HomeMy WebLinkAbout2014 Boger Boiler Repair: Invite to BidCITY OF BOZEMAN, MONTANA
INVITATION TO BID
NOTICE IS HEREBY GIVEN that the City of Bozeman, Montana, is accepting sealed bids for
the:
CITY OF BOZEMAN BOGERT POOL BOILER REPLACEMENT PROJECT
Sealed bids for structural and component improvements to the City of Bozeman’s BOGERT
SWIMMING POOL will be received by the City Clerk, City Hall, 121 N. Rouse Avenue, P.O.
Box 1230, Bozeman, Montana 59771-1230 until 2:00 p.m., mountain standard time,
Tuesday, January 28th, 2014, and then publicly opened and read aloud.
Please write the name of the project: BOGERT POOL BOILER REPLACEMENT on the
front of the sealed bid.
The physical address is:
City Clerk’s Office, Suite 102, City Hall, 121 N. Rouse Avenue, Bozeman, Montana.
The mailing address is:
City Clerk’s Office, Suite 102, City Hall, P.O. Box 1230, Bozeman, Montana, 59771.
Bids must be received before 2:00 p.m. Tuesday, January 28th, 2014. Original copies must be
submitted – no faxed of electronic bids will be accepted. Bids will be opened and read following
the close of bids.
The project is detailed in the Instructions to Bidders, Bid Specifications, Bid Form, and
Construction Agreement. This project is for removal of the existing boiler and replacement with
new high efficiency boilers.
Pre-Bid walk through will be held on January 21st, 2014 at 2:30 pm at Bogert Pool.
Further requirements for this project including the Instructions to Bidders, Bid Specifications,
Bid Form, and Construction Agreement may be obtained at the office of the City Clerk, City
Hall, 121 North Rouse, Suite 102, Bozeman, Montana 59771, telephone number (406) 582-
2320, by e-mail at agenda@bozeman.net, or interest parties may download the project
requirements at www.bozeman.net under the “Business” tab, and the RFP/BID drop down menu.
As required by the Instructions to Bidders, any entity submitting a bid under this invitation must
sign and return the required affirmation stating that they will not discriminate on the basis of
race, color, religion, creed, sex, age, marital status, national origin, or because of actual or
perceived sexual orientation, gender identity or disability in the performance of the work under
this invitation should it be awarded to that entity. Each entity submitting under this invitation
shall also recognize in writing the eventual Construction Agreement will contain a provision
prohibiting discrimination as described above and this prohibition on discrimination shall apply
to the hiring and treatment of the Contractor’s employees and to all subcontracts.
Also as required by the Instructions to Bidders, each bid or proposal must be accompanied by a
Certified Check, Cashier's Check, or Bid Bond payable to the City of Bozeman, Montana, in an
amount not less than ten percent (10%) of the total amount of the bid.
No bid may be withdrawn after the scheduled time for the public opening of bids, which is 2:00
p.m. local time, Tuesday, January 28th, 2014.
The City reserves the right to reject any or all bids received, to waive informalities, to postpone
the award for a period of not to exceed Sixty (60) days, and to accept the bid which is in the best
interests of the City.
Dated at Bozeman, Montana, this 3rd day of January, 2014
Stacy Ulmen, CMC
City Clerk, City of Bozeman
Published Bozeman, Montana
January 12th, 2014
January19th,2014
TABLE OF CONTENTS
BOGERT POOL HEATER REPLACEMENT
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SECTION TITLE
DIVISION 22 – PLUMBING
SECTION 22 0519 Meters and Gages for Plumbing Piping
SECTION 22 0523 General Duty Valves for Plumbing Piping
SECTION 22 0529 Hangers and Supports for Plumbing Piping and Equipment
SECTION 22 0548 Vibration and Seismic Controls for Plumbing Piping and
Equipment
SECTION 22 1116 Domestic Water Piping
SECTION 22 5113 Swimming Pool Piping
SECTION 22 5118 Swimming Pool Heating Equipment
DIVISION 23 – MECHANICAL
SECTION 23 1123 Facility Natural-Gas Piping
DIVISION 26 – ELECTRICAL
SECTION 26 0519 Low-Voltage Electrical Power Conductors and Cables
SECTION 26 0526 Grounding and Bonding for Electrical Systems
SECTION 26 0533 Raceways and Boxes for Electrical Systems
END OF TABLE OF CONTENTS
SECTION 22 0519
DIVISION 22 – PLUMBING METERS AND GAGES FOR PLUMBING PIPING
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PART 1 GENERAL
1.01 SUMMARY
A. Section Includes:
1. Bimetallic-actuated thermometers.
2. Thermowells.
3. Dial-type pressure gages.
4. Gage attachments.
1.02 ACTION SUBMITTALS
A. Product Data: For each type of product indicated.
1.03 CLOSEOUT SUBMITTALS
A. Operation and maintenance data.
PART 2 PRODUCTS
2.01 BIMETALLIC-ACTUATED THERMOMETERS
A. Manufacturers: Subject to compliance with requirements, provide products by
one of the following:
1. Ashcroft Inc.
2. Ernst Flow Industries.
3. Marsh Bellofram.
4. Miljoco Corporation.
5. Nanmac Corporation.
6. Noshok.
7. Palmer Wahl Instrumentation Group.
8. REOTEMP Instrument Corporation.
9. Tel-Tru Manufacturing Company.
10. Trerice, H. O. Co.
11. Watts Regulator Co.; a div. of Watts Water Technologies, Inc.
12. Weiss Instruments, Inc.
13. WIKA Instrument Corporation - USA.
14. Winters Instruments - U.S.
B. Standard: ASME B40.200.
C. Case: Liquid-filled and sealed type(s); stainless steel with 3-inch nominal
diameter.
D. Dial: Nonreflective aluminum with permanently etched scale markings and
scales in deg F.
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E. Connector Type(s): Union joint, adjustable angle, with unified-inch screw
threads.
F. Connector Size: 1/2 inch, with ASME B1.1 screw threads.
G. Stem: 0.25 or 0.375 inch in diameter; stainless steel.
H. Window: Plain glass.
I. Ring: Stainless steel.
J. Element: Bimetal coil.
K. Pointer: Dark-colored metal.
L. Accuracy: Plus or minus 1 percent of scale range.
2.02 THERMOWELLS
A. Thermowells:
1. Standard: ASME B40.200.
B. Description: Pressure-tight, socket-type fitting made for insertion into piping tee
fitting.
C. Material for Use with Copper Tubing: CNR or CUNI.
D. Material for Use with Steel Piping: CRES or CSA.
E. Type: Stepped shank unless straight or tapered shank is indicated.
F. External Threads: NPS 1/2, NPS 3/4, or NPS 1, ASME B1.20.1 pipe threads.
G. Internal Threads: 1/2, 3/4, and 1 inch, with ASME B1.1 screw threads.
H. Bore: Diameter required to match thermometer bulb or stem.
I. Insertion Length: Length required to match thermometer bulb or stem.
J. Lagging Extension: Include on thermowells for insulated piping and tubing.
K. Bushings: For converting size of thermowell's internal screw thread to size of
thermometer connection.
L. Heat-Transfer Medium: Mixture of graphite and glycerin.
2.03 PRESSURE GAGES
A. Direct-Mounted, Metal-Case, Dial-Type Pressure Gages:
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1. Manufacturers: Subject to compliance with requirements, provide
products by one of the following:
a. AMETEK, Inc.; U.S. Gauge.
b. Ashcroft Inc.
c. Ernst Flow Industries.
d. Flo Fab Inc.
e. Marsh Bellofram.
f. Miljoco Corporation.
g. Noshok.
h. Palmer Wahl Instrumentation Group.
i. REOTEMP Instrument Corporation.
j. Tel-Tru Manufacturing Company.
k. Trerice, H. O. Co.
l. Watts Regulator Co.; a div. of Watts Water Technologies, Inc.
m. Weiss Instruments, Inc.
n. WIKA Instrument Corporation - USA.
o. Winters Instruments - U.S.
2. Standard: ASME B40.100.
B. Case: Liquid-filled Sealed type(s); cast aluminum or drawn steel; 4-1/2-inch
nominal diameter.
C. Pressure-Element Assembly: Bourdon tube unless otherwise indicated.
D. Pressure Connection: Brass, with NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe
threads and bottom-outlet type unless back-outlet type is indicated.
E. Movement: Mechanical, with link to pressure element and connection to pointer.
F. Dial: Nonreflective aluminum with permanently etched scale markings graduated
in psi.
G. Pointer: Dark-colored metal.
H. Window: Glass or plastic.
I. Ring: Metal.
J. Accuracy: Grade B, plus or minus 2 percent of middle half of scale range.
2.04 GAGE ATTACHMENTS
A. Snubbers: ASME B40.100, brass; with NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe
threads and piston-type surge-dampening device. Include extension for use on
insulated piping.
B. Valves: Brass or stainless-steel needle, with NPS 1/4 or NPS 1/2,
ASME B1.20.1 pipe threads.
SECTION 22 0519
DIVISION 22 – PLUMBING METERS AND GAGES FOR PLUMBING PIPING
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PART 3 EXECUTION
3.01 INSTALLATION
A. Install thermowells with socket extending to center of pipe and in vertical position
in piping tees.
B. Install thermowells of sizes required to match thermometer connectors. Include
bushings if required to match sizes.
C. Install thermowells with extension on insulated piping.
D. Fill thermowells with heat-transfer medium.
E. Install direct-mounted thermometers in thermowells and adjust vertical and tilted
positions.
F. Install remote-mounted thermometer bulbs in thermowells and install cases on
panels; connect cases with tubing and support tubing to prevent kinks. Use
minimum tubing length.
G. Install direct-mounted pressure gages in piping tees with pressure gage located
on pipe at the most readable position.
H. Install valve and snubber in piping for each pressure gage for fluids.
I. Install thermometers in the following locations:
1. Inlet and outlet of each pool water heater.
J. Install meters and gages adjacent to machines and equipment to allow service
and maintenance of meters, gages, machines, and equipment.
K. Adjust faces of meters and gages to proper angle for best visibility.
3.02 THERMOMETER SCHEDULE
A. Thermometers at inlet and outlet of each pool water heater shall be the following:
1. Liquid-filled Sealed, bimetallic-actuated type.
B. Thermometer stems shall be of length to match thermowell insertion length.
3.03 THERMOMETER SCALE-RANGE SCHEDULE
A. Scale Range for Pool Water Piping: 25 to 125 deg F.
3.04 PRESSURE-GAGE SCHEDULE
A. Pressure gages at suction and discharge of each pump shall be the following:
SECTION 22 0519
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1. Liquid-filled Sealed, direct-mounted, metal case.
3.05 PRESSURE-GAGE SCALE-RANGE SCHEDULE
A. Scale Range for Water Piping: 0 to 160 psi.
END OF SECTION 22 0519
SECTION 22 0523
DIVISION 22 – PLUMBING GENERAL-DUTY VALVES FOR PLUMBING PIPING
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PART 1 GENERAL
1.01 SUMMARY
A. Section Includes:
1. Single-flange butterfly valves for pool service.
1.02 ACTION SUBMITTALS
A. Product Data: For each type of valve indicated.
1.03 QUALITY ASSURANCE
A. NSF Compliance: NSF 50 for pool and spa water service.
PART 2 PRODUCTS
2.01 GENERAL REQUIREMENTS FOR VALVES
A. Valve Pressure and Temperature Ratings: Not less than indicated and as
required for system pressures and temperatures.
B. Valve Sizes: Same as upstream piping unless otherwise indicated.
C. Valve Actuator Types:
1. Gear Actuator: For quarter-turn valves NPS 8 and larger.
2. Handwheel: For valves other than quarter-turn types.
D. Valve-End Connections:
1. Flanged: With flanges according to ASME B16.5.
2.02 BRONZE BALL VALVES
A. Two-Piece, Full-Port, Bronze Ball Valves with Bronze Trim:
1. Manufacturers: Subject to compliance with requirements, available
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. American Valve, Inc.
b. Conbraco Industries, Inc.; Apollo Valves.
c. Milwaukee Valve Company.
d. NIBCO INC.
e. Red-White Valve Corporation.
f. Watts Regulator Co.; a division of Watts Water Technologies, Inc.
2. Description:
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a. Standard: MSS SP-110.
b. SWP Rating: 150 psig.
c. CWP Rating: 600 psig.
d. Body Design: Two piece.
e. Body Material: Bronze.
f. Ends: Threaded.
g. Seats: PTFE or TFE.
h. Stem: Bronze.
i. Ball: Chrome-plated brass.
j. Port: Full.
2.03 TRUE-UNION BALL VALVES
A. 230 psig pressure rating, PVC, True-Union Ball Valves with PTFE Seat and
elastomeric backing cushions to provide smooth even stem torque and to
compensate for wear, suitable for chlorinated water applications in commercial
pool service:
1. Manufacturers: Subject to compliance with requirements, available
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Asahi-America.
b. Astral Pool.
c. Ipex, Inc.
d. Spears Mfg.
2. Description:
a. Pressure Rating: 230 psig at 70-deg F.
b. Body Design: Full bore; two-way blocking capability.
c. Body Material: PVC.
d. Seat and Seals: EPDM or FKM with seals with PTFE seats. PTFE
seats shall have elastomeric backing cushion of the same material
as the valve seals.
e. Stem: Double O-rings, blowout-proof design.
f. Material: PVC conforming to ASTM D1784 Cell Classification
12454-A.
2.04 SINGLE-FLANGE BUTTERFLY VALVES
A. 150 CWP, PVC, Single-Flange Butterfly Valves with EPDM/Viton Seat and PVC
Disc, suitable for chlorinated water applications in commercial pool service:
1. Manufacturers: Subject to compliance with requirements, available
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Asahi-America.
b. Astral Pool.
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c. Ipex, Inc.
d. Spears Mfg.
