for inspection (}0...60746 Bozeman WRF Phase I Improvements Project 9/18/2008 Addendum No. 2 - 1 I and maintenance. When closed, the cover section rests on a support flange mounted to the inner wall of the tank. A latch mechanism shall be provided to secure the cover section to the support flange in the closed position for safety and security. Covers with cleanout doors or inspection hatches are not acceptable." D. Section 13441 -Control Loop Descriptions 1. To Section 13441, Article 3.1.E.1.e, delete line in its entirety and replace with the following language: i. "Local Control of the grit basin drive is through the Hand/Off/Auto switch located in the Headworks MCC." 2. To Section 13441, Article 3.1.E.S.a, delete line in its entirety, renumber b. to a., and c. to b. 3. To Section 13441, Article 3.1.F.1.f, delete line in its entirety and replace with the following language: i. "Local control panel of the grit. pump is through the Hand/Off/Auto switch located in the Headworks MCC." 4. To Section 13441, Article. 3.1.G.4.a, delete line in its entirety and replace with the following language: i. "See Specification Section 11068 for a description of local control panels furnished by grit washer manufacturer." 5. To Section 13441, Article 3.10.L.3, Equipment Schedule Table, delete the equipment numbers for the Grease Pumps and replace with the following: i. "1100-GRSP-Ol, -02" E. Section 13442 -Primary Elements and Transmitters 1. To Section 13442, Article 2.2.E.4, delete 300-FE/FIT-OS pipe size 28 IN and replace with: i. " 24 IN". 2. To Section 13442, Article 2.3.E.4, delete diaphragm seals: 102-PE-O1, 102- PE-02, 204-PE-03 and 204-PE-04. F. Section 13448 -Control Panels and Enclosures 1. To Section 13448, Article 3.3.A, add new row with the following information: "i. TAG NUMBER: 1100-LCP-02. ii. LOCATION: Digester. Control Building 2 iii. TYPE: NEMA 4X iv. MATERIAL: Fiberglass v. LATCH: Quarter-Turn vi. DRAWING: 1500Y45" • G. 'Section 13500 -Programmable Logic Controller (PLC} Control System 1. To Section 13500, add new Article 1.3.A.3.d. to read as follows: i. "d. PLC ControlLogix controller firmware revision number." 2. To Section 13500, Attachment. B, add four new rows-with the following information: • 00...60746 Bozeman WRF Phase 1 Improvements Project. 9/18/2008 Addendum No. 2 -12 } n GG • 1 1100-LCP- 1100-LCP-02 Grease and HSW Truck Unloading Panel Tank Levels AI 2 01 -- 1100-LCP- 1100-LCP-02 Grease and HSW Truck Unloading Panel High High Level DO 2 01 - 1100-LCP- 1100-LCP-02 Grease and HSW Truck Unloading Panel Horn DO 1 01 - 1100-LCP- 1100-LCP-02 Grease and HSW Truck Unloading Panel Horn Silence DI 1 01 -- 2.12 DIVISI ON 15 -MECHANICAL A. Section 15060 -Pipe and Pipe Fittings: Basic Requirements 1. To Section 15060, Article 3.12.A.2.a, delete line and replace with: i. "Pipe size 3 IN through 54 IN". 2. To Section 15060, Article 3.12.A.2.a.3, Insert new paragraph with the following language: i. " 3) Exposed service: a) Materials:. Ductile iron, Class 52. b) Reference: AWWA/ANSI C151/ A21.51. c) Lining: Cement. d) Coating: Bituminous. e) Fittings: (1) Either AWWA/ANSI Cl 10/A21.10 ductile or gray iron. • (2) Optional: AWWA/ANSI C153/A21.53 ductile iron compact fittings for sizes 3 IN to 16 IN. f) Joints: Push-on joints with mechanical (stuffing box type) joints at fittings and valves." 3. To Section 15060, Article 3.12.A.1.a.3), change the reference to read: i. " 3) PE- Primary Effluent (From Primary Clarifiers to the Primary Effluent Pumping Station)." 4. To Section 15060, Article 3.12.A.2.a.4, Insert new paragraph with the following language: i. "4) Alternative Exposed service: a) Material: Steel; fabricated pipe. b) Reference: AWWA C200. c) Lining: Cement. d) Coating: Paint. e) Fittings: AWWA C208. f) Joints: Butt-welded with rigid AWWA C207 flanges or grooved couplings at all equipment, valves, structure penetrations, and locations shown on Drawings." 5. To Section 15060, Article 3.12.B.1.a, add lines with the following language: i. "RAS -Recycle Activated Sludge." ii. "IPS -In Plant Sewer." 6. To Section 15060, Article 3.12.B.2, insert paragraph with the following language: • i. "b. Pipe size smaller than 3 IN. 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 13 - » !~ 1.) Exposed and buried service: a.) Materials: Steel, galvanized. Schedule 40 if threaded.. If grooved type, use pipe thickness per AWWA C606. b.) Linings: Galvanized pipe. c.) Coatings: Paint exposed, Bituminous buried. d.) Fittings: Malleable iron, galvanized meeting ANSI B16.3, ASTM A234. e.) Joints: Threaded." 7. To Section 15060, Article 3.12.B.1.a., add a new paragraph 12) to read: i. "12) PE -Primary Effluent (from the Primary Effluent Pumping Station to the Bioreactors No. 2 and No. 3 Influent Flow Split Box." 8. To Section 15060, Article 3.12.B.2.a.3).f)., modify the paragraph to read as follows: i. "f) Restrained push-rubber gasket joint with joint restraint (at valves and building connections only) provided using mechanical gripping edge joint restraint, MegaLug Series 1100, or equal." 9. To Section 15060, Article 3.12.C.1.a, delete line 10 and replace with the following language: i. "FSC -Fermenter Scum." 10. To Section 15060, Article 3.12.C.2.a.l.c, delete line and replace with the following language: i. "Lining: Cement: DSL, EW, SPT, TDS, TSN. 11. To Section 15060, Article 3.12.C.2.a.1.d, delete line and replace with the • following language: i. "Lining: Glass: DS, FPS, FSN, GRT, PSC, PSD, PSL, SDS, TPS, TWAS, TWAS/TDS, WAS, WFS, SST, SSM, HSW, GRS, FSC. 12. To Section 15060, Article 3.12.F.1.a, insert line with the following language: i. "RO- Reverse Osmosis." 13. To Section 15060, Article 3.12.F.1.c.1, delete line and replace with the following language: i. "Viton for CON, DW, RO, SAM." 14. To Section 15060, Article 3.12.K.2.2.a, delete line and replace with the following language: i. "Exposed service and buried service outside of channels and tankage:" B. Section 15100 -Valves-Basic Requirements 1. To Section 15100, Article 3.2.A, delete size for 204-CV-Ol and replace with: i. " 24 IN" 2. To Section 15100, Article 3.2.A, delete size for 204-CV-02 and replace with: i. " 30 IN". 3. To Section 15100, Article 3.2.A, delete size for 204-CV-03 and replace with: i. " 30 IN". • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 14 • 4. To Section 15100, Article 3.2.A, delete valve 601-CV-03 and 601-CV-04 in their entirety. C. Section 15101 -Gate Valves 1. To Section 15101, Article 2.3.A, delete line and replace with the following language: i. "A. Single Disc Gate Valves, 14 to 48 IN:" D. Section 15103 -Butterfly Valves 1. To Section 15103, Article 2.3, change reference number to Article 2.4. 2. To Section 15103, add Article 2.3, with the following language: i. " 2.3 BUTTERFLY VALVES (MSS SP-67) A. Comply with MSS SP-67. B. Materials: 1. Valve bodies: a. Wafer body: Cast iron ASTM A126, Class B. b. Lug body: Ductile iron, ASTM A395. 2. Valve shaft or stem: a. Stainless steel, ASTM A276, Type 316. 3: Valve disc: a. Ductile iron, ASTM A395, nickel plated. 4. Valve seat: a. Water and air below 180 DegF: Buna-N b. Water and air 180 to 250 DegF: EPDM. • c. Valve seat shall be a full body seat isolating steam and body from flow. C. Design Requirements: 1. Exposed and submerged valves 3IN through 20 IN. a. Body type: Wafer. b. Working pressure: Rated for 150 psi. c. Equip with fully tapped anchor lugs drilled per ASME B16.5 2. Exposed and submerged valves 24 IN and larger: a. Body type: Short body flange. b. Working pressure: Rated for 150 psi." E. Section 15114 -Miscellaneous Valves 1. To Section 15114, Article 2.2.E, delete line and replace with the following language: i. "Combination Air Release and Vacuum Valve (601-ARV-O1, 601-ARV- 02)." F. Section 15115 -Water Control Gates 1. To Section 15115, Article 3.1, Water Control Gates Equipment Schedule, delete equipment number 900-STG-03 from the Control Documents. 2. To Section 15115, Article 3.1, Water Control Gates Equipment Schedule, add equipment number 300-SDG-O1 with the following requirements to the • Contract Documents: 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18!2008 Addendum No. 2 - IS i. "301-SDG-O1 Slide FM 36"x36" 10/10 SC HCF, NRS CN No Aluminum" • G. Section 15440 -Plumbing Fixtures and Equipment: 1. To Section 15440, Article 2.l .A, insert new paragraph 2.1.A.16. to read as follows: i. "16. Basket Strainer: a. Hayward. b. Or equal. 2. To Section 15440, Article 2. l.A, insert new paragraph 2.l .A.17. to read as follows: i. "17. Indirect-Fired Water Heater: a. Weil-McLain b. Or equal. 3. To Section 15440, Article 2:2, insert new paragraph 2.2.W. to read as follows: i. "W. Basket Strainer (101-STR-O1): 1. Hayward Model 72 Simplex, or equal. 2. Quick open cover. 3. Heavy wall construction. 4. Large capacity basket. 5. Machined basket seat. 6. Flanged. 7. Perforated stainless basket. a) 1/32 IN perforations. • 8. Material: Iron. 9. .Seals: Buna N. 10. Size: 3 IN." 4. To Section 15440, Article 2.2, insert new paragraph 2.2.X. to read as follows: i. "X. Indirect-Fired Water Heater (101-HWH-O1): 1. Weil-McLain model Ultra-Plus 80, or equal. 2. 1St Hour Rating: a) 115 DegF: 176. GPH. b) 140 DegF: 140 GPH. 3. Boiler to heater piping: a) Size: 1IN. b) Capacity: 6.6 GPM. 4. Capacity: a) Domestic Water: 56 GAL. b) Boiler Water: 8 GAL. 5.. Heating surface: 24 SF. 6. Headloss, boiler side: 1.5 FT. 7. Circulator: 20 GPM." H. Section 15515 -Hydronic Specialties 1. To Section 15515, Article 3.3.B, modify table to include the following new • valve: 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 -16 i. "1300-TCV-12, 1300-CHL-O1, 3-Way, 3" I. Section 15685 -Absorption Chiller 1. To Section 15685, Article 1.1.C, add new line 8. to read as follows: i. "8. Entering hot water temperature: 165 DegF." 2. To Section 15685, Article 2.7.A, delete designation, "1300-TCV-11" and replace with the following: i. "1300-TCV-12". 3. To Section 15685, Article 2.7.A., add two new paragraphs with the following language: i. "5. Modulating control: Valve position shall modulate based on chilled water return temperature transmitter. As the return water temperature rises, the hot water temperature setpoint would also rise." ii. "6. Provide power and control to the valve from the chiller control panel." 4. To Section 15685, add new Article 2.12 with the following language: i. "2.12 PUMP CONTROL A. Pumps 1300-NPWP-O1, 1300-NPWP-02, 1300-NPWP-03, and 1300-HLP-03 shall be started and stopped from the chiller control panel. B. Provide contacts as required to accomplish pump control from chiller. J. Section 15970 -Instrumentation and Control for HVAC Systems • 1. To Section 15970, Article 1.3.U.1, delete reference to "1300-TCV-11" and replace with the following: i. "1300-TCV-12". 2. To Section 15970, Article 1.3.U.l.e., delete reference to "1300-TCV-11" and replace with the following: i. "1300-TCV-12". 3. To Section 15970, Article 2.2.D.2, Valve Operator Table delete reference to "1300-TCV-11" and replace with the following: i. "1300-TCV-12". 2.13 DIVISION 16 -ELECTRICAL A. Section 16265 -Variable Frequency Drives -Low Voltage 1. To Section 16265, Article 2.2.D, insert paragraph 2.2.D.10. to read as follows: i. "10. Variable frequency drives for Non-Potable Water Pump 300- NPWP-02: a) Driven equipment: (1) Non-clog centrifugal. (2) Maximum motor speed: 3600 rpm b) Torque requirement: (1} Variable. c) Minimum rating: • (1) 40 amperes continuous. (2) 460 volts. 00...60746 Bozeman WRF Phase i Improvements Project Addendum No. 2 -17 9!18!2008 d) Quantity of VFD's: One. e) Separately-mounted input line reactor on top of MCC-AB, ~ '. adjacent (Below) to existing NPWP-O1 VFD Drive." PART 3 -PROJECT DRAWINGS 3.01 SHEET OOOOGI S A. To Door Schedule, delete doors D-1112A and D-1116A from the Schedule. B. To Louver Schedule, modify the schedule as follows: 1. Change the dimension of 1200-LVR-O1 to "42 IN x 42 IN". 2. Change the dimension of 1200-LVR-02 to "42 IN x 42 IN". 3. Change the dimension of 1200-LVR-l0 to "64 IN x 64 IN". 4. Change the dimension of 1200-LVR-11 to "64 IN x 64 IN". 3.02 SHEET OOOOGI8 A. To Curb Mounted Dome Skylight Detail 4, add a note to read: "The perimeter angle framing members shall be 4"x4"x3/8"." 3.03 SHEET OOOOCOS A. To Key Note 11, change slope from Gas Building to Sediment Trap from "1%" to " 2%" 3.04 SHEET OOOOC06 • A. Include a second yard hydrant with hose bib and rack for the Bioreactors No. 2 and No. 3 in accordance with 0302D02 and 0303D01. 3.05 SHEET OOOOC07 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.06 SHEET OOOOCI4 A. Modify the drawing included with the contract documents as shown on the revised drawing. attached to this Addendum No. 2. 3.07 SHEET OOOOCIS A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.08 SHEET OOOOCI9 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.09 SHEET OOOOC24 A. To Section A, change the slope arrow on the 4-DG pipeline to point toward the • BPRV units and flame trap assembly. 00...60746 Bozeman WRF Phase 1 hnprovements Project 9/18/2008 Addendum No. 2 - 18 • B. To Section A, change Key Note 2 to read as follows: 1. " 2. Maintain positive slope on 4-DG from Control Building or Digester Complex No. 2 to vault at minimum 2% slope." 3.10 SHEET OOOOC30 A. Modify the drawing to use Cotoneaster Hedge (Cotoneaster lucidus) in place of the Caragana Hedge (Caragana aborescens) listed in the Plant Table. 3.11 SHEET OOOOC31 A. Modify the drawing to use Cotoneaster Hedge (Cotoneaster lucidus) in place of the Caragana Hedge (Caragana aborescens) listed in the Plant Table. 3.12 SHEET O100D02 A. Add a 4 IN floor drain pipeline from FD-1 (just below 102-GP-Ol), label as 4-D, and route to drainage sump. 3.13 SHEET O100D07 A. To Section A, change the pipeline size callout on the Detail 1/- to read: 1. "12" C.O.". 3.14 SHEET O100S01 A. To Key Note 10, add the following language to the end of key note: • 1. "Concrete embedment liner shall be installed for the entire length of the Headworks Channels. 3.15 SHEET O100SO4 A. To Section D, Concrete embedment liner (Key Note 1) is needed to be installed in the Grit Unit basins from elevation 4605.73 to 4613.3. The embedment liner shall be deleted below elevation 4605.73 and on the floor surfaces as shown. 3.16 SHEET 0200D02 A. To Section C, delete the following callout "Joint Sealant Reqd Per Det 03311- 08" and replace with the following: 1. "sawcut'/4 IN x'/2 IN deep CJ in topping slab at perimeter of lower sawcut slab. Caulk upper 1/4 IN sawcut in accordance with Section 07900," 3.17 SHEET 0202D01 A. Add Key Note 1 to read as follows: 1. "Pre-Manufactured roof system shown for fermenter is conceptual. See Sheet 0202502 for general orientation of trusses and location of hatches. Truss design and layout shall be determined by roof system manufacturer and submitted for shop drawing approval in accordance with Specification Section 13231." • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 -19 I 3.18 SHEET 0202E01 A. Modify the drawing included with the contract documents as shown on the • revised drawing attached to this Addendum No. 2. 