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Newmont-Cripple Creek&Victor Gold Mine . <br /> Technical Specification No.02200 REV D <br /> Squaw Gulch VLF . <br /> Project No.475.0106.006 <br /> March 13,2020 <br /> 12.Granular Filter Material - material as approved by MANAGER and CERTIFYING <br /> ENGINEER conforming to the following SPECIFICATIONS: <br /> U.S.Standard Percent Passing <br /> Sieve Size by Dry Weight <br /> 3-inch 100 <br /> 2-inch 75—100 <br /> No. 200 0—15 <br /> Plasticity Index:15 maximum <br /> Acceptance of non-conforming materials: In cases where non-conformance to these material <br /> specifications occur the Design Engineer in tandem with the Manager can approve the material <br /> for use, if in their opinion, the specification deviation does not diminish functionality of a given <br /> design element and/or compromise the design intent. If non-conforming materials are accepted <br /> by the Design Engineer and Manager for use during construction, the DRMS will be contacted to <br /> alert them to the acceptance and rationale behind acceptance of non-conforming materials. <br /> 3. PART 3: EXECUTION <br /> 3.1. Clearing and Grubbing <br /> A. Clearing and grubbing shall be done within the footprint of the limits of the construction <br /> area, as delineated on the DRAWINGS. Clearing shall extend a maximum of 15 feet and a <br /> minimum of 10 feet outside of the construction limits or as directed by MANAGER. Areas <br /> for clearing shall be released to CONTRACTOR by MANAGER. No pioneering of roads <br /> across undisturbed areas shall be allowed without prior approval of MANAGER <br /> B. No clearing shall be performed until written permission is given by MANAGER and until <br /> the CONTRACTOR has provided construction staking for the proposed work.Clearing shall <br /> consist of cutting brush to the ground level, removing such material, along with wood, <br /> rubbish, tree stumps, and any other vegetation with roots in excess of 1-inch diameter, <br /> and other deleterious materials,and disposing of all such material in the accepted manner <br /> described below. <br /> C. In areas designated to be stripped of unsuitable or objectionable material, said materials <br /> shall be stripped to the full depth of organic or other unsuitable material as determined <br /> by MANAGER and CERTIFYING ENGINEER, whichever is greater. <br /> D. Stripped and grubbed vegetation shall be removed and disposed in stockpiles or other <br /> approved methods in an area designated by MANAGER. <br /> 3.2. Topsoil Removal <br /> Topsoil is defined as an acceptable growth medium as approved by MANAGER and CERTIFYING <br /> ENGINEER that has no chemical or physical characteristics, which will exclude its use as such. <br /> Page 6 <br />