2. Description:
a. CWP Rating: 150 psig.
b. Body Design: Lug type; suitable for bidirectional dead-end service
at rated pressure without use of downstream flange.
c. Body Material: PVC.
d. Seat and Seals: EPDM or Viton.
e. Stem: One- or two-piece stainless steel, non-wetted.
f. Disc: PVC.
PART 3 EXECUTION
3.01 VALVE INSTALLATION
A. Install valves with unions or flanges at each piece of equipment arranged to allow
service, maintenance, and equipment removal without system shutdown.
B. Locate valves for easy access and provide separate support where necessary.
C. Install valves in horizontal piping with stem at or above center of pipe.
D. Install valves in position to allow full stem movement.
3.02 ADJUSTING
A. Adjust or replace valve packing after piping systems have been tested and put
into service but before final adjusting and balancing. Replace valves if persistent
leaking occurs.
3.03 GENERAL REQUIREMENTS FOR VALVE APPLICATIONS
A. If valve applications are not indicated, use the following:
1. Shutoff Service: Butterfly valves.
2. Throttling Service: Butterfly valves.
B. If valves with specified SWP classes or CWP ratings are not available, the same
types of valves with higher SWP class or CWP ratings may be substituted.
C. Select valves, except wafer types, with the following end connections:
1. For PVC Piping, NPS 3 and Smaller: True-Union ends.
2. For PVC Piping, NPS 4 and Larger: Flanged ends
END OF SECTION 22 0523
SECTION 22 0529
HANGERS AND SUPPORTS FOR
DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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PART 1 GENERAL
1.01 SUMMARY
A. This Section includes the following:
1. Steel pipe hangers and supports.
2. Trapeze pipe hangers.
3. Thermal-hanger shield inserts.
1.02 DEFINITIONS
A. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe
Hangers and Supports."
1.03 PERFORMANCE REQUIREMENTS
A. Design supports for multiple pipes capable of supporting combined weight of
supported systems, system contents, and test water.
B. Design equipment supports capable of supporting combined operating weight of
supported equipment and connected systems and components.
C. Design seismic-restraint hangers and supports for piping and equipment and
obtain approval from authorities having jurisdiction.
1.04 SUBMITTALS
A. Product Data: For the following:
1. Steel pipe hangers and supports.
2. Thermal-hanger shield inserts.
3. Powder-actuated fastener systems.
PART 2 PRODUCTS
2.01 MANUFACTURERS
A. In other Part 2 articles where titles below introduce lists, the following
requirements apply to product selection:
1. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, manufacturers specified.
2. Manufacturers: Subject to compliance with requirements, provide
products by one of the manufacturers specified.
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DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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2.02 STEEL PIPE HANGERS AND SUPPORTS
A. Description: MSS SP-58, Types 1 through 58, factory-fabricated components.
Refer to Part 3 "Hanger and Support Applications" Article for where to use
specific hanger and support types.
B. Manufacturers:
1. AAA Technology & Specialties Co., Inc.
2. Bergen-Power Pipe Supports.
3. B-Line Systems, Inc.; a division of Cooper Industries.
4. Carpenter & Paterson, Inc.
5. Empire Industries, Inc.
6. ERICO/Michigan Hanger Co.
7. Globe Pipe Hanger Products, Inc.
8. Grinnell Corp.
9. GS Metals Corp.
10. National Pipe Hanger Corporation.
11. PHD Manufacturing, Inc.
12. PHS Industries, Inc.
13. Piping Technology & Products, Inc.
14. Tolco Inc.
C. Galvanized, Metallic Coatings: Pregalvanized or hot dipped.
D. Nonmetallic Coatings: Plastic coating, jacket, or liner.
E. Padded Hangers: Hanger with fiberglass or other pipe insulation pad or cushion
for support of bearing surface of piping.
2.03 TRAPEZE PIPE HANGERS
A. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support
assembly made from structural-steel shapes with MSS SP-58 hanger rods, nuts,
saddles, and U-bolts.
2.04 THERMAL-HANGER SHIELD INSERTS
A. Description: 100-psig- minimum, compressive-strength insulation insert encased
in sheet metal shield.
B. Manufacturers:
1. Carpenter & Paterson, Inc.
2. ERICO/Michigan Hanger Co.
3. PHS Industries, Inc.
4. Pipe Shields, Inc.
5. Rilco Manufacturing Company, Inc.
6. Value Engineered Products, Inc.
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C. Insulation-Insert Material for Cold Piping: Water-repellent treated, ASTM C 533,
Type I calcium silicate with vapor barrier.
D. Insulation-Insert Material for Hot Piping: Water-repellent treated, ASTM C 533,
Type I calcium silicate.
E. For Trapeze or Clamped Systems: Insert and shield shall cover entire
circumference of pipe.
F. For Clevis or Band Hangers: Insert and shield shall cover lower 180 degrees of
pipe.
G. Insert Length: Extend 2 inches beyond sheet metal shield for piping operating
below ambient air temperature.
PART 3 EXECUTION
3.01 HANGER AND SUPPORT APPLICATIONS
A. Specific hanger and support requirements are specified in Sections specifying
piping systems and equipment.
B. Comply with MSS SP-69 for pipe hanger selections and applications that are not
specified in piping system Sections.
C. Use hangers and supports with galvanized, metallic coatings for piping and
equipment that will not have field-applied finish.
D. Use nonmetallic coatings on attachments for electrolytic protection where
attachments are in direct contact with copper tubing.
E. Use padded hangers for piping that is subject to scratching.
F. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except
as specified in piping system Sections, install the following types:
1. Adjustable, Steel Clevis Hangers (MSS Type 1): For suspension of
noninsulated or insulated stationary pipes, NPS 1/2 to NPS 30.
2. Yoke-Type Pipe Clamps (MSS Type 2): For suspension of 120 to 450
deg F pipes, NPS 4 to NPS 16, requiring up to 4 inches of insulation.
3. Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For
suspension of pipes, NPS 3/4 to NPS 24, requiring clamp flexibility and
up to 4 inches of insulation.
4. Adjustable, Steel Band Hangers (MSS Type 7): For suspension of
noninsulated stationary pipes, NPS 1/2 to NPS 8.
5. U-Bolts (MSS Type 24): For support of heavy pipes, NPS 1/2 to NPS 30.
6. Pipe Saddle Supports (MSS Type 36): For support of pipes, NPS 4 to
NPS 36, with steel pipe base stanchion support and cast-iron floor flange.
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7. Single Pipe Rolls (MSS Type 41): For suspension of pipes, NPS 1 to
NPS 30, from 2 rods if longitudinal movement caused by expansion and
contraction might occur.
8. Complete Pipe Rolls (MSS Type 44): For support of pipes, NPS 2 to
NPS 42, if longitudinal movement caused by expansion and contraction
might occur but vertical adjustment is not necessary.
G. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in
piping system Sections, install the following types:
1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe
risers, NPS 3/4 to NPS 20.
2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe
risers, NPS 3/4 to NPS 20, if longer ends are required for riser clamps.
H. Saddles and Shields: Unless otherwise indicated and except as specified in
piping system Sections, install the following types:
1. Steel Pipe-Covering Protection Saddles (MSS Type 39): To fill interior
voids with insulation that matches adjoining insulation.
2. Protection Shields (MSS Type 40): Of length recommended in writing by
manufacturer to prevent crushing insulation.
3. Thermal-Hanger Shield Inserts: For supporting insulated pipe.
I. Comply with MSS SP-69 for trapeze pipe hanger selections and applications that
are not specified in piping system Sections.
3.02 HANGER AND SUPPORT INSTALLATION
A. Steel Pipe Hanger Installation: Comply with MSS SP-69 and MSS SP-89. Install
hangers, supports, clamps, and attachments as required to properly support
piping from building structure.
B. Trapeze Pipe Hanger Installation: Comply with MSS SP-69 and MSS SP-89.
Arrange for grouping of parallel runs of horizontal piping and support together on
field-fabricated trapeze pipe hangers.
1. Pipes of Various Sizes: Support together and space trapezes for smallest
pipe size or install intermediate supports for smaller diameter pipes as
specified above for individual pipe hangers.
C. Thermal-Hanger Shield Installation: Install in pipe hanger or shield for insulated
piping.
D. Install hangers and supports complete with necessary inserts, bolts, rods, nuts,
washers, and other accessories.
E. Install hangers and supports to allow controlled thermal and seismic movement
of piping systems, to permit freedom of movement between pipe anchors, and to
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facilitate action of expansion joints, expansion loops, expansion bends, and
similar units.
F. Install lateral bracing with pipe hangers and supports to prevent swaying.
G. Load Distribution: Install hangers and supports so piping live and dead loads
and stresses from movement will not be transmitted to connected equipment.
H. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and
so maximum pipe deflections allowed by ASME B31.9 (for building services
piping) are not exceeded.
I. Insulated Piping: Comply with the following:
1. Attach clamps and spacers to piping.
a. Piping Operating above Ambient Air Temperature: Clamp may
project through insulation.
b. Piping Operating below Ambient Air Temperature: Use thermal-
hanger shield insert with clamp sized to match OD of insert.
c. Do not exceed pipe stress limits according to ASME B31.9 for
building services piping.
2. Install MSS SP-58, Type 39, protection saddles if insulation without vapor
barrier is indicated. Fill interior voids with insulation that matches
adjoining insulation.
3. Install MSS SP-58, Type 40, protective shields on cold piping with vapor
barrier. Shields shall span an arc of 180 degrees.
4. Shield Dimensions for Pipe: Not less than the following:
a. NPS 1/4 to NPS 3-1/2: 12 inches long and 0.048 inch thick.
b. NPS 4: 12 inches long and 0.06 inch thick.
c. NPS 5 and NPS 6: 18 inches long and 0.06 inch thick.
d. NPS 8 to NPS 14: 24 inches long and 0.075 inch thick.
e. NPS 16 to NPS 24: 24 inches long and 0.105 inch thick.
5. Pipes NPS 8 and Larger: Include wood inserts.
6. Insert Material: Length at least as long as protective shield.
7. Thermal-Hanger Shields: Install with insulation same thickness as piping
insulation.
3.03 EQUIPMENT SUPPORTS
A. Provide lateral bracing, to prevent swaying, for equipment supports.
3.04 ADJUSTING
A. Hanger Adjustments: Adjust hangers to distribute loads equally on attachments
and to achieve indicated slope of pipe.
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END OF SECTION 22 0529
SECTION 22 0548
VIBRATION AND SEISMIC CONTROLS FOR
DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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PART 1 GENERAL
1.01 SUMMARY
A. The work in this section consists of furnishing engineering and materials
necessary for seismic restraint and vibration isolation for equipment contained
herein for the project. The seismic restraint scope as listed in this specification
shall be completed in accordance with the International Building Code and ASCE
7.
1.02 PERFORMANCE REQUIREMENTS
A. The project seismic design category is D.
B. The project importance factor Ip for the mechanical (non-structural) systems is
1.0.
C. The project design spectral response acceleration at short periods Sds is 0.60g.
1.03 ACTION SUBMITTALS
A. Product Data: For each product indicated.
B. Delegated-Design Submittal: For vibration isolation and seismic-restraint
calculations and details indicated to comply with performance requirements and
design criteria, including analysis data signed and sealed by the qualified
professional engineer responsible for their preparation.
1.04 INFORMATIONAL SUBMITTALS
A. Welding certificates.
B. Field quality-control test reports.
1.05 QUALITY ASSURANCE
A. Comply with seismic-restraint requirements in the IBC unless requirements in this
Section are more stringent.
B. Welding: Qualify procedures and personnel according to AWS D1.1/D1.1M,
"Structural Welding Code - Steel."
C. Seismic-restraint devices shall have horizontal and vertical load testing and
analysis and shall bear anchorage preapproval OPA number from OSHPD,
preapproval by ICC-ES, or preapproval by another agency acceptable to
authorities having jurisdiction, showing maximum seismic-restraint ratings.
Ratings based on independent testing are preferred to ratings based on
calculations. If preapproved ratings are not available, submittals based on
independent testing are preferred. Calculations (including combining shear and
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tensile loads) to support seismic-restraint designs must be signed and sealed by
a qualified professional engineer.
PART 1 - PRODUCTS
1.06 VIBRATION ISOLATORS
A. Basis-of-Design Product: Subject to compliance with requirements, provide the
products indicated or a comparable product by one of the following:
1. Ace Mountings Co., Inc.
2. Amber/Booth Company, Inc.
3. California Dynamics Corporation.
4. Isolation Technology, Inc.
5. Kinetics Noise Control.
6. Mason Industries.
7. Vibration Eliminator Co., Inc.
8. Vibration Isolation.
9. Vibration Mountings & Controls, Inc.
1.07 SEISMIC-RESTRAINT DEVICES
A. Basis-of-Design Product: Subject to compliance with requirements, provide the
products indicated or a comparable product by one of the following:
1. Amber/Booth Company, Inc.
2. California Dynamics Corporation.
3. Cooper B-Line, Inc.; a division of Cooper Industries.
4. Hilti, Inc.
5. Kinetics Noise Control.
6. Loos & Co.; Cableware Division.
7. Mason Industries.
8. TOLCO Incorporated; a brand of NIBCO INC.
9. Unistrut; Tyco International, Ltd.
B. General Requirements for Restraint Components: Rated strengths, features,
and applications shall be as defined in reports by an agency acceptable to
authorities having jurisdiction.
1. Structural Safety Factor: Allowable strength in tension, shear, and pullout
force of components shall be at least four times the maximum seismic
forces to which they will be subjected.
