Savcor delivers specialised HDPE welding for Werribee Main Sewer
The Australian Pipeliner — April 2011
The Werribee Main Sewer has delivered Melbourne’s wastewater to the Werribee Treatment Plant for over 50 years. Due to the deterioration of the original aqueduct spanning the Werribee River, its continued use required the replacement of the aqueduct section. Savcor Products’ specialist high-density polyethylene welding team ensured that the project was a success.
The Pipelines Alliance, a partnership between Fulton Hogan, Jaydo Construction, GHD and Melbourne Water Corporation has been charged with constructing the new aqueduct section of the Werribee Main Sewer.
The Pipeline Alliance utilised post-stressed, cast-in-situ bridge section and pre-cast transition sections for the tie-in to the existing conduit.
The new 185 m, 4.7 m diameter concrete conduit had a design life requirement of 100 years. This meant that careful consideration of the protective treatment for inside the conduit was required. Bluey Technologies supplied 5 mm thick AKS high-density polyethylene (HDPE), which provided the project with the necessary primary fluid containment and secondary protection against gas and abrasion attack.
Savcor’s specialised HDPE welding team was contracted to provide welding services for the critical HDPE lining works. The success of the liner is critical to the project. Savcor’s stringent DVS welding standard and testing regime has been implemented to ensure the high quality of the welding works.
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