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ST9304-CS 880722 (2)
TA~E 1 VALLEY STORAGE CALCULATIONS ia) BELT LINE ROAD RECLAMATION PROJECT t NORT~TED GROUP RIVER ] DESCRIPTION ~ VALLEY STORAGE (A~E-FEET) STATION : : ................................................... I [ tOO-YEAR FLOOD I STANDARD PROJECT FLOOD ~ : EXISTING PROPOSED I EXISTING PROPOSED 80970 1 TO )START OF PROJECT TO START OF SPLIT FLOW MODELS 86560 l 86560 ~ TO lEAST SPLIT 86560 ~ TO IINTERMEDIATE RUN FOR EXISTING CONDITIONS 87300: I 86560~ TO )INTERHEDIATE RUN FOR PROPOSED CONDITIONS 87000 1 87300 1 TO :NAIN CHANNEL FOR EXISTING CONDITIONS 89050 ) 87000 ) TO )MAIN CHANNEL FOR PROPOSED CONDITI0NS 89050 ~ 87300 i TO IWEST CHANNEL FOR EXISTING CONDITIONS B9050 ~ 87000 l TO :WEST CHANNEl. FOR PROPOSED CONDITIONS 89050 I 2762.0 ~ 3079.9 ~ 5138,7 : 5470.6 346.3 I 340.3 I 666.4 : 665. 421.7 I : 733,B l ~ 157.0 ~ ) 279.9 341.6 ) I 593.2 ) 435.2 : ~ ,7,.6 ~ ~ ) 140.5 ~ ) 422.5 ~ 167.5 ~ ~ 451,7 ITOTAL VALLEY STORAGE ~PERCENTAGE OF INCREASED STORAGE FOR PROPOSED C~DITI~ IINCREA~ IN C.Y. (a) STORAGE VOLUMES ARE FROM SPLIT FL~ HYDRAULIC MODELS. Date 22-Jul-OB HO3 Albert H. Nalff Associates, Inc. FILE:NORT TABLE 2 ELH FORK OF THE TRINITY RIVER HYDRAULIC NODELS SPLIT FLOW ANALYSIS FOR BELT LINE ROAD RECLANATION PROJECT / NORTHSTED BEV. 0=44,650 CFS (a) EFFECTIVE F.I.S. )REVISED BASE LINE - COMPOSITE PROFILES IPROPOSED CONDITIONS - COMPOSITE PR~ILEI LOCATION SECTION MODELS NUMBER NATURAL FLOODWAY NATURAL CHANGE FLOODWAY CHANGE NATURAL CHANGE FLOODWAY CHANGE PROFILE PROFILE PROFILE (1) (2} (3) (3-1) (4) (4-2) (5) (5-3) (G) (6-4) )START OF EAST SPLIT ISTART OF WEST SPLIT ID.S. FACE BELT LINE RD (b) (b) )U.S. FACE BELT LINE RD (b) :D.S. FACE StL, SW. R.R, :U.S. FACE StL. SW, R.R. IEND SPLIT FLOW MODEL 7562O 77490 80970 80971 83400 84750 85000 B£5£0 87000 87!70 87300 87530 87800 87849 87850 87900 87930 87940 87941 8796~ 88000 88030 88050 88150 89050 438.20 438.23 438.36 438.39 438.76 438.79 439.13 439.15 439.30 439.32 439.35 439.37 439,56 439.58 439,62 439m64 439.70 43%72 439.68 439.70 439.91 439,93 442.15 442.16 442.20 442.21 442.49 442.50 443.20 443,22 438.20 0.00 438.23 0.00 438.36 0,00 438.39 0,00 438.76 0.00 438.79 0,00 438.76 438.79 439.13 0.00 439.15 0.00 439.30 0.00 439.32 0.00 439.35 0.00 439.37 0.00 439.62 0.06 439.64 459.6I 439.63 439.59 439.61 439.60 439.62 429.93 0.31 439.95 0.31 440.18 0.48 440,21 0.49 440,37 440.37 440,36 440,37 440.69 1.01 440.70 0.01 440.89 0.98 440.90 0.01 440.96 440,97 440.98 440,99 441.07 -0.83 441.08 -0.83 44!.25 -0.90 441.26 -0,90 441,32 -O,BB 441.32 -0.89 441.36 -0,87 441.36 -0.88 441.56 -0.93 441.56 -0.94 442.20 -I.00 442.19 -1.03 438.20 0.00 438.23 0.00 438.36 0.00 438.39 0.00 438.76 0.00 438.79 0.00 438.B0 0.04 438.82 0.03 439,03 -0,10 439.05 -0. I0 439.15 -0.!5 439.18 -0.14 439.18 -0.17 439.20 -0.17 439.36 -0.26 439.38 - -0.26 439,36 -0.25 439.37 -0.26 439.47 -0,12 439.49 -0.12 439.45 -0.15 439.47 -0.15 439,83 -O.!O 439,85 -0.I0 440.10 -0.08 440.12 -0.09 440.14 -0.23 440.16 -0.21 440.13 -0.23 440.15 -0.22 440,37 -0.32 440.39 -0.3! 440.52 -0.37 440.54 -0.36 440.57 -0.39 440.59 -0.38 440,60 -0,38 440,63 -0,36 440.71 -0.36 440.74 -0.34 440.94 -0.3I 440.97 -0.29 441,03 -0.29 441.05 -0.27 441.08 -,,. ~c 441.I0 -0,26 441.43 -~',,.,, '~ 441.41 w.,,~ '~ 442. I0 -0.10 442.10 -0.09 (a) FROM FEMA F.I.S. MODEL "B2OELMFB"; IO0-YEAR FLOOD FOR EXISTING WATERSHED CONDITIONS. (b) SECTIONS ELIMINATED FROM BASE LINE & PROPOSED CONDITIONS MODELS. WSEL'S INTERPOLATED. Date 07-JuI-BB Albert H. Halff Associates, Inc. TABLE 3 ELN F~K ~ ~ TRINITY RIVER HYDRAULIC I'K]DELS SPLIT FLOW ANALYSIS FOR BELT LINE ROAD RECLAMATION PRDSECT / NORTHSTED DEV. Q=54,800 CF8 (a) ~ BASE LINE CONDITIONS I RECLAMATION ALTERNATE NO. 3 ; CHAN6E IN BACKWATER PROFILE LOCATION : SECTION I : I NUMBER : ~ : WEST MAIN EAST I WEST MAIN EAST : WEST MAIN EAST ............................................................. ! ....................................................... :START OF EAST SPLIT :START OF WEST SPLIT D.S. FACE BELT ~.,NE RD ',U.S. FACE BELT ~,NE RD 77490 80970 80971 83400 84750 85000 86560 87000 87170 87300 87530 87900 87849 97850 87940 87941 88000 88030 88050 88150 89050 D.S. FACE StL. SW, R.R, IU.S, FACE StL. SW. R.R. :END SPLIT FLOW MOOEL 438.67 438,67 438,67 : 438,67 438,67 438,67 : 0,00 0,00 0,00 438,83 438,83 438,83 : 438.83 438.83' 438,83 I 0,00 0.00 0,00 439,22 439.22 439,22 : 439,22 439,22 439,22 : 0,00 0.00 0,00 439.22 439,22 439,22 : 439.25 439.25 439.25 : 0.03 0,03 0.03 439.57 439.57 439.57 : 439.48 439.48 439.48 : -0.09 -0.09 -0.09 439.74 439.74 439.74 : 439.60 439.60 439.60 I -0,14 -0.14 -0.14 439,78 439.78 439.78 : 439.62 439.62 439,62 I -0,16 -0,16 -0,16 439,95 439.95 440.04 : 439.75 439,76 439,78 : -0.20 -0,19 -0,26 440.06 440,06 : 439,78 439,80 : -0.28 -0,~ 440,04 : 439,96 : -0,08 440,04 439,37 : 439.92 439,32 : -0,05 · ' ' ~.