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Home My WebLink AboutHydrology(Dec.27,1989) I I I I I I I I I I I I I I I I I ! I I Hydrology and Hydraulic Analysis TRACT MAP 24131 Prepared for: BEDFORD PROPERTIES Prepared by: ''3 9 '10 t.;' r~ CJ2B CJtbert CJ1eiJt. 'Wdliam "Rbst ~~iates ~ 28765 SINGLE OAK DRIVE. SUITE 250' TEMECULA, CALIFORNIA. (714) 676-8042 P 'LA N-- C I"'U~ C 'lo~TACT PERSON: JOHN KIRCHGASSNER HJ\W~~i"iS. '.. "'.'~';:;!r:.ER1::;CW r... I'.~SOC. i'I-~Jr.-~(Cle}fW/)E' ')-n~J . C' p'-{''t" 1 rqfll \ - ' .,.\~ ," PlPi~ ,:-~l.:...ll_~~~ t\:-....._ -~ lId' ~t I ~ ~~. <1 fi "."r JAil 05 1990 :~ DinE m:caVl.:D n DATE RETURNED 'fj -., - "1 t' - rWJEp.SIDE COUNTY ROAD & ~llql!EV DEPARTMENT December 27, 1989 IN 25641 p-.-! :'~7'/r'~/'{!:;."-Y~'l' _ -5 .L<<-Ic-~, b.t(~.IY1 -S-t::et:i.-,'"i Cv _~ ,:;t-- / Pi L r I' - , ~ u;'?} I ST'-J -. -'.: \ I I I I I I I I I I I I I I I I I I I 1. INTRODUCTION Robert Bein, William Frost & Asssociates has been retained by Bedford Properties to prepare onsite hydrology and hydraulic calculations for fifteen Tentative Tracts which comprise The Meadows Planned Residential Community. This report treats the local drainage design for one of these tracts, Tract 25131, and is a continuation of the report titled: "Master Plan Of Drainage For The Meadows at Rancho California", dated July 1989. The report "The Meadows Mainline Storm Drain, Meadows Parkway, Basis of Design" has been used as a starting point for the local storm drain laterals detailed in this report. 2. OBJECTIVES The objective of this report is to provide the design criteria and calculations for the local laterals serving Tract 24131, and discharging into the mainline stormdrain in Meadows Parkway and Montelegro Street. 3. CALCULATIONS The content of this report is as follows: Rational Method Hydrology for the local drainage areas within TM 24131 for the 100 year event and the 10 year event. The computer program used is the AES version based on the Riverside County Flood Control & Water Conservation District 1978 Hydrology Manual. The rainfall intensities used for these calculations are the increased intensities, and the runoff rates used for design of the laterals are therefore the higher rates. n~;l'lf;~liu\~.~rv. 1M JUN261!190 ~.. l~(el~WI:E~ ,]1 JHd 0 5 1990 Jj ~1!\lERS'DE COUNTY ROM DEPT. PI.J\,!,~I-._,.., f~IVERSIDE COUNTY ROAD 8. SI Iql!EV DEPARTMENT "t- I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-LINE I I V +-+-....-----------------.----------------------------.....---------------------...-------------------------+-+ II I II I II I II I I 1--------------------------------------------------------------------------------------------------------- 1 I I STUDY NAME: I CALCULATEO BY: I I I I CHECKED BY: I I I 100.0 YEAR STORM 1-HOUR RAINFALL(inehl= 1.40;INTENSITY SLOPE = .527 I PAGE NUMBER OF I I I---------------------[A 0 V AN CEO EN GIN E E R I N G SO F T WAR E]----------------------- I I ICONCENTRATIONISOILIDEV.I AREA I I I C I 0 I 0 I SLOPE I SECTION I V IPATHI T I Te I HYDRAULICS I I I POINT NUMBERITYPElTYPEI(ACRESllin/hl I(SUB)I TOTAL I ft/ft I Ifps.1 ft.lmin.1 min.! AND NOTES I I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1--------------- I I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1--------------- I 1 1-------------1----1----1-------1----1----1-----1 1.01501 I 1'0001'4.41-----IINlTlAL SUBAREA I I I I 100.001 4 1 5 I 1.912.971.8411 4.71------1-----1-------1----1----!----1 14.41---------------1 I I 1- --- ---------1-- --1----1-------1----1----1-----1------1-----1-------1--- -1--- -1----1-- ---1-- -- - ----------1 1 1 I 100.001 I I 1.912.971 I I 4.71 I I I I I 14.41 StreamSlmIlllryl I I 1----------- --1- ---1--- -1-------1----1----1-----1------1-----1---- ---1----1- ---1----1-----1- --------- -----I I 1 1-------------1----1----1-------1----1----1-----1 1.01411 I I 8S01'3.71-----IINlTlAL SUBAREA I I I I 100.001 4 I 5 I 4.513.051.8431 11.61------1-----!-------!----1----1----1 13.71---------------1 I I 1------- ---- --1----1--- -1---- ---1----1----1-- ---1---- --1-- ---1-- -- ---1----1----1--- -1-----1--- -- -------- - -I I 1 1 CONFLUENCE! TC#l= 14.4 TC#2= 13.7 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I I I I ANALYSIS I 0#1= 4.7 0#2= 11.6 0#3= .0 0#4= .0 0#5= .01 I I 1 CONFLUENCE I 1 I I FOR POINT# 1 1#1= 2.97 1#2= 3.05 1#3= .00 1#4= .00 1#5= .001 I I I 0= 16.1 I I 1 1 100.00101 = 16.0 02 = 16.1 03 = .0 04 = .0 oS = .01----1----1-----1---------------1 1 1 1-------------1---+--1-------1---+--1-----1-----+---1------+--1 I I I 1 1 I 1-------------1----1----1-------1----1----1-----1 16.11.02001 street I 4.31 30011.11-----I*oav9= 16.3efsl I 1140.ftSTREETI I I 1111 II I I / I /Dn=.49W=20.011 1 I flow to PUI I I 1 I I 1 1 1 I I I I ! x-tall= .017001 I I I 102.001 4 IS/ .212.931.8411 .51------1-----1-------!----1----1----1'4.81---------------1 I \ I 102.001 4 I 5 1 4.212.931.84'110.31------1-----1-------1----1----1----1'4.81---------------1 I 1 I 102.001 4 I 5 I 1.812.931.8411 4.41------1-----1-------1----1----1----1'4.81---------------1 I I 1-------------1----1----1-------1----/----1-----1 31.31.012510= 27."19.411601 .31-----ln=.0130 Dn= 1.81 I 1 I 104.001 4 I 5 I 5.612.901.8401 13.61------1-----1-------1----1----/----1 15.1/---------------1 1 I 1- - -- ---------1----1--- -1---- ---1- ---1----1---- -1------1-----1-------1--- -1-- - -1----1-----1-------- --- ----I I I-------------!----I----I-------I----I----I-----I 1.02541 I I 9451'2.71-----PNITlAL SUBAREA I II 106.001 4 I 5 I 3.013.181.8451 8.01------1-----1-------1----/----1----1'2.71---------------1 1 I-------------I----I----I-------!----I----I-----I 8.01.01.201 streetl 3.SI SOOI 2.61-----I*Oav9= 17.1efsl 1140.ftSTREETI I I I I I I I I I I I I IDn=.44W=17.21 IlflowtoPT.#1 I I I I I I I I I I 1 I IX-fall=.017001 I I 108.00/ 4 1 5 I 7.512.881.840118.11------\-----/-------1----1----1----1'5.31---------------1 I 1-------------1----1----1-------1----1----1-----1 26.21.00961 streetl 3.51 6751 3.31-----I*oav9= 30.5efsl 1140.ftSTREETI I I I I I I 1 I I \ I I IDn=.54W=20.01 1 1 flow to PT.#I 1 I I I I I I I I 1 1 I I X-fall= .017001 I I 110.001 4 I 5 I 4.012.S91.8341 8.71------1-----1-------1----1----/----1 18.61---------------1 I I 110.001 4 I 5 I 4.712.591.8341'0.21------1-----1-------1----1----1----1 18.61---------------1 II I I I I I I I I I I I I I I I I 1---------------------------------------------------------------------------------------------------------1 I *DEVELOPMENT TYPES:l=COM,2=APT,3=MH,4=CONDO,S=SF(1/4-AC),6=SF(1/2-AC) SOIL TYPES:l=A,2=B,3=C,4=D,* 1* 7=SF(1-ACl,8=UNDEV(POOR COVl,9=UNOEV(FAIR COV),10=UNDEV(GOOD COY) O,S=SPECIFIED COEFFICIENT* +-+---------------------------------------------------.....-.--------------.-.....----.----...---------.-.--+-+ :? I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-LINE I I V +-+----------------.--------------------------------------------------...---------------------.._----_.._---+-+ II I II I II I II I I 1-........----------------------.--.--.-....----.------------------------...-.....--.------------......... I I 1 STUDY NAME: I CALCULATED BY: I I 1 I CHECKED BY: I I I 100.0 YEAR STORM l-HOUR RAINFALL(inchl= 1.40;INTENSITY SLOPE = .527 I PAGE NUMBER OF I I I---,-------....-....-[A 0 V A N CEO EN GIN E E R I N G SO F T WAR El.........-------------- I I ICONCENTRATIONISOILIDEV.I AREA I I I C I Q I Q ISLOPEISECTIONI V IPATHI T I Tc I HYDRAULICS 1 I I POINT NUMBERITYPEITYPEI(ACRESllin/hl I(SUB)I TOTALlft/ftl Ifps.1 ft.lmin.1 min.1 AND NOTES I I 1-..-.--------1----1----1-------1---.1-...1--.--1------1-----1-----..1....1...-1----1-----1------......... I I 1-------------1--..1----1-------1----1----1-----1--...-1.----1-------1----1----1---.1-..--1.-------------- 1 I I 114.001 I I 19.212.591 I I 45.01 I I I I I 18.61 Stream SlJ1I1Iaryl I I 1----- ------.-1..--1- ---1--- - ---1-- --1----1-----1----..1-----1-------1----1----1---.1... "1- .-------- -- ---I I I 1-------------1----1----1-------1-.--1-.--1-----1 1.01501 I j1000114.41-----/INITIAL SUBAREA I I I I 112.001 4 I 5 I 1.912.971.8411 4.71------1-----1-------1...-1....1----114.41------.-.......1 I I 1------.------1----1----1-------1----1----1-----1 4.71.02601 street I 3.91 5001 2.01-----I*Qavg= 6.4cfsl I 1140.ftSTREETI I I I I I I I I I I I I IDn=.36W=12.711 1 I flow to pT.#1 I I III I I I I I I I IX-fall=.0170011 1 1 112.201 4 I 5 I 1.412.771.8381 3.31------1--...'.------1----1----'----116.41...------------1 I I I 112.201 4 I 5 I 4.512.771.8381 10.51------1-----1-------1----1----1----1 16.41......-.-------1 I I I-..----------I----I----I---...-!----!----I-----I 18.51.01911 street I 4.5j11501 4.71-....I*Qavg= 24.3cfsl I 1140.ftSTREETI I 1 I I I I 1 I I I I I IDn=.46W=18.311 IlflowtoPT.#1 I I I I I I 1 I I I I 1 IX-foIl =.017001 1 1 1 114.00\ 4 I 5 I 5.812.431.830111.71------1----.1---.---1----1----1----1 21.11---.....-------1 I II 114.001 4 I 5 I 2.512.43/.8301 5.01------1-----1-------1----1----1----121.11-....----------11 I 1---........--1....1--.-1-------1----1....1--.--1------1-----1....---1---.1-.--1----1-----1----.....--....1 I I I CONFLUENCE I TC#1= 18.6 TC#2= 21.1 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I I I I ANALYSIS I Q#1= 45.0 Q#2= 35.2 Q#3= .0 Q#4= .0 Q#5= .01 I I I CONFLUENCE I 1 I I FOR POINT# 1 1#1= 2.59 1#2= 2.43 1#3= .00 1#4= .00 1#5= .001 I I I Q= 77.3 I I I I 110.001 Ql = 76.0 Q2 = 77.3 Q3 = .0 Q4 = .0 Q5 = .01....1----1-----1-----.--.......1 I I I-------------I----!----!----..-I----I----I....-!------I-----I-------I-...I I I I I I 1 1-----------..1....1..--1-------1----1----1-----1 77.31.086110= 27."124.511801 .11-----ln=.0130 Dn= 1.71 I I 1---..----.---1----1-- --1-- - -- "1-- --1-- --1-- - "1-- - ---1-----1-------1--- -1----1----1.....1- --- -----------1 I I 1 116.001 I I 35.312.421 I I 77.31 I I I I I 21.31 Stream SlJ1I1Iaryl 1 I 1------.......1----1----\-------1----1----1-----1------1-----1---....1....1....1--.-1-----1---............1 I I 1 I I 1 I I I I 794.41 I I I I I I Assuned Data I I I I 47.001 \ I 379.1\ I I 1--..--1..---1-------1----1----1----128.11..--.----------1 I I I-------------I----I----!-------I----I----I-----I 794.41.003810=114."113.61 5201 .61-----ln=.0130 Dn= 7.31 I I 1-----... --.. '1" ../.. ..1-------1--..1-- --1-- -- -1-- - -- -1-- '--1---"--1-- --1-- --1----1-----1...... .... -. ---I I I I CONFLUENCE I TC#1= 21.3 TC#2= 28.7 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I 1 I I ANALYSIS I Q#1= 77.3 Q#2= 794.4 Q#3= .0 Q#4= .0 Q#5= .01 I I I CONFLUENCE I I I I FOR POINT# I 1#1= 2.42 1#2= 2.06 1#3= .00 1#4= .00 1#5= .001 I I I Q= 860.3 1 I I I 116.001 Ql = 664.8 Q2 = 860.3 Q3 = .0 Q4 = .0 Q5 = .01----1--.-1-----1---------------1 1 I I-----------..I----I----I-------I----I----I-----!------!--...I.......I..--I I I I I I I 1-------------1----1----1-------1----1----1-----1860.31.018010= 87."124.615001 .31-----ln=.0130 Dn= 5.71 I 1 1.----------------.---------------------.---,------------------------------------....-------....---.......1 I I *DEVELOPMENT TYPES:1=COM,2=APT,3=MH,4=CONDO,5=SF(1/4-AC),6=SF(1/2-AC) SOIL TYPES:1=A,2=B,3=c,4=D,* I 1* 7=SF(1-AC),8=UNDEV(POOR CDV),9=UNDEV(FAIR COVl,10=UNDEV(GDOD COY) O,5=SPECIFIED COEFFICIENT* I +-+--------------~.._-_._-_._------------------------------------------------------.------------------------+-+ A.. I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BOROER-LINE I I V +-+.............-------------------------......---------------------_....-----------------------------------+-+ II I II I II I II I I 1-------------------------------------------------------------------------------------..------------------ 1 I I STUDY NAME: I CALCULATEO BY: I I 1 1 CHECKED BY: I 1 I 100.0 YEAR STORM 1-HOUR RAINFALL(inch)= 1.40;INTENSITY SLOPE = .527 I PAGE NUMBER OF I I I------------------..-[A 0 V A N C'E 0 EN GIN E E R I N G SO F T WAR EJ---------.------.-..--- I I ICONCENTRATlONISOILIDEV.1 AREA II I C 1 0 I 0 ISLOPE ISECTlOH 1 V IPATHI T I Te I HYDRAULICS I I I POINT NUMBERITYPEITYPEI(ACRES)!in/hl I(SUB)I TOTAL I ft/ft I Ifps.1 ft.lmin.1 min.1 AND NOTES I I 1-------- -- ---1--'-1-' --1- ------1----1----1-----1------1-----1---...-1----1----1----1-----1-- ------------- I I 1-------------1----1----1-------1--.-1----1-----1------1-----1-------1----1--.-1----1---.-1--------------- I 1 1-------------1----1--.-1-.-----1----1----1-----1 1.01261 I I 950114.61-----IINITIAL SUBAREA I I I I 12B.001 4 I 5 I 3.BI2.951.8411 9.41------1-----1-------1----1----1-...1 14.61--.------------1 1 I I-------------I----I...-I-...---I----I----!-----I 9.41.03331 streetl 6.1! 8401 2.41-----I'Oav9= 10.7efsl I I I 44.ft STREET I ! I I I I I I I I I I I IDn= .47 W= 9.31 1 IlflowtopT.#1 I I I I I I I I II I I IX-fall=.0200011 I I 130.001 4 I 6 I "'12.721.8241 2.51.-----1-----1-------1----1----1----117.01-...-----------1 I 1 1 130.001 4 I 5 1 4.712.721.8371 10.71------1-----1-------1----1----1----1 17.01---------------1 I I 1-------------1-.. '1- ---1-------1----1----1-----1------1-----1-------1--.-1-- - -1- - --1-----1-- --- ----------1 I I 1-...--.