3.19 SHEET 0203D02 A. To Piping Section A- Upper Room- Delete equipment note with the following text, "Davit Crane With Adjustable Jib. Flush Mount Base." and replace with the following: 1. "Provide Flush Mount Base for Use with Davit Crane Specified In Section 11948. Davit Crane Not Supplied." B. Delete pipe tag " 2-D" replace with the following: 1. " 2-DFM". 3.20 SHEET 0203A01 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.21 SHEET 0203A03 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.22 SHEET 0203 S02 A. To Details F, G, and J, delete the detail callouts L/0203503 and M/0203S03 and • replace with a new detail callout to read: 1. "6/1300A16 (similar)". 3.23 SHEET 0203503 A. To Details L and M, delete the block walls from the floor level TOC above and replace with a concrete sill wall with reinforcement similar to Detail 6/1300AI6. Add reinforcement callouts similar to Detail 6/1300A16. 3.24 SHEET 0203E01 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.25 SHEET 0203E04 A. Modify the drawing included with the contract documents as shown on the .revised drawing attached to this Addendum No. 2. 3.26 SHEET 0204D01 A. Delete detail number "13442-21" on callout in sheet location B5; replace with the following: 1. "15060-08". • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 20 ;^ • B. Delete detail number "15060-12" on callout in sheet location B3, replace with the following: 1. "15060-10", label as "FC-1". C. Add Key Note 7, "No p-trap is required". Place reference to Key Note 7, on all floor drains, FD-2. D. Delete detail number "15440-03" and replace with the following: 1. "15100-OS". E. To Primary Effluent Pumping Station Plan, add a note with leader pointing to the 204-TS-O1 located at sheet location A7 to read: 1. "Telescoping Valve. See Section 15114." 3.27 SHEET 0204D03 A. To Section E, change Key Note 2 to read: 1. " 2. Install telescoping valve. See Section 15114 for valve specification." B. Delete Key Note 5 and replace with the following language: 1. "Install equipment pad in preparation for future pump. Bolt 1/4" thick galvanized checker plate steel cover over vacant hole in accordance with Detail 05505-10." 3.28 SHEET 0204D05 A. Delete pipe tag "6-D" and replace with "6-PSL". • 3.29 SHEET 0300D03 A. Delete notes referencing the valve tag, "12-BFV" and replace with: 1. "12-PV". 3.30 SHEET 0300E01 A. To Existing MCC-AB Front Elevation, add an existing VFD attached to the left side of the MCC at approximately eye level. The VFD is a stand-alone unit with mounting directly to the exterior MCC cabinet. B. To Existing MCC-AB Front Elevation, add a new separately mounted VFD drive to serve new 300-NPWP-02 (see Sheet 0301D01 for pump location). Install the new VFD on the side of the MCC-AB at a level just below the existing VFD drive with appropriate code clearance. The new VFD shall meet requirements specified in Specification Section 16265. G To Existing MCC-AB, add a new 50 Amp breaker to supply power to the new VFD, with the same short circuit rating as the existing breakers. Contractor shall filed determine new location of circuit breaker. Existing MCC-AB is a Cutler- Hammer Unitrol, with Serial Number 6LF9088147-D, 600 Amp Horizontal Bus with 25 KAIC rating. 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18!2008 Addendum No. 2 - 21 3.31 SHEET 0300E02 A. To Power and Instrumentation Plan, add control raceways type J2 and C8 from • existing LCP 300 with homerun designation to 300-NPWP-02 in the lower level of the Blower Building. Existing spare PLC I/O points shall be used in control panel LCP300 for the control of 300-VFD-02 for 300-NPWP-02. Coordinate with Engineer prior to preparing submittal wiring diagrams to determine the specific PLC UO points to be used: B. To Power and Instrumentation Plan, add power raceway from the 50 Amp, 3 pole breaker in existing MCC-AB to VFD line reactor and 300-VFD-02 with a type P4 raceway. Install shielded VFD cable for the installation. From the 300- VFD-02, add a type P4 raceway with homerun extending to 300-NPWP-02 in the lower level of the Blower Building. See Sheet 0301D01 for the location of 300- NPWP-02 and see Sheet 1400E11 for raceway types and conduit and cable schedule. 3.32 SHEET 0301D01 A. Add slide gate 301-SDG-O1 to be installed in the Bioreactor No. 1 effluent split box on the face of the new 36-ML pipe which extends from the Secondary Split Structure located at coordinate D/3. B. Locate Keynote 1 on the 24" LPA line pipe supports, delete Keynote 1 and replace with the following language: 1. "Provide pipe support every 10', see Section D/300D02 for detail of pipe supports." • 3.33 SHEET 0302D05 A. In sheet location B1, delete Keynote 3 call out next to the 302-FE/FIT-07. 3.34 SHEET 0302505 A. To Section A, delete waterstop from left most wall separating two water holding tanks. 3.35 SHEET 0303D01 A. Add valve tag, " 20-BFV," to butterfly valve on the westernmost end of 20"LPA prior to blind flange. 3.36 SHEET 0303D02 A. Delete 36-ML pipe tag. Extend 42-ML west of structure to 10 FT passed structure, blind flange. 3.37 SHEET 0303501 A. Key Note 3, provide provision for future construction along entire length of the footing slab and all wall intersections. • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 22 3.38 SHEET 0601D01 A. To RAS/WAS Station No. 2 Process Plan- sheet location C4, change the SSM pipeline size on the discharge from the Secondary Scum Pump 601-SCP-Ol from 2 %2" to 3". B. To Section B- sheet locations A-B8, change the SSM pipeline size on the discharge from the Secondary Scum Pump 601-SCP-O1 from 2 %2" to 3". 3.39 SHEET 0601D02 A. To Section E- sheet location C6, change the SSM pipeline size on the discharge from the Secondary Scum Pump 601-SCP-Ol from 2'/2" to 3". B. To Section F- sheet location B6 and A-B6, change the SSM pipeline size on the discharge from the Secondary Scum Pump 601-SCP-O1 from 2'/z" to 3". 3.40 SHEET 0601 D03 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. Add R.AS No. 2 Wet Well Cover Detail 1 to sheet. • 3.41 SHEET 0602503 A. To Sections A, D and F, change the top of concrete for the clarifier weir wall at each section from "TOC EL = 4609.44" to "TOC EL= 4609.36." 3.42 SHEET 1100D03 A. To Key Note 1 1, change key note to read as follows: 1. "Slope 4-DG at 2% from Gas Building to sediment trap located at waste gas burner." 3.43 SHEET 1100D07 A. In sheet location D4, delete reference to "SSxHDPE transition". 3.44 SHEET 1100D09 A. To Sections E and G, add a 1-D equipment drain on the suction of 1100-DP-01 and 1100-DP-02. Add a note with reference to Standard Detail "15060-10, (Similar)" and leader pointing to the equipment drains. 3.45 SHEET 1100D13 A. To Section D, add the centerline to the 8-DOF pipeline to read: 1. "EL 4636.00". 3.46 SHEET 1100506 A. Add Key Note 7 pointing to the screw press dewatered cake hopper floor opening located at coordinate C/7 with the following text: 00...60746 Bozeman WRF Phase. l Improvements Project Addendum No. 2 - 23 9/I 8/2008 1. "7) Cover future screw press dewatered cake hopper floor opening with a • fabricated 1/4 IN thick x 1'-6" x 5'-0" (verified by screw press manufacturer) SST checkered plate per Standard Detail 05505-10. 3.47 SHEET 1100S21 A. Add General Note 4 with the following language: 1. "4. Dewatered Cake Hopper and Thickened Sludge Hopper shall be fabricated in accordance with Section 05505." B. Add General Note 5 with the following language: 1. "5. Thickened Sludge Hoppers 1200-T-Ol and 1200-T-02 shall be provided by manufacturer of equipment specified in Section 11365." 3.48 SHEET 1100522 A. Add General Note 5 with the following language: 1. "5. Grease Tank shall be fabricated in accordance with Section 05505." B. To Key Note 2, change reference from "Section 09915" to "Section 09905". 3.49 SHEET 1100E05 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.50 SHEET 1100E13 A. Delete 5 horsepower for pumps 1100-DP-07 and 1100-DP-08 in the one-line • diagram and replace with the following: 1. "1.1 HP". 3.51 SHEET 1100E19 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.52 SHEET 1300A21 A. Delete sheet in its entirety and replace with new sheet attached. 3.53 SHEET 1300M07 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.54 1300M10 A. Modify Temperature Control Valves table to include the following new valve: 1. "1300-TCV-12, 1300-CHL-O1, 91.6, 63.9, 3-WAY". B. Modify In-line Pumps table to include the following new pump: 1. "1300-HLP-03,.91.6, 8, -, .1750, 0.33, 120/l, HW". • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 -24 • 3.55 SHEET 1400E14 A. Modify the drawing included with the contract documents as shown on the revised drawing attached to this Addendum No. 2. 3.56 SHEET 1400E16 A. To Fixture D: 1. Delete Catalog number and replace with the following language: i. "PTA-175PM-MT-A-25C-P". 2. Delete description and replace with the following language: i. "PTA PETROLUX II, HID METAL HALIDE LIGHTING FIXTURE WITH INTEGRAL PULSE START BALLAST, GASKETED AND UL LISTED FOR WET LOCATIONS. INTEGRAL PHOTO CONTROL, STANCHION MOUNT, MULTI-VOLTAGE BALLAST, CLOSED BOTTOM REFLECTOR." B. To Fixture P: 1. Delete Catalog number and replace with the following language: i. "PETE-lODMH-MT-25C-SA" 2. Delete description and replace with the following language: i. "PETROLUX HID WITH INTEGRAL BALLAST ENCLOSED AND GASKETED FOR WET LOCATIONS, INTEGRAL PHOTO-CELL, STANCHION MOUNT, MULTITAP, HIGH POWER FACTOR AND • HIGH EFFICIENCY BALLAST, CLOSED BOTTOM REFLECTOR." 3. Delete lamp and replace with the following language: I. "100 WATT METAL HALIDE." 3.57 SHEET 1400E28 A. To Top Center Plan View: 1. Change equipment tag number "1100-DP-04" to "1100-DP-09". 2. Change power panel number "900-PP-03" to "900-PP-02". 3. Move location of 1100-DP-09 and 900-PP-02 on top of associated pump located in sump next to 1200-AIT-03. 3.58 SHEET 1500Y01 A. Remove control panel 300-LCP-02 (shown to be at RAS Station No. 1) from the drawing. 3.59 SHEET 1500Y19 A. At sheet location C8, change the SSM pipeline size on the discharge from the Secondary Scum Pump 601-SCP-O1 from 2 %" to 3". 3.60 SHEET 1500Y24 A. At sheet location C7, Scrubber and Compressor Package equipment are future items and are not included in this project. Change line type to dashed showing • these as future items. - - - - - B. Delete rotameters: 800 FI Ol, 800-FI-02, 800-FI 03, and 800 FI 04. 00...60746 Bozeman WRF Phase 1 Improvements Project 9/18/2008 Addendum No. 2 - 25 3.61 SHEET 1500Y27 A. To equipment items numbered 1200-RST-O1, 1200-RST-02, 1200-FL-Ol, 1200- • FL-O5, 1200-FL-06, 1200-T-O1, and 1200-T-02, change specification reference from "Section 11401" to "Section 11365". 3.62 SHEET 1500Y30 A. To the Main Drain Pumps, add 1-D equipment drains with isolation ball valves at the suction side of 1100-DP-O1 and 1100-DP-02. Locate the equipment drains between the isolation plug valves and the dewatering pumps. 3.63 SHEET 1500Y45 A. Delete sheet in its entirety and replace with new sheet attached to this Addendum No. 2. 3.64 SHEET 1600S01 A. To the sheet add the following: 1. "FABRICATED STAIRS FS 1 All fabricated stairs shall be constructed with galvanized steel (GALVS) stringers and supports with aluminum grating and stair treads." 3.65 SHEET 1600502 A. Delete Sheet 1600S02 in its entirety and replace with the attached replacement Sheet 1600502. • 3.66 STANDARD DETAIL 04050-03 A. Modify Standard Detai104050-03 as follows: 1. Jambs, corners and MCJ's reference Detail 2, same sheet. 2. Lintels reference Detail 1, same sheet. 3.67 STANDARD DETAIL 04050-07 A. Delete Standard Detai104050-07 in its entirety. B. Redirect any reference to Standard Detai104050-07 to Standard Detai104050-. 03. END OF ADDENDUM N0.2 • 00...60746 Bozeman WRF Phase I Improvements Project 9!18/2008 Addendum No. 2 - 26 • ..~~ . .. ... TROJAN UV3000 Pius PROPOSAL FOR BOZEMAN, MT QUOTE: LJLR1234F 8/29/2008 ~:.. gib: _... • The TrojanUV3000PIusT"' is operating in over 750 municipal wastewater plants around the world. Disinfecting over 7 billion gallons a day, the TrojanUV3000PIusT"' has become the reference standard in the industry. • ~ • ~ f ~ .~~~ .. TROJAN 1,lV3000 Pius September 17, 2008 In response to your request, we are pleased to provide the following TrojanUV3000PIusT"" proposal for the Bozeman project. The TrojanUV3000P1usT"" has been shown in over 750 installations to provide dependable performance, simplified maintenance, and superior electrical efficiency. As explained in this proposal, the system incorporates innovative features to reduce O&M costs, including variable output electronic ballasts to provide dimming capability and Trojan's revolutionary ActiCleanTM system -the industry's only online chemical and mechanical quartz sleeve cleaning system. All Trojan installations are supported by a global network of certified Service Representatives providing local service and support. ' Please do not hesitate to call us if you have any questions regarding this proposal. Thank you for the opportunity to quote the TrojanUV3000P1usT"' and we look forward to working with you on this project. With best regards, ~lUahvGa~a~ Allan Gates 3020 Gore- Road London, Ontario N5V 4T7 Canada (519) 457 - 3400 agates@trojanuv.com DESIGN CRITERIA BOZEMAN Local Representative: Mark Sampson WACCO (Water Control Corporation) 2460 West 26th Avenue, Suite 215C Denver, CO. 80211-5359 USA (303) 477-1970 c • Peak Design Flow: 16.9 US_MGD UV Transmittance: 65% (minimum) Total Suspended Solids: 15 mg/l (Maximum, grab sample) .Disinfection Limit: 252 a-coli per 100 ml, based on a 1 day Max of consecutive daily grab sam les • Bozeman - 2 - LJLR1234F 8/27/2008 '•.~.:' .. TROJAN U1P3000 Pius DESIGN SUMMARY QUOTE: LJLR1234F • • Based on the above design criteria, the TrolanUV3000PIusTM' proposed consists of: CHANNEL (Please reference Trojan layout drawings for d etails.) Number of Channels: 2 Approximate Channel Length Required: 30 ft Channel Width Based on Number of UV Modules: 36 in Channel Depth Recommended for UV Module Access: 62 in UV MODULES Total Number of Banks: 4 Number of Modules per Bank: 9 Number of Lamps per Module: 8 Total Number of UV Lamps: 192 Maximum Power Draw: 48 kW UV PANELS Power Distribution Center Quantity: 4 System Control Center Quantity: 1 MISCELLANEOUS EQUIPMENT Level Controller Quantity: 2 Type of Level Controller:. ALC Automatic Chemical /Mechanical Cleaning: Trojan ActiCleanT"" UV Module Lifting Device: Davit Crane with 2 bases Standard Spare Parts /Safety Equipment: (20) lamps, (20) sleeves, (8) ballasts, operator ki, channel reduction baffles, 2 maintenance racks, hotometer ELECTRICAL REQUIREMENTS 1. Each Power Distribution Center requires an electrical supply of one (1) 480 Volts, 3 phase, 4 wire (plus ground), 20.9 kVA. 2. The Hydraulic System Center requires an electrical power supply that is powered from the Power Distribution Center. 3. The System Control Center requires an electrical supply of one (1) 120 Volts, 1 phase, 2 wire .