C. The following equipment shall be provided w/ vibration isolation:
SECTION 22 0548
VIBRATION AND SEISMIC CONTROLS FOR
DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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Equipment Isolator Static Deflection
Piping within 15 ft Mason seismically-compliant 1”
of pumps RW30N hanger
1. RW30N hangers by Mason Industries shall consist of rigid steel frames containing
minimum 1-1/4" thick neoprene elements at the top and a steel spring seated in a steel
washer reinforced neoprene cup on the bottom. The neoprene element and the cup shall
have neoprene bushings projecting through the steel box. In order to maintain stability
the boxes shall not be articulated as clevis hangers nor the neoprene element stacked
on top of the spring. Spring diameters and hanger box lower hole sizes shall be large
enough to permit the hanger rod to swing through a 30 arc from side to side before
contacting the cup bushing and short circuiting the spring. Rebound washer shall hold
spring in housing to be seismically-compliant.
B. The following equipment shall be provided w/ pipe flex connectors:
Equipment Connector
Pumps Mason Model Safeflex SFDEJ EPDM double-sphere
1. Mason SFDEJ EPDM double sphere connectors shall have Kevlar cord
multi-layered reinforcing. EPDM shall be peroxide-cured. Split baked
enamel ductile iron floating flanges shall be included and retention ring
shall be fully enclosed – no escape. Standard rating shall be 215 psi at
250 deg F. No other approved equals for this product.
PART 2 - EXECUTION
1.08 APPLICATIONS
A. For Seismic Design Category D with an importance factor Ip = 1.0:
1. In accordance with the International Building Code and ASCE 7, the
following piping, ductwork, or equipment is exempt from seismic controls.
a. Black iron pipe with threaded joints – NOT exempt per code.
b. PVC/CPVC pipe – NOT exempt per code.
c. Highly-deformable piping (copper, black iron w/ welded joints or
Victaulic joints, PEX, cast iron no-hub): piping 1” and smaller is
exempt if hung on individual clevis hangers where provisions are
made to protect the piping from impact or to avoid the impact of
larger piping or other mechanical equipment.
d. Hanging, wall mounted, and flexibly supported mechanical and
plumbing components that weigh 20 pounds or less, and flexible
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connections are provided between the components and
associated ductwork or piping, are exempt.
e. Piping supported by individual clevis hangers where the distance,
as measured from the top of pipe to the supporting structure, is
less than 12 inches for the entire pipe run and the pipe can
accommodate the expected deflections, are exempt. Trapeze
hung piping is exempt where the distance from the top of the
trapeze or support to the structure is less than 12 inches for the
entire run. Hanger rods shall not be constructed in a manner that
would subject the rod to bending moments (swivel, eye bolt, or
vibration isolated hanger connections to structure).
f. HVAC ducts suspended from hangers that are 12 inches or less in
length from the top of the duct to the supporting structure are
exempt where the hangers are detailed to avoid significant
bending of the hangers and their connections.
g. HVAC ducts that have a cross-sectional area of less than 6
square feet are exempt.
h. Equipment installed in-line with the duct system (e.g. fans, heat
exchangers, humidifiers, terminal boxes) with an operating weight
less than 76 pounds are exempt.
1.09 THE SEISMIC RESTRAINT MANUFACTURER SHALL:
A. Determine seismic restraint layout and sizing per IBC.
B. Provide vibration isolation materials where scheduled later in this specification.
C. Provide pipe flexible connectors where scheduled later in this specification.
D. Provide installation instructions and shop drawings for all materials supplied
under this specification.
E. Provide a submittal package including calculations to determine seismic restraint
loads resulting from seismic forces per IBC. Calculations shall be certified by
licensed engineer in the employ of the seismic equipment manufacturer with a
minimum 5 years experience. Calculations and restraint device submittal
drawings shall specify anchor bolt type, embedment, concrete compressive
strength, minimum spacing between anchors, and minimum distances of anchors
to concrete edges.
1.10 VIBRATION-CONTROL AND SEISMIC-RESTRAINT DEVICE INSTALLATION
A. Equipment Restraints:
1. Install resilient bolt isolation washers on equipment anchor bolts where
clearance between anchor and adjacent surface exceeds 0.125 inch.
2. Install seismic-restraint devices using methods approved by an agency
acceptable to authorities having jurisdiction providing required submittals
for component.
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VIBRATION AND SEISMIC CONTROLS FOR
DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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B. Piping Restraints:
1. Comply with requirements in MSS SP-127.
2. Space lateral supports a maximum of 40 feet o.c., and longitudinal
supports a maximum of 80 feet o.c.
3. Brace a change of direction longer than 12 feet.
C. Install cables so they do not bend across edges of adjacent equipment or
building structure.
D. Install seismic-restraint devices using methods approved by an agency
acceptable to authorities having jurisdiction providing required submittals for
component.
E. Install bushing assemblies for anchor bolts for floor-mounted equipment,
arranged to provide resilient media between anchor bolt and mounting hole in
concrete base.
F. Attachment to Structure: If specific attachment is not indicated, anchor bracing to
structure at flanges of beams, at upper truss chords of bar joists, or at concrete
members.
G. Drilled-in Anchors:
1. Identify position of reinforcing steel and other embedded items prior to
drilling holes for anchors. Do not damage existing reinforcing or
embedded items during coring or drilling. Notify the structural engineer if
reinforcing steel or other embedded items are encountered during drilling.
Locate and avoid prestressed tendons, electrical and telecommunications
conduit, and gas lines.
2. Do not drill holes in concrete or masonry until concrete, mortar, or grout
has achieved full design strength.
3. Wedge Anchors: Protect threads from damage during anchor installation.
Heavy-duty sleeve anchors shall be installed with sleeve fully engaged in
the structural element to which anchor is to be fastened.
4. Set anchors to manufacturer's recommended torque, using a torque
wrench.
5. Install zinc-coated steel anchors for interior and stainless-steel anchors
for exterior applications.
1.11 ACCOMMODATION OF DIFFERENTIAL SEISMIC MOTION
A. Install flexible connections in piping where they cross seismic joints, where
adjacent sections or branches are supported by different structural elements, and
where the connections terminate with connection to equipment that is anchored
to a different structural element from the one supporting the connections as they
approach equipment.
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DIVISION 22 – PLUMBING PLUMBING PIPING AND EQUIPMENT
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1.12 FIELD QUALITY CONTROL
A. Perform tests and inspections.
B. Tests and Inspections:
1. Provide evidence of recent calibration of test equipment by a testing
agency acceptable to authorities having jurisdiction.
2. Schedule test with Owner, through Architect, before connecting
anchorage device to restrained component (unless postconnection testing
has been approved), and with at least seven days' advance notice.
3. Obtain Architect's approval before transmitting test loads to structure.
Provide temporary load-spreading members.
4. Test at least four of each type and size of installed anchors and fasteners
selected by Architect.
5. Test to 90 percent of rated proof load of device.
6. Measure isolator restraint clearance.
7. Measure isolator deflection.
8. If a device fails test, modify all installations of same type and retest until
satisfactory results are achieved.
C. Remove and replace malfunctioning units and retest as specified above.
D. Prepare test and inspection reports.
1.13 ADJUSTING
A. Adjust isolators after piping system is at operating weight.
B. Adjust limit stops on restrained spring isolators to mount equipment at normal
operating height. After equipment installation is complete, adjust limit stops so
they are out of contact during normal operation.
C. Adjust active height of spring isolators.
D. Adjust restraints to permit free movement of equipment within normal mode of
operation.
1.14 PLUMBING VIBRATION-CONTROL AND SEISMIC-RESTRAINT DEVICE SCHEDULE
A. Equipment:
1. Pumps.
B. Piping.
END OF SECTION 22 0548
SECTION 22 1116
DIVISION 22 – PLUMBING DOMESTIC WATER PIPING
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PART 1 GENERAL
1.01 SUMMARY
A. Section includes under-building-slab and aboveground domestic water pipes,
tubes, and fittings inside buildings.
1.02 PERFORMANCE REQUIREMENTS
A. Seismic Performance: Domestic water piping and support and installation shall
withstand the effects of earthquake motions determined according to
ASCE/SEI 7.
1.03 ACTION SUBMITTALS
A. Product Data: For piping to be used, transition fittings, and dielectric fittings.
1.04 INFORMATIONAL SUBMITTALS
A. Seismic Qualification Certificates: For domestic water piping, accessories, and
components, from manufacturer.
B. System purging and disinfecting activities report.
C. Field quality-control reports.
PART 2 PRODUCTS
2.01 PIPING MATERIALS
A. Comply with requirements in "Piping Schedule" Article and the schedule on the
drawings for applications of pipe, tube, fitting materials, and joining methods for
specific services, service locations, and pipe sizes.
B. Potable-water piping and components shall comply with NSF 14 and NSF 61.
Plastic piping components shall be marked with "NSF-pw."
2.02 COPPER TUBE AND FITTINGS
A. Hard Copper Tube: ASTM B 88, Type L water tube, drawn temper.
B. Soft Copper Tube: ASTM B 88, Type L water tube, annealed temper.
C. Cast-Copper, Solder-Joint Fittings: ASME B16.18, pressure fittings.
D. Wrought-Copper, Solder-Joint Fittings: ASME B16.22, wrought-copper pressure
fittings.
E. Bronze Flanges: ASME B16.24, Class 150, with solder-joint ends.
F. Copper Unions:
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1. MSS SP-123.
2. Cast-copper-alloy, hexagonal-stock body.
3. Ball-and-socket, metal-to-metal seating surfaces.
4. Solder-joint ends.
G. Copper Pressure-Seal-Joint Fittings:
1. Fittings for NPS 2 and Smaller: Soldered end joints. No mechanical or
“Pro-fit” joints.
2. Fittings for NPS 2-1/2 to NPS 4: Cast-bronze or wrought-copper fitting
with EPDM-rubber, O-ring seal in each end.
2.03 PIPING JOINING MATERIALS
A. Pipe-Flange Gasket Materials:
1. AWWA C110/A21.10, rubber, flat face, 1/8 inch thick or ASME B16.21,
nonmetallic and asbestos free unless otherwise indicated.
2. Full-face or ring type unless otherwise indicated.
B. Metal, Pipe-Flange Bolts and Nuts: ASME B18.2.1, carbon steel unless
otherwise indicated.
C. Solder Filler Metals: ASTM B 32, lead-free alloys.
D. Flux: ASTM B 813, water flushable.
E. Brazing Filler Metals: AWS A5.8/A5.8M, BCuP Series, copper-phosphorus alloys
for general-duty brazing unless otherwise indicated.
F. Plastic, Pipe-Flange Gaskets, Bolts, and Nuts: Type and material recommended
by piping system manufacturer unless otherwise indicated.
2.04 TRANSITION FITTINGS
A. General Requirements:
1. Same size as pipes to be joined.
2. Pressure rating at least equal to pipes to be joined.
3. End connections compatible with pipes to be joined.
B. Fitting-Type Transition Couplings: Manufactured piping coupling or specified
piping system fitting.
2.05 DIELECTRIC FITTINGS
A. General Requirements: Assembly of copper alloy and ferrous materials with
separating nonconductive insulating material. Include end connections
compatible with pipes to be joined.
B. Dielectric Unions:
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1. Manufacturers: Subject to compliance with requirements, provide
products by one of the following:
a. Capitol Manufacturing Company; member of the Phoenix Forge
Group.
b. Central Plastics Company.
c. Hart Industries International, Inc.
d. Jomar International.
e. Matco-Norca.
f. McDonald, A. Y. Mfg. Co.
g. Watts; a division of Watts Water Technologies, Inc.
h. Wilkins; a Zurn company.
2. Standard: ASSE 1079.
3. Pressure Rating: 250 psig.
4. End Connections: Solder-joint copper alloy and threaded ferrous.
C. Dielectric Flanges:
1. Manufacturers: Subject to compliance with requirements, provide
products by one of the following:
a. Capitol Manufacturing Company; member of the Phoenix Forge
Group.
b. Central Plastics Company.
c. Matco-Norca.
d. Watts; a division of Watts Water Technologies, Inc.
e. Wilkins; a Zurn company.
2. Standard: ASSE 1079.
3. Factory-fabricated, bolted, companion-flange assembly.
4. Pressure Rating: 175 psig.
5. End Connections: Solder-joint copper alloy and threaded ferrous;
threaded solder-joint copper alloy and threaded ferrous.
D. Dielectric-Flange Insulating Kits:
1. Manufacturers: Subject to compliance with requirements, provide
products by one of the following:
a. Advance Products & Systems, Inc.
b. Calpico, Inc.
c. Central Plastics Company.
d. Pipeline Seal and Insulator, Inc.
2. Nonconducting materials for field assembly of companion flanges.
3. Pressure Rating: 150 psig.
4. Gasket: Neoprene or phenolic.
5. Bolt Sleeves: Phenolic or polyethylene.
6. Washers: Phenolic with steel backing washers.
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E. Dielectric Nipples:
1. Manufacturers: Subject to compliance with requirements, provide
products by one of the following:
a. Elster Perfection Corporation.
b. Grinnell Mechanical Products; Tyco Fire Products LP.
c. Matco-Norca.
d. Precision Plumbing Products, Inc.
e. Victaulic Company.
2. Standard: IAPMO PS 66.
3. Electroplated steel nipple complying with ASTM F 1545.
4. Pressure Rating and Temperature: 300 psig at 225 deg F.
5. End Connections: Male threaded or grooved.
6. Lining: Inert and noncorrosive, propylene.
PART 3 EXECUTION
3.01 PIPING INSTALLATION
A. Drawing plans, schematics, and diagrams indicate general location and
arrangement of domestic water piping. Indicated locations and arrangements are
used to size pipe and calculate friction loss, expansion, and other design
considerations. Install piping as indicated unless deviations to layout are
approved on coordination drawings.
B. Install copper tubing under building slab according to CDA's "Copper Tube
Handbook."
C. Install shutoff valve immediately upstream of each dielectric fitting.
D. Install water-pressure-reducing valves downstream from shutoff valves.
E. Install domestic water piping level with 0.25 percent slope downward toward
drain or without pitch and plumb.
F. Rough-in domestic water piping for water-meter installation according to utility
company's requirements.
