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L DD <br />Aiuvl <br />W. <br />L 1 R./ Inc. G li • <br />General Construction r - Earth Moving - Surveying and &dmanng <br />8282 E. Veritas Avenue, Manteca, California 95336 <br />Contractors Lich 385491 <br />Telephone 209 823-7724 <br />October 22, <br />1991 <br />winter <br />site <br />drainage for winter of 1991 <br />A. LOCATION: <br />The access road begins at the North East corner of the <br />property, extending west to NW corner of trench 4, then South to <br />the NE corner of D89, then West to NW corner of D89, then South to <br />NE corner of ash pit, then West to the NW corner of the ash pit <br />then south to Little John Creek access road. <br />B. DESCRIPTION OF CURB AND GUTTER: <br />A curb and gutter was installed at the East end of the <br />entrance at the fence and then West 7981 to the NW corner of trench <br />4. The curb and gutter is approximatly 111 South of the North <br />property fence. A 61 wide valley gutter was intalled at the NE <br />corner of WMU A to carry runoff across the access road using 900 <br />201 radiius curve to join the flowline of the curb and: gutter, and <br />flow to the West. At the end of the curb and gutter a temporary <br />ditch was cut to drain the runoff water into the borrow pit North <br />of D89. <br />C. RUNOFF BETWEEN RW CORNER TRENCH 4 AND NE CORNER D89: <br />Runoff on access road between NW corner of trench 4 and NE <br />corner of D89. The road is sloped 2% to the the the East, and <br />runoff is collected in a roadside ditch on East side of road. A <br />cross drain midway the D89 allow the runoff to flow the the West in <br />to the temporary borrow pit North of D89. A down drain has been <br />placed in this pipe approx 81 west of the edge of the road, this <br />Page 1 of 6 pages <br />