WaterUtilities

Farmlands Pipe Replacement, Narembeen

Benang replaced ageing steel water mains across two packages in the Shire of Narembeen for Water Corporation, installing around 349 metres of new DN200 and DN250 mild steel cement lined main. Both packages included trenchless crossings of the Merredin Narembeen Road.

Client
Water Corporation
Sector
Utilities
Services
Water
Location
Narembeen, WA
Dates
2022 to 2023
  • Challenge

    Two sections of ageing steel main in the Wheatbelt had reached the end of their service life. Both replacements crossed a regional road, so the new main had to go under Merredin Narembeen Road without closing it.

  • Approach

    Benang replaced the steel mains across the two packages with DN200 and DN250 mild steel cement lined pipe, around 349 metres of new main in total. At each road crossing the crew used trenchless methods to keep the road open.

  • Outcome

    The work reached zero lost time injuries and zero environmental incidents, with Aboriginal participation up to 30 per cent, supporting safe and reliable water supply for the Narembeen community.

Wheatbelt farmland at Narembeen where Benang replaced the Farmlands water main
349m

New MSCL main (DN200 and DN250)

385m

Old steel main removed

Benang plant fleet on the Farmlands pipe replacement at Narembeen
Crew lowering the new main into the trench at Narembeen
12

Peak crew

30%

Aboriginal participation

0

Lost time injuries

Worker at the trench shield on the pipe replacement
Pipe strings staged beside the alignment
Crew jointing pipe inside the shored connection pit
New main bedded in the trench on the Wheatbelt alignment
Existing main exposed and wrapped in the trench
Loader and excavators working the alignment at Narembeen
Pipe deliveries arriving along the alignment
Resealed road along the completed pipe replacement alignment
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