Laserfiche WebLink
<br />TABLE 3 - STRUCTURE DATA <br /> <br />FLOOD\VATER-RETARDING STRUCTURES AND <br />COMBINATION GRADE STABILIZATION AND FLOODWATER-RETARDIIrG STRUCTURES <br /> <br />Franktown-Parker Watershed, Colorado <br /> <br />,. <br />,., <br />tJ <br />~~ <br /> <br />ITEl"I <br /> <br />Drainage Area 51 <br />Storage Capacity <br />Sediment <br />Floodwater <br />Water supply <br />Total <br />Surface Area <br />Sediment pool <br />Flocdwater pool <br />Water supply pool <br />Volume of Fill <br />Elevation Top of Dam <br />Maximum Height of Dam <br />Emergency Spillway <br />Crest el eva ti on <br />Bottom width <br />Type <br />Per cent chance of use <br />Ave. Curve No.-Cond. II <br />Emergency spillway <br />hydrograph <br />Storm rainfall(6-hr)21 <br />Storm runoff - <br />Velocity of flow <br />(vc) 1../ <br />Discharge rate 11 <br />Max. w.s. elev. 11 <br />Freeboard hydrograph <br />Storm rainfall(6-hr)31 <br />Storm runoff - <br />I Velocity of flow <br />I (vc) 11 <br />I Discharge rate 11 <br />I Max. H.S. elev. 11 <br />Principal Spill Hay - <br />Capacity - 10"1 stage <br />Icapacity Equivalents <br />Sediment volume <br />I Detention volume <br />Spill Hay storage <br />Class of structure <br /> <br />f <br />t: <br />I <br /> <br />~ <br /> <br />I <br /> <br />. <br /> <br />ii, <br />~ <br /> <br />I <br />~. <br />€ <br /> <br />I <br /> <br />, <br /> <br />UNIT <br /> <br />sq.mi. <br /> <br />ac.ft. <br />ac.ft, <br />ac.ft. <br />ac.ft. <br /> <br />acre <br />acre <br />acre <br />cu.yds. <br />feet <br />feet <br /> <br />feet <br />feet <br /> <br />inch <br />inch <br /> <br />t/sec. <br />c.f.s. <br />feet <br /> <br />inch <br />inch <br /> <br />ftlsec <br />c.f.s <br />feet <br /> <br />c,f.s. <br /> <br />inch <br />inch <br />inch <br /> <br />FP-Bl <br />2.09 <br /> <br />25 <br />89 <br />o <br />114 <br /> <br />4.4 <br />13.3 <br />o <br />54,859 <br />281,6 <br />28.4 <br /> <br />277.6 <br />62 <br />Earth <br />4 <br />81 <br /> <br />2.35 <br />0.83 <br /> <br />o <br />o <br />277.6 <br /> <br />3.53 <br />1.73 <br /> <br />8,6 <br />1190 <br />281.6 <br /> <br />33.12 <br /> <br />STRUGrURE NUMBER <br /> <br />FP-El <br />3.09 <br /> <br />31 <br />95 <br />o <br />126 <br /> <br />7.1 <br />17.5 <br />o <br />27,951 <br />106.8 <br />23.0 <br /> <br />102.8 <br />92 <br />Earth <br />4 <br />76 <br /> <br />2.30 <br />0.57 <br /> <br />o <br />o <br />102.8 <br /> <br />3.45 <br />1.34 <br /> <br />8.0 <br />1470 <br />106.6 <br /> <br />30.58 <br /> <br />0,22 0.19 <br />0.87 0.63 <br />0.59 0.50 <br />i"laN flat... <br />~- --------- <br /> <br />FP-E2 <br />1.97 <br /> <br />28 <br />76 <br />o <br />104 <br /> <br />7.2 <br />15.6 <br />o <br />28,265 <br />58.8 <br />23.0 <br /> <br />54.8 <br />93 <br />Earth <br />4 <br />76 <br /> <br />2.35 <br />0.60 <br /> <br />o <br />o <br />54.8 <br /> <br />3.53 <br />1.38 <br /> <br />7.5 <br />1230 <br />58.5 <br /> <br />21.44 <br /> <br />0.21 <br />0.63 <br />0.68 <br />NaU <br /> <br />FP-E3 <br />4.70 <br /> <br />76 <br />269 <br />o <br />345 <br /> <br />14.3 <br />32.7 <br />o <br />67,252 <br />46.3 <br />34.9 <br /> <br />41.3 <br />125 <br />Earth <br />4 <br />75 <br /> <br />2.30 <br />0.53 <br /> <br />o <br />o <br />41.3 <br /> <br />3.41 <br />1.24 <br /> <br />8.8 <br />~682 <br />46.3 <br /> <br />46.70 <br /> <br />I <br />0.30 <br />0.59 <br />L"~;'_86__. _ <br /> <br />FP-E4 <br />3.87 <br /> <br />41 <br />194 <br />o <br />235 <br /> <br />9.0 <br />26.0 <br />o <br />41,059 <br />09.1 <br />28.1 <br /> <br />05.1 <br />104 <br />Earth <br />4 <br />78 <br /> <br />2.30 <br />0.66 <br /> <br />o <br />o <br />05.1 <br /> <br />3.45 <br />1.46 <br /> <br />7.6 <br />1413 <br />108.7 <br /> <br />23.00 <br />0.20 <br />0.72 <br />0,58 <br />uau <br /> <br />FP-E5 <br />1.31 <br /> <br />15 <br />35 <br />.0 <br />50 <br /> <br />3.8 <br />8.5 <br />o <br />16,956 <br />103.1 <br />22.5 <br /> <br />99.1 <br />80 <br />Earth <br />4 <br />74 <br /> <br />2.40 <br />0.55 <br /> <br />o <br />o <br />99.1 <br /> <br />3.56 <br />1.28 <br /> <br />5.5 <br />412 <br />101.4 <br /> <br />13.76 <br /> <br />0.22 <br />0.55 <br />0.60 <br />"au <br />u . "',' <br /> <br />11 Maximum during passage of hydrograph. <br />~I Six-hour rain adjusted for area x 0.5 (Engineering Memorandum No. 27, revised). <br />31 Six-hour rain adjusted for area x 0.75 (Engineering Memorandum No. 27, revised). <br />~I Total drainage area above FP-E2 is 2.51 square miles. <br /> <br />Date: April 1960 <br /> <br />