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HomeMy WebLinkAboutMiscellaneous (2)~ ~ `~ , . ~, DRAINAGE AI~AI~YSIS ~---; ,, ~_~ WOQDGREEN SECTION SLX F i ,, ` _ NTRODLTGTIaN e The prOpo ed project is a: 1::9.818 acre new section in the WDOD~REEK SUBDIVISION located in Southeast college Station.- The ! ~ ,~ ~ ~ ~~ro~ eft eons ~ sts o f two l onq cul de s ac streets ~ and the requi red ;~ ,~ ~; ~ utlity and drainage infrastructure for re~idential_ development. ~~ _. ~ sITE LocATIONe ~~ , The specific lacatian of th proposed section is between ~--~-~ Lakeside court and Stonebridge Drive on Woodcreek Drive in the ~ WoODCREEK STJBDI~TI~ION. The site bounded by WOODCREEI~ SECTIC?N ~ ONE tea the East, Waodcreek Lakes 2 & 3 td the hest, a City o-f ~` colle e Station Park to the North and an undevel.O ed area tO the ~ p i_ South. `~ , The proposed subdivzson cons~.sts of 28 single-family homestes on 19.818 Acres zoned R~-1,;with an average lot area of ~1 , ~---~ G2 Acres . The area is wooded `.and anti o vera e q Y sl ping (2~ a g) i There are no primary or ;secondary drainage sys-terns within the f limits of the property. The owner and Developer is TAC REALTY,. __, ,, ~, -: NCe of Bryan, Texas. DRAINAGE BASIN DESCRIPTIQN: ~ ~ The ite drains in a northwesterly direction toward the two { lakes :and the un-named. tributary along the west side of this ~__~ ~` i ~' ~- development. The flow is carried by this tributary through. the ~~ Park to the north and into the Foxf ire Tributary of Carters Creek. Previous drainage studies for this area have previous y been '~ submitted for Woodcreek Phase one, dated ~pr1, 1982; and of ~1 ~, `significant importance is the drainage: study for the two lakes and Sections Four., & Five (Drainage Impact study for Woodcreek 1 -~ Subdivision, Jan 1991}. ..,.This study indicates that the area of ,, this proposed site is included in the pond calculations as ~' intended for devela merit. P This ro ert is not located within a 1001 ear flood hazard p P Y _ Y '~ area according(: to the preliminary Flood In urance Rate 'Map No. .~ ~~ 48041C0205C dated July:23, 1990. Furthermore, he property is not ~-~ encumbered by a 100 Year flood plain according to the Drainage i ~- Impact Study for Woadereek Subdivision prepared by Buchanan/Soil r~ t~ Mechanics, Inc. dated .December 7, 1990. i _1 ~ DRAINAGE DESIGN CRITERIA: ~; -~; ~~ The proposed drainage infrastructure as designed in ~J _ accordance with the City of college Station Drainage Policy and Design Standards (DPDS} All inlets are designed to intercept the 10 dear storm under proposed drainage conditions, and the Storm ~. drains are designed to convey this storm without any pressure flow. The storm drain inlets are sized in strict accordance with ~~~ the DPDS udelines. The existin detention facilities have been g g n i~ reviewed for the 10 and 100 dear storm using the U.S. Army corps , L.,~ r~ i 'I i ~, _ , ~_J ~ __ 1 i i ~.~ of Engineer HEC-1 routine run on a personal computer. The ~ ~---~ : detention facilities were init-ia ly de igned by Buchanan/Soil ~~ ~ Mechanics, Inc. ut izing the U.S. Soil Conservation Service ~...~_~ _ Technical Release 20 (TR-20) methodology. ~ ~~ , ~ _ HYDROLC~ICA~ CRITERIA:. _~ ~' The 10 year torm was used as the basis of design for the ~ proposed infrastructure. The 10 year ~ 7.4" / 24 hour. type II) and 100 year (11" / 24 .:hour type LIB storms were used. to test the. ^~ design of the detent-ion facility.. Runoff was calculated by the ~--- ~ rational method (infrastructure} and the SCS curve number. method ~~ .__' (detention facility design) . r ~~ _ HYDRAULIC CRITERIA:: ~i The storm drains have been designed proposing RCP with a ~~ ~~ Manning's~"n" of .013 per the DPDS. The existing detention ponds ,~ ~~ ,~ et structures which are .modeled with the have orifice flow autl , r ~ orifice flow equation Q = A*C*(2*G*H)^.5 -- - where Q =flow in cfs A _ area of orifice in ft^2 C _ . 7 per the reference ~ ~ _ - - av' 3 .2 ft sec G - gr ity 2 H =head in ft ~ ~--~ Allowri for a -50% cla in of the :debris rack there is ode note ~ gg g ~ ~ ___ flow through: the rack to utilize the full capacity of the orifice. ~' 3 ~.~~ '~ __: ~; DRAINAGE FACILITY DESIGN: ~__I T x' •n ~ a e atte ns w'11 a maintained. Storm he a st g drain g p r i b , water from the lots in adjacent WOODCREEK SECTION OI~E wild be , ~~ ~~ conve ed alon the back of the lots to Woodcreek Drive or the Y g ~-~--~ creek. Flows from the lots to the East of the proposed Lake and South will be carried by the street to the Forest Court North . ~ ~ ri ~~ Ex 'bit ~~ D ~~ shows the inlets l~ca,te~ as shown ~n Exhlblt ~ ha. -~ ~~ drainage areas with a drainage area number to be crows referenced to Exhibit "A". Flows froml©ts immediately to the south. and adjacent to Woodcreek Drive will be conveyed' by the gutter of ~,, Woodcreek Drive to an inlet as .shown on the Exhibit " D" .Flows , ;I ~'~ -from the lots ad'acent to the lakes will sheet flow- into the 7 ,~ lakes. The areas in the most southerly .:portions of the site are '~' ~~ at the crest of the hill, and sheet flow to the. adjacent ~' undeveloped prope-rty. At this point, the flows will not be ~.~~ m._. concentrated or controlled. This is considered insignificant f ~ ~~ ~ ~ because of the extremel small areas and dversit of the flow. y ~_.~~ ,~ ~ ~ Storm drain inlets are placed such that the 10 .Year .Storm ~ ,~ ~~ does not overflow the curb of the local street ~ Leke Forest Court '~ North and South) and a 12' traffic lane-is maintained in the ~ _! collector street Woodcreek Drive). Exhibits "A", "A1" and "A2) ' ~ pre ent the drainage area size, "C" factor for post-development conditions, time of concentration, Ilo Qlo for each drainage area, i ~.~ . .pipe flow analysis and inlet computations. The storm. drain system is designed with low maintenance structures. per the City's design f----.~ `.i 4 ~~ j l ~~ ,, ~~ guidelines. Access to all facilities is through public easements. DETENTION: The existing detention facilities were studied and found to. be adequatel In-all cases the post-development flows have been ,_~ detained. enough to reduce them to less than` predevelopment '~ ~_~~ conditions. Exhibit "B" shows-a summary of the results of the ~--~ ~~ study, and compares the 100 year flood stage of the detention ~~ onds as derived b HEC-1 to the sta es derived in the ar final p y g ~' fr~ } design by TR-20. The complete HEC-1 runs are included as ~, ~~~_1 Appendix 1-4 6f this study. Drainage Areas used for the, HEC-1 ,~` runs are shown on Exhibit "D". The `flows generated by the HEC-1 runs are used to compute depth of flow at -the downstream points adjacent to the :.proposed '~ ; subdivision see Exhibit "C". These de the show that the 100 ~ ~ p ~ ~..» year proposed flow does not exceed the channel or encroach onto i '~ the proposed lots.. _~ _ ! C4NCLtJSION ,~~ The sta-rm drainage system a shown in the. construction plans __ meets the requirements per the City of Col ege Station Drainage ~ ~ ~~ ~_ , Policy and Design Standards. The detention provided reduces the ~-~~ ~~ pre;-development peak flows of both the 10 year design storm and ~~ '~----~ ;, he 100 year flood to below their original `level ;; ~~ ~____~ ~~~ ~~~ ' ~._a i ~_ .,,~ r ~~ ,r , ;; ~ ~ I ~_:~ F,_ 1 ~ I - EXHIBIT ~~A~~ ~_ ~~ ~ WOODCRLEK SECTIaN 6 .r ', DRAINAGE- RtjNOFF CALCULATIONS ,; ~.. - DRAINAGE ~-M~ ~~]~EA 1?~]~EA . C L Ft/SeC . T~ I io Q 1 1.15 0.6 : 550 1.0 9.1:7 8.94 b.2 ~._,~ 2 :0.1:7 0.7 MIN 5.00 10.98 1.3 3 2.23 0~5 b20 1.0 10.33 8..52 9.5 ~~ ~___,~ 4 1.40 0.b 640 1.0 10.b7 8.40 7.1 5 2.19 0.5 530 0.8 11.7$ 8.05 8.8 --~ ,'~J 6 4.65 0.b. 33.0 1.0 5.5a -10.68 4.2 ~~ 7 0.83 0.b5 820 2.0 b.S3 9,96 5.4 8 0.51 4.7 ` ?50 1.7 7.49 9.65 3.4 ~m~ 9 1.5b 0.5 700 1.0 11.b7 8.08 b.3 E4 9.45 0.6 900 1.2 12.50 7.84_ `44.4 ~,. .:_ ~_. ~~ } ~- -~ ;~ ;~ f:--, ~~ ,! 13 ~; ,~~J i'' ~..~~ i~ f__,_.~ i I f I i G.. ~J ~ ~7 T tom. Q1 ~ 0> ~ Uo O ~ N , ~ 0 11 ~ ~. ~ It V ~ O O 'Q ~~ d ~ ' p ,.,~ rl ~ ~ ~A ~ .... ~ O ,. V 11 ~, G w ~' ' ~dl ~ ~ ~ ~ ~ N N ~ ~ - ~ ~ ~- m N ~ I""' .,1 t! ~ . ~ ~ ,,,~ ..1 ~ .M .~- t~ ~ . N 1(I -- ~ ~ s ~ . N ... 