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Rack Questions: Why is this 100 year storm design included? Earlier the report indicates the design for ditches <br /> Ranch and culverts is planned to handle a 10 year storm event. Will the culverts be designed for a 10 year storm or <br /> Quarry a 100 year event? <br /> Access <br /> Road 100 <br /> year 24 hr <br /> event <br /> SECAD 4 Hitch 42. TS 1-CC-1 and LTC-CC-1 through LTC-CC-5 are shown as 100 foot culverts. <br /> Rack Question: Is that, in fact,the planned length for these culverts? <br /> Ranch <br /> Culverts, <br /> 10 year, <br /> 24 hour <br /> storm. <br /> SECAD 43. "Warning: The selected watershed is partly in an area for which flow equations were not defined. Whole- <br /> StreamStats watershed flow estimates have been provided using the regional equations that are available for other parts <br /> Version 3 of the watershed. Weighted flows were not calculated. Users should be careful to evaluate the applicability <br /> of the provided estimates." <br /> Questions: Has Transit Mix confirmed that the estimates, are indeed,applicable and appropriate for the <br /> canyon? Has Transit Mix discussed the rainfall estimates with the Colorado Division of Water Resources? <br /> Review of Page 5 44. "Earlier in this memo, we acknowledged uncertainty about the possibility of the mine interacting with <br /> Potential Ground ground water at distances from the Little Turkey Creek. Specifically, we lack the data to definitively <br /> and Surface determine that ground water will not be encountered in the southwestern portions of the mining area where <br /> Water Impacts mining depths will be as much as approximately 340 feet. Data are not available for us to determine current <br /> Associated with depths to ground water in these areas. <br /> the Proposed Question: What data would need to be collected to better determine whether ground water would be <br /> Hitch Rack encountered? <br /> Ranch Quarry <br /> Review of Page 5 45. " However,there are no water supply wells present in the south half of Section 16,the southeast quarter of <br /> Potential Ground Section 17 or all of Sections 20 and 21." <br /> and Surface Question: Although there are currently no wells in Section 17,there is vacant land owners by people within <br /> Water Impacts Eagles Nest. What happens if wells are drilled in Section 17 in the future? Could they be impacted? <br /> Associated with <br /> the Proposed <br /> Hitch Rack <br /> Ranch Quarry <br />