G. Install seismic restraints on piping. Comply with requirements for seismic-
restraint devices in Section 220548 "Vibration and Seismic Controls for Plumbing
Piping and Equipment."
H. Install piping concealed from view and protected from physical contact by
building occupants unless otherwise indicated and except in equipment rooms
and service areas.
I. Install piping indicated to be exposed and piping in equipment rooms and service
areas at right angles or parallel to building walls. Diagonal runs are prohibited
unless specifically indicated otherwise.
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J. Install piping above accessible ceilings to allow sufficient space for ceiling panel
removal, and coordinate with other services occupying that space.
K. Install piping to permit valve servicing.
L. Install nipples, unions, special fittings, and valves with pressure ratings the same
as or higher than the system pressure rating used in applications below unless
otherwise indicated.
M. Install piping free of sags and bends.
N. Install fittings for changes in direction and branch connections.
O. Install unions in copper tubing at final connection to each piece of equipment,
machine, and specialty.
P. Install sleeves for piping penetrations of walls, ceilings, and floors.
Q. Install sleeve seals for piping penetrations of concrete walls and slabs.
R. Install escutcheons for piping penetrations of walls, ceilings, and floors.
3.02 JOINT CONSTRUCTION
A. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.
B. Remove scale, slag, dirt, and debris from inside and outside of pipes, tubes, and
fittings before assembly.
C. Threaded Joints: Thread pipe with tapered pipe threads according to
ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded
pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as
follows:
1. Apply appropriate tape or thread compound to external pipe threads.
2. Damaged Threads: Do not use pipe or pipe fittings with threads that are
corroded or damaged.
D. Brazed Joints for Copper Tubing: Comply with CDA's "Copper Tube Handbook,"
"Brazed Joints" chapter.
E. Soldered Joints for Copper Tubing: Apply ASTM B 813, water-flushable flux to
end of tube. Join copper tube and fittings according to ASTM B 828 or CDA's
"Copper Tube Handbook."
F. Pressure-Sealed Joints for Copper Tubing: Join copper tube and pressure-seal
fittings with tools recommended by fitting manufacturer.
G. Flanged Joints: Select appropriate asbestos-free, nonmetallic gasket material in
size, type, and thickness suitable for domestic water service. Join flanges with
gasket and bolts according to ASME B31.9.
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H. Joints for Dissimilar-Material Piping: Make joints using adapters compatible with
materials of both piping systems.
3.03 TRANSITION FITTING INSTALLATION
A. Install transition couplings at joints of dissimilar piping.
B. Transition Fittings in Underground Domestic Water Piping:
1. Fittings for NPS 1-1/2 and Smaller: Fitting-type coupling.
2. Fittings for NPS 2 and Larger: Sleeve-type coupling.
C. Transition Fittings in Aboveground Domestic Water Piping NPS 2 and Smaller:
Plastic-to-metal transition fittings or unions.
3.04 DIELECTRIC FITTING INSTALLATION
A. Install dielectric fittings in piping at connections of dissimilar metal piping and
tubing.
B. Dielectric Fittings for NPS 2 and Smaller: Use dielectric couplings or nipples.
C. Dielectric Fittings for NPS 2-1/2 to NPS 4 : Use dielectric nipples.
D. Dielectric Fittings for NPS 5 and Larger: Use dielectric flange kits.
3.05 HANGER AND SUPPORT INSTALLATION
A. Comply with requirements for seismic-restraint devices in Section 220548
"Vibration and Seismic Controls for Plumbing Piping and Equipment."
B. Comply with requirements for pipe hanger, support products, and installation in
Section 220529 "Hangers and Supports for Plumbing Piping and Equipment."
1. Vertical Piping: MSS Type 8 or 42, clamps.
2. Individual, Straight, Horizontal Piping Runs:
a. 100 Feet and Less: MSS Type 1, adjustable, steel clevis hangers.
b. Longer Than 100 Feet: MSS Type 43, adjustable roller hangers.
c. Longer Than 100 Feet if Indicated: MSS Type 49, spring cushion
rolls.
3. Multiple, Straight, Horizontal Piping Runs 100 Feet or Longer: MSS
Type 44, pipe rolls. Support pipe rolls on trapeze.
4. Base of Vertical Piping: MSS Type 52, spring hangers.
C. Support vertical piping and tubing at base and at each floor.
D. Rod diameter may be reduced one size for double-rod hangers, to a minimum of
3/8 inch.
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E. Install hangers for copper tubing with the following maximum horizontal spacing
and minimum rod diameters:
1. NPS 3/4 and Smaller: 60 inches with 3/8-inch rod.
2. NPS 1 and NPS 1-1/4: 72 inches with 3/8-inch rod.
3. NPS 1-1/2 and NPS 2: 96 inches with 3/8-inch rod.
4. NPS 2-1/2: 108 inches with 1/2-inch rod.
5. NPS 3 to NPS 5: 10 feet with 1/2-inch rod.
6. Install supports for vertical copper tubing every 10 feet.
F. Support piping and tubing not listed in this article according to MSS SP-69 and
manufacturer's written instructions.
3.06 CONNECTIONS
A. Drawings indicate general arrangement of piping, fittings, and specialties.
B. When installing piping adjacent to equipment and machines, allow space for
service and maintenance.
C. Connect domestic water piping to water-service piping with shutoff valve; extend
and connect to the following:
1. Equipment: Cold- and hot-water-supply piping as indicated, but not
smaller than equipment connections. Provide shutoff valve and union for
each connection. Use flanges instead of unions for NPS 2-1/2 and larger.
3.07 FIELD QUALITY CONTROL
A. Perform the following tests and inspections:
1. Piping Inspections:
a. Do not enclose, cover, or put piping into operation until it has been
inspected and approved by authorities having jurisdiction.
b. During installation, notify authorities having jurisdiction at least
one day before inspection must be made. Perform tests specified
below in presence of authorities having jurisdiction:
1) Roughing-in Inspection: Arrange for inspection of piping
before concealing or closing in after roughing in and before
setting fixtures.
2) Final Inspection: Arrange for authorities having jurisdiction
to observe tests specified in "Piping Tests" Subparagraph
below and to ensure compliance with requirements.
c. Reinspection: If authorities having jurisdiction find that piping will
not pass tests or inspections, make required corrections and
arrange for reinspection.
d. Reports: Prepare inspection reports and have them signed by
authorities having jurisdiction.
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2. Piping Tests:
a. Fill domestic water piping. Check components to determine that
they are not air bound and that piping is full of water.
b. Test for leaks and defects in new piping and parts of existing
piping that have been altered, extended, or repaired. If testing is
performed in segments, submit a separate report for each test,
complete with diagram of portion of piping tested.
c. Leave new, altered, extended, or replaced domestic water piping
uncovered and unconcealed until it has been tested and
approved. Expose work that was covered or concealed before it
was tested.
d. Cap and subject piping to static water pressure of 50 psig above
operating pressure, without exceeding pressure rating of piping
system materials. Isolate test source and allow it to stand for four
hours. Leaks and loss in test pressure constitute defects that
must be repaired.
e. Repair leaks and defects with new materials, and retest piping or
portion thereof until satisfactory results are obtained.
f. Prepare reports for tests and for corrective action required.
B. Domestic water piping will be considered defective if it does not pass tests and
inspections.
C. Prepare test and inspection reports.
3.08 ADJUSTING
A. Perform the following adjustments before operation:
1. Close drain valves, hydrants, and hose bibbs.
2. Open shutoff valves to fully open position.
3. Open throttling valves to proper setting.
4. Adjust balancing valves in hot-water-circulation return piping to provide
adequate flow.
a. Manually adjust ball-type balancing valves in hot-water-circulation
return piping to provide hot-water flow in each branch.
b. Adjust calibrated balancing valves to flows indicated.
5. Remove plugs used during testing of piping and for temporary sealing of
piping during installation.
6. Remove and clean strainer screens. Close drain valves and replace
drain plugs.
7. Remove filter cartridges from housings and verify that cartridges are as
specified for application where used and are clean and ready for use.
8. Check plumbing specialties and verify proper settings, adjustments, and
operation.
SECTION 22 1116
DIVISION 22 – PLUMBING DOMESTIC WATER PIPING
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3.09 CLEANING
A. Clean and disinfect potable domestic water piping as follows:
1. Purge the entire domestic water system when completed before placing
into sevice.
2. Use purging and disinfecting procedures prescribed by authorities having
jurisdiction; if methods are not prescribed, use procedures described in
either AWWA C651 or AWWA C652 or follow procedures described
below:
a. Flush piping system with clean, potable water until dirty water
does not appear at outlets.
b. Fill and isolate system according to either of the following:
1) Fill system or part thereof with water/chlorine solution with
at least 50 ppm of chlorine. Isolate with valves and allow
to stand for 24 hours.
2) Fill system or part thereof with water/chlorine solution with
at least 200 ppm of chlorine. Isolate and allow to stand for
three hours.
c. Flush system with clean, potable water until no chlorine is in water
coming from system after the standing time.
d. Repeat procedures if biological examination shows contamination.
e. Submit water samples in sterile bottles to authorities having
jurisdiction.
B. Prepare and submit reports of purging and disinfecting activities. Include copies
of water-sample approvals from authorities having jurisdiction.
C. Clean interior of domestic water piping system. Remove dirt and debris as work
progresses.
3.10 PIPING SCHEDULE
A. Transition and special fittings with pressure ratings at least equal to piping rating
may be used in applications below unless otherwise indicated.
B. Flanges and unions may be used for aboveground piping joints unless otherwise
indicated.
C. Fitting Option: Extruded-tee connections and brazed joints may be used on
aboveground copper tubing.
D. See drawings for pipe schedule.
END OF SECTION 22 1116
SECTION 22 5113
DIVISION 22 – PLUMBING SWIMMING POOL PIPING
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PART 1 GENERAL
1.01 SUMMARY
A. Section includes aboveground chlorinated pool water pipes, tubes, and fittings
inside buildings.
1.02 ACTION SUBMITTALS
A. Product Data: For piping materials and joining methods.
PART 2 PRODUCTS
2.01 PIPING MATERIALS
A. Pool piping and components shall comply with NSF 50 for pool and spa use.
Plastic piping components shall be marked with "NSF-pw."
2.02 PVC PIPE AND FITTINGS
A. PVC Pipe: ASTM D 1785, Schedule 80.
B. PVC Socket Fittings: ASTM D 2467 for Schedule 80.
C. PVC Schedule 80 Threaded Fittings: ASTM D 2464.
D. Provide piping with UV inhibitors for exposed installations; color: gray.
2.03 PIPING JOINING MATERIALS
A. Pipe-Flange Gasket Materials:
1. AWWA C110/A21.10, rubber, flat face, 1/8 inch thick or ASME B16.21,
nonmetallic and asbestos free unless otherwise indicated.
2. Full-face or ring type unless otherwise indicated.
B. Solvent Cements for Joining PVC Piping: ASTM D 2564. Include primer
according to ASTM F 656.
C. Plastic, Pipe-Flange Gaskets, Bolts, and Nuts: Type and material recommended
by piping system manufacturer unless otherwise indicated.
D. Fused flange fittings in accordance with industry standards.
2.04 TRANSITION FITTINGS
A. General Requirements:
1. Same size as pipes to be joined.
2. Pressure rating at least equal to pipes to be joined.
3. End connections compatible with pipes to be joined.
SECTION 22 5113
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B. Fitting-Type Transition Couplings: Manufactured piping coupling or specified
piping system fitting.
C. Plastic-to-Metal Transition Fittings:
1. Manufacturers: Subject to compliance with requirements, available
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Charlotte Pipe and Foundry Company.
b. Harvel Plastics, Inc.
c. Spears Manufacturing Company.
2. Description:
a. PVC one-piece fitting with manufacturer's Schedule 80 equivalent
dimensions.
PART 3 EXECUTION
3.01 PIPING INSTALLATION
A. Drawing plans, schematics, and diagrams indicate general location and
arrangement of piping. Indicated locations and arrangements are used to size
pipe and calculate friction loss, expansion, and other design considerations.
Install piping as indicated unless deviations to layout are approved on
coordination drawings.
B. Install piping level and plumb.
C. Install seismic restraints on piping. Comply with requirements for seismic-
restraint devices in Section 22 0548 "Vibration and Seismic Controls for
Plumbing Piping and Equipment."
D. Install piping indicated to be exposed and piping in equipment rooms and service
areas at right angles or parallel to building walls. Diagonal runs are prohibited
unless specifically indicated otherwise.
E. Install piping to permit valve servicing.
F. Install nipples, unions, special fittings, and valves with pressure ratings the same
as or higher than the system pressure rating used in applications below unless
otherwise indicated.
G. Install piping free of sags and bends.
H. Install fittings for changes in direction and branch connections.
I. Install pressure gages on suction and discharge piping for each plumbing pump
and packaged booster pump. Comply with requirements for pressure gages in
Section 22 0519 "Meters and Gages for Plumbing Piping."
SECTION 22 5113
DIVISION 22 – PLUMBING SWIMMING POOL PIPING
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3.02 JOINT CONSTRUCTION
A. Ream ends of pipes and tubes and remove burrs.
B. Remove scale, slag, dirt, and debris from inside and outside of pipes, tubes, and
fittings before assembly.
C. Flanged Joints: Select appropriate asbestos-free, nonmetallic gasket material in
size, type, and thickness suitable for service. Join flanges with gasket and bolts
according to ASME B31.9.
D. Joint Construction for Solvent-Cemented Plastic Piping: Clean and dry joining
surfaces. Join pipe and fittings according to the following:
1. Comply with ASTM F 402 for safe-handling practice of cleaners, primers,
and solvent cements. Apply primer.
2. PVC Piping: Join according to ASTM D 2855.
E. Joints for Dissimilar-Material Piping: Make joints using adapters compatible with
materials of both piping systems.
