|
Well Redevelopment For Chaster Well Improvements (Phase 2) . Optional Site Meeting: A Site Meeting Will Be Held On March 24, 2025 At 1:00 Pm Local Time At Enter 252 Knight Road, Gibsons, Bc. Proponents Need To Rsvp By March 21, 2025 To Purchasing@Scrd.Ca If No Rsvps Are Received The Site Meeting May Be Cancelled. The Scope Of Work Consists Of, But Is Not Limited To, The Following Major Work Activities: 1) Well, Well Pump And Well Motor Works: A) Based On The Results In The Professional Geoscientist’S Hydrogeological Report, Which Will Be Provided To The Contractor Prior To The Work Commencing, The Contractor Will Supply, Install, Integrate And Commission The New 150Mm Diameter Stainless Steel Submersible Vertical Multistage Pump. The Following Model Or Similar Is Anticipated: Franklin Pump And Motor Assembly, Model 300 Ssi 50 F66 1464 Or An Approved Equivalent. B) New Pump And Motor Size And Set Depth To Be Verified By The Contractor In Combination With The Contractor’S Professional Geoscientist (P.Geo.) Based Upon The Contents Of The Geoscientist’S Well Redevelopment Report From Phase 1 Of This Project. Verification Of The Recommended Pump And Motor Replacement To Be Reviewed By The Regional District’S Engineer Of Record. C) Services Required To Be Completed By A Registered Well Driller Or Pump Installer In British Columbia And A Professional Geoscientist (P.Geo.) Or Approved Equivalent: I) Complete A 48-Hour Constant Rate Pump Draw Down Performance Test And Interpret The Results To Demonstrate The Performance Of The New Pump And Motor. The Contractor To Provide A P.Geo. Stamped Pump Curve And Stamped Hydrological Report To The Regional District In The Form Of A Submittal For Review And Comment Prior To Ordering The Replacement Pump And Motor Assembly. Ii) Once The New Motor And Pump Assembly Is Installed And The Remaining Work Is Completed, The Pump Station Facility To Be Successfully Commissioned By Completing A Minimum 48-Hour Fault Free Continuous Automated Operation. 2) Construction Works: A) Removal And Disposal Of The Utility Valve Vault, Slab, And Footings. B) Supply And Install The Required Base, Precast Valve Vault And Specified Lid As Shown On The Drawings. C) Construct Site Mechanical Improvements With The Installation Of A New Accessible Valve Vault To House The Mechanical Pipe Appurtenances And Flow Controller. 3) Electrical, Mechanical And Control Works: All Components, Where Applicable, To Adhere To The Canadian Electrical Code (Cec) Standards. A) Complete The Electrical Design, Fabrication And Install For All The Required Electrical Wiring And Connections To The New Motor And Pump Assembly, Including All Wiring Connections To The Motor Control Center. B) Design, Fabricate, Install, Integrate And Commission A New Automated Variable Frequency Drive (Vfd), With An Outlet Dv/Dt Filter, Motor Control System, Complete With All The Electrical And Motor Control Components, Fully Integrated And Functional Automated Pumping Control Scada Motor Control System. The Design Will Be Provided By A Professional Engineer Procured By The Contractor And Scada Request For Proposal 2537007 Sunshine Coast Regional District Page 11 Of 34 Integrator Licensed In British Columbia. Stamped And Sealed Drawings Will Be Submitted For Approval To The Regional District As Part Of The Submittal Review Process. C) Installation Of An Electronic Interface Flow Control Metering Valve Assembly With An Electronic Flow Controller Complete With A Scada Point Of Connection Device. D) The Contractor Will Be Responsible For The Full Engineering, Fabrication, Supply, Installation, Testing And Completion Of A Continuous 48-Hour Fault Free Commissioning, As Determined By The Regional District, Of The New Pump And Motor Operating System, Ensuring That It Is Compatible With The Existing 480 Volt, 3-Phase Power Supply, The Electrical And Control System Will Be Calibrated And Ensure Seamless Operation And Monitoring With The Regional District’S Existing Scada Infrastructure. E) Installation Of A Well Level Data Loggers With Sounding Tubes. 4) Utility Works: A) Complete All Site Civil Improvements Including The Removal Of The Below Ground Well Head Followed By The Raising To Above Grade And Connecting To The Distribution System. B) Upsizing The Existing And Undersized 100Mm Discharge Piping That Leaves The Well Head To New 200Mm Class 52 Ductile Iron Piping Complete With All New Valving And Service Lines. C) The Replacement Of The Two (2) Existing Distribution Gate Valves With New 200Mm Valves. D) Supply And Installation Of Above Grade Drinking Water 4Inch X 8Inch Diameter Pitless Adaptor Wellhead And Sanitary Seal Assembl
|