(plus ground), 15 Amps. 4. Electrical disconnects required per local code are not included in this proposal. Bozeman 8/27/2008 -3- LJLR1234F 1 •~ i-. TROJAN UV3000PLUs • COMMERCIAL INFORMATION Total Capital Cost: $505.,500 (US$) This price excludes any taxes that may be applicable and is valid for 90 days from the date of this letter. EQUIPMENT WARRANTEES 1. Trojan Technologies warrants all components of the system (excluding UV lamps) against faulty workmanship and materials for a period of 12 months from date of start-up or 18 months after shipment, which ever comes first. 2. UV lamps purchased are warranted for 12,000 hours of operation or 3 years from shipment, whichever comes first. The warranty is pro-rated after 9,000 hours of operation. 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Section Includes: 1. Top-opening, in-line mounted sludge grinders. 2. Equipment Schedule: a. Fermenter Sludge Grinder: 202-SG-O1. b. Thickener Sludge Grinder: 203-SG-O1. c. Digester Feed Grinder (Bid Item.No. 2): 1101-SG-03. d. Digester No. 3 Grinder (Bid Item No. 2): 1101-SG-O1. e. Grease Receiving Grinder (Bid Item No. 3): 1100-SG-OS. f. High Strength Waste Receiving Grinder (Bid Item No. 3): 1100-SG-06. B. Related Sections include but are not necessarily limited to: 1. Division 0 -Bidding Requirements, Contract Forms, and Conditions of the Contract. 2. Division 1 -General Requirements. 3. Section 11005 -Equipment: Basic Requirements. 1.2 QUALITY ASSURANCE A. Referenced Standards: 1. ASTM International (ASTM): • a. A536, Standard Specification for Ductile Iron Castings. 1.3 SUBMITTALS A. Shop Drawings: 1. See Section 01340 for requirements for the mechanics and administration of the submittal process. 2. See Section 11005. 3. Net weight of grinder only. 4. Net weight with baseplate and couplings. 5. Capacity versus percent solids and horsepower. 6. Rotative speed. B. Operation and Maintenance Manuals: 1. See Section 01340 for requirements for: a. T'he mechanics and administration of the submittal process. b. The content of Operation and Maintenance Manuals. 2. Equipment shall not be started until a manufacturer Operation and Maintenance manual has been submitted and approved. PART 2 - PRODUCTS 2.1 ACCEPTABLE MANUFACTURERS A. Subject to compliance with the Contract Documents, the following manufacturers are acceptable: 1. Sludge grinders: • a. Vogelsang. b. Boerger. 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 11078 - I c. Or approved equal. B. Submit request for substitution in accordance with Specification Section 01640. 2.2 MATERIALS A. Sludge Grinders: 1. Housing: Steel, SAE 1015 hot dipped galvanized 2. Shafts: Steel, AISI 4140, tensile strength 150,000 psi minimum 3. Cutting elements: Cast steel, AISI.4130, through hardened to 48-50 Rockwell C or Steel, XSOCrMoW9-1-1, hardened to 45 Rockwell C. 4. Bolts & Nuts: Type 304 stainless steel. 5, Cutter Screen: Hardox 550, through hardened to 550 brinell hardness 2.3 EQUIPMENT A. Performance and Configuration Requirements: 1. Grinders (202-SG-Ol) and (203-SG-O1): .... a. Capacity: 200 gpm at 3-8 percent solids. b. Pressure drop at specified capacity: 0.85 psi with clean water. c. Inlet/outlet size: 4 IN. d. Motor size: 5 HP, 460v, 3-phase. e. Maximum Operating pressure: 60 psig. f. Maximum Drive shaft speed: 180 rpm. g. Enclosure: Explosion Proof. 2. Grinder (1100-SG-01): a. Capacity: 400 gpm at 5 percent solids. b. Pressure drop at specified capacity: 0.85 psi with clean water. e:_ _ -Inlet/outlet size: 4-If*1: d. Motor size: 3 HP, 460v, 3-phase. e. Maximum Operating pressure: 30 psig. f. Maximum Drive shaft speed: 180 rpm. g. Enclosure: Explosion Proof. 3. Grinder (1101-SG-03): a. Capacity: 400 gpm at 5 percent solids. b. Pressure drop at specified capacity: 0.85 psi with clean water. c. Inlet/outlet size: 4 IN. d. Motor size: 7.5 (max) HP, 460v, 3-phase. e. Operating pressure: 30 psig. f. Drive shaft speed: 180 rpm. g. Enclosure: Explosion Proof. 4. Grinder (1100-SG-OS): a. Capacity: 400 gpm at 5 percent solids. b. Pressure drop at specified capacity: 0.85 psi with clean water. c. Inleboutlet size: 4 IN. d. Motor size: 7.5 HP (max), 460v, 3-phase. e. Maximum Operating pressure: 30 psig. f. Maximum Drive shaft speed: 180 rpm. g. Enclosure: Explosion Proof. 5. Grinder (1100-SG-06): a. Capacity: 400 gpm at 5 percent solids. b. Pressure drop at specified capacity: 0.85 psi with clean water. c. InletJoutlet size: 4 IN. d. Motor size: 7.5 HP (max), 460v, 3-phase. e. Maximum Operating pressure: 30 psig. f. Maximum Drive shaft speed: 180 rpm. • • 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 ~ '~ 11078 - 2 • g. Enclosure: Explosion Proof. 2.4 ACCESSORIES A. See Section 11005. B. Controls: - 1. Furnish and install locally mounted automatic control panel at location shown on Drawings and rated for area classification. 2. Include combination circuit breaker type controller with short circuit protection, overload relays, interior-mounted motor starter, and control transformer. 3. Panel shall include a main circuit breaker with externally mounted disconnect handle. 4. Utilize solid state electronics. 5. Furnish "run-off-auto" selector switch with lockout provision. a. Controls shall receive an external run contact, which will operate the grinder when the selector switch is in the auto position. 6. Provide reversing starters with thermal magnetic overloads. 7. Furnish dry contacts for remote indication of grinder running in forward and reverse direction and alarm condition. 8. Use current switch to indicate jam and initiate reversing of grinder. 9. If overload (jam) occurs momentarily reverses to clear obstruction and returns to forward direction. 10. If second overload occurs, repeat action as for first overload. 11. If third overload occurs within 30 seconds, unit reverses, shuts down, and alarm bell and light come on. 12. Provide power on, forward, reverse and alarm indicating lights. 13. Provide cover latch disengaged indicator light. • 14. Provide interlock with cover safety switch to prevent unit operation when cover is unlatched. 15. Provide elapsed time meter. 16. Provide fuse protection on all logic circuits. 17. Provide line transient protected to 1000 V. 18. Mount in wall-mounted enclosure, with integral 480v main disconnect, rated for area classification. 2.5 FABRICATION A. General: 1. Use single shaft design with all cutting elements mounted on the drive unit shaft. 2. Fabricate to start under loaded conditions. 3. Furnish with 125 LB flanges. 4. Design for horizontal in-line mounting with mounting frame to permit anchor bolting to housekeeping pad: 5. Design capability to operate continuously wet or dry. 6. Configure grinder to induce rotational effect in flow to encourage centrifugal separation of heary ojects. B. Cutting Assembly: 1. Matched cutter with minimum of four cutting blades and hardened cutter screen. 2. Cutter screen shall support the blades. 3. Screens shall be designed to be reversed to provide extended life. 4. Entire grinder capable of cutting in both forward and reverse direction. 5. Furnish flanged clean out and hinged top cover plate in grinder-body. 6. Reinforce cover plate to bear weight to the drive and cutter assembly. 7. Seal top opening with O-ring to sustain internal pressure of 30psig maximum. • C. Speed Reducer: 1. Electric motor operating through atwo-stage planetary gear. 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 11078 - 3 2. Concentric shaft 3. Service factor (minimum): 1.9. • 4. Load class: Heavy shock. 5. Grease filled for life. D. Seal Configuration: 1. Mechanical-type seal: a. On gear output shaft b. Reverse pressure principle. c. Non-metallic design. d. O-ring seal in hydraulic fluid bath. E. Automatic Cutting Control: 1. Cutter shall rotate on drive shaft. 2. Hold cutter in position against the screen by automatic tensioning device. 3. Keep blades tensioned using high pressure air over the top of the oil chamber a. Provide one air canister and one oil canister with pressure regulator between them. b. Provide pressure gauge for each canister. c. Provide pressure valve to add pressure via simple hand pump. 4. Blade adjustment for optimum cutting performance shall use hydraulic cylinder. 2.6 MAINTENANCE MATERIALS A. Extra Materials: 1. Furnish Owner the following total extra parts for a single shaft unit: a. All Cutting Surfaces: Two sets. b. Gaskets: Four sets. PART 3 - EXECUTION 3.1 INSTALLATION A. See Section 11005. B. Vertically and horizontally align, level, and plumb units to match piping interfaces as shown on Drawings. C. Exercise care in bolting flanged joints so that there is no restraining on the opposite end of pipe or fitting which would prevent uniform gasket pressure at connection or would cause unnecessary stresses to be transmitted to equipment flanges. D. Tighten flange bolts at uniform rate for uniform gasket compression. Provide tightening torque in accordance with manufacturer's recommendations. E. Support and match flange faces to uniform contact over their entire face area prior to installation of any bolt between the piping flange and equipment connecting flange. F. Permit piping connecting to equipment to freely move in directions parallel to longitudinal centerline when and while bolts in connection flange are tightened. G. Mount controller at locations shown on Drawings. 3.2 FIELD QUALITY CONTROL J A. Employ and pay for services of equipment manufacturer's field service representative(s) to: 1. Inspect equipment covered by these Specifications. 2. Supervise pre-startup adjustments and installation checks. 3. Conduct initial startup of equipment and perform operational checks. 4. Provide Owner written statement that manufacturer's equipment has been installed properly, started up, and is ready for operation by Owner's personnel. • 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 11078 - 4 • 5. Instruct Owner' personnel per Section 01650 for 4 HRS at jobsite on operation and maintenance of the grinder equipment. B. See Sections 11005 and 11060. END OF SECTION • • 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 11078 - 5 • SECTION 02705 BORE AND JACK CROSSINGS PART 1 - GENERAL 1.1 WORK INCLUDED A. The work to be done hereunder includes the furnishing of all labor, equipment, material, transportation, tools and appurtenances to install bore and jack road crossings or direct jacking road crossing for water main at the location identified on the Bid Sheet and on the Drawings. B. Area requiring boring and jacking for water main include: Springhill Road -new water main. 1.2 SCOPE OF WORK: A. The work to be done hereunder includes the furnishing of all labor, equipment, material, transportation, tools and appurtenances to install bore and jack road crossings for the water main at the location identified on the Bid Sheet and on the Drawings. 1.3 SU BMITTALS: A. The Contractor shall submit Shop Drawings for the following before beginning the bore and jack operation: 1. Steel Casing 2. Casing Chocks 3. Bore and Jack Schedule 4. Insertion Pit Diagram • 1.4 QUALITY ASSURANCE A. Safety: The Contractor shall be responsible for the complete safety and protection of all individuals and any public or private properties associated with the boring and jacking operations required for this work. It shall be the Contractor's responsibility to see that the work is done in conformance with all applicable MDT, federal, state, and local safety requirements. B. The Contractor shall give the Engineer a minimum of 4 working days advance notice of the start of an excavation or boring and jacking operations. C. All work shall be performed in the presence of the Engineer, unless the Engineer has granted prior approval to perform such work in its absence. D. The Contractor shall be solely responsible for the structural integrity and safety associated with his means, methods, design and installation of the boring and jacking work. PART 2 - PRODUCTS 2.1 CASING PIPE A. Casing pipe shall be steel as specified herein.- Casing pipe diameters shall be properly sized to allow installation of the carrier pipe with minimum inside diameters as listed below: Steel Casing Pipe Bore Location Carrier Pipe Nominal Diameter 8" Class 51 D.LP. AWWA C151 30 inches Springhill Road (Water) • 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 027015 -1 B. Steel Pipe. Steel casing pipe shall be smooth steel pipe, ASTM A53 Grade B, having minimum yield strength of 35,000 PSI with a minimum wall thickness of 0.375 IN for the 30 IN pipes. • Pipe thickness will be determined by the Contractor based on installation process and then approved by the Engineer. Ends shall be beveled for field butt welding, and joints shall be welded around the entire circumference and ground smooth. C. Casing Chocks: The casing chocks shall be two-piece stainless steel bands, minimum 8 IN width, with dielectric inner liners and polyethylene runners. Polyethylene runners shall be a minimum of l IN wide by 7 IN long. Casing chocks shall be of the center restrained or bottom restrained type as manufactured by PowerSeal Mode14810 or Advance Products & Systems Model SS18 Casing Spacers or Approved equal. D. End Seal: The end seals shall be a wrap around synthetic rubber skirt, minimum thickness 1/8 IN with pressure sensitive mastic strips to form a seal. The end seal shall be secured to the steel casing and the water pipes with stainless steel bands. End seal shall be Advance Products & Systems, Model AW or Approved equal. PART 3 - EXECUTION 3.1 GENERAL: A. The bore shall follow a straight, continuous alignment between construction pits and shall be lined with smooth steel casing as specified. The construction pits shall not be permitted to disturb wetland, road drainage ditches and/or road embankments and shall be supported in accordance with OSHA regulations. 3.2 BORE AND JACK INSTALLATION: A. The boring of the "tunnel" and jacking or direct jacking of the casing sections into position shall proceed in an orderly, continuous fashion. Each casing section shall be solidly butt welded to • the casing ahead to provide a single, continuous casing. B. Control of alignment and grade: The Contractor shall control. the application of the jacking pressure and excavation of materials as the casing advances to prevent the .casing from becoming earthbound or deviating from the required line and grade. The Contractor shall restrict the excavation of the materials to the least clearance necessary to prevent binding in order to avoid loss of ground and consequent settlement or possible damage to overlying structures. Laser control shall be used for both horizontal and vertical alignment. C. Water Mains: Plus or minus (0.5'±) in vertical alignment and plus or minus (0.5'±) in the horizontal alignment as measured at the receiving pit. 3.3 ROCK EXCAVATION: A. In the event that boring of the "tunnel" and/or jacking of the casing cannot proceed due to rock, the Contractor, at the direction of the Engineer, shall abandon the failed boring and relocate to a more suitable location selected by the Engineer. Abandonment of the failed boring shall include backfilling the boring and receiving pits. The Contractor will be paid for that portion of the tunnel bored and casing placed on lineal foot basis. 