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' 3 . Pavements : Shape surface of areas under pavement to line , grade <br /> and cross-section , with finish surface not more than 1 /2 inch above or <br /> ' below the required subgrade elevation . <br /> C . Grading Surface of Fill Under Building Slabs : Grade smooth and even , free <br /> ' of voids , compacted as specified , and to required elevation . Provide final <br /> grades within a tolerance of 1 /2 inch when tested with a 10 foot <br /> straightedge . <br /> ' D . Compaction : <br /> After grading , compact subgrade surfaces to the depth and percentage of <br /> ' maximum density for each area classification . <br /> 3 . 15 DISPOSAL OF EXCESS SUITABLE EXCAVATED MATERIAL <br /> ' A . Haul away all suitable material removed from the excavations that is in excess of <br /> that required for backfill , and dispose of it in compliance with ordinances , codes , <br /> ' laws and regulations . <br /> Be Stockpile all excess suitable material from the jobsite at the Indian River County <br /> ' Road and Bridge Complex , located at 4550 41st Street. Before commencing <br /> work on the Project, contact the Indian River County Road and Bridge Division at <br /> 770-5085 to coordinate the placement of the material . Refer to Section 01543 <br /> for the haul route . At the stockpile site , segregate excess topsoil ( See Section <br /> 02050 , paragraph 1 . 5 ) from the excess suitable excavated material . Indian River <br /> County will provide all labor, machinery , and equipment necessary to spread and <br /> ' pile the excess material at the stockpile site . <br /> 3 . 16 DISPOSAL OF UNSUITABLE MATERIAL <br /> ' A . Unsuitable material includes muck , clay, 9 roots , heterogenous fill material , and <br /> any other organic or similar materials . Unforseen items such as buried trees , <br /> ' timbers , abandoned utilities , metal objects , concrete masses , and the like , are <br /> also considered unsuitable material . If there is a doubt as to whether the <br /> material is classified as suitable or unsuitable , the ENGINEER shall make the <br /> ' determination . At no additional cost to the OWNER , haul away all unsuitable <br /> material and dispose of it in compliance with ordinances , codes , laws and regula- <br /> ' tions . <br /> 3 . 17 RESTORATION <br /> ' A . Restoring and Resurfacing Existing Roadways and Facilities : <br /> ' Last revised 9/ 10/02 02220-20 EAST GIFFORD <br /> RIPublic Works\Keithwstormweter Projects\Gifford East\construction Contract\Technical Specifications\Final Specifications\Division <br /> ' 2\02220 - Excavation and Backfll .doc <br />