3.03 TRANSITION FITTING INSTALLATION
A. Install transition couplings at joints of dissimilar piping.
3.04 HANGER AND SUPPORT INSTALLATION
A. Comply with requirements for seismic-restraint devices in Section 220548
"Vibration and Seismic Controls for Plumbing Piping and Equipment."
B. Comply with requirements for pipe hanger, support products, and installation in
Section 220529 "Hangers and Supports for Plumbing Piping and Equipment."
C. Install vinyl-coated hangers for PVC piping with the following maximum horizontal
spacing and minimum rod diameters:
1. NPS 2 and Smaller: 48 inches with 3/8-inch rod.
2. NPS 2-1/2 to NPS 3-1/2: 48 inches with 1/2-inch rod.
3. NPS 4 and NPS 5: 48 inches with 5/8-inch rod.
4. NPS 6: 48 inches with 3/4-inch rod.
5. NPS 8: 48 inches with 7/8-inch rod.
D. Install supports for vertical PVC piping every 48 inches.
E. Support piping and tubing not listed in this article according to MSS SP-69 and
manufacturer's written instructions.
3.05 CONNECTIONS
A. Drawings indicate general arrangement of piping, fittings, and specialties.
SECTION 22 5113
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B. When installing piping adjacent to equipment and machines, allow space for
service and maintenance.
3.06 FIELD QUALITY CONTROL
A. Perform the following tests and inspections:
1. Piping Inspections:
a. Do not enclose, cover, or put piping into operation until it has been
inspected and approved by authorities having jurisdiction.
b. During installation, notify authorities having jurisdiction at least
one day before inspection must be made. Perform tests specified
below in presence of authorities having jurisdiction:
1) Roughing-in Inspection: Arrange for inspection of piping
before concealing or closing in after roughing in and before
setting fixtures.
2) Final Inspection: Arrange for authorities having jurisdiction
to observe tests specified in "Piping Tests" Subparagraph
below and to ensure compliance with requirements.
c. Reinspection: If authorities having jurisdiction find that piping will
not pass tests or inspections, make required corrections and
arrange for reinspection.
d. Reports: Prepare inspection reports and have them signed by
authorities having jurisdiction.
2. Piping Tests:
a. Fill piping. Check components to determine that they are not air
bound and that piping is full of water.
b. Test for leaks and defects in new piping and parts of existing
piping that have been altered, extended, or repaired. If testing is
performed in segments, submit a separate report for each test,
complete with diagram of portion of piping tested.
c. Leave new, altered, extended, or replaced piping uncovered and
unconcealed until it has been tested and approved. Expose work
that was covered or concealed before it was tested.
d. Cap and subject piping to static water pressure of 50 psig above
operating pressure, without exceeding pressure rating of piping
system materials. Isolate test source and allow it to stand for four
hours. Leaks and loss in test pressure constitute defects that must
be repaired.
e. Repair leaks and defects with new materials, and retest piping or
portion thereof until satisfactory results are obtained.
f. Prepare reports for tests and for corrective action required.
B. Piping will be considered defective if it does not pass tests and inspections.
SECTION 22 5113
DIVISION 22 – PLUMBING SWIMMING POOL PIPING
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C. Prepare test and inspection reports.
3.07 ADJUSTING
A. Perform the following adjustments before operation:
1. Open shutoff valves to fully open position.
2. Open throttling valves to proper setting.
3. Check plumbing specialties and verify proper settings, adjustments, and
operation.
3.08 CLEANING
A. Clean and disinfect piping as follows:
1. Purge new piping and parts of existing piping that have been altered,
extended, or repaired before using.
2. Use purging and disinfecting procedures prescribed by authorities having
jurisdiction; if methods are not prescribed, use procedures described in
either AWWA C651 or AWWA C652 or follow procedures described
below:
a. Flush piping system with clean, potable water until dirty water
does not appear at outlets.
b. Fill and isolate system according to either of the following:
1) Fill system or part thereof with water/chlorine solution with
at least 50 ppm of chlorine. Isolate with valves and allow
to stand for 24 hours.
2) Fill system or part thereof with water/chlorine solution with
at least 200 ppm of chlorine. Isolate and allow to stand for
three hours.
c. Flush system with clean, potable water until no chlorine is in water
coming from system after the standing time.
d. Repeat procedures if biological examination shows contamination.
e. Submit water samples in sterile bottles to authorities having
jurisdiction.
B. Prepare and submit reports of purging and disinfecting activities. Include copies
of water-sample approvals from authorities having jurisdiction.
C. Clean interior of piping system. Remove dirt and debris as work progresses.
END OF SECTION 22 5113
SECTION 22 5118
DIVISION 22 – PLUMBING SWIMMING POOL HEATING EQUIPMENT
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PART 1 GENERAL
1.01 SUMMARY
A. This Section includes packaged, factory-fabricated and -assembled, gas-fired,
condensing pool heaters, trim, and accessories for heating pool water.
1.02 ACTION SUBMITTALS
A. Product Data: Include performance data, operating characteristics, furnished
specialties, and accessories.
1.03 INFORMATIONAL SUBMITTALS
A. Manufacturer Seismic Qualification Certification: Submit certification that boiler,
accessories, and components will withstand seismic forces defined in
Section 220 548 "Vibration and Seismic Controls for Plumbing Piping and
Equipment."
B. Field quality-control test reports.
1.04 CLOSEOUT SUBMITTALS
A. Operation and maintenance data.
1.05 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
B. ASME Compliance: Fabricate and label boilers to comply with ASME Boiler and
Pressure Vessel Code.
C. ASHRAE/IESNA 90.1 Compliance: Boilers shall have minimum efficiency
according to "Gas and Oil Fired Boilers - Minimum Efficiency Requirements."
D. DOE Compliance: Minimum efficiency shall comply with 10 CFR 430, Subpart B,
Appendix N, "Uniform Test Method for Measuring the Energy Consumption of
Furnaces and Boilers."
E. UL Compliance: Test boilers for compliance with UL 795, "Commercial-Industrial
Gas Heating Equipment." Boilers shall be listed and labeled by a testing agency
acceptable to authorities having jurisdiction.
1.06 WARRANTY
A. Manufacturer's standard form in which manufacturer agrees to repair or replace
components of boilers that fail in materials or workmanship within specified
warranty period of one year. Heat exchangers shall be warranted against
leakage and thermal shock for 10 years.
SECTION 22 5118
DIVISION 22 – PLUMBING SWIMMING POOL HEATING EQUIPMENT
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PART 2 PRODUCTS
2.01 GENERAL
A. The pool hot water supply shall be provided by a PACKAGED POOL HEATING
SYSTEM. The package system shall consist of a boiler plant, and a Shell and
Tube heat exchanger, the design of the system shall be such that pool water is
never directly heated by the boiler plant, and it shall only be heated indirectly by
means of the Shell and Tube Heat exchanger. The Boiler and Heat Exchanger
shall be completely factory piped and assembled and shall include a cast iron
circulating pump, expansion tank, flow switch, ASME Certified pressure relief
valve set for 50psi, automatic fill valve with pressure reducer and a temperature /
pressure gauge. Entire package shall be skid mounted, pre piped, assembled,
and pressure tested and ready for installation
2.02 MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, provide products by
one of the following:
1. Lochinvar Corporation.
2.03 WATER-TUBE CONDENSING BOILERS
A. Description: Factory-fabricated, -assembled, and -tested, water-tube condensing
boiler with heat exchanger sealed pressure tight, built on a steel base; including
insulated jacket; flue-gas vent; combustion-air intake connections; water supply,
return, and condensate drain connections; and controls. The boiler shall be
constructed with a heavy gauge steel jacket assembly, primed and pre-painted
on both sides. The combustion chamber shall be sealed and completely
enclosed, independent of the outer jacket assembly, so that integrity of the outer
jacket does not affect a proper seal. A burner/flame observation port shall be
provided. Pool heater shall be ASME certified to bear the ‘H’ stamp.
B. Heat Exchanger: Stainless-steel heat exchangers.
C. Combustion Chamber: Stainless steel, sealed.
D. Burner: Natural gas, forced draft drawing from gas premixing valve. Constructed
of high temperature stainless steel with a woven metal fiber outer covering to
provide modulating firing rates.
E. Blower: Centrifugal fan to operate during each burner firing sequence and to
prepurge and postpurge the combustion chamber.
F. Gas Train: Combination gas valve with manual shutoff and pressure regulator.
The boiler shall be supplied with a gas valve designed with negative pressure
regulation and be equipped with a variable speed blower system to precisely
control the fuel/air mixture to provide modulating boiler firing rates for maximum
efficiency. The boiler shall be capable of full modulation firing down to 20% of
SECTION 22 5118
DIVISION 22 – PLUMBING SWIMMING POOL HEATING EQUIPMENT
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rated input with a turndown ratio of 5:1. The boiler shall operate in a safe
condition at a de-rated output with gas supply pressures as low as 4 inches of
water column.
G. Ignition: Silicone carbide hot-surface ignition or electric-spark ignition that
includes flame safety supervision and 100 percent main-valve shutoff.
H. Casing:
1. Jacket: Sheet metal, with snap-in or interlocking closures.
2. Control Compartment Enclosures: NEMA 250, Type 1A.
3. Finish: Textured epoxy.
4. Insulation: Minimum 1-inch- thick, mineral-fiber insulation surrounding the
heat exchanger.
5. Combustion-Air Connections: Inlet and vent duct collars.
6. Mounting base to secure boiler.
a. Seismic Fabrication Requirements: Fabricate mounting base and
attachment to boiler pressure vessel, accessories, and
components with reinforcement strong enough to withstand
seismic forces defined in Division 22 Section "Vibration and
Seismic Controls for Plumbing Piping and Equipment" when
mounting base is anchored to building structure.
b. If indicated on the Drawings, provide optional factory-fabricated
“stack frame” for pool heater units indicated to allow close
proximity installation of pool heaters and provide compact
equipment footprint.
I. Characteristics and Capacities: As scheduled on the Drawings.
1. Heating Medium: water.
2.04 HEAT EXCHANGER
A. The shell and tube heat exchanger shall have a working pressure of 87 psi and
shall be constructed of Cupro-Nickel Tubes and Bronze Headers. The external
heat exchanger shall be sized so that heat can be transferred into the pool water
with an efficiency of up to 99%. The entire assembly shall be mounted on I-beam
skids to facilitate handling and installation.
2.05 TRIM
A. Include devices sized to comply with ANSI B31.1, "Power Piping."
B. Aquastat Controllers: Operating, firing rate, and high limit (including 110-deg F
pool water high limit safety).
C. Safety Relief Valve: ASME rated.
SECTION 22 5118
DIVISION 22 – PLUMBING SWIMMING POOL HEATING EQUIPMENT
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D. Pressure and Temperature Gage: Minimum 3-1/2-inch- diameter, combination
water-pressure and -temperature gage. Gages shall have operating-pressure
and -temperature ranges so normal operating range is about 50 percent of full
range.
E. Boiler Air Vent: Automatic.
F. Drain Valve: Minimum NPS 3/4 hose-end gate valve.
G. Circulation Pump: Non-overloading, in-line pump with split-capacitor motor
having thermal-overload protection and lubricated bearings; designed to operate
at specified boiler pressures and temperatures.
H. Expansion Tank: bladder type design, sized adequately to allow for the
expansion of the boiler water when heated.
I. Flow Switch: paddle type design, wired to the internal boiler control safety
circuitry so to not allow the boiler to operate when there is not sufficient flow.
J. Automatic Fill Valve with Pressure Reducer: factory set for 15 psi and shall allow
fresh water to be added to the boiler system only when the water pressure has
fallen below the pressure setting.
K. Condensate neutralization kit.
2.06 CONTROLS
A. Boiler operating controls shall include the following devices and features:
1. Control transformer.
2. Set-Point Adjust: Set points shall be adjustable.
3. Sequence of Operation: As shown on the Drawings.
B. Burner Operating Controls: To maintain safe operating conditions, burner safety
controls limit burner operation.
1. Burner operation shall be in accordance with CSD-1 Requirements
(burner firing code option “M13”).
2. High Cutoff: Manual reset stops burner if operating conditions rise above
maximum boiler design temperature. Unit shall be equipped with one
adjustable automatic and one adjustable manual high limit reset.
3. Low-Water Cutoff Switch: Electronic probe shall prevent burner operation
on low water. Cutoff switch shall be manual-reset type.
4. Flow Switch: unit shall incorporate flow switch to shut off burner in the
event of low or no flow in the heat exchanger.
5. High and Low Gas Pressure Switches: unit shall lockout burner in the
event inlet fuel gas pressure is not within the manufacturer’s acceptable
range.
6. Blocked Inlet Safety Switch: Manual-reset pressure switch field mounted
on boiler combustion-air inlet.
SECTION 22 5118
DIVISION 22 – PLUMBING SWIMMING POOL HEATING EQUIPMENT
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7. Audible Alarm: Factory mounted on control panel with silence switch;
shall sound alarm upon encountering any of the above failure conditions.
2.07 ELECTRICAL POWER
A. Controllers, Electrical Devices, and Wiring: Electrical devices and connections
are specified in Division 26 Sections.
B. Factory Controller: The pool heater shall utilize a 24 VAC control circuit and
components. The control system shall have an electronic display for boiler set-
up, boiler status, and boiler diagnostics. All components shall be easily accessed
and serviceable from the front and top of the jacket. The boiler shall be equipped
with a temperature/pressure gauge; high limit temperature control with manual
reset; ASME certified pressure relief valve set for 50 psi; outlet water
temperature sensor; return water temperature sensor; outdoor air sensor, flue
temperature sensor, and flow switch.
1. The boiler shall feature a “Smart System” control with a 2-line, 16
character LCD display, password security, pump delay with freeze
protection, pump exercise, domestic hot water prioritization and PC port
connection. The boiler shall allow 0-10 VDC input connection for BMS
control (LON or Bacnet compatible) and have built-in “Cascade” to
sequence and rotate while maintaining modulation of up to eight pool
heaters without utilization of an external controller.
