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DR9001-SY 860326POWELL & POWELL ENGINEERS & CONSULTANTS 3988 N. Central £xpwy. Suite 1130 DALLAS, TEXAS 75204 (214) 522-4660 TO~-/~L *~.-E:t' 0'0o'7- 99.2. 9q. 2. "~ 9q. 4- O,OO "r Clq. ~, oF 3 DATE C,.oo >. La t~D e'~ ~ o. oc, '7 B-Lq- ~. ~'l. 4- '7 o. oo 7 B'-/.-t- SF--q -' o. 4~, 2F -q -- O. 5~:- Iz- o, 4~ 1-'c - ~ O.e,o POWELL & POWELL ENGINEERS & CONSULTANTS 3988 N. Central Expwy. Suite 1130 DALLAS, TEXAS 75204 (214) 522-4660 SHEET NO ~ DATE > Zo.~ 2~.~ T-d~TAL. 0.0 7~8,z 28.?_ -> 2.8.0 o.O ?-'1.8 2_F-q - 0.~0 ~'-I, 4-- ? 3'7.3 o.oo 7 '~-'/. 'Z. = q4ac-. S~-tz - o.4¢ T-C. - o. 8,0 POWELL & POWELL ENGINEERS & CONSULTANTS 3988 N. Central Expwy. Suite ! 130 DALLAS, TEXAS 75204 (214) 522-4660 CHECKED BY SCALE DATE "C." I~.~, 0 .o~ t~.14 POWELL & POWELL ENGINEERS & CONSULTANTS 3988 N. Central Expwy. Suite 1130 DALLAS, TEXAS 75204 (214) 522-4660 JO8 SCALE L -- '2-'3~~ ~ r:,. ur_..,,. =- ~17..- 4~(~ = 51 Z7 o,Ol45=- ® · 900 - 800 · 700 600 ~50 -,,. 90 · 80 . 60 · 50 . 40 ~ R~CXE~ 20,.0 · 3O , ZO EX A,M-PL. E: OVEELAN[~ FE.OW GU,TTER FLOW L: ZG~)' L -' 400' ~- = 0.4~G,(AV. GRASS) n = 0.0175 s = LO% · = I-O°/o f = 2g ~lflN. f = 2.0 I~.]N. TOTA, L TIME OF <~ONCENTRATION : 20.O'k Z.O = 22.¢1 MIN. TIME OF CONCENTRATION FOR .SURFACE ·' FLOW ' FIGURE -22- JSP3 .C,~T? OF D~A.S 3$5~-CONNELL-SK%G~S: EX. SECTION 2750 ................... DISTANCES'-~ ................. DOWNSTREAM UPSTREAM £HA~NEL VALLEY CHANNEL VALLEY 1. 1. 1. 1. RUN DATE- 7 APR 85 PAGE I STATZON=~TSO DRAINAGL 'N' VALUE BY SEGMENTS AREA,SQ MI NO. I NO- 2 NO. 3 NO. 4 NO. 5 NO. 6 1.00 0.060 0.035 0.050 CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VELOCIrY ELEV. 527.00 57.S9 178.60 527.00 14.39 4~8.80 527.00 6.$0 47~-00 527.00 3.74 ~79.20 WSP3 CITY OF DALLAS 3$5~-CONNELL-SK~G~S: EX. SWALE W/ EXIST. RUNOFf: CRIT DEPTH RUN DATE- 7 APR 85 PAGE 2 ................... DISTANCES--~ ................. STATION=2751 DOWNSTREAM ~pSTREAM DRAT~A~F ~N~ V~IIIF RY ~FG~PNT~ ~ECTION CAANNEL VALLEY CHANNEL VALLEY AREA,S~ MI NO. 1 NO. 2 NO. 3 NO. 4 2751 1. 1' 249. 249. 1.00 _ 0.060 0.035 O-Q5~ CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VEIO~TTY FI~V. 527.00 57.59 178.60 527.0D 14.40 478.80 527.00 6.