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JAN.23.19% 2 :36PM CITY OF ASPEN No.805 P.13 <br />MNICY SEWAGE TMIXENT PLANT <br />On July 24, 1977 a 35-year storm in the headwaters of Dutch Creek <br />created flash flooding downstream that severely damaged Mid - Continent <br />Coal and Coke's bathhouse /District office located in Coal Basin, 4k <br />miles west of Redstone, Colorado, <br />The flood destroyed all the plumbing fixtures and filled the sewers <br />and septic tanks with mud and rock. One of the taro existing leach fields <br />was exposed during the cleanup operation. Based on the damage, the most <br />efficient repair was the installation of now septic tanks and leach <br />fields. <br />Richard Bowman, District Engineer, Colorado Health Department; <br />Robert Nelson, Pitkin County Sanitarian; Brad Bourquin, Mining Engineer <br />and John T4irner, General Manager of Mid - Continent net August 31 and <br />outlined the following plan and authorized emergency construction. <br />Service from the bathhouse is divided into two sewers as follows: <br />Septic Tank #1 <br />6 toilets <br />@ <br />36 <br />gal /hr <br />(3 hr) <br />648 gpd <br />4 urinals <br />@ <br />10 <br />gal /hr <br />(3 hr) <br />120 gpd <br />2 sinks <br />@ <br />15 <br />gal/ha <br />(3 hr) <br />90 gpd <br />858 gpd <br />Septic Tank #2 <br />2 toilets <br />@ <br />36 <br />gal/hr <br />(3 hr) <br />216 gpl <br />1 urinal <br />@ <br />10 <br />gal. /hr <br />(3 hr) <br />30 <br />4 <br />Service from the training center <br />Septic Tank 03 <br />2 toilets @ 36 gal/hr (3 hr) 216 gpd <br />2 urinals @ 10 gal /hr (3 hr) 60 gpd <br />2 sinks @ 15 gal /hr (3 hr) 90 <br />366 gpd <br />The sewage flow was estimated using, Table 10 - Sewage,Flow at Public <br />Parks in the Manual of Septic -Tank Practice, U. S. Department of I%alth, <br />Education, and Welfare. This table was considered appropriate since the <br />facilities are used by the miners as they prepare for work and once again <br />as they leave. The mine operates three shifts with each shift having <br />about one hour total time in the bathhouse. <br />