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999700029 Drainage Report
ARNSBERRY Inc MACLE , Civil Engineers Land Surveyors '~ Planners Geologists c, Environmental Scientists S'I'ORM DRAINAGE REPORT ~,AKE VtI.LAGE DIVISI(>N I! (PHASE 1' ~ ~." ,...~o . ""' I ...... ~.latl~v. (' x[m.~.earusbt'rry. I'E. DE~. A~. B::~nhr~d~c I,j,~,';l '~V.,~. 9y:i;' Port 't~(,~ q~f) .~. ;(Ii". {}:'.~ -ilil;~ '* i~f'.,, d;,i l,,(q} ( ~{'~{)l.I ~ --~ ~, MACLEARNSBERRY. INC · . T~T_Q_R.~I DRAYAGE REPORT ~.?:.~.~:,.~, ?... FOR . ',~..~.~/r- ... ~:<*~-~;"'- TEAI, LAKE VILLAGE DIVISION II fPH¢~ . :;~ 'j '~.~:':: qj::~. :.; I. Introduction: · :,~:-~Z:%,.~:~'~:,;: '; Pope Resourc=s is proposin~ to develop thc sin~le-l~milv ~bdivision ".'.'::)~:C~,;-.; ::: Division ii. on the south side of Po~ Ludlow' Bay. A Prelimi~W Pla~ has ~en approvcd by Jefferson County and i~ is the in[em of the Developer ~o conduc~ fi~! p!atti~ aM ske · :,7~'?A~:¢¢;h..~ improvcmcms in ~hc Sprin~ of 1996 in order [o haw lots available [o ~hc public -,.', :~Y~;-¢.':~" 4 ~ :..~,:i~:.;.<~:::.':~ Thc proposed plat of Teal Lake. V;llaee Diviswn [1 tie~. predomi~tciy. ,%?,:'2.?,-;, .... ! on the north by th~ olats of Teal Lake %'illa~e Divisum I and Fa~n.~',~M X'iila~c. ,0n b3 , ..~,;=i.~:"?,;,;r;' '.'~ ~he prelimin2~' pla~ of Springwocd. and on ~e south and ea.;t bv unptattcd Pc~ Re,curets .~,.,qz~,~,~&..,:, -. lands. 0.27 acres of Land ~ acr~ . ~,,~..,**,, .- . The site s~raddles the Teal Lake Road and contains a total of i l . """'~ ....... in Phase ~ with the remainine 38.38 acres in Phase )I. ~'e~: e: ....... ~: ........ second ero~vth, mixed con:t~rcus and ,,~'_~;.~...~ ~ of which lies east of the mad · - .:?;::~?'-'.~:7", the Teal Lake Read. Ground cover consists of qna!l ':t<;,~:.~X~-?- ': dec idu~us cove r, Phase ~ li~s. predomina[dY ~lon~ a nonh-somh mnnin~ rid~. The land f=l~s ~w=v ~e ~ · ,.:-,¢V,:¢~... :r ..~ toward the Teal ~ke R,~ad at slooes of eieht to ten percent. ~e more iwegular retain to ~hc .... -,.., ..... ,:,..,., - ravin~ a~ slopes upwards of ¢i~ht [o ;wenty ~rcent. %ac -:~ :.;,~'-;:~:':':;.~ ::-I cast falls toward a entrance on ~he Teal Lake Road. to aS0'. '~¥~;'; ;~-':'~' '[ at thc qat rid~etop.s, omc 26~ feet to the southeast :?:i~.:~.;:;?..~..; ridgeline rises from an elevation of 310' at the project .'*:,~::~:¢-,.,~:',,: c- According to :ho SCS Soil Survey of Jcffcrson County thc .soil t~'pc covcrin~ thc si;c :> '.&-'~.~:~'¢ --' CassolaW. which Falls in Hvdrolo~i~ Group C. . %~.;?,~..&':c~...,' ~ ' ,~: .L~'.' .~'- . < :':r~.- . , .,..... ~, · ,'.,,,:::,,-:.' . 3t; il :,,,-,::%j?/:' :, . . .......... · ~ ,':::~' . . ! ..7' ' · "':' The proposal consists of a 36 lot subdivision with the main access off the Teat Lake R~3a:l and ~ ,:.'.._ running along the center of the ridge and culminating in a mm' around at the tog of uhe ridge. ',viii ccm"~t to ..), ,., : · . · ..,:..:,.:....,5. some 2750 feet to the southeast. The southerly extension of Crestview Drive .'..... ~ Teal Lake Village Div. I approximately 300 feet in from the entrance and a 450 foot ion~ cul- .: -: ~ de-sac extends from the main road at approximately station 10*cd). ..; ~'~ ~ -,~'..:.I When completed, the 36 lots will cover appro×:matelv 57% of the site and range :n size from · ..... .' ~. ' 0.8 acre to 1,6 acres, .. '.";,' :.~ ,.. · "1-7~;:.:,:::~ ' !V Exi~,'t;-ne Dra~°ns: .7.::~?' 5~ .~'::!;;:;,~::," ' ~.. The Draina~: ,~-. :~.~:~.. .-! ........ · ..,~ . Th~ aforementioned ridge divid,'s storm water ranoft' from Phase I. Sto.,zn water mr, or.'. '~" '-.. the east side of the ridge drains to the aorth-flowing ra,,'in~, v.'h:ch mr, s aton2 ti-.