~0 -0.05 -0,24 440.29 440.48 440.19 , 440.09 440.43 439.95 , -n ~ 440.40 440,79 440,46 ~ 440,24 440,73 440,2G : -0.16 -0.06 -0,20 441,01 440.84 440.46 I 440,20 440,78 440.26 ~ -O,B1 -0,06 -0,20 441,01 440.82 440,45 I 440,19 440.76 440,25 : -0,82 -0,06 -0,20 441.79 441,12 441,10 I 44!.43 441.05 441.08 : -0,36 -0,07 -0,02 441,83 441,17 441,26 I 441,48 441,10 441,13 : -0,35 -0.07 -0,13 442.18 441,24 441,83 I 441,92 441,17 441,72 : -0,26 -0,07 -0,11 442.26 441.30 441,94 ) 442.02 441.23 441,84 : -0,24 -0.07 -0. i0 442.30 441.35 441.99 : 442.07 441.28 441.89 : -0.23 -0.07 -0.10 442.53 441.95 442.47 I 442.35 441.86 442.38 : -0.18 -0.09 -0.09 443.14 443,10 443.13 I 443.05 443.00 443,07 : -0.09 -0.10 -0,06 89050 89050 :PROPORTIONAL DISCHARGE IPERCENT OF OISCHARGE IBALANCED EGL 10700 30900 13200 : 11200 30400 13200 : 500.00 -500.00 0.00 [ i9.5% 56.4% 24.1%1 20.4Z 55.5% 24.1%: 0.9% -0.9! 0.0%i 443.17 443.18 443.15 : 443.10 443.08 443.08 I -0.07 -0.10 -0.07 : (a) FROM C.O,E, R,E,I,S. MODEL 'ELM8GA'; tOO-YEAR DISCHARGE FOR FUTURE CONDITIONS WITHOUT ADnlTIONAL DEVELOPMENT IN THE FLOO0 PLAIN. Date 07-Jul-B8 Albert H. Halff Associates, Inc. TABLE 4 ELN FORK OF THE TRINITY RIVER HYORAUI. IO 80~LS SPLIT FLOW ANALYSIS FOR BELT LINE ROAO RECLAMATION PR13JECT / NORTHSTEO OW, ~:106,000 CFS (a) : : BABE LINE CONDITIONS LOCATION : SECTION l : NUMBER : I ) WEST HAIN EAST I I 75620 I 444,79 444.79 444.79 I I 77490 I 444.92 444.92 444.92 I I 80970 I 445.21 445.21 445.21 ~ ~ 80971 I 445.21 445.21 445.21 ; ; 83400 i 445.49 445.49 445.49 I I 84750 ~ 445.62 445.62 445.62 I ~ 85000 ; 445.67 445.67 445.67 ISTART OF EAST SPLIT I 86560 I 445.77 445.77 445.80 ISTART OF WEST SPLIT I 87000 I 445.86 445.86 I I 87170 I 445.85 I I 87300 I 445.87 445.56 I ; 87530 ~ 445.95 445.92 445.88 I i 87800 I 445.98 446.07 446,00 I I 87849 ; 445.89 446.03 445.90 IO.S. FACE BELT LINE RD : 97850 ; 445.53 445.91 445.77 IU.S. FACE BELT LINE RD ) 87940 ; 448.62 446.85 447.50 ~ I 87941 I 449.11 447,31 448.12 I I 88000 ; 449.28 447.42 448.50 ID.S, FACE StL. SW. R.R,I 88030 I 449.29 447.41 448.53 IU.S. FACE StL. SW. R.R.: 88050 ; 449.31 447.55 448.65 ~ ; 88150 I 449,42 449.80 449.38 IEND SPLIT FLOW MODEL ; 89050 ~ 449.70 449.72 449.74 RECLAHATIDN ALTERNATE NO. 3 I CHANGE IN BACKWATER PROFILE l I WEST MAIN EAST I WEST MAIN EAST 444.70 444.79 444.79 I 0.00 0,00 444,92 444.92 444.92 ~ 0.00 0.00 445.21 445,21 445.21 ; 0,00 0.00 445.23 445.23 445.23 I 0.02 0.02 445.44 445.44 445.44 I -0.05 -0.05 445,55 445,55 445.55 ~ -0.07 -0,07 445.58 445.58 445,58 I -0.09 -0,09 445.66 445.66 445.67 ~ -0.11 -0.II 445,65 445.68 I -0.21 -0.!8 445.85 I 0.00 445.79 445.55 I -0.01 445.87 445.97 445.76 I -0.08 i~ '~ 445.99 446.11 445.89 I 0.01 0.04 446.21 446.07 445.77 ~ 0.32 0.04 445.86 445.96 445,65 I 0,33 0.05 448.72 446.89 447.45 I 0.10 0.04 449.18 447.36 448.09 I 0.07 0.05 449,34 447.46 448.49 I 0.06 0,04 449.34 447.44 448.52 I 0.06 0.03 449.37 447.60 448,64 I 0.06 0,04 449.58 448.83 449,40 I 0.15 0.03 449.74 449.75 449.78 I 0.04 0,03 0.00 0.00 0.00 0.02 -0.05 -0.07 -0.09 -0.13 -0. I1 -0,!3 -0.12 -0.05 -0.03 -0.0I -0.01 -0,0'. 