~0 527.00 3.74 ~79.20 NO. 5 NO. 6 _ &SP3 CITY DF DALLAS 335~-COINELL-SK~G~S: EX. ~WALE W/ EXIST. RUNOFF: ................... g[STANCES .................... DOWNSTREAM UPSTREAM SECTION CHA~NEL VALLEY CHANNEL VALLEY 3~00 Z49. 74~. 250. 25g. ELEVATIONS ARE OVER EHI CRIT DEPTH RUN DATE- 7 ApR g~ ~TATT~N=~ DRAINAGE 'N' VALUE BY SEGMENTS AREA,S~ MI NO. I N~- 2 NO. 3 NO. 4 1.00 0.050 0.035 0.050 P~;F ~ N~_ S Nh- A ~ISP3 CITY OF DALLAS 3354-CO~NELL-SK%GGS: EX. SWALE W/ EXIST. RUNO,FF: CRIT DEPTH RUN DATE-lO APR 85 PAGE I ................... DTSTANCE$--~ ................. STATION=2750 DO#NSTREAM UPSTREAM DRAINAGE 'N' VALUE BY SEGMENTS SECTION CHA~NEL VALLEy CHANNEL VALLEY AREA,SQ MI NO. I NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 2750 1. 1. 1. 1. 1.00 0.060 0.035 0.050 CFS ~ELOCITY ELEV. CFS VELOCITY CFS VELOCITY ELEV. ~27.D0 3.74 4 $ ~79~7~0 5~7.0g 2.51 ~ 527.00 1.39 ~27.30 1.46 ~79.80 ~SP3 CITY OF DAL_AS 3354-CON~£LL-SK~G~S: EX. ~WALE W/ EXIST. RUNOEF: CRIT DEPTH RUN DATE-~O APR 8S PAGE 2 ................... DIS~A~C~S--~ ................. STATI~N=2~51 DOWNSTrEaM UPSTREAM DRAINAGE 'N' V~LUE ~Y SEGMEN~ CHA~NEL VALLEY CHANNEL VALLEY AREA,SQ MI NO. I NO. 2 NO. 3 NO. 4 NO. 5 ~0. 1. 1. 249. 249. 1.00 0.060 0.035 0.050 ~ECTION 2751 CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VELOCITY ELEV, ~27.00 3.74 ~79.20 527.00 2.51 479.~4~ 527.00 1.~9 479.60 527.D0 1.46 ~79~-~-- ~ ~ ~SP3 CITY OF DRLLAS 3354-CO,NELL-SKaGgS: EX. SWALE W/ EXIST. RUNOFF: CRIT DEPTH RUN DATE-lO APR 85 PAGE ................... DISTANCES .................... STATION=3]O0 DOWNSTREAM UPSTREAM DRAINAGE ~N~ VALUE ~Y SEGMENTS ~ECTION C~A~NEL VALLEY CHANNEL VALLEY AREA,SQ MI NO. I NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 3~0~ 249. 24~. 250. 250. 1.00 0.060 0.035 0.~50 CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VELOCITY ELEV. ~27.~0 3.11 ;87.55 527.00 1.39 452.47 527.00 2.37 481.90 527.30 ~.57 181.82 ~ CSM NO. I OVER NEXT £SM. £SM NO. 2 OVER NEXT CGM. CSM NO. 3 OVER NEXT CGM. PAGE ~SP3 .CITY OF DALLAS 335~-CONNELL-SK%G~S: EX. SWALE WI EXIST. RUNOFF: £RIT DEPTH RUN DATE-JO APR 85 ................... DISTANCES--M ................. STATZDN=3Z50 DOWNSTREAM UPSTREAM DRAINAGE "N' VALUE BY ~E~MENTS SECTION CHANNEL VALLEY CHANNEL VALLEY AREA,SO MI NO. I NO. 2 NO. 3 NO. 3250 250. 250. 370, ~70. 