3.4 CARRIER PIPE: A. The D.I.P. water main shall be fitted with casing chocks at the midpoint of each length of water pipe and at a distance not greater than 18 IN from each side of a joint and at a distance not greater than 1 FT from each end of the casing. Each joint shall be made outside of the casing with the entire string of pipe being skidded (pushed). through the steel casing. B. The D.I.P. water main will be fitted with a bell restraint harness at each pipe joint before the pipe is skidded (pushed) through the steel casing pipe. The bell restraint harnesses shall be EBBA • Iron Inc., Series 1700, MegaLug® Harness for D.I.P. push on pipe or Engineer approved equal. 00...60746 Bozeman WRF Phase 1 Improvements Project _ Addendum No. 2 027015 - 2 C. After installation of the carrier pipe and before backfilling the construction pits, the wrap-around end seals shall be attached to the casing and carrier pipe. END OF SECTION • 00...60746 Bozeman WRF Phase 1 Improvements Project Addendum No. 2 027015 - 3 ~rl~ S GEOTECHNICAL • September 2, 2008 Mr. Craig E. Brawner, PE Morrison-Maierle, Inc. Via E-Mail: cbrawner@m-m.net Dear Mr. Brawner: Project 07-2295 Re: Addendum 1, Geotechnical Evaluation, Administration Building, Proposed Wastewater Treatment Plant Expansion, Bozeman, Montana We have completed Addendum 1 to the geotechnical evaluation for the above-referenced site in accordance with our Standard Agreement with your firm dated May 21, 2007. The purpose of the additional geotechnical evaluation was to evaluate which type of shallow foundation system should be used for the administration building. We also performed two additional soil borings for informational purposes only. Background • Twelve soil borings were performed for the original geotechnical evaluation and the results were presented in our geotechnical report dated January 28, 2008. The soil borings generally encountered a soil profile consisting of 1 to 2 feet of organic clay soil underlain by lean clay alluvium to depths ranging from 2 1/2 to 4 feet. Beneath the lean clay, the borings generally encountered coarse-grained alluvial deposits consisting of poorly graded gravel. The geotechnical report contained recommendations for deeper structures, shallow heavy structures, and shallow light structures. The primary difference between recommendations for the two types of shallow structures is that for heavier structures, it was our opinion subexcavation/replacement of the on-site lean clay should be performed, while light structures could be supported directly on the lean clay alluvium. The administration building was placed under the category of shallow, relatively heavy structures with continuous wall loads of 4 1/2 kips per foot and column loads of 80 kips. Results Four additional soil borings were performed to evaluate the soil conditions near the administration building. Furthermore, two soil borings were performed for informational purposes only. The locations of these borings are shown on the attached Boring Location Sketch. The soil borings performed for the administration building encountered two different soil profiles. Borings ST-14 and ST-15, performed at the northern building corners, encountered a soil profile • BILLINGS 2611 Gabef Road P.O. Box 80190 Billings, MT 59108-0190 ~-- P 406.652.3930 F 406.652.3944 skgeotechnical. com MI5SOULA 4041 Whippoorwill Drive P.O. Box 16123 Missoula, MT 598D8-6123 I-P 406.721.3391 F 406.721.6233 Morrison-Maierle, Inc. September 2, 2008 Project 07-2245 Page 2 consisting of organic lean clay to depths ranging from 6 to 6 1/2 feet underlain by inorganic lean clay to depths ranging from 9 to 9 1/2 feet. Poorly graded gravel with sand was encountered at depths ranging from 9 to 9 1/2 feet and continued to the borings' termination depths of 15 1/2 feet. Borings ST-13 and ST-16, performed at the southern building corners, encountered a soil profile consisting of organic lean clay to depths ranging from 4 1/2 to 6 1/2 feet and was underlain by poorly graded gravel with sand to the boring's termination depth of 10 1/2 feet in Boring ST-13 and IS 1/2 feet in Boring ST-16. Laboratory test results for tests performed on the inorganic lean clay alluvium encountered in Borings ST-14 and ST-15 can be found on the attached Log of Boring sheets. Analysis and Recommendations It is our opinion the organic lean clay encountered in all of the borings and the inorganic lean clay encountered in Borings ST-14 and ST-15 is unsuitable for support of foundations and floor slabs. The organic lean clays can decompose and consolidate, causing excessive settlement. The inorganic lean clay (encountered only on the northern half of the building) is rather soft, and if left in place, will result in a high risk of differential settlement across the building. For these reasons, we recommend all organic and inorganic clay be subexcavated and replaced from beneath the administration building. The geotechnical recommendations for the administration building, as addressed in our original geotechnical report dated January 28, 2008, should be followed. General • Thank you for using 5K Geotechnical. If you have any questions regarding this report, or require our • services during the construction phase of this project, please contact us at (406) 652-3930. Sincerely, ~q~'// ~f~d4/t'~/~,. Brett M. Warren, EI Staff Engineer ProfessiQpal.~ertification I hej ~~.i'~~ phis report was prepared under my d1t'e~~ttpervisidaand•~hat I am a duly Licensed Professional >~ttieerwide~tha'laly~ of the State of Montana. Pririe~~Yel~ical Engineer License ~Nixifitier 10798PE September 2, 2008 Attachments: Boring Location Sketch Descriptive Terminology Log of Boring Sheets ST-13 through ST-18 Consolidation/Swell Tests (2) • :~ o ~ C ..• ,, h ~ ti`~•N~ ~ • ~ • • Q ~ ~ .--i f Z • ~ N w o ~~ h ~ ~ ® ; _~ ~ h w.t ~ ~. N C A a ~~ .• ~ t a.. f i i~ { .. •..,. •~' ~ ~ j ! t ~ + ~ l°fi .~ _ ::~~ ~ ~~ ~ a ., t ~ ..,.. t !' F, a j`_.~^, f~ ~ i I~ o W a ~ ~ tt o >~waa o ,r 1 ~ ~ 't 4 ~ a ~d a N ;t~ ~C~ aid' .~ ! ~~ ~ til 1~ p~q ~ t i •! ~~ if f- i{ ~ ~~ ! ~ ;, ~ - l ~~~ r f ~~~~' .........~.............. r r~ ~' 1 ~', Rte' ~~~ ,~ .i`, ~.,a~ ~ .~ --, L .a C \ ~: `~ ' ~~~~ GEOTECHNICAL ~~~ Standard D 2487 Classification of Soils for Engineering Purposes V ~ ~ / (Unified Soil Classification System) Soil Classification Criteria for Assigning Group Symbols and Group Names Using Laboratory Tests n Group a S bol Group Name Gravels Clean Gravels Cu ? 4 and 1 < Cc 5 3 GW Well coded vel More than Less than 5% ° E < 4 and/or 1 > C > 3 C GP Poorly graded gravel r 50%of fines ° u Coarse- coarse Gravels with Fines classi as ML or MH GM Sil vel Grained fraction Fines Soils retained on More than 12% Fines classify as CL or CH GC Clayey gravel r, o, x More than No. 4 sieve fines ° 50% Sands Clean Sands Cu ? 6 and 1 <_ Cc 5 3 SW Well raded sand retained 50% or - Less than 5% ° Cu < 6 and/or I > Cc > 3 e SP Poorly graded sand' on No. more of fines 200 sieve coarse Sands with Fines classi as ML or MH SM Sil sand °' fraction Fines passes No. 4 More than 12% Fines classify as CL or CH SC Clayey sand °' n'' sieve fines ° Fi Silts and PI > 7 and plots on or above ~ " " CL K, L, M Lean clay ne- Inorganic A line Grained Clays pI < 4 or lots below "A" line ML Silt • SO11S 50% or Ltgllld Llmlt less than 50 Organic Liquid limit -oven dried < 0.75 OL K, L, M,N Or¢anic clav K 1 M O Liquid limit -not dried , , . GfgamC Sdt more th Silts and PI lots on or above "A" line CH Fat cla passes e No 200 Cla s y Inorganic pI lots below "A" line MH Elastic silt ' . sieve Liquid limit Or anto Li°uid limit -oven dried < 0.75 OH anic cla ' M ~ 50 or more g Li uid limit -not dried , Q ^ Or anic si1tK Highly Organic Soils o anfy organic matter, dark in color, and organic ~ pT Peat d o Based on the material passing the 3" (75 mm) sieve. a If field sample contained cobbles or boulders, or both, add "with cobbles or boulders, or both" to goup name. c Gravels with 5 to 12% fines require dual symbols GW-GM well-graded gravel with silt GW-GC well-graded gravel with clay GP-GM poorly graded gravel with silt GP-GC poorly graded gmvel with clay ° Sands with 5 to 12% fines require dual symbols. S W-SC well-graded sand with clay SP-SM poorly graded sand with silt SP-SC poorly graded sand with clay e Cu = Dso / DIo Cc = (Dw)~ / (Dlo x Dsol If soil contains ? 15% sand, add "with sand" to group F name. [f fines classify as CL-ML, use dual symbol GC-GM or ° SC-SM. ~o H 50 a x 0 40 z zo to 4 00 If fines are organic, add "with organic fines" to group name. ' If soil contains ? 15% gravel, add "with gravel" to group name. ' If Atterberg limits plot in hatched area, soil is a CL-ML, silty clay. K If soil contains 15 to 29% plus No. 200, add "with sand" or "with gravel", whichever is predominant. L If soil contains ? 30% plus No. 200 predominantly sand, add "sandy" to group name. M If soil contains ? 30% plus No: 200 predominantly gravel, add "gravelly" to group name. " PI ? 4 and plots on or above "A" line. ° PI < 4 or plots below "A" line: r PI plots on or above "A" line. Q PI plots below "A" line. / For classif itot ion of fine- oilrcd soils on ~~- mine ract Ion o worse-qrm / soi s. ~ Egllotionof A -line ~ Horiiontol of PI-4 to LL~25.5, ` ~~~ ~ ~~ then PI-0.731L1-201 o p Equation ot'U°-lilx YerticolofLL=16toPI=7 ~ ~ then Pl=0.9 (LL-lIl /~ G ~ i ~ i ~ ~' MH ~ + OH ~' G~ - MLa+OL 1 14 16 20 30 40 SO 60 70 BO 90 IW LIOUID lIM1T tL1I sw. a vwnelry tulvt Laboratory Tests DD Dry density, pcf OC Organic content, WD Wet density, pcf PZm % passing 200 sieve LL Liquid limit PL Plastic limit PI Plasticity index MC Natural moisture content, qu Unconfined compressive strength, psf qp Pocket penetrometer strength, tsf Descriptive Terminology ~~ Particle Size Identification Boulders .... ...............................over 12" Cobbles ..... .............................. 3" to 12" Gravel coarse ...... .............................3/4" to 30 fine .......... ........................No. 4 to 3/4.. Sand coazse ...... ................... No. 4 to No. 10 medium ... ................. No. I O to No. 40 fine .......... ............... No. 40 to No. 200 Silt ............. ............ No. 200 to .005 mm Clay ......... ...............tessthan .005 mm Relative Density of Cohesionless SOUS very loose . ........................... 0 to 4 BPF loose .......... .........................5 to ]0 BPF medium dense .................. l l to 30 BPF dense ......... .......................31 to 50 BPF very dense . ........................ over 50 BPF Consistency of Cohesive Soils very soft .... ...........................0 to 1 BPF soft ............ ...........................2 to 3 BPF rather soft .. ........................... 4 to 5 BPF medium ..... ........................... 6 to 8 BPF rather stiff . ......................... 9 to 12 BPF stiff .......... ........................13 to 16 BPF very stiff ... .......................17 to 30 BPF hard .......... ......................... over 30 BPF Moisture Content (MC) Descripti on rather dry MC less than 5%, absence of moisture, dusty moist MC below optimum, but no • visible water wet MC over optimum, visible free water, typically below water table saturated Clay soils were MC over optimum Drilling Notes Standard penetration test borings were advanced by 3'/." or 4'/a" ID hollow-stem augers, unless noted otherwise. Standard penetration test borings are designated by the prefix "ST" (split tube). Hand auger borings were advanced manually with a 2 to 3" diameter auger to the depths indicated. Hand auger borings are indicated by the prefix "HA." Sampling. All samples were taken with the standard 2" OD split-tube sampler, except where noted. TW indicates thin-walled tube sample. CS indicates California tube sample. BPF. Numbers indicate blows per foot recorded in standard penetration test, also known as "N" value. The sampler was set 6" into undisturbed soil below the hollow-stem auger. Driving resistances were then counted for second and third 6" increments and added to get BPF. Where they differed significantly, they were separated by backslash (n. In very dense/hard strata, the depth driven in 50 blows is indicated. WH. WH indicates the sampler penetrated soi under weight of hammer and rods alone; drivin not required. Note. All tests were run in general accordance with applicable ASTM standards. • • • ~rrl~ 6EOTECHNICAL 2611 GabelRoad ~- P. O. Box 80190 Billings, MT 59108-0190 Phone: 406.652.3930 Fax: 406.652.3944 LOG OF BORING PROJECT: 07-2295 BORING: $T-~ 3 GEOT'ECIINICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion -See attached sketch. Bozeman, Montana DRILLED BY: C. Larsen METHOD: 3 1/4" HSA, Automatic DATE: 8/14/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials- BPF WL qP Remarks 149.4 0.0 i i 2" topsoil over ORGANIC LEAN CLAY, low I l I i plasticity, trace roots, dark brown, moist, rather stiffto very stiff. (Alluvium) 16 a+ MC =15.5% I ~ 12 3%= MC = 26.1% OL I I i I .I,~, I I ! I 12 3%= MC=21.1% 142.9 6. 1 ( - POORLY GRADED GRAVEL with CLAP, fine- to Gp - - coarse-grained, low plasticity, brown, moist to waterbearing, very dense. (Alluvium) 29 MC = 7.7% ~ ~ so-a^ 138.9 - END OF BORING -Auger Refusal Waterbearing soils observed at a depth of 9' while drilling. Water not observed to dry cave-in depth of 5 1/2' immediately after withdrawal of auger. 07-2295 ST-13 page 1 of 1 LOG OF BORING Phone: 406.652.3930 C~v• Al1G GC7 '20AA h c c i i t `c C c ~r~~ GEOTECHNICAL 2611 Gabel Road P. O. Box 80190 Billings, MT 59108-0190 PROJECT: 07-2295 BORING: $T-~ 4 GEOTECIINICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY: C. Larsen METHOD: 3 1/4" HSA, Automatic DATE: 8/14/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials BPF WL qp Remarks 148.3 0.0 9" topsoil over ORGANIC LEAN CLAY, low I I plasticity, trace roots, dark brown, moist, medium to t s a+ MC =16.0% I i I f stiff. (Alluvium) I I 9 a+ MC = 25.8% OL 1 I 1 r 1 I 1 ~ 6 3 MC = 26.9% 142.3 6.0 I I ` ~ PL=20 PI=18 LL=38 LEAN CLAY, medium plasticity, light brown, moist, , , medium. (Alluvium) CL 6 t'/= MC = 29.9% 139.3 9.0 ° Tw - POORLY GRADED GRAVEL with SAND and brown lasticity fine- to coarse- rained low CLAY so MC = 9 8% , . , , p , g . moist to waterbearing, very stiff. (Alluvium) _ ~ GP 17 MC = 14.9% 132.8 15. 3o MC =11.2% END OF BORING Water down 11 1/2' with 14' of hollow-stem auger in the ground. Water not observed to drycave-in depth of 9 1/2' immediately after withdrawal of auger. i i i i i f i i i V /-LL`JJ ~i-~-r Ya~c i vi a • • • ~1-L~ S GEOTECHNICAL 2611 Gabel Road P. O. Box 80190 Phone: 406.652.3930 Fax: 406.652.3944 LOG OF BORING PROJECT: 07-2295 _. . BORING: $T-~ 5 GEOTECIINICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY: C. Larsen METHOD: 3 1/4" HSA, Automatic DATE: 8/14/08 SCALE: 1" = 4' Elev. Depth. Symbol Description of Materials BPF WL qp Remarks 147.9 0.0 i i 4" topsoil over ORGANIC LEAN CLAY; low ~ ~ plasticity, trace roots, dark brown, moist, medium to 3o a+ MC =15.1% ~ i very stiff. (Alluvium) i i l0 4+ MC = 20.8% OL ~ i t ~ = ~y i i -1' Tense of Gravel. I 14 2 MC = 17.4% 141.4 6. ~ ~ -------------------------- LEAN to FAT CLAY, medium to high plasticity, light CL brown, moist; rather soft. (Alluvium) 4 ~ v= MC = 29.3% CH ~ Tw LL~9, PL=19, PI=30 138.4 9. s - __ POORLY GRADED GRAVEL with SAND and 2g MC =13.0% CLAY, fine- to coarse-grained, low plasticity, brown, moist to waterbearirlg, medium dense to dense. (Alluvium) ~ GP GC 48 MC = 15.3% 132.4 15. io END OF BORING Water down 12' with 14' of hollow-stem auger in the ground. Water not observed to dry cave-in depth of 8' immediately after withdrawal of auger. 