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at 100-foot centers for final lifts of waste. (final lifts <br /> shall be considered refuse cells placed to the ultimate final <br /> closure design grades for the Landfill) . <br /> ♦ All field grade stakes shall be marked with the N and E grid <br /> coordinates, fill elevation for the proposed lift, and the <br /> fill depth to be applied. The elevation information shall be <br /> given to the nearest tenth of a foot. <br /> 5.3.2 Fill survey methods <br /> The Operator shall provide surveying services to place grade stakes <br /> as called out in 5. 3 . 1. This shall include providing all training, <br /> personnel, equipment, materials, and documentation. The survey <br /> level used shall be capable of accuracy to within 0. 01 feet over <br /> 400 feet. All surveys shall be based on bench mark survey data <br /> provided by the CDPW. Each survey shall start and end on a <br /> benchmark with elevation grade closure to within 0. 10 feet. Each <br /> survey shall include field notes taken on numbered field books <br /> provided by the County and include, at a minimum, the following <br /> information: <br /> ♦ names of personnel performing the survey; <br /> ♦ date and field conditions for survey; <br /> ♦ description of work performed; <br /> ♦ tabularized grid coordinates, elevations, and fill grade <br /> for each grades stake; <br /> ♦ information on all turning points used for the survey <br /> tied to beginning and ending elevations on landfill bench <br /> marks; <br /> ♦ designations for bench marks used and elevation <br /> information tying all bench marks and turning points to <br /> calculations for grade closure of the survey; and <br /> ♦ an entry in the index to the survey book with the title, <br /> date and page numbers of the survey. <br /> 19 <br />