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F�OEING FUEL DOCK - TRENCH DRAIN <br /> ]ULY 1994 <br /> 2.2 UNSUITABLE MATERIAL: <br /> p, Trench ezcavation that is not usablc for backfill, and material excavated below the <br /> bottom of lhe Ironch that is not of sufficient bearing strength as detcrmined by thc <br /> Owner's Inspetion and Testing Agency or by the Engineer. <br /> 2.3 GRANULAR MATERI�IL: <br /> p. Crushed stone or gravel indiwting a loss of not m,ttr. than IS% aher 5 cydes when <br /> test�d for soundness with sodium sulfate as descriixcl in ASTM C88 and of the <br /> following gradation: <br /> Pe�cent Passin¢ Sieve Size <br /> �� 3/4-inch <br /> �-t� 1/2-inch <br /> 0-5 No.4 <br /> 2.4 FILL MATERIAL: <br /> A. Material shall be free of roots or other organic matter, refuse, ashes, :inders, froun <br /> earth or other unsuitable material. <br /> p. Use for embanlnnent suitabie material sufficiently friable to provide a dense mass free <br /> of voids and capable of satisfactory compaction. <br /> C, Do not use material conwining gravel, stona, or shale particla grea�er in dimension <br /> than one-half the depth of the layer te be compacted. <br /> p, ,Vloiature content shall be Uiat required to obtain specified compaction of the soil. <br /> g, nerform any wetting o�drying of the material as required to obtain the specified <br /> density when compacted. <br /> 2.5 TRENCH STABILIZATION MATEWAL: <br /> p, Granular material es specified or conform to ASTM D1241, Gradation A or B, well- <br /> � graded, with not more then 107F pusing No. 200 sieve. <br /> 2.6 WARNING TAPE: <br /> A. Tape ahall be low�ensity polyethylene plastic, nominall ellow for�as lanes,bluue for <br /> mils thick. Plastic color s6all be red for electric lines, y B <br /> water lines, end Brcen for sewer lines. A waming shall be imprinted wntinuously <br /> along the Iength, with message reading similar to: �heUb��Nady T deno Ii�ING - <br /> BURIED S1'ORM SEWER LINE BELOW." Tapc <br /> Servicts and Materials "Buried Underground Tape," SomersU (Thomas & Betts) <br /> "Protect-A-Line," or equal. <br /> TRENCHING, DACKFILLING, AND COMPACTING <br /> 02221-2 <br />