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Backfill with materials equal to or <br /> better than the existing pavement <br /> and base in quality. New pavement <br /> shall be 1 " thicker than existing <br /> pavement, minimum of 0.25 feet. <br /> New base shall be 1 " thicker than <br /> existing base, minimum of 0.5 feet. <br /> Existing <br /> Pavement <br /> 6" Min. 6,. �- -�1 6" Il- 6" Min. <br /> (TYP•) (TYP ) <br /> Compact in 12" max. 3'-0" <br /> 3 -0 \ layers to a min. relative \ <br /> \ compaction of 95%* <br /> under pavement and <br /> —————————— / Variable <br /> ---------- 90% outside pavement. \ <br /> -- -------- <br /> Variable —_—_-- ---= Compact in 24" max. <br /> — — layers to a min. relative OD+12" <br /> compaction of 85%. <br /> O.D./2 Compact in 6" layers <br /> to a minm <br /> ium relative <br /> compaction of 90%. <br /> 10" Min. 0.D. 10" Min. 10" Min. O.D. 10" Min. <br /> 0.D. 0.D. <br /> + 20" Min. + 20" Min. <br /> RIGID CONDUIT FLEXIBLE CONDUIT <br /> NOTES: <br /> 1 . Relative compaction of materials shall be tested in accordance with <br /> the State of California, Dept. of Transportation Testing Manuals, test <br /> method No. California 216 or 231 . <br /> 2. All existing pavement shall be neatly cut to line prior to trench excavation. <br /> 3. Jetting or ponding will be permitted within the street Right of Way with <br /> a 3 year bond. <br /> 4. When shown by soil composition and compactability, ninety percent (90%) <br /> compaction may be used, when approved by the Director of Public Works. <br /> 5. Special bedding requirements may be shown on the plans or specified in <br /> special provisions. <br /> 6. Shoulders shall be as shown on the plans or specified in the special <br /> provisions but in no case shall the shoulder be less than three feet wide <br /> as measured from the edge of pavement. <br /> No. Revised BY Approved by � <br /> Feb. 1996 PD TYPICAL TRENCH BACKFILL m 'L <br /> Direct of Public Works <br /> omwn by J LD <br /> Checked by COUNTY OF SAN JOAQUIN Date JUNE 1997 <br /> Scale NONE DEPARTMENT OF PUBLIC WORKS Drawing No, R-29 <br /> fe is <br />