'ry ~ ~ ~ , ~N ... j~ w ~ ~ N ,,,, ... 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N C ~ ,~ ~, C o .., o ~ ~ N ~; c •-- d~ N • N N it V a 0~ _ M ^ it , a U ~ t~ > ,,,, ~ ~ ~? o 0 ~ d 4 O+ °~ ~ r N~ ~ ~ ~ ~ Q a, c -- ' ,~ ~ Q ~, ~ a s p, 0 c ~, p N ~ ~ °~ fi N ~ J J ~ 0 ~} .4 m J ~ N N , ~ ~ v `~ ~ ~ ~ ~ p cr ~' ~ ` ~ H v ., ~ ~ p ~ ~-- .= N N tv, N ~, -. Q a v~ °c o t~ ~. ~ ~ ~ ~.. .~ ~ h '~ N 4 - N H' N p ~ ~ ~~: H ~ N w~ m 0 L ~ ~ ~ ' ~ ~ ~ ~ ~_.~~ . "~, DESCRIPTION EXISTING P"ROPQ-SED EXISTING PROPOSED 10 YEAR 10 YEAR 100 ,YEAR _ 100 YEAR ~___~ I(~ EXHIBIT "C" ~-~ TF:AF'~~U T I~AL CNr~i~i~~L. A~IALY ~ ~1 I~Q~`h~AL. l~E~'Ti~ ~Q~~i~'UTAT ~ ~~! ~~ ~HAh~h~~L t..~~~" ~E~T T LJh~ AT H~~~~€~A~L~. ~ QF 48" F'Z ~E F~~Uh~ n i. - wrr w....w w-w.w rw..w..Yw rr .w. w ar 1..r .wr r .M. a.n .r1 M1w .rwM. wr ..r{ r M.u .M-'w.~ .Y Y....~0 +n MY. ..M W MY wrww .~1Y 0... ww wr w w .r rrw ~P. Iwo •Ir .b....r •tl. ~r w ..M MM MIDI w~ ~IiM. .wr ww ..r ...M ..r...w1 .1M ww w .W. •w. 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N N 11 N 11 N i i ~ N 9 M~f ^~~ i 1 ~~ r7~ {rith W~ F~ ~w \~ ~~t ~ M M N i~ M N N N N 11 N M N N N M M N N M N N M M M M N• M M N ~~M ~~ ~~ rw rr~ w w.r w wr rw w. rw~ w w rw.rr raw .r r.r .r .ni. air .wr w ~rM Iw rrt w ~ riw wlr NM w rM M ~ Mr W/ rr rr~ w rrr r y ww .rw w.r ..r w rr. rw..r rw rrr rw w .w.w w rw~ ...r rrr wr w err rr rrr rw r.w rr rw wr rr rw ww r.r err wr rw rw .rr rw r rr~ Irr wr rr rIr w rr r~r w. rr wry Olr w rw.'w rr rir MIr rr ww~ sr Mr ww~ rMw rw rrr ~r MM w ~~ rw ~ ~rw Ar'M~r err rw. w rw fr r. rw rr rr rr rr w rr Mr. r rw rr err rw rw war w ~~- M TRAF'EZD I ~A~. CHA1~lVEL Al~ALY~ ~~ C~I~FUT~R' F'R~GFtAfi~ Ver~~ can 1. ~ 4 ~ } ~ ~~~ , , ~ ~ad~Qn ~~ A~~~~~x ~t~~ , Inc ~ ,~~ 7~:~1~ i~» Ti dwel 1, #1~7 ~ hl~cc~tan y TX T7~}9" , ~~~ ~; ,_ t71 ~) 89 r~R.?~~r A man~.R~l with ~~~.~~~ki ~n~ °- f ~.aw ~ha~t ~ ~v~ 1 Bbl e~ ;_~ ~, c~_~ ___~ ~, - ., , ~, I' I ~~ _ -_i EXHIBIT. nCn ~~~ TF,A~'E~G I SAG GMAi~i~~L. A~1~1LY~ I --., I~ - M~~'~f AL I~~~TM G~~1F'UTAT I D1~ .. 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MM .MIM «M. • ~W M,M M... _ MM.~« MM MM. «M, l«, «N. MIM M MN..~.«M. M111 ~ MMI Y Mw1 YM/ MFI MI NM. MN « MIM «M. ~ M1w ~~ «M.M«•. NAM ~ MIN M«~. MIM ~ MMM 1 `f ~ ~~ ~ G1 ~~~ p LI h \ I" .M ~«I III /^ t N A N N p g N N N N•. N N N N N• N M r M N N N N N N N N N N N N N N M MM MNI M111 IIIM. «I` MIw MW MM « .I. M~ tiwr ~ -1 ~w~ ~»y ~( III 7 ~w ~y ~M y~ ~» ~M ~I ~y (''~ ! ~ ~ ~ ~ ~ ~ ~ {.N ~ ~ ~ ~ ~ ~~--ii ~ ~ ~M. i M~1 SM. ti.1 ~ ! I LIf ~ N N N N N N N N M M M N If N N :N N r N N • . M N N N ~ N '1.1~ ~.~f» ~»y m~~y~I» {~~ ~»~y ~t» ~» ~» j 1 1 ~ ~~ ~ G ~ ~I I ~ Ii/l MI ( ~ F ~ ~ 11Y ~ i~ W ~~ ~ ~) ~ ~ 1 ~ ~ ~ 4.M a ~ / N N N N N M N N N N i N M N N M ~ N •~ 7 .M M ~ ~ / ~~ ~, T~~~ -~w ~~~ M~ a~ ~ 1 .~I ~~~ N M N p g N N M N N N N N N N N N M N N N N N N M N M N N 11 N N N M N N ~«r N 1M7 v.l i iw. ~ MS~'. I CM~ ~ ~ {~M. a~ ` ~~.{~'I ~.I ~ M N 11 i N t M N M N N: N N M N N 11 N N N N 1^ N N• N N N N N ..N • N N N M N 1-» N LII I ~_ y Q '~» S./ ! 4J M~'?I ~ ~ 1../S_M iw ~ ~ ~ I l a ~ A) ~ G:t L.1 ~ F .1. 1.J' ~~ ~ ~ C~ ~~ ~ l MI ~ .~i ~ Lr ~ N 11 N N 'N • M N N M N N R N { 'r ~+ N ~'~ i ~~'~' ~~ ~ "'h ~~ F~ ~~'• ~~~~~ f N N 11 N N N M N N N N M N N N N N' N N N N N• N~ N N N. N A N N IIr/AwN ~I «1« N111 NrYN1 «M1 /1111 rw MW Mr Mw MMM IIIM MMI «w wN1'MM1 11111 »INMM.11111 ww II1r wr ««I Mr «M wM MMi M1111411 MIM ww.Irw MMI w1M'Mw IMII MwYM111111 M«~ MMI11111 w+1 MIM MMI all 1II11 Mw nM11r MMIINM111111 M«I Mw wwiw. Mw / MM MW AM 11111 MM M111 «M M11111111 ««1 Mw1 11111 YIN Mw IMM.. 11«1 «M MM«MI «M 1M1 «MII M!I ww 11111 MM. 11111111M 11111N111 Mw 11111MM 11111 «M1«1M Yi11 r/ 11111 r«I M NM MM 11111 MMI IIIN III« M111 UMI.MN/ wMI MIA MN1 VIII ~1I11 «W MM,I wM MIN M '.. TF'AF'~~a ~ SAL GHA1~t~EL A~IALY~ I ~ ~D~IF'UTf~F~ F'f~UG~'~I~, Ver~~ can ~ ~ . • ~ rr Mr «w 1101 «r1 M1M,NMI MIM 111N M wM111N MM IP1q «w I1M1111~ «1M t ~ ~ ~ 1 ~~b D~d~~n ~f As~~~ ~ a~ ~~, i ~LN'N y 7~~ ~ ~ W N Ti dw~l ~ , # i ~"~7 ~ Ha~.~tc~n , T~4 7`~~"y9 ~7~,:y 89~-~8:~~~N' A mantaa~ W~ th ~'~Lta~1 Dn~ ~,~ f1 t3W chart 15 ar~ai ~ ~b~. ~N i ~W,~ - ~r. ;~~ ,, - ~ ~__ ~~.~ ,; i ~-, i ., ,, ~~ ~_ . '~~ , APPENDIX ~' 1 ~` ~__~ ,. $EG•1INPC~ PAGE 1 ~. DINE ID 1,.,,,1.,,..,2,, ....,3, ...,.4, .,..,5. ,,.,..x, ,..,.,7, ,.,,„8. ,,..,,x,.,..,10 I~ _, 1 III ROUTE 01' FAST ~FFEECTED POINT, EXISTING CONDITIONS 10 YEAR STORM 2 IT 10 5NOV91 1000 146 ~....~ 3 IO 3 0 0- '~ 4 IN 10 5NOV91 1000 _ _.m 5 KK ;I,AKE2 ~ ~ ~ ~ BA .0445 '~~ ? PB 7.4 8 PC ' 0 , 0018 ;;4035 .0053 .0071 ,0090 ..:0108 , 0122 .0145_: , 0164 ~ ~ 9 PG .0184 .0203 ,0223 .0243 ,0264 .0284 ,0305 ,0326 ;0347' .0369 10 PG .0392 , 0414 ~ 0437 ,0460 .0483 ..:0507 .:0531 , 0555 . .0607 , 0660 11 PG .032 ,0659 .0685 ,07.12 ,0714 ,0716 .0719 - ,0775 .0831 .0887 ~., 12 PC .0919 , 0952 .0984 .1019 .1454 .1089 .1127 ,1165 .1203 ,1245 ;, _ 13 PC .1286 ,1328 .1374 .1421 .1467 ,..1520 .1572 .1625 ,1686 .1747 ~_~.-~ 14 PC .1808 .1886 .,1964. , 2:042 , 2145 2248 .2351 _ .2512 ::...2672 .2833 15 PC .4099 .5366 .,6632 .6872 .7111 ,7351 , 7575 .7600 , 7724 .7812 ,__, 16 PG , 7941 , 7988 ,8058 .8128 .819? .8258 , 8319- , 8380 , 8433 .8485 ~~ 17 PC .8:538 .8538 .8584 , 830 , 8676 .8718 , $759 ..8801 8839 .8876 18 PG .....8914 8949. ~ 8984 .9019 .9051 9483 , 9115 .9145 .91?~ , 9206. ;r ~ 19 PC .9234 ' .923 .9291. , 9318 ..9344 , 9371 .9396 .9421 .9446 , 9470 ~ 20 ~ .9495 , 9519 . 9542 ,:9565 .9588 .9610 .9631 ,9653 .9674 , 9696 ~~ 21 PC .97'17 .9737 , .9757 .9777 .9797 ,9816 :9836 .98.54 .9873 .9892 22 PC .99.10 .9929 . X947 .9965 _ ....9982 1 23 LS 0 79 0 24 UD ` .56 ~, _.~ 25 KK I~KE3 ~ ` 26 BA .02.30 ~ 27 PB 7.4 ~.m ~~ 28 ~ 0 , 0018 003 , 0053 .0071 ,:0090 .0108 .0122 , 0145 0164 ~ 2g PC .0184 ,0203 .U223:..: .0243 .0264 X0284 _ ,0305 ,0326 :.0347 ,4369 ~.~_~ 30 PC .0392 0414 ,0437 .04:60 .0483 .0507 , 0531 , 0555 0607 , 0660 31 PC .0632 .0659 .4685 .0712 ,0714 ,0716 .0719 .0775 .0831 .4887 _~ ;~ ;~ 32 PG , 0919 , 0952 , X984 .1019 .10x4 ,1089 .1127 .1165 ...1203 .1245 ~_~ 33' PC .1285 ,1328 ,.1374 .1421. ,1467 .1520 .1572 .1625 .1686 ,1747 34 PC .1808 .1886 .1964 .20142 , 2145 12248 .2351 .2512 , 2672 .2833 35 PC .4099 `.5366 16632 - . .6872 .7111 .7351 .7575 , 7600 .7724 ..7812 '~ 36 PC .7901 , 7989 .8058 .8128 .819? .:8258 .8319 .83:80 .8433 .:8485 . 37 PC , 8538 .8538 .8584 .8630 .8676 .8718 , 8759 .8801.- .8839 .8876 ~~~ 38 PC .8914 8949 .8984 ' .9019 , 9051 v 9083 .9115 , 8195 .9176 ,9206 39 PC , 9234 , 9263 .9291 .93.18 .9344 .9371 , 9 6 39 , 9421. .9446 , 9470 ~-~~ 40 PC .9495 19519 , 9542 .9565 9588 9610 .8631 : ....9653 19674 9696 41 PG , 9717 .9737 . X757 .9777 .9797 , 9816 , 9836 .9854 .9873 .9892 ~ 4~ PC .991.0 19929 .9947 .9965 9982 1 , ', ~_~ `43 BS 0 79 0 44 jID .35 ~,-- 45 KK INFLt?~1 TO FAKE 3 ~ - 46 HG 2 ~ ~ ~-~ ~~_~ ~_~ ~._; i :; _~ EC•1I~P~r A~~ 2 LIFE ID ,,..,.1,.,.,,.2,.,....3, ,,....4~ .,.,,,5. ..,,,.~....,.?, ..,,,.8,,,...,9, .,,..10 ~_. 47 IiI~ D~~ISTREAI~ .~ 48 B~ , 0290 i ~ 49 PB~ 7, 4 ~. ~ ~ 50 PC 0 .,.0018.. , 0035... ..0053.. . , 0071.. • ,0090.. :.0108 .0122 , 0145. ....0164 i ~__{ 51 PC .0184 .0243 .0223 , 0243 .024 .0284. , 0305 .0326 , 034 , 0369 52 PC .0392 , 0414 , 0437 ` .0460 .0483 0507 ,-.0531 ,.0555 .0607 , 0660 'k~ 53 PC .032 ,0659 .Q685 .0712 : :.0714 ,0716 ,0719 .0775 ,0831 ,088.7 . 54 PC ,0919 .0952 ,0984 ,1 !19 ,1154.. ... ,11th ,1127.. ... ,1165 ,12M3 ,1245 . I~ 55 PC ,1286 :,1328 ,1374 .1421 .1467 ,1520 .I572 ,1625 11686 .1747 ~_~ S6: PC ,1808 .1886 ,:1964 , 2042 , 2145 12248 .2351 .2512 2672 , 2833 57 PC .4499 , 5366 ..6632 .6872 .7111 , 7351 , ?575 .7600 _ , T724 .7812 _~ ~~ 58 PC , 701 .7989 8058 , 8128 .8197 , 8258 .8319 , $380 , 8433 .8485 S9 PC , 8538 .8538 ,-$584 , 8630 .8676 .8718 , 8?59 .8801 ...8839 .8876 ~_ .~ 60 PC , 8914 .8949 .8984 .9019 , 9051 .9083 .8115 .9145 .9176 ~ 920b 61 PC .9234 `.9263 9291 .9318 , 9344 , 9371 , 9396 .9421 , 9446 .9470 62 PC , 94.95 , 9519 , X542 .9565 .9588 .9610 .9631 , 9653 , 9674 19696 `Y _s 63 PC , 9717 .9737 .9757 .9777 , 9797 .9816 . X836 .9854 .9873 .9892 64 PC .9910 .9929. 9947•: , 9965 , X982 1 65 LS 0 79 0 66 UD , 417 - :1 67 KK D051'R EA~ 68 HC Z ~_ ~ i ,: - -, ~..: _, ~~~ ~_ 69 ~ ~ . (~1 ., 1._.