Construction of Seymour SPS 01 Rising Main

Goulburn Valley Water seeks a suitable contractor for the construction of the SPS01 rising main and associated works as shown on the drawings accompanying this specification.

The scope of works is as follows:

• Project management and preliminaries; including site establishment, mobilisation and demobilisation , setting out the works, approvals and permits.
• Construction of the new DN450 rising main via both open trench and trenchless methods within the denoted allowable works corridor as shown on the drawings, from the Oak Street pump station site to the

Seymour Wastewater Management Facility (WMF) (approx. 3,225 m in length) including:

▪ Site establishment, mobilisation and demobilisation, setting out the works, approvals and permits, establishment of protection zones for trees, service proving and traffic management
▪ Thrust restraint
▪ Isolation valves, air valves, scour valves and associated pits, surface boxes and markers
• Construction of 100m (approx.) of DN250 duplication at approx. CH 3000 including 5 gate valves along the DN250 duplication and 2 gate valves along the main DN450 pipeline as shown on the drawings
• Reconfiguration of the separate SPS16 rising main, including slip-lining a new OD63 rising main through the existing Tarcombe Road rising main and appropriate all fittings and appurtenances
• Minor modification to the concrete access point on the driveway at the Oak Street Pump Station
• Grouting of dual existing AC mains at road crossings
• Supply of equipment as necessary for the completion of the contract works
• Adherence to all requirements documented within:
▪ Conditions of planning permit by Mitchell Shire Council
▪ Cultural Heritage Management Plan as approved by Taungurung Clans Aboriginal Corporation
▪ Conditions of works as set out by Goulburn Broken Catchment Management Authority as well as those forming Works on Waterways approval
▪ Conditions of Flora and Fauna Guarantee Act Permit by DELWP