C. Single-Point Field Power Connection: Factory-installed and -wired switches,
motor controllers, transformers, and other electrical devices necessary shall
provide a single-point field power connection to boiler.
1. House in NEMA Type 4X enclosure.
2. Wiring shall be numbered and color-coded to match wiring diagram.
3. Install factory wiring outside of an enclosure in a metal raceway.
4. Field power interface shall be to fused disconnect switch.
5. Provide branch power circuit to each motor and to controls with a
disconnect switch or circuit breaker.
6. Provide each motor with overcurrent protection.
2.08 VENTING KITS
A. As indicated on the Drawings.
1. Option 1: Direct Vent Sidewall system with a horizontal sidewall
termination of both the vent and combustion air. The flue shall be SCH
80 CPVC sealed vent material terminating at the sidewall with the
manufacturers specified vent termination. A separate pipe shall supply
combustion air directly to the boiler from the outside. The air inlet pipe
shall be SCH 40 PVC sealed pipe. The air inlet must terminate on the
same sidewall with the manufacturer’s specified air inlet cap. The boiler’s
total combined air intake length shall not exceed 100 equivalent feet. The
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boiler’s total combined exhaust venting length shall not exceed 100
equivalent feet.
2. Option 2: Direct Vent vertical system with a factory-supplied vertical
concentric roof termination kit for both the vent and combustion air. The
flue shall be SCH 80 CPVC sealed vent material terminating at the roof
with the manufacturer’s specified concentric vent termination kit. A
separate pipe shall supply combustion air directly to the boiler from the
outside. The air inlet pipe shall be SCH 40 PVC sealed pipe. The air
inlet must terminate on the rooftop with the manufacturer’s specified air
inlet cap. The boiler’s total combined air intake length shall not exceed
100 equivalent feet. The boiler’s total combined exhaust venting length
shall not exceed 100 equivalent feet.
2.09 SOURCE QUALITY CONTROL
A. Burner and Hydrostatic Test: Factory adjust burner to eliminate excess oxygen,
carbon dioxide, oxides of nitrogen emissions, and carbon monoxide in flue gas
and to achieve combustion efficiency; perform hydrostatic test.
B. Test and inspect factory-assembled boilers, before shipping, according to ASME
Boiler and Pressure Vessel Code.
PART 3 EXECUTION
3.01 BOILER INSTALLATION
A. Equipment Mounting: Install boilers on factory assembled equipment base(s).
1. Construct bases to withstand, without damage to equipment, seismic
force required by code.
B. Install gas-fired boilers according to NFPA 54.
C. Assemble and install boiler trim.
D. Install electrical devices furnished with boiler but not specified to be factory
mounted.
E. Install control wiring to field-mounted electrical devices.
3.02 CONNECTIONS
A. Piping installation requirements are specified in other Sections. Drawings
indicate general arrangement of piping, fittings, and specialties.
B. Install piping adjacent to boiler to allow service and maintenance.
C. Install piping from equipment drain connection to nearest floor drain. Piping shall
be at least full size of connection. Provide an isolation valve if required.
SECTION 22 5118
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D. Connect piping to boilers, except safety relief valve connections, with flexible
connectors of materials suitable for service.
E. Connect gas piping to boiler gas-train inlet with union. Piping shall be at least full
size of gas train connection. Provide a reducer if required.
F. Connect hot-water piping to supply- and return-boiler tappings with shutoff valve
and union or flange at each connection.
G. Install piping from safety relief valves to nearest floor drain.
H. Boiler Venting:
1. Install flue venting kit and combustion-air intake.
2. Connect full size to boiler connections.
I. Ground equipment according to Electrical Specifications.
J. Connect wiring according to Electrical Specifications
3.03 FIELD QUALITY CONTROL
A. Perform tests and inspections and prepare test reports.
1. Manufacturer's Field Service: Engage a factory-authorized service
representative to inspect components, assemblies, and equipment
installations, including connections, and to assist in testing.
B. Tests and Inspections:
1. Perform installation and startup checks according to manufacturer's
written instructions.
2. Leak Test: Hydrostatic test. Repair leaks and retest until no leaks exist.
3. Operational Test: Start units to confirm proper motor rotation and unit
operation. Adjust air-fuel ratio and combustion.
4. Test and adjust controls and safeties. Replace damaged and
malfunctioning controls and equipment.
5. Check and adjust initial operating set points and high- and low-limit safety
set points of fuel supply, water level, and water temperature.
a. Set field-adjustable switches and circuit-breaker trip ranges as
indicated.
C. Remove and replace malfunctioning units and retest as specified above.
END OF SECTION 22 5118
SECTION 23 1123
DIVISION 23 – MECHANICAL FACILITY NATURAL-GAS PIPING
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PART 1 GENERAL
1.01 SUMMARY
A. This Section includes fuel gas piping within the building. Products include the
following:
1. Pipe, tube, fittings, and joining materials.
a. Piping specialties.
b. Specialty valves.
1.02 PROJECT CONDITIONS
A. Gas System Pressure: One pressure range. 0.5 psig or less.
1.03 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Operation and maintenance data.
1.04 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
B. NFPA Standard: Comply with NFPA 54, "National Fuel Gas Code."
PART 2 PRODUCTS
2.01 PIPING MATERIALS
A. Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting,
and joining materials.
B. Steel Pipe: ASTM A 53/A 53M; Type E or S; Grade B; black. Wall thickness of
wrought-steel pipe shall comply with ASME B36.10M.
1. Malleable-Iron Threaded Fittings: ASME B16.3, Class 150, standard
pattern, with threaded ends according to ASME B1.20.1.
a. Unions: ASME B16.39, Class 150, malleable iron with brass-to-
iron seat, ground joint, and threaded ends according to
ASME B1.20.1.
b. Cast-Iron Flanges and Flanged Fittings: ASME B16.1, Class 125.
c. Joint Compound and Tape: Suitable for natural gas.
SECTION 23 1123
DIVISION 23 – MECHANICAL FACILITY NATURAL-GAS PIPING
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2.02 PROTECTIVE COATING
A. Furnish pipe and fittings with factory-applied, corrosion-resistant polyethylene
coating for use in contact with materials that may corrode the pipe.
2.03 PIPING SPECIALTIES
A. Flexible Connectors (unions): ANSI Z21.24, copper alloy or stainless steel. With
yellow epoxy coating for corrosion resistance.
B. Quick-Disconnect Devices: ANSI Z21.41, convenience outlets and matching
plug connector.
2.04 SPECIALTY VALVES
A. Valve End Connections: Threaded, according to ASME B1.20.1.
B. Appliance Connector Valves: ANSI Z21.15 and CSA International listed.
C. Gas Stops: Bronze body with AGA stamp, plug type with bronze plug and flat or
square head, ball type with chrome-plated brass ball and lever handle, or
butterfly valve with stainless-steel disc and fluorocarbon elastomer seal and lever
handle; 2-psig minimum pressure rating.
D. Gas Valves: One-Piece, Bronze Ball Valve with Bronze Trim: MSS SP-110.1.
Bronze body, complying with ASTM B 584, chrome-plated brass ball, blowout
proof bronze stem, reinforced TFE blowout proof seats, and separate packnut
with adjustable-stem packing threaded ends. Threaded, flared, or socket ends as
required. CWP Rating: 600 psig. Valves NPS 1 and smaller shall be listed and
labeled by an NRTL acceptable to authorities having jurisdiction. Valves shall be
suitable for natural-gas service with "WOG" indicated on valve body.
PART 3 EXECUTION
3.01 PREPARATION
A. Close equipment shutoff valves before turning off fuel gas to premises or section
of piping. Perform leakage test as specified in "Field Quality Control" Article to
determine that all equipment is turned off in affected piping section.
3.02 PIPING APPLICATIONS
A. Use flanges, unions, transition, and special fittings in applications below, unless
otherwise indicated.
B. Fuel Gas Piping, 2 psig or Less:
1. Steel pipe, malleable-iron threaded fittings, and threaded joints.
SECTION 23 1123
DIVISION 23 – MECHANICAL FACILITY NATURAL-GAS PIPING
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3.03 VALVE APPLICATIONS
A. Appliance Shutoff Valves for Pressure 0.5 psig or Less: Appliance connector
valve or gas stop.
B. Piping Line Valves, NPS 2 and Smaller: Gas valve.
C. Valves at Service Meter, NPS 2 and Smaller: Gas valve.
3.04 INSTALLATION
A. Install pressure gage downstream from each service pressure regulator.
B. Drips and Sediment Traps: Install drips at points where condensate may collect.
Include outlets of service meters. Locate where readily accessible for cleaning
and emptying. Do not install where condensate would be subject to freezing.
1. Construct drips and sediment traps using tee fitting with bottom outlet
plugged or capped. Use minimum-length nipple of 3 pipe diameters, but
not less than 3 inches long, and same size as connected pipe. Install
with space between bottom of drip and floor for removal of plug or cap.
C. Install fuel gas piping at uniform grade of 0.1 percent slope upward toward risers.
D. Use eccentric reducer fittings to make reductions in pipe sizes. Install fittings
with level side down.
E. Connect branch piping from top or side of horizontal piping.
F. Install unions in pipes NPS 2 and smaller, adjacent to each valve, at final
connection to each piece of equipment, and elsewhere as indicated. Unions are
not required on flanged devices.
3.05 HANGER AND SUPPORT INSTALLATION
A. Install hangers for horizontal steel piping with the following maximum spacing
and minimum rod sizes:
1. NPS 1 and Smaller: Maximum span, 96 inches; minimum rod size, 3/8
inch.
2. NPS 1-1/4: Maximum span, 108 inches; minimum rod size, 3/8 inch.
3. NPS 1-1/2 and NPS 2: Maximum span, 108 inches; minimum rod size,
3/8 inch.
3.06 CONNECTIONS
A. Install piping adjacent to appliances to allow service and maintenance. Connect
piping to appliances using gas with shutoff valves and flexible connector unions.
Install valve upstream from and within 72 inches of each appliance. Install union
downstream from valve.
SECTION 23 1123
DIVISION 23 – MECHANICAL FACILITY NATURAL-GAS PIPING
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3.07 FIELD QUALITY CONTROL
A. Test, inspect, and purge piping according to NFPA 54 and requirements of
authorities having jurisdiction. Repair leaks and defects with new materials and
retest system until satisfactory results are obtained.
3.08 PAINTING
A. Paint all above grade natural gas piping orange, include one prime coat.
END OF SECTION 23 1123
SECTION 26 0519
LOW-VOLTAGE ELECTRICAL POWER
DIVISION 26 – ELECTRICAL CONDUCTORS AND CABLES
26 0519 – Page 1 of 3
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PART 1 GENERAL
1.01 SUMMARY
A. This Section includes the following:
1. Building wires and cables rated 600 V and less.
a. Connectors, splices, and terminations rated 600 V and less.
1.02 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Field quality-control test reports.
1.03 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
B. Comply with NFPA 70.
PART 2 PRODUCTS
2.01 CONDUCTORS AND CABLES
A. Copper Conductors: Comply with NEMA WC 70.
B. Conductor Insulation: Comply with NEMA WC 70 for Types THHN-THWN.
C. Multiconductor Cable: Comply with NEMA WC 70 for metal-clad cable, Type MC
with ground wire.
2.02 CONNECTORS AND SPLICES
A. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work include,
but are not limited to, the following:
B. Manufacturers: Subject to compliance with requirements, provide products by
one of the following:
1. AFC Cable Systems, Inc.
a. Hubbell Power Systems, Inc.
b. O-Z/Gedney; EGS Electrical Group LLC.
c. 3M; Electrical Products Division.
d. Tyco Electronics Corp.
SECTION 26 0519
LOW-VOLTAGE ELECTRICAL POWER
DIVISION 26 – ELECTRICAL CONDUCTORS AND CABLES
26 0519 – Page 2 of 3
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C. Description: Factory-fabricated connectors and splices of size, ampacity rating,
material, type, and class for application and service indicated.
PART 3 EXECUTION
3.01 CONDUCTOR MATERIAL APPLICATIONS
A. Feeders: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG
and larger.
B. Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for
No. 8 AWG and larger.
3.02 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND
WIRING METHODS
A. All Conductors: Type THHN-THWN, single conductors in raceway.
3.03 INSTALLATION OF CONDUCTORS AND CABLES
A. Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated.
B. Use manufacturer-approved pulling compound or lubricant where necessary;
compound used must not deteriorate conductor or insulation. Do not exceed
manufacturer's recommended maximum pulling tensions and sidewall pressure
values.
C. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable
grips, that will not damage cables or raceway.
D. Install exposed cables parallel and perpendicular to surfaces of exposed
structural members, and follow surface contours where possible.
E. Support cables according to Division 26 Sections "Hangers and Supports for
Electrical Systems."
F. Identify and color-code conductors and cables according to Division 26 Section
"Identification for Electrical Systems."
G. Tighten electrical connectors and terminals according to manufacturer's
published torque-tightening values. If manufacturer's torque values are not
indicated, use those specified in UL 486A and UL 486B.
H. Make splices and taps that are compatible with conductor material and that
possess equivalent or better mechanical strength and insulation ratings than
unspliced conductors.
1. Use oxide inhibitor in each splice and tap conductor for aluminum
conductors.
SECTION 26 0519
LOW-VOLTAGE ELECTRICAL POWER
DIVISION 26 – ELECTRICAL CONDUCTORS AND CABLES
26 0519 – Page 3 of 3
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I. Wiring at Outlets: Install conductor at each outlet, with at least 6 inches of slack.
3.04 FIELD QUALITY CONTROL
A. Perform tests and inspections and prepare test reports.
B. Tests and Inspections:
1. After installing conductors and cables and before electrical circuitry has
been energized, test service entrance and feeder conductors, and
conductors feeding critical equipment and services for compliance with
requirements.
a. Perform each visual and mechanical inspection and electrical test
stated in NETA Acceptance Testing Specification. Certify
compliance with test parameters.
