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HazeltinelRoad Runners Rest IIIBrinkmann-Woodward Gravel Pits Lining Project -Design Technical Memorandum <br />Denver Water <br />August 2003 <br />bentonite, and water. The backfill would have a hydraulic conductivity in the trench of 1 x 10-~ <br />cm/sec or less. Except in areas where fill will be placed to construct the cutoff wall, the top of <br />the wall would be located about 1 to 10 feet below final grade. Based on standard construction <br />requirements, the wall was designed to ensure that the top of the wall did not exceed a 1 <br />percent gradient along the horizontal alignment. The soil-bentonite cutoff wall would be <br />located generally along the horizontal baseline alignment shown on Figure 4.1. <br />GEI Consultants, Inc. 22 U: Utl0 Ul 0]-?I Iq-Hudime Design T~1 <br />