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PROVIDE TRENCH <br /> SLOPE AS REQUIRED <br /> FINISH GRADE <br /> zo <br /> DETEC11ON TAPE <br /> 12 ' MAXIMUM LAYERS ' - % SEE NOTE 6 co <br /> AT 95% COMPACTION ir z <br /> o <br /> SEE NOTE 4 o 0 <br /> SEE NOTE 10 w z <br /> U < <br /> Q <br /> N <br /> 12" MAXIMUM LAYERS - o <br /> AT 98% COMPACTION <br /> BACKFILL WITH <br /> MECHANICAL COMPACTION NOT oo EXCAVATED MATERIAL IF <br /> ALLOWED BELOW THIS LEVEL _ PI E _ ACCEPTABLE . UNSUITABLE <br /> 6 " MAXIMUM LAYERS MATERIAL SHALL BE REPLACED , <br /> AT 98% COMPACTION MAXIMUM WATER LEVEL ALLOWABLE <br /> f' DURING CONSTRUCTION . MAINTAIN <br /> ( z <br /> A DRY WORKING SURFACE AND <br /> MAINTAIN THE UNDISTURBED STATE <br /> OF THE NATURAL SOILS , <br /> SEE NOTE 9 12" PAPE 12 " <br /> TRENCH WIDTH UNDISTURBED SOIL <br /> , W, <br /> TRENCH DETAIL : UNPAVED AREA <br /> SUPPLEMENT TO SECTION 02220 <br /> TRENCH DETAILS AND GENERAL TRENCH NOTES <br /> PAGE 1 OF 4 <br />