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0 9.2.3 Geocomposite Drains within the Future Modules <br />The geocomposite drains to be used in the Modules 5 through 11 should have a minimum <br />index transmissivity of 1.8 x 10-4 M2 /sec at a hydraulic gradient of 0.33 and a normal load <br />of 35,000 psf. <br />9.2.4 Geomembrane Puncture Protection within the Future Modules <br />If crushed gravel used in the future modules, a 16-oz/yd2 non -woven geotextile cushion <br />should be provided for puncture protection of the underlying geomembrane. No <br />geotextile cushion is required if rounded/subrounded gravel is used. <br />Geotechnical Analyses for NCRCSL <br />Shaw Environmental, Inc. <br />Department of Public Works/Solid Waste <br />County of San Joaquin, December 12, 2007 <br />