------1----1----1-------1----1----1-----1 1.01301 I 11000114.81-----IINITIAL SUBAREA I I I I 132.001 4 I 5 I 1.512.921.8411 3.71------1-----1-------1----1-.--1----1 14.81---------------1 I I 1-------------1----1----1-------1----1----1-----1 3.71.01nl street I 4.3112401 5.11--'--I'Oav9= 5.6efsl I I I 44.ft STREET I I I 1 I I I I I I I 1 I 10n= .42 w= 8.01 1 I flow to PT.#I I I . I I I I I I I I 1 I I X-fall= .020001 I I 136.001 4 I 5 I 1.812.501.8321 3.71------1----.1-------1----1----1----120.01--------------.1 I 1----------.--1----1----1-------1----1----1-.---1---.--1-----1--..---1----1----1----1-----1---------------1 I I 136.001 I I 3.312.501 I I 7.41 I I 1 I I 20.01 Stream SU1IIlllryl I 1-------------1----1--.-1-------1----1----1-----1------1--.--1-------1----1--.-1-.--1-----1-.-.-----------1 1 1-------------1----1----1-------1----1----1-----1 1.01691 I I 830113.1 1----' IINITIAL SUBAREA I 1 I 134.001 4 I 51 1.913.131.8441 5.01------1-----1-------1----1----1----113.11---------------1 I 1-------------1----1----1-------1----1----1-----1 5.01.02751 street I 4.21 6901 2.81-----I'Oavg= 7.4efsl 1140.ftSTREETI I I I I I I II I I I I IDn=.38W=13.81 I I flow to PT.#I I I 1 I I I I I I I I I I X-fall= .017001 I I 136.001 41 5 I 2.012.831.8391 4.71------1-----1-------1----1----1----115.81---------------1 I 1-- - --. ----- --1-- --1----1--- -- --I' -- -1----1-----1------1---- -1-- -- -- -1----1----1----1--- - '1-- -------------1 I I I CONFLUENCE I TC#1= 20.0 TC#2= 15.8 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I I I I ANALYSIS I 0#1= 7.4 0#2= 9.8 0#3= .0 0#4= .0 0#5= .01 I I I CONFLUENCE I I I I FOR POINT# I 1#1= 2.50 1#2= 2.83 1#3= .00 1#4= .00 1#5= .001 I I I 0= 16.1 I I II 136.00101 = 16.1 02= 15.703= .004= .005= .01----1----1-----1---------------11 I 1-------------1----1----1----...1----1----1-----1------1-----1-------1----1 I I I I I I 1-------------1----1----1-------1----1----1-----1 16.11.03071 street I 6.2114001 3.81-----I'Oavg= 19.1efsl 1 I I 44.ft STREET I I 1 I I I I I I I I I I IDn= .60 W= 14.1 I I 1 I flow to PT.#I I I I I I I I I I I I I I X-fall= .020001 I I I 124.001 4 I 5 I 3.212.281.8271 6.01------1-----1---.---1----1----1----123.81--.-.----------1 I II I I I 1 I I I I I I 1 I I I I I I 1----------------.-....-.-.-.------.---.--------.-----------------.---------.--..-----------------...-----1 I I .OEVElOPMENT TYPES:1=COH,2=APT,3=MH,4=CONDO,5=SF(1/4-AC),6=SF(1/2-AC) SOIL TYPES:1=A,2=B,3=C,4=D,* I I' 7=SF(1-AC),8=UNOEV(POOR COV),9=UNDEV(FAIR COV),10=UNDEV(GOOO COY) O,5=SPECIFIED COEFFICIENT' I +-+.....---............---------------------------------------.--.---...-.--------.--...-..---------....----+-+ ~ I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-LINE I I V +-+---------..------------------------------------------------------------.-----------------------------._.-+-+ II II II II 1 1-----------------------------------.---...-.--...--.-------------------------------.......--------------- 1 I STUDY NAME: 1 CALCULATED BY: 1 1 I CHECKED BY: I I 100.0 YEAR STORM 1-HOUR RAINFALLCinch)= 1.40;INTENSITY SLOPE = .527 I PAGE NUMBER OF I---"---"-'-'--"-'-[A 0 V A N CEO EN GIN E E R I N G SO F T WAR El-------------------...- ICONCENTRATIONISOILIOEV.I AREA 1 I I C I 0 I 0 ISLOPE I SECTION I V IPATHI T I Tc I HYDRAULICS I POINT NUMBERITYPEITYPEICACRES)lin/hl ICSUB)I TOTAL Ift/ft I Ifps.1 ft.lmin.1 min.1 AND NOTES 1-------------1---.1----1......-1----1----1-----1------1-----1-------1--.-1....1...-1-.---1--------------- 1-------------1----1----1-------1----1----1-----1------1-----1-------1-...I....I----I-----!--------------- I 124.001 1 I 10.412.281 I I 22.11 I I I I I 23.8! Stream Sl.tJIJlaryl 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1-.--1--...1---------------1 1-------------1----1----1-------1----1---.1-----1 1.01791 I I 780j12.61-'---IINlTlAL SUBAREA I I 116.301 41 5 I 4.413.'91.8451'1.91------1-----1-------1----1--..1..--112.61---------------1 1-----------.-1....1....1--.----1----1----1-----1 11.91.01731 street I 4.01 7501 3.11-----I*oavg= 14.8cfsl I 40.ft STREET I I I I I I I I I I I 1 I 10n= .49 W= 20.01 I flow to PT.#I 1 I 1 I I I I I I I 1 I I X-fall= .017001 I 124.001 4 I 5 I 2.512.841.8391 6.01-.....1-..--1-------1----1----1----115.71........---....1 1...-..---- ..-1----1----1--- --- -1-- --1--..1-----1------1-----1-------1----1--. '1-" .1.....1- - ....---------1 I 124.001 I I 6.912.841 I I 17.81 I . I I I I 15.71 Stream Sl.tJIJlaryl 1--...........1--..1----1-------1----1--.-1...--1------1-----1-------1-...1-...1..--1-----1---------------1 1___._________1____1____ 1-------1----1----1-----1 1.0211 I I I 760j12.1 1-----IINlTlAL SUBAREA I I 120.00\ 4 I 5 1 4.613.261.846112.71------1-----1-------1---.1----1..--112.11---------------I 1_____________1____1____1_______1____1____1_____1 12.71.01351 street I 3.5 j11101 5.91-----I*oavg= 16.8cfsl I 40.ft STREET 1 I I I I I 1 1 I I I I 1 10n= .44 W= 17.21 I flow to PUI 1 I I I I I I I 1 I I I I X-fall= .017001 I I 122.001 4 I 5 I 3.712.651.8351 8.21------1-----1..---..1----1----1----1 17.91---------------1 I 1 122.001 4 I 5 I 4.912.651.8351 10.81------1-..--1-------1----1----1----1 17.91---.---.-------1 I 1-------------1----1----1-------1----1----1-----1 31.71.021110= 27."j11.71190I .31-----ln=.0130 On= 1.41 I -------------1----1--.-1-------1----1----1.----1------1----.1..--..-1----1----1----1-----1-------------.-1 I CONFLUENCE I TC#1= 23.8 TC#2= 15.7 TC#3= 18.2 TC#4= .0 TC#5= .01 I I I LARGEST I I ANALYSIS I 0#1= 22.1 0#2= 17.8 0#3= 31.7 0#4= .0 0#5= .01 I 1 1 CONFLUENCE 1 I FOR POINT# I 1#1= 2.28 1#2= 2.84 1#3= 2.63 1#4= .00 1#5= .001 I I I 0= 65.1 I I 124.00101 = 63.9 02 = 59.7 03 = 65.1 04 = .0 05 = .01----1----1---..1....-----------1 I ________....-1_.._1____1_______\____1_.._1_____1______1____-1-______1____1 I I 1 I I -------..----1--..1-..-1-------1----1--..1-----1 65.11.016710= 36."112.81 601 .11-----ln=.0130 On= 2.01 I ---..---.....1..--1----1-------1----1-..-1-----1------1--..-1-------1----1----1----1-----1......--....---1 I ..-----------1----1----1---....1..--1----1---..1 1.01281 I 11800j18.81-----IINlTlAL SUBAREA I I 501.001 4 I 5 I 7.012.581.8341 15.11------1-..--1-------1----1----1----1 18.81-----.....-----1 I ---- ----- -- --1- - - -1--- -1---- ---1--- -1-- --1--- __1______1_____1_______1____1____1___ -1-- ---1----------- --"I I 501.001 I I 7.012.581 I I 15.11 I I 1 I I 18.81 Stream Sl.tJIJlaryl I 1--- --- --- - ---1-- --I'" -I-------!----I....I. -- --1------1-----1-------1..--1....1----1-- ---1---------------1 1\ 1 I 1 I I I I I I I 1 I I I I II I 1 1 I 1 I I I ! ! 1 I I I I I 1----------------.---------------------------------------------------.---..-..-----------------..--.------1 I *DEVELOPMENT TYPES:1=COM,2=APT,3=MH,4=CONDO,5=SF(1/4-AC),6=SF(1/2-AC) SOIL TYPES:1=A,2=B,3=C,4=D,. 1 * 7=SFC1-AC).8=UNOEVCPOOR COV).9=UNOEVCFAIR COV).10=UNOEVCGOOD COV) O,5=SPECIFIEO COEFFICIENT* +-+.------------------------------------------....------------------------------------------------------....+-+ Cp I I I I I I I I I I I I I I I I I I I ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ee) Copyright 1982,1986 Advanced Engineering Software [AES] Especially prepared for: ROBERT BEIN, WILLIAM FROST & ASSOCIATES <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ~~....._.._------------..................................................... USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.360 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = .880 100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 3.600 100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.400 SLOPE OF 10-YEAR INTENSITY-OURATION CURVE = .5505732 SLOPE OF 1DD-YEAR INTENSITY-OURATION CURVE = .5Z71139 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1-HOUR INTENSITYCINCH/HOUR) = 1.4000 SLOPE OF INTENSITY DURATION CURVE = .5271 RCFC&WCD HYDROLOGY MANUAL "C"-VALUES USED <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Advanced Engineering Software [AES] SERIAL No. 100981 VER. 3.3C RELEASE DATE: 2/20/86 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> **************************************************************************** FLOW PROCESS FROM NODE 100.10 TO NODE 100.00 IS CODE = 2 >>>>>RATIONAl METHOD INITIAL SUBAREA ANAlYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)J**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1232.00 DOWNSTREAM ELEVATION = 1217.00 ELEVATION DIFFERENCE = 15.00 TC = .393*[( 1000.00**3)/( 15.DO)J**.2 = 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = SOIL CLASSIFICATION IS "0" 14.412 2.969 '\ I I I I I I I I I I I II I I I I I I I I SINGLE-FAMILY(1/4 ACRE SUBAREA RUNOFF(CFS) = TOTAL AREA(ACRES) = LOT) RUNOFF COEFFICIENT = .8414 4.75 1.90 TOTAL RUNOFF(CFS) = 4.75 **************************************************************************** FLOW PROCESS FROM NOOE 100.00 TO NOOE 100.00 IS COOE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USEO FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.41 RAINFALL INTENSITY (INCN./HCUR) = 2.97 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.75 **************************************************************************** FLOW PROCESS FROM NOOE 100.20 TO NOOE 100.00 IS COOE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) Te = K*[ClENGTH**3)/CELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 850.00 UPSTREAM ELEVATION = 1229.00 DOYNSTREAM ELEVATION = 1217.00 ELEVATION DIFFERENCE = 12.00 TC = .393*[( 850.00**3)/( 12.00)]**.2 = 13.670 100.00 YEAR RAINFALL INTENSITY(INCH/HCUR) 3.053 SOIL CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8428 SUBAREA RUNOFF(CFS) = 11.58 TOTAL AREA(ACRES) = 4.50 TOTAL RUNOFF(CFS) = 11.58 **********...********..***************************************************** FLOW PROCESS FROM NOOE 100.00 TO NOOE 100.00 IS COOE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.67 RAINFALL INTENSITY (INCH./HCUR) = 3.05 TOTAL STREAM AREA (ACRES) = 4.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.58 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (lNCH/HCUR) 1 2 4.75 11.58 14.41 13.67 2.969 3.053 RAINFALL INTENSITY ANO TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 2 STREAMS. VARICUS CONFLUENCEO RUNOFF VALUES ARE AS FOLLOWS: 16.01 16.08 ~ I I I I I I I I I I I I I I I I I I I COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 16.08 TIME(MINUTES) = 13.670 TOTAL AREA(ACRES) = 6.40 .*.**...***************.********************************.....*************** FLOW PROCESS FROM NODE 100.00 TO NODE 102.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1217.00 300.00 = 20.00 DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1211.00 DISTANCE FROM CROWN TO CROSSFALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIEO NUMBER OF HALFSTREETS CARRYING RUNOFF = ""TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.33 ***STREETFLOW SPLITS OVER STREET-CROWN--- FULL DEPTH(FEET) = .49 FLOODWIDTH(FEET) = 20.00 FULL HALF-STREET VELOCITY(FEET/SEC.) = 4.35 SPLIT DEPTH(FEET) = .23 SPLIT FLOODWIDTH(FEET) = 4.81 SPLIT VELOCITY(FEET/SEC.) = 2.55 STREET FLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.35 PRODUCT OF OEPTH&VELOCITY = 2.12 STREETFLOW TRAVELTIME(MIN) = 1.15 TC(MIN) - 14.82 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.926 SOil CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8407 SUBAREA AREA(ACRES) = .20 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) END OF SUBAREA STREET FLOW HYORAULICS: DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 4.35 DEPTH"VELOCITY = 2.12 .49 16.57 ***********...********....****************************.********************* FLOW PROCESS FROM NODE 102.10 TO NODE 102.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.926 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8407 SUBAREA AREA(ACRES) = 4.20 SUBAREA RUNOFF(CFS) = 10.33 TOTAL AREA(ACRES) = 10.80 TOTAL RUNOFF(CFS) = 26.90 TC(MIN) = 14.82 *******************************************************************......*** FLOW PROCESS FROM NODE 102.30 TO NODE 102.00 IS CODE = 8 >>>>>AOOITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 0.. I I I I I I I I I I I I I I I I I I I I ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.926 SOIL CLASSIFICATION IS liD" SINGLE-FAMILY(1/4 ACRE LOT) RUNOff COEffICIENT = .8407 SUBAREA AREA(ACRES) = 1.BO SUBAREA RUNOff(CfS) = 4.43 TOTAL AREA(ACRES) = 12.60 TOTAL RUNOff(CfS) = 31.33 TC(MIN) = 14.B2 ..****....**..***..........**.**.**...................****.********....***** fLOW PROCESS FROM NOOE 102.00 TO NOOE 104.00 IS COOE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH Of fLOW IN 27.0 INCH PIPE IS 21.1 INCHES PIPEFLOW VELOCITY(fEET/SEC.) = 9.4 UPSTREAM NOOE ELEVATION = 1211.00 DOWNSTREAM NOOE ELEVATION = 1209.00 fLOWLENGTH(fEET) = 160.00 MANNINGS N = ESTIMATED PIPE DIAMETER(INCH) = 27.00 PIPEfLOW THRU SUBAREA(CfS) = 31.33 TRAVEL TIME(MIN.) = .2B TC(MIN.) = 15.10 .013 NUMBER Of PIPES = ..*******.......*******...