07-2295 ST-15 page 1 of 1 ~~~e GEOTECHNICAL 2611 Gabei Road L P. O. Box 80190 Phone: 406.652.3930 C~v. Al1G GC7 Z~AA LOG OF BORING PROJECT: 07-2295 BORING: $T-~ s GEOTEC)=INICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLE D BY: C. Larsen METHOD: 3 1/4" HSA, Automatic DATE: 8/13/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials BPF WL qp Remarks 149.4 0.0 3" topsoil. over ORGANIC LEAN CLAY, low to ~ ~ medium plasticity, trace roots, brown, moist, rather z2 4+ MC = 16.2% ' ~ ~~ stiff to very stiff. (Alluvium) OL ~ ~ it 9 MC = 25.0% 44.9 4. II _ POORLY GRADED GRAVEL with SAND and 34 MC = 5.6% = CLAY, fine- to coarse-grained, low plasticity, brown, - moist to waterbearing, medium dense to very dense. _ (Alluvium) ss MC = 4.8% GP - 61 MC = 8 6% GC - . ~ I - 35 MC = 15.6% 133.9 15. 's END OF BORING .Water down 1 /2' with 14' of hollow-stem auger in the ground. Water not observed to wet cave-in depth of 12' i ithd l f di t l ft auger. rawa o mme a e y a er w s 's i i j j J U/-lly~ ~i-iv yag~ , ~~ , • • • ~rr1-.~ GEOTECHNICAL 2611 Gabet Road ___ _ P. O. Box 80190 Phone: 406.652.3930 Fax: 406.652.3944 LOG OF BORING PROJECT: 07-2295 BORING: ST-~ 7 GEOTEC>FINICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY: C. Larsen METHOD: 3 I/4" HSA, Automatic DATE: 8/13/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials BPF WL qp Remarks 149.4 0.0 6" topsoil over ORGANIC LEAN CLAY, low to OL t i t i i i medium plasticity, trace roots, brown, moist, rather stiff to stiff. (Alluvium) i s a+ t t 11 a+ 145.9 3. t t _ _ POORLY GRADEID GRAVEL with SAND and _ CLAY, fine- to coarse-grained, low plasticity, brown, - moist to waterbearing, medium dense to very dense. s6 - (Alluvium) 45 GP - ~ 44 - ~ - 31 133.9 15. zz END OF BORING Water down 12' with 14' of hollow-stem auger in the ground. Water not observed to wet cave-in depth of 8 1/2' i l di ft i hd l f mme y a ate er w t rawa o auger. 07-2295 ST-17 page 1 of 1 ~-1-~.~ 6EOTECHNICAL 2611 Gabel Road ~ ~ P. O. Box 80190 Phone: 406.652.3930 Fax: 406.652.3944 LOG OF BORING PROJECT: 07-2295 BORING: ST-~ $ GEOTECIINICAL EVALUATION LOCATION: Wastewater Treatment Plant Expansion See attached sketch. Bozeman, Montana DRILLED BY: C. Larsen METHOD: 3 1/4" HSA, Automatic DATE: 8/14/08 SCALE: 1" = 4' Elev. Depth Symbol Description of Materials BPF WL qp Remarks 148.7 0.0 2" topsoil over ORGANIC LEAN CLAY, low OL i ~ ~ ~ plasticity, trace roots, brown, moist, rather stiff to very stiff. (Alluvium) 2a a+ 145.7 3.0 f ~ 9 a+ POORLY GRADED GRAVEL with SAND and CLAY, fine- to coarse-grained, low plasticity, brown, moist to waterbearing, dense to very dense. - (AllUVlUrn) 42 83 GP ~ - si - SZ 33 133.2 15. _ al END OF BORING Water down 11' with 14' of hollow-stem auger in the ground. ' Water not observed to dry cave-in depth of 10 immediately after withdrawal of auger. _~ .~ :7 07-2295 ST-IS page 1 of 1 r o.s 1.0 1.5 2.0 2.5 0 3.0 .'., ~, vs 3.5 I.5 5.C 5.5 5.0 5.5 L 10 Stress, psf Boring No: ST-14 Depth: 5'/2 to 6'/2 Sampled By. Drill Crew Date Received: 08/18/2008 Soil Description: LEAN CLAY, medium plasticity, light brown, moist. (CL) Initial Dry Initial Moisture Density.(pcfl Content (%) 97.5 24.6 9/2/08 GEOTECHNTCAL 2611 Gabel Road P. O. Box 80190 Billings, MT 59108-0190 Phone: 406.652.3930 Fax: 406.652.3944 Consolidation/Swell Test Project Number: 07-2295 Wastewater Treatment Plant Expansion Bozeman, Montana 0 1 2 3 4 5 0 .~ ~. ~ 6 7 8 9 10 1 10 100 1000 10000 Stress, psf Initial Dry Initial Moisture Densit~(pcfl Content Boring No: ST-15 Depth: 8' to 9' 87.7 34.1 Sampled By. Drill Crew Date Received: 08/18/2008 Soil Description: LEAN to FAT CLAY, medium to high plasticity, light brown, moist. (CL/CIA 9/2/08 ~rr~ 2611 Gabel Road 6EOTECHNICAL P. O. Box 80190 Billings, MT 59108-0190 Consolidation/Swell Test Project Number: 07-2295 Wastewater Treatment Plant Expansion Bozeman, Montana Phone: 406.652.3930 Fax: 406.652.3944 .7 NESHAP INSPECTION for Asbestos-Containing Material Report Requested By: BOZEMAN WASTE WATER TREATMENT PLANT BOZEMAN, MONTANA __,,,,,, Performed By: eOApD QF INp,, C~ O ~Q'. F[Ni*ICATIpN '~ 87 CP a W x * 4 6~1 20f 0 T ,~ 60 ~ ~fAFT~ry~'n v~µ~a • ~9 ~ Environmental Solutions LLC --~ ~ Authored By: ~r~, ~ ~ ~~ ~`~ `~ ~ Sonia Rogers, IH r, Reviewed By: `" _ R ers, CIH, CHMM • Environmental Solutions-LLC ~i5v Date Date Page 7 of 24 CRAIG E. BRAWNER, P.E. MORRISt~N MAIERLE INC. TABLE OF CONTENTS Introduction ............................................................................................................ 3 Inspection Procedures ............................................................................................ 3 Chain of Custody .................................................................................................... 4 Summary of Results ................................................................................................ 4 Environmental Solutions Inspection Summary ........................................................ 5 Recommendations .........................................................................._....................... 7 Disclaimer ............................................................................................................... 7 Attachment A ........... .......... ............................................... ......................... 8 Photographs of Asbestos Containing Samples Attachment B .......................................................................................................... 10 Sample Analysis Report by EMSL Raleigh, NC laboratory • Attachment C .......................................................................................................... 15 • Chain of Custody Documents Attachment D ..................... .............................................. .... ......................... 18 NESHAP Regulated Asbestos Containing Materials Guidance Attachment E .......................................................................................................... 24 Abbreviations • Environmental Solutions Ll.C Page 2 of 24 INTRODUCTION. Sonia Rogers, MTA# 3150-IN of Environmental Solutions LLC performed a comprehensive asbestos inspection on September 4, 2008, of the Waste Water Treatment Plant, located in Bozeman, Montana at the request of the Craig E. Brawner, P.E., with Morrison Maierle, Inc. The intent of this report is to properly identify the presence of asbestos containing building materials prior to renovation and partial demolition of the facility. The owners previously have quantified and assumed all AC piping to contain a regulated amount of asbestos. This report is for building materials only and does not included any of the above ground or underground piping. The facility consists of ten buildings to be renovated, nine clar~er tanks to be renovated, three structures to be demolished and one to be disassembled and reassembled at a new location. This report and its recommendations are pursuant to the NESHAP requirements (40 CFR 61.145) and the Administrative Rules of Montana (17.74.307) as administered by the Montana Departmen# of Environmental Quality, Asbestos Control Program. The regulations require the building owner to have the facility inspected for the presence of asbestos containing material(s) (ACM) prior to the construction, renovation • or demolition of the facility. The owner is required to provide information ob#ained from the inspection to those who may be impacted such as, but not limited to, contractors, sub-contractors and/or employees. ARM 17.74.307 nrquires that the inspection be conducted by a Montana Accredited Inspector. INSPECTION PROCEDURES The inspection was conducted by our accredited inspector, Sonia Rogers, and consisted of a detailed visual survey of the surfacing materials and other miscellaneous materials throughout the facility. Following awalk-through of the buildings with Craig Brawner and Tom Adams, Sonia Rogers entered the buildings with sampling equipment and began to assess the homogenous areas within the buildings. Suspect ACBM was then grouped into homogenous materials and a sampling plan was developed. Ms. Rogers determined that 9 homogeneous materials were present and collected 27 representative samples from these materials. In 2001 three roofing samples were collected and analyzed. Three of the four materials. in each sample contained asbestos above the regulated amount. Ms. Rogers verified these materials were still present and assumed the previous finding. Materials were collected wet to avoid dust generation and. placed into Ziploc bags for transport. The materials were submitted to EMSL Laboratories, Raleigh, North Carolina. EMSL is an "accredited" laboratory under the National Voluntary Laboratory Accreditation Program (NVLAP), Laboratory Code #200fi71-0, which employs Polarized Light Microscopic (PLM) techniques with dispersion staining for identfication of mineral forms of asbestos. The quantification of asbestos in the sample is intended to be an estimate only and the limit of detection for Environmental Solutions LLC Page 3 of 24 this method is approximately 1% by volume. Sample analysis results are included in Attachment B. Bulk samples obtained during the inspection were assigned bulk sample numbers and entered on the sample summary /chain of custody forms. The samples were transported to the laboratory via Fed-Ex (Standard Overnight). Sample locations for this survey were chosen in a random fashion, with emphasis placed on obtaining samples of each type of accessible, suspect material and minimizing damage to the material being sampled. Samples were collected by carefully removing small portions of the suspect material in anon-invasive manner, when possible. If possible, samples from existing damaged areas or loose pieces of material were collected. The intent of the inspection was to idenfify the suspect materials, assume that materials contain asbestos or collect samples of materials to determine if they are ACM and assess the friability of the materials. Materials that were assumed to contain asbestos or that were ident~ed as containing greater than 1 % asbestos were categorized as a regulated asbestos containing ma#erial (RACM), Category INon-Friable ACM, Category I RACM or Category tI Non-Friable ACM based on the type and the condition of the material. CHAIN OF CUSTODY • Chain of custody document is included. in Attachment C. SUMMARY OF RESULTS The facility had nine (9) materials suspected of containing asbestos and three {3} materials that are assumed to contain asbestos. Zero (0) of the nine materials collected were found to contain asbestos quantities equal to or greater than 1%. • During the Environmental Solutions' survey previously sampled roofing materials were determined to still be present on the RAS/WAS Station and assumed to contain asbestos quantities equal to or greater than 1 % having previously been analyzed. Roofing .Material = 2-8% Chrysotile, Roof Paint (silver} =None Detected, Roof Tar = 5% Chrysotile, Roofing Feit/Membrane = <1- 10% Chrysotile (350 sgfft of material}. Ap other materials tested Negative for asbestos. Detailed sample results are included in the inspection Summary and Attachment B. • Environments! Solutions LLC Page 4 of 24 • o } a ~ m m JW Z 4 Z O Q WZ Q z ~ w 0 } ~ o~ N z ~ a N ~ Z ~ O ~ T W a ~ ~. ~ ~ ~ Z_ ~ z 0 O F- a J ~ ~ t i~ Q W J a ~ H ~~" c Z W m V Z O W 0 Y W ga 3 U uai O o~ Obi ~- OZN = S W 0 M o • W O ~ O r a o m Z N a z Q z N C7 U 0 U Y c ~' a`~ c ca U N Z I (D O O O m 2 m z z C t~ U m `o_ m x W ~ U c ~ ~ 0 Z 3° pU 00 Q c'~ 2 O O O r m o m Z y O z z N c? 0 Y V m `o_ .~ m u'~ ~ ~ c Q Zl 3m o Q3 N T r I ~ r ~ m ~$ o m o m Z m Z m D O z z z z Y A ~ ~ m (7 s a H T 3 O 2 lC> ~~ M ~- o c 3 O lL .~ U O U o~ C 3m 0 m c~ ~Um r r t0 a r v m o~ Z 0 a z a z g U c~ m rn C C .~ N ~ C7 c ~ ~ ~ ti Z N 0 N ai •-- ~ ~ ~ ~ o u~i o 1 Z m Z ¢_ z d C7 a~ m J v m rn G ~~ ~ a 0 c m w 00 2 N N N a z z~' c m C~ ~. J .Q C m t ii ~ S m v ti MN W N N v N 0 a~ a U J J M C O O m G `O C Li! 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L•'gg o .~ ~ J O ' : ~ v u 0 o w ~ ~ v ~ ~ .+ o ~ ?i a ., ey~ p + • ^ .e v~ n ~ Q '3 a a c~ ~1 ~ v ~ E 1 w ~ v b~ c ~ ~~5 ~ . u ~ ~ % ~ ~- [ ~ N o~a k h F7G P ~° ti ' `~ ~-g{ t5 ~ d ~ U ~ a v ~ ~ ~ ~ gg .c -' ~ ~ ~i G e r. 3 n e ~ F. E ? ~ up ~~ j , t N y C: 3 a i F: ° ~ u . fi ~ m N W a ~i U J J W C O O W v C I.i C w • RECOMMENDATIONS Exterior Roofing Material: The exterior roofing material located on the RASNVAS Station is non-friable in the current condition. Demolition of the material must include the abatement of the roofing material, roof tar and roofing felt/membrane and must be performed according to local, state, and federal regulations. Total quantity of material to be removed = 350 sq/ft. DISCLAIMERS This asbestos assessment report was prepared based on information obtained during the survey, interpretation of the laboratory results of bulk samples of building materials collected during the survey. The conclusions of this report are professional opinions based solely upon visual site observations and interpretations of laboratory analysis and field data as described in our report. This report has been prepared to provide information concerning the various types and estimated quantities of asbestos-containing materials that may be present at this site. While extreme effort was made to inspect every aspect of the building it still includes only those materials that were visible and accessible at the time of our inspection. • Our opinions are intended exclusively for use by Morrison Maierle, Inc. and the Bozeman Waste Water Treatment Plant. The scope of services performed by Environmental Solutions LLC may no# be appropriate to satisfy the needs of other users, and any use or reuse of this document, or the findings presented herein, is at the sole risk of the user. The opinions presented herein apply to the site conditions existing at the time of our investigation. Therefore, our opinions and recommendations may not apply to future conditions that may exist at the site, which we have not had the opportunity to evaluate. • Environmental Solutions t_LC Page 7 of 24 ATTACHMENT A PHOTOGRAPHS OF SAMPLES ;; ~_ F_ "~t- K~~.~ _ ~`x~~~~ F4:_== ~~, _ *~: ~~ ~4 . • SAM 07-09 - :~ , R'..o- `r ~, ,t . r ~ ,~ ~,. ~s ~' ~~- ~, ~ , ~ ~', `~ SAMPLES 1 Environmental Solutions LLC Page 8 of 24 SAMPLES 04-06 SAMPLES 13-15 SAMPLES 10-12 • PHOTOGRAPHS OF SAMPLES CONTINUED • • Environmental Solutions LLC Page 9 of 24 ATTACHMENT B . Sample Analysis Report by EMSL Raleigh, NC Laboratory Environmental Solutions LLC Page 10 of 24 ~i~".2 dom..,, e~~h CS~ei g`S: i'~..