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Rimrock Exploration & Development, Inc. <br />J-Bird Uranium Mine/ DMO/ EPP Construction Schedule Information <br />15.0 CONSTRUCTION SCHEDULE INFORMATION <br />No facilities designed to contain or transport acid-forming materials or designated <br />chemicals used in the extractive metallurgical process are associated with the Site. There <br />are no material(s) which have the potential to cause acid mine drainage. The site will <br />have facilities designed to transport or contain toxic material as defined by HB-08-1161. <br />The facilities are identified in Figure 2 Site Man. The Ore Stockpile Pad will be <br />constructed using published DRMS General Ore Pad Construction Critera. Assuming <br />dry weather and consistent access to the site, it is estimated that 30 days is needed to <br />construct and provide DRMS with required proctored, validated data for the pad. <br />Design for the stormwater retention basins, run-on diversion channels, culverts and water <br />bars, will be submitted to DRMS for review and design approval. Illustrations of these <br />designs are provided in Figure 4a Stormwater Control Retention Basin Cross-sections <br />Fi urg a 4b Stormwater Control Diversion Channel and Water Bar Cross-section. <br />Assuming dry ground conditions, Rimrock estimates 30-days to construct the stormwater <br />retention basins, run-on diversion channels, culverts. All associated Quality Assurance <br />and Quality Control (QA/QC) measures will be ongoing during construction and a final <br />report submitted within 60 days of completion. Up-slope water bars have been <br />constructed, but will need minor maintenance. A culvert was constructed on Montrose <br />County Y.1 road with County oversight and approval. <br />26