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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 I"-thicker than <br /> ' existing base, minimum of 0.5 feet. <br /> Existing <br /> Pavement <br /> 6,, Min. --� 6" .66 Min. <br /> (TyP-) <br /> I+ (TYP•) <br /> 3'-0" Compact in 12" max. <br /> layers to a min. relative 3'-0" <br /> compaction of 95%* / <br /> _ _ under pavement and _ ________ <br /> -_---_ --- / 90% outside pavement. \ _` , / Variable <br /> Variable ` Compact in 24" max_ <br /> OO. _ layers to a min. relative i <br /> ' compaction of 85%. O' OD+12" <br /> O.D./ Compact. in 6" la ecs <br /> to a minimum re>Yative <br /> compaction of 90%. <br /> ' 10" Min. 0.D. 10" Mina 10" Min'. 0.D. 10" Min. <br /> 0.D. O.D_ <br /> + 20" Min. + 20" Min. <br /> RIGID CONDUIT FLEXIBLE. C.OND:UIT <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 /> i Feb. 1996 PD TYPICAL TRENCH BACKFILL �. <br /> Direct of Public Works <br /> ora" by JLD <br /> ' Ch ckw b'' COUNTY OF SANK JOAQUIN Date JUNE 1997 <br />