0.02 0.04 iPROPORTIONAL DISCHARGE I 89050 I 29000 51100 25900 I 28600 51000 26400 I -400,00 -I00.00 500.00 ) IPERCENT OF DISCHARGE I 89050 ) 27.4% 48.2% 24.4~l 27.0% 48.11 24.9~I -0.4% -O.1l 0.5%1 IBALANCED EGL I 89050 I 449.75 449.77 449.76 I 449.8 449.B 449.79 I 0.05 0.03 0.03 I (a) FROM C.O.E.R.E.I.S. )~(]BEL "ELMBGA"; STANDARD PROJECT FLOOD FOR FUTURE CONDITIONS WITHOUT ADDT'L DEV. IN THE FLOOD PLAIN. Cate 07-Jul-B8 Albert H. Halff Associates, Inc. EI.W FD~ OF THE TRINrrY RIVER HYORAllLIC HODEL$ I FLOODWAY PROFILES SPLIT FLOW ANALYSIS F~ {)ELT LINE ROAD RECLABATIOll PROJECT / NORTHSTED DEV, Q=44~650 ~S LOCATION I SECTION I NUNBER REVISED BASE LINE CONDITIONS CONPOSITEI WEST RAIN EAST PROFILE RECLAHATION ALTERNATE NO. 3 COHPOSITEI WEST HAIN EAST PROFILE I I 75620 I I 77490 : I 80970 I I 80971 ] ~ 83400 I ~ 84750 : I 85000 :START OF EAST SPLIT : 86560 :START OF WEST SPLIT : 87000 I : 87170 : : 87300 : : 87530 : : B7BO0 : : 87849 ID.S. FACE BELT LINE RD I 87850 {U,S, FACE BELT LINE RD I 87940 : ~ 87941 : ~ 98000 ~D.S. FACE S~L. SW. R.R.: 88030 )U.S. FACE StL. SW. R.R.) 88050 : : BBI50 IEND SPLIT FLOW MODEL ~ 89050 438.23 438.23 438.23 438.23 : 438.23 438.23 438.23 438.23 438.39 438,39 438.39 438.39 : 438.39 438.39 438.39 438.31 438.79 438.79 438.79 438.79 I 438.79 438.79 438.79 438.79 438,79 438,79 438.79 438.79 : 438.82 438.82 438.92 438.82 439.15 439.!5 439,15 439.15 I 439.05 439.05 439.05 439.05 439.32 439.32 439.32 439.32 I 439,18 439.18 439.18 439.18 439,37 439,37 439.37 439.37 ~ 439,20 439,20 439.20 439,20 439,55 439.55 439.64 439.64 I 439,33 439.34 439.38 439.38 439,63 439.63 439.63 : 439,37 439.37 439.37 439.6i 439.6i : 439.49 439.49 439,62 439.10 439.62 ~ 439.47 438.98 439.47 439.82 439,95 439,75 439.95 : 439.58 439.85 439.50 439.85 439,92 440,2i 439.96 440,21 I 439,63 440.12 439.74 440.i2 440.37 440.25 439.96 440,37 I 439,66 440. i6 439,75 440.16 440,37 440.24 439.96 440.37 ~ 439,66 440.15 439,75 440,15 440,97 440.47 440,52 440.97 I 440.59 440,38 440.36 440.59 440,99 440.51 440,55 440,99 I 440,63 440,42 440.39 440,63 441.26 440.57 440,99 441.26 I 440,97 440.48 440,86 440,97 441.32 440.62 441.09 441.32 : 441.05 440.53 440.97 441.05 441.36 440.66 441.13 441,36 i 44i,i0 440.57 441,0i 441.10 44i,56 44i,il 44i,52 441.56 I 441,35 441,01 44i.41 441.4i 442.17 442.14 442,19 442,19 I 442.08 442.05 442,10 442.10 iPROPORTIONAL DISCHARGE : 89050 ~ BO00 26350 10300 44650.00 : 8400 26100 10300 44800.00 :PERCENT OF DISCHARGE : 89050 I 17.9% 59,02 23.12 iO0.OZI 19.92 5B.5Z 23.