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Home My WebLink About2007-09-LYMAN CREEK RESERVOIR IMPROVEMENTS Y �M Lyman Creek t u ra Reservoir F aF . Improvements t September 2007 Y IA Morrison- • Maierle,Inc Lyman Creek Reservoir Improvements September 2007 Outline Project team ,p Treatment Building Improvements Spring Development Radon, Liner, Distribution Schedule �gl Work Load r� Morrison- lilt Maierle,Inc 1 Lyman Creek Reservoir .Improvements �� September 2007 Organizational Chart City of Bozeman Principal in Charge Quality Assurance Jack Schunk \ i Carl Anders James HDR Engineering Architectural, Nickelson, Structural Amanda McInnis,P.E., P.E. Radon,Liner, 8 Distribution Mechanical Construction e.or Electrical & Hydraulic ._ Spring Controls Analysis Flow Water Evaluation 4' m,A� Control, Mikc + Process Pi to Treatment P 9 Kacztnarek,' � Morrison- &Site Civil Jeff Ashley, P.G. �i Maierle,Inc P.E. Lyman Creek Reservoir Improvements September 2007 rI�:JSUJ�lJ r Spring Monitoring 1) Maintain existing hypo system,.._. safety & storage concerns , 2) On-site Hypochlorite Generation: Salt + H2O + Electricity = NaOCI + H2 e,� Generates Hypo solution < 1% ,.;:-OA: Much less hazardous chemical More stable '� Morrison- More volume needed i� Maierle,Inc Typical system consists of... Add Salt Electrolytic Vent Cells ' Hydrogen Dilution + - Blower Potable Water + To Application -. 1 7 Point -� Water Brine Brine \ Softener Tank Pump Chemical Metering Pumps Lyman Creek Reservoir Improvements September 2007 Spring Monitoring new.- Morrison- - •• " iiti�Maierle,Inc I i i Lyman Creek Reservoir ; Improvements September 2007 rf��JSIIJ�II! Spring Monitoring 2) On-site Hypo Generation (cont): O&M requirements Salt handling Various methods Electricity Relatively inexpensive Morrison- idi Maierle,Inc Lyman Creek Reservoir Improvements September 2007 Ti, :J S'11J IJ! Spring Monitoring 3) Tablet Chlorinator: Calcium hypo tablets Similar to sodium hypo in chemistry Bulk storage typically not used Questions about accurate dosing Morrison- ; a Maierle,Inc r t Lyman Creek Reservoir Improvements September 2007 FY „ Spring Monitoring .a a• 06/26/2002 = Morrison- F, L h. _ _.. ii�Maierle,Inc Lyman Creek Reservoir Improvements September 2007 Spring Monitoring Pacing by flow or chlorine dose Dose pacing important with hypo Residual chlorine at multiple points Before reservoir e• Outlet control bldg Chemical injection i Mixing -A Morrison- Maintenance a Maierle,Inc Safety Lyman Creek Reservoir I Improvements September 2007 Building Improvements a• Access, Heating and Electrical `'•mA� Hydraulic Analysis - ARV Piping Changes — 2,680 gpm Morrison- Metering and Flow Control Valve Maicrl e,Inc Telemetry and Controls Lyman Creek Reservoir Improvements September 2007 Building Improvements I I e• m A: Access Temperature Sensor/Alarm Jed�Morrison- dd Maierle,Inc i Lyman Creek Reservoir]' Improvements September 2007 Building Improvements i 1 \+ }�t 'l s Vestibules Vents Morrison- �� Maiorle,Inc Pressure Transducer Lyman Creek Reservoir fs Improvements Y1 September 2007 Building Improvements tv y rat: !Jt� T-1 Access Morrison- Remote Readout .4 aid Maierle,Inc Telemetry? Lyman Creek Reservoir Improvements September 2007 Spring Monitoring rJJr'l�� J,'J5'JUtI i� Grid Power Solar Power Hydro Power ? Morrison- i Maierle,Inc Lyman Creek Reservoir Improvements e�aw September 2007 Spring Monitoring J fJtJ l I l ttj rt'l rJ rl�t WO Hardwire `-- Radio AMON A Morrison- Cellular _;Maicrlc,Inc Satellite Lyman Creek Reservoir Improvements September2007 d - Flow Measurement Free Flow Parshali Flume _Additional Measurement Points n sar .F'k t1 3� AliMorrison- Maierle,Inc Lyman Creek Reservoir Improvements September 2007 Spring Development ��►' sear -11 Lyman Spring Development �Morrison- Ad Maierle,Inc Lyman Creek Reservoir ril • Improvements I September 2007 IKf A q. pi Aqfg Spring Aqfg Id. Development •. KMj 172 •Faf MI Mq� 57 •. Qpg