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3.08 TESTING <br />A. Compaction shall be established by the compaction test procedures prescribed in <br />ASTM Designation D-1557. <br />B. Soils testing shall be performed by an independent accredited testing laboratory <br />employed by the County at the County's expense or the County's test laboratory. <br />C. The Contractor is to cooperate with the soil laboratory in allowing tests and <br />following recommendations as to whether areas have or have not met earthwork <br />criteria acceptable to the County. <br />D. If compaction or moisture testing fails, retesting will be performed by the County <br />at the Contractor's expense. <br />PART 4 MEASUREMENT AND PAYMENT <br />4.01 MEASUREMENT <br />A. Trenching in Native Soil: Measurement for payment for excavation and backfill <br />of the trenches in native soil shall be measured in terms of linear feet regardless of <br />trench depth. <br />B. Trenching in Refuse: Measurement for payment for excavation and backfill of the <br />pipe trenches in refuse shall be measured in terms of linear feet regardless of <br />trench depth. <br />C. Construction of Berm Crossings: Measurement for payment for the berm <br />crossings shall be paid for at the contract unit price for actual units installed. <br />4.02 PAYMENT <br />A. Trenching in Native Soil: Payment shall be made at the contract unit price per <br />linear foot for Trenching in Native Soil as identified in the proposal. Payment <br />shall be made for approved quantity excavated and backfilled including sheeting, <br />shoring, trench safety measures, bracing, sand bedding, hauling and disposal of <br />excess excavation material and compaction as shown on the drawings. No <br />payments shall be made for quantities determined to be over -excavated. Payment <br />shall be made to the nearest two -foot station. Payment shall be full compensation <br />for labor, materials, tools, equipment, overhead, and other work and incidentals <br />necessary to complete the work of this section. Unless authorized by the Owner, <br />the quantity paid shall not exceed the amount shown on the proposal for <br />Trenching in Native Soil. <br />North County LFG Collection System 6 TRENCHING AND EXCAVATION <br />San Joaquin County Public Works Section 02225 <br />