Quotation Are Invited For Takuvaine Dwellings Water Supply 1 IntroductionThe Te Mata Vai Project Management Unit Tmv Pmu Requires Construction Of A SmallAbove Ground Pumping Station To Supply Water From The New Takuvaine Reservoir To Dwellings AtThe Upper End Of Happy Valley Road There Is An Existing Dn63 Falling Main From The Takuvaine Intake Which Supplies TheseDwellings Before Terminating At A Flushout At The Takuvaine Stream The New System Will Reconfigure The Existing Dn63 Falling Main To A Rising Main To Pump Water From Below The NewWater Treatment Plant And Storage Tank To The Properties Up The Hill The Upper Section Of ThePipe At The Intake Is To Be Isolated And A Small Above Ground Pump Station Built Near TheExisting Flushout Pipe Below The New Water Storage Tank See Drawing Number 12504023 01This Rfq Is To Supply And Construct The New System As Described 2 Request For QuotePlease Provide A Lump Sum Quote For The Works Described In This Document By Completing TheSchedule Provided Attachment 2 The Closing Date For The Return Of Quotes Is Friday 7Th June 2019 At 15 00 Hours All Enquiries Shall Be Addressed To Jeff Tuck At The Following Email Address Jeffrey Tuck Ghd Com Quotes Shall Be Returned Either By Hard Copy Delivered To The Pmu Office Or By Email To JeffTuck At The Email Address Above The Offer Shall Remain Open For Acceptance For A Period Of Sixty 60 Working Days From TheAcceptance Of This Tender 12504023 12504023 Rft Tmv Takavaine Dwellings Water Supply Final 2A Site Visit With The Engineer Is Available On Tuesday 28Th May At 10 00 Hours PleaseConfirm By Email If You Will Attend Meet At The Pmu Conference Room 3 Contract Agreement And Terms And ConditionsThe Successful Tenderer Will Be Awarded A Contract Based On The Cook Islands GovernmentTerms And Conditions For A Low Value Construction Contract See Attachment 1 Terms And Conditions For A Low Value Construction ContractThe Total Value Of The Contract Will Be Based On The Attached Scope Of Work Drawings AndTechnical Specification Using The Rates Supplied In The Attached Schedule Of Rates Some Components Of The Works Will Require Instruction By The Engineer On Site The Quote WillBe Adjusted For Any Variations To The Scope Based On The Rates In The Schedule Of Rates WereApplicable If The Rates Are Not Applicable The Engineer Will Agree A Price With The Supplier See Attachment 2 Schedule Of Rates The Quotes Will Be Evaluated By The Pmu Based On The Price Submitted Conformance With TheSpecification And The Availability Of Plant And Labour The Supplier Shall Provide A Schedule Showing The Start And Finish Dates And The Duration Of TheMain Activities Including The Supply Of The Pump And Any Materials Completion Date 31St July 2019 Payment Will Be Made Upon Completion Of The Works Progress Payments Will Be Allowed If TheWorks Is Over A Period Greater Than 4 Weeks 4 Scope Of Works And Technical SpecificationsThe Scope Of Works Includes The Supply Of Materials Construction And Commissioning Of TheItems Described In This Scope Of Works And Schedule And With Reference To The Sketches InAttachment 3 The Materials To Be Supplied For The Works Described In The Scope Of Works And Drawings ShallBe New And Not Second Hand Or Refurbished In Any Way All Pipe Materials And Fittings Shall Comply With As Nzs Standards And Guidelines Reinstatement Of The Excavated Trenches Is To Be With A Compacted Bedding Surrounding TheInstalled Pipes And Ducted Cable Trenches In The Road Shall Be Backfilled With A CompactedRoading Aggregate With An Appropriate Seal The General Approach To The Works Will Involve 1 Pump House Construction1 1 Remove Vegetation And Topsoil At The The Pump House Site Prepare A SuitableFoundation Subgrade Using 50Mm Depth Site Concrete 1 2 Construct A Blockwork Pump House On A 300Mm Reinforced Concrete Slab With AGalvanised Corrugated Iron Roof And Secure Stainless Steel Door With Padlock 12504023 12504023 Rft Tmv Takavaine Dwellings Water Supply Final 31 3 Install Inlet And Outlet Pipes In 50Mm Diameter Grade 316 Stainless Steel Pipe AndFittings With 50 Mm One Way Stop Valve On Pump Inlet 1 4 Install The Pump And Pressure Tank Components 1 5 Connect The Pump And Pressure Tank To The Inlet And Outlet Pipes 1 6 Connect 220V Single Phase Underground Cable In A Duct To Supply Power To The PumpHouse1 7 Install The Pump Control Panel And Electrical Board And Connect The Power Supply AllElectrical Power Connections Shall Be Carried Out By A Fully Qualified Electrician And ASigned Test Certificate Shall Be Supplied To The Engineer On Completion Of The Work 2 Water Supply Connection And Rising Main Works2 1 Develop And Submit A Traffic Management Plan And Provide Traffic Management WhileWorks Are Being Undertaken In The Access Road 2 2 Connect The Dn63 Pe Pump Feed Pipe To The Existing Dn90 Pe Water Supply MainUsing Dn 90 X 63 Tee With Compression Fittings 2 3 Install A New Sv On The Dn63 Rising Main2 4 Install A Scour Outlet Valve And Non Return Valve At The Upper End Of The Dn63 RisingMain Installation Of The Scour Valve And Sv Should Be Done After The Pump IsOperational To Minimise Disruption To The Residents 2 5 Cap The Existing Dn63 Intake Line Where The Pipe Has Been Cut For Construction Of TheScour Outlet Note That The Existing Dn63 Falling Main Has A Gate Valve Installed NearThe Intake This Has Not Been Tested For Operability And The Capping May Need To BeDone Under Flow Conditions 3 Electrical Power Supply3 1 The Contractor Shall Arrange For The 220V Single Phase Power Supply ConnectionThrough Tau 3 2 Lay Cable Ducts As Required By Tau From The Nearest Overhead Power Pole To The PumpStation 4 Commissioning And Testing4 1 Set The Pressure Control To The Appropriate Pressure 4 2 Visual Inspection Of The Pipe Joints And Fittings Under Normal Working Pressure By TheEngineer Prior To Reinstatement To Ensure That The Joints Are Water Tight And OperatingAs Expected 4 3 Reinstate All Excavations 4 4 Provide Red Pen As Built Mark Ups On Completion 4 5 Provide Manuals And Warranties For The Installed System Components 12504023 12504023 Rft Tmv Takavaine Dwellings Water Supply Final 4Only Ici Have Authority To Open And Close Valves For The Purposes Of Isolation Or Bypassing Flow So They Must Be Contacted For The Decommissioning Of The Dn63 Falling Main And When The Connection IsMade To The Dn90 Supply
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