~.si, ~~°iE:, Ti:?`i n;~t+«;;o;; r^^•arF ~,, Pk`~ rft~~,=life °~:.` ~75~iG Photpe; f3t9S~5.'"r-s?~^0 rax: i3'19) G~-~9Q6 Emait: r~tEich(a[~~,ven;s#;ccm Aan~ Sonia Rogers CustorrteriD: ENS062 Environmental Solutions, LLC custar~er PO: P.O. BOX 7O1 O Recehed: o9105fo810:00 AM Bozeman, iVlT 59771 EMSL order. 290804571 Fa>C Phone: (406) 579-1441 Project: 8099, H2O Waste Trr~tment EMSL Prof: Analysis Date: 9111/2008 Report Date: 9H 112008 Asbestos Analysis of Buik Materials via EPA 6001R-93/116 Me#hod using Polarized Light Microscopy Norr-Asbestos Asbr~s Sample t-(-ceti0o App6alar1C6 % FibtOUB % NW1-Fib-OUS % TYi~ 01 CaJtcrt><e Gray 396 Ceilt>lose 95% Non-fibrous (oilier) None ~ 28o6oes7J~oooJ Fltxous 296 Syr~tic Hantogerteous 02 Ctmcrete Gray 5% Cellulose 93% Non-fibrous (other) None Detected 2soeoe57J.onoz Fibrous 2% Synthexic Harrogt~eous Concrete Gray 3% Celhdose 95% Non-frbrais (o0er) i'1o~ ~ a'~457J-0003 Fitxous 2% SynttletlC Homogeneous 04 Concxete Gray 5% Celgrlase 92% Non-fibrous (other) None Detected 2soeoeztf-0oo4 Fibrous 3% SynOletic HomageneotJs 05 Concrete Gray 4% Celulose 93% Non-f~raus ( None Oeteeted 24060457)-0005 Fibrous 3% Syrtthetk Horrrogefleotts 08 Ctx-crete Gray 5% CeiN~ose 93% Nan-tibrotu (t>ther) None Detected 24otrae57J-0oos F~rot>s 2% Syrttf~ Hanogerteous 07 Bride Beige 3% Cellulose 9796 Non-fibrous (other) None Detected 24080487)-0007 Fibrous Ftontogerteotu 08 BRdt Beige 3% Cellulose 97% Nan-t'ibrous {other) None Detected 24oaoa57J•ooos Fibrous Homogerreaus Artaiyst(S) E'ssie Sperxer (27) ESSie Spencer. Laboratory Manager or other approved signatory oua to me~fcason gmitatlerts irtrarart m Pt.M, aebatos gbas h dmarraioro Ualow the rasdutiart ppaWYry w Pt.M may rat oe oeroctod. The wrNt w aewawn as atffied in Cie meCad is 19i. The afore led report rstabs Dory b the sans Oesled and may nd be repmduoad (n ony faint witliorA the witlan approwl d EM5LAtrelyrael, YC. EMSL's getriry m grruted b the cost of artdyafs. EMSL eeas ra nupaWaggy fur aampte cogeWOn arShSiss a anlygpl msCad grnga6orts. tgerpreta0on anti uae or tat rawb ae Cte qty r# the died. tiemploa rsooirod in 4osd wneWon unlge o~hewiss nohA. TM repexr mW rot We used m dabs WoWiU aWaserrieM by M1fl.AP a ary a0eney d the .S. GorammerK NVI.AP Let Code 200671-0. CA ELAP 2657, YA 3333 006270, W VA LT000298 PLNF-1 ^ 1tGI-Ea. tviati+;s€~ F'~ra:irv~s~~. Ui4rrs~rifi~~, P~:: 275EiCi Phone: (319} X65-3900 t=ax: f319~ ~€ 3S0{} ~maii: raft taftlstf~z^~mst,cont Attn: SOnia Rogers Customer ID: ENSd62 Environmental Solutions, LLC customer Po: P.O. Box 7010 Ret~ived: 0910510810:00 AM Bozeman, MT 59771 EMSL Order: 294804571 Fax Phone: (406} 579-1441 EMSL ~; Project: 8059, HZO Waste Treatment Analysis Date: 9/712008 Report Date: 9/11/2008 • Asbestos Analysis of Bulk Materials via EPA 600/R-93/115 Method using Polarized Light Microscopy Non-Asbestos ~sb Sample Location Appearance 74; F[brous %Non-Fibrous °~ Type 09 Brkk Beige 3% Cellulose 97% Norrfibrous (other) None Dettreted zsoeot57t-0oos Fibrous tiomogenerxts 10 Mortar Browr/Tan 5% Ceiittlose 95% Non-fibrous (other) None Dttteded 2sosoa57t.ooto Fibrous Htdetogtrteats 11 Mortar Btowrt/Tan 5% Cdittlose 95% Non-fibrous (dher) Nom ~ zeosoa57toot t Fibrous • 12 Mortar BrotNrYi`an 5% Cellulose 95% Non-fibrous (other) Nom ~~ 290804571.0012 Fibrous , Neterogeneot~ 13 Asphalt BtaddSrown 5% Celhdose 95% Nan-fibrous (other) Nona Detected z9oao4s71.0013 Fibrous Nanogerteous _ __ 14 Asphalt BrtywrtlBiack 8% Celkiose 92% Ntxt-fibrot~ (other) None Detected 2soso4571oot4 Fibrous Homogeneous 15 Asphalt Brv~urdBlack 8% Cellulose 92% Non-Rbror~ (atlter) None Detected 29oeo4571.oot5 Fibrous Nontageneats 16 Cottctete Gray 5% Ceiltltose 95% Nan-fibrous (other) NOS ~~ 290804571-0018 _ Fibrous Homogeneous ~;+' i ~ ~ Analyst(s) 3,`, ;F' r.cv. t Elsie Spencer (2T) Elsie Spencer. Labor>~txy Manager or other approved signatory Duo tomep+Mim6on Ikllilelbnc bdtererd M Pl-M. mbestos fibers kr dlmenataw below ttr readueon CaQeEirdy d PLM may not be detected. The fimR of dateafon as stared m the meMod is 1'16. The above lest repot relelesony to the itdns tasted arW may not De reproduced in ary term wiNnut the m~ress wdaan appre~d or EMSL Analysed, tne. EMSI's Nabinty is srrrlMd !o the coat o1 aradyats. EMSL beets rlo reaporaibaNy for aarrlpM eo0ectiort acsNtl~ or armlytlcat me8tod iknit~ra. M~pr'et~an eM use of test reauRS ate the reepgrWbWy of dro CeMt. Samples fOOatYed irl yDed oondaian uMap tAh°«rtse rated, 7»s repot nxrt rot ba us°d 10 claim t>n>duct enOOrsMnent by NVI.AP or any agency of Ih6 U.S. C,oramnant AwedfeNons; NVl AP l ab Coda 2006T1-0, CA EI.AP 265/, VA 3333 000278, W VA L7001129t1 PLM-1 ,• i";`4`z-f:/=1°i{c^sii06~i feSfl!~e`<`s<<~ 1~~.ti':'{SV't~~~, ~~;.f-7:7~(i ?hcne; (819) d&5-39G3 Fax; (91'.re vu5-35GG Email: r~?e+yh_L-.b~iy_emsl.cc~rr Attn: Sonia Rogers custtxrt~ lD: ENS062 Environmental Solutions, LLC customer Po: P.O. BOX 7010 Received: 09105/0810:oD AM Bozeman, MT 59771 EnnsL order: 290804571 Fax Phone: (408} 579-1441 EMSL Prof: Prt>ject 8059, ii20 Waste TreaGnertt Analysis Date: 9/1 1120 0 8 Report Date: 9/11/2008 Asbestos Analysis of Bulk Materials via EPA 600/R-93/116 Method using Polarized Light Microscopy N A b t Sample Location Appearance °~ on- s e Fibrous os s %Non-Fibrous % Type 17 Ctxrcrrte Gray 2% Cellulose 98% Non-flbrtws (other) Norte Detected z9osoa5n.oon Fibrous Homogeneous 18 Concrete Gray 2% Cte 9896 Non-flbraas (other) Ptene Detected 29080457(-0018 F{brtxrS H~ 19 Shingles Bla~cklBrowrdV11t~1e 45% Ceih)bse 45% Non-flbrous (other) None Detected • 290804571-0019 F{brtx)s 10% SyrtlttetiC Heterogeneous 20 Sttirtgies BladdBrolnrnflNlvte 45% Cta9ttiose 45% Non-fibrous (other) ~~ ~ 2so9o4571mzo Fibrous 10% Synthetic Heterogeneous 21 Shingles BlackBrarrNWhite 45% Cefitrlase 45% Non-fibrous (Differ) tiorte Detected z9o604571-0ozr Fibrous 10% Syrtgtetic 22 Shingles Blatic/BranrttlGray 25% Ceilttlose fi5% Non-flbr~s (r~r) None Detected 29g9aos71-ooze Filtrous 10% Gass Heterngeneotrs 23 Shingles BleddBrowNGtay 30% Cellulose 50% Non-fibrous (otFt~) None Detected 290804571-0023 Fibrous 20% Glass Fib 24 Shingles BlatitlBrotntrt/Gtay ~% Celluose 50% Non-tibr~ous (other) None Detected 29oao4571~aoza Fibrous 20% Glass Heterogt~eotts Analyst(s) Essle Spencer (27) ii , .~ Essie Spencer, laboratory Manager or ott'ter approved signory Due to megrtifimeon IenHaBOrr.4 krhererrt b PI.M, asbestos figs in dlrrrentiarrs below the tssottAiort eapabilby of PLtA may not pe debdad. Ttte gmit of eataUkn as stelae Mt the method is 19G. the above Neat mpat tables arty b the bma bated amt may rrM be ntplvOtwse h arty tam without Ure erpnee wnhee approve of EMSL Anelytleal, pn EhtSl's IiabNfgr b thn6ee b the coat or anatyeta. EtttSl bears no resparwblltry for aempb oaMedlon aogvNiee a arrdylkd method prrrNeliorrs. erldprebtlon arW sea of teat reeuks are tie rotpertitibWty of the NimR Sa»pMS r°aNOpA In gavel ~Krlese nawnMrw mted This report must nd be wee b daim Oradud erMOraemeM by NVLAP or any a0erwy d the U.S. Gorarrmud. Acaed~tiars: t4Vl AP Lab Colo 200871-0. CA ELAP 2667. VA 3333 000278, VWA Llt)00298 PUN-1 3 k~i-t'-i :3 fFr~il Gal ~u';`aiVs2)`, ~i~E~r~'eS`f i~~~ nd t°..- ~C~~J~1 ~~ f>hone- (41'.i} ~k66-3z~fS~ FaE. {9391 565.3~C~ia mat!: a3e,tghtat~~:~mti.~otsi Alts: Sonia Rogers Customer ID: ENS062 Environmental Solutions, LLC customer Po: P.O. BOX 7O1 O Rta;eivtai: 09!05!0810:00 AM Bozeman, IVCT 59771 EMSL Order: 290804571 Fa>r Phone: (408) 579-1441 EMSL Prof: Project: 6059, H2O Waste Treatment Analysis Date: 9/1112008 Report Date: 9/11/2008 .i Asbestos Analysis of Buik Materials via EPA Ia00/R-931116 Method using Polarized Light Microscopy Non-Asbestos Sample Location Appearance % Flbrol~ °~ Non-Fibrous % Type 25 5hingless BlackiBrown/Gre~ 10% Cellulose 60% Non-fibrous (other) None ~~~ 290804571-0025 Fibrous 30% Glass --__. __ 26 Shingles Blac*/BrvelrUGreen 10% Cellulose 6096 Nan-fltuous (other) NO^° ~ 2sosaa571.ooze Fibrous 3D% Glass Ht#erogeneals 27 Shingles BlackBrovvNGtay 10% Cellulose 6096 Non-fibra~ (her) Norte Detected a9oaaa571oo27 Fitxous 30% Glass • Het~ogerteals Analyst(s) Elsie Sper~er (27) ii j 'ti ~,v~~:..E . Elsie Spend. Latltxatory Manager or other approved signatory Due to megriibceeon lenbebons IrMiereril m Pll1. asbast~ Boers in dirriendoris below the rasotu8on capebNbr d PLM may nW txi delBGed. lliB Wttit d dMeclWri 8a aletad h the method is Ili. The above lest report repps ony p Cie Items ported arM may not a reptodxed in any form wlCtoul Cis aiQreSa YYliben appoYel d EMSL ArialytlCat, t1C. EMSL's ItedatY p NrtiMed m Bic cost d armlysis. EMSL bears no rasporislWly br sampp oobsatlori actiNbas ar ariatybcY mothod Wnaedoris. YawprataHOn and twe d pat relator are Uie rs°ponsibiWy d pie eberil. SempNs received in good oori6tion iuilass oaierwiw rioted. ilia repod must nd be used fd ClaRri product eridorsrbrbnt by NM.AP Of eny s9erioY d the U.S. Goiexmieril Acaeditetions; NVLAP !orb Code 200671-0, C/t ELAP 2557, VA 3333 000278, W VA LT000296 PI.M-1 THIS IS THE LAST PAGE OF THE REPORT. • 4 • ATTACHMENT C CHAIN OF CUSTODY DOCUMENTS • Environmental Solutions LLC Pale 15 of 24 YBgC ! UT L 290$Q4571 Environmental So~rtions, LL i3sa59, H2~ W ante Treatment ~5i2U0t3 P Lb1 Please print aEi infamlation kgibl~~. ~~A~N ttT / '~~11~A~tI C O-derlD: 290PAd571 No Samples: 27 TA7: 120 Hour E)rre: t><-i12 1Q:W AM Butt Fax: EM.Si. Anatytimlr inr_ iation Parkway Suitt A Ile, NC 275ti0 919-465-3900 ..: 9! 9-465-3950 dttp:!lwww.emslcam • gip; Eavironlncntal Solutions LLC Bil! Fa; Environmetlta) Solutions LLC ddressl: PO Box 7010 .4ddressl: PO Box 7010 ddress2: Address2: f1,3. State: Bozeman, MT City, Store: Horseman, M"f Post Code: 59771 ZiplPrut Code. 59?71 ott-rtry: USA Crnmtry: USA a>nod tVame.• Sonia Rogers AaGdt: Sonia Rogers iuule: (406) sT9-14x1 Pltorte.~ (QQ6) S7'4-1441 ax: (406) 587-0i93 Fax: (406) 5$7-0193 i1: cnviiroltmentalsa cam F.nraif: extvirotun+entalsol~.msn,com atifSL Rep: P.Q. Naxteb~er; NaaielNsrrlfbei: ~ -~ • ti.: MATRI7C TETRNARUUND I,~ Air ^ Salt ^ Mlero»Vst1c ^ 3 Noars ^ 6 Hours ^ Saint Day [~ 24 Noars ar 11 Honrs* (i day) BaRl1c ~..) DrmJeling ^ 48 Hours ^ 7Z Roars [~ 96 Marrs 120 Hours Water (z daps) (3 Jaya) (4 days) 5 days) Wipe ^ Waatewrl~tcr ^ !44} Iralrs (b-10 Jaya) T8M AtR. 3 r,ros : i fuaei Aline tatl a~ fo sciedale.'Iiere i, a Pnedna e>taelr fiN' 3-Ysar ~ Please ea0 i.li~.i2~-36TS for Brice Fria' to sesd~S rrrsFlea. Ysa rrlr be a+rl~e+t b sipe as sa!#rrtr+-Ww fsnM fir 16du sar+im. •t2 lean t~ asrinc h ! l ~0a.ar. Maa -FnL~ !feat Rera'r io Price QrrWe ^ NK3SH 7400(A) t*~ue z: Au~rt t9!~4 ^ ANEit1+- 40 LF1t, Part 763 Subpart $ ^ EPA 100. I i~_i` OSHA w1TVlrA 4 N10SH 74132 ^ EPA I Qp.2 ^fhher: ^EPA I..cvel 11 ^NYS 198.2 ~.~#Ik '~`~ M IV~icrovaclWi~ EPA 60018-9311 lb ^ Dra{t h+loultt (Qualitative) (~ ASTM U 57x3-95 tgrrearriac mer6odt A Point Count [i Chatfield SOA - !988-02 ^ Wipe Qualiffitivc NY Stratified Point Count ^ TEC-+1 NOS (Glsvimettic) IYYS 198.4 ^PLM NOB (Glavimetfic) NYS 198.1 [~ EMSI. Standard Addition: ~~ NIOSH 9002: ~ Asbestos ~ EMSL Standard Addition: PLM Soil t=1 Silica NiOSH 7500 r or ^ EPA Protocol. Qualitative ^ Qualitative ^ EPA Prntoexl! Qrralltitativc tQT1:tER IJ Quatltttativc ^ EMSI. IVlSD 9000 Mctlrod iibcrs+flraen ^ • hug:l/www.ems!.cot~1/C`OC_Printcfm?actiaa-prirn&Scrvit~GatSelec~38tLabsSeleerl~ale:.. 3/7/2U~11 • 20804571 ~~:____ ^` --=-~ ••~' C'`nct>~Al~'V iEi4'tS'L El>fttly'Gidi; I»c. • EnvkonMental Solutions, LLC H217 W Otder 10: 4571 ~ ~ ^' a vigtian [~sTlcwAy acts 7rstatrr±erffi Suite A cy~ppg ELM TiiT: t2[IHcwr No Samples: 27 Due: 09t121QgpAiW ;lie,~~ Z756[i suuc Fsx: .919-4&S-39Qd 919-~46~5-3950 Please print att information legibly. g nuNuJww?w.e ~Lc~nm Client 3asple # (s} ~~ - ~~_ ~ 7 'Fatal Samples #; ~ / RCI~YQIliif6bd:~ _ ~ bates ~L~IC: ~.( ~ ~ J~~ ~ ni4'csz•l~: ~": ~11mC: ln g 4iShed: iel R 17dtle: LZ Tf m ~ ] ~ f f s~a~ p ~ • SAMPLE NUMBER SAMPLE DESCRlPT[ONIIACA'~'IUN VOLUME ti a Ulcsbk f ~ r 1• ~--- ,-r I~ ! ~~ 2 ~ C ~~~~~ l • :/fwww. I.com/CDC 1'rin#.cfin?aGtio 'nt&ServiceCatSe;lecl~3&Lal~Sclcc~Rale... 3/7!`LO(}8 http erns _ ~Pn ATTACHMENT D • NESHAP REGULATED ASBESTOS CONTAINING MATERIALS GUIDANCE Introduction: Section 112 of the Clean Air Act (CAA) requires EPA to develop emission standards for hazardous air pollutants. In response to this section the Environmental Protection Agency (EPA) published a list of hazardous air pollutants and promulgated the "National Emission Standards for Hazardous Air Pollutants" (NESHAP} regulations. Since asbestos presents a significant risk to human health as a result of air emissions from one or more source categories, it is therefore considered a hazardous air pollutant. The Asbestos NESHAP (~0 CFR 61, Subpart M) addresses milling, manufacturing and fabricating operations, demolition and renovation activities, waste disposal issues,. active and inactive waste disposal sites and asbestos conversion processes. In the initial Asbestos NESHAP rule promulgated in 1973, a distinction was made between building materials that would readily release asbestos fibers when damaged or disturbed and those materials that were unlikely to result in significant fiber release. The terms "friable" and Wort-friable" were used to make this distinction. EPA has since determined that, if severely damaged, otherwise non-friable materials can release significant amounts of asbestos fibers. Friable asbestos-containing material {ACM}, is defined by the Asbestos NESHAP, as • any material containing more than one percent {1 %) asbestos as determined using the method specified in Appendix A, Subpart F, 4fl CFR Part 783, Section 1, Polarized Light Microscopy {PLM), that, when dry, can be crumbled, pulverized or reduced to powder by hand pressure. {Sec. 61.141} "Regulated Asbestos-Containing Material" {RACM} is (a) friable asbestos material, (b) Category ! nor-triab~ ACM that has becorrre friable, {c) Category+ !non-friable ACM that ~~Jill be or has been subjected to sanding, grinding, cutting or abrading, or {d} Category 11 non-friable ACM that has a high probability of becoming or has become crumbled,. pulverized, or reduced. to powder by the forces expected to act on the material in the course of demolition or renovation operations. Friable Asbestos Containing Materials: flue to their high tensile s#rength, incombustibility, corrosion and friction resistance and other properties, such as acoustical and thermal insulation abilities, asbestos fibers have been incorporated into aver thirty-six hundred (38QQ) cornmer;;ial prc~du~s. Thermal system, fireproofing and acoustical insulation rrraterials have be~cr~t ~se~ extensively in the construction industry. Thermal system applications include steam or hot water pipe coverings and #hermal block insulation found on boilers and hot water tanks. Fireproofing insulation may be found on building structural beams and decking. Acoustical insulation {saundproc~fing} • Environmental Solutions LLC Page 18 