YVW – Donnybrook Road East Branch Sewer - Separable Portion 2

The Donnybrook Road East Branch Sewer (DREBS) will provide a gravity sewer connection for the adjacent developments (Donnybrae, Mirvac and Peppercorn Hill) and a rising main from Woodstock East Sewage Pump Station, all in the Northern Growth Area. The total length of the proposed sewer is 3.6km. The DREBS will discharge to the Amaroo Main Sewer.

Separable Portion 2 includes the construction of 645m of DN600 & DN525 GRP gravity sewer at depths up to 10m by open cut and 1,060m of DN600 trenchless methods and associated manholes up to 15m deep in basalt rock with strength up to 160MPa.