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A A . <br />ORIGINAL GROUND <br />CULVERT SC -9 <br />6700 INVE LEV', 6673.0 -. _ _.._ - 6700 <br />BOTTOM OF POND ELEV. 6660.0 Z <br />i I <br />6650 6650 <br />0 +00 1 +00 2 +00 3 +00 4 +00 5 +00 <br />(/ <br />C <br />B' C <br />ORIGINAL GROUND <br />6700 <br />CULVERT, SC -9 m <br />6700 INVERT ELEV. 6671.0 6700 <br />_.__. - - - - -- -- - BOTTOM - - - -- \\ - - -- <br />- - - -- -- - I OF POND ELEV. 6660.0 \ <br />6650 <br />C' <br />BOTTOM OF POND ELEV. 6660'.0 BOTTOM OF POND ELEV <br />SC -9 <br />6650 <br />I <br />m <br />r <br />6700 < <br />z <br />6650 <br />6600 L- 1 6600 <br />0 +00 1 +00 2 +00 3 +00 <br />i <br />6600 1 <br />0 +00 <br />6650 <br />J 6600 <br />5 +00 <br />PS1 AND PS2 SUMP CROSS - SEC TIONS <br />HORIZONTAL SCALE <br />0 50' 100' <br />VERTICAL SCALE <br />0 50' 100' <br />WATER <br />FLO4- .. - <br />FOOT MINIMUM <br />Portal Sump No. 1 (PS -1) Stage /Storage <br />(10 -Year, 24 -Hlour Storm Event) <br />Elevation <br />(ft.) <br />Stage <br />(ft.) <br />Area <br />(acres) <br />Capacity <br />(acre -ft) <br />Description <br />6600 1 <br />0 +00 <br />6650 <br />J 6600 <br />5 +00 <br />PS1 AND PS2 SUMP CROSS - SEC TIONS <br />HORIZONTAL SCALE <br />0 50' 100' <br />VERTICAL SCALE <br />0 50' 100' <br />WATER <br />FLO4- .. - <br />FOOT MINIMUM <br />Portal Sump No. 1 (PS -1) Stage /Storage <br />(10 -Year, 24 -Hlour Storm Event) <br />Elevation <br />(ft.) <br />Stage <br />(ft.) <br />Area <br />(acres) <br />Capacity <br />(acre -ft) <br />Description <br />6,660.0 <br />0 <br />0 <br />0 <br />Bottom of Sump <br />6,662.0 <br />2.0 <br />0.01 <br />0.02 <br />6,664.0 <br />4.0 <br />0.02 <br />0.06 <br />6,666.0 <br />6.0 <br />0.02 <br />0.10 <br />6,668.0 <br />8.0 <br />0.03 <br />0.14 <br />6,670.0 <br />10.0 <br />0.03 <br />0.20 <br />Maximum Water Level (provides storage <br />for runoff from 25 -year, 24 -hour event) <br />6,672.0 <br />12.0 <br />0.04 <br />0.27 <br />6,673.0 <br />13.0 <br />0.04 <br />0.31 <br />Principal Spillway (Culvert SC -9) <br />6,675.0 <br />15.0 <br />0.05 <br />0.4 <br />Top of Sump <br />SEDIMENT LEVEL 6672.0 <br />PRINCIPAL SPILLWAY - PSI SUMP <br />DETAIL NOT TO SCALE <br />Portal Sump - #2 (PS -2) Stage /Storage <br />- (10 -Year, 24 -Hour Storm Event) j <br />Elevation <br />(ft. <br />MSL) <br />Stage <br />(ft.) <br />Area <br />(acres) <br />Capacity <br />(acre-ft) <br />Description <br />6,660.000 <br />0 <br />0 <br />0 <br />Bottom of Sump <br />6,662.000 <br />2.0 <br />0.08 <br />0.14 <br />6,664.000 <br />4.0 <br />0.10 <br />0.32 <br />6,666.000 <br />6.0 <br />0.13 <br />0.54 <br />6,668.000 <br />8.0 <br />1 0.16 <br />0.82 <br />6,669.000 <br />9.0 <br />0.17 <br />0.98 <br />Maximum Water Level (provides storage <br />for runoff from 25 -year, 24 -hour event) <br />6,670.000 <br />10.0 <br />0.19 <br />1.16 <br />6,672.000 <br />12.0 <br />0.21 <br />1.56 <br />6,674.000 <br />14.0 <br />0.22 <br />1.99 <br />6,675.000 <br />15.0 <br />0.23 <br />2.21 <br />Top of Sump <br />G�v`�`rien9a °aSa {e{Y <br />PS 1 AND PS2 SUMPS PLAN V IEW <br />SCALE <br />50' 0 50' 100' <br />CONTOUR INTERVAL 5FT. <br />ooh RE <br />W <br />- ; 26046 c of <br />�1 I \�� G\\\\ <br />PROFESSIONAL ENGINEERS STATEMENT <br />/ state that this map was prepared <br />under my supervision and a// the <br />information presented hereon is true <br />and correct to the best of my <br />knowledge and i for ation. <br />Doe Mich e/ W. Lu w, CO P.E. 26046 <br />iT� <br />