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• III IIIIII~IIIIIIIII • <br />RAYE & ASSOCIATES <br />976 WELCH COURT • GOLDEN. COLORADO 8040 • (3031 2349855 <br />September 20, 1984 <br />Mr. Dan Mathews RE~E~VED <br />Reclamation Specialist SEP ~~ n.. <br />Colorado Mined Land Reclamation Division ~-{~~7t»~ <br />1313 Sherman Street, Room 423 ~,~iA,r„ ,.,. <br />Denver Colorado 80203 ~~ ° !''^"'-r- <br />~ iiiln. .. 11 n., ,~A~!1 ~( <br />.::: f: :~ .:41':I ~, <br />Re: The Rockcastle Company ~~"""Q~ <br />Pond 4 Drainage <br />Dear Dan: <br />Bob Sherman plans to install the 8" line from Pond 4 <br />outfall down the hill as shown in earlier plans. He wanted <br />to slightly alter the connection to the outfall pipe. I <br />discussed the changes with Candy Thompson in your office <br />last week. She approved the alteration. <br />Basically, Bob wants to delete the 12" to 8" reducer. <br />The 12" inlet to the 8" pipe would produce too much pressure <br />and possibly blow the 8" line from its connection. Secondly, <br />Bob plans to connect the 8" line to the face of the retention <br />plate at the end of the outfall, rather than coming out <br />the bottom of the outfall pipe. <br />After talking to Candy, I advised Bob to proceed with <br />these minor alterations. <br />Very truly yours, <br />Tommy D. Raye <br />TDR/jg <br />cc: Bob Sherman <br />Progress Within Environmental Tolerances <br />