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Newmont-Cripple Creek&Victor Gold Mine <br /> Technical Specification No.02710.DOCX ■ <br /> Squaw Gulch VLF <br /> Project No.475.0106.006 <br /> June 15,2016 <br /> C. Piping shall be placed to the lines and elevations shown on the DRAWINGS, with no sags <br /> or humps, as approved by MANAGER and CERTIFYING ENGINEER. <br /> 3.2. Pipe Connections <br /> A. All connections for non-perforated pipe shall be watertight under maximum <br /> anticipated pressure head. <br /> B. The ends of all pipe shall be capped with a manufactured pipe cap. <br /> C. HDPE pipe will be butt-heat-fusion welded in accordance with the MANUFACTURER'S <br /> guidelines. <br /> D. CPe pipe joints shall conform to MANUFACTURER'S recommendations. <br /> 3.3. Bedding and Backfill <br /> A. CONTRACTOR shall place and compact Leak Detection Fill in accordance with Item <br /> 3.06.E of Section 02200.0. <br /> B. CONTRACTOR shall bed and backfill Leak Detection piping with Leak Detection Fill. <br /> C. Low Volume and High Volume Solution Collection pipe shall be placed on top of the <br /> geosynthetics, as shown on the DRAWINGS. <br /> D. Placement of Low Volume and High Volume Solution Collection and High Volume <br /> Solution Collection pipes shall be coordinated with other operations such as Low <br /> Volume Solution Collection Fill, Bedding Fill, Soil Liner, and Drain Cover fill placement. <br /> Equipment access directly on geosynthetics is expressly prohibited. Any damage to the <br /> geosynthetics caused by CONTRACTOR during pipe placement shall be repaired at the <br /> expense of CONTRACTOR. <br /> E. A minimum of 5 feet of Low Volume Solution Collection Fill and Drain Cover Fill shall be <br /> placed over the top of the pipe before crossing with rubber-tired construction <br /> equipment. If pipe becomes crushed during or after installation by CONTRACTOR's <br /> equipment or methods of construction, the pipe shall be replaced by CONTRACTOR, at <br /> no additional cost to CC&V. The CONTRACTOR will be required to demonstrate to <br /> MANAGER that the equipment and procedures used are not detrimental to the piping, <br /> at no additional cost to CC&V. <br /> F. CONTRACTOR shall hold pipes in place with sand bags, or other methods approved by <br /> MANAGER, until the Low Volume Solution Collection Fill and Drain Cover Fill has been <br /> placed. Directly before placement of the Low Volume Solution Collection Fill and Drain <br /> Cover Fill,the sand bags will be removed. <br /> G. Secondary or tertiary High Volume Solution Collection pipes will be attached to the <br /> primary pipes with plastic ties or other method approved by MANAGER and <br /> CERTIFYING ENGINEER. <br /> Page 3 <br />