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DESIGN AND CONSTRUCTION REQUIREMENTS FOR ENVIRONMENTAL PROTECTION FACILITIES <br />(7.3.1(3), 7.2.3) <br />As no designated chemicals, toxic or acid-forming materials, or acid waters are currently being <br />used or exposed to the environment, nor are any anticipated to be used or exposed in the near <br />future, there is no reason or any way possible to design any environment protection facilities. <br />However, in the future, if any of the three above items that are supposed to be the basis for an <br />environmental protection plan are found, proper facilities will be constructed. The project <br />currently has no regulatory required diversions, or collection channels or ditches, but should <br />any of these items appear, facilities would be designed to convey the 100 -year 24-hour peak <br />flows. The site currently does have a temporary stormwater catch -basin located on the work <br />surface near the portal (see map). However, this basin (impoundment -pond) is not required <br />from a regulatory perspective and is only in place at the preference of the operator. Its design <br />allows it to contain 100 percent of the 10 -year 24-hour storm event. Although not required for <br />a facility that needs no current environmental protection, the design has been reviewed and <br />approved by the engineer. <br />12 <br />