Registration Of Interest (Roi) For Helensville Primary - Blk 14, Site: Drainage Remediation

Registration Of Interest (Roi) For Helensville Primary - Blk 14, Site: Drainage Remediation. Open Date: Friday, 11 August 2023 9:00 Am (Pacific/Auckland Utc+12:00) Close Date: Friday, 1 September 2023 5:00 Pm (Pacific/Auckland Utc+12:00) Tender Type: Registration Of Interest (Roi) Tender Coverage: Sole Agency Regions: Auckland Required Pre-Qualifications: None Overview: Field Drainage Cctv Investigation And Hydrojetting Has Been Carried Out To Map Out The SchoolS Entire Stormwater And Waste Water Network. Further Work Is Required To Address The Drainage Issue The School Is Experiencing On The Playing Field. Engage With A Drainlayer To Scope The Works Required. Excavate And Install Lateral Drains Include Gravel Bands Dispose Of Soil Expose, Remove And Install Modern Approved Subsoil Drainage Systems To Replace The Older Style Subsoil Drain Install Vertidrain Seed Playing Fields With Grass Seed. Apply Fertiliser Kowhai Block Cctv Investigation And Hydrojetting Has Been Carried Out To Map Out The SchoolS Entire Stormwater And Waste Water Network. Further Work Is Required To Address The Drainage Issue The School Is Experiencing Around Kowhai Block. As Per Cctv Investigation, The Stormwater Drain Suffers From A Broken Pipe And Major Cracks Within, Causing Blockages (Cesspit 23 Towards Trackline 4) - Cut And Remove The Hard Surface. - Excavate Down To Locate Marks. - Cut And Remove The Affected Sections By Approximately 8-Meters. - Replace The Removed Section With A New Pvc Pipe. - Backfill. - Reinstate With Plain Concrete / Hot Mix Asphalt. - Upon Completion, We Will Remove Spoil. Cesspit 15 Towards 25 : - Establishment. - Hydro Jetting The Pipe Clean. - Cut And Remove Hard Surfaces. - Excavating Down To Defective Earthenware Joint Displacement, Cracks And Root Ingress. - Expose And Remove The Defective Earthenware Root Intrusion Section. Install X1 150Mm 13-Meters Of Cipp Liners To Seal The Cracks, Root Intrusion And Joint Displacement Section - Backfill With Hardfill And Compact. - Reinstatement Of Hard Surface As Required. - Upon Completion, Remove Spoil. - Post-Construction Cctv. - Disestablishment Tender Link : Https://Www.Gets.Govt.Nz/Medur/Externaltenderdetails.Htm?Id=27852496