Deep Excavation, Electrical, Manholes, Sewer, Stormwater, Water Main
Bulk earthworks and backfilling for a bio reactor measuring 10m deep, 120m long and 66m wide. The project included mixed utilities, ITS conduits, stormwater drainage, water mains, brine lines and sewer pipes with diameters ranging from 300mm to 1200mm. The work also involved extensive welding, testing and above-ground mechanical pipework up to 750 DACL.
1200mm 750DICL and 813MSCL
Up to 10m
1.2km
Mixed utilities, ITS conduits, stormwater drainage, water main, brine lines, sewer pipes
300-600mm stormwater concrete
CCTV inspection and testing of lines, hydro-testing and commissioning
Water main, up to 300mm
Brine lines, up to 375mm
Working in water charged ground
Inclusion of welding
Reinforced RCP Pipe encasements
Backfilling and installation of air valves, stop valves, micro tunnelling