~_] .,`. ~~~.~„f t ICI I I I ~~~ . .. ~ . ~~ ~~ : . I I``I l~ ~m~~~ I ~ . .. _ ~. .. I :.. rte. _,~ ~I I 4.....~ . . I_,-, ~~ ~~- i' ROUTE OF LAST AFFEECTED POINT,, BXISTING CONDITIONS ~10 YEAR STORI~~ - 3 IO OUTPUT.. CONTROL VARIABLES ~ ~ ' IPRNT 3 PRINT CONTROL ~ IPLOT 0 PLOT CONTROL ~SC~L 0. HYDR~}GRAPH PLOT SCAEE ~- ~~ ~ IT gYDROGRAFH TINE DATA N~IN 10 ~INfITES IN CONFUTATION TNTERVAL ', ~. IDAT~ 5NOV91 STARTING DATE ~~ '~ ITINE 100 STARTING ~ TTNE ~~ ~~ l~Q I4~ 1+~BER OF HYDROGRAPH ORDINATES NDDATE 6NOVg1 ENDING DATE NDTINE 1010 ENDING TINE ' KENT 19 CENTURY r~ - CONP~ITATION INTERVAL .17 ROURS ~__! TOTAL TIDE BASE 24.1 SOURS ENGLISH UNITS DRAINAGE: AREA SQUARE NILES t~ PRECIPITATION DEPTH INCHES - LENGTHr ELEVATION ~`EET - ~ ~1 FLOW CUBIC FEET PER SECOND i~ STORAGE VOLUNE ACRE-FEET 5URFACE AREA ACRES TEII~ERATURE DEGREES FAHRENHEIT l g ,~ ~ _~ S KK , ~ LAKE2 ~ I '~. ~ 4 IN TIME DATA FOR INPUT TINE :SERIES - JXNIN 10 TIME INTERVAL IN N~NUTES JXDATE SNOV~1 STARTING DATE ~ ~ JYTINE 1000 STARTING TIME' -~ ,, SUBBASIN RON4k`F DATA _1 BA SUBBASIN ~CTERISTICS ~~~ TAREA '04 SUBBASIN AREA PRECIPITATION DATA ?' PB - STORK ? 40 BASIN TOTAI~ PRECIPITATION 8 PI INCRE~{ENTAL PRECIPITATION PATTERN ~ ; ~ ~ , 00 QO .00 .00 .00 .00 .a0 :00 , 00 N ~, .00 00 .00 .0~ .00 .~4 .OO ,OO ,~0 _,00 - 00 f 00 , 00 .OO 00 .00 , 00 , 01 .01 -, 00 ~ ~0 00 .00 ` .OO ,00 .40 .01 ,~1 .01 .40 i ~..J __ .oa .oa .aa .aa ,oa -.~ .ao as ,oo .oo .oo .OO ,oQ .oo .o .ol .ol .ol ,41 ,ol ~Ol .Ol .QI .01 .~1 .01 02 02 ,0~ .13 .-, ~, ~ .13 .13 .02 , 02 .02 .02 .00 Ol .Ol .Ol ~~ ~ 01 ,Ol 41 .01 .d1 ,41 ,Ol .01 _.01 .01 00 , 00 , 0~ . ~~ 0~ . 00 00 _, 0~ , 00 , 00 ~~ 00 , 00 , 00 . ~0 .4d 00 - ; 00 , 00 .00 , 00 .00 ,00 ,0~ ,0~ ,00 .~0 ,00 00 ,00 ,00 00 , 00 .00 , 00 .00 , 00 , 00 , 00 , 40 - , Q0 00 , 00 , 00 , OQ . ~4 .4~ , ~0 , 40 .00 .00 00 .00 ' f , 0~ , 00 .40 23 GS _ S45 L~DSS SATE STETL 53 -INITIAL ABSTRACTION CRUNBR '9,00 CURUE NUt~ER RTINP 00 PERCENT IMPERVIOUS AREA '~ i ~ 24 UD SCS DIMENSIO~iLESS UNITGRAPH ~ '- -~ TLAG .56 I~AG ~'~ ;~, ~~~ OMIT HYDROGRAPH ~ 19 EI~D-OF-PERIOD ORDINATES 5 17. 30. 33. 29, 21. 13, 8 6, 4. 2, 2. 1. 1. 0, 0, 0. 0. a. ~ ~ ~ y k I ' 1 HY~RO4RAP8 AT STATION LAKE2 .. i ~ F I ~ `~j .... TOTAI, RAINFALh = 7,40 TOTAL I~SS - 2,~3, :~OTAh EXCESS = 4.97. a p (PEAK F~Ow ~CFS~ TINE MAXII~U~ AVE~A4E SLOW ~HR~ ~-HR 2~•HR 72-HR 2,17-HR ?3~ 12.33' ~CFS~ 19. 6, ~. 6. ~IN(~ES~ 3,927 4.916 4,916 4.916 !~ ~A~-FTC 9. 12, " 12. 12. ~ I ' ~_- -- ~ ODUN(JLATIIIE AREA = .04 SQ NI ~~ _.__ ~~~ ~~~t ~C~~ ~r~~ ~~r~' ~r~r~r : ~~~ ~c~~ ~c~r~r ~~~ ~r~~ ~k~F~` ~r~~ ~~~r ~~c~r ~~~c ~~r~r ~~~ ~r~~ ~~~ ~r~r~: ~~r~ ~~~ ~~~ ~~~ ~~~ ~r~~r ~~~r ~r~~ ~~~ ~r~r~c ~_~ _ ~ ~ ~. 25 KK ~ GAKE3 ~ ~: ~ 4 IN TIDE DATA FOR INPUT TINE :SERIES r 3XNIN 10 TIME INTERVAh IN ~II~IJTES JXDATE SNOV~1 STARTIN4 DATE -; _; , ;, JXTiNE 100 :STARTING TIME t ~; ~~ , ~J f~~ ~l SUBBASIN R~NO~`F DATA ~ , ~~ BA SUBBASIN CHARACTERISTICS , ~ TAREA , 02 `SUBBASIN AREA ~, . PRECIPITATION DATA ~~~ 2? PB STORE ?.40 BASIN TOTAL PRECIPITATION -~ 2~ PI INCRENENTAh PRECIPITATION PATTERN 00 , 04 , 00 , 0~ .04 .00 , 00 , 00 , 00 .00 ~' ,00 ,00 ,00 ,04 ,DAD .00 .40 :D0 ,00 .DO .00 , 00 , 00 , 00 .00 , 00 00 .01 , 01 •, 00 ,~ -~ .00 .00 ,4~D ,00 .QO .00 ,Ol ,Ol ,01 .00 a ~ ~ .oo .DD ,00 .ao .oo ,oa ,ao ,oo ,oa ,00 ,00 ,00 _ .DO ' ,OD ,Ol .41 ,41 ,Dl ,Ol ,Dl ~-~; ,01 ,01 .Dl ,01 ,Q1 ,01 .02 ,02 ,02 ,13 ,13 .13 ,02 .02 ,02 ,02 DO D1 ,Ql Dl ~.__~ .01 ,01 ,01 ,01 ,01 ,01 ,01 .01 ,01 ,01 , 00 , 00 .00 .OQ , 00 , 00 , 00 . QO , DO .00 ~ .00 , 00 ,00 , a4 , 00 , Oa .00 00 ~ 04 , 00 ~_-~ , 00 .00 , ~0 .OD . ~0 , 00 . UO ,00 - 40 , D0 00 _ , 00 , 00 . a0 , Od .00 , 00 , OO .00 , 00 ~_~ 100 , 00 , 00 , 00 .0~ DO .00 00 , 00 , 00 u X00 ,00 ,Oa ,00 ,00 ~-- ~3 LS SCS Ii~SS RATE i t - STRTI- 53 INITIAL ABSTRACTION ~ ~ J CRVNBR ?x.00 CURVE NiJMBER ~ ! ~ j RTIBP .00 PERCENT IMPERVIOUS AREA ' ~ ~ ' ` ' ~~ 44 UD SCS DIMENSIONLESS UNITGRAPg ~ ~ ` r ~ TLAC 3a LAG ~ l i ~ ~~~ E ~J f ^ _ UNIT HYDROGRAPH ~ ~ ~ 12 END-DF•PERIOD ORDINATES ; I , '__ ~ 7, 23, 25. 16. 8. 4, 2.- 1 1. 0. ~ _~ ~ D. a . c i ~ ~~~ ,, ~_ ' ~ ( ~~~ ~~ HYDROGRAPH AT STATION LAKE3 , ; t ~ , `, ~. .TOTAL RA INFALL = ?, 4a, TOTAL LOSS = 2, 43, TOTAL EXCESS = 4, ~? _ ~ ~ !+ PEAK ELO~ TINE NAXIN~N AVERAGE EL06~ a~ ~CFS~ (HRH` ~•HR 24-HR ?2.gR 24,1?-HR 49 12,17 ~CFS~ 10. 3. 3, 3, C r~ ~INCHES~ 3,33 4,~3~6 4,36 4.~3~ ~AC•FT~ 5. ~. b. ~, f ~ ~~ ~ , CIIN(3~ATIVE AREA = 02 S~ ICI ; ~ E E ~ ~ ~ E ~~ ~~.~1 i-- >~ ~,_i i ', ~~ i ~ ~ ~~~ ~~t~r ~~~ ~~a~ ~t~~ ~~r~ ~~~ ~~~ ~~~ ~t~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~t~ ~~~C ~t~C~ ~~~ ~~~ ~~~ ~t~~C ~~~ ~~~t ~~~ ~~~ ~~t~ ~~~ ~~C~r ~~~F ~~~ ~ } ~t~C~C~c~C~C~r~r~~t~-r~t~4~r~r~~r~t~t ~ - ~~ 45 I{K ~INFI~)W TO FAKE 3 ~~ - ~ ~ ~:~~~~~~~~~~~~~~~~~~c ,., T„~ 46 HC HYDROGRAPH COMBINATION ~~ ICOMF 2 NUMBER OF HYDR~RAPHS TO COMBINE ~~~ f..~ ,; ~~ HYDROGRAPH AT STATION IN~LO ~, PEAK F1~W `TIME MAXII{f1M AVERAGE FIAW ~ ~ ~ ~ CFS ~ -~ HR ~ ( ~-HR 24•HR ?2-HR 24 ,17-HR 115, 12,33 ~CFS~ 2~, ~. ~. 9. ~INCHES~ ~~28 4,25 4,~2~ 4;23 I - SAC-ET3 14, 18, 1~, 181 _; CUM(1~ATIVE AREA = _ 07 S~ MI ~~ a ~I,4 ~r~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~ ~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~r~t~ ~ , ~~ ~ ~ I ~ ! I 47 I{K ~ DOWNSTREAM ~ j ~ ,~ ~_ 4 IN TIME DATA: FOR INPUT TIME :SERIES ~ --~ J~~IIN 10 TINE INTERVAI, IN MINUTES f , J~I}ATE SNOV~1 STARTING DATE ~~ a JXTiME 1000 :STARTING TIDE ~., ' SUBBASIN RUNOFF DATA 4~ BA SUBBASIN CHARACTERISTICS ~~ TAREA ; 0~ SUBBASIN AREA PRECIPITATION DATA ,_ ' ~ _~ _ 4~ PB STORM ?, 40 BASIN `TOTAL PRE~IPLTATION _.,_ 50 PI INCREMENTAL PRECIPITATION PATTERN ~ , 00 00 .00 .00 ` , 00 .00 , 00 00 , 00 .00 ..~ ,04 00 .00 ` .00 .00 ,00 ,40 .00 ,00 ,00 00 , OQ , 00 .00 , 00 .00 .00 01 01 -', OO .100 00 .00 ,00 .00 ,40 ,01 ,01 101 ,00 ~ ~,_:.~ _- .VV ,00 ,00 .VV ,00 .VV ,OV eVO ,VO .00 00 00 - ,00 .00 ,Ol ,01 ,01 .01 ,01 ,Ol ~ { ~ ~ ; .01 01 ,01 ` .01 .01 ,01 ,d2 .02 ~02 ,13 ~ a ! ~I ~j ~, ~ , ~ R ~~ t f---~ ,13 ,13 ,0~ .0~ ,02 ,02 ,:00 ,01 .01 .01 ,41 ,41 ,Ol .Ol ,41 ,~1 .01 .41 .41 ,Ol .00 , OO .4O , 4O , 00 , 00 t?0 .00 , 00 , 00 ,40 ,44 .44 .O0 ,04 .00 ,44 .04 ,44 ,40 ~_ ~'~ i _ ~. _ 00 , 00 , 04 , 00 , 00 , OO ~ 00 , 00 .00 .04 44 - , 04 _ . 44 , 40 , 04 .04 .OO , 04 , 00 , O4 .v ~ ,44 .04 ,O4 ,4O .Oa .a4 4O .40 ,44 .04 ', ,__ 44 , 44 . ~4 . Q4 .OO ~_-, ~5 LS SCS I~SS RATE ' STRTh , 53 INITIAL, &BSTRACTION ~~ CRVNBR 7~ 104 CURVE NICER ,_.,~ MTINP , 00 PERCLNNT IMPERVIOUS ' AREA ~, . ~~ ~~' UD SAS DIMENSI4NLES5 UNITGRAPH __ TL~G 42 LAG , ~... `~~~ --..-~ _ UNIT HYDROGRAPg i 15 END-OF•PERIOD ORDINATES - ~ 22:. 2~, Z3 14, 8, 5. 3. 2, 1. ,... ~. 4. o, 4, a, F ~ ~ HYDR(~RAPH AT STATION DOWNSTREAM j ~_._,~ j TOTAL RAINFALL = 7 , 40 TOTAL LASS = 2.43 TOTAL EXCESS = 4 , 97 / d- ~ ~_._1 ~~~ ,, PEAK FLAW TIDE MAXII~UN AVERAGE FLOi~ _W CFS ~ ~ HR - ~•HR- 24-HR 72•HR 24.17-HR ~ ~ 55, 12,17 ~CFS~ 1~, 4. ` 4. 4. l F~ ~~ INCgES ~ 3..931 4.934 4 , 93~ 4.934 ,~~ SAC-FTC 6, 8, 8. 8, E~- ~LATIVE AREA = , a3 SQ NI ~ ~...w~ ~~~ ~r~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~r~~ ~~r~ ~~r~ ~~~ ~~r~ ~~~ ~~~r ~~~ ~~~ ~~~ ~~~c ~r~r~ '~~r~ ~~~ ~r~~ ~r~r~i ~~~ ~~~ ~~~r ~r~~r ~~c~r ~~~r ~~ ,~ ~ _ -- b7 KK ~ DOi~STREAN ~ ,~ ~.~~~ ,.r.., 68 HC HYDROGRAPB COI~INATION ' ~, ICOI~P 2 IdUHBER 4F MYDR4GRAPHS TO COMBINE ., ~~~ _ ., _ __ ~_A_, r ~_~~ ~, -i t ~ I ~. .. H~HR(~RAPH A~ STATIO~i DO~NST~EAI~ '. - .. ~'~AK FI~W fill~E XAXII AhERACE FI~I~ ~---~ 4CFS~ ' (BR} 6•HR ~4-HR ?~-HR 24.17-HR 1~8 12.33 ~CFS~ 41, 13, 13. 13. INCHES ~ ~~~ 4, ~2~ 4 ~ X25 4. X25 ...~~ SAC-FTC _ 20~ Z5, 25, 2~. CU~Nt~TIVE AREA = .10 SQ ICI ~~~ n ~ ~T ~ ~ f i n I ~~ ,~ ~~ ~,~ ~9 ~~ l li - N ~ ~~ a ~. ~~, 'I ~, ~--~ ~. ~~ I I ~,_- i i L.. _.~ i I I ___, I L__~i (__ l I ~. -- I ` l ~ RUNOFF SU~fNARY R~(I~ IN CUBIC FEET PER SECOND '~~ TINE IN HOURS{ AREA IN SQUARE NIKES ,~ PEAK TIME OF AVERAGE ~'1~0~1 FOR I~A~IMt3~i PERIOD BASIN I~A~IIi TIME OF OPERATION STATION FLOC PEAK 6•HOUR 24-HOUR ?2-HOUR -AREA STAGE RAC-STAGE --- HYDROGRAPH AT I1AKE2' 73, 12,33 19, 6. ~. ,04 '~ ~__ ~ flYDROGR~PH AT Z~AKE3 49~, 12,11 10. 3, 3, 02 , ~- 2 CORBINEO AT TNFi~ . 115. 12.33 29, 9. 