************************************************** fLOW PROCESS fROM NODE 104.10 TO NOOE 104.00 IS COOE = 8 >>>>>AOOITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.897 SOIL CLASSIfICATION IS "0" SINGLE-fAMILY(1/4 ACRE LOT) RUNOff COEffICIENT = .8401 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOff(CfS) = 13.63 TOTAL AREA(ACRES) = 18.20 TOTAL RUNOff(CfS) = 44.96 TC(MIN) = 15.10 **************************************************************************** fLOW PROCESS fROM NODE 106.10 TO NOOE 106.00 IS COOE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM OEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTW**3)/(ELEVATION CHANGE)J**.2 INITIAL SUBAREA FLOW-LENGTH = 945.00 UPSTREAM ELEVATION = 1220.00 DOWNSTREAM ELEVATION = 1196.00 ELEVATION DIffERENCE = 24.00 TC = .393*[( 945.00**3)/( 24.00)J**.2 = 12.681 100.00 YEAR RAINfALL INTENSITY(INCH/HOUR) = 3.176 SOIL CLASSIFICATION IS 11011 SINGLE-fAMILY(1/4 ACRE LOT) RUNOff COEffICIENT = .8448 SUBAREA RUNOff(CfS) = 8.05 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOff(CfS) = 8.05 **************************************************************************** \,0 FLOW PROCESS FROM NODE 106.00 TO NOOE 108.00 IS COOE = 6 I I I I I I I I I I I I I I I I I I I ----...------.....------..--------------------------..---------------------. >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1195.00 500.00 = 20.00 OOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1189.00 OISTANCE FROM CROWN TO CROSSFALL GRAOEBREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) ,017 OUTSIOE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 --TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.06 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 17.19 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.21 PRODUCT OF DEPTH&VELOCITY = 1.41 STREET FLOW TRAVELTIME(MIN) = 2.60 TC(MIN) = 15.28 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.879 SOIL CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8398 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 10.50 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 3.50 DEPTH-VELOCITY = 1.74 18.13 26.18 *************.************************************************************** FLOW PROCESS FROM NODE 108.00 TO NODE 110.00 IS CODE = 6 ------------------------------.------------..-.-.------------------.-.------ >>>>>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = 1189.00 STREET LENGTH(FEET) = 675.00 STREET HALFWIDTH(FEET) = 20.00 DOWNSTREAM ELEVATION = 1182.50 CURB HEIGTH(INCHES) = 6. DISTANCE FROM CROWN TO CROSSFALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 --TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.52 ***STREET FLOWING FULL*** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLI8LE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .54 HALFSTREET FLOOOWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.37 PRODUCT OF DEPTH&VELOCITY = 1.81 STREETFLOW TRAVELTIME(MIN) = 3.34 TC(MIN) = 18.62 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.594 \\ I I I I I I I I I I I I I I I I I I I SOIl. CLASSIFICATION IS "0" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT: .8342 SU8AREA AREA(ACRES): 4.00 SUBAREA RUNOFFCCFS) SUMMEO AREA(ACRES): 14.50 TOTAL RUNOFFCCFS) : ENO OF SUBAREA STREETFL~ HYDRAULICS: OEPTH(FEET): .56 HALFSTREET FLOOO~IOTHCFEET) : 20.00 FL~ VELOCITYCFEET/SEC.l: 3.54 DEPTH*VELOCITY: 1.97 8.66 34.84 ***********....**.********...*************************.*.******..****.****** FL~ PROCESS FROM NODE 110.10 TO NODE 110.00 IS CODE: 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HCUR): 2.594 SOIL CLASSIFICATION IS "0" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT: .8342 SUBAREA AREA(ACRES): 4.70 SUBAREA RUNOFF(CFS): 10.17 TOTAL AREACACRES): 19.20 TOTAL RUNOFF(CFS): 45.01 TC(MIN): 18.62 **...***.*****.***************************************************.********* FL~ PROCESS FROM NODE 110.00 TO NODE 114.00 IS CODE: >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES): 18.62 RAINFALL INTENSITY CINCH./HCUR): 2.59 TOTAL STREAM AREA (ACRES): 19.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE: 45.01 *************************************...***************......*************** FL~ PROCESS FROM NODE 112.10 TO NODE 112.00 IS CODE: 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM OEVELOPMENT IS SINGLE FAMILY Cl/4 ACRE) TC : K*[(LENGTH**3)/CELEVATION CHANGE)]**.2 INITIAL SUBAREA FL~-LENGTH: 1000.00 UPSTREAM ELEVATION: 1232.00 O~NSTREAM ELEVATION: 1217.00 ELEVATION DIFFERENCE: 15.00 TC: .393*[C 1000.00**3)/( 15.00)]**.2: 14.412 100.00 YEAR RAINFALL INTENSITY(INCH/HCUR): 2.969 SOIL CLASSIFICATION IS "0" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT: .8414 SU8AREA RUNOFFCCFS) : 4.75 TOTAL AREA(ACRES) : 1.90 TOTAL RUNOFF(CFS) : 4.75 ***..*..****.**************...*..**.****..********************************** FL~ PROCESS FROM NODE 112.00 TO NODE 112.20 IS CODE: 6 >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- \1--- UPSTREAM ELEVATION: 1217.00 O~NSTREAM ELEVATION: 1204.00 I I I I I I I I I I I I I I I I I I I STREET LENGTHCFEET) = 500.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTHCFEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.00 INTERIOR STREET CROSSFALLCDECIMAL) .017 OUTSIDE STREET CROSSFALLCDECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = "TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = 6.36 STREET FLOW MODEL RESULTS: STREET FLOWDEPTHCFEET) = .36 HALFSTREET FLOODWIDTHCFEET) = 12.69 AVERAGE FLOW VELOCITYCFEET/SEC.) = 4.19 PRODUCT OF DEPTH&VELOCITY = 1.52 STREET FLOW TRAVELTIMECMIN) = 1.99 TCCMIN) = 16.40 100.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.773 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .837B SUBAREA AREACACRES) = 1.40 SUBAREA RUNOFFCCFS) = SUMMED AREACACRES) = 3.30 TOTAL RUNOFFCCFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTHCFEET) = .40 HALFSTREET FLOODWIDTHCFEET) = 14.94 FLOW VELOCITYCFEET/SEC.) = 3.91 DEPTH'VELOCITY = 1.57 3.25 8.00 *******************...****************************.********************..*** FLOW PROCESS FROM NODE 112.30 TO NODE 112.20 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.773 SOIL CLASSIFICATION IS "0" SINGLE'FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .8378 SUBAREA AREACACRES) = 4.50 SUBAREA RUNOFFCCFS) = 10.46 TOTAL AREACACRES) = 7.80 TOTAL RUNOFFCCFS) = 18.46 TCCMIN) = 16.40 **********...*****************..**********************.*.******************* FLOW PROCESS FROM NODE 112.20 TO NOOE 114.00 IS CODE = 6 >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1204.00 STREET LENGTHCFEET) = 1150.00 STREET HALFWIDTHCFEET) = 20.00 DOWNSTREAM ELEVATION = llB2.00 CURB HEIGTHCINCHES) = 6. DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 18.00 !NTERIOR STREET CROSSFALLCDECIMAL) .017 OUTSIDE STREET CROSSFALLCDECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 "TRAVELTIME COMPUTEO USING MEAN FLOWCCFS) = 24.33 STREETFLOW MODEL RESULTS: STREET FLOWDEPTHCFEET) = .46 HALFSTREET FLOODWIDTHCFEET) = 18.31 AVERAGE FLOW VELOCITYCFEET/SEC.) = 4.05 ,'? I I I I I I I I I I I I I I I I I I I PRODUCT OF OEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 4.73 1.86 TC(MIN) = 21.13 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.427 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8303 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 13.60 TOTAL RUNOFF(CFS) = ENO OF SUBAREA STREETFLOW HYORAULICS: OEPTH(FEET) = .48 HALFSTREET FLOODWIDTH(FEET) = 19.44 FLOW VELOCITY(FEET/SEC.) = 4.48 DEPTH"VELOCITY = 2.14 11.69 30.14 ******************...******************************************************* FLOW PROCESS FROM NODE 114.10 TO NODE 114.00 IS CODE = 8 >>>>>AODITION OF SUBAREA TO MAINLINE PEAK FL~<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.427 SOIL CLASSIFICATION IS liD" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8303 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 5.04 TOTAL AREA(ACRES) = 16.10 TOTAL RUNOFF(CFS) = 35.18 TC(MIN) = 21.13 *****...**********...******************************************************* FLOW PROCESS FROM NODE 114.00 TO NODE 110.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE. VARIOUS CONFLUENCED STREAM VAlUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.13 RAINFALL INTENSITY (INCH./HOUR) = 2.43 TOTAL STREAM AREA (ACRES) = 16.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35.18 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 1 2 45.01 35.18 18.62 21. 13 2.594 2.427 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCO) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 76.01 77.29 COMPUTEO CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 77.29 TIME(MINUTES) = 21.131 TOTAL AREA(ACRES) = 35.30 **************************************************************************** FLOW PROCESS FROM NODE 114.00 TO NODE 116.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< \1\ ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- I I. I I I I I I I . . I I . I I . I I DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.5 UPSTREAM NODE ELEVATION = 1182.00 DOWNSTREAM NODE ELEVATION = 1166.50 FLOWLENGTH(FEET) = 180.00 MANNINGS N = ESTIMATED PIPE DIAMETERCINCH) = 27.00 PIPEFLOW THRU SUBAREACCFS) = 77.29 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 21.25 .013 NUMBER OF PIPES = **********************....**************************...*...******.********** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = >>>>>OESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATIONCMINUTES) = 21.25 RAINFALL INTENSITY (INCH./HOUR) = 2.42 TOTAL STREAM AREA (ACRES) = 35.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 77.29 ***************************.**************************************...*.**... FLOW PROCESS FROM NODE 47.00 TO NODE 47.00 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 28.10 RAIN INTENSITY(INCH/HOUR) = 2.09 TOTAL AREA(ACRES) = 379.10 TOTAL RUNOFF(CFS) = 794.40 ***********.**************************************************************** FLOW PROCESS FROM NODE 47.00 TO NODE 116.00 IS CODE = 3 >>>>>CQMPUTE PIPEFL~ TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESJ2E CNON.PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 114.0 INCH PIPE IS 87.5 PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1168.50 O~NSTREAM NODE ELEVATION = 1166.50 FLOWLENGTH(FEET) = 520.00 MANNINGS N = ESTIMATED PIPE DIAMETER(INCH) = 114.00 PIPE FLOW THRU SUBAREA(CFS) = 794.40 TRAVEL TIMECMIN.) = .64 TC(MIN.) = INCHES .013 NUMBER OF PIPES = 28.74 **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VAlUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 28.74 RAINFALL INTENSITY CINCH./HOURJ = 2.06 TOTAL STREAM AREA (ACRES) = 379.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 794.40 ,4 I I I I I I I I I I I I I I I I I I I CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER lCFS) lMIN.) INTENSITY lINCH/HOUR) 1 2 77.29 794.40 21. 25 28.74 2.419 2.064 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULACRCFC&WCD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 664.81 860.32 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFlCFS) = 860.32 TIMECMINUTES) = 28.737 TOTAL AREACACRES) = 414.40 **..............*******....************************************************* FLOW PROCESS FROM NooE 116.00 TO NooE 118.00 IS CooE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PJPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 87.0 INCH PIPE IS 68.6 PIPEFLOW VELOCITYCFEET/SEC.) = 24.6 UPSTREAM NooE ELEVATION = 1166.50 OOWNSTREAM NooE ELEVATION = 1157.50 FLOWLENGTHlFEET) = 500.00 MANNINGS N = ESTIMATED PIPE DIAMETERCINCH) = 87.00 PIPE FLOW THRU SUBAREACCFS) = 860.32 TRAVEL TIMElMIN.) = .34 TCCMIN.) = INCHES .013 NUMBER OF PIPES = 29.08 ***************....******.....********************************************** FLOW PROCESS FROM NooE 128.10 TO NooE 128.00 IS CooE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY 11/4 ACRE) TC = K*[CLENGTH**3)/CELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 950.00 UPSTREAM ELEVATION = 1181.00 DOWNSTREAM ELEVATION = 1169.00 ELEVATION DIFFERENCE = 12.00 TC = .393*[1 950.00**3)/1 12.00))**.2 = 14.613 100.00 YEAR RAINFALL INTENSITYlINCH/HOUR) = 2.948 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILYll/4 ACRE LOT) RUNOFF COEFFICIENT = .8410 SUBAREA RUNOFFlCFS) = 9.42 TOTAL AREAl ACRES) = 3.80 TOTAL RUNOFFCCFS) = 9.42 .....*****.........**....................................................... FLOW PROCESS FROM NODE 128.00 TO NooE 130.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = STREET LENGTHlFEET) = STREET HALFWIDTHlFEET) 1169.00 840.00 = 22.00 \V- DOWNSTREAM ELEVATION = CURB HEIGTHlINCHES) = 6. 1141.00 I I I I I I I I I I I I I I I I I I I DISTANCE FROM CR~N TO CROSS FALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF **TRAVELTIME COMPUTED USING MEAN FL~(CFS) = 10.65 STREETFL~ MODEL RESULTS: STREET FL~EPTH(FEET) = .47 HALFSTREET FLOOO~IDTH(FEET) = 9.34 AVERAGE FL~VELOCITY(FEET/SEC.) = 5.79 PRODUCT OF DEPTH&VELOCITY = 2.72 STREETFL~ TRAVELTIME(MIN) = 2.42 TC(MIN) = 17.03 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/2 ACRE LOT) RUNOFF COEFFICIENT = .8241 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) = SUMMEO AREA(ACRES) = 4.90 TOTAL RUNOFF(CFS) = ENO OF SUBAREA STREETFL~ HYDRAULICS: DEPTH(FEET) = .48 HALFSTREET FLOOO~IOTH(FEET) = 9.60 FL~ VELOCITY(FEET/SEC.) = 6.13 DEPTH*VELOCITY = 2.94 2.47 11.89 ******.......