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<br />- vv -
<br />
<br />l"age J or 4
<br />
<br />TABLE 3 - STRUCTURE DATA
<br />
<br />FLOODWATER-RETARDING STRUCTURES AND
<br />COMBINATION GRADE STABILIZATION AND FLOODl'lATER-RETARDING STRUCTURES
<br />
<br />Franktown-Parker Watershed, Colorado
<br />
<br />
<br />I
<br />I UNIT
<br />
<br />,"
<br />
<br />STRUCTURE
<br />FP-E7 I FP-E8
<br />1,75 11,98
<br />
<br />W1BER
<br />FP-E9 j FP-LGl
<br />2,4011 4,54
<br />
<br />30 SO
<br />116 I 121
<br />,
<br />o I 0
<br />146 171
<br />
<br />\'
<br />
<br />, ITEH
<br />
<br />Drainage Area 61
<br />Storage Capacity
<br />Sediment
<br />Floodwater
<br />Hater supply
<br />Total
<br />Surface ilrea
<br />Sediment pool
<br />Floodwater pool
<br />Water supply pool
<br />Volume of Fill
<br />Elevation Top of Dam
<br />Naximum Height of Dam
<br />Emergency Spillway
<br />Crest elevation
<br />Bottom v,idth
<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 inch
<br />Storm runoff - , inch
<br />Velocity of flow I
<br />(vc) 11 I ftlsec
<br />Discharge rate II ' c f s
<br />Hax. W.s, elev.-ll f~et '
<br />Freeboard hYdrograph
<br />Storm rainfall (6-hr) 3 Ii inch
<br />Storm runoff - i inch
<br />Velocity of flow .
<br />(vcl ])
<br />Discharge rate 11
<br />Nax, w.s. elev.-l1
<br />Principal Spillway -
<br />Capacity - low stage
<br />Capacity Equivalents
<br />Sediment volume
<br />Detention volume
<br />Spillway storage
<br />Class of structure
<br />
<br />FP-E6
<br />3.62
<br />
<br />FP-LG2
<br />12,22
<br />
<br />sq.mi,
<br />
<br />ac,ft,
<br />I ac.ft.
<br />I ac.ft,
<br />ac.ft.
<br />
<br />I
<br />I acre
<br />
<br />~' :~;:
<br />
<br />u,yds,
<br />feet
<br />I feet
<br />
<br />I feet
<br />feet
<br />
<br />51
<br />185
<br />o
<br />236
<br />
<br />25
<br />51
<br />o
<br />76
<br />
<br />142
<br />531
<br />o
<br />673
<br />
<br />88
<br />391
<br />o
<br />479
<br />
<br />9.8
<br />25.2
<br />o
<br />49,915
<br />92.8
<br />28.4
<br />
<br />7.6
<br />11.6
<br />o
<br />26,873
<br />100.4
<br />23.4
<br />
<br />24,2
<br />60.0
<br />o
<br />45, 035
<br />22.2
<br />43,2
<br />
<br />5,8
<br />15.6
<br />o
<br />4,703
<br />103.3
<br />30,6
<br />
<br />9,8
<br />19.4
<br />o
<br />34,573
<br />97,0
<br />28,4
<br />
<br />14,8
<br />40,1
<br />o
<br />68,452
<br />105,7
<br />34.5
<br />
<br />-
<br />f
<br />J
<br />i
<br />I
<br />
<br />.
<br />
<br />88.3
<br />85
<br />Earth
<br />4
<br />76
<br />
<br />96.4
<br />80
<br />Earth
<br />4
<br />76
<br />
<br />17.2
<br />152
<br />Earth
<br />4
<br />76
<br />
<br />99,3
<br />95
<br />Earth
<br />4
<br />78
<br />
<br />93,0
<br />110
<br />Earth
<br />4
<br />74
<br />
<br />100.7
<br />94
<br />Earth
<br />4
<br />76
<br />
<br />2.30
<br />0.57
<br />
<br />2.40
<br />0,63
<br />
<br />2.20
<br />0,51
<br />
<br />2,40
<br />0,77
<br />
<br />2,25
<br />0,47
<br />
<br />2,13
<br />0,48
<br />
<br />;"
<br />~
<br />.
<br />
<br />o
<br />o
<br />88.3
<br />
<br />o
<br />o
<br />96,4
<br />
<br />o
<br />o
<br />17.2
<br />
<br />o
<br />o
<br />99,3
<br />
<br />o
<br />o
<br />93,0
<br />
<br />o
<br />o
<br />100,7
<br />
<br />f
<br />~
<br />~
<br />I
<br />
<br />~:
<br />
<br />3.45
<br />1,32
<br />
<br />3,53
<br />1,38
<br />
<br />3,19
<br />1.14
<br />
<br />3.52
<br />1,57
<br />
<br />3.38
<br />1,17
<br />
<br />3.19
<br />1,15
<br />
<br />ftlsec
<br />c.f.s.
<br />feet
<br />
<br />8.0
<br />1314
<br />92.3
<br />
<br />6.2
<br />580
<br />99.1
<br />
<br />14.00
<br />
<br />9,0
<br />/3496
<br />122,2
<br />
<br />127.80
<br />
<br />6,7
<br />867
<br />102,3
<br />
<br />14.90
<br />
<br />7,8
<br />1593
<br />96,7
<br />
<br />6,3
<br />700
<br />103,4
<br />
<br />I
<br />! c, f. s.
<br />,
<br />I
<br />I. h
<br />lnc
<br />inch
<br />inch
<br />
<br />22.90
<br />
<br />44,86 1117.60
<br />I
<br />
<br />0,22 I
<br />I
<br />0.63 I
<br />0,51 I
<br />i
<br />
<br />0,27
<br />0.63
<br />0.69
<br />"ail I
<br />
<br />0.27
<br />0.63
<br />0,68
<br />tJaU
<br />
<br />0.23
<br />0,72 i
<br />,,~,~581
<br />I
<br />
<br />0.21
<br />0,55
<br />0.41
<br />"au
<br />
<br />0,14
<br />0,63
<br />0,38
<br />uaFl
<br />
<br />{fail
<br />!
<br />
<br />11 Maximum during passage of hydrograph,
<br />21 Six-hour rain adjusted for area x D,S (Engineering Hemorandum No, 27, revised).
<br />II Six-hour rain adjusted for area x 0,75 (Engineering Hemorandum No, 27, revised),
<br />~I Total drainage area above FP-E6 is 4,93 square miles, above FP-E8 is 32,83
<br />square miles,
<br />
<br />Date: April 1960
<br />
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