Journal of electricity, power, and gas . for Electrical Development, Inc. DO IT ELECTRICALLY. I Journal of Electricity POWER AND GAS Devoted to the Conversion, Transmission and Distribution of Energy I Volume XXXII SAN FRANCISCO, FEBRUARY 21, 1914 Number 8 [Copyright 1914 by Technical Publishing Company] HYDROELECTRIC PLANT COST CONSIDERATIONS BY J. C. RALSTON. (This syllabus or specification for the preparation of an estimate of cost of a hypothetical hydroelec-tric plant to serve, under municipal operation, a western city of 125,000 population, which it is assumedis already well served by a
Journal of electricity, power, and gas . for Electrical Development, Inc. DO IT ELECTRICALLY. I Journal of Electricity POWER AND GAS Devoted to the Conversion, Transmission and Distribution of Energy I Volume XXXII SAN FRANCISCO, FEBRUARY 21, 1914 Number 8 [Copyright 1914 by Technical Publishing Company] HYDROELECTRIC PLANT COST CONSIDERATIONS BY J. C. RALSTON. (This syllabus or specification for the preparation of an estimate of cost of a hypothetical hydroelec-tric plant to serve, under municipal operation, a western city of 125,000 population, which it is assumedis already well served by a public utility corporation, ivas presented by Mr. Ralston who is a member,American Society of Civil Engineers, and a consulting engineer, Spokane, Wash:, at a joint meeting ofthe Spokane Section, A. I. E. E.; Spokane Chapter, A. S. C. E.; Columbia Section, A. I. M. E.; andthe Faculties of Engineering, and engineering students of the University of Idaho and WashingtonState College, held at Moscow, Idaho, January 17, 1014.—The Editors.). Waterpower Is a Result Only of Development. Assumed: A western inland city, population 125,-000, now served by a public utilities corporation whichof necessity for a city of this size would have two ormore hydroelectric power plants, interconnected, andhaving- a commensurate steam auxiliary power plantand a large storage battery plant. Also, a typical intermountain power stream sup-plying a low water flow of 2200 cu. ft. per sec. ft. Maximum flood discharge 20 times that of low canon site, in rapids, with solid granite or basaltwalls, 90 to 100 ft. high. Escarpment on one side,steep slope (say 60 degrees) with some talus onopposite side of river. Bench lands on both sidesabove walls of canon. River at site 20 ft. deep and 70 ft. wide at lowwater level. Oscillation between high and low water 156 JOURNAL OF ELECTRICITY, POWER AND GAS [Vol. XXXII—No. S 30 ft. Average fall of river above site for 20 ft. per mile. Width of river b
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