The Sperling Pumping Station project involved the long term permanent bypass system (for the duration of the project and beyond), pump chamber, submersible pumps, valves and piping, a hot tap connection to the existing 508 mm force-main, connection manholes, electrical control system, power supply and temporary standby generator. A long term permanent submersible pump bypass system was provided that was able to pump the required 610 l/s at a total dynamic head of approximately 10 m without interruption for the full construction period and beyond. Full 24/7 standby, supervision and monitoring of the pumps was also provided.
The project also involved upgrades to the pump station intake works including the following; a new sewer junction chamber, wet well modifications, and a new inlet slide gate; New larger sewage pumps and motors; Replacement and modifications to the suction and discharge piping and valves; Replacement of all pump discharge piping and valves; New valve chamber at connection of pump header and forcemain, including flow meter and valve(s); Electrical and communication upgrades including new hydro feed, dual voltage 25/12.5 kV transformer and switchgear, PLC, MCC, etc., reduced voltage starters and communications equipment; New HVAC systems, lighting systems, and plumbing system; New standby generator system; New odour control system; Building additions to house the upgrades; Architectural and landscaping improvements; Seismic upgrades; Two access roads, paving and curbing, landscaping, etc.