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Collaroy Culverts

Project Description: 

Demolition and removal of two existing timber bridges and construction large cell concrete box culverts in their place 


Demolition of existing infrastructure, dewatering and works in waterways, excavation, concrete works, installation of 3000x1500 RCBCs, backfill, pavement construction, rock protection and landscaping


Groundwater inundation into the work area requiring ongoing dewatering