-'. ,'.:::.x. boundary of the plat. Runoff from the west side of the ridee is further divi, ied. Thc Teal Lake Road ant . ,.! . portion ~f the runoff from the ,.,,'est side of the ridee flows to the · ti",e m-rt i,:ad!ow Goi: ~., :: /..: northwesterly tn the roadside ditch to the creek v,.hich vans north, t.'.,rou,ah - - Course. The. northerly pcmon of the sub-basin flows, naturatly, into :he ra,.'inx. '.,&ich m.,-..s. · , , northerly, along the east side of Teal Lake Village Di,,'ision I. . ' '5'.i-':~::! g. Site Draina_gg:_' · '.·-,~ ~:::.:-.". ~ Due to the lay of the land. the large amount of natural ouen space, the fact the ~har mc, st ef 2.':= proposed lots lie along the rid~etop, and cize of the lots. most of which ,.,.'itt remain ia ,:!~.., ., ::::: natural state, the predominanc: of 'd~e project site wil~ not be affected by land ,~-'"'~"° ac::,.'itles. ,. ',, . · .' '-. Most of the site will continue to drain as in its undeveloped condition· ~qerefore, cnlv ' ,~r',inao" ,", ~:;.!::¢'.: ' i~ :~.?,?,' :i ,- potion of ~he site. whkh will acru~tly be dismr*d, will ~ addressed in ~he ,, - :~ ~ .-- :::::::::::::::::::::::: V Downf!renm Drai~ditior~s: · ,, ,~..· - ...... ~ - The primap/stream flo;vin~ into the Ludlov,' Ba.v drainage basin is Ludlow Creek. which ":i' ': the bulk of thc Chimicum Valle.',' and culminates at the-head of Por~ Ludlow Bay. ~'~¢ ..... flowing s~ream in the valle.',' in which the Port Ladlov.' Golf Course lies. and a sones o~ ravines, drain into the south side of Port Ludlow Bay. east of t,udtow Creek. Ali et drainage sub-basins flow through large culvea'~, under thc Port I_udlow - Paradise Ba.', Read nmi .. · . on into the bay through wcll defined channcl~. ·.. . Z "~ ' _Jr._ _x__ _ _. A. OFF-SITE. UPS'FREAM Off-site, upstream, draimge all flows in from south along the aforementioned eastern ~vi~ a~ ~?";~:e:3,3/':; . the Teal ~ke Road ditches and bypasses the project site Accordinalv ~is runoff d~s no~ affect the project and will nol ~ addressed ~.hcr. B. ON-SITE D~&INAGE Jefferson County (by v~nue of it's reference to the DOE Manual). requires detention of u~ ~- year. IO-vear an~ l~.vear. 2a-hour sto~ events, with a release rate equal ~o o~-half of u~e " 2-year sto~ discharge quantitT, under undeveloped conditiovz. In ~ddkion. the DOE Manual " requires store water quality control in the fora biofi!tration, or s~orage capacity for ,he 6-mos, . ~-: :;~.:~ 2a2hour store event (0.~ of the 2-year storm event>, . .. . ~.': .. It is anticipated that the 36. approximately one-acre. Io~ in the project will be improved to ovAy a distance of a~ut l~-feet back from th~ street. For pu~o~s of this re~a it will be assumed ~ac the entire width of each lot will ~ cleared (actually clearin~ will probabh' not ~ th:s -. extensive). This being the case. ~otal lot clearing will amoun~ to !5.69 acres, or 0.a36 acrz get ..~:.~ ,~.; loL Fuahe~ore. ~ 72 acres or' road rizht-ot'-way will be cleared, t~r a total of 20.21 acres :o % .~:~ ~e cleared out of the total 7!.89 acres in Phase I. ,: ~: ..:.~ Of the 0.4a acre of cleared -r~a per lot. ~t is anticipated that there will ~e 46~ s~uare feet. or ~-> .5-:'. ~',~ 0.~ acre of impervious area in the fo~ of buildings, driveways, patios and side walks, th~s . ~- ~.~ leaves 0.36 acre per lot for lawn and landscapin=. 'Eqe deveDped 5i[e wilt divide into two sub-basins, each one draining to a separate de:cation facility. For pu~oses of this repor[ these sub-basins will ~e descried as Sub-basin a and Sub- ~::~:' 7~: "?