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materials damaged during placement and compaction of the berms, at the <br /> EARTHWORK CONTRACTOR's sole expense. <br /> C. All geosynthetic materials underlying the berms will be inspected and approved <br /> by the QA/QC CONSULTANT prior to placement of the general or clay earthfill. <br /> D. During all compacting operations, maintain optimum practicable moisture content <br /> required for compaction purposes in each lift of fill. Maintain uniform moisture <br /> content throughout the lift. Insofar as practicable, add water to the material at the <br /> site of excavation. Supplement, if required, by sprinkling the general or clay <br /> earthfill. At the time of compaction, the water content of the material shall be at <br /> the optimum moisture content,f4 percentage points per ASTM D1557. <br /> E. Do not attempt to compact general or clay earthfill material that contains <br /> excessive moisture. Aerate material by blading, discing, harrowing, or other <br /> methods,to hasten the drying process. <br /> 3.17 DITCHES AND TRENCHES <br /> A. Place general earthfill, as necessary, and excavate ditches and trenches to achieve <br /> grade and dimensions shown on the Construction Drawings. <br /> B. Excavate, as necessary, to repair any existing drainage structure damaged during <br /> construction. <br /> C. Minimum width of trenches shall be 12-inches greater than outside diameter or <br /> width of pipe. Maximum trench width is unlimited, unless otherwise shown or <br /> specified, or unless width will cause damage to existing facilities, adjacent <br /> property,or completed work. <br /> D. Pipe bedding grooves shall be semi circular, trapezoidal, or 90 degree V. The <br /> grooves shall be excavated or plowed into the trench bottom. Forming groove by <br /> compaction will not be acceptable. <br /> 3.18 PLYWOOD SHEETING <br /> A. Install at the locations shown on the Construction Drawings. <br /> 3.19 SITE GRADING <br /> A. Perform all earthwork to the lines and grades as shown on the Construction <br /> Drawings and/or established by the DESIGN ENGINEER. Shape,trim, and finish <br /> slopes of channels to conform with the lines, grades, and cross sections shown. <br /> Make slopes free of all exposed roots and stones exceeding 3-inch diameter that <br /> are loose and liable to fall. Round tops of banks to circular curves, in general, not <br /> less than a 6-foot radius. Rounded surfaces shall be neatly and smoothly trimmed. <br /> Neatly blend all new grading into surrounding, existing terrain, and maintain <br /> Forward Landfill WMU FU-14 <br /> 02300 26 EARTHWORK <br />