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B. Bedding: Compact the specified material to 90 percent of maximum density to the finished <br /> 2 utility grade. <br /> 3 <br /> 4 C. Utility Installation: Shape the trench bottom to assure uniform contact with the full length <br /> 5 of the installed line and remove any sharp-edged materials that might damage the line. <br /> 6 Compaction shall be maintained beneath the line. <br /> r 7 <br /> e D. Select Backfill: Fill by hand placement around the utility to just over half depth, an <br /> y compact in a manner to insure against lateral or vertical displacement. Place select backfill <br /> 10 to 12 inches above the utility line by hand placement in not more than 6-inch layers. <br /> 11 Compact each layer to 90 percent of maximum density. <br /> 12 <br /> 13 E. Backfill: Place and compact the specified materials as follows: <br /> r 14 <br /> 15 1. Vehicular Traffic Areas: Fill and compact in 8-inch maximum layers to 95 percent of <br /> 16 maximum density. <br /> 17 <br /> 16 2. Pedestrian and Lawn Areas: Fill and compact to 90 percent of maximum density. <br /> 19 <br /> 20 3. Non-traffic Areas: Fill and compact to 85 percent of maximum density. <br /> 21 <br /> 22 3.04 SURFACE FINISH WORK <br /> 23 <br /> 24 A. Open and Seeded Areas: Grade all disturbed areas to a finish ordinarily obtained from the <br /> 25 blade grader, with no abrupt changes in grade or irregularities that will hold water. <br /> 26 <br /> 27 B. Drainage Ditches: Restore drainage ditches to appropriate line and grade, using approve <br /> 28 surface erosion prevention techniques. <br /> 29 <br /> 30 C. Cleanup: Prior to final inspection and acceptance, remove all rubbish and excess material <br /> 31 for disposal as approved, and leave area in a neat, satisfactory condition. <br /> 32 <br /> 33 <br /> 34 <br /> 35 <br /> 36 END OF SECTION <br /> 1 <br /> r <br /> UTILITY TRENCHING & BACKFILLING <br /> 050594 02221-5 <br />