~ bv~in B. ~etr characteristics are described as follows: De~ription: 31 lots consistin;-~-~gg~thr°u~h 9 and Lots l~~~ ' "~ ~ ' -:~": 5~' 571 ~ ~e frq.m the buildinz siaL°ts 6. S and 9.~. t~ou? 3a cannot ~ viii h~'e t~haveOf these lots, -terce-ted -ither directly 0r indirectly by the roadside ditch svste~ and ~ ,,, v · - ' - '' " . - - ~ time o/'"indiv;du'fl house ' 'v' ual infiltration system~ destgned and co2~cted ?t th . . , ..... ~;~_ ~ q lot x 16 l::,ts = 6.06 acr:s (lraininc to detention facil~tics. 0.-3v acres/ - ;.,-~ 3 1'i3 0.09 acre/lot x 16 lots -- 1.44 acres combined lot impervious 6 96 acres- 1.44 acres 5.52 acres combined let pervious area {De..,o,;¢d ~ Road System' There are 4.34 acres of road nohr-of-wav in Sub-basin A ,)f ',which 1.92 .~. { acres will be paved. . ! -' ' R.i~ht-of-way area in pervious area = 4.54 - !.92 : 2.42 acres. Total impervious area = I.'--~ acres ~lots) "' i o', acres (roads;, = 3.36 acres '" i~""-5 q <,2 * 42 acres = '7 94 acres Total pervious area in lawns landscaping = - acres - -. - : .: . ...... Tom! natural pervious area {,.roods} = 4.3I acres. . ".. - Total existing perviou~ area within this aml,,'sis = 6.96 acres 4 34 acres 2i -,,-,e¢= · 15.6t acres. ~. , (i) Time of Concentration Worksheets were prepared t'er both existing and dcv¢le..ryed : conditions ~see Appendix A-I and A-2). "; thc ~ C'.,O-', car. ~ t2~ Four hvdro,araphs ;,,.ere created !'or: the" '"'"" 2.;-hour stom'~ event .,nd . . -. : *4-hour storm event, under existin~ conditions, and the 2-year. "' '- ,- -. ,,-.--- even: ""'"' · _.,-hour storm event, under d,:vetoped conditions ~.:ee Aa~endix A-3 ~. ~, th~ 100-year. "' " ~"': ~ {3'} The hvdrographs for the 2-year. 24-hour storm event and me 100-year. 2a-hour -: " event, under developed conditions, using one-half the release rate under -.- conditions ~O.16 cf~1 for the 2-year event and the full release rate under existm'-.' . conditions for the lO0-year event isee Appendix A-5 and A-6i were used to size a detention aop. d for the sub-basin. The resultant pond ,.,,'as determined to ~e 31 378 cub:c . '.:.-':;.-.: feet in volume. The top area of the resultant pond is 13.886.9 square fo." resulttn~ was filed t'er · . ~ , a re:tangular pond 84 feet wide b':' 167 feet lono~. T!:e routing data .... reference (A 1O0. Dot). ~ ' 14) Finally. the above mentioned hydrographs for the _-.,.'ear and lt~-,.'ear. "..t hour sro .rm., i events (for developed conditionsl were routed through the design [:end using the , Reservoir Routing Inflow/Outflow Routine to veriN the a(tequacv of t~'e pond volume. ' The pea}: storage calculated out at 31.370 cubic feet. - .... ' ,Q.,* 'i ,'~.'.':? '~ :v'..-.; · ' ' . '..,;,"T/,."~ ?', '- .:' '. . _ , '4'~'~"):~',f''' '~ nf these lots draina~ze from the building sites o~0 through 13~annot be intercepted, eit~,,er ' '7-'~,-",':"" .. ....... :_.4; ....'v bv the ro',dside ditch svs~t° i'm . individual infiltra[;on · -d and con.strutted at the time of. mdw~duaI house con.tru,.,m .... .:..': :.... systems des,grit ....... _ ...... , ,._ .,: ..... ,~ ,,, :~,,. ~.h. asin A detention fac:l~D'- '"~: ' "- Therefore, drainage [rom one UUIIGIn~ site v, tit ~ uu~.~.~,. ........... b - · ~3C.,l['.-$. ..:~., . , 0.436 acres/lot x I lots = 0.436 acres draininiz to detention" "' '-~:'Tj'-~'i'..i ."- 0.09 acre/lot ': I lots 0,09 acres combined lot imper'::,.~us area. . --., "'." 0..I.36 acres - 0.09 acres.= 0.346 acres combined lot ~,.--vious are". ~De';. ~ ~. '.;., -) · .. ' Road" ' There is 0.38 acre of road ri,,ht.of-wav in Sub-basin A cf ,,vhic.', · '" ~ as'stem. ~' ' acre ',,,'ill be paved .... ,. .:~. -] · ,r',* · .:,.