Replacement of Three Pipe Creek Crossings



 

Job No:

355

Client:

Townsville City Council

Project Location:

Gordon Creek / Stuart Creek / Racecourse Road Creek, Stuart, Townsville

Approximate Value:

$1,089,000

Contract Time:

20 Weeks

Completion Date:

June 2015

Engineer:

GHD Pty Ltd

Referee:

ConsultCivil Pty Ltd, Glenn Stephens, 0412 177 975

 

The Western Outfall Pressure Main (WOPM) is a DN900 pipe approximately 5.4 km long that delivers wastewater flows from approximately 30 pump stations located in the western and southern sewerage catchments of Townsville to the Cleveland Bay Purification Plant (CBPP). The existing pipeline is more than 40 years old and was constructed using reinforced concrete pipe (RCP) for all of the below ground sections. The pipeline section between Oonoonba and the CBPP includes three above ground tidal creek crossings with concrete piers.  The original RCP’s at these crossings deteriorated, and were replaced with fibreglass reinforced pipes (FRP) approximately 25 years ago.  These FRP sections also deteriorated and were removed and replaced under this project.

 The three crossings were replaced with Mild Steel Cement Lined (MSCL) pipe supported by the existing pedestals. Also included in the scope of works was the provision of temporary by-pass pumping and pipework for dewatering during shutdown. Works were conducted within tidal movements to minimise any impact on the environment.

A pdf copy of this project can be downloaded here. (Download PDF)

 

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