9. ,01 ~; ,~ _, YDR~RAPH AT ONS 5 , 2.11 12 , 4 , 4 , 03 ~, 2 C~~BINED AT D~~l'S 1~8, 12.33 ~1, 13. 13, ',10 ~~ ~.~ ,, ~~~ ~ ~~ --, ;; ~r u -~ r^ I _ _l i _ i _ ~ I ~J I, i`° ~_ _, __ i ~ ~, f~ I ~ _ I L~ --, 1 i f 'i i... ,~ APPEN DIX rr ~ rr ~, ~ HEC-1 INPUT PAGE 1 , . ~~ LINE ID .,,...1...,..2, ,..,..3,......4. .,...,5. .,....x. .,,,,.7. ,.....8. ......9 .,,...10 ~~! 1 ID RQOTE OF LAST AFFECTED POINT, PROPOSED CONDITIONS 10 YEAR STORM ~ 2 IT 10 5NOV91 1000 I4d ~- --, 3 IO 3 0 0, r-~ ~~~ 4 IN 10 5NOV91 1000 `-' 5 KIt L~KE2 6 BA .0445 PB 7.4 ! ~ 8 PC 0 .0018 ..0035'. .0053 .0071 .0090:. .108 .0122 :.0145 .Old4 '9 PC .0184 .0203 .0223 .4243 1.0264 ,0284 .0305 .0324 .0347 .0349 ~~~ 10 PC .0392 .0414 .0437 . .0440 .0483 .0507 .0531 .0555 ,Od07 .OddO 11 PC .0632 .Od59 ,Od85 .0712 .0714 .0714 .0719 .0775 .0831 .0887 12 PC .0919. .0952 .0984: ....1019.. .1054... .1x89 .1127 ,1165 .1203 ,1245 ~ ~ 13 4 ~ .1284 ,1328 .1374 . X421 .1467 .1520 ,1572 .1625 .1486 .1747: ~~ 1 PC .1808 ` .1886 ,1944 .2042 .2145 .2248 .2351 .2512 .2672 .2833 15 PC .4499 .536 .6432 ' . 4872 .7111 , 7351 , 7575 , 700 .7724.. .7812 16 PC ,7901 .7989 .8058 .8128 .8197 .8258 ,8319 .8380 18433 .8485 '; 17 PC , 853$ ~ 853$ .8584 .8630 .8676 8718 . $759 .8$01 . $839 .8874 ~~ _., 18 PG .8914 , 8949 8984 . X019 .9051 .9083 .9115 .9145 .9174 .9204 19 PC .9234 -...9263 9291 ` ..9318 .9344 9371 . X396 , 9421 9446 .9470 ~r 20 PC .9495 .9519 .9542 .9545 .9588 ,9410 .9;431 .9653 .9474 ,9696 '~ ~~ 21 PC ._::.9:717 .9737 .9757 .9777 , 9797 .9816 , 9834 , 9854 .9873 .9892 . ~~ 22 PC .99.10 .9929 .9947 .9945 .9982 1 ---~ 23 LS 0 85 0 ~ ' i 24 UD , 56 ~, 25 KK DAM2 --7 26 RS 1 FLOW -1 - ~, Ei 27 SU 3.4 4 _ 4.7 5.5 6.4 7.3 8.7 9,5 10.1 15 '28 SQ 0 12.47 17, d3 21, 60 24.95 27.89 30, 55 33.00 34.38 37.42 i 29 SE 287., 5 28:8 2:88.5. 289 289, 5 290 290.5 291 .291.:3. 292 30 KK LAI~E3 31 BA .03:58 r 32 PB 7, 4 33 PC 0 .0018 .0035 .Oa53 .0071 , 0090 .0108 .0122 , 0145 .0164 34 PC .0184 , 0203 ..0223 ...0243 ..,0264. ,0284. .0345 ,.0324. ...0347 .-0369 35 PC .0392 , 0414 .043? .0460 , 0483 .050? , 0531 .0555 .0607 .O6d0 3d PC .0632 .Od59 .0685 .0712 .0714 .0716 .0719 .0775 .0831 .4887 `~' 37 PC .0919 :0952 , 0984 .1019 ` .1054 ..1089 .1127 .1165 .1203 .1245 ~ 38 39 FC PC .1286 .1808 ,1328 :1886 ..1374 .1964 .1421 .2042 .1467 .2145 ,1520 :2248 .1572 , 2351 .1425 .2512 ,1686 - 2d72 .1747 .2.833 .~ 40 PC .4099 , 5346 , dd32 .4872 .?111 .7351 , 7575 .7600 .7724 , 7812 41 PC - .7901 .7989 ..8058 .8128 .8197 , 8258 .8319 , 8380 8433. .8485 .. ~ 42 PC , 8538 , 8538 .8.5$4 .8630 .8676 .8718: , 859 .8801 , $839 . $876 43 PC .8914 .8949 .8984 .9019 .9051 .9083 .9115 .9145 ,.9176 . ~20d - 44 PC .9234 19263 X291 .9318 .9344 .9371 .9396 .9421 .9444 ..9470 ' ~---~ 45 PC .9495 .9519 .9542 .9565 .9588 .9410 .9631 .9453 -.9674 .9d9d 46 Pv .9717 .9737 .9757 .9?77 :.9797 .9816 .9836 .9854 , 9873 :9892 47 PC .9910 .9929 , 9947 , 9965 .9982 1 48 ` LS 0 85 0 49 ~1D .23'3 ~_; ~.~ ~~, ~-- ~ HEC-1 ZNPOT PAGE 2 LINE ID.......1. ...,2. ,....3. ...:...4, ,....,5..,....6. ......7. ...,..8. ,:....9. .....10 ;~~ , ' ~, ~~- 50 KK INFLOW TO LAKE 3 51 HC 2 ~-~ 52 KK DA~C3 '.__a 53 RS 1 STOR -1 54 SV 1.5 22 3.2 3,8 4.4 54 5.7 6.1 b.4 b.b 55 SV 6.8 7.1 ~ 56 S Q 0 70.b 99.8 111.b 122. 3 :135. b 1~5, 2 142 8 14b.2 14716 57 SQ 149.6 152, 9 ,__.~ 58 SE 280 281 282 282.5 : 283 `283. b9 283..89 284, 09 284.29 284.37 i _ 59 SE 284,49 284.69 b0 KK mWNSTREA~I i 61 BA .0251 ~_ 62 - PB 7.4 63 PC 0 .0018 0035 , 0053 . ...0071 , 0090 .0108 .0122 .0145 .0164 ~ b4 PC .0184 .0203 , 0223 .0243 , 0264 .0284 .0305 . .0326 , 0347 .0369 ~j 65 FC .0392 .0414 :0437 .0460: .04$3 .0507 .0531 .0555 .0607 ObbO 66 PC .0632 .0659 .0685 .0712 .0714 .0716 .0719 .0775 .0831 , 0887 ~' '1 67 PC .4919 .0952 .0984 .1019 .1054 :10$9 ,1127 .1165 .1203 .1245 ~ J 68 PC .1286 .1328 ,1374 .1421 .146.7 .1520 .1572 .1625 .168b .1?47 ~ 69 PC . .1808 . ' ,1886 .1964 .2042 .21.45 .2248 .2351 .2512 .2b72 , 2833 70 PC . ...4099 .5366 .6632 , 6872 , 711:1 .7351 , 7575 .7b00 , 7724 , ?812. ~ 71 PC .7901 .7989 .-8058 .8128 .8197 , 8258 .8319 , 83$0 , 8433 , 8485 72 PC .8538 .8538 , 8584 .8630 .8676 18718 .8759 .8801 ; 8839 .8876 73 PC , 8914 , 8949 8984 .9019 .9051 , 9083 .9115 .9145 1917b .920 -' 74 PC , 9234 .9263 .9291 .9318 , 9344 9371 .939b .9421 .9446 .9470 ~_~ 75 PC .9495 .9519 9542 , 9565 .9588 .9610 , 9631 .9653 • .9674 ~ 9696 7b PC .9717 .9737 ~ 9757 .9777 .9797 .9816 , 9836 .9854 .98?3 , 9$92 -- , ~ 77 PC .9910 .9929 .9947 .9965 .9982 1 ~ ~, 78` LS 0 85 p 79 UD .020 r"~ 80 KK DtIWNSTREAI~ ~~ 81 HC 2 ~.,1 I 82 ~Z ; ~ - f ~~ ~~ '~ ~i _ _ I `~ j ~_,~ ~ ~, ~~ _ - (_ ..~ ~~ ROUTE OF LAST AFFECTED POINT, PROPOSED CONDITIONS 10 YEAR STORM i; ' ' 3 IO OUTPUT CONTROL VARIABLES IPRNT 3 PRINT CONTROL ~~~, , IPLOT 0 PLOT 'CONTROL i { _ ~ QSCAL 0. HYDROGRAPH PLOT- SCALE ~, IT HYDROGRAPH TIME DATA ~~ NMIN 10 MINUTES IN COMPUTATION INTERVAL ,_ J IDATE 5NOV91 STARTING .DATE - ITIME 1000 STARTING TIME !~, NQ :146 :NUMBER OF HYDROGRAPB ORDINATES _ ~ NDDATE 6NOV91 ENDING DATE NDTIME 1010 ENDING TIME ~ __ ~ ; KENT 1~ CENTURY MARK _ ~, COMPUTATION INTERVAL .17 HOURS ~-~; ;; TOTAL TIME BASE 24.17 HOURS ~ ENGLISH UNITS DRAINAGE AREA SQUARE MILES ~ ~ ,, PRECIPITATION DEPTH INCHES LENGTH, ELEVATION FEET. FLOW CUBIC FEET PER SECOND STORAGE VOLUME ACRE-FEET SURFACE AREA ACRES TEMPERATURE DEGREES FAHRENHEIT ~_-~ ,~ ~ ~ _ ~` ' i ~ u 5' KK ~ LAKE2 ~ ~ ~ ~~- } 4 IN TIME DATA FOR INPUT TIME SERIES JXMIN 10 TIME INTERVAL IN MINUTES ~~ J~DATE 5NOV91 .STARTING DATE l ,, ~{ ~~ JXTIME 1000 STARTING TIME :; SUBBASIN RUNOFF DATA ~~ _ ..__a 6 BA _ SUBBASIN CHARACTERISTICS TAREA ~ 04 SUBBASIN AREA ,.. } ~ ~ ~. PRECIPITATION DATA _ ;_ _. 7 PB STORM 7, 40 BASIN TOTAL PRECIPITATION ~::~ 8 PI .: INCREMENTAL PRECIPITATION PATTERN. 00 00 .00 .00 .00 .00 .00 .40 .00 .00 __ ~~ .00 00 ',00 .00 .00 .00 .00 .00 .00 .00 ~' ~ .00 .00 .00 .00 .00 .00 .00 .01 01 -00 ~. 00 00 .00 ; .00 .00 _ . 00 . Ql - 01 .01 .00 ~.~~ 00 ,`QO -100 .00 .00 .00 _ .OO .00 .00 , 00 j . OO . QO 00 .00 .01 .01 .01 .01 .01 .01 ,01 01 ,01 .41 .Ol .01 .02 .02 ,02 ,13 -----, ~ ~ (~._ ~ ~....,1 - (_._ n ~ _ _ ,13 .13 .02 .02 , 02 .02 ~ 00 .01 .01 .Ol ~~ ' .01 .01 .01 .01 ,01 .O1 .O1 ,01 ,O1 ,Ol ~.~.. ~ _.00 , 00 .00 .40 .40 .00 , 00 .00 , 00 .00 . 00 .00 , 00 , 00 .00 .00 .00 OO .OO , 00 -_, ,oo .oo ,oO .oO ,oo .oO .oo oo .00 _ .oo .oo .oo ,oo ,ao :oo ,oo oo ao .oo ,oO . oo , oo . oo , oo , oo . ao .: ao . oo . oo . o0 ~-_ _ . oo . oo . oo , oo . Oo ~~ ~-' 23 LS SCS LOSS RATE STRTI ~ .35 INITIAL ABSTRACTION ~~ CRVNBR 85..00 CARVE NUMBER ~~ RTIMP `,00 .PERCENT IMPERVIOUS .:AREA. ~ ~~~ 1 24- UD SCS DIMENSIONLESS UNITGRAPH TLAG , 56 LAG ~._..~ ~~~ ~ ~._~ UNIT HYDROGRAPH 19 FND-OF•PERIOD ORDINATES ,~ m, 5 17, 3fl, 33. 29. 21, 13. 8. 6, 4, ~.:, Z. 2, 1. 1. o. 0, 0. 0, 01 r ~ ,~ ~~~ ~~~ ~~~ ~~~ ~~~ HYDROGRAPH AT STATION I~AKE2 i ~ TOTAL RAINFALL - 7, 4a TOTAL LOSS - 1, 74, TOTAL EXCESS = 5, 66 __. PEAK FLOW TIME MAXIMUM AVERAGE FLOW ~ CFS) ~ HR) b-HR' 24-gR 72-HR 24.17-NR 83, 12,33 ~C~S) 21. 7, ?. 7, ~~.~ INCHES) 4 402 5, 598 5 598 5.598 `.., (AC•FT) 10. 13. 13 I3, ,, ' . CUMULATIVE AREA = , 04 SQ NI ~ ~_l ~ ~ U 25 KK ~ DAI~2 ~ ~ ~ ~~ ~_ ~, $YDROGRAPH ROUTING_DATA ..~ ,~ 26 RS STORAGE ROUTING ~~.~ti NSTPS 1 =NUMBER OF SUBREACgES ITYP FLOW TYPE OF INITIAL CONDITION ~-, f ' RSVRIC ,-1,00 INITIAL CONDITION '~ X ~ - .O0 WORKING R AND D COEFFICIENT ~_~, 27 SV STORAGE 3, 4 4 0 4.7 55 6, 4 7.3 8.7 9.5 10.1 ~~ ~ 15.0 ~- -,, i ~,....~ it ,.._ 28 SQ DISCHARGE 0, 12, 18. 22. 25, 28, 31 33. _ 34, '~~ ;~ 37. ,; i `^ ~' 29 SE ELEVATION 287, 50 288,:00 288150 289..00 289.50 290.00 290, 50 291.00 291, 30 ~~~___~ 292 ~ 00 .~, ~ ~~~ ~ _~~ ~~ ' ~ HYDR~RAPH AT STATION DAM2 ^-, PEAK FEW TIME MAXIN(1~f AVERAGE FLOW CFS ~ ~ HR ~ _ 6-HR 24.gR 72-HR 24 ,17-gR 29 13,33 ~CF5~ 21, 7, 7 ?, r~ ., ~ INCHES ~ 4.315 5, 551 5.551- 5.551 ~~ SAC-FTC 10, 13. 13 -13, PEAK STORAGE TIME MAXiMU~[ AVERAGE STORAGE 11 ~~ ~' ~ AC-FT ~ ~ HR ~ ~-HR 24-NR 72-HR - 24.1?-HR i ~.~ 8, 13.33 6. 4. 