1.00 0.060 0.035 CFS VELOCITY ELEV. CFS VELO£[TY ELEV. CFS VFIOCTTy FI FV. 527.00 ].20 '.~._7.55 527.00 2.69 484.41 527.00 2.54 48~,48 527.20 2.14 ~84.54 ~ NO. 5 NO. 6 CSM NO. I OVER NEXT CSM. ~SP3 CITY OF DALLAS 335~-CO~NELL-SK~GGS: EX. SWALE W/ EXIST- RUNOFF: CR~T DEPTH RUN DATE-lO APR 86 ................... DISTANC~S--~ ................. STAT~ON=3S20 DOWNST~EA~ UPSTRSAM DRAINAGE ~Ns VALUE BY SEGMENTS ~ECTION C~A~NEL VALLEY CHANNEL VALLEY AREA,SO MI NO. I NO. 2 NO. 3 NO. 4 3520 ~70. 37~. 1. 1. 1.00 0.060 0.035 0.050 PASE 5 NO. S NO. 6 CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VELOCITY ELEV. ~12.20 ].~1 ~87.68 312.00 1.12 4~7.3~ ~12.00 1.~5 312.00 1.55 ~87.06 CSM NO. I OVER NEXT CSM. CSM NC. 2 OVER NEXT CSM. CSM NO. 3 OVER NEXT CSM. ~SP3 SECTION 275'3 CITY OF DALLAS 335 ~-CONNELL-SK%G ~GS: EXIST. SWALE ~TATION=2750 DOWNSTREAM UPSFREAM DRAINASE 'N' VALUE BY SEGMENTS CHA~NEL VALLEY CHANNEL VALLEY AREA,SQ MI NO. I NO. 2 NO. 3 NO. 4 1. 1. 1. 1. 1.30 0.050 0.035 0.050 ................... D[STANCES'-~ .................. DATE- ~ A F t_L- '"V Sl ELEV. CFS VELOCITY ELEV. CFS VELOCITY ELEV. ND. S NO- 6 CFS IELOCITY ~29.20 101 .51 ~7~.60 929.00 25.37 ~?~. 8~ 92~. 00 11 .~7 477.00 729.~0 $.50 ~79.20 WSP3 CITY 3F DALLAS 3S5~-CO~NELL-SK[GGS: EXIST. SWALE W/ ULT. RUNOFF: CRIT DEPT RUN DATE- 7 APR 85 PA~E 2 ................... DISTANCES--~ ................. STATIDN=2751 DOWNSTREAM IIPSTREAM O~AT~A~F .~ VAIIIF RY ~FqMFNTR CHA~NEL VALLEY CHANNEL VALLEY AREA,SQ ~I NO. I NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 1- 1, ~49. ~ECTION 2751 CFS VELOCITY ELEV. ?29.30 101 .51 ~7B.60 229.30 5.$0 ~79-70 24~. 1,30 0.060 0.035 O~OSO £FS VELOCTTY - ELEV. £FS VELOCT[Y FI FV- 929.03 25.38 478.80 92~.00 11.~7 47?.00 &SP3 CITY OF DALLAS ~35~-COqN~LL-SK~GGS: EXIST. SWALE W/ ULT. RUNOFF: ................... DISTANCES .................... DOWNSTREAM UPSTREAM SECTION CHA~N~L VALLEY CHANNEL VALLEY 3~00 249. ~49. 250. 250. &LL ELEVATIONS ARE OVER £RIT DEPT ,'~LLL~&TE-~ APR 85 ST~TTSN=~3~Q DRAINAGE ~N~ VALUE BY SEGMENTS AREA,SO ~I NO. I NO. 2 J~O. 3 NO. 4 1.~0 0.060 0.035 0.050 P~SF 3 NO- 5 NO. 6 ~sP] SE~ CITY OF DALLAS ................... DISTA ~C ES'-"" ................. DOWNSTREAM CHA~NEL VALLEy CHANNEL VALLEY AREA,SQ MI NO. 1 NO. 2 NO. 3 1. 1. 1. 1. 