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SECTION 02220 <br /> TRENCHING AND BACKFILLING <br /> PART 1 GENERAL <br /> 1.1 WORK INCLUDED <br /> A. Protection of existing structures, surface features and trees to remain; other protective <br /> provisions when required. <br /> B. Verification of existing conditions. <br /> C. Alignment and grade control. <br /> D. Excavation, backfill and compaction. <br /> 1.2 RELATED WORK <br /> A. Earthwork: Section 02200. <br /> B. Water Systems: Section 02665. <br /> C. Underfloor Drainage: Section 02710. <br /> D. Sewerage: Section 02720. <br /> E. Plumbing: Sections of Division 15 as applicable. <br /> F. Electrical Service and Distribution: Sections of Division 16 as applicable. <br /> 1.3 QUALITY ASSURANCE <br /> A. Utilize equipment of proper size and in good working condition to prosecute the work to <br /> full completion in a satisfactory manner. <br /> B. Utilize experienced personnel familiar with the equipment, methods and procedures for the <br /> job. <br /> C. Testing as specified herein. <br /> 1.4 REFERENCE STANDARDS <br /> A. American Society for Testing and Materials: ASTM(Latest Edition) <br /> 1. ASTM D698, "Test Methods for Moisture-Density Relations of Soils." <br /> ADDENDUM#1 <br /> 1607.001 - ORONO ICE ARENA(CP-2) Page 02220- 1 <br />