4, 4. PEAK STAGE TIME MAXIMUM AVERAGE STAGE '' ,, ~ FEET 1 ~ HR 1 6-HR 24-HR 72-HR 24 ,17-HR . ~ 290,23 13 , 33 289, 05 287.95 28?, 94 287., 94 ,~; CUI~LATIVE AREA = 04 SQ MI ~_~ _ ,~ e, 30 KK ~ I,AKE3 ~ ~J 4 IN TIME DATA FOR INPUT TIME .SERIES JXMIN 10 TIME INTERVAL IN MINUTES JXDATE 5NOU91 STARTING DATE ~-~ ~, JXTII~E 1000 STARTING TIME SUBBASIN RUNOFF DATA ~_~.:~ ' 3~ BA SUBBASIN CHARACTERISTICS TAREA , 04 SUBBASIH AREA ,~ ~~ PRECIPITATION DATA ~_ J 32 PB STORM 7.4o BASIN TOTAL PRECIPITATION 33 PI NCREMENTAI, PRECIPITATION PATTERN: oo .oo .oo .oo - ,oo ~,oo ,aa ,oo -loo .oo r.._.~ .00 ,00 ,00 .00 ,40 ,00 .00 ,40 ,00 X00 ,~, oo oa , oo , oo , oo . oo , oo a 1 , 01 - , o0 t~~ F~.~ , 00 .00 , 00 .00 . QO , 00 .Ol , 01 .01 , 00 ~_.~ ~, ~ . ao . oo . oo . oa . ao . a0 . oo , oo . oo , o0 .00 .00 . ~0 .00 , 01 .01 a1 . a1 . a1 Ol . 01 .01 .Ol . 01 .01 , 01 ~ 02 .02 .02 .13 .13 .13 .02 .42 .02 .02 . as . al ~ . 01 , 01 ,~ .O1 .01 .01 .01 .01 .O1 01 :01 .01 .01 ~~~ . 00 , 00 .00 .00 .00 .00 .0a , 00 , 00 . a0 . a0 .00 .00 .Oa 00 .00 OO 00 .00 .00 , oo . oo . as . oo , 00 .Oa . ao . oo , oo . o0 . as . oo . oa , ao , oo . oa . oa , oo , 00 , oa __ .ao .ao .oo .a0 .oa ,oo ,oo ao .oo .ao ~~ - .00 .00 .a0 .00 ,00 ~ ~ ~~r 48 LS SCS .LOSS RATE STRTL 35 INITIAL ABSTRACTION CRVNBR 85,00 CORUE NUMBER ~~~ a RTI MP ~ C V 00 PER ENT IMPER IOUS AREA t ~ 49 UD SCS DIMENSrONLESS UNITGRAPH ~~ TLAG 23 LAG ~~~ ~~ OMIT HYDROGRAPH 9 ..END-OF-PERIOD ORDINATES.. ~. 29, 55, 32. 13. 6, 2, 1.:_ 0, 0. , HYDROGRAPH AT STATION LAliE3 ~ L_ . TOTAL RAINFALL = 7,40, TOTAL LOSS = 1,74, TOTAL EXCESS = 5.66 PEAK FLOW _ TIME MAXIMUM AVERAGE FLOW CFS j ~ HR j 6-HR 24-gR 72-HR 24 ,1'I-HR -~ 95, 12.00 ~CFSj 17.: 5. 5. 5, INCHES j 4-.409 5.631 5, 631 : 5.: 631 . SAC-FTj 8. 11, 11, . 11, CUMULATIVE AREA = , 04 SQ Mi , ~ ~ _ ~, ~ 50 KK ~ INFLOW TO FAKE 3 ~ I, ~ ~~ . ', ~ 51 HC ~ HYI}R~RAPH COMBINATION ~__~ ICOMP ` 2 NUMBER OF HYDR~RAPHS TO COMBINE ~ ~_~ ,, ~ ~ ~~~ _ ~, ~ J ;~ ~~~ ~~~ ~~~ ~~~ ~~~ i i ~ ~~ HYDR H OGRAP AT STATION.. INFLO r- ~f ~~ i ' ~ ~ ~ .. - - .. PEAK FLOW TIME MAXIMUM AVERAGE -FLOW ~ {:CFS ~ ~ MR ~ 6-HR 24•MR 72-HR 24.17-gR 110,. 12,00 ~CFS~ 37. 12. 12 12. IVES) 4.306 5..587 5.587 5.587: ~ i ~ AC-FT 18. t ~ 24. 24. 24, ---_ CUMULATI~IE AREA = .08 SQ Mi _ ,, ~__ `~ `; U ~ ~ 52 KK ~ DAM3 ~ r--, ~, i ~~~~~~~~~~~~~~ _~ HYDR~RAPH ROUTING DATA ,~ 53 RS STORAGE ROUTING.. NSTPS 1 NUMBER OF SUBREACHES ITYF STOR TYPE OF INITIAL CONDITION ~~ ', '~ RSVRIC -1:..00 INITIAL CONDITION X , 00 WORKING R AND D'' COEFFICIENT 54 SV STORAGE 1,5 22 3,2 3.8 4.4 5.4 5,7 6.1 6,4 ,, ~ ~.6 6,8 ( 7.1 ~, 56 SQ DISCHARGE 0. 71, 100, 112. 122. 136. ' 135. 143. 146. ~ ~ 148. 150, 153. f 58 SE ELEVATION 280.Q0 281.x0 ,282.00 282.50 283.00 283.69 283,89 284.09 284.29 284.37 284.49 284,69 ~~ ~~ i ~~~ ~~~ ~~~ ~~~ ~~~ BYDROGRAPH AT STATION DAM3 ~~ PEAK FLOW TIME MAXIMUM; AVERAGE FLOW (CFS y (HR ~ 6-gR 24-~R 72-HR 24.1?-HR 90, 12,33 ~CFS~ 37. 12. 12. 12. E ~:INCHES~ 4,303 5.5?7 5,577 5.577 ~~ SAC-FTC 18, 24. 24. 24, ~ ~ FEAK STORAGE TIME MAXIMUM AVERAGE STORAGE ~ AC-FT } ~ HR) d-HR 24-NR 72-gR 24.17-HR 3. 12.33 2,: 2. 2, 2, ~; PEAK STAGE TIME MAXIMUM AVERAGE STAGE ~ FEET) ~ HR) 6-HR 24-HR 72-gR 24 ,1?-HR ,, 281.65 12.33 280:.56 280.18 280.18 280.18 CUM(ILATIVE AREA = .08 SQ MI ,, i i~ ~_~ _ ~F~~ ~~~ 7L 7i 7t if 7Gi~ ~~~ ~~~ ~7G7G ~~A ~~~ ~~~ ~~~ ~~~ 7i 7G 7f 7i~'75 7~~'~ ~'~~ ~~~ 7G 7G 7t ~7f7C ~~~ ~~~ ~~~ ~'~~ ~iG7~ ~~~ ~~~ 7~7F7G 7i~G~ ~~~ 7~~ii ~~~ ,t d0 l~i~ ~ DOWNSTREAM ~ ~, ~_~~ r~ ~ 4 IN TIME DATA FOR INPUT TIME SERIES JXMIN 10 ~'IME INTERVAL N MINUTES . a JXDATE 5NOV91 STARTING DATE ~~ JXTIME 1000 `STARTING TIME SUBDASIN RUNOFF DATA ,~ ~ _ ~ d1 BA I SUBBASIN C~CARACTERIST CS ! ~ TAREA 0~ SUBBASIN AREA ~--~ PRECIPITATION DATA ~~ ~.~ d2 PB STORM 7,40 BASIN TOTAL PRECIPITATION ~,, d3 PI INCREMENTAL PRECIPITATION PATTERN ~~ .00 .00 .00 , 00 .OO .00 .00 , 00 , 00 .00 .00 .00 _ . 00 .00 , Op , OO 00 00 .00 .00 -- .00 .00 .0O ,00 .00 .00 .40 01 .01 -, 00 ; 00 .00 .00 .00 .00 ,00 01 ,01 .01 ,00 . 00 .00 .00 .OO .00 .00 .00 00 , 00 .00 .00 ,00 ,00 .00 ,01 01 .01 .01 .01 ,01 i, :01 , 01 .01 , 01 .01 .01 . ~2 .02 .02 ,13 _, 13 ,13 .02 ,02' .02 ,02 00 ,01 .01 ,Ol ' 01 ,01 .01 .01 ,Ol ,01 ,01 ,01 ,01 ,01 ~~~ , 00 , 00 , 00 .00 .00 , 00 .00 .00 .00 _ .00 ~~~ 00 .00 .00 .00 .00 , 00 00 .00 .00 , 00 00 .00 , OO , 00 - . 00 .00 , 00 00 .00 00 - 00 .00 .00 , 00 , 00 , 00 , 00 .00 .00 , 00 ~~ 00 , 00 , 00 .00 .O0 , 00 .00 , 00 , 00 , 00 ~~ 00 , 00 .00 , 00 ' .00 ~ ~; 78 LS SCS I~SS RATE STRTL . 35 INITIAL ABSTRACTION CRUNBR 85.00 CURVE `NUMBER ~' RTIMP .00 PERCENT IMPERVIOUS AREA ~~1 79 i1D SCS DIBENSiONLESS UNITGRAPH ~-~-, TLAG 02 LAG ~ - , ~~~ ~~~ UNIT HYDROGRAPH ~_~ 5END-OF-PERIOD ORDINATES 72, 20 4, 1. 0, u HYDROGRAPH AT STATION DOWNSTEAM ;_ ;~~ '--~ TOTAL RAINFALL = 7, 40, TOTAL LOSS = 1.74 TOTAL EXCESS = 5, 66 ~~ ~.~ ~~' 1 L__ _ PEI{ FLOW TIME MAXIMUM AVERAGE FIAW { CFS) (HR) b-HR • - 24 HR 72 HR 24 ,17-HR I- ~ 81. 12,.00 {CFS) 12, 4. 4, 4, {INCHES) 4,411 5,645 5,b45 5,645 ~-~~ CUMUUATIVE AREA = .03 SQ MI ~- -~ ~. ~ ~ ~~.~ 8O KM ~ DOWNSTREAM ~ ~, ~:_' $1 HC gYDROGRAPH COMBINATION ~, ICOMF 2 NUMBER OF HYDROGRAPHS TO COMBINE ~~ ~ ~ ~ HYDROCRAPH AT STATION. DOWN$ r--7 ~ ~ PEAK FI~W TIME MAXIMUM A GE VERA Fi,OW _ : { CFS) (HR) b-HR 24•HR ?2-HR 24 ,17-HR ~_-~ 159. 12,00 (CFS) 49, i6, 16, 16, ~ ~~ `{INCHES) 4 299 5, 593 5, 593 5::593 {AC•FT) 24, 31, 31.' 31. .. r~ CUMUDATIVE AREA = .11 SQ MI ~~~_ ~.._~ f ~_ n_~ I _ ~_; I ~_.._J ~~ I i _ . . T""'~ i it 1 { ~ 'I L i . _.~ i I) i ii ~. i ' i ~ _. ._.' ~.. _ .- .. ....__~ i RUNOFF SUI~IARY a FLQW N CUBIC FEET PER SECOND TII~ IN HOURS, AREA IN SQUARE I~ILES F ' . '~ ~ ~ PEAK ,TIME aF AVERAGE FL4W FOR- I~AXI1dUI~ PERIOD BASH NAXII~UN TIDE OF { OPERATION STATION FLOW PEAK 6-HOUR 24-HOUR 72-HOUR AREA STAGE SAX STAGE HYDROGRAPH AT I,AKE2 83. 12, 33 21, 7, 7. .04 ROUTED TO DAI~2 29, 13.33: 21. 7. 7 .04 290.23 13,.33 j ~, 1 - -~ HYOROGRAPH AT I~AKE3 ~5, 1R.00 17. 5. 5, ,04 _.~ 2 CONBINED AT INFLO 110, `12, 00 37. 12, 12, , 08 u .ROUTED TO DA~I3 90, 12, 33 37. 12. 12:1 .08 281.65 12.33 ~.-;, ;; HYDROGRAPH AT DOWNS 81. 12.00 12, ~ 4. 4. ,03 ~~_ ~~ 2 COIH3INED AT DOWNS 159, 12,00 49. _ ~6. 16. .11 ..,~ ~; --~ ~~ ,, _~ ~~ ~ _ ~_~ ~. ~ ` 1 ~v F ~, ~~ ~, ,- , ~~ ~, ~~__~ ~_~ -~ ~j ~~ ~~ _J r_~ APPENDLX rs ~ rt ~___~ HEC-1 INPUT PAGE 1 ~._,~, DINE ID .,...,1,,..,..2.._ ,,...3...,,..4. ,.,,..5 .....,.6. ,...,.7. ..,...8, ....,.9.. ,...10 ~_ J 1 ID ROUTE OF FAST AFFEECTED POINT., EXISTI~iG CONDITIONS .100 YEAR STORM 2 IT 10 5NOV91 1000 146 ~.~ , 3 I0 3 0 0 ~.~LL._ 4 iN 10 5NOV91 100Q ~,~~~ 5 KK LAKE2 i b BA .0445 ~_ ~ 7 PB 11 ~~ 8 PC 0 .0018 , 0035 .0053 .0071 ::0090 .0108 .0122 .0145 , 0164. r ~ ' ~~ 9 _ PC .0184 .0203 .0223 '.0243 .0264 .0284 .0305 -` .032E ,0347 . .0369 10 PC , 0392 .041:4 0437 .0460 , 0483 .0507 , 0531 .0555 .0607 , 0660 11 PC ,0632 .46.59 ,0685 .4712 .0714 .0716 ,0719 .0775 ,0831 .0887 ~.. , 12 PC .0919 -:.0952 .0984 .1019 .1054 .1089 ,1127 .1165 .....1203 ,1245 k_~ ~ 13 PC ~ .1286 .1328 13?4 .1421 .1467 .1520 .1572 .1625 .1686 ,1747 14 PC .1808 .1886 .:1964 ~ .2042 , 2145 .2248 .:2351 ~ .2512 ~ x.2672 ..2833 15 ~ PC .4099 ~ , 5366 .6632 ,6872 .7111 , 7351 ..7575 .7600 ` .7724 ,7812 j ~ ~ 16 PC .7901 , 7989 :.:8058. .8:128 .8197 .8258. , 8319 ~ . $3:84 , 8433 .8485 `-~ ~ ~ 1.7 PC .8538 ~ .853$ ~ , 8584 .8630 . ,8676 . 8718 .8759 .88:01 ~ .8839 .8876 ;..__ 18 PC , 8914 , 8949 ,$984 .9019 .9051 .9083 9115 .9145 , 9176 9206 , ~~ 19 ~ PC .9234 .9263 ~g291~ .9318: ~ .9344 ,9371 .9396 ,9421 .9446 :,9470 ~~ ~ 20 ~ PC ,9495 .9519 - 9542 .9565 ,9588 .9610 .9631 .96:53 .9674 .9696 21 ~ PC ~ , 9717 , 9737 9757~~ .97?7 .9797 .9814. .9836 ,.9854 .9873 .9892 ~~ ~ ~ ~ 22 ~ PC ,9910 .9929 ,9947 .9965 ~ .9982 1 ~23 ~ LS - 0 ~ 79 0 ~~...~ 24 UD ~56 ~_, 25 KK hAKE3 ~~_.~ 26 BA .0230 27 PB 11 _1 '~~ 28 PC 0 .0018 .0035 .0053 .0071 .0090 .:0108 .0122 `.0145 .0164 ' ~~ 29 PC .0184 (.0203 .0223 .0243 .0264 .0284 , 0305 , 0326 .0347 ,`0369 30' PC .0392 , 041.4 .0437 .060 , 0483 0507 , 0531 .0555 .0607 .0660 --~~ 31 PC .06.32 .0659 .0685 .0712 .0714 .0716 .0719 .0775 .0831 , 0887 ~ 32 PC ,0919 `.0952 . ..0984 .1019 ,1054 .1089 .1127 .1165 .1203 .1245 `~_~ 33 PC .1286 _ .1328 .1374 .1421 .1467 .1520 .1572: .1625 .1686 .1747 ~n__ 34 PC ,1808 .1886 :1964 .2042 .2145 2248 , 2351 .2512 .2672 .2833 i ~ 35 PC .4099 ..5366 .6632 .6872 .7111 .7351 .7575 , 7600 .7724 .7812 ~_.