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SECTION 02210 <br /> EXCAVATION, BACKFILLING, AND COMPACTION <br /> FOR UTILITIES <br /> PART 1 - GENERAL <br /> 1.01 SCOPE <br /> This section includes requirements for excavating, preparation of pipe-laying surface, pipe <br /> bedding, backfilling and compaction for all the exterior underground piping systems <br /> furnished and installed under this project. <br /> 1.02 QUALITY ASSURANCE <br /> A. References <br /> The publications referred to hereinafter form a part of this specifications to the extent <br /> referenced. The publications are referred to in the text by the basic designation only. The <br /> latest edition of referenced publications in effect at the time of the bid shall govern. In case <br /> of conflict between the requirements of this section and the listed standards, the <br /> requirements of this section shall prevail. <br /> American Society for'Testing and Materials (ASTM) Publications: <br /> ASTM D1556 Density of Soil in Place by the Sand-Cone Method <br /> ASTM D1557 Moisture Density Relations of Soils and Soil-Aggregate <br /> Mixtures Using 10-lb. (4.54-kg)Rammer and 18 Inch <br /> (457-mm)Drop <br /> ASTM D2487 Classification of Soils for EngineerEngin ee ringing Purposes <br /> ASTM D2922 Density of Soil and Soil-Aggregate in Place by Nuclear <br /> Methods (Shallow Depth) <br /> ASTM D3017 Moisture Content of Soil and Soil-Aggregate in Place by <br /> Nuclear Methods (Shallow Depth) <br /> ASTM D4253 Maximum Index Density of Soils Using Vibratory Table <br /> State of California, Department of Transportation (CALTRANS) Publications: <br /> �.ai trails <br /> Manual of Traffic Control <br /> Walnut Grove Sewer Project (Conformed) 022 10-1 SAO 160401 <br /> March 2008 n:Asa0160401\specs\wg conform\dic 2\02210.doc <br />