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., - • • <br />i <br />Mr. Carl Mount <br />September 16, 1999 <br />Page 2 of 2 <br />information for the spillway, including sizing calculations, spillway construction <br />specifications, and a spillway diagram are provided in Attachment 1. <br />Item 7 of American Soda's Second Response described the drainage area to the <br />stormwater retention pond, that being the initial processing facility area. The berm <br />system around the initial processing facility area was designed to separate runoff from <br />the initial processing facility area from runoff from the surrounding area. CDMG <br />requested information regarding the design of the diversion ditch and its ability to <br />route surrounding surface drainage resulting from the 100-year, 24-hour storm event <br />around the facility and into natural drainages. The sizing calculations for the diversion <br />ditch and a map showing site drainage areas are provided in Attachment 2. <br />A check in the amount of $875.00, which represents the Technical Revision filing fee has <br />been provided with American Soda Letter 124-708 under separate cover. If you have <br />any questions regarding the information presented, please contact me at (970) 285-6500 <br />or Hal Copeland of Steigers Corporation at (303) 799-3633. <br />Sincerely, <br />~~^G~ <br />Kurt R. Nielsen <br />General Manager <br />Attachments <br />cc: Hal Copeland, Steigers Corporation 1 / 1 <br />John Mehlhoff, BLM 1/1 <br />KRN/TLD/dwm <br />13iJ3fi <br />