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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 /> (TYPI) � 6rr � � 6„ � 6'T Min. <br /> ( yP •) <br /> 3'�0" w <br /> Compact in 12" Max. 3'-0" <br /> layers to a min. relative <br /> compaction of 95%* <br /> under pavement and <br /> 90% outside pavement. _\ _ ____ __ / Variable <br /> Variable \ __-- — Compact in 24" max. <br /> 00, _ layers to a min. relative <br /> compaction of 85%. O' OD+12" <br /> O.D./2 Compact in 6" layers <br /> to a minimum relative <br /> 90%. ------- // /� �. _— ----=-- -- - - - - - <br /> 10" Min. O.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 /> 1 Feb. 1996 PD TYPICAL TRENCH BACKFILL <br /> Director of Public Works <br /> Drawn by JLD <br /> Checked by COUNTY OF SAN JOAQUIN Date JUNE 1997 <br /> Scale NONE DEPMiMENT OF PUBLIC WORKS Drawing No. R-29 <br />