of 24 • commonly has been applied as a trowelled-on plaster in school and office building stairwells and hallways. Unfortunately, with time and exposure to damaging forces (e.g., severe weather, chemicals, mechanical forces, etc.), many asbestos-containing materials may become crumbled, pulverized or reduced to powder, thereby releasing asbestos fibers, or may deteriorate to the extent that they may release fibers if disturbed. Since inhalation of asbestos fibers has been linked to the development of respiratory and other diseases, any material which is friable, or has a high probability of releasing fibers, must be handled in accordance with the Asbestos NESHAP. The following work practice must be followed whenever demol'~ion/renovation activities involving RACM occur: -Notify the Montana Department of Environmental Quality of intention to demolish/renovate, Acquire an inspection of the building to identify al! ACM prior to beginning renovation or demolition, -Remove all RACM from a facility being demolished or renovated before any disruptive activity begins or before access to the material is precluded, • -Keep RACM adequately wet before, during, and after removal operations, -Conduct demolition/renovation activities in a manner which produces no visible emissions to the outside air, and -Handle and dispose of all RACM in an approved manner. Non Friable Asbestos..C~"lltaining Materials: Because of the resilient nature of asbestos, it is used in materials exposed to a wide variety of stressful environments. These environments can cause the deterioration of binding materials and cause non-friable materials to became friable. For example, asbestos-containing packings and gaskets (Category Inon-friable ACM) used in thermal systems may be found in poor corndition as a result of the heat they have encountered. In petrochemical handling facilities, which may have miles of #ransfer pipes and fittings which contain asbestos gaskets and/or padcings, profound degradation of the ACM may occur due to exposure to organic-based Liquids and gases or to corrosive agents used to chemically clean these tines. When non--friable ACM is subjected to intense mechanical forces, such as those encountered during demolition or renovation, ft can be crumbled, pulverized, or reduced to powder, and thereby release asbestos fibers. When non.-friable materials are damaged or are likely tv become damaged during such activities, they must be handled • in accordance with the Asbestos NESHAP. Environmental Solutions LLC 'Page 19 of 24 There are two categories of non-friable materials: Category Inon-friable ACM and • Category II non-friable ACM. CATEGORY I -Non-Friable ACM Category Inon-friable ACM is any asbestos-containing packing, gasket, resilient floor covering or asphalt roofing product which contains more than one percent (1 %) asbestos as determined using polarized tight microscopy (PLM) according to the method specified in Appendix A, Subpart F, 40 CFR Part 763. {Sec. 61.141 } Category Inon-friable ACM must be inspected and tested for friability if it is in poor condition before demolition to determine whether or not it is subject to the Asbestos NESHAP. If the ACM is friable, it mus# be handled in accordance with the NESHAP. Asbestos-containing padcings, gaskets, resilient floor coverings and asphalt roofing materials must be removed before demolition on if they are in poor condition and are friable. The Asbes#os NESHAP further requires that if a facility. is demolished by intentional buming, all of the facil"rty's ACM, including Category I and 11 non-friable ACM, be considered RACM and be removed prior to buming (Sec. 61.145(c)(10)). Additionally, if Category I or Category It non friable ACM is to be sanded, ground, cut, or abraded, the material is considered RACM and the owner or operator must abide by the following (Sec. 61.145(c){ 1)}: (i} Adequately wet the material during the sanding, grinding, cutting or abrading • operations. (ii) comply with the requirements of 61.145(c)(3)(i) if wetting would unavoidably damage equipment or present a safety hazard. (iii) Handle asbestos material produced by the sanding, grinding, cutting, or abrading, as asbestos-containing waste material subject to the waste handling and collection provisions of Section 61.150. CATEGORY tt -Non-Friable ACM Category II non-friable ACM is any material, excluding Category Inon-friable ACM, containing more than one percent (1 %) asbestos as detem~ined using.polarized tight microscopy according to the methods specified in Append'a A, Subpart F, 40 CFR Part 763 that, when dry, cannot be crumbled, pulverized, or reduced to powder by hand pressure. (Sec. 61.141} Category II non friable ACMs (cement siding, trans'~te board shingles, etc.) subjected to intense weather conditions such as thunderstorms, high winds or prolonged exposure to high heat and fiumidity may become "weathered" to a point where they. become friable. The following reference lists examples and other relevant information about Category I and Category 11 nor friable ACM.. • Environmerrta{ Solutions L!C Page 20 of 24 EPA Guidance entitled "Guidance for Controlling Asbestos- Containing Materials in Buildings" (Purple Book), appendix A, Page A 1; EPA 560!5-85-024. Except for the following, Section 61.145(c) of the Asbestos NESHAP requires that each owner or operator of a demolition or renovation activity involving RACM remove all such material from a facility being demolished or renovated before any activity begins that would break up, dislodge, or similarly disturb the material or preclude access to the material for subsequent removal. ACM need not be removed before demolition if it: (i) Is aCategory Inon-friable ACM that is not friable. (ii) Is on a facility component that is encased in concrete or other similarly hard material and is adequately wet whenever exposed during demolition. (iii) Was not accessible for testing and therefore was not discovered until after demolition began and, as a nasult of the demolition, cannot be safety removed. If not removed for safety reasons, the exposed RACM and any asbestos- contaminated debris must be treated as asbestos-containing waste material and kept adequately wet at all times until disposed of. (iv) )s a Category li non-friable ACM and the pn~babiiity is low that the material • will become crumbled, pulverized, or reduced to powder during demolition. INSPECTION PROCEDURES Members of the regulated community (i.e. abatement contractors, industrial hygienists, building owners ~ operators, etc.) should become familiar with these procedures as they are designed to enhance compliance with the Asbestos NESHAP. GENERAL INSPECTION PROCEDURES 1. Identify all non-friable suspect ACM and determine whether it is Category 1 or 11. 2. If it is Category Inon-friable RACM: Is it in "poor condition?" [Is the binding of the ACM losing i#s integrity? Is the ACM peeling, cracking, or crumbling? (Remember, friable ACM may not appear in poor condition.)] Is it friable? • - Collect a piece of dry ACM and seal it in a transparent, re-sealab~ sample bag. Environmental Solutions LLC Page 21 of 24 -Apply hand pressure and observe if the ACM falls apart to the extent that it is • crumbled, pulverized, or reduced to powder. Does it occur suddenly, all at once? - Send representative samples of the RACM to an analytical laboratory which is able to test them for the presence of asbestos according to the methods specified in 40 CFR Part 763 Subpart F, Appendix A. - Ask the owner/operator if any ACM or RACM has been sampled and analyzed. If so, determine where the samples were taken and ask if the methods of demolition/renovation were considered when assessing the fiber release potential of the material. Will it or has it been subjected to sanding, grinding, cutting or abrading? 3. If it is Category 11 non-friable ACM: - Has the material been crumbled, pulverized or reduced to powder or is there a high probability that it will be crumbled, pulverized or reduced to powder during the demolition/renovation operations, thus rendering the material friable and subject to the Asbestos NESHAP? - If Category II non-friable ACM has been or will be crumbled, pulverized, or reduced to powder by demolition or renovation forces, take representative samples and send them to a laboratory to test for the presence of asbestos according to the method specified in 40 CFR Part 763, Subpart F, Appendix A. SPECIFIC INSPECTION PROCEDURES: CATEGORY INon-Friable ACM Packinas and Gaskets These materials are often very difficult to find because they are usually placed inside ovens, doors, pipes, boilers, etc. Often a packing or gasket is discovered during a stripping or demolition activity. For example, some boilers have an asbestos containing paraffin wax packing between the steam lines that travel between the mud and fire boxes. The paraffin binding of the packing may decompose due to the high temperatures, and render the packing friable. Observe alt of the packing and note areas that are in poor condition. Packings in poor condition appear dry and discolored, and fibers may be visible. A representative piece of asbestos-containing packing material (in good or poor condition) should be removed with a utility knife and sealed in a transparent, re-closab#e bag. Apply hand pressure to the packing in the sample bag to determine if any portion is crumbled, pulverized or reduced to powder. If the material simply deforms, but does not crumble or reduces to a powder, then the material is considered non-friable. Resilient Floor Covering • `here is a wide variety of resilient floor covering appiicafions that contain asbestos_ The • most common are linoleum flooring and vinyl asbestos file (VAT). VAT is most Environmental Solutions LLG Page 22 of 24 commonly found in either a 9"x9" or a 12"x12" square size. The 9"x9" VAT's are - normally found in older buildings because they were manufactured earlier than the 12"x12" VAT's; however, floor file sizes and resilient floor covering applications vary greatly since many buildings have been re-tiled several times. to order to determine if a resilient floor covering is in poor condition took for sections or tiles which are- cracked or peeling to the extent that they are crumbled. Floor coverings in poor condition can often be found near doorways or loading/staging areas where the floor has sustained a lot of stress and traffic. If the floor covering is in poor condition, collect a small representative sample and seal it in a transparent, sample bag. Hand pressure should be applied to determine if the ma#erial can be crumbled, pulverized, or reduced to powder. If it can, the material is considered friable. Resilient floor covering that will be or has been sanded, ground or abraded is subject to the Asbestos NESHAP. Asphalt Roofrng Products Asbestos-containing roofing felts have been widely used in "built up" roofs. Built-up roofing was used on flat surfaces and consists of attemating layers of roofing felt and asphalt. The roofing felt consists of asbestos paper saturated. and coated with asphalt. Asphalt-asbestos roofing products made from roofing felt coated with asphalt were reportedly used on residential structures for only a short time (1971-1974). • To determine if an asphalt roofing product is covered by the Asbestos NESHAP, examine the RACM to spot any areas where the material is in poor condition and friable. If possible, sample areas where fibers can be seen protruding from the matrix of the asphalt. The sample should be sealed into a transparent, re-closable sample bag and hand pressure applied to see if the sample can be crumbled., pulverized, or reduced to powder. CATEGORY 1! Non-Friable ACM Asbestos Cement Pipe and Sheet Pnxlucts Asbestos-cement (A-C) pipe has been widely used for water and sewer mains and occasionally used as electrica! conduits, drainage pipe, and vent pipes. A-C sheet, manufactured in flat or com+gated panels and shingles (transits board), has been used primarily for roofing and siding, but also for cooling tower fill sheets, canal bulkheads, laboratory tables, and electrical switching gear panels. if these ACM are crumbled, pulverized or reduced to a powder, they are friable and thus covered by the Asbestos NESHAP. Broken edges of these material typically are friable. The fractured surface should be rubbed to see if it produces powder. If Category 11 non-friable ACM has not crumbled, been pulverized or reduced to powder and will not become so during the course of demolitioNrenovation operations, it is considered non-friable and therefore is not subject to Asbestos NESHAP. However, if • during the demolition or renovation activity it becomes crumbled, pulverized or rnduced to powder, it is covered by the Asbestos NESHAP. Environmental Solutions LLC Page 23 of 24 ~ q ATTCHEMENT E • ABBREVIATIONS A!C asbestos/cement ACM asbestos-containing material AHERA Asbestos Hazard Emergency Response Act of 1986 ANSI American National. S#andards Institute ASTM American Society for Testing and Materials BID background information document CAA Clean Air Act CPSC Consumer Products Safety Commission DOT Department of Transportation EPA Environmental Protection Agency ID iderrtfication LEV local exhaust ventilation NADC National Association of Demolition Contractors • NARS National Asbestos Registry System NESHAP National Emission Standards for Hazardous Air Pollutants NIOSH National institute for Occupational Safety and Health OAQPS Office of Air Quality Planning and Standards OSHA Occupational Safety and Health Administration OSW Office of Solid Waste PEt_ permissible exposure limit PLM polarized .light microscopy RCRA Resource Conservation and Recovery Act SARA. 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O OI V ao RE~1~1'~L~ ~OTTTryo*T ~~~ ~ ~ 2U08 ENGINEERS ~ j~.,~.j~.j~j~ 11\\JJ 1\YI SURVEYORS "~ PLANNERS qp,~~ 1~~gr p`` SCIENTISTS _' - _' ~~ ``~~! ~1V~• 28891f•?OMNOLOGY BOULEVARD WEST • PO BOX 1113 • BOZEMAN, MT 59771 • An Employee-Owned Company OFFICE: 406-587-0721 • FAX: 406-922-6702 • www.m-m.net September 22, 2008 CITY OF BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-01 EPA STAG PROJECT NO. XP-97834301-0 LETTER OF TRANSMITTAL SUBJECT: Addendum No. 3 Dear Bidding Document Holders and Prospective Bidders: Please find enclosed Addendum No. 3 for the City of Bozeman WRF Phase 1 • Improvements Project. Acknowledge receipt of this addendum by signing and dating the space provided in the Bid Form. Please contact our office if you have any questions. Sincerely, ~` J MORRISON-MAIERLE, ANC. James Nickelson, PE cc: Dan Harmon, HDR Engineering, Inc. Tom Adams/Bob Murray, City of Bozeman N:\2105\054\Bidding Docs\Addendum No 3\Addendum Letter No. 3.doc • Providing resources in partnership with clients to achieve their goals. • • • ADDENDUM N0.3 CITY OF BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS PROJECT SRF PROJECT NO. C303105-O1 EPA STAG PROJECT NO. XP-97834301-0 HDR Engineering, Inc. Morrison Maierle, Inc. 1715 South Reserve St., Suite C 2880 Technology Blvd. West Missoula, MT 59801 Phone: (406) 532-2232 PART 1-GENERAL 1.01 SCOPE Bozeman, MT 59718 Phone: (406) 587-0721 A. This addendum forms a part of the Bidding and Contract Documents and modifies the Project Manual as described below. B. This Addendum consists of 8 pages. 