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ROCK DISPOSAL PITS <br />FILL LIFTS COMPACTED OVER <br />ROCK AFTER EMBEDMENT ) <br />, GRANULAR MATERIAL <br />I \'.U LARGE ROC}< --'---1 <br /> COMPACTED FILL <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />y <br />SIZE OF EXCAVATION TO BE COMMENSURATE I <br />WITH ROCK SIZE. 1 <br />1 <br />1 <br />1 <br />1 <br />NOTE: 1. LARGE ROCK IS DEFINED AS ROCK LARGER THAN 4 FEET IN MAXIMUM SIZE. <br />2. PIT IS EXCAVATED INTO COMPACTED FILL TO A DEPTH EQUAL TO 1/2 OF <br />ROCK SIZE. <br />3. GRANULAR SOIL SHOULD BE PUSHED INTO PIT AND DENSIFIED BY FLOODING. <br />USE A SHEEPSFOOT AROUND ROCK TO AID IN COMPACTION. <br />4. A MINIMUM OF 4 FEET OF REGULAR COMPACTED FILL SHOULD OVERLIE <br />EACH PIT. <br />5. PITS SHOULD BE SEPARATED BY AT LEAST 15 FEET HORIZONTALLY. <br />6. PITS SHOULD NOT BE PLACED WITHIN 20 FEET OF ANY FILL SLOPE. <br />7. PITS SHOULD ONLY BE USED IN DEEP FILL AREAS. <br />PLATE EG-13