*****............*******.****.*******.*******.......*********** FL~ PROCESS FROM NODE 130.10 TO NODE 130.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS 110" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8368 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF(CFS) = 10.69 TOTAL AREA(ACRES) = 9.60 TOTAL RUNOFF(CFS) = 22.58 TC(MIN) = 17.03 **.***************......*..............*******...........*****............** FL~ PROCESS FROM NODE 132.10 TO NODE 132.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FL~-LENGTH = 1000.00 UPSTREAM ELEVATION = 1235.00 D~NSTREAM ELEVATION = 1222.00 ELEVATION DIFFERENCE = 13.00 TC = .393*[( 1000.00**3)/( 13.00)]**.2 = 14.831 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.925 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8406 SUBAREA RUNOFF(CFS) = 3.69 TOTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 3.69 ............*.*.........*.......*****.*..................*****.............. ,'\ FL~ PROCESS FROM NODE 132.00 TO NODE 136.00 IS CODE = 6 I I I I I I I I I I I I ! I I I I I I I I >>>>>COMPUTE STREETFL~ TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1222.00 1240.00 = 22.00 DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1200.00 DISTANCE FROM CROWN TO CROSSFALL GRADE BREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = "TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.56 STREET FLOW MOOEL RESULTS: STREET FLOWDEPTH(FEET).= .42 HALFSTREET FLOOOWIDTH(FEET) = 8.01 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.03 PROOUCT OF DEPTH&VELOCITY = 1.68 STREET FLOW TRAVELTIME(MIN) = 5.12 TC(MIN) = 19.95 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.501 SOIL CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8321 SUBAREA AREA(ACRES) = 1.BD SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 3.30 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .46 HALFSTREET FLOOOWIDTH(FEET) = 9.07 FLOW VELOCITY(FEET/SEC.) = 4.27 DEPTH'VELOCITY = 1.96 3.75 7.43 **************************************************************************** FLOW PROCESS FROM NOOE 136.00 TO NOOE 136.00 IS COOE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.95 RAINFALL INTENSITY (INCH./HOUR) = 2.50 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.43 ****************************.************************************.********** FLOW PROCESS FROM NOOE 134.10 TO NOOE 134.00 IS COOE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANAlYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K'[(LENGTH"3)/(ELEVATION CHANGE)]".2 INITIAL SUBAREA FLOW-LENGTH = 830.00 UPSTREAM ELEVATION = 1233.00 DOWNSTREAM ELEVATION = 1219.00 ELEVATION DIFFERENCE = 14.00 TC = .393'[( 830.00"3)/( 14.00)]".2 = 13.067 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.127 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8440 SUBAREA RUNOFF(CFS) = 5.01 \~ I I I I I I I I I I I I I I I I I I I ELEVATION DIFFERENCE' 14.00 TC' .393*[( 780.00**3)/( 14.00)]**.2 = 12.589 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.189 SOIL CLASSIFICATION IS "Oil SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8449 SUBAREA RUNOFF(CFS) = 11.85 TOTAL AREA(ACRES) = 4.40 TOTAL RUNOFF(CFS) = 11.85 *.***************************.********************************************** FLOW PROCESS FROM NODE 116.10 TO NODE 124.00 IS CODE = 6 -----------...._------------------------------------------------------------ >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1167.00 750.00 . 20.00 1154.00 DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF' **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 14.83 ***STREETFLOW SPLITS OVER STREET-CROWN--- FULL DEPTH(FEET) . .49 FLOOOWIDTH(FEET) = 20.00 FULL HALF-STREET VELOCITY(FEET/SEC.) = 4.05 SPLIT DEPTH(FEET) = .19 SPLIT FLOOOWIDTH(FEET) = 2.56 SPLIT VELOCITY(FEET/SEC.) = 2.23 STREET FLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .49 HALFSTREET FLOOOWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.05 PRODUCT OF DEPTH&VELOCITY = 1.97 STREETFLOW TRAVELTIME(MIN) = 3.09 TC(MIN)' 15.68 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.840 SOIL CLASSIFICATION IS liD.. SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8391 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 6.90 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: OEPTH(FEET) = .49 HALFSTREET FLOOOWIDTH(FEET) = 20.00 FLOW VELOCIYY(FEET/SEC.) = 4.05 DEPTH*VELOCITY = 1.97 5.96 17.81 *********..*******************************************....**.*************** FLOW PROCESS FROM NODE .124.00 TO NODE 124.00 IS CODE = .1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.68 RAINFALL INTENSITY (INCH./HOUR) = 2.84 TOTAL STREAM AREA (ACRES) = 6.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.81 **************************************************************************** \0... I I I I I I I I I I I I I I I I I I I RUNOFF(CFS) = 16.07 TOTAL AREA(ACRES) TlME(MINUTES) = 7.20 19.953 *********************....************************......********************* FLOW PROCESS FROM NODE 136.00 TO NODE 124.00 IS CODE = 6 >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1197.00 STREET LENGTH(FEET) = 1400.00 STREET HALFWIDTH(FEET) = 22.00 DOWNSTREAM ELEVATION; 1154.00 CURB HEIGTH(INCHES) = 8. DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = ""TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 19.09 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .60 HALF STREET FLOOOWIOTH(FEET) = 14.13 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.07 PRODUCT OF DEPTH&VELOCITY = 3.65 STREETFLOW TRAVELTIME(MIN) = 3.84 TC(MIN) = 23.80 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.280 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8266 SUBAREA AREACACRES) = 3.20 SUBAREA RUNOFF(CFS) SUMMED AREA(ACRES) = 10.40 TOTAL RUNOFF(CFS) = ENO OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOOOWIDTH(FEET) = 15.63 FLOW VELOCITY(FEET/SEC.) = 6.15 DEPTH"VELOCITY = 3.88 6.03 22.10 **.*******.................*********.*****.**...*****..*.******************* FLOW PROCESS FROM NODE 124.00 TO NODE 124.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.80 RAINFALL INTENSITY (INCH./HOUR) = 2.28 TOTAL STREAM AREA (ACRES) = 10.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.10 ..........*.................*.********************************************** FLOW PROCESS FROM NODE 116.10 TO NODE 116.30 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMEO INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K"[(LENGTH""3)/(ELEVATION CHANGE))"".2 INITIAL SUBAREA FLOW-LENGTH = 780.00 UPSTREAM ELEVATION = 1181.00 DOWNSTREAM ELEVATION = 1167.00 1,P I I I I I I I I I I I I I I I I I I I TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 5.01 **************..****************....**........****************************** FLOW PROCESS FROM NODE 134.00 TO NODE 136.00 IS CODE = 6 >>>>>COMPUTE STREETFL~ TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1219.00 690.00 = 20.00 DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1200.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIOE STREET CROSSFALL(OECIMAL) = .050 SPECIFIEO NUMBER OF HALFSTREETS CARRYING RUNOFF = ""TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.39 STREETFLOW MODEL RESULTS: STREET FLOWOEPTH(FEET) = .38 HALFSTREET FLOOOWIDTH(FEET) = 13.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.17 PRODUCT OF DEPTH&VELOCITY = 1.59 STREET FLOW TRAVELTIME(MIN) = 2.76 TC(MIN) = 15.82 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.826 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8389 SUBAREA AREA(ACRES) = 2.00 SUBAREA RUNOFF(CFS) = SUMMED AREAIACRES) = 3.90 TOTAL RUNOFF(CFS) ENO OF SUBAREA STREET FLOW HYORAULICS: DEPTH(FEET) = .42 HALFSTREET FLOOOWIDTH(FEET) 16.06 FLOW VELOCITY(FEET/SEC.) = 4.16 DEPTH"VELOCITY = 1.75 4.74 9.76 **********...**********..************.*.......**..***.*****************...** FLOW PROCESS FROM NODE 136.00 TO NODE 136.00 IS CODE = >>>>>DESIGNATE INDEPENOENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.82 RAINFALL INTENSITY (INCH./HOUR) = 2.83 TOTAL STREAM AREA (ACRES) = 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.76 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.r (INCH/HOUR) 1 2 7.43 9.76 2.501 2.826 19.95 15.82 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.07 15.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Z,\ I I I I I I I I I I I I I I I I I I I FLOW PROCESS FROM NOOE 120.10 TO NOOE 120.00 IS COOE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSI5<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM OEVELDPMENT IS SINGLE FAMILY (1/4 ACRE) Te = K*[(LENGTH**3)fCElEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 760.00 UPSTREAM ELEVATION = 1188.00 DOWNSTREAM ELEVATION = 1172.00 ELEVATION DIFFERENCE = 16.00 TC = .393*[( 760.00**3)/( 16.00)]**.2 = 12.067 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.260 SOIL CLASSIFICATION IS 110" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8460 SUBAREA RUNOFF(CFS) = 12.69 TOTAL AREA(ACRES) = 4.60 TOTAL RUNOFF(CFS) = 12.69 **************************************************************************** FLOW PROCESS FROM NOOE 120.00 TO NOOE 122.00 IS COOE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = 1172.00 STREET LENGTH(FEET) = 1110.00 STREET HALFWIDTH(FEET) = 20.00 DOWNSTREAM ELEVATION = 1157.00 CURB HEIGTH(INCHES) = 6. OISTANCE FROM CROWN TO CROSS FALL GRADEBREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFAll(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.82 STREET FLOW MOOEL RESULTS: STREET FLOWOEPTH(FEET) = .44 HALFSTREET FLOOOWIDTH(FEET) = 17.19 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.16 PROOUCT OF DEPTH&VELOCITY = 1.39 STREETFLOW TRAVELTIME(MIN) = 5.85 TC(MIN) = 17.92 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.647 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8353 SUBAREA AREA(ACRES) = 3.70 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 8.30 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .46 HALFSTREET FLOOOWIDTH(FEET) = 18.31 FLOW VELOCITY(FEET/SEC.) = 3.48 DEPTH*VELOCITY = 1.59 8.18 20.87 *..............................................................*....******** FLOW PROCESS FROM NOOE 122.10 TO NOOE 122.00 IS COOE = 8 >>>>>AOOITION OF SUBAREA TO MAINLINE PEAK FlOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 100.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.647 SOIL CLASSifiCATION IS lion SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8353 z,'i-- I I I I I I I I I I I I I I I I I I I SUBAREA AREA(ACRES) = TOTAL AREA(ACRES) TC(MIN) = 17.92 4.90 13.20 SUBAREA RUNOFF(CFS) TOTAL RUNOFF(CFS) = = 10.83 31.70 **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 124.00 IS CODE = 3 >>>>>COMPUTE PIPEFL~ TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.3 PIPEFLOW VELOCITY(FEET/SEC.) = 11.7 UPSTREAM NODE ELEVATION = 1157.00 DOWNSTREAM NODE ELEVATION = 1153.00 FLOWLENGTH(FEET) = 190.00 MANNINGS N = ESTIMATED PIPE DIAMETER(INCH) = 27.00 PIPEFLOW THRU SUBAREA(CFS) = 31.70 TRAVEL TIME(MIN.) = .27 TC(MIN.) INCHES .013 NUMBER OF PIPES = 18.19 ************************************************************...*.*********** FLOW PROCESS FROM NODE 124.00 TO NODE 124.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 18.19 RAINFALL !NTENSITY (INCH./HOUR) = 2.63 TOTAL STREAM AREA (ACRES) = 13.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.70 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 1 2 3 22.10 17.81 31.70 23.80 15.68 18.19 2.280 2.840 2.626 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 3 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 63.91 59.69 65.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 65.07 TIME(MINUTES) = 18.191 TOTAL AREA(ACRES) = 30.50 **************************************************************************** FLOW PROCESS FROM NODE 124.00 TO NODE 126.00 IS CODE = 3 >>>>>CQMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING CQHPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FlOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.8 UPSTREAM NODE ELEVATION = 1154.00 DOWNSTREAM NODE ELEVATION = 1153.00 p I I I I I I I' I I I I I I I I I I I I FLOWLENGTHIFEET)' 60.00 MANNINGS N' .013 ESTIMATED PIPE DIAMETERIINCH) = 36.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREAICFS) = 65.07 TRAVEL TIMEIMIN.) . .08 TC(MIN.) = 1B.27 ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- END OF RATIONAL METHOD ANALYSIS ~ I I I I I I I I I I I I I II I I I I I **************************************************************************** FL~ PROCESS FROM NODE 500.00 TO NODE 501.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANAlYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FL~-LENGTH = 1800.00 UPSTREAM ELEVATION = 1220.00 D~NSTREAM ELEVATION = 1197.00 ELEVATION OIFFERENCE = 23.00 TC = .393*[( 1800.00**3)/( 23.00)]**.2 = 18.826 100.00 YEAR RAINFALL INTENSITY(INCH/HOUR) 2.579 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8339 SUBAREA RUNOFF(CFS) = 15.05 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 15.05 ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ENO OF RATIONAL METHOD ANALYSIS ~ .1 I I I I I I I I I I I i I I, I I I I I CUT PAPER ALOHG OUTSIDE BORDER-LINE I I V +-+--------------------------------------------------------.