1.00 0.060 0.035 0.050 PAGE I NO- 4 NO. 5 NO. 6 335~-CONNELL-SKtGGS: EXIST. SWALE ~, ; ~ ,~ ......... i;7 /~ TM ':~ : :~i. = ~-~', -~" E- 7 APR 86 STATION=2750 UPSTREAM DR,IMAGE eNg VALUE BY SEGMENTS CFS VELOCITY ELEV. CFS VELOCITY ELEV. CFS VELOCITY ELEV. 929.30 ~.~3 ~79.40 929.00 ~.33 479.60 ~ 929.00 2.57 ~77.80 ~29.]0 2.D9 4SP3 CITY OF DAL,AS 3354-COqNELL-SKaG:SS: EXIST. SWALE W/ ULTIMATE RUNOFF RUN DATE- 7 APR 8~ PAGE 2 SECTION __ 2751 ................... D[STANCES--H ................. ~OdNSTREAM [)p~[REAM CHA~NEL VALLEY CHANNEL VALLEY 1, 1, 249. 249. STATION=2?51 DRATflAGF gN" VAIIIF flY ~FRMFNT~ AREA,SQ MI NO. I NO. 2 NO. 3 NO. 4 1.00 O.O6O 0.035 0.0~0 £FS VELOCITY ~LEV. £FS VELOCITY ~29.00 ~.~3 ~79.40 929.00 3.33 ~29.00 2.]9 NO. 5 NO. 6 FLFV. CF.~ VEl B£TTY FI 479.60 --- 929.00 2.~7 477.80 CITY OF DALLAS 3S5~-CONNELL-SK~G'G~: EXIST. SWALE ~ECTION 3000 ................... DISTANCES .................... DOWNSTREAM UPSTREAM CHA~NEL VALLEY CHANNEL VALLEY ~4~. 249. 250. 250. W/ ULTIMATE RUqOFF RUN DATE- 7 APR R5 DRAINAGE 'N* VALUE BY AREA,Sa MI NO. I NO. 2 NO. 3 1.00 0.060 0.035 0.050 pA~F 3 SEGMENTS NO- 4 NO. 5 CFS VELOCITY ELEV. CFS 929.00 2.18 18~.09 9~9.00 729.00 2.90 ~82o~8 VELOCITY ELEV. CFS VELOCI£Y 1-1~ ~.3~ ~ 9Z~-~0 ELEV. CSM NO. I OVER NEXT CSM. CSM NO. 2 OVER NEXT CSM. CSM NO. 3 OVER NEXT CSM. IS~'J TITY OF DALLAS 335~-COMNELL-SKIGGS: EXIST. SWALE WI ULTIMATE RUNOFF RU~ATE' ? A~R 86 ................... DISTANCES--f- ................. DOWNSTREAM UPSTREAM DRAINAGE SECTIO~ CHANNEL VALLEY £1tANNEL VALLEY AREA,SQ MI NO. 1 ~250 ~50. ;~:~ O. ~70. 370. 1.00 0.060 STATION=3~50 e~ V~LUE ~Y RFG~FNT~ NO. 2 NO. 3 NO. 4 CFS VELOEITY EIEV. CFR ?29.00 3.29 ~88.09 929.00 ?29.00 2.60 ~8~.88 O~TTY ?1 FV_ ~FR VEl nrTrY Fi ~u_ 2.59 ~ 929.00 2.~9 48~.$1 NO. 5 NO. 6 OVER NEXT CRM. ~SP3 CITY OF DALLAS 335~-CONNELL-SK%GGS: EXIST. SWALE W/ ULTIMATE RUNOFF RUN DATE- 7 APR 85 PAGE 5 ................... DISTANCES--P ................. STATIDN=3520 DOWNSTREAM UPSTREAM DRAINAGE 'N' VALUE BY SEGMENTS SECTION C~A~NEL VALLEY CHANNEL VALLEy AREA,SQ MI ~0~ 1 NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 3620 ~70. ~70. 1. 1. 1.00 0.060 0.035 0.050 CFS dELOgITY ELEV. CFS VELOCITY ELEV. CFS VELOCIFY ELEV. $78.]0 1.14 ;88.26 6?8.00 1.8Z ~87.6~ 678.00 1.~2 487.64 57~.00 2.35 ;8!7.53 CSM NO. 1 OVER NEXT CSM. CSM NO. 3 OVER NEXT CSM.