Kmi 10 a•a ram: ., r Morrison- ComplleAFromMBMG ��Maierle,Inc Source of Water Lyman Creek Reservoir Improvements September 2007 Spring �� Development OBJECTIVE Have more water when she project is complete! If you are going to divert „�' r4_ . more water, you must put , ��4_ ° � a diversion where the '-- groundwater is available. Morrison- . .J i Lyman Creek Reservoir Improvements September 2007 i "'� The water flowing from s rin r�� this drain(?) pipe either Deveopment ' >,� � by-passes the upper r � � collector and its sheet r. ^M`` �,� piling or comes in down- - �� '-X�`�. stream from the sheet piling. �:�,, ` `� Is the flow from this pipe enough to make up the `°°`°`�. difference needed to increase flow to equal '° t the existing water right? Morrison- Probably not. �Maierle,Inc •�: ��_ Lyman Creek Reservoir Improvements September 2007 ��F� � '� - .,�:,� i I � I Spring How much groundwater Development enters the stream between '� this drain pipe? •►: and �: f I m�. '� the old diversion point? �. Morrison- ��Maierle,Inc Where? Lyman Creek Reservoir Improvements September 2007 Spring Y Why does the groundwater Development flow in from the side of the :a> valley instead of day-lighting` in the bottom of the valley? n r 't Morrison- we ' ''Cr,�"-t r ��Maierle,Inc Lyman Creek Reservoir ImprovementsIV j i Does this hillside conceal a buried channel September 2007 on the south side of the valley? Spring Development i��Morrison- Maierle,Inc i 1 Lyman Creek Reservoi Improvements PROBLEM September2007 Spring Where can we intercept more groundwater Development before it becomes surface water? If more water enters surface water down- stream from collector boxes, it indicates more groundwater flow is available: However, that groundwater must be inter- cepted as groundwater flow before it surfaces and comes under surface water - treatment rules. Morrison- r "� Maierle,Inc I 1 I Lyman Creek Reservoir Improvements y �•" September 2007 Subsurface Investigation Spring Seismic refraction Development Ground penetrating radar .Verify with boreholes Objectives: Profile the bedrock surface t Profile the water surface A Look for preferred flow paths ° .Check groundwater elevations _ above and below upper spring box sheet piling. Find pipes, if possible, including�., p p p 9 .,; Morrisun- drain(?) pipe. Maierle,Inc t �< F ,; Lyman Creek Reservoir Improvements September 2007 HDR Engineering Philip Brandhuber s EPA Regulations + Morrison- Salvage Value Addli Maierle,Inc Treatment Process Changes Lyman Creek Reservoir Improvements September 2007 HDR Engineering Dick Sprague ITT t Wsear lIl I: Repairs-Cost Benefit Analysis Additional Sealing Morrison- Maierle,Inc Discharge Permit Requirements Lyman Creek Reservoir ' Improvements September 2007 r.. -r; HDR Engineering John Manion j J StLJ!l rl JIJ / !.IIJ. I Efficient Water Use Modeling •� Minor Adjustments ~ Upgrade Pressure Reducing Valve - - -Mandeville Farm Location? -Baxter/1 1 th? Morrison- _ `Maierle,Inc Lyman Creek Reservoir _ Improvements September 2007 i Construction i'. 'N 'y JIJ rr!JC rJ JIJ, 4• m�' Delivery Methods Construction Observation Morrison- �� Maierle,Inc Contract Administration Lyman Creek Reservoir Improvements 2007 2008 2009 September 2007 SEP NOV JAN MAR MAY JUL MAY Selection&Contract ®.■�■��... ■ Schedule Pre-design Report ®:��■■■■.■■_■' Preliminary Design ®®��®�■■■■ '■ir Final Design& Bidding Documents Bidding ®®�®®®��■ ■ Construction -1 The timing of the Construction schedule is also dependent on the desired operation of the facility and scheduling plant shutdowns at appropriate times to meet overall water operation objectives MORRISON' Ad MAIERLE.1,1. Lyman Creek Reservoir Improvements September 2007 Staff Workload Team members are committed to your project and are available as needed. 0. I1 Y4_ m p' " Morrison- , Maierle,Inc Lyman Creek Reservoir Improvements September 2007 Questions Questions r c' y�. Morrison- .. _ Miierle,Inc