C. Test Reports: Prepare a written report to record the following:
1. Test procedures used.
a. Test results that comply with requirements.
b. Test results that do not comply with requirements and corrective
action taken to achieve compliance with requirements.
D. Remove and replace malfunctioning units and retest as specified above.
END OF SECTION 26 0519
SECTION 26 0526
GROUNDING AND BONDING
DIVISION 26 – ELECTRICAL FOR ELECTRICAL SYSTEMS
26 0526 – Page 1 of 5
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PART 1 GENERAL
1.01 SUMMARY
A. This Section includes methods and materials for grounding systems and
equipment.
1.02 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Field quality-control test reports.
1.03 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
B. Comply with UL 467 for grounding and bonding materials and equipment.
PART 2 PRODUCTS
2.01 CONDUCTORS
A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise
required by applicable Code or authorities having jurisdiction.
B. Bare Copper Conductors:
1. Solid Conductors: ASTM B 3.
a. Stranded Conductors: ASTM B 8.
b. Tinned Conductors: ASTM B 33.
c. Bonding Cable: 28 kcmil, 14 strands of No. 17 AWG conductor,
1/4 inch in diameter.
d. Bonding Conductor: No. 4 or No. 6 AWG, stranded conductor.
e. Bonding Jumper: Copper tape, braided conductors, terminated
with copper ferrules; 1-5/8 inches wide and 1/16 inch thick.
f. Tinned Bonding Jumper: Tinned-copper tape, braided
conductors, terminated with copper ferrules; 1-5/8 inches wide
and 1/16 inch thick.
2.02 CONNECTORS
A. Listed and labeled by a nationally recognized testing laboratory acceptable to
authorities having jurisdiction for applications in which used, and for specific
types, sizes, and combinations of conductors and other items connected.
SECTION 26 0526
GROUNDING AND BONDING
DIVISION 26 – ELECTRICAL FOR ELECTRICAL SYSTEMS
26 0526 – Page 2 of 5
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B. Bolted Connectors for Conductors and Pipes: Copper or copper alloy, bolted
pressure-type, with at least two bolts.
1. Pipe Connectors: Clamp type, sized for pipe.
C. Welded Connectors: Exothermic-welding kits of types recommended by kit
manufacturer for materials being joined and installation conditions.
2.03 GROUNDING ELECTRODES
A. Ground Rods: Copper-clad; 3/4 inch by10 feet in diameter.
2.04 GROUNDING BUS
A. Grounding Bus: Rectangular bars of annealed copper, 1/4 by 2 inches in cross
section, unless otherwise indicated minimum 12” long; with insulators.
PART 3 EXECUTION
3.01 APPLICATIONS
A. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded
conductors for No. 6 AWG and larger, unless otherwise indicated.
B. Underground Grounding Conductors: Install bare tinned-copper conductor,
No. 2/0 AWG minimum. Bury at least 24 inches below grade.
C. Isolated Grounding Conductors: Green-colored insulation with continuous yellow
stripe. On feeders with isolated ground, identify grounding conductor where
visible to normal inspection, with alternating bands of green and yellow tape, with
at least three bands of green and two bands of yellow.
D. Conductor Terminations and Connections:
1. Pipe and Equipment Grounding Conductor Terminations: Bolted
connectors.
a. Underground Connections: Welded connectors, except at test
wells and as otherwise indicated.
b. Connections to Ground Rods at Test Wells: Bolted connectors.
c. Connections to Structural Steel: Welded connectors.
3.02 EQUIPMENT GROUNDING
A. Install insulated equipment grounding conductors with all circuits including those
listed below, in addition to those required by NFPA 70:
1. Feeders and branch circuits.
a. Lighting circuits.
SECTION 26 0526
GROUNDING AND BONDING
DIVISION 26 – ELECTRICAL FOR ELECTRICAL SYSTEMS
26 0526 – Page 3 of 5
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b. Receptacle circuits.
c. Single-phase motor and appliance branch circuits.
d. Three-phase motor and appliance branch circuits.
e. Flexible raceway runs.
f. Armored and metal-clad cable runs.
g. Busway Supply Circuits: Install insulated equipment grounding
conductor from grounding bus in the switchgear, switchboard, or
distribution panel to equipment grounding bar terminal on busway.
h. Computer and Rack-Mounted Electronic Equipment Circuits:
Install insulated equipment grounding conductor in branch-circuit
runs from equipment-area power panels and power-distribution
units.
B. Air-Duct Equipment Circuits: Install insulated equipment grounding conductor to
duct-mounted electrical devices operating at 120 V and more, including air
cleaners, heaters, dampers, humidifiers, and other duct electrical equipment.
Bond conductor to each unit and to air duct and connected metallic piping.
C. Water Heater, Heat-Tracing, and Antifrost Heating Cables: Install a separate
insulated equipment grounding conductor to each electric water heater and heat-
tracing cable. Bond conductor to heater units, piping, connected equipment, and
components.
D. Signal and Communication Equipment: For telephone, alarm, radio, voice and
data, and other communication equipment, provide No. 4 AWG minimum
insulated grounding conductor in raceway from grounding electrode system to
each service location, terminal cabinet, wiring closet, and central equipment
location.
1. Service and Central Equipment Locations and Wiring Closets: Terminate
grounding conductor on a 1/4-by-2-by-12-inch grounding bus.
a. Terminal Cabinets: Terminate grounding conductor on cabinet
grounding terminal.
E. Metal Poles Supporting Outdoor Lighting Fixtures: ground pole with grounding
conductor installed with branch-circuit conductors.
3.03 INSTALLATION
A. Grounding Conductors: Route along shortest and straightest paths possible,
unless otherwise indicated or required by Code. Avoid obstructing access or
placing conductors where they may be subjected to strain, impact, or damage.
B. Ground Rods: Drive rods until tops are 2 inches below finished floor or final
grade, unless otherwise indicated.
SECTION 26 0526
GROUNDING AND BONDING
DIVISION 26 – ELECTRICAL FOR ELECTRICAL SYSTEMS
26 0526 – Page 4 of 5
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1. Interconnect ground rods with grounding electrode conductor below grade
and as otherwise indicated. Make connections without exposing steel or
damaging coating, if any.
a. For grounding electrode system, install at least three rods spaced
at least one-rod length from each other and located at least the
same distance from other grounding electrodes, and connect to
the service grounding electrode conductor.
C. Bonding Straps and Jumpers: Install in locations accessible for inspection and
maintenance, except where routed through short lengths of conduit.
1. Bonding to Structure: Bond straps directly to basic structure, taking care
not to penetrate any adjacent parts.
a. Bonding to Equipment Mounted on Vibration Isolation Hangers
and Supports: Install so vibration is not transmitted to rigidly
mounted equipment.
b. Use exothermic-welded connectors for outdoor locations, but if a
disconnect-type connection is required, use a bolted clamp.
D. Grounding and Bonding for Piping:
1. Metal Water Service Pipe: Install insulated copper grounding conductors,
in conduit, from building's main service equipment, or grounding bus, to
main metal water service entrances to building. Connect grounding
conductors to main metal water service pipes, using a bolted clamp
connector or by bolting a lug-type connector to a pipe flange, using one of
the lug bolts of the flange. Where a dielectric main water fitting is
installed, connect grounding conductor on street side of fitting. Bond
metal grounding conductor conduit or sleeve to conductor at each end.
a. Water Meter Piping: Use braided-type bonding jumpers to
electrically bypass water meters. Connect to pipe with a bolted
connector.
b. Bond each aboveground portion of gas piping system downstream
from equipment shutoff valve.
E. Bonding Interior Metal Ducts: Bond metal air ducts to equipment grounding
conductors of associated fans, blowers, electric heaters, and air cleaners. Install
tinned bonding jumper to bond across flexible duct connections to achieve
continuity.
3.04 FIELD QUALITY CONTROL
A. Perform the following tests and inspections and prepare test reports:
1. After installing grounding system but before permanent electrical circuits
have been energized, test for compliance with requirements.
SECTION 26 0526
GROUNDING AND BONDING
DIVISION 26 – ELECTRICAL FOR ELECTRICAL SYSTEMS
26 0526 – Page 5 of 5
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a. Test completed grounding system at each location where a
maximum ground-resistance level is specified, at service
disconnect enclosure grounding terminal, and at ground test wells.
a. Measure ground resistance not less than two full days after last trace of
precipitation and without soil being moistened by any means other than natural
drainage or seepage and without chemical treatment or other artificial means of
reducing natural ground resistance.
b. Perform tests by fall-of-potential method according to IEEE 81.
B. Report measured ground resistances that exceed 25 ohms to ground.
C. Excessive Ground Resistance: If resistance to ground exceeds specified values,
notify Architect promptly and include recommendations to reduce ground
resistance.
END OF SECTION 26 0526
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
26 0533 – Page 1 of 7
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October 29, 2013
PART 1 GENERAL
1.01 SUMMARY
A. This Section includes raceways, fittings, boxes, enclosures, and cabinets for
electrical wiring.
1.02 SUBMITTALS
A. Product Data: For surface raceways, wireways and fittings, floor boxes, hinged-
cover enclosures, and cabinets.
B. Shop Drawings: For custom enclosures and cabinets. Include plans, elevations,
sections, details, and attachments to other work.
1.03 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
B. Comply with NFPA 70.
PART 2 PRODUCTS
2.01 METAL CONDUIT AND TUBING
A. Rigid Steel Conduit: ANSI C80.1.
B. EMT: ANSI C80.3.
C. Fittings for Conduit (Including all Types and Flexible and Liquidtight), EMT, and
Cable: NEMA FB 1; listed for type and size raceway with which used, and for
application and environment in which installed.
1. Conduit Fittings for Hazardous (Classified) Locations: Comply with
UL 886.
2. Fittings for EMT: Steel, set-screw type.
2.02 NONMETALLIC CONDUIT AND TUBING
A. ENT: NEMA TC 13.
B. RNC: NEMA TC 2, Type EPC-40-PVC, unless otherwise indicated.
C. LFNC: UL 1660.
D. Fittings for ENT and RNC: NEMA TC 3; match to conduit or tubing type and
material.
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
26 0533 – Page 2 of 7
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E. Fittings for LFNC: UL 514B.
2.03 METAL WIREWAYS
A. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work include,
but are not limited to, the following:
1. Cooper B-Line, Inc.
2. Hoffman.
3. Square D; Schneider Electric.
B. Description: Sheet metal sized and shaped as indicated, NEMA 250, Type 1,
unless otherwise indicated.
C. Fittings and Accessories: Include couplings, offsets, elbows, expansion joints,
adapters, hold-down straps, end caps, and other fittings to match and mate with
wireways as required for complete system.
D. Wireway Covers: Screw-cover type.
E. Finish: Manufacturer's standard enamel finish.
2.04 NONMETALLIC WIREWAYS
A. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work include,
but are not limited to, the following:
1. Hoffman.
2. Lamson & Sessions; Carlon Electrical Products.
B. Description: PVC plastic, extruded and fabricated to size and shape indicated,
with snap-on cover and mechanically coupled connections with plastic fasteners.
C. Fittings and Accessories: Include couplings, offsets, elbows, expansion joints,
adapters, hold-down straps, end caps, and other fittings to match and mate with
wireways as required for complete system.
2.05 SURFACE RACEWAYS
A. Surface Metal Raceways: Galvanized steel with snap-on covers. Manufacturer's
standard enamel finish in color selected by Architect.
1. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Thomas & Betts Corporation.
b. Walker Systems, Inc.; Wiremold Company (The).
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
26 0533 – Page 3 of 7
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c. Wiremold Company (The); Electrical Sales Division.
B. Surface Nonmetallic Raceways: Two-piece construction, manufactured of rigid
PVC with texture and color selected by Architect from manufacturer's standard
colors.
1. Available Manufacturers: Subject to compliance with requirements,
manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Butler Manufacturing Company; Walker Division.
b. Enduro Systems, Inc.; Composite Products Division.
c. Hubbell Incorporated; Wiring Device-Kellems Division.
d. Lamson & Sessions; Carlon Electrical Products.
e. Panduit Corp.
f. Walker Systems, Inc.; Wiremold Company (The).
g. Wiremold Company (The); Electrical Sales Division.
2.06 BOXES, ENCLOSURES, AND CABINETS
A. Sheet Metal Outlet and Device Boxes: NEMA OS 1.
B. Cast-Metal Outlet and Device Boxes: NEMA FB 1, aluminum, Type FD, with
gasketed cover.
C. Nonmetallic Outlet and Device Boxes: NEMA OS 2.
D. Metal Floor Boxes: Cast iron, fully adjustable, rectangular.
E. Small Sheet Metal Pull and Junction Boxes: NEMA OS 1.
F. Cast-Metal Access, Pull, and Junction Boxes: NEMA FB 1, cast aluminum with
gasketed cover.
G. Hinged-Cover Enclosures: NEMA 250, Type 1, with continuous-hinge cover with
flush latch, unless otherwise indicated.
1. Metal Enclosures: Steel, finished inside and out with manufacturer's
standard enamel.
2. Nonmetallic Enclosures: Plastic.
H. Cabinets:
1. NEMA 250, Type 1, galvanized-steel box with removable interior panel
and removable front, finished inside and out with manufacturer's standard
enamel.
2. Hinged door in front cover with flush latch and concealed hinge.
3. Key latch to match panelboards.
4. Metal barriers to separate wiring of different systems and voltage.
5. Accessory feet where required for freestanding equipment.
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
26 0533 – Page 4 of 7
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PART 3 EXECUTION
3.01 RACEWAY APPLICATION
A. Outdoors: Apply raceway products as specified below, unless otherwise
indicated:
1. Exposed Conduit: Rigid steel conduit.
2. Concealed Conduit, Aboveground: EMT.
3. Underground Conduit: RNC, Type EPC-40-PVC, direct buried. Use
Type EPC-80-PVC under paved surfaces.
