This $7 million project for Central Coast Council involved the construction of a new waste cell (4.3) including supply and installation of double liner system and leachate conveyance system.
Robson constructed new access roads and upgraded the site water management with construction of additional sedimentation dams and drainage structures.
The scope of works included:
- Bulk excavation of 400,000m³ some of which was in rock.
- Supply and install composite cell liner system using Geosynthetic clay liner, 2.0mm HDPE with geotextile protection
layer. - Supply, installation and commissioning of leachate capture, storage and management system within cell.
- Upgrade existing leachate storage ponds by increasing capacity and installing composite liner system.
- Upgrade and construct new access and haul roads and associated drainage.
- Upgrade and construct new sediment control ponds.
Project gallery
Highlights
- Design solutions for ballasting of cell wall liner on intermediate bench.
- Savings to client through redesign and innovation.
- Flexibility and cooperation with waste management staff to minimize adverse impacts of construction on day to day operation of the facility.