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<br />Section 02200 Page 4 of 18 January 14, 2011 <br />Earthworks Revision 0 <br /> <br />S:\Projects\1125G Squaw Gulch Valley Leach Facililty Design\I - Tech Specs\02200.r0.doc <br /> <br />7. Drain Cover Fill - material approved by MANAGER and CERTIFYING ENGINEER <br />conforming to the following SPECIFICATIONS: <br />U.S. Standard <br />Sieve Size <br />Percent Passing <br />by Dry Weight <br />1½-inch 100 <br />¾-inch 70 – 100 <br />No. 4 5 – 50 <br />No. 200 0 – 8 <br />Plasticity Index: 0 <br /> <br />8. Select Drain Cover Fill – material as approved by MANAGER and CERTIFYING <br />ENGINEER conforming to the following SPECIFICATIONS: <br />U.S. Standard <br />Sieve Size <br />Percent Passing <br />by Dry Weight <br />1½-inch 100 <br />¾-inch 70 – 100 <br />No. 4 5 – 50 <br />No. 200 0 – 8 <br />Plasticity Index: 0 <br /> <br />9. Coarse Shaft Backfill - material as approved by MANAGER and CERTIFYING <br />ENGINEER conforming to the following SPECIFICATIONS: <br />U.S. Standard <br />Sieve Size <br />Percent Passing <br />by Dry Weight <br />12-inch 100 <br />No. 200 0 – 15 <br />Plasticity Index: 20 maximum