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C <br />WMU FLI-03, WMU F -West Leachate Impoundment and Desilting Basin February 2004 <br />Forward Landfill Job No. 021605.03 <br />Table 6 — Coarse Gravel Laboratory Testing Summary <br />SAMPLE <br />NUMBER <br />SOIL <br />DESCRIPTION <br />GRAIN SIZE <br />PERM <br />1" 3/8" #4 <br />-200% <br />(cm/sec) <br />g '2"',,. x $ .'b KF,�r e"I�• 3."Svc,°.58"yE' <br />Evaluation Testing <br />r % <br />b.?'�Ti Nom. _3 .. _, <br />� 'Ni> :Pi 4� <br />CG -1 E <br />1" round rock <br />100 <br />0.4 <br />0.1 <br />1 0.1 <br />>10 <br />CG -2E <br />1" round rock <br />100 <br />12.0 <br />1.6 <br />1.0 <br />>10 <br />Construction Testing <br />CG -1 <br />1" round rock <br />100 <br />10.7 <br />0.1 <br />0 <br />>10 <br />CG -2 <br />1" round rock <br />100 <br />10.4 <br />0 <br />0 <br />>10 <br />4.5 Protective Operations Layer <br />Upon completion and approval of the drainage layer and geotextile separator <br />(discussed in detail in Section 5), a one -foot protective operations layer was placed on <br />the base and side -slopes (up the slope 10 feet) of WMU FU -03. <br />The protective operations layer was placed by spreading the on-site soil material in a <br />Idahk <br />101 minimum 12 -inch lift over the separator geotextile with a D6 and D4 LGP dozer. <br />Vector's CQA Monitor observed that no damage occurred to the underlying <br />geosynthetics. <br />4.6 As -Built Surveys <br />Survey to verify the elevations and grades of the earthworks was conducted by <br />Quartaroli Surveying, under the direction of Mr. Mike Quartaroli, a professional land <br />surveyor registered in the State of California. The earthwork components surveyed <br />include the following: <br />• Top of prepared subgrade; <br />• Top of clay liner; and <br />• Top of operations layer (to be provided once accessible). <br />As -built surveys of these components are presented in Appendix P. <br />Vector Engineering, Inc. • 143E Spring Hill Drive • Grass Valley, CA 95945 - (530) 272-2448 <br />-17- <br />