Wellington Water are calling for submissions from highly skilled and experienced Contractors to undertake proposed works on a 1350 mm diameter corrugated metal pipe in South Karori, Wellington.

The scope for this project is the following:
* Repair the invert of the existing corrugated metal for culvert stabilisation
* Rehabilitate the culvert using a structural liner over the full length of the culvert to support loads independent of the host pipe
* Culvert improvements that includes riprap installation and stream realignment at the inlet
* Install fish passage device(s) over the whole length of the culvert
* Temporary access track to the culvert inlet
* Temporary flow diversion to create dry working area when carrying out the works

The respondents to the Registration of Interest (RoI) will be reduced to a shortlist of three companies who will be invited to respond to a Request for Tender. The minimum requirements are set out in the RoI document that are attached to this notice.

The closing date and time is 2.00pm, 17th October 2016.