~:.. Rigimof-way area in lawn = 0.38 - 0.2.~ = O. i~ .c..s. : ..... . .;~.,:,,...,, - . '" ,-,, To~ai imFervtous area = 0,09 acres (~o',s) ? 0.24 acws ,,roads' = 0 33 ac,-es .., .... ?,::: : - 0·t-;acres = 9 ,_o '-':-- . ',-i Total pervious area m lawns landscaping = 0..346 acres · .,,.. · . ,_ . . ~ . · - . ..-...: ~ 'Fetal un;.mproved area drainin,z' to detention = 0 .,t9 acres - · :' ::.:7';" Total existing pervious area ,,viJhin this analysis = 0.38 acres ~ 0..:9 :,.ores -- , - '73;., ' ! . ,. . ::-;. J l) l'imc or' Concentration ',,Vorksl'teets were prepared for b,:th cx!.',:in'z' and ,.:c~e:cr'cu :'-.' conditions ('see Appendix B-I and .... . "':'" ~2) Four hvdroeraphs '.,,'ere created ,"or: the 2-vear. 2,t-hour storm c','cn~ and :he '~4-hou~' sK,~,"rn event, under existimz conditions, and the 2-year. 2a-hour -",'-" ::%'eat and _,-,-nou, storm event, under de','eloFed conditions ~se-'- ..\~n,.,~x the 16,'O-vear ") ' ' ' ' ' · ' -~ -' ~. ~3) 2he hydrographs for dm '.?.-.,,'ear. 2J.-heur storm event and the lC,'O-.vear. 2..t-hour ,:term .- event, tinder de,.'~!oped conditions, usin~ one-half ~he retease rate under ..~ conditions (.0.015 cfs) for the 2-year event and d~e Alll release rate under ,. : condit;ons for the tOO-year event (see Appendix B-6 and B-D were used u.'. · -t : ~ detention pond for [he sub-basin for comparative i pu~oser,. The resultant pond ,,vas determined to be 2.~38 cubic feet in v,qume. The top ' =.08_ square feet. re,,ultin~ in a rectan'=-ular pm,,d :- i area of thc resultant popd is "' '~ · - · - ·" I ' , t , ....... ~ i .... ~-.-. _ ~-- - .... ~¢~-1----:----' -' ---Y----- ' -- -. ' ~'. '~ .:' ~:' . '~ '~i~"~.",~!~':.:.'"' '~. 6'~,~.: .'~ · ' "~ :' foot diameter dete~Uon pi~. The required piF~ length was described . _-~ . ,.~..: . -~, -.. feet, with a storage capacity of 2829 cubic fee~ {~e Ap~ndix B-8 arZ B-9). '.' ' :.'..:'.',e . ~..-:-:.::" OFF-D~NAGE DOWNSTREAM - - ~ . p -" '- Water from the detention ond will ali<barge into the roadside ditch o~ the Teal .., .... "'' ~e~ee down the Teal Lake road ditc~ to t~e Highland Drive in:ec<ctio~, w~ere .. westerly, alon~ the ditch adjacent to Hiehland Drive and i~:o the main no~h-r]o,,vmg '.' w~ich drains the Po~ Ludlow" Golf Course. . -. ,,__.~ VII. Conclusion . ' - . Rules i~ r~e current edition of the State Debarment oC Eco!og':"s Storm Water T~hnicM - 3laJlual (herei~fter called ~he Manual) require that. for a project of this magnitude, a Sto~ -, -:: Water Site Pfa~ ~ prepared and implemented. ~nis site plan will have two zizmc~s. ~n ~' . Erosion and Sedimen{ Control Plan l~r cemporao' control of ~llu:ion ~ea:ra~ed duria~ ' ,-' co,traction, and a Pe~anent Sto~ Water Quality Control Plan for control of ~liu~ien from "':: sto~ water after co~tvzction is completed. ~e Manual lists eleven Best Mav~geme:~t .... ~-."~' ~ ...-: ' are li~ted in .Appendix C. ~ ' '-' - .~ '. , , , TABLE 3~3B SCS WESTERN WASHINGTON RUNOFF cURVE NUMBERS SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS (Put~'~d by SCS m Ruc~ff curve number.~ 104' se~eclod agnctjItural, sutx,,n3an and urn, an lax~d use for Type rainfall dtstrlb~on. 24-hO~ s~o~n duration. t CURVE NUMBERS BY i HYDROLOG;C SOIL GROUP LAND USE DESCRIPTION t , i Moun~r, open area~: tow grow~r~ bn.r~ a,'x:l gra~.