Request For Tenders Rft For Waipawa Trunk Sewer Main Renewal Open Date Monday 18 March 2019 4 30 Pm Pacific Auckland Utc 13 00 Close Date Wednesday 24 April 2019 2 00 Pm Pacific Auckland Utc 12 00 Tender Type Request For Tenders Rft Tender Coverage Sole AgencyRegions Hawkes BayRequired Pre Qualifications NoneOverview Central HawkeS Bay District Council Wishes To Notify Prospective Selected Suppliers Of A Tender Rft For A Build Contract To Deliver Upgrades To The Main Trunk Sewer From Mcgreevy Street To The Waipawa Wastewater Treatment Plant Wwtp The Sewer Is Predominantly Located Within Private Property And Is Known To Have Poorly Sealed Joints That Allow Significant Groundwater Infiltration And Tree Root Ingress Into The Pipework The Objective Of The Renewal Rehabilitation Project Is To Provide A Robust Sealed Sewerage Connection From The Town Centre To The Wastewater Pond At The Wwtp The Programme Forms Part Of The Big Water Story And Has Been Allocated Budget In Year One And Two Of The Upcoming Long Term Plan Ltp The Waipawa Trunk Sewer Main Is A 375Mm Diameter Earthenware Pipe Which Spans For 2 2Km East Of Waipawa Town Centre The Trunk Main Was Installed In 1910 And Has Always Been Intended As Only A Wastewater Conveyance System In Practice Anecdotal Observations And Flow Monitoring Studies Have Confirmed That Significant Stormwater Flows Enter The Main During Rainfall Events The Additional Flows Are Known To Result In Surcharging Of Manholes And Backing Up Of Domestic Flows Within Residential Properties
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