Sylvania Sewerage Pump Station Mechanical & Electrical Renewal Project   The Sylvania Sewerage Pump Station is located within a residential catchment of the Sutherland Sewerage System. The existing pumps had exceeded their design life and needed to be replaced. The wastewater pumping station is located…

Brooklyn WWTP – Chemical Dosing Renewal Project Renewal Strategy   Brooklyn WWTP is one of Sydney Water’s sewerage treatment plants servicing the local Hawkesbury River and Dangar Island regions. Deficiencies with the existing equipment and installation resulted in the project requirement to renew the plant’s…

Parklea Re-chlorination Plant Upgrade Re-Chlorination Facility   Sydney Water determined that the Parklea Reservoir Re-chlorination plant in north-west Sydney, could not meet future demands. The original re-chlorination plant consisted of small sodium hypochlorite tanks which required Sydney Water operations staff to manually top up three times…

Renewable Energy Generation Program – Biogas Sydney Water Assets –  The Australian average annual home consumption is 122.3 kWh or 6,360 kWh per year. Our Regeneration team, through the operation, maintenance and improvement of Sydney Water’s renewable energy generation program generated 86 GWh last financial…

Kincumber STP – Upgrade – Design & Installation of New Systems –  PET was awarded the contract to replace aging critical operational equipment associated with the heating system for the digesters at Kincumber Sewage Treatment Plant (STP).  The works form the first phase of the overall proposed refurbishment…

Belrose Landfill Leachate Treatment Plant – Design and Construct –  The Belrose Landfill Site leachate was discharged untreated to sewer.  The brief was to design and construct a leachate treatment plant to reduce the ammonia concentration discharged to sewer.  Sydney Water Corporation requires less than 50…

Warragamba Dam & Pipeline – Upgrade of Ladders, Platforms & Walkways – State Heritage Protection –  Warragamba Dam is located on the Warragamba River approximately 65 km southwest of Sydney. This PET project included the installation of new ladders, platforms and walkways and the modification/repair of some existing ladders, platforms…

Kincumber & Woy Woy STPs – Inlet Works Upgrade – Design & Construction of Facilities –  PET upgraded the Inlet Works of  Kincumber & Woy Woy Sewage Treatment Plants (STP).   PET scope of works included: ♦  Repair and protective coatings to Inlet channels and Grit tanks…

Cronulla WWTP Dewatering System Renewal System Project – Replace Centrifuges –  PET replaced the 3 existing centrifuges at Cronulla Waste Water Treatment Plant (WWTP) with 2 new Alfa Laval G3 type units, complete with relevant mechanical installation and control system. The existing third unit was decommissioned as part…

Malabar STP Digester Refurbishment Project – Ongoing Refurbishment of Digesters –  Malabar Sewage Treatment Plant (STP) is located in Sydney’s southern suburbs, and is responsible for processing nearly half of the city’s sewage through its primary treatment processes. The aim of this ongoing project is to refurbish 4…

Cronulla STP – Mechanical Works Project – Improve Reliability of Cronulla STP –  Cronulla Sewage Treatment Plant (STP) was upgraded from a primary to a tertiary STP in 2001. Detailed audits identified many mechanical, electrical and civil assets were now past their design life and showing…

Warriewood STP Odour Management Project – Design and Construct Odour Control Facility –  Warriewood Sewage Treatment Plant (STP) is located in a valley close to a main arterial road (Pittwater Rd) at Warriewood. The STP produces a high quality effluent treated to “secondary” standard using a…