Delta Shake & Shingle Landfill Closure

Client:
Ocean Trailer
Location:
Delta, BC

 
The Delta Shake & Shingle site was a privately owned landfill. JJM worked with the site owner and project engineer to develop a remediation plan to relocate and consolidate existing demolition, land clearing and construction (DLC) waste into a new, contained landfill structure that could serve as a 5 Ha parking area for the owner’s use.

DLC waste was excavated and relocated to a new, prepared location on site, while utilizing construction methods and site planning to minimize the risk of igniting fire in the waste material. The prepared site included installation of an impermeable LLDPE liner and leachate collection system,  for treatment and disposal. This results in approximately 18,000 m³ (18,000,000 litres) of leachate being captured and diverted each year, keeping it from seeping into groundwater, or flowing into Burns Bog or tributaries of the Fraser River.

The new landfill structure incorporates a geomembrane cap to prevent future leachate production by shedding 100% of new precipitation. It also allows for the capture of close to 100% of the landfill gas generated. Nearly 20,000 tonnes of greenhouse gases are anticipated to be diverted from the airshed through this system. Surface runoff management incorporates a 6,000 m² storm retention pond to moderate flows from the site. The overall drainage management system also allows clean surface water to be channeled and released into the environment without treatment.

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