-...-------------------------..----------.------+-+ I I I I I 1---------------------------------------------------------------------------------------------------------1 I STUDT NAME: I CALCULATED BY: I I 1 CHECKED BY: 1 I 10.0 YEAR STORM 1-HOUR RAINFALLCineh)= .89;INTENSITY SLOPE = .551 1 PAGE NUMBER OF 1 I---------------------[A 0 V A N CEO EN GIN E E R I N G SO F T WAR E]-----------------------I ICONCENTRATIONISOILIDEV.I AREA I I I C I 0 I 0 ISLOPEISECTIONI V IPATHI T I Te 1 HYDRAULICS I I POINT NUMBER 1 TYPE ITYPEICACRES) Iin/h I I(SUB)I TOTALIIt/ftI Ilps.1 It.lmin.1 min.1 AND NOTES I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----I----!-----I---------------I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1---------------1 I 1-------------1----1----1-------1----1----1-----1 1.01501 1 11000114.41-----jINITJAL SUBAREA I I I 100.001 4 I 5 I 1.911.951.8161 3.01------1-----1-------1----1----1----114.41---------------1 I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1---------------1 I 1 100.001 I I 1.911.951 I I 3.01 I I I I I 14.41 Stream S""""ryl I 1-------- -- ---1----1--- -1-- -----1----1-- --1-- -- -1-- ----1---- -1---- -- -1-- --1----1----1-- ---1------- -- ------I 1 I 1-------------1----1----1-------1----1----1-----1 1.01411 I I 850113.71-----IINmAL SUBAREA I I I I 100.001 4 I 5 I 4.512.011.8181 7.41------1-----1-------1----1----1----1 13.71---------------1 1 I 1- -------, ----1----1--- -1-- -- -- -1-- --1-- --1-----1------1-----1-------1----1-- --1----1-----1------------ - - -I 1 I I CONFLUENCE I TC#l= 14.4 TC#2= 13.7 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I I I I ANALYSIS I 0#1= 3.0 0#2= 7.4 0#3= .0 0#4= .0 0#5= _01 I I I CONFLUENCE I I I I FOR POINT# I 1#1= 1.95 1#2= 2.01 1#3= .00 1#4= .00 1#5= .001 I 1 I 0= 10.3 I I I , 100.00101 = 10.2 02 = 10.3 03 = .0 04 = .0 05 = .01----1----1-----1---------------1 I I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1 I 1 I I I 1 1-------------1----1----1-------1----1----1-----1 10.31.02001 street I 4.01 30011.31-----'*oavg= 10.4efsl I I I 40. It STREET I I I I 1 I I I I I I I I IDn= .44 W= 17.21 1 1 I flow to pT,#1 I I I I I I I I I I I I 1 X-Iall= .017001 I I 102.001 4 I 5 1 .211.911.8151 .31------1-----1-------1----1----1----1 14.91---------------1 I I 102.001 4 I 5 I 4.211.91.1.8151 6.51------1-----1-------1----1----1----114.91---------------1 I I 102.001 4 I 5 I 1.811.911.8151 2.81------1-----1--000--1----1----1-___1 14.91---------------1 I 1-------------1----1----1-------1----1----1-----1 19.91.012510= 24."18.511601 .31-----ln=.0130 00'1.41 1 1 104.001 4 I 5 I 5.611.891.8141 8.61------1-----1-------1----1----1----115.31---------------1 1 1-------------1----1----1-------1----1----1-----1------I-----I-------I----!----I----I-----'---------------I I 1-------------1----1----1-------1----1----1-----1 1.02541 I 1 945j12.71-----jINITJAL SUBAREA I I I 106.001 4 I 5 I 3.012.091.8211 5.21------1-----1-------1----1----1----112.71---------------1 I 1-------------1----1----1-------1----1----1-----1 5.21.01201 streetl 3.11 5001 3.1 I-----I*oavg= 10.8elsl 1140.ltSTREETI I I I III I I I I 1 I IOO'.40W=14.91 I I flow to PT,#I I I I I 1 I I I I I I I I X-fall= .017001 1 I 108.001 4 I 5 I 7.511.851.813111.31------1-----1-------1----1----1----115.81---------------1 I 1-------------1----1----1-------1----1----1-----1 16.41.00961 street I 2.91 6751 4.01-----I*oavg= 19.1efsl I I 40.lt STREET! I I I 1 1 I I I I I I 1 IDn= .48 W= 19.41 I I flow to pT,#1 I I I 1 1 I I I I I I I I X-fall= .017001 I I 110.001 4 I 5 I 4.011.641.8041 5.31------'-----1-------1----1----1----1 19.81---------------1 I I 110.001 4 I 5 I 4.711.641.8041 6.21------1-----1-------1----1----1----1 19.81---------------1 II 1 I I I I I I I I I I I I I I I 1---------------------------------------------------------------------------------------------------------1 I *DEVELOPMENT TYPES:1=COM,2=APT,3=MH,4=CONDO,5=SF(1/4-AC),6=SF(1/2-AC) SOil TVPES:1=A,2=B,3=C,4=D,- 1* 7=SFC1-AC),8=UNOEVCPOOR COV).9=UNDEVCFAIR COV),10=UNDEV(GOOD COV) 0.5=SPECIFIED COEFFICIENT* +-+------------.--------...-----------...----------.-..------------------------.---------------.--.---.-----+-+ -z,.(p I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-LINE I I V +-+-----------------------------------------------------------------------------....._----------------------+-+ I I I I 1--------------------------------------------------------------------------------------------------------- I STUDY NAME: I CALCULATED BY: I I CKECKEO BY: 1 10.0 YEAR STORM 1-KOUR RAINFALLCineh)= .89;INTENSITY SLOPE = .551 I PAGE NUMBER OF I---------------------[A 0 V AN CEO EN GIN E E R I N G SO F T WAR E]----------------------- ICONCENTRATIONISOILIOEV.I AREA I I I C I Q I Q ISLOPEISECTIONI V IPATKI T I Te I KYORAULICS I POINT NUMBERITYPEITYPE ICACRES) Iin/hl ICSUB)I TOTAL Ilt/ft I Ilps.1 It.lmin.1 min.1 AND NOTES 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1--------------- 1---------- - --1-- --1- - --1---- - --1----1----1-----1--- -- -1-----1----- --1-- --1----1--- -1-- ---1------- -------- I 114.001 I I 19.211.641 1 1 27.91 I 1 1 I I 19.81 Stream SLJTI1laryl 1- --------- ---1--- -1----1--- - ---1----1----1-- ---1- --- --1-- ---1- --- ---1----1----1----1-----1------ ---------I 1------000----1----1----1-------1----1----1-----1 1.01501 I 11000114.41-----PNITIAL SUBAREA 1 I 112.001 4 I 51 1.911.951.8161 3.01------1-----1-------1----[----1----114.41---------------1 1-------------1----1----1-------1----1----1-----1 3.01.02601 street I 3.91 5001 2.21-----I*Qavg= . 4.0elsl I 40.ft STREET I I I I 1 I 1 I I 1 I I I 10n= .32 W= 10.41 IlllowtoPT.#1 I I I I I I 1 I I I I I !X-Iall=.017001 II 112.201 4 I 5 I 1.411.801.8111 2.01------1-----1-------1----1----1----116.61---------------1 1 1 112.201 41 5 I 4.511.801.8111 6.61------1-----1-------1----1----1----116.61---------------1 1 1-------------1----[----1-------1----1----1-----1 11.61.01911 street 1 4.0111501 5.11-----I*Qavg= 15.3elsl 1140.ltSTREETI 1 I I I I I I I II I I IOn=.40W=14.91 IlflowtoPT.#1 I I I I I I 1 I I I I I IX-Iall=.0170011 1 1 114.001 4 1 5 I 5.811.551.8001 7.21------!-----1-------1----1----1----1 21.81---------------1 I 1 1 114.001 4 I 5 I 2.511.551.8001 3.11------1-----1-------1----1----1----121.81---------------1 I 1 I-------------!----I----I-------I----I----I-----I------I-----I-------I----I----1----1-----1---.------------1 1 I I CONFLUENCE I TC#1= 19.8 TC#2= 21.8 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST 1 I I I ANALYSIS I Q#1= 27.9 Q#2= 22.0 Q#3= .0 Q#4= .0 Q#5= .01 I I I CONFLUENCE I I I I FOR POINT# 1 1#1= 1.64 1#2= 1.55 1#3= .00 1#4= .00 1#5= .001 I 1 I Q= 48.4 I I I 1 110.001 Q1 = 47.8 Q2 = 48.4 Q3 = .0 Q4 = .0 Q5 = .01----1----'-----1'--------------1 I I 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1 I I I I I 1 1-------------1----1----1-------1----1----1-----1 48.41.086110= 24."122.111801 .11-----ln=.0130 000 1.31 I I 1-------------1-- --1- ---1-------1----1--- -1- - - --1------1-----1-------1----1-- --1----1-----1--- ------------1 1 1 I 116.001 1 I 35.311.551 I I 48.41 I I I I 1 21.91 Stream SLJTI1laryl 1 1 1-------------1----1----1-------1----1----\-----1------1-----1-------1----1----1----1-----1---------------1 1 I I I I I I I I 1 794.41 I I 1 1 I I AssLllled Data I I I I 47.001 I I 379.11 I I 1------1-----1-------1----1----1----128.11---------------1 1 I 1-------------1----1----1-------1----1----1-----1 794.41.003810=114."113.61 5201 .6Im--ln=.0130 000 7.31 I I 1---- -- -------1----1-- --1--- -- --1-- --1-- --1-----1------1-----1-------1----1----1----1--- --1-- -- --------- --I 1 1 I CONFLUENCE I TC#l = 21. 9 TC#2= 28.7 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I I I I ANALYSIS I Q#l= 48.4 Q#2= 794.4 Q#3= .0 Q#4= .0 Q#5= .01 I I 1 CONFLUENCE I I 1 I FOR POINT# I 1#1= 1.55 1#2= 1.33 1#3= .00 1#4= .00 1#5= .001 I I I Q= 836.1 I I 1 1 116.001 Q1 = 653.9 Q2 = 836.1 Q3 = .0 Q4 = .0 Q5 = .Ol----I----I-----!---------------I I I 1-------------[----1----1-------1----1----1-----1------1-----1-------1----1 I I 1 I I I 1-------------1----1----1-------1----1----1-----1836.11.018010= 87."124.615001 .31-----ln=.0130 On= 5.61 I I 1---------------------------------------------------------------------------------------------------------1 I 1 *DEVELOPMENT TYPES:l=COM,2=APT,3=MH,4=CONDO,5=SFC1/4-AC),6=SFC1/2-AC) SOIL TYPES:l=A,2=B,3=C,4=D,* I 1* 7=SFC1-AC),8=UNOEVCPOOR COV),9=UNOEVCFA!R COV),10=UNOEVCGOOD COV) 0,5=SPECIFIEO COEFFICIENT* 1 +-+----------...-.-.....----------------------------------------.------------------.-.-.--------------------+-+ '2-1. I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-LINE I I V +-+--..------------------------............---------------_.........-...._----------------------------------+-+ II II II II I 1--------------------------------------------------------------------------------------------------------- I I STUDY NAME: I CALCULATED BY: I I I CHECKED BY: 1 \ 10.0 YEAR STORM 1-HOUR RAINFALLCineh)= .89;INTENSITY SLOPE = .551 , PAGE NUMBER OF I I---------------------[A 0 V AN CEO EN GIN E E R I N G SO F T N A R El----------------------- I ICONCENTRATIONISOIL/DEV.I AREA 1 I I C I Q I Q ISLOPEISECTIONI V IPATHI T I Te I HYDRAULICS I I POINT NUMBERITYPEITYPEICACRESljin/hl ICSUB)I TOTALlft/ftl Ifps.1 ft.lmin.1 min.1 AND NOTES 1 1-------------1----1----1-------1----1----1-----1------\-----'-------1----1----1----1-----1--------------- I 1---- -- - ------1----1-- --1-------1----1- ---1-----1------1-----1-------1----1-- --1----1-----1-- -------- ----- 1 1-------------1----1----1-------1----1----1-----1 1.01261 I I 950114.61-----IINlTIAL SUBAREA I 1 1 128.001 4 I 5 I 3.811.931.8161 6.01------1-----1-------1----1----1----1 14.61---------------1 I 1-------------1----1----1-------1----1----1-----1 6.01.03331 streetl 5.51 8401 2.71-----I*Qavg= 6.8cfsl I I 44.ft STREET I I I 1 1 1 1 I I I 1 1 I IDn= .41 N= 7.71 I I flow to PT.#I 1 I I 1 1 1 1 I 1 1 I I I x-fall= .020001 1 I I 130.001 4 I 61 1.111.761.7911 1.51------1-----1-------1----1----1----117.31---------------1 1 I I 130.001 4 I 5 1 4.711.761.8091 6.71------\-----1-------\----1----1----1 17.31---------------1 1 1-------------1----1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1---------------1 1 1-------------1----\----1-------1----1----1-----1 1.01301 I 11000114.81-----IINlTIAL SUBAREA I I I 132.001 4 I 5 I 1.511.921.8151 2.31------1-----1-------1----1----1----1 14.81---------------1 I I-------------I----I----I-------!----I----I-----I 2.31.01771 street I 3.8112401 5.81-----I*Qavg= 3.5efsl I I 44.ft STREET I I I I I I I I I I I I I IDn= .36 N= 6.71 1 \ flow to PT .#1 I I I I I I I I I I I I I x-fall= .020001 I I 136.001 4 I 5 I 1.811.601.8021 2.31------1-----1-------1----1----1----120.71---------------1 1 1-- -- -- ----- --1- - --1-- --1-------1----1----1-----1------1- - - --1-- ---- -1----1----1----1-----1---------- -----I 1 I 136.001 I , 3.311.601 I 1 4.71 I I I I I 20.71 Stream SUIIIl8ryl I 1----------- --1-- --1----1-------1-- --I----I-----I------I-----I-------I----I----I----I-----!------- -- - -- ---I I 1-------------1----'----1-------1----1----1-----1 1.01691 1 I 830113.11-----IINlTIAL SUBAREA I I I 134.001 4 I 5 I 1.912.061.8201 3.21------1-----1-------1----1----1----1 13.11---------------1 1 1-------------1----1----1-------1----1----1-----1 3.21.02751 street I 4.11 6901 3.21-----I*Qavg= 4.7efsl 1140.ftSTREETI 1 I 11\ I I I I I 1 I IDn=.34N=11.61 I I flow to pT.#1 1 I I I 1 I 1 I I I \ I I X-fall= .017001 I I 136.001 4 I 5 I 2.011.831.8121 3.01------1-----1-------1----1----1----1 16.21---------------1 I 1-------------1-- --1-- --1-- -- - --1- ---1----1-----1------1-----1-------1----1----1----1--- --1-- -------------1 I I CONFLUENCE I TC#1= 20.7 TC#2= 16.2 TC#3= .0 TC#4= .0 TC#5= .01 I I I LARGEST I ! I ANALYSIS I Q#1= 4.7 Q#2= 6.2 Q#3= .0 Q#4= .0 Q#5= .01 I I I CONFLUENCE I I I FOR POINT# I 1#1= 1.60 1#2= 1.83 1#3= .00 1#4= .00 1#5= .001 I I I Q= 10.1 I II 136.00\ Q1 = 10.1 Q2 = 9.8 Q3 = .0 Q4 = .0 Q5 = .01----1----1-----1---------------1 I I-------------I----I----I-------!----I----I-----I------I-----I-------I----I I I I I I 1-------------1----1----1-------1----1----1-----1 10.11.03071 streetl 6.2114001 4.01-----I*Qavg= 11.gefsl I I 44.ft STREET I I I I I I I I I I I 1 I IDn= .51 N= 9.81 I I flow to PT.#I I I 1 I I I I I I I 1 I I X-fall= .020001 I 1 I. 124.001 4 I 5 I 3.211.451.7941 3.71------1-----1-------1----1----1----124.71---------------1 I II I I I I 1 I I I I I I I I I II 1 1---------------------------------------------------------------------------------------------------------1 I I *DEVELOPMENT TYPES:l=COM,2=APT,3=M",4=CONDO.5=SF{1/4-ACl,6=SF{1/2-AC) SOIL TYPES:l=A,2=B,3=C,4=O,* I 1* 7=SFC1-AC),8=UNDEVCPOOR COVl,9=UNDEVCFAIR COV),10=UNDEV{GOOO COY) O,5=SPECIFIED COEFFICIENT* 1 +-+---------------------------------------------------------------.