Major sewer upgrade underway

21 August 2003

Between 2000 -2010 Christchurch City Council is undertaking a major sewer reticulation upgrade programme, in order to match the upgraded capacity of the wastewater treatment plant for city population growth and expansion, and to reduce the frequency of overflows that occur in wet weather. This is part of the total upgrade of sewer works planned out to 2040.
 
The 10 year programme has been in the planning stages for a number of years, and some of the work is already underway. The projects planned include:

• A pressure main diversion from Pumping Station 60 in Halswell Road to a larger capacity system in Wigram (2003 - work is almost complete.)
• A new pumping station No 11 at Randolph Street in Linwood (2004-2005 - design and purchasing underway)
• A new pressure main from Pumping Station No 11 to Christchurch Wastewater Treatment Plant (2002 –2004)
• A new Western Interceptor Sewer diverting flow away from Pumping Station No 1 in Pages Road to new Pumping Station 11 in Linwood (2005-2009)
• Southern Relief sewer improvements in Moorehouse Ave (2009/2010)
• The upgrade of the capacity of Pumping Station 20 in Locarno Street and new pressure main to Pumping Station No 11(2002-2003)
• Sewer Upgrade from Fisher Ave to Pumping Station 20 (2004-2005)
• New Maidstone Road pumping station and pressure main diversion (2009/10)
• Northern Relief Sewer Duplication Stage 1 (2009/10)
• Grassmere Storage (2009/10)
   

City Water and Waste manager Mike Stockwell says that the improvements are part of the continuous upkeep of the city’s infrastructure. “As the city grows, greater demand is placed on essential services such as the sewerage system. This programme is a major commitment by the council, requiring a significant amount of rates funding. During construction of the various projects, some people such as residents, business owners and drivers may be affected in different parts of town. We will endeavour to inform them in plenty of time about the work, and how long it is likely to take.”

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