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Newmont-Cripple Creek & Victor Gold Mine <br />Technical Specification No. 02200-1 EARTHWORKS – Owner Performed Work <br />VLF2 Phase 3 <br />Project No.475.0106.049 <br />September 13, 2023 <br /> <br /> <br /> <br />Technical Specification No.02200-1 Earthworks – Owner Performed Work Page 4 <br />horizontal lifts. The CONTRACTOR shall continuously bench and key embankment <br />material into the existing material a minimum of 2 feet. <br />E. The CONTRACTOR will be responsible for the safety of temporary construction slopes. <br />CONTRACTOR shall inspect all temporary and permanent open-cut excavations on a <br />regular basis for signs of instability. Should signs of instability be noted, CONTRACTOR <br />shall immediately undertake remedial measures and shall notify MANAGER <br />immediately. Permanent cut slopes shall be left in smooth, safe, and stable condition at <br />the end of the workday. <br />F. CONTRACTOR shall final grade excavations within the project to establish positive <br />drainage to the Pregnant Solution Storage Area. In no case will depressions or bowls be <br />permitted in the valley leach facility area. <br />G. CONTRACTOR shall conduct all excavation and shoring operations in compliance with <br />applicable MSHA, Colorado State and Federal government laws and regulations. <br />3.3. Fill Placement <br />A. The following general guidelines shall be followed except as noted elsewhere in this <br />Section. <br />1. No fill materials shall be placed until the foundation and subgrade preparations have <br />been completed as specified herein, in section 3.5 of this SPECIFICATION. The <br />procedures for fill placement shall be approved by MANAGER and CERTIFYING <br />ENGINEER prior to start of fill placement. <br />2. No brush, roots, sod, frozen material, or other deleterious or unsuitable materials <br />shall be incorporated in the fills. The suitability of all materials intended for use in <br />the fill shall be subject to approval by MANAGER and CERTIFYING ENGINEER. Fill <br />placement shall be temporarily stopped by CONTRACTOR due to weather conditions, <br />if materials and installation do not meet the SPECIFICATIONS, at no cost to CC&V. Fill <br />shall not be placed upon frozen material, such as snow or ice. <br />3. If the surface of the prepared foundation or the surface of any layer of the fill is too <br />dry or too smooth to bond properly with the layer of material to be placed thereon, <br />it shall be moisture-conditioned and/or worked with harrow, scarifier teeth, disc, or <br />other suitable equipment to provide a satisfactory bonding surface before fill <br />material is placed thereon. If the surface of the prepared foundation or the rolled <br />surface of any layer is excessively wet for fill materials to be placed thereon, it shall <br />be removed and allowed to dry or worked with a harrow, scarifier teeth, disc, or <br />other suitable equipment to reduce the moisture content to an acceptable level or <br />meet project SPECIFICATIONS as determined by MANAGER and CERTIFYING <br />ENGINEER. It shall then be compacted before the next layer of fill material is placed. <br />Determination of such dry or wet conditions shall be made by CERTIFYING <br />ENGINEER.