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J . M. M ONTGOM ERY & C O ., IN C . EN G IN E ER S PRELIMINARY ESTIMATE December 21, 1948 Subject: WATER SUPPLY SYSTEM FOR LAS VEGAS AND VICINITY Source of supply is Lake Mead ITEM B 2. 3. 4. 5® 6® Capacity of system - 26 m.g.d. ** 150 acres* Pumping Plant sites, Reservoir sites, Pipe Line Right of Why Welded steel pipe lines — eoal tar enameled «wd wrapped - 3 ft. minimum cover, complete with air valves, drains and manholes: 22 miles, 40** 1*8 " 30" 1 1 . 1 1 2 4 " 6.1 " 18" Intake structure, erected Excavation - 1800 cu.yds. @ $10. Concrete, 400#?cu.yds. @ $40. Control House - 10,000 cu.ft. ® $1 . Switchgear 6 - 3600 g.p.m. pumps (1 spare) and valves, and fittings $ 5,000. 4,750,000. 300.000. 18,000. 16,000. 10.000. 81,000. 200,000. 4 miles, 5 Kv. double circuit underground line between Intake and Booster Pumping Stations 240 000. Booster Pumping Station 1-1/2 mg covered regulating reservoir 48 000. Pumping Station - 85,000 cu.ft. 0 $1 . 85,000. 6 - 3600 g.p.m*, pumps, 1000 H.P. motors 250,000. Surge control valves and fittings 68,000. Venturi meter, gate and check valves, piping and fittings 124,000. Switchgear, rack and 10,000 Kva transformer hawk 195,000. Excavation, grading, roads and fences 18,000. Power Lines - 66 Kv. - 15 miles total 225,000. Telephone and control lines — 22 mi. and equipment 42,000.