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2-4 <br />• BATHFIi ii c3E <br />As required by 3~ii~:FR, Fart 75, adequate shower facilities must be <br />constructed. By locating the bathhouses in the central facilities <br />area instead of at each mine, •?nly cane major sewage treatment plant <br />will need to be constructed. The t~athhouse will be constructed in <br />two? stages, 35 required by the growth of the workforce. It i5 <br />anticipated treat tree sire ~?f the two. Gat r~Y~ouses will ri cat e;<:ceed ?V' <br />,: 10~~'' each, taut a5 the- w~~r4::fc~rce grows, additions may be built. <br />All 5e W3~]e- qe ner3ted 3t the Central f3Clllt 105 W111 be 3dequ3t21y <br />treated and disposed ..f as requiredi by the applicable standards. <br />Septic Sewage Systems installed at the mines will treat the small <br />amount ~~r waste water generated at those sites. These systems will <br />be buried and present r... lasting disturbance. <br />'~EWAi±E TREATMENT <br />Salt Creek: sr~all provide sewage treatment, with respect to the <br />central facilities, for tw~~ major waste water s~?urces: 1) office <br />building ar~d '~) t~atriri~~U5c5. The sewa!ae treatment plant shall tie <br />designed f•?r a permar~er,t wc~r{;force of 450 persons. Because of the <br />cyclical nature of water cr.•r~sumptiar~/sewage- gerieratic•r~ attributable <br />tr. the ma,lc~r s.?urce (the bathhouse), the estimated hydraulic <br />loading fr.~r the rt~ine was dout~led front 1S gallons per day tc• :0 <br />gallons per day. The sewage- system Was then designed to treat the <br />• doubled load, An average daily flow of 1c:,500 gall~~ns per day is <br />anticipated try using an estimated hydraulic 1~?adina rate of :=:p <br />g.~till?ins per day per per5%~n. Ilsing an estimated BUU loading ..f <br />5/13/85 <br />