Construction Quality Assurance

Project

Landfill Gas Interception Design and Installation

Location

Melbourne, VIC

Year

2022

Services

Landfill Gas Mitigation Design, Construction Quality Assurance

Project Solution

Core Environmental Projects (Core-EP) were engaged to design and supervise the construction of a landfill gas mitigation system for the construction of a multi-storey development located directly above a former municipal landfill, containing significant methane and carbon dioxide concentrations.

Core-EP initially prepared a concept then detailed design for tender, allowing the client to go to market. Given the significant volumes of landfill gas in the ground, further exploratory works were completed to directly measure the landfill gas emissions, including but not limited to surface emissions surveys through the landfill cap. These direct measurements were ultimately used to inform a scientifically defensible and cost-effective building gas protection design.

Core-EP was subsequently engaged to complete construction quality assurance during the construction of the landfill gas mitigation system to independently demonstrate the protection system had been installed as intended and facilitate endorsement by the appointed EPA Auditor.

Following the construction of the landfill gas building mitigation system, Core-EP also designed and implemented a monitoring and management plan to ensure the system's ongoing performance and compliance with regulatory standards. The monitoring and management plan was designed to provide a high level of assurance that the landfill gas mitigation system would continue to protect the health and safety of the building occupants and the environment from the potential impacts of landfill gas migration. Core-EP also provided training and guidance to the building staff and contractors on how to operate and maintain the system and respond to any emergencies or incidents involving landfill gas.

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