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<br /> <br />Table 8 <br />Sedimentation Pond Data -Part II <br />REV t5 Ell <br /> <br /> <br />Item Sedimentation Ponds <br />1 2 3 4 5 6 <br />Sedimentation Pond No. 1 2 3 4 5 G <br />Designation Taylor Gulch Streeter Gulch Work Loadout `ra~Kti <br /> Tributary Gulch A Area Area ~-~ry~n S <br /> :.:- <br />Pond Elevation: <br />Invert 6935.0 6581.7 6611.0 7149:5 6381.0 G33o.'] <br />Principal spillway ~-~~/n -693$:0 6584.0- ~6,~ 66x4:0- 7154.5 6385.4 G337a <br />Emergency spillway 6945.0 6589.0 6620.0 7156.0 6390.4 G33f,o <br />Top of embankment 6947.0 6591.0 6622.0 7158.0 6400.0 G 341.0 <br />Heights: <br />Pond invert to principal spillway ~• ° 3.0 2.3 ~/, 0 3.0 5.0 4.4 ~• 3 <br />Principal spillway to emergency spillway ~•° 7.0 5.0 f.a 6.0 1.5 5.0 ~-~ <br />Subtotal 10.0 7.3 9.0 6.5 9.4 Q,.3 <br />Emergency spiflwoy to top of embankment 2.0 2.0 2.0 2,0 9.6 z. ~ <br />Total 12.0 9.3 11.0 8.5 19.0 io, 3 <br />Principal Spillway: , <br />Type pipe pipe pipe pipe pipe P' Pz <br />Diameter 12" 24" 12" 12" 8" 'Z~~ <br />Entrance restriction diameter 4. $" 13" 4" none gated n>~°-c <br />10-yr flood routing max. w.s. 6943.0 6987.0 6617.9 7151.6 ~ 6386.5 G336..`f' <br />10-yr flood detention time (hr) 25.5 24.0 23.0 >24 > 24 > za <br />Emergency Spillway: <br />Runoff volume 25 yr 24 hr (acre feet) 18.2 22.8 11.1 5.7 4.5 /.. / <br />Spillway outflow (cfs) 36 41 25 0 0 0 <br />Width (ft) 30 30 15 10 2.5 dia. <br />Maximum w.s. 6945.34 6589.54 6620.42 < 7156.0 6392.25 ~ 633f c <br /> m <br />