|Z IO0.3Z~ {BALANCED ECL { 89050 I 442.20 442.22 442.20 442.22 { 442.11 442.13 442.i2 442.13 (mN FRO8 FENA F,I,S, NODEL "B20ELBFB"; IO0-YEAR FLOOD FOR EXISTING WATERSHED CONDITIONS, Date 07-Jui-88 Albert H. Halff Associates, Inc. ELM FORK OF THE TRINITY RIVER HY~AULIC MODELS I NATURAL PROFILE9 SPLIT FLOW ANALYSIS FOR BELT LINE ROAD RECLAMATION PROJECT / NORTHSTED OEV, g=44~650 CF$ (aN LOCATION SECTION NUMBER REVISED BASE LINE CONDITIONS CONPOSITEI WEST HAIN EAST PROFILE RECLANATION ALTERNATE NO. 3 CO~OSITEI WEST HAIN EAST PROFILE 75620 I 438.20 438.20 438.20 438.20 77490 ) 438.36 438.36 438.36 438.36 80970 I 438.76 438.76 438.76 438.76 80971 I 438.76 438.76 438.76 438.76 83400 I 439,13 439.13 439,13 439.13 84750 ~ 439,30 439,30 439,30 439.30 85000 { 439,35 439.35 439.35 439,35 86560 ~ 439.53 439.53 439.62 439,62 87000 I 439.6i 439.6i 439,61 87i70 I 439.59 439.59 87300 ~ 439.60 439,08 439,60 87530 I 439.81 439.93 439.74 439,93 87800 I 439.90 440.I8 439.95 440.18 87849 ~ 440.37 440.23 439.96 440.37 87850 : 440.36 440.22 439.95 440.36 87940 I 440.96 440.45 440.53 440.96 87941 ; 440.98 440.48 440.56 440.98 88000 I 441.25 440.54 441,02 441.25 88030 i 44i.32 440,60 441,i2 441,32 88050 : 441.36 440,64 441.16 441.36 88150 I 441.56 441.08 441.55 441.56 89050 { 442.16 442.11 442.2 442.20 I iSTART OF EAST SPLIT ISTART OF WEST SPLIT I ID.S. FACE BELT LINE RD iU.S. FACE BELT LINE RD 18.S. FACE StL. SW. R.R. )U.S. FACE StL. SW. R.R. IEND SPLIT FLOW MODEL 438,20 438.20 438,20 438,20 438.36 438.36 438,36 438,36 438.76 438.76 438,76 438.76 438.B0 438.80 438.80 438,B0 439,03 439,03 439.03 439,03 439.15 439,15 439,15 439,15 439. I8 439,18 439.18 439, i8 439,31 439.32 439.36 439.36 439.35 439.36 439.36 439.47 439.47 439.45 438.96 439.45 439.56 439,83 439.48 439.83 439.66 440,10 439.73 440.10 439,64 440. i4 439.74 440, i4 439.64 440.i3 439.74 440,13 440.57 440.36 440.36 440.57 440,60 440.40 440,40 440.60 440,94 440.46 440.88 440.94 441.03 440.51 440.98 441.03 441.08 440.55 441.02 441.08 441,33 440,99 441.43 441,43 442.06 442.03 442.10 442.10 :PROPORTIONAL DISCHARGE i 89050 I 8000 26200 10450 44650 : 8350 26050 10400 44800 IPERCENT OF DISCHARGE I 89050 I 17.9Z 58.7Z 23.4% 100.0%1 18.7% 58.3Z 23.3Z 100.3%1 IBALANCED EGL I 89050 I 442.19 442.19 442.21 442.21 I 442.09 442.11 442.11 442.11 (a) FROH FEHA F.I.S. MODEL "B20ELMFB"; IO0-YEAR FLOOD FOR EXISTING WATERSHED CONDITIONS, Date 07-Jul-BO Albert X. Xalff Associates, Inc.