~,and$ ~ 42 64 76 ~I Wood Of foresl land. unchs, ud3~l ; Wood Or Ioro~ Land- young second gro~,n c~' brust~ 55 72 8~ ~ ~ ~~: g~a~ c~ cn ~ m~e ~ the ar~ ~ ~3 ~ ~ fai~ c~: ~ra~ c~er on ~% ~2 ~ O~¢ r~s a~ ~3~ ~o(¢ 72 82 87 ~ I~~ 3udace~. ~veme~. rc~s. elc. ~ 1~ lC~ j O~ waI~ ~: lak~. we~a~s, po~s. e~c. S~e Fam~y Re~i (2) U~/Gr~ ~re % Im~r~ous (3) ~1~0 CU/~ 15 Serrate cu~e numar 1.5 DU/~ ~ s~l ~ ~[~ 2.0 DU/GA 25 lC ~mus a~ 2.5 DU/GA ~ ,m~mus ~n~on 3 0 CU/GA 34 ol me s~e or ~s:n 3.5 DU/GA 4.0 ~U/GA 42 4.5 DU/GA 5.0 DU/GA ~ 5.5 DU/GA , 60 OU/GA 52 6.5 DU/GA 7.0 OU/GA 56 ~nn~ Un~ d~dopments, - ~ co~ominiums, 3~men~s. must ~ comp~ c~rnerc~l business ard ir~us~l ar~3 s. t_ (1) For a more de~il~ deucr,pDon of agncuilural la~ use cu~e numbers refer to N,~t~ona! En.~ne~r,nc Ha~k, Soctlon 4. HydrCegy, C~p~er 9. Au0u2t 1972 (2) Ass,~mes r~ a~ dr~eway runoff is d~rect~ ,nto street/storm system f3) The rr,~ining ~iou2 areas (lawn) are consMer~ to ~ in qo~ condtt~on ~or ~hese cu~'e numbers .... i i q " ~ i i _ -' ~'. 124 23 122 " ,~,:"."[ ,.)',.('?-.,. ~ 'i ,_ FRIDAY H,~Ri]OR ~/~PORT ST4NLEY ) F'",..;L t~v'' "~ m_,.~o ~, t" ' ' / /-'re.j,:,, · " . ,? ' :,-~,-.. ~ -- ; -- ,, _,~. -.:-~." t "*" i, '"'.~."".':' ';: ', ' 4 .... '-: '"m, ", - · .,.._~ ,. -. ,.×,.~ .. , · "' ;'. ?':" ' "--"- J~--' \.~..., ,._///£:I £ ~ ... T;., ~ ~." '~----' .~,t Ni, . zr I~ .~¢,...- ... :~-~' ..... ' i'- ~' "'~',,.;,-~ !.,...- . -,· ~..~._s~,. ~:'-~- .-. 4 :.,0',, f., --. / ~ · . ..~..-~- ,.,~. ! %, ._,.-..-~' . ~. ,.-.-,~. _.. :.._---_-_-_-_.~--_._.... ff-- "'~.T.,.;~;:.... F,::-. .... '~ ' ,- ,:..t':Z-;- ... ", . ' i '"- "" ~"' ~- -:'"' I (;'{ ~,, ---, I , '.~-,.. ' ~:~ . -- .','~:'"ss zz:z; · ?6/"' i~-~--,.-''' :s ' ',-. l: '."' ' '~,k ("~'. I ',.~ t"-'~' ~ i '" ~5 ' ,' r ..,.{,~:'~'"/,,~ ..---=.,,.~ .--...-',. ' - . ' :aI- t._..--.,,~ .~.f 47! i ~. ........ '_ k ~/~,,. j .~-. Ir. ' ' L -.~. ['-" " .... L.'"~.'"'-'.; ,'. I / 4Y'"J " 3] ' ,, ,. . .-- _, . -- -.._.,, ., ..-.. --~. ;?t' ".-:',:':'-.,-P:,,:' . t '.I. 2 'g- ~' _L':~.F',"-~. - · ', 1! ~l r'-~ , !"<':-"- ' '~ ~,I,' ' ' '~ ~. j 1.1 ~.- ; t.'''"'-- '''---"~. ~u / , .', t ~ --'~3.,1' ',,. l', "-. ].J.', ,, '.",.,. ",.. ~,w.s' " ' · ';'i".' ::-, -'~" ' ;' '"' ": :':' ,. . ,i '-'. ~"."Q ""-_r;' '- ~: '.:.. · 'f.., p, : --'~." ' I .~I ~' ' 46 'x~ ~:..~...- -...::~ ',.i':.-,. . ........................... - t '~ ' {. . , ..~ ; '; ;;_',4r:~ ',' rit)L,,'~ ;" "~ '"ii':'t -~ fit),'! -.r..-' i..' :' ~ ' ,- ~" ~ ' ' ' \ ' ' ' : ,. _ I 124 123 122 121 'I' -- - -;', / ,-.. C: _25 ,.",.../ / ,... /--'". \"~, 'r, ' "'-'~:,. OLGA ~ ..j,.. ,",\,: ~ ."... HAP. BO.R.~, / -.'FORT STANLEY · ~, ",,..j~ / r,'J ' · .... . !8IL';'< "- "',. I ~. ¢ I~:. ~ , m,, , , ,., z-c~ ¢..,,,--::.7'i:..---~--z: ~ :', lc.. _,~._ ~ - ~., f . . .............. . .i.. . . ,.~ ' ' ' - ..... 'i77:... , , , ' ~ --":~ . 7,-..~-"'.':-~ -- '-'-z. o- .... ' "' 1' 48! " :~.,.br.-'FTL, :'f---,-. .,.,-,,- ,.---- ...... ;r't.., ',,~. I "',, ' ~'---- 7c..".:V'-'''-_ :-' --'Z ,, _'- , ~ ~: - :% ,~.- ~--' f,.:z:.~>~' <r. .'..,4 :~ -- : -"- .-:': ' ' .":.:V r'" ,, ..- . "'~ - .. -". '-,_ ..z' -,.--. 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' ~ .k-'~n .~ i :- ..... ..----7~L . t_ ~."~ .- .. ~ '-,."-': i i~t .... '.-: ..;, r'.-7, ' I :r,i 1' ,.!~ 2:_=-*__:L.- -- -- u ~'~ -~ --',, I ~ ...-"~._.,~--'~ -,~o ~._ ~u ~....-, i "-.'~: '..' ~- ' · ',~' ~ · ~ ,.". ' ~ ' "' 't ~:, ..,. -~ ' ' "~'"" ' 100-YEAR 24-HOIJR PRECIPITATION , . ....... JL. L I. --- ,.Ul__ _ i ~.~. l_...Z' __: - I ..-- ~i..,.:'L'-! MacLEAR2~SB~RP.Y, !NC. PROJE~: Teal L~ke ';t!iage ."J.: '~,':~ !5? Wya~ Way NE jOB NO : 750~4 . ., · . -. TiME CF CONCENTP~T!GN WORKSHEET ., ' ~.z~= LEi';GT~ SLOPE Woods 300 ,~.0567 ~.~ 'i - -~ n 12~ i ?;cods ~ ~ ..... ~ i ' - ~ - .; : 2:';TEPJ4 ~ : ~=" ........... : ~. ~4 4 -. , Road Citch '4~C 0.C76~ 2Z - ..'::-- -'x~. '- ' -." ~ Tea' Lak · '- , .... u'~=-uTM iNC P=~ -E'~T: . ,- .. -.,-- ---. 