~~~4 36 PC .7901 .7989 .8058 .8128 , 839:7 .8258 .8319 .8380 .8433 .8485 ' 37 PC .8538 .8538 .8584 .8630 , 8676 8718 .8759 .8801 . $839 , 8876,.:.. ,... `~i ~~ 38 PC .8914 .8949 .8984 .9019 .9051 ..9083. .9115 .9145 , 9176 .9206 39 PC , 9234 .9263 .9291 .9318 .9344 1.9371 .9396 , 9421 , 9446 , 9470 40 PC .9495 ..•:.9519 19542 .9.565 .9588 .9610 .9631 .9653 , 9674 .9696 41 PC .9717 , 9737 .9757 .9777 .9797 .9816 .9836 .9854 .9873 - .9892 42 PC .9910 ` .9929 .9947 .9965 .9982 1 43 LS 0 79 0 ~__~~ 44 UU X35 ;~ ~... ~ 45 KK INFLOW TO LAKE 3 f: - F,_,,,~1 i ice: i I. 46 HC - 2 ~--- ~ ; HEC~1 INPUT PAGE 2 ~ ~ ~~ I .LINE ID ,.....1.,.....2.,.,.,.3...,,..4. :.....5...,.,.6.......7, ......8.......9,..,..10 ~ ~,~,~ 47 hK DOWNSTRE~I ~',.1 48 BA .0290 4~_~ , 4g P$ 11 50 PC 0 , 0018 .0035 .0053 ' .0071 ,0090 .0108 .0122 .0145 ..0164 ~- ~ 5Z PC .0184 .0203 0223 .0243 .024 .0284 ..0305 .0326 , 034? ,0349 ~ ~ ~ { 52 PC .0392 .0414 0437 .:0460 .0483 .0507 .531 .0555 .0607 :0660. 53 PC , .032 .0659 ,0485 .0712 .0714 ,0716 .4719 .0775 ,0831 .0887 i ~ , 54 PC .0919 .0952 0984 .1419 .1054 ,1089 .1127 .1165 ,,1203 .1245 55 PC ' .1286 .1328 ,13?4 .1421 .1467 .1520 ,1572 ,1625 .1686 .1747 ~--' 56 PC .1.808 .1886 ,1964 .2042 , 2145 , 2248 .2351 .2512 .2672. ..28.33 57 PC .4099 .5366 .6632 ` .6.872 , 7111 , 7351 .7575 .7600 ', 7724 , 7812 58 PC .7901 .7989 -8058 , 8128 .8197 .8258: .8.319 _ .8380 , 8433 .8485 ~~ 59 PC .8538 .:..8538 8584: .8630 .867b .8718 .8759 ,, 8801 , $839 , 8874 60 PC .8914 , 8949 . $984 .9019 .9051 , 9083 , 9115' .9145 , 9176 .:9206 r~, 61 PC .9234 .9263 .9291 .9318 .9344 .9371 .9396 ` .9421 .9446 9470 ~ 62 PC .9495 , 9519 .9542 .9565 , 988 , 9610 .9631 .9653 .9674 , 9696 _! 63 PC .9717 .9737 .9757 .9777 , 9797 .9816 .:9836 .9854 .9873. .9892 64 PC .9910 .9929 , 9947 .99b5 _ .99$2 1 65 LS 0 79 0 66 UD ' .41? _ ~-~ 67 I0~ DO~NSTR EAId ~ ! !~, b8 HC 2 69 Z~ 1 ~--~ ~; ;~ ~. r !~ ,, ,i _~ ~` ~~~ ~~ ~l ~~ ~~ - ~, J ~~~~ ~ ' ROUTE OF LAST AFFEECTED POINT, (EXISTING CONDITIONS 100 YEAR STORM __~ 3 I0 OUTPUT CONTROL VARIABLES ' ' I IRINT 3 PRINT CONTROL ~ I (PLOT 0 PLOT CONTROL ~-~_~ ~SCAL 0. HYDROGRAPH PLOT SCALE ~i IT HYDROGRAPfl TIME DATA- ~ NMIN 10 MINUTES IN COMPUTATION INTERVAL ' (DATE 5NOV91 `STARTING DATE ~, (TINE 1000 STARTING TIME _ ~ NQ 146 NUMBER OF HYDROGRAPfl ORDINATES NDDATE 6NOV91 SIDING DATE NDTII~E 1010 ENDING TIME i ~ ICENT 19 CENTURY DARK ~,~ COMPUTATION INTERVAL .17 HOURS ~~ TOTAL TIME BASE 24.17 HOURS ` ~ ~ ENGLISH :UNITS DRAINAGE AREA U SQ ARE MILES ~: PRECIPITATION DEPTH INCHES LENGTH, ,ELEVATION FEET _ FLOW CUBIC FEET PER' SECOND ~ ~ STORAGE VOLUME ACRE-FEET SURFACE AREA ACRES TEMPERATURE DEGREES FAHRENHEIT ~, ~I ~ ~ i SIiK ~ LAIiE2 ~ ,r ~ i~ ~~~~~~~~~~~~~~ ~_ . ~ IN TIME DATA FOR INPUT TIME SERIES JXMIN 10 TIME INTERVAL IN MINUTES ~; ~ JXDATE 5NOV91 STARTING DATE JXTIME 1000 STARTING TIME mm~ SUBBASIN RUNOFF DATA 6 BA SUBBA$IN CHARACTERISTICS ~ ~ ; TAREA , 04 SUBBASIN AREA ~~ PRECIPITATION DATA ' 7 PB STORM 11.00 BASIN TOTAL PRECIPITATION PI INCR~fENTAL PRECIPITATION PATTERN ,00 .00 .00 _ .00 ,04` .Od ,00 .00 .00 .00 ~~ ~-~ ,00 .00 .00 .00 .00 .00 ,00 -.00 X00 .00 00 .00 - .00 .00 .00 .00 .00 .01 .Ol -.00 j, ~; 00 .00 .00 ` .00 .UO .00 .01 01 .01 .00 r -, ': ~ i I... _-~ 1 ~ ~ 00 , 00 _ .00 r Oo , 00 .00 , 00 .00 , 00 , 0 0 L---J roo ,00 .00 ,00 .01 ,01 01 .01 ,01 ,01 - ,01 .Ol ,01 r01 .01 .d1 ,02 .02 .02 .13 ,13 .13 .02 - .02 42 .42 00 Ol .01 , O1 ,01 .01 .01 r01 01 01 .01 01 .01 ,01 . 00 , 00 , 00 , 00 , 04 , 40 .40 .OO .00 .00 . oo , oa . ao . oo . oo oo oo . oo . oo , Oo . oo . oo , oa . oo . oa , oo . oo . 00 . oo . o0 .oo .oo ,oo .oo .ao ,oo ,oa oa .ao ,oo ~ , oo . oo r oo . oo , oo . oo . ~o , oo . oo _ . o0 ~~ ~ ~~ , oo . oo . oo . oo ~o ~~ -- 23 LS SGS LOSS RATE ~, ~ STRTL .53 INITIAL ABSTRACTION , CRVNBR 79.00 CURVE NUMBER RTI~IP , 00 PERCENT IMPERVIOUS AREA ~rz~ 24 UD SCS :DIMENSIONLESS UNITGRAPH TLAG , 56 LAG ~~~ ~..a UNIT HYDRO~RAPH r~ ;~ 19 END•OF-PERIOD ORDINATES ~ 5 17. 30, '33, 29, 21. 13r 8, ~, 4, - 2. 2. 1, 1, 0. o, ` 0 0, 0. ~ ~ , ~ HYDROGRAPH AT STATION LAKE2 ~ ~_ TOTAL RAINFALL: = 11,00, TOTAL LOSS = 2.62, TOTAL EXQESS = 8.38 ~~~~ PEAK FLOW TIME 1~XiMIJM AVERAGE FLOW CFS) (HR j 6_gR 24-HR 72-HR 24.17•HR -123, ' 12, 33 (CFS j - 31, 10, 10,: 10. `(INCgES) 6.524 - 8 , 29.3 8.., 293., 8.293 SAC-FTC 15. 20. 20 20. CUM(1LATIVE AREA = 04 SQ MI ~~~ ~~~ ~~~ ~~~ ~~:~ ~~~ ~~~ ~~~c ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ `~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~ ~ ~ 25 KK ~ LAKES ~ 4 IN TIME DATA FOR INPUT TIDE SERIES ~ JXI~IN ' `10 :TIME INTERVAL N MINUTES ~,. JXDATE 5NOV91 STARTING DATE JXTIME 1000 STARTING TIME ~---~ ,~ ~~ i -_...I ~ E_ I ~ .. ~ ~ ~~ ~ - .. ~ I 1r_. f } ~.. '~ _ _; UBBASIN RUNOFF DATA 26 HA SUBBASIN ~CTERISTICS . ~~ ! ~_,,~ TAR~A , 02 SUBBASIN AREA PRECIPITATION DATA ~_ ~ 27 PB STORM 11.00 BASIN TOTAL FRECIPITATIGN 28 FI INCREI~E~TAL PRECIPITATION PATTERN .00 .00 ,00 .00 .00 .OO .00 00 .00 .40 ~~ ;._00 , 00 .00 , 04 ~ .00 .0.0 00 .00 00 .00 _ .00 .00 .40 .00 .00 .00 . ~0 C 01 .01 • 00 ~ ' .00 .00 .00 , 00 .00 .00 . ~1 .01 .01 , 00 00 .OQ , 00 .00 , 00 .00 , 00 , 00 .00 .00 .00 ' .00 .04 .04 . oZ .01 , 41 .01 01 .01 -_~ . Ol . Ol I .01 .0~ , 41 .Ol . 02 02 , 02 .13 ~ _ .13 .13 .02 .OZ .02 .02 - 04 .O1 .01 , Ol :01 .01 .01 .01 .O .O1 41 01 ,01 ,01 ~ ~--~ ,00 ,00 .00 ,00 ,00 .00 .40 .On .00 ,00 , ~ oo . oo . oo , oo , ~o . oo , ao oo , oo . o0 ~ ,oo .oo .oo .oo .oo .oo OO oo .oo .oo ___, 00 , 00 , 00 .00 .Od - .00 , 00 .00 00 , 00 oo , oa . oo , oo . oo oo , oo , oo . Oo . ao . oo , oo , oo . oo . ao ~~ 43 LS 5CS LASS RATE ~~.~ STRTL 53 INITIAL ABSTRACTION CRUNBR 79,00 CURVE NUMBER RTIMP 00 PERCENT IMPERVIOUS AREA ~, ~ ~_~ ; 44 UD SCS DIMENSIONLESS UNITGRAPH r, TLAG 35 LAG ~~~ UNIT HYDR~RAPg _ 12 END-OF-PERIOD ~ ORDINATES _ 7. 23. 25, ` 4. 16. ~ 8. ~~ ~ 2, 1~, ~ ~ ~,, U, 0. 4. ti ~, ~~ i .- HYDROGRAFH AT STATION LAKES _ -..__ TOTAL RA INFALL = 11.00, TOTAL LOSS = 2 b2, TOTAL EXCESS = 8.38 ,~ ~; i PEAK FLOW TINE MAXIMUM` AVERAGE FLO6d I~ CFS ~ ~ HR ~ b-HR 24-HR - 72-HR 24.17•HR $1. 12.17 ~CFS~ 16, 5, 5. 5. INCgES 1 6 532 8, 324 8 ~ 324 8,:324 ' ' ' . ~ AC•FT 8. ~ ~ 1O~ 10. 10. ~1 CUMULATIVE AREA = _ ,02 SQ MI ~ ~ ; ~~ ~} _ i, 1_ ,~ ~.~:.J ,.~..~ ~~.._I l~ I ~~ 45 KK ~ INFLOW TO LAKE 3 ~ ___ ,~ ',~ 46 HC HYDROGRAPH COMBINATION ,..,~ IC~MP 2 NUMBER OF HYDROGRAPHS TO COMBINE , ~~~ i~ HYDROGRAPH AT STATION INFLOW ~.ml PEAK FLOW TIME MAXIMUM AVERAGE FIAW `' (CFS ~ ' ~ HR ~ 6-HR , 24-HR 72-gR 24 ,17-HR . 191. 12.33 ~CFS) ` 47. 15, 15, 15. ~-~ (INCHES ~ ' 6, 526 8.303 8 , 303 8 ~ 303 _ SAC-FTC 23, 30, 30 30. L CUMULATIVE AREA = .07 SQ MI '' ~~ ~ ~ 47 KK ~ DOWNSTREAM ~ ~ ~ ~~ t.._~~ 4 IN TIME DATA FOR INPUT TIME SERIES _ .~ JXMIN 10 TIME INTERVAL IN MINUTES i_~~ JXDATE 5NOV91 STARTING DATE JXTII~E 1000 STARTING `TIME 1 5UBBASIN RUNOFF DATA 48 BA SUBBASIN C~fARACTERISTICS ~' ~~~ TAREA .03 SUBBA$IN AREA PRECIPITATION DATA ~_._.~ 49 PB STORM 11.00 BASIN TOTAL, PRECIPITATION 50 PI INCREMENTAL PRECIPITATION PATTERN .00 .00 .00 ,00 .00 .00 .00 .00 ,00 ,04 ~ ti0 .00 .00 .0 0 .00 .OQ .00 ,00 .00 ,00 _ .00 00 .00 .00 ,00 .00 .00 .Ol .Ol -00 , ,00 ,00 .00 -.00 .00 .00 .OI .01 .Ol 00 _. . oo , 00 , ao _ .00 . oo . ao .04 , oo , 00 _ , o0 .00 f00 .00 .00 ` .01 .Ol .01 ,01 .01 ,01 ~~ ;~ .Ol .Ol .01 .01 ,.: ,01 .01: ,02 .02 02 ,13 ~~ F---- !! ';~ . ~, _ ~~-- -- . _._ ~ '~ .13 ,13 .02 , 02 .02 02 00 01 .01 .01 ,01 .01 .01' .01 .41 .D1 U1 .01 .Ol - .Ol ~_ ~ ,00 ,00 ,00 .00 ,00 00 X00 .00 .00 .00 .00 ,00 ,00 .00 .00 .00 ,00 .00 .00 ,00 ~. _J~ . 00 .00 , 00 , 00 .00 .00 , UO 00 .00 .00 .00 .00 .00 , 00 .00 , 00 fl0 00 .00 .00 _ ~ , .00 .00 .00 .00 .00 ,00 .00 .00 .00 .00 ; ~.__~ .00 ` ,00 .~4 ,00 .00 ~~ ; ~5 LS SCS I~S5 RATE ~ ~~ STRTL .53 INITIAL ABSTRACTION ~ CRVNBR 79.00 CURVE iHJMBER - RTIMP .00 PERCENT IMPERVIOUS AREA 66 UD SCS DIMENSIONLESS UNITGRAPH TLAG .42 LAG ~_, ~:~~ ~ UNLT HYDROGRAFH ' 15 END-OF-PERIOD ORDINATES 6 22. 28, 23. 14. 8, 5. 3 2 1. I, 1. 0, 0, 0, 0, ~` HYDROGRAPfl AT STATION DOWNSTREAM ~, TOTAL. RAINFALL' = I1.00, TOTAL LOSS = 2, 62, TOTAL EXCESS - 8.38 ;~--~ ~ PEAK FLOW TIME - NAXII~UI~ .AVERAGE FI~W ~ .