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<br />Section 02200 Page 5 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 />10. Fine 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 />2-inch 100 <br />¾-inch 70 – 100 <br />No. 40 20 – 50 <br />No. 200 2 – 15 <br />Plasticity Index: 15 maximum <br /> <br />11. Pipe Bedding Material - 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 />2-inch 100 <br />No. 4 30 – 100 <br />No. 200 5 – 20 <br />Plasticity Index: 15 maximum <br /> <br />12. Granular Filter Material - 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 />3-inch 100 <br />2-inch 75 – 100 <br />No. 200 0 – 15 <br />Plasticity Index: 15 maximum <br /> <br />PART 3: EXECUTION <br />3.01 CLEARING AND GRUBBING: <br />A. Clearing and grubbing shall be done within the footprint of the limits of the construction area, as <br />delineated on the DRAWINGS. Clearing shall extend a maximum of 15 feet and a minimum of 10 <br />feet outside of the construction limits or as directed by MANAGER. Areas for clearing shall be <br />released to CONTRACTOR by MANAGER. No pioneering of roads across undisturbed areas <br />shall be allowed without prior approval of MANAGER.