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L <br />4. <br />VARIES (5-13') <br />OVERBURDEN <br />VARIES (SM,SC,CL) <br />SAND & GRAVEL VARIES <br />VARIES (0'-14') <br />y' <br />SP,SM,GP,GM,GC) <br />OVEREXCAVATION VARIABLE ' <br />AS BEDROCK CONDITIONS ALLOW <br />25'-N WEATHERED CLAYSTONE <br />1 <br />VARIES (AVE 3'-6') <br />NOTES: <br />1. KEYWAY SIDE SLOPES SHALL BE VERTICAL <br />KEYWAY WIDTH SHALL BE A MINIMUM OF E <br />BE A MINIMUM OF 5FT OR TO REFUSAL B1 <br />SHALL BE FILLED WITH COMPACTED CLAY 1 <br />957 STANDARD PROCTOR DRY DENSITY AT <br />MOISTURE CONTENT. <br />2. THE COMPACTED CLAY CORE SHALL BE C, <br />AND MOISTURE CONDITIONED WEATHERED <br />BORROWED FROM THE PIT FLOOR. THE Mf <br />8" LIFTS TO 957 STANDARD PROCTOR DF <br />THE OPTIMUM MOISTURE CONTENT. <br />3. CONTROLLED BACKFILL SHALL BE COMPO <br />MATERIAL AND PLACED IN 8" LIFTS TO ! <br />DENSITY AT 0 TO +37 OF THE OPTIMUM <br />REVISIONS FIGURE 6.4.5 -1 <br />DESCRI-M DATE APV -D <br />TYPICAL SECTION <br />SCALE DWG NO <br />NTS TYPICAL SECTION DWG <br />DRAWN BY CHE...y DATE <br />CTW PFW 04/10!15 <br />REV <br />REV <br />SHEET <br />1 OF 1