Waipa District Council (Council) invites tenders for Wastewater Pipe Relining.

The Wastewater Relining contract works are located in several locations in Cambridge and Te Awamutu.

Works are to be completed over three years, with one separable portion for each year.

The Contract works include the following:

• Survey of manholes to confirm pipe inverts & lid levels;
• Full cleaning, pre and post CCTV inspections of gravity sewers;
• The renewal of existing gravity sewers with a full structural liner such as spiral wound or Cured In Place Pipe (CIPP);
• Cut and seal of existing property service connections;
• Manhole inspection and assessment reports;
• The renewal of existing wastewater manholes with a full structural liner incorporating Calcium Aluminate Cement (CAC);
• Infiltration and root treatment of manholes if required and approved by the Engineer; and
• Removal and replacement of step irons, lids, frames, covers and grates if required and approved by the Engineer.