-----------.......------------...--------+-+ z-~ I I I I I I I I I I I I I I I I I I I CUT PAPER ALONG OUTSIDE BORDER-liNE I I V +.+--.---..........---------------------------------------------------------------------------.-._----------+-+ II I II I II I II I 1 1-----------.------------...------------------------------------------------------------.-.-.---.--------- 1 I I STUDY NAME: I CALCULATED BY: 1 I I I CHECKED BY: I I I 10.0 YEAR STORM l-HOUR RAINFAll(ineh)= .89;INTENSITY SLOPE = .551 I PAGE NUMBER OF I I I--------.------------[A 0 V A N CEO EN GIN E E R I N G SO F T WAR EJ--------------------.-- I I ICONCENTRATlONISOILlOEV.1 AREA I I I C I Q I Q I SLOPE ISECTlOH I V IPATHI T 1 Te I HYDRAUlICS I I 1 POINT NUMBER I TYPE ITYPEI <ACRES) Iin/hl I<SUB)I TOTAllft/ftl Ifps.1 ft_lmin.1 min.1 AND NOTES I I 1---------- -- -1----1-- - -I _______1____ 1----1-----1------1-----1-. - ----1----1----1--- -1-----1--- ------------ I I 1----------..-1-..-1----1-------1----1----1--.--1------1-----1---.---1----1----1----1-----1-------....---- I 1 1 124.001 1 I 10.411.451 I I 13.71 I I I I I 24.71 Stream SlJTIIlBryl I I 1---------...-1----1-.--1-------1----1----1---.-1----.-1-----1-------1----1----1----1-...-1---------------1 I I I------------.I----!----I-------I----I----I-----I 1.01791 I I 780112.61'---'jINITJAl SUBAREA I 1 I I 116.30/ 4 I 5 I 4.412.101.8211 7.61------1-----1-------1----/----!----1 12.61---------------1 1 I 1-------.-----1----1----1-------1----1----1-.---1 7.61.01731 streetl 3.81 7501 3.51-----I'Qa.g= 9.5efsl 1 I 40.ft STREET I I I I I I I I I I I / I 10n= .44 W= 17.21 I I flow to PT.#I I 1 I I I I I I I I I I I X-fall= .017001 I I 124.001 4 I 5 I 2.511.831.8121 3.71------1-----1-------1----1----1----116.11----------.----1 1 1---.-------- -1----1-- --1-------1----1----1-----1------1-----1-------1----1- -- -1---'1-'-- -1-- -------------1 I 124.001 I I 6.911.831 I I 11.31 1 I I I 116.11 Stream SlJTIIlBryl 1-------- -- ---1--- -1----1-------1----1----1-----1------1-----1-------1---: 1----1- ---/-----1---- --------'---1 /_____________1____1____1_______1____1____1_____1 /.02111 1 1 760/12.11-----IINITJAL SUBAREA 1 I 120.001 4 I 5 I 4.612.151.8231 8.11------1-.---1-------1----1-.--1----' 12.11--------.------1 1--------.----1----1----/-------1----1----1-----1 8.11.01351 streetl 3.2/11101 6.21-----I'Qa.g= 10.7efsl I 40.ft STREET I I I I I I I I I I 1 I I !On= .38 W= 13.81 I flow to PT.#I I I I I I I I I I I I I 1 X-fall= .017001 I 122.001 4 I 5 1 3.711.711.8071 5.11------1-----1.------1---.1----1----118.21---------------1 I 122.001 41 51 4.911.711.8071 6.81---.--1-----1-------1----1----1---.118.21----------.----1 1--- -- -- --- ---1-- --1-- - -I- --- -- -I- ---1-- --1--- --I 20.01.021110= 21." 110 .31 190 I .31- --- -I n=. 0130 On= 1.31 /-------------1----1- .--/-------1----1----1-----1------1-----1-------1----1-- --1----1---- '1' ----------- ---I I CONFLUENCE I TC#l= 24.7 TC#2= 16.1 TC#3= 18.5 TC#4= .0 TC#5= .01 I 1 I lARGEST I I ANALYSIS I Q#l= 13.7 Q#2= 11.3 Q#3= 20.0 Q#4= .0 Q#5= .01 I 1 I CONFLUENCE I I FOR POINT# I 1#1= 1.45 1#2= 1.83 1#3= 1.70 1#4= .00 1#5= .001 I 1 I Q= 40.8 I 1 1 124.001 Ql = 39.8 Q2 = 37.7 03 = 40.8 04 = .0 Q5 = .01--.-1----1----.1---------------1 1-- --- - -- --- -- 1-- -- I --- -I-- -- -- -I-- . -I-- -- I -- -- -I- -- -- - 1--- -- 1--- --- -I- --- I I I I I /-------------1----1----1-------1----1----1-----1 40.81.016710. 30."111.41 601 .11-----ln=.0130 On= 1.71 1 I-------------I----I----I--..--.I----I----I.----I------I-----I---.---!----I----1----1-----1---------------1 I I---------.---I----I----!---.---I----I----!-----I /.01281 I !1800I18.81-----jINITJAl SUBAREA I I 1 501.001 4 I 5/ 7.0/1.681.8061 9.5/------1-----1-------1----1----1----118.81---------------1 I /---..--..----1----1----1-------1----1----1-..--1----..I-----I-----.-I----I----!-...!-----I-------------..! 1 I 501.001 I I 7.0/1.681 I I 9.51 I I I I 1 18.81 Stream SlJTIIlBryl 1 1-------------1-.--1----1-------1----1----1-----1------1-----1-------1----1----1----1-----1---------------1 II 1 I I I I I I I I I I I I I I II 1 1 1 1 1 1 1 1 I I I I 1 I I I 1-----..-----.---------..---------------...------------.---------------------.------.-----------...-------, I *DEVELOPMENT TYPES:1=COM,2=APT,3=MH,4=CONDO,5=SF(1/4-AC>,6=SF(1/2-AC) SOIL TYPES:1=A,2=B,3=C,4=D,* I' 7=SF(1-AC>,8=UNOEV(POOR COV),9'UNOEV(FAIR COV),10=UNOEV(GOOD COY) O,5=SPECIFIEO COEFFICIENT' +-+--..------------------..---.-----------...------......----.-...--...........------.....------......------+-+ z"o... I I I I I I I I I I I I I I I I I I I ============================================================================ RATIONAL METHOO HYDROLOGY COMPUTER PROGRAM BASED ON RIVERSIDE COUNTY FLOOD CONTROL & ~ATER CONSERVATION DISTRICT (RCFC&~CD) 1978 HYDROLOGY MANUAL ============================================================================ <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (C) Copyright 1982_ 1986 Advanced Engineering Software [AES] Especially prepared for: R08ERT BEIN, ~ILLIAM FROST & ASSOCIATES <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> USER SPECIFIED HYDROLOGY AND HYDRAULIC MOOEL INFORMATION: USER SPECIF!ED STORM EVENT(YEAR) = 10.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .90 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.360 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = .880 100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) 3.600 100-YEAR STORM 60'MINUTE INTENSITY(INCH/HOUR) = 1.400 SLOPE OF 10.YEAR INTENSITY-DURATION CURVE = .5505732 SLOPE OF 100'YEAR INTENSITY-DURATION CURVE = .5271139 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 10.00 l-HOUR INTENSITY(INCH/HOUR) .8888 SLOPE OF INTENSITY DURATION CURVE = .5506 RCFC&~CD HYDROLOGY MANUAL "C"'VALUES USED <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Advanced Engineering Software [AES] SERIAL No. 100981 VER. 3.3C RELEASE DATE: 2/20/86 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ..*************************************...*.....*.************************** FLOW PROCESS FROM NOOE 100.10 TO NOOE 100.00 IS COOE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM ,DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1232.00 DOWNSTREAM ELEVATION = 1217.00 ELEVATION DIFFERENCE = 15.00 TC = .393*[( 1000.00**3)/( 15.00)]**.2 = 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = SOIL CLASSIFICATION IS "Oil 14.412 1.949 ;P I I I I I I I I I I I I I I I I I I I SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8164 SUBAREA RUNOFFCCFS) = 3.02 TOTAL AREACACRES) = 1.90 TOTAL RUNOFFCCFS) = 3.02 ***********************************************************.**.........***** FLOW PROCESS FROM NODE 100.00 TO NODE 100.00 IS CODE = >>>>>DEstGNATE INOEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USEO FOR INOEPENOENT STREAM 1 ARE: TIME OF CONCENTRATIONCMINUTES) = 14.41 RAINFALL INTENSITY (INCH./HOUR) = 1.95 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.02 **.******************....*************************************************** FLOW PROCESS FROM NODE 100.20 TO NODE 100.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ============================================================================ ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY C1/4 ACRE) TC = K*[CLENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW' LENGTH = 850.00 UPSTREAM ELEVATION = 1229.00 DOWNSTREAM ELEVATION = 1217.00 ELEVATION DIFFERENCE = 12.00 TC = .393*[( 850.00**3)/C 12.00)]**.2 = 13.670 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.007 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8184 SUBAREA RUNOFF(CFS) = 7.39 TOTAL AREACACRES) = 4.50 TOTAL RUNOFF(CFS) = 7.39 *****************************.********************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 100.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.67 RAINFALL INTENSITY (lNCH./HOUR) = 2.01 TOTAL STREAM AREA (ACRES) = 4.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.39 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) CMIN.) INTENSITY (lNCH/HOUR) 1 2 1.949 2.007 3.02 7.39 14.41 13.67 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.20 10.26 ~\ I I I I I I I I I I I I I I I I I I I COMPUTED CONFLUENCE ESTIMATES ARE AS FOllOWS: RUNOFF(CFS) = 10.26 TIME(MINUTES) = 13.670 TOTAL AREACACRES) = 6.40 .........**.*******..****.....**....****.****.........*******..*******..**** FLOW PROCESS FROM NODE 100.00 TO NODE 102.00 IS CODE = 6 >>>>>COMPUTE STREETFL~ TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET lENGTH(FEET) = STREET HAlFWIOTH(FEET) 1217.00 300.00 = 20.00 DOWNSTREAM ELEVATION = CURB HEIGTHCINCHES) = 6. 1211.00 DISTANCE FROM CROWN TO CROSS FALL GRAOEBREAK = 18.00 INTERIOR STREET CROSSFALL(OECIMAL) = .017 OUTSIOE STREET CROSSFALLCOECIMAL) = .050 SPECIFIEO NUMBER OF HAlFSTREETS CARRYING RUNOFF = ""TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.41 STREET FLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOOOWIOTH(FEET) = 17.19 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.91 PRODUCT OF OEPTH&VELOCITY = 1.72 STREETFLOW TRAVELTIMECMIN) = 1.28 TC(MIN) = 14.95 10.00 YEAR RAINFAll INTENSITY(INCH/HOUR) = 1.910 SOIL CLASSIFICATION IS "011 SINGlE-FAHILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8151 SUBAREA AREA(ACRES) = .20 SUBAREA RUNOFFCCFS) = SUMMED AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) = ENO OF SUBAREA STREET FLOW HYORAUlICS: DEPTHCFEET) = .44 HAlFSTREET FlOOOWIDTH(FEET) = 17.19 FLOW VElOCITY(FEET/SEC.) = 3.97 OEPTH"VElOCITY = 1.75 .31 10.57 ***********...*...**.*.*.......**************.**********************.......* FLOW PROCESS FROM NODE 102.10 TO NODE 102.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 10.00 YEAR RAINFALL INTENSITY(INCN/HOUR) = 1.910 SOIL CLASSIFICATION IS "Oil SINGlE-FAMIlYC1/4 ACRE lOT) RUNOFF COEFFICIENT = .B151 SUBAREA AREACACRES) = 4.20 SUBAREA RUNOFF(CFS) = 6.54 TOTAL AREA(ACRES) = 10.80 TOTAL RUNOFF(CFS) = 17.11 TC(MIN) = 14.95 **************************************************************************** FLOW PROCESS FROM NODE 102.30 TO NODE 102.00 IS CODE = 8 >>>>>AOOITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.910 SOIL CLASSIFICATION IS 110" SINGlE-FAMILY(1/4 ACRE lOT) RUNOFF COEFFICIENT = .8151 SUBAREA AREACACRES) = 1.80 SUBAREA RUNOFF(CFS) = 2.80 ~'V I I, I , I I I I I I I I I I I I I I I TOTAL AREACACRES) = 12.60 TOTAL RUNOFFCCFS) = 19.91 TCCMIN) = 14.95 ***********......****************....***.***...*.***********...**.********** FLOW PROCESS FROM NooE 102.00 TO NooE 104.00 IS CooE = 3 -----......-----...---------------....----------------------------.-.---..-- >>>>>COMPUTE PIPE FLOW TRAVELTIME THRU 5UBAREA<<<<< >>>>>USING COMPUTER-eSTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- OEPTH OF FLOW IN 24.0 INCH PIPE IS 16.7 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 8.5 UPSTREAM NooE ELEVATION = 1211.00 OOWNSTREAM NooE ELEVATION = 1209.00 FLOWLENGTHCFEET) = 160.00 MANNINGS N = ESTIMATED PIPE DIAMETERCINCH) = 24.00 PIPE FLOW THRU SUBAREA(CFS) = 19.91 TRAVEL TIMECMIN.) = .31 TCCMIN.) = 15.26 .013 NUMBER OF PIPES ******.*****....**...******..**....*.**............***...******************* FLOW PROCESS FROM NooE 104.10 TO NooE 104.00 IS CooE = 8 --------------_......------------_.-----_...._.----_.~...-......._---_._~..- >>>>>AOOITION OF SUBAREA TO HAINLINE PEAK FlOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.889 SOil CLASSIFICATION IS 110" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8143 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFFCCFS) = 8.61 TOTAL AREACACRES) = 18.20 TOTAL RUNOFFCCFS) = 28.52 TCIMIN) = 15.26 **************************************************************************** FLOW PROCESS FROM NODE 106.10 TO NooE 106.00 IS CooE = 2 --......_-~------_.._----_..._..._---------------------.---------------.-.-- >>>>>RATIONAl METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/CELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 945.00 UPSTREAM ELEVATION = 1220.00 DOWNSTREAM ELEVATION = 1196.00 ELEVATION DIFFERENCE = 24.00 TC = .393*[( 945.00**3)/( 24.00)]**.2 = 12.681 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.091 SOIL CLASSIFICATION IS "D" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .8211 SUBAREA RUNOFF(CFS) = 5.15 TOTAL AREA(ACRES) = 3.00 TOTAL RUNOFFCCFS) = 5.15 **************************************************************************** FLOW PROCESS FROM NooE 106.00 TO NooE 108.00 IS CooE = 6 .---_._-------------_.._-_......_~._------_._-_....._.._~-----------_...._-- >>>>>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = STREET LENGTH(FEET) = 1195.00 500.00 OOWNSTREAM ELEVATION = 1189.00 CURB HEIGTHCINCHES) = 6. ?7 I I I I I I I I I I I I I I I I I I I STREET HALFWIDTHCFEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 1B.DD INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DEClNAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ""TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = 10.84 STREET FLOW MODEL RESULTS: STREET FLOWOEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 14.94 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.65 PRODUCT OF DEPTH&VELOCITY = 1.06 STREETFLOW TRAVELTIMECMIN) = 3.15 TC(MIN) = 15.83 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.851 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8129 SUBAREA AREACACRES) = 7.50 SUBAREA RUNOFFCCFS) = SUMMED AREACACRES) = 10.50 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 17.19 FLOW VELOCITY(FEET/SEC.) = 3.09 DEPTH"VELOCITY = 1.36 11.29 16.44 ***********.