159 WTau~ Wa-/ NE jOB NO.: 95~34 '"~' ' Bainbridge island WA 98110 DATE: ' ' '236} 842'5=14 , '- , 'I ~'~ .. '.: ~"' ' "' P2~ ' .5 ~iPE LENGTH SLOPE N J Wccds 300 C.0567 . '. o ~ ~ ~ 0 . C'3 · .. K S~LLOW ..... ' L;'NG'Tr: SLOPE .- ~ . ,.., .. ~ ~ WoCdS 15u o 1~ .... J ': ' ~ ~ ~.00 C.,;'' .j ? ? ~.'. 7 .~ MacLE~SBERRY, iNC. PROJECT: Teal Lek !59 Wya~ Way NE JOB NO.: Bainbridge island WA .... n~w SLOPE La'~ 50 O La'w~ 50 0.0 % t % iNTE?2'tZ T: LENGTH S L.~r r. K ' .... P. cad Road Di:ch -- -: Teal Lake Mac ..... ,,c- =u~-z i,'c PP.C~ =C ....... 159 W'/a = Way NE jCB NO.: - ' · ~a; s~;~c° is!ant WA m-.~E ~- ~CNC:NTP~TiON WCRKSHEET 22= !. 5 F.s~= ' :'~;~"':: SLOPE Lawn 5 O 0 0 15 - SHA:,LOW FLOW: [,awn .~_.__~ .... - ................ . . /A'~:<'/~'''5' ~ ' ~ :+' '" · i ' t · ' :','A"~'~ :~,% '. ' '~ · . . :S.~L,SL,O,98,93 3 :,l~'~:-~'~ .<: :~ DATA PRINT-OUT: · :~<-2~?~':-~:':' .': ~ TC :: ?~..~.~.~ :../ ~ PERVIOUS [MPMkVIOUS (MINUTES) -~..~ ..... ~,.;;-... ARMA ( ACRES ) "': ?,{.:/;"3. ". ': A CN A CN 15.6 15,6 81.0 ,0 9g.O ' ";~-"?:; %~ :'. '.'-'~ PEAK -Q(CFS) T-PEAK(HRS ) VOLiCU-FT) ?:'>:.<?~::../...~ ~ ~.,,~ 12,50 17666 . '-:'' ' EMTER Id: ][pathl~ilename[ extl FOR 5TO:{F. GE OF CC:-,PU .~C. ~YOACGP. AFH - -.: ..~ . . · ¥":>:~'- -~ SPF:CI~f: C - CONTINUE, N · N~RSTO]::':,' : -:'~::.:', t00,24 3.2 .................. . . , .,~,C,~ ~ "~>~<~.: ,.,;,,,,,, ~oo-Y~ ~-,;~"~ ~o~ ,,,- 3.: ~o~ =0- '.. · ;, ':?;:.~ <:';;: .- j ................................... "'"':"~'~""~'"'/' .................. TC FOR BASIN NO :.,,<"~', ' ,--~=' A(PERV , CN(PERV), A(iMPERV), :<~:~;?~:~. ~.<~. ~,~., o,'~a, ~,~ .. ' ... A.L / ': -' . '.ATA pRiNT-OUT: :~ -'*:,::' ' · p=~UlOUS ~MF; HViOUS AREA ( ACRES ) ..... A CN A CN 15,6 15.6 81.0 .0 98.0 93.3 ~<'<~?:<'/ :.. .. ' PEAK q(~::/S) ~, .eg'.:~ (~2.:{) VOL(CU-FT) . ":~':;~<:' '"' m'EF. r [: ][path]~il"name[' -{tI ~"~:{ STORAGE OF CGMPUTED HYDRCG~APH 2:?,:~<~ ?'"-'-.< '-' · :: :..:':::- < b: al00ex · ;. ~ .... . , - :, ,.. . .. ~ . .- '.' :. -; , , . ' ' : < /." ' 4' :: .- / ,:: ',. F <.'., ': :-' .:'" _ iii J - ' ' ......... - .... ~'i::.'/',:q'~{-- cPECIFv' C - CONTINUE, N - NEWSTw,-.. P - PRINT, S - STOP · '. ~, ::.'j ................................................................... ~..-. t ............................................. " · "'~;:-~ DATA PRINT-OUT: ..: AR~A(AC~. ::) PERVIOUS ~MP~RVIOUS TC(M!NUTES) . . : I. 47 7. R3 33877 . . , /~ ' ~'.NTER [d' l[o,~tb .... ' ~n.~me[ ext', FOR STORAGE OF C::~":U"' . :RCGRAPH: - b:a~dev hyd . SPECial: C - C~;~'"[NUE N - N~STO~4, P - PRINT, S - STO~' ~-~*~** lO,; YEA}. 24-HOUR STORM **~ 3.20" TO',.-... PREC: DRTR PRIN':' . · " 15.5 !2 3 84 0 3 3 98 0 23 7 .... · PZ~ :< -Q(C:."S) T-PEAK( HR~ ) V~:r,(~;U-FT ) 5.81 7.83 10"795 .- ~ , · . . 'nap :'i ~pame~' ~.,~i :.")R STCRAG;{ O= '~:'UTED HYDRCGRAPH EMTEP. Id' '::. . ...... · .. S~P,.'.: Y: C - CONT~;'i~',· N - N~4STC~H, P- PRINT. S - S'l' · , ENTER' POND S]DE SLOPE (HORIZ. COMPOhEN'!') ENTER: EFFECTIVE S'r{)RAG~ DEPTH(It) BJ.:FOR]-: OVERFLOW ENTER [d:][path][~lenam~ [.ext] OF PRIMA}{'/ DESJG~ INFLOW HYDROGF~PH: PRi ARY DESIGN INFLOW PEAK = 5.S! CFS 2 .~5 ENTER NUM::;'x OF INFLOW HYDROGRAPHS TO BE b: a2dev, hyd a ~ E:(TER TARGET Ep"..FASE ~,,~'E(c~s): - ~=- NUMBER OF O;:;?' C:':S RTSE~-U=a~{ t) : 54 FT RIS~ OVEKP'LOW uE. ~H FOR PRIMARY PEA~: i~iFLOW S~,'::."f [TERAY!O~ D[SPSAY: y - YES, 1NiT!AL STORAGE VAi,UE FOE ITERATION PURPOSES: 34~ 4 CU-FT BOTTOm4 ORIfiCE: ENTEE Q-MAX(c~s) BOTTOM OR~TCE: E~T ~... D!A, = 1.96 INCHE:'. TOP ORiFiCE: P:i{T:':~. HEiGHT(~t) 2.3 DIA. = ').:~3 INCHES pERFORMA;~CE: I NP'~,O%' TA ~,cE-' ~OUTFLOW ACTUAL-OUTFLOW PK-STAGE STORAGE DMSCGN HYO: 5 81 ).05 2.04 3 ig 16 2 '' ~r~S, HYD ]: , 47 ~,~ ..... ~"~ R - ~EVISi{ A ADJUST ORIF E - E~LARGE, 5 - S~CF ' PK STAG~: STORAGE ~ERFOP~qAN CM ' ~ NT'~ ,ON TARGET' O~:':'.' i.