Boring of low pressure sewer main under existing 1500 diam stormwater drainage pipes & connection into manhole.
Excavate jacking pit (9.5m long by 2.4m wide) with concrete floor and benching.
Form up, supply & install launch pad/thrust wall in jacking pit.
Supply & install of DN250 PE100 PN8 pipe; Construction of 2 x new manholes including PE lining.
Open trench 16.73m; Reinstate carpark and asphalt, testing of sewer main including CCTV.