Specifications include, but are not limited to: 1.CONCRETE SANDSand for icy conditions$___________$___________2.CRUSHED STONE BASE COURSEConforming to Subsection 303, Materials$___________$___________3.WASHED PEA GRAVEL1/2” or smaller$___________$___________4.SEWER ROCKReference “ANSI/AWWA C600-00” American Water Works Assn, 200 edition.Definition for materials from Subsection4.2.5 thru4.2.5.2 –all backfillmaterialshall be free from cinders, ashes, refuse,vegetable,or organic material (boulders, stones, frozen soil,or other unsuitablematerial).Sieve %Pass1 1/4” 100 $___________$___________1” 40-60$___________$___________5.SCREENED FINESReference to “ANSI AWWA C600-00”American Water Association, 200 editions.Definitions for materials from Subsection 4.2.5 thru 4.2.5.2 –all backfill material shall be free from cinders, ashes, refuse, vegetable, or organic material (boulders, stones, frozen soil,or other unsuitablematerial).Gray or light tan in color.Graduation 3/8” and lessSieve %Pass3/8” 90-100