~ ~W ACTUAL-OUTh :. :'~ - DESI,;N HYO: b ~[ ~.05 ).04 3,00 31378 · ';TRUC't'URE 0ATA: R/D-POND (3 0:i ::,0:,: SLOPES) RI.qMR-]:EAD POND-BOTTOM-AREA o,.(DP. ;..< .A(@i F.B. ) STOE-DEPTH $,ORAGE-VOLU. 3':00 F't' 8591.8 SOoF't' I..38~6.9 SQ.F'r 3.00 FT 3137;:3 DOi~t:'.,E ORIFICE RESTRIC'J'O~' DT;,([NCHES) HT(FEET) Q-MAX(CFS) BOTTOM OR!;.'I. CE: 1.')6 00 180 TOP ORIFICE: 9.88 2.50 1.870 ROOT [NO STAGE(FT) DISCH,x' '<:F5) STORAGE ( CU-FT ) PERM-AREA ( SQ-FT ) .00 .00 .0 .0 .30 .06 7631.0 .0 .08 7o.o .o · 90 10 8219.2 0 I 20 1~ ~[[180 a .0 !. 50 1.~ 14255.5 .0 i.~0 t,% 17446.5 .0 2.10 15 207 55.3 . O 2.40 L6 24184.0 .0 2.70 L. 35 27734.4 .0 .oo 2.05 z4o .4 · 3.20 3.71 · ' ., 35208 1 0 3.40 6.40 36502.9 .0 3.50 8.00 378!] .9 .0 .. TY 0 M;N:~TES/INCH AVERAGE VERTICAl, P:";':':~,f'" : ' ' S3:.l,'~3T: F ~ILE, N - NEWJOB, ~ - ?l ~',' ~F/OF, R - REVISE, S - STOP f ENTER [d:][path]f~cname[ ext] FOR STOOGE OF ROUTih.' TA' SPECial: F- FILE N NEWOOB, P PRINT IF/O;" R - REVISE. S - STOP , . -~.. k.~UTll~<: DATA: '" z "' S'"~ "~' ( .... - =T ) '" '?" ST~,':E (teT ) DISCHARGE(CFS) - s ~'' ?~:~ .... '3, 30 .06 263[.0 .0 .-L;''~ - ' · '" . 60 .OS 5370 0 .0 .... .90 10 8219.2 !,80 ~4 ~7446 5 .0 2 10 15 20755 3 .0 · .. . -., . '~ 2 50 16 2~ ~',3 8 0 . ....,u 3 0r' 2 05 33.108 .~ .0 ' ' 3.i0 2 69 32660.9 0 . 3.20 3 7! 33927.~ 0 .... 3.40 6 40 36502.9 0 : ..- .... 3.50 8 O0 ~I:~L1.9 0 -" 3.60 ~.56 391'5 3 0 " · , -~ - . · - --' '-' ..... 0 MINUTES/INCH :-:~" ENTER [d:]rpath]~"na~'r -.~t~ COH~':~ED HYD~CGaAP~: . · . _ ?;% '-.: a ~ ' 0der. ', ./d - .~ . -_ " - --,-,~ow/o,~uow ~,~."::'": ... - . .... '-- 'CU PEAK- I ~:; ' CF" ) PEAK-OUTFI.CW ( "~ ") OUTFLOW' 7 - - ' ~ , : iN~ T],%~ ~;'~ :E( F'? :~ TIME-OF- PEAl- ~) PEAK-STAGE-ELEV ( FT ) """" 00 9 50 ;. 00 ~:t --- . · ~.! , ... ' - PEAK 5TORAGL: 3!'~'/,' CU-h' ...... ' F ~-:~' ' r i ~ -,.-tame[ .""~ ' .',~. :~'~'oRAGE ,.J~ER Id: :. '. "-' ..~ . -.. .-~ } - .. _J J -- --J . ?T:'.,."!~!:i~- RESERVOIR ROUTING IN LOW/OUTFLOW ROUTINE ""m:]~!i!'~") SPECIFY Id: ][path]fllename(.ext) OF ~OUTING DATA ~:~'":d DISPLAY ROUTING OATA (Y or N)? j,-~ ;..-; .': ': ";-:;"~" -. STAGE( FT ) OISCHARGE(CFS ) STORAGE (CU-FT) PE~M-AP. EA( SG-;T .00 .00 .0 .0 .:.o 2 3:.o .0 iii :' :";' :;'J:;:~i.':': .90 .10 8219.2 ,. ~ 9:"_' :!:'-." I. 50 . ~ 3 ~ 4255.5 .0 '.2:.~i.i.', ' ~. 80 .14 17446 5 0 '.;'?':i' ~.. :0 . ,.5 20755. s .,, 2.40 .16 24134.0 ' -- -,:--, 2.50 .15 25353.8 .0 !, -- 2.70 I .35 27734.4 .O ., 4.-~ '.- 3.00 2.05 3~405.4 .0 ' ";,?'". 3. t0 2.69 32560.9 .0 · ' ' 3.20 3.7~ 33927.4 .0 · . ~.-. 3.S0 4.95 35208.1 . 3.40 6.40 36502 9 .C --'-- 3.50 8.0O 3781 ':. 9 . C' ' '.-',":. 3.60 9.56 39"~ ~ :':' .- :' ~'" '-~('~, '.' ?;..';: ,',VERAGE PERM-RATE' O u[NUTco/'-,~-' ' . · , ..~: .' .,. ~ o, . . :~'.:;.-..:2.:'-' . E~tTER [d: ]fpath]fi lenar~.,e~. .axil OF C0NPUTED HYDRCGRAPH' ,: ..'.-: ~. j., .'... . :;.,.: .... A :AB.~EV, h,(O . -.;...., ::. ::- '!:;: '-::?!~:!?::"i'.': :''rNFLCW/C'JTFLCW ANAL'!S"rS: -'--',, %. : ,. "i' :::il; ,?. ::.i: '. pE~K-iNFLOW(CFS} PEAK-CUTFLOW(CFS) CUTFLOW-VOL,,~v- : ':-'F ';' :,NiTIAL_$TAGE,.,.~T) Ti,u,E_OF_PEA~((HRS) pEAK-STAGE-ELEV(FT; '-:, ":/ 00 24..33 2.48 :.i - ;-.' :.-":f · - PEAK STORAGE' 25120 CU-FT .~. ., .'....~ " · E,.qT=~' Id ][path]filename[ eztJ FOP. STORAGE C,F CCuPUTED HY~RCGRAPH' ; · ~' o o . ' . .' ! , .-.~. --- "; :, ' ;i · · . - ..... e.,, ,-....