~~ { CFS ~ , { HR) b-HR ( 24-UR 72-gR 24 ,17-HR - 93. 12,17 {CFS~ 20. b. 6 b. ~ - { INCHES 6, 529 8.314 $, 314 $,:314 `_-~ {AC-FTC 10. 13, 13. 13. CUMULATIVE AREA = , 03 SQ ICI ~ L ~~~ ;~~~ ~~~ ~C~~ ~lk~ ~~~ ~~~ ~~~ -#~l~t ~~~ ~~~C ~C~~ ~~~ ~~~ #~kik ~~~ #~~t ~~~ ~~~t 1k~~ ~~~ ~~# ~~~ ~~~ ~~~t ~~c~ ~k#~' ~~~t ~~~ ~~~ ~~~ ~~ i ~ ~~#~~~i~~~~~~~~ L_ _J ~ ~ 67 KK ~ _ DOWNSTREAM ~ ;_ _, ~ ~ ,; ~ b8 HC BYDROGRAPH COMBINATION !:_J ICONP 2 `NUMBER OF HYDROGRAPHS TO COMBINE ~~~ ,--- - ~: ~. r ~_l r ..~ i ~ ~.___.1 ' 1 ~~ I' ' HYDROGRAPH AT STATION DOWNSTREAM ~., i PEAK FI~W TIME ~AXi AUERACE FLOW ~~ ~ CFS HR 6.gR ~ ~ ~ ~ 24-HR ~ 72.E 24.17-HR ~ 279- 12.17 ~CFS) ~8. 22. 21, 21. ~ iHCHES ~ 6, 527 8, 307 8 , 307: $ .307 r ._ SAC-FTC 34, 43. 43. 43, CUMUI~TIVE AREA = .10 S~ HI ~--, i ~.~ .~ , '~~ _i x--~ ~a ~- ~; ~ a 1 - _ r, ~i ~~ ~_ ~-~} ~~~ ~v ~.~ ,, ,, ~' ~µ~ --- .~ - - , ~~ ,, ~,: ~~ ~' ~, ~, ,~ I~ ~.. ~ I { '.~ ~' f '" yI ~_.:r ' UNOFF SU~Q~ARY FLAW IN CUBIC FEET PER SECOND ~ TIME IN HOURS, AREA IN SQUARE 1~II-ES ~: PEAK TII4E OF AVERAGE FI~W FOR NAXiMII~I PERIOD BASIN ~XII~UI~ TIDE OF r~ OPERATION STATION.. FDOW PEAK ~•HOUR 24•HOUR 72•HOUR AREA STAGE SAX STAGE ~~ ~~ r~~ YDR(~RAPH AT iKE2 23. 2.33 31. Z0. 10. 44 ,~ ;, HYDROGRAPH AT LAKES 81. 12.17 16. 5. 5. , 42 ~v~ _ ~; 2 COMBINED AT _ INFLO 191, 12.33 47, 15. 15. .O7 Fl -;' HYDROGRAPH AT _ DOWNS 93. 12.17 24, b. 6. .43 '; ~ 2 CONBIHED AT DOWNS 279. 12,17.. ~8, 22, 21. ,10 r ~.v~ r~ _~ ~' ~_ i ---~ ~~~ L,~ ;~ ;, , ~. ~; ,~ 1~ L~ - ~ _, ,; ~~ ~_: rT~~ ~_._. ~' ,, ~~~a ~---, L ~~ ,. ~..~ - APPENDIX «~ ~f - HEC-1 INPUT PAGE. 1 ~, LINE ID ,.....1......2. .....3 ,...,..4. 1.....5...,..b. ...,..7. ......8. ......9.. ....10 1 ID ROUTE OF LAST AFFECTED POINT, PROPOSED CONDITIONS 100 YEAR STOIC ~. ~ 2 IT . 10 5NOV91 1000 146 3 I0 3 0 0 ,,_,. 4 IN 10 5NOV91 1000 :__ 5 KK LAKE2 ~~--~ d BA .445 7 PB 11 ~~~ 8 PC 0 .0018 .0035 .0053 .0071 .0090 .0108 .0122 :.....01:45 , 0164 9 PC .0184 .0203 .0223 .4243 .0264 .0284 .0305 .0326 .0347 .0369 r~ 10 PC - .03.92 .0414 .0437 ..0460 , 0483 .050? .0531 - .0555 ` .0607 .06b0 ~-.~ 11 PC .0632 .Ob59 0685 .0712 .0714 0716 .0?19 , 0775 .0831 .0887 12 PC .0919 .0952 .0984 .1019 .1054 .1089 .1127 .1165 .1203 -1245 ~._.., 13 PC .1286 .1328 .1374 .1421 .1467 ,1520 .1572 .125 .1686 ,:1747.. 14 PC .1808 .1886 .1964 .2042 .2145 , 2248 .2351 .2512 2b72 .:2833 15 ' PC .4499 .5366 .`6632 .6872 .7111 .7351 .-7575 ,7600 .7?24 .?$12 .~ _ ,, 1d PC .7901 .7989 8058 .8128 .8197 .8258 .8:319. .8380 ~ 8433 .8485 ' 17 PC .8538 .8538 :8584 .8.630 ` .8676 , 8718 , 8759 .8801 , 8839 .8876 18 PC .8914 - .8949 8984 .9019 .9051 .9083 .9115 .9145 ' .917b .9206 19 PC .9234 .9263 .9291 .9318 .9344 .9371 ..9396 , 9421 .9446 .9474 ' ~ ~; 20 PC . X495 .9519 9542 .95b5 .9588 , 9b10 .9b31 .9653 , 9674 .9696 .~ 21 PC .9717 , 9737 ,9757 .9777 .9797 .9816 .9836 .9854 .9873 .9892 22 PC .9910 :.._..9929 .9947 .9965 .9982 1 .., 23 LS 0 85 0 _ ~ ~_~~ 24 . UD 56 ,_.,., 25 KK DAM2 26 RS 1 FLOW -1 ~..~ 27 SV 3, 4 4 4.7 5.5 b4 7.3 8.7 9, 5 10.1 15 28 SQ 0 12.47 17. b3 21 R b0 24.95 27.89 30, 55 33.00 34.38 37.42 ~ ~ . _1 1 29 SE 28.7:, 5 2$:8 288.5 289 289, 5 290 290.5 291 291 ~ 3 292 r 30 KK LAKE3 31 BA .0358 ~I 32 PD 11 _ - ~ 33 PC 0 .0018 .0035 .0053 .0071 .0090 .4108 .0122 .0145 .41b4 ~ ~ 34 PC .0184 .0203 .0223 .0243 .0264 ~ .0284 .0305 .0326 .0347 .0369 ~~ ~ ~ ~ 35_ PC .03.92 .0414 .0437 .0460 .0483 ,0507 .4531 .0555 .Ob07 ,ObbO , -~ J 3b _ PC .0632 .Ob59 ,0b85 .07:12 - .0714 0?lb .0719 .0775 .0831 ,088? ~ 37 PC .0919 .0952 .0984 .1:019 .1054 ,:'1089. ,1.127 .1165 .1203 .1245 ~T ~ ,, - - 38 PC .128b `.1328 .:1374...• . .1421 .1467 .1520 .1572 .1625 .1686 .1747 a ~ 39 PC .1808 .1886 ~ 19b4 .2042 .2145 2248 .2351 .2512 , 2b72 ..2833 _ 40 PC .4499 .5366 6b32 .6872 .7111 , 7351 .7575 .7600 , 7724 ` , 7812 _ , 41 PC . ?901, .1989 .8058 . .8128 .8197 , 8258 .8319 .83.80 , 8433 ..8485 42 PC ..8538 .8538 .8584 .8630 .8676 .8718.. .8759 .8$01 .8839 .8876 43 PC ..8914 ' .8949 .8984 .9Q19 .9051 .9083 .9115 .9145 .91?6 , 9206 44 PC .9234 .92b3 .9291 .9318 .9344 :9371 .9.396 .9.421 944b .'9470 ~ ~ 45 PC .9495 `.9519 .9542 .9565 .9588 9b10 .9631 .9653 9b74 .9696 _J 46 PC .97I? ...9737 .9757 .9777 .9797 , 981b .9836 .9854 .9873 .9892 47 PC .99:10 .9929 .9947 ' .9965 ~ .9982 ~~ 1 ,..~_ i.w~ 49 UD .233 C_ ,; ~i rl L_~J I~ HEC•1 INPUT PAGE 2 '; k ._ ~ LINE ID. ......1, .....2. .:...,3. ...,..4......,5. ......6. .,....7. ..,...8. .....,9. ....,10 ~ ~~ .~ 50 KK INFLOW TO LAKE 3 51 HC 2 ..~ ~ 52 ILK DAM3 ~ 53 RS 1 STOR -i i~ ~ 54 SV 1.5 2 2 3. 2 3.8 44 5.4 5.7 6.1 6.4 _6.6 ~~ ' I 55 SV 6.8 7,1 56 SQ 0 70.6 99.8 111. b 122.3 135. b 15.2 142.8 146.2 147.6 57 5Q i49.6 152.9 58 SE :280 281 282 282.5 283 283, 69 283.89 2$4.09 284.29 284.37 '__~ ~~ SE 284.49 '284.69 F_~.~ 60 KK DOWNSTREAM ,~~ ~ b1 BA .0251 ~ _. 62 PB 11 --, 63 PC 0 .001:8 .0035' .0053 .0071 .0090 .0108 .0122 .0145 .0164 64 PC .0184 .0203 0223 .4243 .0264 .0284 .0305 .03:26 .0347 0369 ~ --~ 65 PC .0392 .0414 .0437 . Q460 ....04$3 0507 .0531 .0555 .0607 0660 66 PC .4632 .0659 :0685 .0712 .0714 :4716. .0719 .0775 ,0831 .0887 ~~ ~T' 67 PC .0919 .0952 .0984 .1019 .1054 .1089 .1127 .115 ,1203. .1245 ' ~: 68 PC ,1286 .1328 .:1374 .1.421 ' .1467 .1520 .1572 .1625 .1686 , 1747 ~ h 69 PC .1808 .1886 .1964 .2042 ' .2145 2248.: , 2351 . ..2512 .2672 .2833 ~ ~~ 70 PC , 4099 .5366 .6632 . b872 ; .7111 7351 .7575 .7600 , 7724 .:7812 ~ ~, ~ 71 PC .7901 .7989 8058 .8.128 ~ .8197 8258 .8319 ~ .8380 ~~.8433~ .8485 `~_~ 72 PC .8538 .8538 .x$584 . $630 .8676 8718 .8759 .8801 ~~ ~ .8839 .8$76 73 PC .8914 ~ ~ .8949 8984 .9019 .9051 .9083 .9115 - .9145 ~ , 9176 ~ , 9206 ~ ~ ~ j 74 ~ PC .9234 .9263 .9291 .931$ .9.344 9371 .9396 .9421 .9446 .9470 ~~ 75 PC .9495 .9519 .'9542 .9565 .9588 .9610: .9b31 .9653 .9674 .9696 76 PC .9717 ` .9737 .9757 .977 .9797 .9816 .9836 .9$54 .9873. .9892 77 PC .9910 .9929 .9947 .9965 .: ....998.2 1 r ~ i 7$ LS 0 85 0 ~~, , 79 UD .020 -- ~~ ' ~ 80 KK DOWNSTREAM gl HC 2 $2 ZZ ~ ~_~ ~ ~__ M ,~ ~; ;; ._, - - ~, ,, ,~, ,- ~_,~ ;, ~~~ ~ , ~_^~ r t .. ',~ ', ;~ , ROUTE OF LAST AFFECTED POINT, PROPOSED CONDITIONS 140 YEAR STORM , ,; 3 IO OUTPUT CONTROL ~ARIABLE5 ~-~ IPRNT 3 PRINT CONTROL _ TPLOT 0 PLOT CONTROL ~_a . QSCAL 0. HYDROGRAPH PLOT SCALE } IT HYDROGRAFH TIME DATA ~._.~ NMIN ` 10 MINUTES IN COMPUTATION INTERVAL IDATE SNOV'91 STARTING DATE ,_ ITINE 1000 STARTING TIME, _ ~ N 146 .NUMBER OF `HYDROGRAPH ORDINATES Q ~~~ NDDATE bNOV91 ENDING DATE NDTII~ 1410 ENDING TIME i ', ICENT 19 :CENTURY DARK ~___ CONFUTATION INTERVAL .17 HOURS ~.__, ~~ :TOTAL TINE BASE 24.1 HOURS ~._ ENGLISH UNITS ', .., DRAINAGE AREA SQUARE MIUES `PRECIPITATION DEPTH :INCHES '~~ LENGTH, ELEVATION FEET FLOW - CUBIC FEET.: PER SECOND ~ _ ~ ~ STORAGE.:VOLUME ACRE-FEET ~? SURFACE AREA ACRES: ~ ~ TEMPERATURE DEGREES FAHRENHEIT . ~ t.~~_ ~ ~ r , -- ~ 5 KK ~ LAKE2 ~ ,~ ~ ~ ..,, - i ~ 4 IN TIME DATA FOR INPUT TIME SERIES JXMIN 10 TIME INTERVAL IN MINUTES. a a JXDATE 5NOV91 :STARTING DATE ' ~ i ~ -~ J~TII~E 1000 STARTING TIME _ ~ SUBBASIN RUNOFF DATA _ ~ ~~{ i b BA SUBBASIN C~fARACTERISTICS - TAREA , 04 SUBBASIN AREA ~ ~~ _ ~ ~ ~ _ 'PRECIPITATION DATA ` ~ a ' j 7 PB `STORM 11.00 BASIN TOTAL PRECIPITATION , , , ~_ _ ' 8 PI INCREMENTAL PRECIPITATION PATTERN , 00 ,00 -00 .00 -00 ,40 .00 .00 ,00 .00 ~ , ~' 00 .00 -00 .00 .00 .00 .UO ,QO .00 .00 ~ ~' ,00 .00 .00 -00 -00 .00 -OO 01 -01 --O0 00 .00 .fl0 -00 U0 .04 .01 .01 01 .00 ,__ _, 00 - 00 .00 .00 .00 .00 .40 , 00 00 .00 ~ 00 ,00 -00 .00 .01 .01 .01 .01 .01 .01 a -~ ~~ ~ .01 .01 -01 .Ol -01 .Ol ,02 .02 .02 -13 r--~ _~ j - ,13 .13 .02 .02 .0~ .02 .00 O1 .01 .01 ~ I J .Ol .01 .01 .Ol .01 _ .O1 .01 - 01 .Ol .01 , 00 .00 .00 .00 .00 .00 .00 .00 .00 00 ~-~ .00 .00 .00. .00 .OQ .00 .00 .00 00 .00 ,00 .00 .00 .00 .00 .00 00 .00 - ,00 .00 ~_ .~ ,00 .00 .00 .00 .00 .00 00 .00 .00 .00 .00 .00 .00 ,00 .40 .00 .OO 00 00 .00 ~~ ~~ ~ .00 .00 .00 .00 .04 ~ Z3 LS SCS LO5S RATE r--j 5TRTL "3~ INITIAL ABSTRA~'ION CRUNBR 85.00 CURVE NUMBER RTI~P .00 PERCENT I~IPER~IOUS `AREA 24 UD -SCS DIIdENSIONL~SS UNITGRAPH '~--~~ TLAG 56 LAG { ~, ~; ,- ~, ~ ~~~ ~~ ~ _ ' f~ ~~ _ UNIT HYDROGRAPH 'i ~ -~ 1~ FNI}-OF-PEROD ORDINATES i 5. 