Project Name: South Landfill Closure
Client: Rio Tinto
General Contractor: Daudet Creek Contracting
Date: April 2017 to January 2019
Contract: Unit Price
Scope: Preliminary layout and survey, slope and upper landfill covering with construction of a swale and perimetre road. Side slope and upper surface works included: final sub-grade grading and sloping (vegetation removal, detailed grading, and compaction); the supply and install gas venting, bituminous geomembrane liner, synthetic drainage material, topsoil, and hydroseed/shrub cover on slopes. Decommissioned 8 wells and supply and install settlement plate, vibrating wire, and monitoring well materials. Supply and install final sub-grade road crush for perimeter road, swale with cocomat, and upper landfill.
Challenges: Environmentally sensitive area.