Civil Site Services Trenches Contractor
Tender ID: 542445
Tender Details
Tender Description
The Seasim Expansion project requires expansion and replacement of existing site services infrastructure, and this procurement includes for the following new services in new trenches:
- Seawater Rising Main Trench - New seawater line and a HV cable supply to be provided from the current seawater processing site through to the Marine Operations Substation. This requires approximately 1 km of trenching and services installation in an existing road including a new 315mm HDPE seawater line, a 160 HDPE HV conduit and a 100mm communications conduit as well as associated pits etc.
- Electrical Incomer Trench - New Ergon 160mm HDPE incomer conduit, 100mm communications conduit and a 50mm Ergon communications conduit of approximately 750m in length.
The trenching works will progress largely within the existing roadway and involve extensive excavation in rock.