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<br />- <br /> <br />"" <br />CJ <br />~ <br />(',] <br />c' <br />~ ' <br />-' <br /> <br />7-2090 (4-8t) <br />Water and Power <br /> <br />TECHNICAL REPORT STANDARD TITLE PAGE <br /> <br /> 1. REPORT NO. 1'1' ">\1;, 116; '; ,~: 3, RECIPIENT'S CATALOG NO. <br /> , " <br /> 4, TITLE AND SUBTITL.E ,. REPORT DATE <br /> Final Report - Study of Saline Water Use at November 1986 <br /> the Harry Allen Generating Station 6, PERFORMING ORGANIZATION CODE <br /> 7. AUTHOR/51 B, PERFORMING ORGANIZATION <br /> REPORT NO. <br /> Jack K. Laughlin <br /> 9, PERFORMING ORGANIZATION NAME AND ADDRESS 10, WORK UNIT NO. <br /> 11, CONTRACT OR GRANT NO. <br /> ". TYPE OF REPORT AND PERIOD <br /> COVERED <br />12, SPONSORING AGENCY NAME AND ADDRESS <br /> Bureau of Reclamation <br /> Engineering and Research Center <br /> Denver, CO 80225 14. SPONSORING AGENCY CODE <br />15, SUPPLEMENTARY NOTES <br /> This report was prepared for the Bureau of Reclamation through an <br /> agreement with Jack K. Laughlin, Consulting Engineer. <br />16, ABSTRACT <br /> This study evaluates the use of saline water from the Lower Virgin River <br /> as a water supply to the proposed Harry Allen Generating Station near <br /> Las Vegas, Nevada. The Lower Virgin River is under investigation by the <br /> Bureau of Reclamation as a potential control source for 20,100 tons of <br /> salt that flows annually into the Colorado River system, <br /> The obj ectives of the study included the teehnical and economic evalu- <br /> ation of the in-plant cost differences for water supply using either the <br /> Lower Virgin River Unit water or Clark County secondary treated sewage <br /> effluent as the saure es for the Harry Allen Generating Station. Evalu- <br /> ations of the tee hnical risks for use of Lower Virgin River Unit water vs <br /> secondary sewage effluent showed that the plant design and operating <br /> uncertainties were about equal in magnitude if water quality for the <br /> sources were predictable. Overall results show that the Lower Virgin <br /> River Unit water saure e is a viable water supply for the Harry Allen <br /> Station, provided the quality and quantity of water supply are confirmed <br /> by additional wells and monitoring. Cost advantages of the ion exchange/ <br /> sidestream treatment process can be incorporated into the Harry Allen <br /> desi"n if the technical and economic viabilitv of the nrocess can be <br />17, KEY WORDS AND DOCUMENT ANALYSIS confirmed throuyh field demonstration, <br />a. DESCRIPTORS,. saline water/cooling towers/sa inity control/economic <br /> analysis/powerplant cooling/Harry Allen Generating Station/powerplant <br /> water supply/softening/process selection/ <br />b. IDENTIFIERS-- <br />c. CQSA T I Fie kJ/GrouO COWRRc SRIM, <br />IS. DISTRIBUTION S'"ATEMENT 19_ SECURITY CLASS 21, NO" OF PAGE~ <br />Available from the National Technical Info~mation Service, Operations (THIS ~EPOR"fl 72 <br /> UNCLASSIFIED <br />Division, 5285 Port Royal Road, Springfield, Virginia 22161. 20. SECuRITY CLASS '2, PRICE <br /> (TfiIS PAGEl <br /> UNCLASSIFIED <br /> <br />_ _.GP9_IH\."~'6. <br />