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Orange County Eubanks Road C&D Landfill <br />Construction Quality Assurance Plan <br />Revised March 15, 2021 <br /> <br /> <br />4. Landfill Gas Management Components <br /> <br />a. Materials Quality Control <br /> <br />1. Contractor shall provide certifications for piping and aggregates used in the <br />system. <br /> <br />2. Contractor shall provide submittals for all components for gas collection <br />system for review and acceptance by the Design Engineer. <br /> <br />b. Construction Quality Assurance <br /> <br /> 1. CQA firm shall verify piping and aggregates meet the material specifications. <br /> <br />2. CQA firm shall observe and document excavation of vent pit and record <br />depths. <br /> <br />3. CQA firm shall observe and document the installation of a separation textile, <br />installation of #57 stone bedding for the vent piping, slots in piping were cut <br />into the pipe and installed facing downward, the remaining pit is filled with <br />#57 stone, bentonite plug is installed around vent pipe, and the gas vent cap <br />and screen is installed. <br /> <br /> <br />DocuSign Envelope ID: 0844D1D6-E311-4FC5-8B5B-BB1E27A908ED