Early works package across multiple stages working directly for Sekisui House for this multi-staged development project

This large-scale development covering 10 acres, with each stage consisting of 2-3 mixed-use apartment towers. Chalouhi were engaged by Sekisui House as Principal Contractor therefore we were required to manage traffic management plans, contracts, utilities and stakeholders such as the RMS and local Council as well as other builders who were working adjacent to the site.

The early works package included bulk earthworks, detailed excavation, extensive soil remediation, stormwater tanks, construction of a roundabout, roadwork and landscaping. Further, we completed electrical works such as ASP 1 street lights with double pillar for electrical services with Ausgrid and stormwater tanks to be installed on-site. So far the project has been running for 2.5 years, moving from stage to stage, and now the builders are on the site so a lot of coordination is required with the builders, to mitigate any delayed to the large movement of people and machinery on-site.

Managing extensive unexpected finds during excavation

There were a large number of unexpected finds that were not documented in the initial environmental plan in the primary environmental investigation prior to Chalouhi’s engagement. The contractor had completed a services scan however a large quantity of unexpected finds were still uncovered. This included 12+ underground concrete and steel storage tanks with extensive hydrocarbon contaminations in the soil. We worked closely with hygienist environmental engineer specialists to develop a remediation action plan which involved further extensive testing including test pits and bore holes. Invasively digging up soil stockpiles and testing insitu.