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<br />WORKSHEET W- 2 <br /> <br />ROUTING CALCULATIONS <br />(METHOD OF SUCCESSIVE AVERAGES FOR A SINGLE REACH) <br /> <br />DAM NAME: <br /> <br />LOG- LAKE. <br />CO/ORA.l)O <br /> <br />CALCULATIONS BY: ..::T." VAN SCIVER <br />DATE: q-I-88 <br /> <br />LOCATION: <br /> <br />INITIAL HYDROGRAPH: Qp (or Qri) = 13728 <br />REACH DESCRIPTION: Length (L) = 10560 <br /> <br />CFS, <br /> <br />Tp (or Tri) /. IS HRS <br />Slope(s) = O.007~ FT/FT <br /> <br />Ft. , <br /> <br />ROUGHNESS VALUE n = <br /> <br />or n = 0.39 sO.38 R-0.16 = 0.0(/3/ <br /> <br />TYPICAL CROSS SECTION OF REACH <br /> <br />._.-o-.~--__~._._~_.,.___.'''_. _ _. -~.~ ~~ -H.----i <br /> <br /> <br />hT~-:j*~~:~:~r-~~l~-; -~ <br /> <br />2 = 1. 486 A R2/3 sl/2 - I. f./8~~ {, ;~76)fz A 1/13 -: 3.0126 A ~2/3 <br />n O.0~31 ' <br /> <br /> DEPTH (D) AREA (A) HYDRAULIC RADIUS (R) 0 <br /> /0 350 7.05 3873 <br /> IS ~7S 10;08 qtl8/ <br /> 18 ql8 11.87 /41357 <br />Use Depth (D) = 17.Q FT, AREA (A)= 909 FT2 <br />- 212. L a.lq <br />V = A = IS FT/SEC, Travel Time (Th) = 3600V = HRS <br /> <br />Number of routing steps (Nr) = 12 Th/Tp = <br /> <br />2.0Z <br /> <br />(USE Z) <br /> <br />I ROUTING I Cl I C2 <br />I CONSTANTS I I <br />1 I 1 <br />I VALUE 1.251.5 <br /> <br />I C3 I C4 <br />I I <br />I I <br />1.2$'1 <br /> <br />C5 <br /> <br />C6 <br /> <br />C7 <br /> <br />C8 <br /> <br />C9 <br /> <br />CLO <br /> <br />Cll <br /> <br />C12 <br /> <br />C13 <br /> <br />C14 <br /> <br />I I I I I I I I <br />IQpj. CFS 21 I 22 I Q3 I 24 I 25 I 26 I Q7 I <br />I 141P/3 Iztiph 1 IX;> 12dtP/.g ,(:;/pI3 I I <br />I VALUE I 0 ,<'S76Iq/SZV372BI4!/SZI4<S761 0 I <br />2ri = MAXIMUM z.Qpj Ci = ~2SYf/S76).,L(.sXI3728)r-(.25)(9ISZ) <br /> <br />Qri = 11q'(jO <br /> <br />(CFS) <br /> <br />Dri = <br /> <br />/7.3 <br /> <br />FT <br /> <br />16 <br />