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ROGIN:, FUEL DJCK - TRF..NCFi DRAIN )ULY 1994 <br /> SECTION 02221 - TRENCHING, F3ACKPILLING ANU COMPACTING <br /> PART1 - GENERAL <br /> l.l SUMMARY: <br /> A. Related Documents: Drawings and general provisions of Contract, including General <br /> and Supplementary Conditions and Division 1 Specifications Sectians, apply to this <br /> ' Section. <br /> I <br /> 1.2 WORK INCLUDED: <br /> A. This sxtion includes excavating and bac�lling required for underground utilities. <br /> 1.3 REFERENCED STANDARDS: <br /> A. AASH'f0 -Ametican Association of State Highway;md Transportation Officials <br /> B. ASTM - American Sociery for Testing and Materiats <br /> C, C88 - Soundness of Aggregates by Usc of Soc:fum Sulfate or Magnesium Sulfate. <br /> D. D1556 - Densiry and Unit Weight of Soil in Place by the Sand Cone Method <br /> E. D1557 - Laboratory Compaction Characteristics of Soil Using Modified Sffort <br /> F. D2922 - Standard Test Methods for Density of Soil and Soil Aggtegate by Nuclear <br /> Methods <br /> G. D1241 - Materials fot Soil-Aggregate Subbase, Base and Surface Courses. <br /> H. D4253 - Maximum Index Densiry of Soils Using a Vibretory Table. <br /> I. D4254 - Minimutn lndez ilensity of Soils and Calculation of Relative Density. <br /> PART'2 - PRODUCTS <br /> 2.1 TRENCH EXCAVATfON: <br /> A. All material, rcgazdless of condition. .:xcavarod from subgrade to the bottom of tha <br /> trench; or, where thete is no subgra�e, from original ground to the bottom of the <br /> � trench. <br /> TRENCHING, IIACKFILLING, AND COMPACTING 02221-1 <br />