17. 30. 33. 29. 21. 13 8. ~. 4. ~~ `- 2, 2. 1. 1. 0. 0. 0, 0 0. ~I - ~~ ~~~ ~~~ ~~~ ~~~ ~~~ ti HYDROGRAPH A ATION E2 T ST LAK a i ,; .~ ' `TOTAL RAINFALL = 11.00 TOTAL LOSS = 3.84, TOTAL EXCESS = 9.16 ~ ;~ PEAK FLAW TINE N~,xII~M AVERAGE FLOW ~ ~ CFS } ~ HR } 6-gR 24-HR 72-HR 24.17-HR ~. 132, 12,33 (CFS} 34, 11. 11, 11. '' ~ INCHES } 7 018 9.074 9.076 9.076 f ~~ ~ AC-FT) 17. 22. ` 22, 22. ~~_:~ f CUMfILATIVE AREA = 04 SQ l~I ~-~ ~~ ,; ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~r ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~ ~ ~__' 25 KK ~ DAIS ~ ~~ jl ~ ~ I I ~~~C~~~~iEik~C~~~~C HYDR~RAPH ROUTING DATA r----~ . ~ ~ ~ _ 26 RS STORAGE ROUTING .. NSTPS 1 NUMBER OF SUBRRACgES ITYP FLOW TYPE OF INITIAL CONDITION _ _ RSVRIC 1.00 INITIAL CONDITION " ~ X `,00 4~RKING R AND D COEFFICIENT H t n 27 5V STORAGE 3.4 4~0 4,7 5.5 6-4 7.3 8.7 9.5 10.1 r~ 1 ~._. 15.0 r. ~~ ,, ,, ~, I ,~ _ I~ '' ~---~ ~~_ _i ~28 SQ DISCHARGE ~ 0. 12, 18. 22, 25. 28. 31, 33, 34, ' 37. i ~ ~ ~ ~ ~ , 2~ SE ELEVATION 287,50 288.00 8 2 8.50 289..00 :289..50.. ..290,40 290.50: .291, 00 291.30 ,~ 292, 00 .. ~~ ~----, , ,, ~_~ t ~, HYI R~RAPH AT STATTON, DAN2 _ ~-~ PEAK FLOW (TINE NAXINUI4 AVERAGE FIAW E ~ ~- ~ CF5) (~ HR) _ 6•HR 24-HR 72•HR 24.17-HR ~ ~ 35. 13,50 ~CFS) 30, 11. 11.: 11. INCgES) ~-. 257 9.005 9.005 9..005 ~.~ (AC FT) 15. 21. 21. 21. ~~ PEAK `STORAGE TIME NAXINUN AVERAGE STORAGE SAC FT), ~HR}: d HR 24 gR 72 HR 24,1?-HR ~;; 12. 13.50 9. : 5, 5. 5, PEAK STAGE J'a` TIME -. NAXINUN AVERAGE STAGE , ~~ (FEET ). ~ HR) 6-HR 24•HR 72-HR 24.17-HR : 291.54 13.50 290.47 288.39 288.3$ 288, 38 , ~ ~ f CUNULATTVE AREA = .04 5Q NI ; ~ ~ j ~~~ ~~~ ~~~ ~~~r ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~c~ ~~~ ~~~ ~~~r ~~~ ~~~ ~~c~ ~~~ ~~~ ~~~ ~c~c~ ~~c~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~#~ ~~~ ~~~ f . ~~7~~~~7i~~~~~~~ I j { ~ l 30 KK ~ LAKE3 ~ ~~.~ '~` ~ ! ~ ~ _ 4 TN TIME DATA FOR INPUT .TIME SERIES JXNI~i ` 10 TINE INTERVAL I~t NINIJTES JXDATE SNOV~1 STARTING DATE ~ JXTINE 1000 STARTING TINE ~_ .~~ SUBBASIN` RUNOFF DATA ~ 31 BA _ SUBBASIN ~CTERISTICS . ~ ~- ~ ~ TAREA .04 - SUBBASIN AREA - f I ~~ PRECIPITATION :DATA { 32 PB ; STORK 11,00 BASIN TOTAL, PRECIPTTATION ', _~ ; 33 PT INCREMENTAL, PRECIPITATION PATTERN r a0 , oo oo , a4 , 00 , oa . oo . oo , oO , o0 ~ I ~ { i .00 .00 .00 .00 .04 .00 .00 ,00 .00 .00 I f~4 , ao .44 . oo .44 . oo . oo . 01 .01 -. o0 ~ ~ , ~~ --, .00 00 `,00 .40 ,00 .40 .41 .41 ,01 ,00 I ~ J ~~ _. '~ L_~ ~~ - ~ ~~ , oo : , oo . 00 .00 .OO , oo . oo 00 .00 . o0 00 .00 .00 , 00 .01 .01 .01 01 .01 , 01 . 01 .01 .01 , 01 .01 .Ol 02 .02 02 ,13 .13 .13 .02 .02 , 02 .02 .00 01 .01 .01 ~~ .01 ; ,01 _ .01 .Ol ,Ol ,d1 .Ol ,01 .01 .01 _ _ , 00 .00 0 o ,oo .00 ,00 .00 .oo .00 .oo 00 . ao .OO , ao . oo . oo . oo . oo : Oo . oa '-~ ~~ .00 .00 .00 .00 .00 .00 00 .00 ,00 .00 ~_~ .00 .00 .00 ,00 ,00 .40 .00 ,00 .00 ,00 .00 .00 .00 .00 .00 .OO .00 .00' .00 .00 ,00 .00 .00 .00 .00 48 LS SCS .LOSS RATE STRTL 35 INITIAL ABSTRACTION - CRVNBR 85.00 -CURVE NUMBER 'i RTIMP 00 PERCENT IMPERVIOUS. AREA ~~ ~~ 49 UD SCS DIMENSIONLESS UNITGRAPH TLAG , 23 LAG f~ ~~~ UNIT HYDROGRAPH 9 END-OF•PERIOD ORDLNATES ~~ r ~ 29 55, 32. 13, 6. 2. 1 - 0 0. ~ ~_ j ~ ~ ~~ ~ - HYDROGRAPH AT STA TION: LAKE3 ... ---- TOTAii RAINFALL = 11, 04 TOTALLOSS = 1184, TOTAI EXCESS = :9,16 ~I ~._.~ PEAK FLOW TIDE MAXII~U~I AVERAGE FLOW ~ CFS) ~ HR } I 6-HR 24-HR 12•HR 24.17-HR 15Z, 12,00 ~CFS) 27, 9. 9. 9. ,i ~-~ (INCHES) 7, 025 9.126 91126 9.126 SAC-FT) 13. 17, 17. 17 i r...-_r CUNIILATIVE AREA = , 04 S NI ~ 1 ~, I i, ~ _ .. ~, I ~ ~ _ .... 50 KK ~ :INFLOW TO LAKE 3 ~ E -, ~ ~ i ! r-_ ~ 51 HC HYDROGRAPH COMBINATION - f 4 f ~ . ICOMP 2 H(1NBER OF HYDR(~HS TO COMMINE _ -.:.: , I f, III . ' __~ i I - .~ ~~~ t I ~ _~ - ~~ ~~ ~~ ~. '~. 1 ~ I ~ ~ ~. y _;, I ~ ~ ~ l - ~-~,-~ - i_ --1 HYDROGRAPH AT STATION INFI~W ~. ; PEAK FI~W _ TIDE XAXIN(I~I AVERAGE FLOW ~ CF5 y ~ HR ~ b-HR 24-HR 72-HR 24.17-HR ~_ , 171. 12,00 ~CFS~ 55. 20, 19. 19. ~ ~ INCHES ~ G 393 9.059 9, 059 9.059 __, ~ AC-FT) 27. 39. 39 ~ 39. ~, CU~I~ATIVE AREA = 08 SQ 1~I ~..~ _ ~--- ~ ~ ~~' S2 KK ~ DAI~3 ~ ,. ,~ ~-~ i HYDROGRAPH ROUTING DATA u 53 RS STORAGE ROUTING ~ ~ NSTPS 1 NUMBER OF 5UBREACHES ~ ~...-~ ITYP 'STOR TYPE -4F INITIAL CONDITION - RSVRIC -1, 00 INITIAL CONDITION ,. X 00 WORKING R AND. D `COEFFICIENT --- 54 SV STORAGE 1.5 2.2 3.2 3.8 4, 4 5.:4 5, 7 b,1 6.4 ~_~ 6.6 ~ i ' ~ , ~ 6.8 7.1 j ~ ~ ~ ~ _ ... . - 56 SQ DISCHARGE 0 71, _ 100. 112, 122, 136. 135, 143, 146. ` ~ ~~ 148. _ , ' ~.~ :150, _ 153. ~ ~ ~ ~ ~ 58 SE ELEVATION 280, 00 281.00 282.00 282.50 ` 283, 00 :283.69 2$3, 89 284, 09`... 284, 29 I 284, 3:7 284.49 284.b9 c ~ ,~ ~ ~ ~! ~ ~_J ~ 7~ 7S 7f ~ 7f 7C 7G ~ ~ 7G 7~ `~~~ ,, _ HYDROGRAPH AT STATION DAM3 . PEAK FLOW TIME. MAXII~t11~ AVERAGE FLOW ~~~ ~ CF5 ~ ~ HR ~ b-HR 24-HR 72-HR 24.17-HR ~' 'j L ~ 122. ~ 12.33 ~CFS) X55, 20. 19. 19. ~ i ~ ~INCHES~ 6389 9.044 ~ 9044 ~ 9044 SAC-FTC ~:Z7. 39. 39. 39, ~.-~ PEAK STORAGE TIME MAXIMUM .AVERAGE STORAGE (AC-FT ~ ~ HR } G•HR 248R 72-HR 24,17-HR _~ 4, 12.33 2, 2. 2, 2. ,_~ PEAK STAGE TIME MAXIMUK AVERAGE. STAGE - ~-~ ~ FRET } ~ HR y 6-HR 24-HR 72-HR 24 ,17•HR I ~ i 282.96 12.33 280:.95 280.32 280, 32 280.32 ~ i r ,a ~ _ _ ~°`~ ~.w.ll f , CUMfILATIVE AREA = ,OS S~ MI _; - '~ 60 KK ~ DO~NSTREAI~ ~ r._~` ~ ~ ~~~~ - - 4 IN TIME DATA FOR INPUT .TINE SERIES - ~ JXMIN 10 TIME INTERVAL iN MINUTES ~ ~XDATE ~NOVgI STARTING DATE JXTII~E 1000 STARTING TIME ,I SUBBASIN RUNOFF -DATA Gl BA SUBBASIN C~fARACTERISTICS ~, ! TAREA 03 SUBBASIN AREA f~ PRECIPITATION DATA ~. ,+ d2 PB . STORM 11: 00 BASIN TOTAL, PRECIPITATION ~ 63 PI INCREMENTAL PRECIPITATION PATTERN ~~ ~ .00 ,00 ,00 ,00 .oQ .00 .00 ,00 ,00 ,00 __ 00 ~ .00 ,00 .00 .00 ,00 00 .00 .00 .00 C~ 00 .00 .00 ,00 .00 .00 .00 ,01 .01 -.00 I , 00 .00 .00 .00 . QO .00 .Ol -, 01 .01 _ .00 ~ ~ .00 , 00 .00 .00 .00 .00 . DO _ ~ 00 .04 .00 X00 .00 .00 .00 .01 .41 41 .Ol .01 .01 ~~ ~_., 01 , 01 .01 .01 .01 .41 .02 , O2 .02 .13 ~~_~ .13 .13 , 02 , 02 .02 .02 .00 , 41 .01 , 01 .Ol ~01 .01 .01 ,Ol ,01 .01 ,01 .01 .01 f . ` .00 ,00 .00 .00 .00 .00 .00 00 .00 .40 ~ .00 ,00 ,00 ,00: .00 .00 .00 .00 ,00 .00 ,00 .00 : .40 .00 .00 .00 00 _ _.00 ,00 X00 _ oo . oa , oa . oo . oo . 00 . oo . oo . oo . o0 .00 .00 .00 .04 .00 .00 .00 , 00 00 .00 ~, ', , 78 LS .SCS LOS5 RATE STRTI .35 INITIAL ABSTRACTION ,~ - CRUNBR 85 00 C'URRVE NUMBER { RTIMP `00 PERCENT IMPERVIOUS AREA ~_.~ 7~ UD SCS DIMENSIONLESS UNITGRAPg r- TLA~ .02 LAG ', ; ,_--~ ~~~ UNIT MYDROGRAPH 5END-OF-PERIOD :ORDINATES ..~ 72 20, 4. 1, ' 0. ~' '~` r, ~ _ ~...,~ ~,v.1 HYDR~RAPH AT STATION DOWNSTR ~~ ~ ~ ' TOTAL RAINFALL, = 11.00, TOTAL, LOSS = 1, 84, TOTAL EXCESS = 9.16 ~"' ' PEAK FLOW TIME. MAXIMUM AVERAGE FLOW ~ ',~ i { CFS } { HR) d-HR 24-HR 72•HR 24.17-HR ~_,._ 127, 12,00 {CFS} 19. ~, 6. 6. ,~... M1 {INCHES } 7.028 9.148 9.148 9.148 ~~~ ~-r-. CUMULATIVE AREA - , 03 SQ MI ~~ ~~ '; I ~ ~ ~.. ~ $0 KK ~ LX~WNSTREAM ~ r~-~ L-~ ~~~~~~~~~~~~~~ 1 81 HC HYDROGRAFH COMBINATION ~~' ICOMP 2 NURSER OF HYI~R~RAPMS TO COMBINE ~; ~~~ ~^~~ ~ ~_~ ~~, HYDROGRAPH AT STATION DOWNSTREAM ~~i PEAK FLOW TIME MAXIMUM AVERAGE FLOW { CFS) - (HR) 6-HR 24-HR 72-HR 24.17•HR ~.; 228,' 12,00 (CFS} 73, 26, 26, . 26. (:INCHES } 6, 462 _ 9.09 q.069 9.069 ~_~ (AC-FT) 36, 51, 51 51, ~.. CUMULATIVE AREA = .11 SQ MI r -! I~ L...,.J ~_.,~ '~ ',j ~T ~, I ~,,~ 1 _ -~ , !~ ~ 1 I r~ ~.~..~ f---~~ i I I~, I ~! ~.~., I, j t,..~ '~ ~ RUNOFF SU~Q~ARY ~___ ~ FLOW IH CUBIC FEET PER SECOND TINE 'IN HOURS, AREA IN SQUARE ~III,ES ~_ ~ I~ PEAK TIDE OF AVERAGE :FLOW FOR NAXII~U~I FERIOD BASIN XAXII~U~i TIDE OF OPERATION STATION FLOW PEAK 6-HOUR 24-HOUR: 72•HOUR AREA STAGE NAX STAGE ~~.,~ ' ~ ~.~~ HYDROGRAPH AT LAKE2 132. 12, 33 34. 11, 3.1. _ .04 r -~ ROUTED TO DAN2 35 13.50 0/ 11 11. .04 291.54 13,.50. gYDROGRAPg AT LAKE3 152. 12.00 27. 9 9. .04 ,~..»~ 2 C41~INED AT INFLO 17I 12.00.... 55, 24.` 19. .08 ~~ r~.-.. ROUTED T'O DAI~3 122, 12.33 55, 20 19. .08 282.96 12.3.3 , HYDROGRAPfl AT DOWNS 2 1 7 ~. 12.00 1~. U, .03 r.-~-., i 2 COMBINES AT DOWNS 228, 12.00 ?3. 26. Z6. ,11 '~ ~~ ~a ~; ~`-, ~; ~y ~_., r,-- i _.~ i ~„~ ~~ ~' ~i i ~~ i _ ' r ,~ i ~`rt~ ~~~ ,~..~ ~ ~ E~_J