1.02 ACKNOWLEDGEMENT • A. All bidders are required to base their bid upon the information furnished in this Addendum, and acknowledge receipt of this Addendum by signing and dating in the space provided in the Bid Form. PART 2 -PROJECT MANUAL 2.01 DIVISION 0 -BIDDING DOCUMENTS A. Section 01010 -Summary of Work 1. To Section 01010, Article 1.16, add a new paragraph 1.16.C to read as follows: i. "C. Contractor shall prepare and submit an approvable Traffic Control Plan to the Montana Department of Transportation for the new water line sub-surface boring work under Springhill Road. Contractor shall also prepare and submit, for approval in accordance with Section 01300, a Traffic Control Plan for the street cut on the City of Bozeman's Moss Bridge Road for the new water line installation." B. Section 01060 -Special Conditions 1. To Section 01060, Article 1.16.F., change this paragraph to read as follows: i. "F. The Contractor shall obtain and pay for the City of Bozeman Sign Permits for the new Plant Entrance Sign and any other signs used at the Contractor's office areas." 2. To Section 01060, Article 1.16, add a new paragraph 1.16.I to read as follows: 00...60746 Bozeman WRF Phase 1 Improvements Project 9/22/2008 Addendum No. 3 -1 i. "I. The Contractor shall obtain and pay for a City of Bozeman Street Cut Permit for the Moss Bridge Road street cut for the new water line S installation." 2.02 DIVISION 1-GENERAL REQUIREMENTS A. Section 01800 -Openings and Penetrations in Construction 1. To Section 01800, Article 3.1 B, insert paragraph 1 to read as follows: i. "1. Where control panels or motor control centers (MCCs) are floor- mounted, and where there is open space beneath that floor, provide block outs as needed for electrical raceways. Provide additional reinforcing steel as needed around each penetration to minimize cracks in concrete. Below each MCC, provide an 8 IN x 8 IN block out centered underneath each vertical section. For each control panel, provide an 8 IN x 8 IN block out, centered between the front and back of the panel; provide one block out per 3 FT of control panel length. Block outs not permitted in locations where a classified and unclassified area would meet if a block out was installed. Provide block out plans in a submittal package for approval by Owner and Engineer; note any anticipated conflicts or issues." 2.03 DIVISION 3 -CONCRETE A. Section 03311 -Concrete Mixing, Placing, Jointing, and Curing 1. To Section 0331.1, Article 2.1.D., change paragraph to read as follows: • i. "D. Waterstops, PVC type." B. To Section 03311, Article 2.1.D.4, change paragraph to read as follows: i. "4. In all other joints: a) 6 IN wide x 3/8 IN serrated flat strip type. b) Similar to Greenstreck Plastic Products Style #679." 2.04 DIVISION 7 -THERMAL AND MOISTURE PROTECTION A. Section 07120 -Fluid Applied Waterproofing 1. Delete Section 07120 from the Contract Documents in its entirety. B. Section 07162 - Dampproofing 1. To Section 07162, Article 3.4, insert paragraph 3.4 to read as follows: i. " 3.4 SCHEDULE A. Headworks Building: 1. All below grade exterior walls adjacent to accessible dry spaces. B. Primary Effluent Pumping Station: 1. All below grade exterior walls adjacent to accessible dry spaces. C. UFAT Pump .Station: 1. All below grade exterior walls adjacentto accessible dry spaces. D. RAS/WAS Station No. 2: • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/22/2008 Addendum No. 3 - 2 • 1. All below grade exterior walls adjacent to accessible dry spaces. E. Bioreactor No. 2 and No. 3: 1. All exterior walls opposite interior. walls which are to receive coating in accordance with Section 09905-3.3- A-5. F. Digester Control Building No. 2: 1. All below grade exterior walls adjacent to accessible dry spaces. G. Utilidor: 1. All below grade exterior surfaces. H. Administration and Laboratory Building: 1. All below grade exterior surfaces." 2.05 DIVISION 15 -MECHANICAL A. Section 15062 -Pipe: Ductile 1. To Section 15062, Article 1.2, insert paragraph B and C to read as follows: i. "B. All grooved joint couplings, fittings, valves, and specialties shall be the products of a single manufacturer. Grooving tools shall be of the same manufacturer as the grooved components." ii. "C. All castings used for coupling housings, fittings, valve bodies, etc., shall be date stamped for quality assurance and traceability." • 2. To Section 15062, Article 2.1.A.3, delete paragraph and replace with the following: i. " 3. Mechanical coupling: a) Victaulic (31 and 307 transition coupling). b) Or engineer approved equal. 3. To Section 15062, Article 2.1.A, insert paragraph 10 to read as follows: i. "10. Split-sleeve coupling and flange adaptors: a) Victaulic Depend-O-Lok. b) Or engineer approved equal. 4. To Section 15062, Article 2.2.B, insert paragraph 4 to read as follows: i. "4. Grooved end fittings: a) AWWA C606 grooved ends. b) ASTM A536 ductile iron for 350 psi applications to 12 IN and 250 psi applications for 14IN and larger. c) AWWA/ANSI Cl 10/A21.10 for center-to-end dimensions. d) AWWA/ANSI C110/A21.10 or AWWA C153 for wall thickness. e) Basis of design: Victaulic AWWA fittings. 5. To Section 15062, Article 2.2.E, delete paragraph and replace with the following: i. "E. If mechanical coupling system is used, utilize pipe thickness and grade in accordance with AWWA C606 and coupling manufacturer's written recommendations." 6. To Section 15062, Article 2.3.A, delete paragraph 3 and replace with the • following: 00...60746 Bozeman WRF Phase I Improvements Project 9/222008 Addendum No. 3 - 3 i. " 3. Mechanical grooved joint couplings: • a) Use of mechanical couplings and fittings in lieu of flanged joints is acceptable where specifically specified in Section 15060. Utilize units defined in Article 2.1. b) Unit consisting of two or more ASTM A536 ductile iron housing segments manufactured to AWWA ductile iron pipe dimensions, F1ushSeal® pressure responsive elastomer gasket, and zinc- electroplated steel bolts and nuts. Basis of Design: Victaulic Style 31, or equal. c) For direct connection to IPS steel pipe sizes, grooved joint transition couplings with two ASTM A536 ductile iron housing segments cast with offsetting angle-pattern bolt pads, F1ushSeal® pressure responsive elastomer gasket, and zinc-electroplated steel bolts and nuts, maybe used. Basis of Design: Victaulic Style 307. d) For direct connection to ANSI Class 125 flanged components, grooved joint flange adaptors may be used. The flange adaptors shall be flat face, with ductile iron housings and elastomer pressure responsive gasket, Victaulic Style 341, or equal." 7. To Section 15062, Article 2.3.A, insert paragraph 4 to read as follows: i. "4. Split-sleeve coupling and flange adaptors: a) Unit consisting of formed steel (or stainless steel) double-arched housing, closure plates, restraint rings (where required), and elastomer O-ring seals. • b) Provide units in lieu of sleeve-type couplings. c) Supply flange adapters meeting standards of adjolmng flanges; Victaulic Depend-O-Lok FLG x E, or equal. d) Entire assembly to be rated for test pressure specified on piping schedule for each respective application. e) Provide field coating for buried couplings per AWWA C203. f) Basis of Design: Victaulic Depend-O-Lok, or equal." 8. To Section 15062, Article 3.1.D.1, delete paragraph and replace with the following: i. "1: Arrange piping so that.pipe ands are. in full: contact or as recommended by the coupling manufacturer." 9. To Section 15062, Article 3.1.D, insert paragraph 4 to read as follows: i. "4. The grooved coupling manufacturer's factory trained representative shall provide on-site training for contractor's field personnel in the installation of grooved joint products. The representative shall periodically visit the jobsite and review contractor is following best recommended practices in grooved product installation. (A distributor's representative is not considered qualified to conduct the training or jobsite visit(s).)" l0. To Section 15062, Article 3.1, insert paragraph J to read. as .follows: i. "J. Joining Method- Split-Sleeve Coupling Joint: • (10...60746 Bozeman WRF Phase I Improvements Project 9/22/2008 Addendum No. 3 - 4 ,~ 1. Split-sleeve (Depend-O-Lok, or equal) couplings shall be installed in strict accordance with the latest published instructions of Victaulic Company. 2. Each coupling shall be thoroughly cleaned prior to installation. (Particular attention shall be given to the gasket sealing surfaces.) 3. In no case shall the deflection in the joint between the pipe ends exceed the maximum deflection for the coupling as recommended by the manufacturer. 4. Tighten all bolts and studs to secure uniform gasket compression between the housing and the pipe. (Bolts shall be tightened uniformly.) Installation is complete when the housing is in uniform contact around the circumference of the pipe." B. 15100 -Valves -Basic Requirements 1. To Section 15100, Article 2.3.F.1.e, delete the paragraph and replace with the following: i. "e. Furnish electric actuator integral with valve consisting of: (1) Motor. (2) Gearing. (3) Handwheel. (4) Electronic limit and torque sensors. (5) Oil bath. • (6) Wiring. (7) Terminals for motor power and controls. (8) Drive unit. (9) Motor starters. (10) Digital controller. (11) Stem protection." 2. To Section 15100, Article 2.3.F.l.d, delete the paragraph from the Contract Documents. 3. To Section 15100, Article 2.3.F.7, delete the paragraph and replace with the following: i. "7. Position Sensor: ~) Torque add turnslimitatiod to be adjusted as follows: (1) Position setting range: 2 %2 to 100,000 turns, with resolution to 7 '/s degrees of actuator output, using non-contacting position encoder. (2) Torque setting: 40% to 100% rated torque.. b) The electric circuit diagram of the actuator should not vary with the valve type remaining identical regardless of whether the valve is to open or close on torque or position limit." 4. To Section 15100, Article 2.3.F.8, delete the paragraph from the Contract Documents. 5. To Section 15100, Article 2.3.F.9.f.5, delete the paragraph from the Contract Documents. . 6. To Section 15100, Article 2.3.F.1 l .e.3, delete the paragraph and replace with the following: 00...60746 Bozeman WRF Phase 1 hnprovements Project 9/22/2008 Addendum No. 3 - 5 7. " 3) 4-20 mA Current Position Transmitter (CPT) output. C. 15115 -Water Control Gates 1. To Section 15115, Article 3.1, Water Control Gates Equipment Schedule, delete equipment items 204-SUG-O1 through 204-SUG-04 and replace with the following: i. "204-SDG-Ol Slide FM 48"x48" 18/16 SC HC, RS CN No ii. 204-SDG-02 Slide FM 48"x48" 18/16 SC HC,RS CN No iii. 204-SDG-03 Slide FM 48"x48" 18/16 SC HC,RS CN No iv. 204-SDG-04 Slide FM 48"x48" 18/16 SC HC,RS CN No" 2.06 DIVISION 16 -ELECTRICAL A. Section 16682 -Active Harmonic Filters 1. To Section 1.6682, Article 2.1.A; insert paragraph 3 to read as follows: i. " 3. StacoSine (425) 820-8660." 2. To Section 16682, Article 1.4, insert paragraph B to read as follows: i. "B. Two Active Harmonic Conditioners with current rating of 170 Amperes each shall be connected to 300-MCC-O1. One shall be fed from a 225 A breaker on Bus A; the other shall be fed from a 225 A breaker on Bus B. Each Active Harmonic Conditioner shall have a set of two CTs for current sensing on the bus. Contractor shall supply and install all required conduit, cabling, and equipment associated with the Active Harmonic Conditioners and their feeder breakers on Bus A and Bus B of 300-MCC-01. The tie breaker is normally open. The two Active • Harmonic Conditioners are also required to function when the tie breaker is closed; they are required to operate independently and not interfere with one another." PART 3 -PROJECT DRAWINGS 3.01 SHEET OOOOC24 A. Section A -Add 4"-BV tag to the ball valve located on the 4-DG pipeline inside the vault. 3.02 SHEET 0203E01 A. Add the following note to the drawing: 1. " 2: Please note that block outs are required for the MCC and control panels; see Specification Section 01800-3.1.B." 3.03 SHEET 0204E04 A. Add the following note to the drawing: 1. "7. Please note that block outs are required for the MCG and control panels; see Specification Section 01800-3.1.B." • (?0...60746 Bozeman WRF Phase 1 Improvements Project 9!22/2008 Addendum No. 3 - 6 • 3.04 SHEET 0300E01 A. The active harmonic conditioners added to Bus A and Bus B of 300-MCC-Ol shall be located side-by-side in the location formerly occupied by the VFD Cabinet and Turbine Compressor No. 3 of MCC-AA, Section 2. Merge appropriately into construction sequencing. 3.05 SHEET 0300E03 A. Add (1) 225A breaker and 170A-rated active harmonic conditioner to Bus A: • B. Add (1) 225A breaker and 170A-rated active harmonic conditioner to Bus B: ,~ ~. ~~ f~hv 3.06 SHEET 0311 SO 1 A. Upper Level Plan- Delete "Aluminum" from the "Aluminum Weir Gate, Typ" .tag. 3.07 SHEET 0311 S02 A. Section B- Delete "Aluminum" from the "Aluminum Weir Gate, Typ" tag. • 00...60746 Bozeman WRF Phase 1 Improvements Project 9/22/2008 Addendum No. 3 - 7 3.08 SHEET 0800D01 A. Add the following language to the end of Key Note 5: 1. "Include in bid a length of 100 feet of 3/4 IN Schedule 80 PVC pipe for connecting new Foam Separator to existing NPW system. Install above floor 4 IN overflow drain piping from each foam separator to the center of room and then cut notch in existing concrete floor and run combined 4 IN overflow drain to existing drain sump located along the west wall. Fill notch with concrete in accordance with Section 03311. Include. in bid a length of 60 feet of 4 IN drain piping and four above floor cleanouts for connecting new Foam Separator to drain system." 3.09 SHEET 1100E04 A. Add the following note to the drawing: 1. "4. Please note that block outs are required for the MCC and control panel; see Specification Section 01800-3.1.B." 3.10 SHEET 1400E10 A. Add the following to the end of Note 6: 1. "A switchboard supplier may propose a main service circuit breaker and generator circuit breaker equipped with three poles if the supplier provides a complete ground fault sensing system which accurately functions whether power is being fed from the utility or from the standby generator." 3.11 SHEET 1400E31 A. Tie breaker between Bus A and Bus B should be 1 OOOA, not 200A. 3.12 STANDARD DETAIL 03311-07 A. Change note pointing to waterstop to read as follows: 1. "Ribbed-type flat PVC waterstop, typical all joints. Bulb-type at all expansion joints and flat strip-type at all other joints unless noted otherwise." 3.13 STANDARD DETAIL 11060-03 A. Delete valve reference "''/2" V-600" and replace with "'/~" Butterfly Valve". B. Delete valve reference "'/2" V-102 (SST)" and replace with "'/2" Butterfly Valve". END OF ADDENDUM N0.3 • • 00...60746 Bozeman WRF Phase 1 Improvements Project 9!22/2008 Addendum No. 3 - 8