A new office development built on an existing on grade carpark was built by Hindmarsh.
Delta was contracted to do the bulk excavation, lateral support – which include the perimeter piling anchors and perimeter shotcrete, detail excavation works, roadworks, new stormwater drainage ,a new sewer installation and a new access road to the building and an additional carpark entrance as part of the Da Conditions for the works to proceed.
The bulk earthworks consisted of over 40000 m3 of material in a large footprint of approx 6500m2. The Bulk Excavation scope of works included 150 no perimeter shoring,1200 m dia Load bearing piles, anchors , construction of Shotcrete walls, slab prep and all detail excavation.
A real challenge encountered was the in ground water encountered in the basement 3 of the excavation and this had to be dealt with to ensure the programme was maintained.
The roadworks consisted of a new road construction to link up with the existing access road, which encompassed new storm water drainage ,new sewer installation, and a large water main relocation running the length of the site.