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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 /> (TYp')n. 6 6 <br /> 6" Min. <br /> (TYp-) <br /> '� pact in 12" max. <br /> 3 -0" layers to a min. relative 3'-0" <br /> compaction of 95%* / <br /> under pavement and _ <br /> _ / 90% outside pavement. -------"— <br /> ---------- , \ � Variable <br /> Variable \ __-- --__ Compact in 24" max. <br /> layers to a min. relative i <br /> O• — compaction of 85%. O' OD+12" <br /> O.D./2 Compact •in 6" layers <br /> to a minimum relative <br /> compaction of 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 /> I . 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 <br /> Approved by <br /> 1 Feb. 1996 PD TYPICAL TRENCH BACKFILL J4n1u, rte- <br /> °ro-^ by J LD <br /> Directot of Public Works <br /> cneakea by <br /> COUNTY OF SAN JOAQUIN Dote JUNE 1997 <br /> kale NONE DEPARTMENT of auauc woRxs <br /> Drarvi^9 No. R-29 <br />