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<br />C' <br />....f; . .' <br />i " <br /> <br />. <br /> <br />. <br /> <br />GREY MOUNTAIN .- IDYLWILDE PROJECT <br />1963 U.S.B.R. Reconnaissance Report <br /> <br />Idy1wilde Reservoir <br />Capacity -- 180,000 Ac.Ft. <br />Active Capacity' -- 169,000 Ac.Pt. <br />Maximum Area -- 1700 Ac. <br />Maximum Stream Inundation -- Approx. 7.5 mi. <br />Inactive Capacity c. 11,000 Ac.Ft. <br />Minimum Pool Area --32Q Ac. <br />Earth & Rock Fill Dam <br />Dam Height -- 290 Ft. <br />Crest Length-- 1250 Ft. <br />Location 2 miles downstream from Fish Rearing Unit near <br /> <br />Idylwi1de Power Plant <br />Installed Capacity -- 24,000 KW. <br />Average Head on Plant -. 278 Ft. <br />Maximum Discharge -- 1,250 c.f.s. <br />Annual Generation -- 39,700,000 KWH <br />Plant Factor "- 20,4% on Annual 8asis <br />26.0% on 5~ Oay Weekly Basis <br /> <br />Kinnikinnik Afterbay <br />Capacity -- 1,000 Ac.Ft. <br />Dam Height -- 55 Ft. <br />Crest Length -- 300 Ft. . <br />Concrete .- Ogee Crest Overflow Dam <br />Inactive Capacity -- 150 AC.Ft, <br />Surface Area.. 12 Ac. <br />Depth -- 20 Ft. <br />Active Capacity -- 850 Ac.Ft. <br />Location immediately below Idylwilde Dam <br /> <br />Releases from Afterbay <br />Average Full Time Releases -- 250-350 c.f.s. <br />to 8.5 Miles of Free Flowing River <br /> <br />Rustic Diversion Dam <br />Concrete.Dam Height -- 15 Ft. <br />Sluice Gates for Minimum Flow Releases to River <br />Summer Releases -- Approx. 70 c.f.s. <br />Winter Releases -- Approx. 25 c.f.s. <br />Location lower end of Indian Meadows <br /> <br />~ <br /> <br />El khorn Conduit <br />Total Length -- 11.6 Mi. <br />2 Tunnels @ 4.5 Mi. <br />Siphon @ Elkhorn Ck. -- 1 Mi. <br />Low Pressure Conduit -- 1.6 Mi. <br />Capacity -c 300 c.f.s. <br /> <br />Cache la Poudre Forebay <br />Capacity -- 5,400 Ac. Ft. <br />Acti ve Capacity -- 4,600 Ac. Ft. <br />Normal Pool Area -- 95 Ac. <br />Inactive Capacity -- 800 Ac.Ft. <br />Minimum Pool Area -- 28 Ac. <br />Ea rth & Roc k Fill Dam <br />Height -- 150 Ft. <br />Crest Length -- 750 Ft. <br />Earth & Rock Fill Dike <br />Height -- 70 Ft. <br />Crest Length -- 450 Ft. <br />Location -- 2 Miles North of Poudre Park <br /> <br />Cache la Poudre Power Conduit <br />Pressure Tunnel <br />Oi ameter -~ <br />Length <br />Capacity -- <br /> <br />20 Ft. <br />5,000 Ft. <br />3,000 c, f.s. <br /> <br /> <br />, : ~ ,'1;'>;. <' -,'~" <br /> <br /> <br />,- <br />J: ......-- <br />!. , " -", I~~}~;r)r--- <br />'," .. ",.....It:'-- <br />Iff{ Ocr 1. 6 "71 <br />l!3h... . IBBG <br />.QQ coio i <br />WSEltVA:' WA7i:~. ....;; <br />('ON So <br />"tRill <br /> <br />Kinnikinnik <br />