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<br />(f- <br />. <br />II <br />.,1 <br />f. <br /> <br />"~I <br />,I <br />:1 <br />t <br />~I <br />,I <br />I <br />"I <br />:1 <br />I <br />I <br /> <br /> Limon Watershed, Colorado / <br /> h <br /> , Structure l'IUll'lier <br /> --, <br />It ern Unit 1.-1 1.-2 / 1.-3 TarAL <br />Drainage Area Sq.Hi. 8.28 2,66 Jq/ 2,39 13.33 <br />Storage Capacity <br />Sediment Ac,Ft. 97 2930 25 151 <br />Floodwater Ac,Ft. 1104 35571'1 319 1778 <br />Water Supply Ac.Ft. 0 0 0 0 <br />Total Ac.Ft. 1201 3843,6 344 1929 <br />Surface Area <br />Sediment pool Ac. 23.5 10.6 8.3 42.4 <br />Floodwater pool Ac. 144.5 59.0 ,,48.7 252.2 <br />Volume of fill Cu.Yds. 124,000 75.694:5f, 66,403 266,097 <br />Elevation of Top of Dam Ft. 5402.8 5398.7 5396.5 xxxx <br />Haximum Height of Dam Ft. 32.9 27.0 27.3 xxxx <br />Emergency Spillway i" <br />Crest elevation Ft. 5397,8 5393.7" 5391.5 xxxx <br />Bottom ",idth Ft. 370',)^,'j 135 132 xxxx <br />Type Earth Earth / Earth xxxx <br />Percent chance of use 1 1 / 1 xxxx <br />Ave, Curve No, - Condition II 77 77 77 xxxx <br />Emergency spillway hydrograph <br />Stonn rainfall (6-hr.) ~I In. 5,3 5.6 5.6 xxxx <br />Stonn runoff In. 2.9 3,1 3.1 xxxx <br />Velocity of flow (Vel 11 FtlSec, 3.0 3.3 3.3 xxxx <br />Discharge rate 11 cfs 300 150 150 xxxx <br />Max. w.s. elev. 11 Ft. 5398,4 5394.5 5392.3 xxxx <br />Freeboard hydrograph <br />Stonn rainfall (6-hr. ) ~I In, 13.2 14.0 14,0 xxxx <br />Storm runoff In. 10.2 11.0 11.0 :<xxx <br />Velocity of flOli (Vel 11 Ft/Sec. 9,5 9.5 9.5 xxxx <br />Discharge rate 11 cfs 10.400 3,770 3.700 XXXY <br />Max, w,s. elev. 11 Ft. 5402.8 5398.7 5396.5 xxxx <br />Principal Spillway j"~ <br />Capacity-1o", stage <br />Average cfs 50 (jj) 25 xxxx <br />llaximllI!'. cfs 63 32 32 XXXX <br />Capacity Equivalents i , <br />Sediment ,In. 0.22 I 0.21 0.20 , xxxx <br /> , , f , <br /> <br />- 27 - <br /> <br />0:1770 <br /> <br />TABLE 3 - STRUCTURE DATA <br /> <br />FLCODWATER-RETARDING STRUCTURES AND <br />loJATER SUPPLY RESERVOIRS <br /> <br />~I <br />~I <br /> <br />2.50 <br />1,92 <br />c <br /> <br />2 50/.1 <br />. I <br />2;86/ <br /> <br />Detentlon volume <br />Spillway storage <br />Class of structure <br /> <br />:In. <br />IIn. <br />I <br /> <br />I <br />I <br /> <br />11 Maximum during passage of hydrograph. <br />21 Adjusted for area and hazard. <br />JJ hr Ifr. lileViet'er to (II. MARt: riM) 3 <br />::r I? f'J.tV If II <br /> <br />Date: <br /> <br />September 1962 <br /> <br />~- <br /> <br />E51: <br /> <br />2.50 <br />2.61 <br />c <br /> <br />xxxx <br />xxxx <br />:<xxx <br />