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® WorleyParsons <br /> resources&energy <br /> • Location of natural gas relief valves, any potential chemical releases, and significant <br /> heat rejection to ambient air will be separated from CTG and generator air intakes. <br /> 2.2 Sitework <br /> Clearing, excavation, backfill, and grading will be performed as required to construct the <br /> facility and achieve finished site grades as described in this section. <br /> 2.2.1 Site Clearing <br /> The site will be cleared of trees, shrubs, and vegetation to the extent necessary to construct <br /> the facility. Provisions for special features (i.e., trees, monuments, or other items) that are <br /> to remain and be protected during construction shall be made. <br /> 2.2.2 Excavation <br /> Excavation work will consist of the removal of earth, sand, gravel, vegetation, organic <br /> matter, rock, boulders, and debris to the lines and grades necessary for construction. <br /> Materials suitable for backfill will be stockpiled at designated locations using proper <br /> erosion protection methods. Disposal of any excess uncontaminated backfill material will <br /> be to a designated landfill area. <br /> Dewatering of excavations will be done if and when necessary to support construction <br /> activities. <br /> 2.2.3 Backfilling <br /> Backfilling will be done in uniform layers of specified thickness. Soil in each layer will <br /> be properly moistened to obtain its specified density. To verify compaction, <br /> representative field density and moisture-content tests will be taken during compaction. <br /> Structural fill supporting foundations and other critical structures, and general site fill will <br /> be compacted in accordance with the criteria specified by the Geotechnical Investigation <br /> Report. <br /> 2.2.4 Grading <br /> Site grading design will comply with applicable land development regulations. Graded <br /> areas will be smooth, compacted, free from irregular surface changes, and sloped to drain. <br /> Final earth grade adjacent to equipment and buildings will be below finished floor <br /> elevations and will be sloped away from foundations as necessary to maintain proper <br /> drainage. <br /> Prior to any further construction all graded areas under roadways, foundations, or other <br /> supportive areas will have a compacted subgrade consisting of at least the top 6 inches <br /> Lodi Energy Center 3.2-2 LEC AFC <br /> 071608 Rev.A <br />