4. Connection to Vibrating Equipment (Including Transformers and
Hydraulic, Pneumatic, Electric Solenoid, or Motor-Driven Equipment):
LFMC.
5. Boxes and Enclosures, Aboveground: NEMA 250, Type 3R.
B. Comply with the following indoor applications, unless otherwise indicated:
1. Exposed, Not Subject to Physical Damage: EMT.
2. Exposed, Not Subject to Severe Physical Damage: EMT.
3. Exposed and Subject to Severe Physical Damage: Rigid steel conduit.
Includes raceways in the following locations:
a. Loading dock.
b. Corridors used for traffic of mechanized carts, forklifts, and pallet-
handling units.
c. Mechanical rooms.
4. Concealed in Ceilings and Interior Walls and Partitions: EMT.
5. Connection to Vibrating Equipment (Including Transformers and
Hydraulic, Pneumatic, Electric Solenoid, or Motor-Driven Equipment):
FMC, except use LFMC in damp or wet locations.
6. Damp or Wet Locations: Rigid steel conduit.
7. Raceways for Optical Fiber or Communications Cable: EMT.
8. Boxes and Enclosures: NEMA 250, Type 1, except use NEMA 250,
Type 3R, nonmetallic in damp or wet locations.
C. Minimum Raceway Size: 3/4-inch trade size.
D. Raceway Fittings: Compatible with raceways and suitable for use and location.
1. Rigid and Intermediate Steel Conduit: Use threaded rigid steel conduit
fittings, unless otherwise indicated.
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
26 0533 – Page 5 of 7
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3.02 INSTALLATION
A. Comply with NECA 1 for installation requirements applicable to products
specified in Part 2 except where requirements on Drawings or in this Article are
stricter.
B. Keep raceways at least 6 inches away from parallel runs of flues and steam or
hot-water pipes. Install horizontal raceway runs above water and steam piping.
C. Complete raceway installation before starting conductor installation.
D. Support raceways as specified in Division 26 Section "Hangers and Supports for
Electrical Systems."
E. Arrange stub-ups so curved portions of bends are not visible above the finished
slab.
F. Install no more than the equivalent of three 90-degree bends in any conduit run
except for communications conduits, for which fewer bends are allowed.
G. Conceal conduit and EMT within finished walls, ceilings, and floors, unless
otherwise indicated.
H. Raceways Embedded in Slabs:
1. Run conduit larger than 1-inch trade size, parallel or at right angles to
main reinforcement. Where at right angles to reinforcement, place
conduit close to slab support.
2. Arrange raceways to cross building expansion joints at right angles with
expansion fittings.
3. Change from ENT to RNC, Type EPC-40-PVC, rigid steel conduit, or IMC
before rising above the floor.
I. Raceway Terminations at Locations Subject to Moisture or Vibration: Use
insulating bushings to protect conductors, including conductors smaller than
No. 4 AWG.
J. Install pull wires in empty raceways. Use polypropylene or monofilament plastic
line with not less than 200-lb tensile strength. Leave at least 12 inches of slack
at each end of pull wire.
K. Raceways for Optical Fiber and Communications Cable: Install as follows:
1. 3/4-Inch Trade Size and Smaller: Install raceways in maximum lengths of
50 feet.
2. 1-Inch Trade Size and Larger: Install raceways in maximum lengths of 75
feet.
3. Install with a maximum of two 90-degree bends or equivalent for each
length of raceway unless Drawings show stricter requirements. Separate
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
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lengths with pull or junction boxes or terminations at distribution frames or
cabinets where necessary to comply with these requirements.
L. Install raceway sealing fittings at suitable, approved, and accessible locations
and fill them with listed sealing compound. For concealed raceways, install each
fitting in a flush steel box with a blank cover plate having a finish similar to that of
adjacent plates or surfaces. Install raceway sealing fittings at the following
points:
1. Where conduits pass from warm to cold locations, such as boundaries of
refrigerated spaces.
2. Where otherwise required by NFPA 70.
M. Expansion-Joint Fittings for RNC: Install in each run of aboveground conduit that
is located where environmental temperature change may exceed 30 deg F, and
that has straight-run length that exceeds 25 feet.
1. Install expansion-joint fittings for each of the following locations, and
provide type and quantity of fittings that accommodate temperature
change listed for location:
a. Outdoor Locations Not Exposed to Direct Sunlight: 125 deg F
b. Outdoor Locations Exposed to Direct Sunlight: 155 deg F
temperature change.
c. Indoor Spaces: Connected with the Outdoors without Physical
Separation: 125 deg F temperature change.
d. Attics: 135 deg F temperature change.
2. Install fitting(s) that provide expansion and contraction for at least
0.00041 inch per foot of length of straight run per deg F of temperature
change.
3. Install each expansion-joint fitting with position, mounting, and piston
setting selected according to manufacturer's written instructions for
conditions at specific location at the time of installation.
N. Flexible Conduit Connections: Use maximum of 72 inches of flexible conduit for
recessed and semirecessed lighting fixtures, equipment subject to vibration,
noise transmission, or movement; and for transformers and motors.
1. Use LFMC in damp or wet locations subject to severe physical damage.
2. Use LFMC or LFNC in damp or wet locations not subject to severe
physical damage.
O. Recessed Boxes in Masonry Walls: Saw-cut opening for box in center of cell of
masonry block, and install box flush with surface of wall.
P. Set metal floor boxes level and flush with finished floor surface.
SECTION 26 0533
RACEWAYS AND BOXES FOR
DIVISION 26 – ELECTRICAL ELECTRICAL SYSTEMS
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Q. Set nonmetallic floor boxes level. Trim after installation to fit flush with finished
floor surface.
3.03 INSTALLATION OF UNDERGROUND CONDUIT
A. Direct-Buried Conduit:
1. Excavate trench bottom as detailed to provide firm and uniform support
for conduit.
2. Install backfill as specified in Division 31 Section "Earth Moving."
3. After installing conduit, backfill and compact. Start at tie-in point, and
work toward end of conduit run, leaving conduit at end of run free to move
with expansion and contraction as temperature changes during this
process. Firmly hand tamp backfill around conduit to provide maximum
supporting strength. After placing controlled backfill to within 12 inches of
finished grade, make final conduit connection at end of run and complete
backfilling with normal compaction as specified in Division 31 Section
"Earth Moving."
4. Install manufactured duct elbows for stub-ups at poles and equipment
and at building entrances through the floor, unless otherwise indicated.
Encase elbows for stub-up ducts throughout the length of the elbow.
5. Install manufactured rigid steel conduit elbows for stub-ups at poles and
equipment and at building entrances through the floor.
a. Couple steel conduits to ducts with adapters designed for this
purpose, and encase coupling with 3 inches of concrete.
b. For stub-ups at equipment mounted on outdoor concrete bases,
extend steel conduit horizontally a minimum of 60 inches from
edge of equipment pad or foundation. Install insulated grounding
bushings on terminations at equipment.
6. Warning Planks: Bury warning planks approximately 12 inches above
direct-buried conduits, placing them 24 inches o.c. Align planks along the
width and along the centerline of conduit.
3.04 FIRESTOPPING
A. Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies
to restore original fire-resistance rating of assembly. Firestopping materials and
installation requirements are specified in Division 07 Section "Penetration
Firestopping."
END OF SECTION 26 0533
BID FORM 1
BID FORM
BOGERT POOL BOILER REPLACEMENT PROJECT
P.O. BOX 1230
CITY OF BOZEMAN
BOZEMAN, MONTANA 59771
TO: City Clerk
121 North Rouse Ave.
P.O. Box 1230
Bozeman, Montana 59771-1230
THE UNDERSIGNED BIDDER, having familiarized themselves with the Work required by the
Contract Documents, the site(s) where the work is to be performed, local labor conditions and all
laws, regulations, municipal ordinances and other factors which may affect the performance of the
Work, and having satisfied himself of the expense and difficulties attending performance of the
work:
HEREBY PROPOSES and agrees, if this bid is accepted, to enter into an Agreement, in the form
attached, to perform all work for the restoration of the BOGERT POOL BOILER REPLACEMENT
PROJECT, including the assumption of all obligations, duties, and responsibilities necessary for the
successful completion of the contract and the furnishing of all materials and equipment required to
be incorporated in, and form a permanent part of, the work; tools, equipment, supplies,
transportation, facilities, labor, superintendence, and services required to perform the Work; Bonds,
Insurance and Submittals; all as indicated or specified in the Contract Documents to be performed or
furnished by Contractor within the time and for the prices set forth in the following schedules.
Sealed Bids are due in the office of the City Clerk, second floor of City Hall by 2:00p.m.,
Tuesday, January 28, 2014. At which time the bids will be opened, read, and reviewed by city
staff and then will contact the selected contractor to schedule the work.
Please turn in this full page package for your bid. No electronic versions will be accepted. Mailed
bids must be received by the date and time specified. Please submit the bid in a sealed envelope
with the title – Bogert Pool Boiler Replacement and list the name of your firm on the outside of
the sealed bid envelope.
The physical address is: City Clerk’s Office, Suite 202, City Hall, 121 North Rouse Ave., Bozeman,
MT.
The mailing address is: City Clerk’s Office, Suite 202, City Hall, P.O. Box 1230, Bozeman, MT.,
59771.
The City reserves the right to reject any and all Responses to Bids received or to waive bid
informalities. The City of Bozeman is an Equal Opportunity Employer.
BID FORM 2
The undersigned bidder agrees to be bound by this Bid for a period not to exceed 60 days.
The undersigned Bidder agrees to furnish the required Bonds and to enter into a contract within
fifteen (15) calendar days after Owner's acceptance of this Bid, and further agrees to complete all
Work within the time specified per schedule after commencement of the contract time as defined in
the General Conditions.
The contract specifies that Contractor shall begin the Construction Project in the spring of 2014,
after receiving a notice to proceed from City and the weather has provided the proper environmental
conditions as required by the paint manufacturer. The contractor shall have all work completed
within 30 days after beginning.
Where multiple schedules are awarded under a single Contract, the contract times shall run
concurrently unless separate notices to proceed are issued for the awarded schedules.
Liquidated Damages shall be as specified in the attached Scope of Work of the Agreement Form.
The undersigned Bidder agrees that the unit prices shall govern in checking the Bid, and should a
discrepancy exist in the total prices and total amount of Bid as listed above, after extensions are
checked and corrections made, if any, the total amount of the Bid as corrected shall be used in
awarding the contract.
The undersigned Bidder agrees that he has been afforded access to the construction site and has
performed those independent site investigations as he deemed necessary.
The undersigned Bidder hereby certifies the following:
A) That this Bid is genuine and is not made in the interest of, or on behalf of, any undisclosed
person, firm, or corporation, and is not submitted in conformity with any agreement or rules of any
group, association, organization, or corporation;
B) That he has not directly or indirectly solicited any other Bidder to put in a false or sham Bid;
C) That he has not solicited or induced any person, firm, or corporation to refrain from bidding;
D) That he has not sought by collusion to obtain for himself any advantage over any other Bidder or
over the Owner.
E) That he is not currently operating beyond the contract time on any previously awarded public
works contract as defined and required by Article 15-50-203, MCA, as amended.
The undersigned Bidder(s) either singularly or as a joint venture hereby certifies (certify) pursuant to
Article 37-71-203, MCA, that he (they) is (are) duly and regularly licensed.
BID
FORM
3
In addition to the bid number provided, the contractor is asked to provide a construction time line
outlining the critical steps and stages of the project and a calendar showing how the work will be
completed.
Upon award, the contractor will complete the contract document that was provided during the
walk through, an electronic version can be provided. The contractor will also need to provide
proof of insurance at the rates specified and a performance bond for the project.
The job will be subject to both state and local rules including: state prevailing wage rates; 1%
Mt. Dept. of Revenue Withholding; and City of Bozeman non-discrimination resolution.
BIDDER agrees to perform all the work described in the CONTRACT DOCUMENTS for the
following lump sum:
TOTAL CONTRACT BID PRICE $_________________________
(Written Bid Price Number)
The undersigned Bidder acknowledged receipt of the following Addenda, which have been
considered in preparation of this Bid:
No._____________________________ Dated____________________
No._____________________________ Dated____________________
No._____________________________ Dated____________________
No._____________________________ Dated___________________
Submitted this _____ day of _____________________, 2014.
SIGNATURE OF BIDDER:__________________________________________
BID
FORM
4
Montana Contractor Registration Number______________________________
If an individual:_____________________________________________
doing business as_____________________________________________
If a Partnership: by ________________________________________________
Partner _____________________________________________
If a Corporation:_____________________________________________
(a) ____________________________________________
by ____________________________________________
(Seal &
Title___________________________________________ Attest)
Business Address of Bidder: __________________________________
____________________________________________________________
If Bidder is a joint venture, other party must sign below:
Montana License Number and Class______________________________
If an Individual:_______________________________________ doing
business as _________________________________________________.
If a Partnership: __________________________________________
by ________________________________Partner
__________________________________________
If a Corporation:____________________________________________
(a)______________________________Corporation
by _________________________________________
(Seal &
Title________________________________________ Attest)
BID
FORM
5
NON-DISCRIMINATION AFFIRMATION FORM
_________________________ [name of entity submitting] hereby affirms it will not discriminate
on the basis of race, color, religion, creed, sex, age, marital status, national origin, or because
of actual or perceived sexual orientation, gender identity or disability in the performance of
work performed for the city of Bozeman, if a contract is awarded to it, and also recognizes the
eventual contract, if awarded, will contain a provision prohibiting discrimination as described
above and that this prohibition shall apply to the hiring and treatment of the
_________________________ [name of entity submitting] employees and to all subcontracts it
enters into in performance of the agreement with the city of Bozeman.
Signature of Bidder: ______________________________
Person authorized to sign on behalf of the bidder