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r <br />LW 6 FACILITIES CONSTRUCTION <br />11 <br />5.1 INTRODUCTION <br />The original design of the facility, and extension of the liner into the additional Lined Areas, was <br />prepared by a registered civil engineer. A registered civil engineer will prepare plans for future <br />landfill extension of the liner in accordance with applicable regulations. <br />San Joaquin County submits engineering designs and plans for each extension of liner (Lined <br />Area) to the regulatory agencies for their review and approval prior to construction. The design of <br />future Areas will comply with Title 27 and Subtitle D construction and design standards, or other <br />regulatory standards in force at that time. A CQA plan will be submitted for regulator review prior <br />to construction each liner extension and the approved Plan will be employed during construction. <br />The designs of Areas 1, 3, and 4 and future Area 5 was the design responsibility of Mr. Frederick <br />Cope, PE. Future designs will also be prepared under the direction of a registered civil engineer. <br />In future designs, advice may be solicited from experts in other areas such as geology, <br />hydrogeology, chemistry, and landscape. <br />The designs of Lined Areas are based on the current and planned disposal rates and practices, <br />and accommodate the physical setting of the site (climate factors, soils, drainage, etc.). <br />Estimates of waste volumes from the landfill service area influence lined area size and <br />construction schedule. Climate is considered in drainage design (Section 5.5). Soil engineering <br />properties and availability is considered in excavation plans and slope stability calculations <br />(Appendix B). In addition, the designs accommodate use by the general public (see also Section <br />6 - Landfill Operations). <br />North County RC&SL <br />Joint Technical Document <br />Page 23 of 68 Public Works/Solid Waste <br />County of San Joaquin — October 10, 2014 <br />