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FLOOD01889
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Last modified
11/23/2009 1:09:07 PM
Creation date
10/4/2006 10:26:28 PM
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Template:
Floodplain Documents
County
Summit
Community
Tiger Run Resort
Stream Name
Swan River
Title
Tiger Run Resort Community File
Date
1/1/2001
Prepared For
CWCB
Prepared By
CWCB
Floodplain - Doc Type
Community File
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<br />EXHIBIT A <br /> <br />,BillE RIVER & SWAN RIVER - HYDROIffiY <br /> <br />1. Site elevations - 9260 to 9150 <br /> <br />2. Water level in Dillon Reservoir - 9017 <br /> <br />3. Design based on Max. recorded flow in Blue River for a 70 year period - <br />peaked 6-17-65 @ 1,250 cfs fran gaging station 1,000' downstream <br />4..1:- Blue River = 119 sq. mi. drainage area. 'lbtal drainage area upstream fran <br />concluence = 91 sq. mi. <br /> <br />Q100 = 1086 cfs vs 1,250 cfs <br />5f Swan River = 38 sq. mi. <br /> <br />(IDg Pearson vs. recorded) <br /> <br />drainage area J' <br />Q100 = 507 cfs vs 1,250 cfs (IDg Pearson vs. asSUllEd) , <br /> <br />*This is a very conservative criteria for channel design of on site Swan <br /> <br />River channel. <br /> <br />'lbtal Q100 = 2,500 cfs desi5J11 (Blue River downstream of confluence) <br /> <br />Actual Q100 = 1,593 cfs (by IDg Pearson Type III) <br />'6. 1 t,.\ J... o.cAv..o..O.. slrr_ ~,X.M..'" t>"I <br />Slopes continuous @<::;< 100'/mile = 1.89% ~ ~~~o.k'~ <br /> <br />7. Frisco" Power substation, Colinty School, Boat Ramp, Sewage Plant, Fanners <br /> <br />Corner,etc., all below site elev. 9150 ::: <br /> <br />SWAN RIVER <br /> <br />Calculation for on-site channel design <br /> <br />Q100 = 740 cfs <br /> <br />OPEN CHANNEL DESIGN <br />,h.ZftL ~ ("\0 ..?frILCVW\+!ou.J W~ +'0.... <br />(by IDg Pearson III)--- ,5uJC:lV'o"\ ~~r ""~ Oe. no 1.."~Pblno"" <br />T'1(YL = ~s's, <br /> <br />Q100 = 1,250 cfs (assumed for study) <br />~ 100' <br />Slope = 100/mile = 5280' = 1.89% <br /> <br />~ J3a s.e.C 0 r, <br /> <br />~eM. a.du.r...e ~ lao.e. - a.) ~Is.h% ch::t.V\vw.R IV,,9 <br />b) p.rO(ISI,Q.~ (W'O-P-t.. <br /> <br />'Peal( O....e. stvd..1 b.~ E:r ~<2:.t1C'.50{'- <br /> <br />1 <br />
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