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amec <br /> foster <br /> wheeler <br /> Zephyr Gold USA Ltd. PAGE 6 OF 8 <br /> Dawson Gold Project SEC. NO.: <br /> Dawson Filtered Tailings Storage Facility SPECIFICATION 02777.0 <br /> Pre-feasibility Study <br /> TECHNICAL SPECIFICATIONS FOR DATE: (ORIGINAL) <br /> Fremont County, Colorado GEOTEXTILE 20-October-16 <br /> PROJECT NO.: 74201633 REVISION: A <br /> DATE: 20-Oct-16 <br /> damaging or deleterious conditions. CONTRACTOR shall ensure personnel responsible for loading, <br /> transport and unloading of geotextile are familiar with handling and transport constraints imposed by <br /> MANUFACTURER. <br /> 2.2 STORAGE AND PROTECTION <br /> MANAGER will provide on-site storage area for geotextile rolls from time of delivery until installation. <br /> The storage of the materials is the responsibility of CONTRACTOR from the time the materials are <br /> manufactured until the time the completed installation is accepted. CONTRACTOR is responsible for <br /> preparing the storage location and for the protection of the material from the elements (e.g. ultraviolet light, <br /> moisture, temperature, etc.). <br /> After CONTRACTOR has removed material from storage area, protect geotextile from puncture, dirt, <br /> groundwater, moisture, mud, mechanical abrasion, excessive heat, ultraviolet light exposure, and other <br /> sources of damage. Geotextile shall be supplied in rolls wrapped in relatively impermeable and opaque <br /> protective covers, with straps for unloading. <br /> CONTRACTOR shall preserve integrity and readability of the geotextile roll labels, and store such that <br /> MANAGER and CQA MONITOR have access to the package slips or roll labels for each roll to verify roll <br /> acceptance. <br /> 3.0 PRODUCTS <br /> Geotextile shall be a twelve-ounce (12 oz.) per cubic yard non-woven, continuous filament, mechanically <br /> needle punched fabric. Polymeric yarn shall be long-chain synthetic polymers (polyester, polypropylene, <br /> or polyethylene) with stabilizers or inhibitors added to make filaments resistant to deterioration due to heat <br /> and ultraviolet light exposure. <br /> Sheet Edges: Salvaged or finished to prevent outer material from separating from sheet. <br /> Physical Properties: Conform to requirements of Table 02777.0-1 for use in as separation and as otherwise <br /> indicated on the DRAWINGS. <br /> S:\ZEPHYR MINERALS\DRMS MINE APPLICATION\02777-GEOTEXTILE.DOCX <br />