*********.*....************************************....********* FLOW PROCESS FROM NODE 108.00 TO NODE 110.00 IS CODE = 6 >>>>>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1189.00 STREET LENGTHCFEET) = 675.00 STREET HALFWIDTHCFEET) = 20.00 DOWNSTREAM ELEVATION = 1182.50 CURB HEIGTH(INCHES) = 6. DISTANCE FROM CROWN TO CROSSFALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 --TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = 19.08 STREET FLOW MODEL RESULTS: STREET FLOWOEPTH(FEET) = .48 HALFSTREET FLOODWIDTH(FEET) = 19.44 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.84 PRODUCT OF DEPTH&VELOCITY = 1.36 STREETFLOW TRAVELTIME(MIN) = 3.97 TCCMIN) = 19.79 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.637 SOIL CLASSIFICATION IS liD" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .8039 SUBAREA AREACACRES) = 4.00 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 14.50 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 2.90 DEPTH"VELOCITY = 1.44 5.26 21. 70 ..********......*****......****.....******.........**************.....****** 7J>t I I I I I I I I I II I I I I I I I I I FLOW PROCESS FROM NODE 110.10 TO NODE 110.00 IS CODE = 8 ----..----....----.---------------------------------...--------------.------- >>>>>ADDITION OF .SUBAREA TO MAINLINE PEAl( FLOW<<<<< ============================================================================ 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.637 SOIL CLASSIFICATION IS 11011 SINGLE-FAIIILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8039 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFFCCFS) = 6.18 TOTAL AREACACRES) 19.20 TOTAL RUNOFF(CFS) = 27.88 TC(MIN) = 19.79 *..***......**************.*****..**.......***..**************.**........... FLOW PROCESS FROM NODE 110.00 TO NODE 114.00 IS CODE = ---------....-------------.......-----........------------------------------ >>>>>OESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.79 RAINFALL INTENSITY (INCH./HOUR) = 1.64 TOTAL STREAM AREA (ACRES) = 19.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 27.88 ***********................................................................. FLOW PROCESS FROM NODE 112.10 TO NODE 112.00 IS CODE = 2 ......-..---.-........--------......---------...---------.-----------..----- >>>>>RATIONAl METHOD INITIAL SUBAREA ANAlYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K'[(LENGTH"3)/(ELEVATION CHANGE)]".2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1232.00 DOWNSTREAM ELEVATION = 1217.00 ELEVATION DIFFERENCE = 15.00 TC = .393'[( 1000.00"3)/( 15.00)]".2 = 14.412 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.949 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8164 SUBAREA RUNOFF(CFS) = 3.02 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 3.02 .........***.*.*........*.*...*****..***********..***********..*............ FLOW PROCESS FROM NODE 112.00 TO NODE 112.20 IS CODE = 6 >>>>>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEETl 1217.00 500.00 = 20.00 OOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1204.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.00 INTERIOR STREET CROSSFALL(OECIMAL) = .017 OUTSIOE STREET CROSSFALL(DECIMAL) = _050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = :;~ "TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.05 I I I I I I I I II I I I I I I I I I I STREETFL~ MODEL RESULTS: STREET FLOWDEPTHCFEET) = .32 HALFSTREET FLOOOWIDTH(FEET) = 10.44 AVERAGE FL~ VELOCITY(FEET/SEC.) = 3.76 PRODUCT OF DEPTH&VELOCITY = 1.22 STREETFL~ TRAVELTIME(MIN) = 2.22 TCCMIN) = 16.63 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.802 SOIL CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8110 SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNOFF(CFS) = SUMMED AREACACRES) = 3.30 TOTAL RUNOFFCCFS) = END OF SUBAREA STREETFL~ HYDRAULICS: DEPTH(FEET) = .34 HALFSTREET FLOOOWIDTH(FEET) = 11.56 FL~ VELOCITY(FEET/SEC.) = 3.94 DEPTH"VELOCITY = 1.35 2.05 5.07 *.*.************************************************************************ FL~ PROCESS FROM NODE 112.30 TO NODE 112.20 IS CODE = 8 ----...---.----------.-------..----------...........---------.._--------.._- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.802 SOIL CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8110 SUBAREA AREA(ACRES) = 4.50 SUBAREA RUNOFF(CFS) = 6.57 TOTAL AREA(ACRES) = 7.80 TOTAL RUNOFFCCFS) = 11.64 TC(MIN) = 16.63 .*.****************************.********************************.*********** FL~ PROCESS FROM NDOE 112.20 TO NDOE 114.00 IS CODE = 6 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = 1204.00 STREET LENGTH(FEET) = 1150.00 STREET HALFWIDTH(FEET) = 20.00 D~NSTREAM ELEVATION = 1182.00 CURB HEIGTH(INCHES) = 6. DISTANCE FROM CR~N TO CROSSFALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALLCDECIMAL) = .017 OUTSIDE STREET CROSSFALLCDECIMALl = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ""TRAVELTIME COMPUTED USING MEAN FL~CCFS) = 15.27 STREETFL~ MODEL RESULTS: STREET FLOWDEPTH(FEET) = _40 HALFSTREET FLOOOWIDTH(FEET) = 14.94 AVERAGE FL~ VELOCITY(FEET/SEC.) = 3.73 PRODUCT OF DEPTH&VELOCITY = 1.50 STREETFL~ TRAVELTIME(MIN) = 5.14 TC(MIN) = 21.77 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.553 SOIL CLASSIFICATION IS "Oil SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7999 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 13.60 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFL~ HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOOOWIDTH(FEET) = 16.06 7.21 18.85 ?JP I I I I I I I I I I I I I I I I I I I FLOW VELOCITY(FEET/SEC.) = 4.02 OEPTH'VELOCITY = 1.69 ****....***.************.****.**************.***......********************** FLOW PROCESS FROM NOOE 114.10 TO NOOE 114.00 IS COOE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ============================================================================ 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.553 SOIL CLASSIFICATION IS 11011 SINGLE-FAHILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7999 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 3.11 TOTAL AREA(ACRES) = 16.10 TOTAL RUNOFF(CFS) = 21.96 TC(MIN) = 21. n ********************..***********..****************************.....******** FLOW PROCESS FROM NOOE 114.00 TO NOOE 110.00 IS COOE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFlUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USEO FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.77 RAINFALL INTENSITY (INCH./HOUR) = 1.55 TOTAL STREAM AREA (ACRES) = 16.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUEHCE 21.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 1 2 27.88 21.96 1.637 1.553 19.79 21.n RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&~CD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 47.85 48.42 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 48.42 TIME(MINUTES) = 21.767 TOTAL AREA(ACRES) = 35.30 **************************************************************************** FLOW PROCESS FROM NOOE 114.00 TO NODE 116.00 IS COOE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.1 UPSTREAM NOOE ELEVATION = 1182.00 DOWNSTREAM NODE ELEVATION = 1166.50 FLOWLENGTH(FEET) = 180.00 MANNINGS N ESTIHATEO PIPE DIAMETER(INCH) = 24.00 PIPEFLOW THRU SUBAREA(CFS) = 48.42 TRAVEL TIME(MIN.) = .14 TC(HIN.) = 21.90 .013 NUHBER OF PIPES = '7" I I I I I I I I I I I I I I I I I I I **********........********.**.*******....................******************* FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ============================================================================ CONFLUENCE VALUES USEO FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.90 RAINFALL INTENSITY (INCH./HOUR) = 1.55 TOTAL STREAM AREA (ACRES) = 35.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE 48.42 .................******************.***......********************....**..... FLOW PROCESS FROM NODE 47.00 TO NODE 47.00 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NOOE<<<<< ============================================================================ USER.SPECIFIED VALUES ARE AS FOLLOWS: TCCMIN) = 28.10 RAIN INTENSITYCINCH/HOUR) = 1.35 TOTAL AREA(ACRES) = 379.10 TOTAL RUNOFF(CFS) = 794.40 ....****.*............***.*********...*****.******************************** FLOW PROCESS FROM NODE 47.00 TO NODE 116.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER.ESTIMATEO PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 114.0 INCH PIPE IS 87.5 PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NOOE ELEVATION = 1168.50 DOWNSTREAM NOOE ELEVATION = 1166.50 FLOWLENGTH(FEET) = 520.00 MANNINGS N = ESTIMATED PIPE DIAMETER(INCH) = 114.00 PIPE FLOW THRU SUBAREA(CFS) = 794.40 TRAVEL TIMECMIN.) = .64 TCCMIN.) = INCHES .013 NUMBER OF PIPES = 28.74 ......................................................********************** FLOW PROCESS FROM NOOE 116.00 TO NODE 116.00 IS COOE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INOEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 28.74 RAINFALL INTENSITY CINCH./HOUR) = 1.33 TOTAL STREAM AREA CACRES) = 379.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 794.40 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENS ITY (INCH/HOUR) 1 2 48.42 794.40 21.90 28.74 1. 548 1. 333 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 70 I I I I I I I I I I I I I I I I I I I 653.90 836.09 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 836.09 TIME(MINUTES) = 28.737 TOTAL AREA(ACRES) = 414.40 ************.*************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 118.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER~ESTIMATED PIPESIZE (NON-PRESSURE FlOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 87.0 INCH PIPE IS 66.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 1166.50 DOWNSTREAM NODE ELEVATION = 1157.50 FLOWLENGTH(FEET) = 500.00 MANNINGS N = ESTIMATED PIPE DIAMETER(INCH) = 87.00 PIPEFLOW THRU SUBAREA(CFS) = 836.09 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 29.08 .013 NUMBER OF PIPES = ********.***************...*************************..***********..********* FLOW PROCESS FROM NODE 128.10 TO NODE 128.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K'[(LENGTH"3)/(ELEVATION CHANGE)J".2 INITIAL SUBAREA FL~-LENGTH = 950.00 UPSTREAM ELEVATION = 1181.00 DOWNSTREAM ELEVATION = 1169.00 ELEVATION DIFFERENCE = 12.00 TC = .393'[( 950.00"3)/( 12.00)J".2 = 14.613 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.934 SOil CLASSIFICATION IS "011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8159 SUBAREA RUNOFF(CFS) = 6.00 TOTAL AREA(ACRES) = 3.80 TOTAL RUNOFF(CFS) = 6.00 **************************************************************************** FLOW PROCESS FROM NODE 128.00 TO NODE 130.00 IS CODE = 6 >>>>>CQMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1169.00 STREET LENGTH(FEET) = 840.00 STREET HALFWIOTH(FEET) = 22.00 DOWNSTREAM ELEVATION = 1141.00 CURB HEIGTH(INCHES) = 6. DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(OECIMAL) = .020 OUTSIDE STREET CROSSFALL(OECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = "TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOW MODEL RESULTS: STREET FLOWOEPTN(FEET) = .41 6.77 ~o.. I I I I I I I I I I I I I I I I I I I HALFSTREET FLOOOWIDTH(FEET) = 7.74 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.23 PRODUCT OF DEPTH&VELOCITY = 2.12 STREET FLOW TRAVELTIHE(HIN) = 2.68 TC(HIN) = 17.29 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.763 SOIL CLASSIFICATION IS "0'1 SINGLE-FAHILY(1/2 ACRE LOT) RUNOFF COEFFICIENT = .7913 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) SUMMED AREA(ACRES) = 4.90 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOOOWIDTH(FEET) = 8.01 FLOW VELOCITY(FEET/SEC.) = 5.47 DEPTH*VELOCITY = 2.28 1.53 7.53 *****************************************************************..********* FLOW PROCESS FROM NODE 130.10 TO NODE 130.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FlOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.763 SOIL CLASSIFICATION IS 11011 SINGLE'FAHILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8094 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF(CFS) = 6.71 TOTAL AREA(ACRES) = 9.60 TOTAL RUNOFF(CFS) = 14.24 TC(HIN) = 17.29 ************************************************...