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q c o i t YORK CORPORATION Pacific District 5051 Santa Pe Avenue Los Angeles 5 8 , California 0 P Y September 19, 1952 Mr, R, E. Thorn, Manager Sears, Roebuck & Company 6ol Fremont Street Las Vegas, Nevada Dear Mr, Thorn: This is to acknowledge your letter dated September 16 , 1952, in regard to some estimated figures on water consumption in connection with your present air conditioning system. Our records show that you how"have installed the following equipment; In regard to hours of operation and the water consumption for the season, we offer the following calculations: Water evaporated ® l/4#/min,/ton x 1 2 5 tons = 3 1 .2 5 #/min, 1 0 hr, day » 3 1 .2 5 #/®in. x 6 0 min. x 1 0 lira, - l8 ?5 0 #/day. 58500 gal, evaporated calculated on 100$ month, such as July and August, Other months consumption are not as high- May 50$ of 58500 gal. = 29250 gal. June 75$ of 58500 gal, | 43880 gal. July 100$ of 58500 gal. - 58500 gal. Aug. 100$ of 58.500 gal. = 58500 gal. Sept. 75$ of 58500 gal. - 43880 gal. Oct. 50$ of 58500 gal. = 29250 gal. Total Amount Evaporated = 2&3»260 gal. 1 - 7 5 ton unit 1 - 1 0 ton unit 1 - 4o ton unit 125 tons total Capacity - Compressor No. 1 - 7 5 tons Compressor No. 2 - 1 0 tons Compressor No. 3 - 40 tons Total 1 2 5 tons Add 100$ for water loss on overflow to drains and wind drift 263,260 gal Total Annual Consumption 526,520 gal