Dargaville High School – Site Drainage Remediation

Overview The Ministry of Education (NZ) is seeking a contractor to remediate the stormwater and wastewater drainage networks at Dargaville High School, 57 Plunket Street, Dargaville, in line with the Remedial Schedules (SW and WW). Scope The works cover 30 stormwater lines and 14 wastewater lines, ranging from 80mm to 450mm in diameter, in earthenware, PVC, concrete, asbestos cement and relined pipe. The scope includes: Removal of the illegal connection by redirecting the caretaker's shed toilet and basin (WWHOL14_JCT6) from the stormwater system to the closest wastewater asset via a pumped connection (design, supply, installation, power supply and commissioning) Full and part pipeline replacements Pipe relining and spot repairs Root cutting, heavy cleaning and debris removal Exposing and raising buried manholes, and repairing manhole channels and benching Replacing missing inspection caps Exposing JCT3, installing a new mini chamber and completing CCTV of the line downstream to WWMH8 Post-works CCTV of every line worked on Reinstating all disturbed surfaces (asphalt, concrete, paving, grass and gardens) to match existing Handing over final as-built drawings, drainlayer records of work, commissioning records and warranties Contractor Requirements Responsibility for the design of the pumped connection and the SWMH21_SWMH22 re-route, and any works arising from the Provisional Sums Obtaining any building consent, producer statements and Code Compliance Certificate needed for these works Contract Terms and Conditions Provisional Sums cover pipelines without a full condition assessment and further works found by re-CCTV inspection, and are to be spent only on the Engineer's instruction The works are on an occupied, operating school site and will be delivered as a single stage, with one handover at Practical Completion Enquiries All enquiries are to be made through GETs.