************************* FLOW PROCESS FROM NODE 132.10 TO NODE 132.00 IS CODE = 2 >>>>>RATIONAL HETHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUHED INITIAL SUBAREA UNIFDRH DEVELOPMENT IS SINGLE FAHILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATIDN CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAH ELEVATION = 1235.00 DOWNSTREAH ELEVATION = 1222.00 ELEVATION DIFFERENCE = 13.00 TC = .393*[( 1000.00**3)/( 13.00)]**.2 14.831 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.919 SOIL CLASSIFICATION IS 11011 SINGLE'FAHILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8154 SUBAREA RUNOFF(CFS) = 2.35 TOTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 2.35 **************************************************************************** FLOW PROCESS FROM NODE 132.00 TO NODE 136.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = STREET LENGTH(FEET) = STREET HALFWIDTH(FEET) 1222.00 1240.00 = 22.00 DOWNSTREAH ELEVATION = CURB HEIGTH(INCHES) = 6. 1200.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIHAL) = .020 OUTSIDE STREET CRDSSFALL(DECIHAL) = .040 1>..0 I I I I I I I I I I I I I I I I I I I SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.50 STREETFLOW MODEL RESULTS: STREET FLOWOEPTH(FEET) = .36 HALFSTREET FLOOOWIDTH(FEET) = 6.68 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.54 PRODUCT OF DEPTH&VELOCITY = 1.29 STREET FLOW TRAVELTIME(MIN) = 5.83 TC(MIN) = 20.66 10.00 YEAR RAINFALL INTENSITY(INCH/HCUR) = 1.59B SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8021 SUBAREA AREA(ACRES) = 1.80 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 3.30 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOOOWIDTH(FEET) FLOW VELOCITY(FEET/SEC.) = 3.84 DEPTH*VELOCITY = 2.31 4.65 7.48 1.52 ***........************.....***********************************.********.... FLOW PROCESS FROM NODE 136.00 TO NODE 136.00 IS CODE = ------------........-------------------------------------------------------- >>>>>DEStGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.66 RAINFALL INTENSITY (INCH./HCUR) = 1.60 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.65 ...**.*.*....********..*.*************************************************** FLOW PROCESS FROM NODE 134.10 TO NODE 134.00 IS CODE = 2 ------.._._----------._~~........_-~-------_..~._----------..~._------~-~..- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW. LENGTH = 830.00 UPSTREAM ELEVATION = 1233.00 DOWNSTREAM ELEVATION = 1219.00 ELEVATION DIFFERENCE = 14.00 TC = .393*[( 830.00**3)/( 14.00)]**.2 = 13.067 10.00 YEAR RAINFALL INTENSITY(INCH/HCUR) = 2.057 SOIL CLASSIFICATION IS "DII SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8201 SUBAREA RUNOFF(CFS) = 3.21 TOTAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = 3.21 ...........................................*............*................... FLOW PROCESS FROM NODE 134.00 TO NODE 136.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = STREET LENGTH(FEET) = 1219.00 690.00 DOWNSTREAM ELEVATION = 1200.00 CURB HEIGTH(INCHES) = 6. A\ I I I I I I I I I I I I I ,I I I I I I STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSS FALL GRADE BREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 "TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.70 STREET FLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 11.56 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.65 PRODUCT OF DEPTH&VELOCITY = 1.25 STREETFLOW TRAVELTIME(MIN) = 3.15 TC(MIN) = 16.22 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.826 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8119 SUBAREA AREA(ACRES) = 2.00 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 3.90 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 12.69 FLOW VELOCITY(FEET/SEC.) = 4.06 DEPTH'VELDCITY = 1.47 2.97 6.17 **************************************************************************** FLOW PROCESS FROM NODE 136.00 TO NODE 136.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFlUENCED STREAM VAlUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 16.22 RAINFALL INTENSITY (INCH./HOUR) = 1.83 TOTAL STREAM AREA (ACRES) = 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 ARE: 6.17 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (I NCH/HOUR) 1 2 20.66 16.22 1. 598 1.826 4.65 6.17 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCD) USED FOR 2 STREAMS. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.05 9.82 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 10.05 TIME(MINUTES) = 20.664 TOTAL AREA(ACRES) = 7.20 *************.*.************************************************************ FLOW PROCESS FROM NODE 136.00 TO NODE 124.00 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = 1197.00 DOWNSTREAM ELEVATION = 1154.00 1>.,1-- I 1- I I I I I I '1 I I I I I I I I I I STREET LENGTH(FEET) = 1400.00 CURB HEIGTH(INCHES) = B. STREET HALFWIDTH(FEET) = 22.00 DISTANCE FROM CROWN TO CROSS FALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIKAL) = .020 OUTSIDE STREET CROSSFALL(DECIKAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.90 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .51 HALFSTREET FLOOOWIDTH(FEET) = 9.75 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.80 PRODUCT OF DEPTH&VELOCITY = 2.95 STREET FLOW TRAVELTIME(MIN) = 4.02 TC(MIN) = 24.68 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.449 SOIL CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .7944 SUBAREA AREA(ACRES) = 3.20 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 10.40 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .53 HALFSTREET FLOOOWIDTH(FEET) = 10.38 FLOW VELOCITY(FEET/SEC.) = 6.17 DEPTH*VELOCITY = 3.25 3.68 13.74 .**********......***.****...............****.************................... FLOW PROCESS FROM NODE 124.00 TO NODE 124.00 IS CODE = >>>>>OESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.68 RAINFALL INTENSITY (INCH./HOUR) = 1.45 TOTAL STREAM AREA (ACRES) = 10.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.74 ........******......********.....*..***..***********..*****................. FLOW PROCESS FROM NODE 116.10 TO NODE 116.30 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANAlY$IS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2 INITIAL SUBAREA FLOW-LENGTH = 780.00 UPSTREAM ELEVATION = 1181.00 DOWNSTREAM ELEVATION = 1167.00 ELEVATION DIFFERENCE = 14.00 TC = .393*[( 780.00**3)/( 14.00)]**.2 = 12.589 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.100 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8214 SUBAREA RUNOFF(CFS) = 7.59 TOTAL AREA(ACRES) = 4.40 TOTAL RUNOFF(CFS) = 7.59 **************************************************************************** A~ I ~ I I I I I I I I I I I I I I I I I I FLOW PROCESS FROM NODE 116.10 TO NODE 124.00 IS COOE = 6 >>>>>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA<<<<< ============================================================================ UPSTREAM ELEVATION = 1167.00 STREET LENGTH(FEET) = 750.00 STREET HALFWIDTH(FEET) = 20.00 DOWNSTREAM ELEVATION = 1154.00 guRB HEIGTH(INCHES) = 6. DISTANCE FROM CROWN TO CROSSFALL GRADE BREAK = lB.DD INTERIOR STREET CROSSFALL(DEClMAL) = .017 OUTSIDE STREET CRDSSFALL(DEClMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 ""TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.46 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOOOWIDTH(FEET) = 17.19 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.55 PRODUCT OF DEPTH&VELOCITY = 1.56 STREET FLOW TRAVELTIME(MIN) = 3.52 TC(MIN) = 16.11 10.00 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.833 SOIL CLASSIFICATION IS liD" SINGLE.FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8122 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 6.90 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .46 HALFSTREET FLOOOWIDTH(FEET) = 18.31 FLOW VELOCITY(FEET/SEC.) = 3.77 DEPTH"VELDCITY = 1.73 3.72 11.31 *************.............*............**..***....********.*****............ FLOW PROCESS FROM NODE 124.00 TO NODE 124.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 16.11 RAINFALL INTENSITY (INCH./HOUR) = 1.83 TOTAL STREAM AREA (ACRES) = 6.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.31 ..******.**.....**********.******.*******************************..****....* FLOW PROCESS FROM NODE 120.10 TO NODE 120.00 IS CODE = 2 >>>>>RATJONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY (1/4 ACRE) TC = K"[(LENGTW""3)/(ELEVATION CWANGE)]"".2 INITIAL SUBAREA FLOW. LENGTH = 760.00 UPSTREAM ELEVATION = 1188.00 DOWNSTREAM ELEVATION = 1172.00 ELEVATIOH DIFFERENCE = 16.00 TC = .393"[( 760.00""3)/( 16.00)]"".2 = 12.067 10.00 YEAR RAINFALL INTENSITY(INCH/WOUR) = 2.149 SOIL CLASSIFICATION IS "0" SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8229 M I I I I I I I I I I I I I I I I I I I SUBAREA RUNOff(CfS) = TOTAL AREA(ACRES) = B.14 4.60 TOTAL RUNOfFCCFS) = 8.14 .......****************************************************.*.****.*.******* FLOW PROCESS fROM NODE 120.00 TO NODE 122.00 IS CODE = 6 >>>>>COMPUTE STREET FLOW TRAVELTIME THRU 5UBAREA<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- UPSTREAM ELEVATION = STREET LENGTHCFEET) = STREET HALFWIDTH(fEET) 1172.00 1110.00 = 20.00 DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. 1157.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .017 OUTSIDE STREET CROSSFALL(DECIMAL) = .050 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ..TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.65 STREET fLOW MODEL RESULTS: STREET FLOWDEPTHCFEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 13.81 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.01 PRODUCT OF DEPTH&VELOCITY = 1.15 STREET FLOW TRAVELTIMECMIN) = 6.15 TC(MIN) = 18.22 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.713 SOil CLASSIFICATION IS 11011 SINGLE-FAMILY(1/4 ACRE LOT) RUNOFF COEFFICIENT = .8073 SUBAREA AREA(ACRES) = 3.70 SUBAREA RUNOffCCfS) SUMMED AREA(ACRES) = 8.30 TOTAL RUNDFF(CFS) = END OF SUBAREA STREET FLOW HYDRAULICS: DEPTHCFEET) = .40 HALFSTREET FLOODWIDTHCFEET) = 14.94 fLOW VELOCITY(fEET/SEC.) = 3.24 DEPTH.VELDCITY = 1.30 5.12 13.25 **************************************************************************** FLOW PROCESS FROM NODE 122.10 TO NODE 122.00 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.713 SOIL CLASSIFICATION IS "0" SINGLE-FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .8073 SUBAREA AREACACRES) = 4.90 SUBAREA RUNOFFCCFS) = 6.78 TOTAL AREACACRES) = 13.20 TOTAL RUNOFFCCFS) = 20.03 TCCMIN) = 18.22 ****.**----_..__._----*-*--_._._._*-*_._*----**---*.*-._*----**-_.*.******** FLOW PROCESS FROM NODE 122.00 TO NODE 124.00 IS CODE = 3 >>>>>COHPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.8 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1157.00 DOWNSTREAM NODE ELEVATION = 1153.00 ~-5 I I I I I I I I I I I I I I I I I I I FLOWLENGTH(FEET) = 190.00 MANNINGS N ESTIMATED PIPE OIAMETER(INCH) = 21.00 PIPEFLOW THRU SUBAREA(CFS) = 20.03 TRAVEL TIME(MIN.) = .31 TC(MIN.) = = .013 NUMBER OF PIPES = 18.53 ***************************.....*...*****.............********************** FLOW PROCESS FROM NODE 124.00 TO NODE 124.00 IS CODE = >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 18.53 RAINFALL INTENSITY (INCH./HOUR) = 1.70 TOTAL STREAM AREA (ACRES) = 13.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.03 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY (INCH/HOUR) 1 2 3 13.74 11.31 20.03 1.449 1.833 1. 697 24.68 16.11 18.53 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO FORMULA(RCFC&WCO) USED FOR 3 STREAMS. VARIOUS CONFLUENCEO RUNOFF VALUES ARE AS FOLLOWS: 39.78 37.69 40.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOllOWS: RUNOFF(CFS) = 40.81 TIME(MINUTES) = 18.529 TOTAL AREA(ACRES) = 30.50 .*..*....*.*.***************..************************..******.............. FLOW PROCESS FROM NODE 124.00 TO NODE 126.00 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER' ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 1154.00 DOWNSTREAM NODE ELEVATION = 1153.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 ESTIMATED PIPE OIAMETER(INCH) = 30.00 NUMBER OF PIPES = PIPE FLOW THRU SUBAREA(CFS) = 40.81 TRAVEL TIME(MIN.) = .09 TC(MIN.) = 18.62 ============================================================================ END OF RATIONAL METHOD ANALYSIS b,(p I I I I I I I I I I I I I I I I I I I *****************************................************.***********..***** FLOW PROCESS FROM NODE 500.00 TO NODE 501.00 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- ASSUMED INITIAL SUBAREA UNIFORM DEVELOPMENT IS SINGLE FAMILY Cl/4 ACRE) TC = K*[CLENGTH**3)/(ELEVATION CHANGE))**.2 INITIAL SUBAREA FLOW-LENGTH = 1800.00 UPSTREAM ELEVATION = 1220.00 DOWNSTREAM ELEVATION = 1197.00 ELEVATION DIFFERENCE = 23.00 TC = .393*[( 1800.00**3)/C 23.00))**.2 = 18.826 10.00 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.682 SOIL ClASSIFICATION IS "011 SINGLE.FAMILYC1/4 ACRE LOT) RUNOFF COEFFICIENT = .8060 SUBAREA RUNOFFCCFS) = 9.49 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFFCCFS) = 9.49 ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- END OF RATIONAL METHOD ANALYSIS A,~ I I I I I I I I I' I I I II I I I I I I For the water surface profile calculations, the WSPG program based on the Los Angeles County methodology was used. 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