SA Water’s North South Interconnection System Project (NSISP)

The NSISP is a crucial component of SA Water’s Network Water Security Programme, a long-term strategy to deliver a flexible, integrated solution for water transfer and distribution until 2050.

DRASOL were engaged to assist York Civil install a 750mm diameter MSCL pipe through the North Eastern Metro suburbs over a 6 month period in challenging, live traffic conditions.

Works carried out included:

  • Service locating and hydro-vac potholing
  • Deep excavation up to 6m with dewatering
  • Shoring and temporary protection of existing services
  • Pipe preparation for welding
  • Installation of isolation and scour valves with associated chambers
  • Pipe wrapping and protective coating systems
  • Pavement reinstatement
  • Pedestrian management

The asset was installed through a range of sensitive locales including creek crossings, residential areas, public open space and major road intersections.

DRASOL’s can-do attitude coupled with a sound approach to safety and quality enabled the project to achieve increased productivity and time savings on projected programme durations.

CLIENTYork Civil
LOCATIONSouth Australia
SERVICESExcavation, pipe laying, temporary road construction, shoring
TIMELINE2012 – 2014