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Newmont-Cripple Creek&Victor Gold Mine I`:'' ■ <br /> Technical Specification No.02200.DOCX ■ <br /> Squaw Gulch VLF <br /> Project No.475.0106.006 <br /> June 15,2016 <br /> SECTION 02200.0 EARTHWORKS <br /> 1. PART 1: GENERAL <br /> 1.1. Summary <br /> This SPECIFICATION describes site preparation, excavation, stockpiling of soils for earthwork if <br /> necessary, and placement of Structural Fill, Select Structural Fill, Coarse Shaft Backfill, <br /> Underdrain Fill, Low Volume Solution Collection Fill, Bedding Fill, Leak Detection Fill, Soil Liner <br /> Fill, Drain Cover Fill, Fine Shaft Backfill, Pipe Bedding Material, and Granular Filter Material for <br /> the valley leach facility. <br /> 1.2. Related Sections <br /> Refer to the following Sections for related work: <br /> ■ Section 01050.0-Staking and Construction Certification Documentation <br /> ■ Section 02776.0-Geomembrane <br /> ■ Section 02777.0-Geotextile <br /> 1.3.Tolerances <br /> A. Limits of excavation, Structural Fill, Select Structural Fill, Coarse Shaft Backfill, <br /> Underdrain Fill, Low Volume Solution Collection Fill, Bedding Fill, Leak Detection Fill, Soil <br /> Liner Fill, Drain Cover Fill, Fine Shaft Backfill, Pipe Bedding Material, and Granular Filter <br /> Material for the valley leach facility are defined by the lines and elevations shown on the <br /> DRAWINGS. All fill shall be placed to the minimum thicknesses shown on the <br /> DRAWINGS. <br /> B. Finished grades shown on the DRAWINGS are given in feet, and shall slope uniformly <br /> between given spot and contour elevations, without sag or humps. All grades shall <br /> provide for natural runoff. <br /> C. The Soil Liner Fill and Bedding Fill shall have a minimum thickness of 1.0 foot. <br /> D. The Low Volume Solution Collection Fill will have a minimum thickness of 3.0 feet at all <br /> times, and the Drain Cover fill will have a minimum thickness of 2.0 feet at all times. <br /> E. Clearance of pipes with respect to regulated boundaries will be checked by MANAGER. <br /> If clearances are inadequate, CONTRACTOR shall backfill trenches to compaction <br /> SPECIFICATIONS and relocate trenches at CONTRACTOR's expense. <br /> F. Correction of over-excavation and backfilling shall be to CONTRACTOR's account. <br /> Page 1 <br />