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<br />00u230 <br /> <br />I. <br /> <br />GLEN CANYON DAM AND lAKE POWEll <br />RESERVOIR STORAGE AllOCATION <br /> <br />Top of Dam ............................ <br />Maximum Water Surface ................. <br />Maximum Power Head .................... <br />Top of Spillway Gate .................. <br />Perm. Spillway Crest .................. <br />Spillway Approach ..................... <br /> <br />Rated Head ............................ <br />Minimum Power Pool .................... <br />Penstock Chamber Intake ............. <br />River Outlet Chamber Intake <br />and Bottom of live Capacity......... <br /> <br />Dead Storage .......................... <br />Maximum tailwater without spill <br />Average tailwater without spill <br />Center line Turbine <br />Channel bottom <br /> <br />lake <br /> <br />Powe 11 <br />Available <br />live <br />Storage <br />(a.f.) <br /> <br />Elevation <br />(ft. ) <br /> <br />In <br />live <br />Storage <br />(a. f.) <br /> <br />3715 (SURCHARGE) <br />3711 26,140,809 <br />3698 25,634,995 <br />3700.. 24,322,344 -0- <br />3648.. 16,968,037... 7,354,307 <br />3635.. 15,420,364... 8,901,980 <br />3570... 9,107,075.. 15,215,269 <br />3490... 3,997,155.. 20,325,189 <br />3470... 3,071,165.. 21,251,179 <br /> <br />3374...... 82,651.. 24,239,693 <br />3370...... .-0-..... 24,322,344 <br />3146.1 <br />3138 <br />3140 <br />3132.4 <br /> <br />Notes: 1) Total Capacity at 3700 is 26,214,858 a.f. <br />2) Dead Capacity is 1,892,512 a.f. <br />3) Spillway Capacity @ 3700.00 = 2 x 104,000 cfs = 208,000 cfs <br />4) River Outlet Capacity @ 3648.00 = 4-96" Barrels x 3750 cfs 15,000 cfs <br />5} Power Generation Rating = 8 units x 161.4(ave.}= 1,291 MW <br />6) Power Capability = 8 units x 153.4 = 1,227 MW <br />7} Directly contributing Drainage Area = 107,740 square miles <br />Total Drainage Area = 111,700 square miles <br />8) Average Annual Unregulated Inflow into lake Powell = 11,900,000 af <br />9) completed in 1964 under CRSP and filled first time in 1980. <br /> <br />A-20 <br />