--...,,,.,~.. ~'~ i - · - · " 98 DATE: 01t;0/96 ,?~-w,?,", n~,nbrzdce Island, ~.A !I0 "<-. ~:'~ {, ?"' T:ME OF CONCENT~TiGN WORKSHEET :,~ -: .::.<j . ..'t-' '. ::' ,'~ · ".:-' :: .... :; BASIN ~ B{ex~st) :'-i P2= SU;'=-~LOW ' - "': woods 300 0.13~9 9.~ ., .'....-.. ~ ~ ~ ~ .... ' '~: ' ~: 3 ') '~ ~ "~ , . -- v '/ T · -~: : . Woods 25,~ 9,~ '' ' ~,;..-... . .9 ~, ...~, .. .... ~ - . ::. ;::'. ~., ~ ~ ~ ~ ,~ , ~ C . : -. ':.~'.':/::-- ~ ~ ~ ~ n CC >:. .': 0.~: :-:"h: ' ' C ' -.; · ': ...... ' 'c .1 ..', -:.: ,:-;.;.. , . ~ -.; ~ .-- . . . . .,'~'. ,; · :..] . . :*.-;:.: ::.,: . : . . . , - ~.. .'.'...:.~.: ! "' I * I ~ . .. . ~,:~.~ ~.~H. ~ .~.,* '*_o~<'~-':~ ...... ,SB~R~v, iNC pROJECT: Tea! Lake :~?'~-,.::~:.-~" machos, ~; ...... jOB NO.: 9 5 0 2 4 ,. ~.~.-. ~ ..~ ..... -'~5'"' T:NE OF CONCENT~T~GN WGRKSKEEi -f. -,:-:.v. " :":"'" TYPE LEiiGTH SLOPE ' ' ':'-: "~ 5 ~ ... ,, :.-,.: '. =-,, ". ':,~' .5 i ::-: ..~.;-..., . , ~)~.,:.? . =~a~ Ditek 250 ,.- . ; '~'-....%, :' .- ... ',: ,¢',-":" ' '"'" '=""'"~'>""" - · . : ' ?....::. .... . ? .. . ".' .' ~. '.~ ).-t --, ,;. -.:/., ,, . . . .. .'T,. ,... :-, . . .. ., /, .. ,-. :-:-Z.." .,... ,:~: .. ._. ,7, ~.,~.,~,~...,?: S.C.S. TYPE-lA RAINFALL DISTRIBUTION ENTER: FRZQ(YEA'!), UURATi::~{(HO'IR), PRECIP(INCHE$) ~+~ 7?< 2,2 ~, I. 5 ........................ .......................... -~ ''~J. ~,t~,~***-~****~ S.C.S. T'fP<'~ DISTRIBUTION . t*****,~x 2-YEAR 24-HOUN STO~M **~* 1.50" TOTAL PRECiP. ........................ , TC FOR BASIN ENT~-iR: A(~ERV) C~(PERV) A(IMPER';) C~IMPERV) . ,..... ' , .2,.~ .,.' '--~'.~. .DATA PMINT-OUT: · ~.~ .... -:~: AREA(ACRES) FE~V!GUS !u~ERV iOUS , ~(MiNU':','.. , " A CN A CN 1.4 1.4 81.0 .0 98 0 61 .:..- ~ ~. O, ' ,12.50 1544 ' ' b:b2ex[hzd · - .. .- . . SPECiP'Y C COtiTiNUE N - N~STORM, o . P=iNT S STO= " S.C.S. ~PE-1A RAINFAi,~, D~$'~'F. iBUTiON ': ~ ~:z 7- 2 10,2 .................... "~ " '~'~ ~ ' ..................................... "::':~":" ' --- ~*~* S C S. ~'YPE-iA DISTRIBUTION . - ,,.: , ,,~'... *******x* 2-YMAR ]O-HOUR STORM **** 2 ~ T:-. · . -.. :.'.::..:.-,, .............. . . _ ................... -- ...... . .~ ~-.- . ............. · '~.. ENTER A<PERV), CN(PER'/} A(IM:'ERV) CN(IMPERV), TC . . ... - D;:,:,.~ pRiNT-OUT: -' . :-..~: .~. AREA(ACRES) PERVIOUS ] M~').:RV ~,.US TC(MINUTES) . A C N A C N 1.4 1.4 86.5 .0 98.7 2.0 PEAK-Q(CFS) T -~EAK{HRS) VOL(CU-FT) ~ 63 3 . 08 4136 E~{'$ER ~.~: ]['J'~th]~i["name[ .e:{t ~ ." .: :{~ORAGE OF COMPUTED HYDROGRAPH / b:bl0ez.hyd -. ., · [-.'- $.~' S TYPE lA RAINF/'., ' D~:'"'~IBUTIO~! i<'!; ;: :.:;~'~':,;R: FREQ(YEAR), orj?.'~.,',. ,:l(;{ogR;, ,t~.E,',,-~(INCHES) "'/[.>.~ L ' ' '-" ~,:i~'i'i' 100,24,3.2 ....... · -.; .... ',.,~"-.: 3 20" TOTAL PRECIP ...-- ~..~ '~;~:;- ENTER: A(PERV) CN(PI.::.:v', A(IRPERV), CM(1MPERV) TC FOR BASIN ~:'::. ~.36,81,0,C',61.9] .-~ DATA ':~NT-OUT: - . ". .... AREA ( ACRE~ ) PERVIOUS IM?ERVI 0US TC(M ~UTES ) , .'. A CN A CN " ' 1.4 1.4 81.0 .0 98.0 6] .9 .. ,. _ - PEAK-Q(.C~ 't' -~:{AX(HRS} ~ .22 8.00 718] . - '-.' ~NTt':R Id: ][path]~tt;~nnme~.ext] FOR ST~9. A(':< :;~ COMPUTED HYDRCGRAPH ~ /b'b] S0ex .hyd SPECI~: C CONTINUE, N ...... · ' , . . , .. -.. ,.,-. S.C.S. ~PE-1A RAi}iFALL D!ST~[BUTION .NTER FiqEQ(YEAR), DURATr"~((,~,,~,2) PRE:; '" . ..~ ~ ~ ~ - -- .~ 2,24,1.5 -- - . . " .O~A' -."'"~'"""' ~TER: A(PERV) CN(FER'/ A iMPERV), CN(;b{PERV%, TC FOR }~;-'.-N N'[ · [.-, -<' ~ .03,86,0.33988,11,42 .. DATA pRiNT-OUT: ,. .- .- ~. ' ' AREA (ACRE~: ' pERV l <~U~ t,.~F2V iCUS A C N A C N 1.4 !.0 86.0 .3 98.0 !' .4 PEAK-Q(CFS) T-PEAK(HES) .20 7.83 3369 . . ,~ , ~'c:.l! r,~:][path]ff{lennme[.ezt] FOR ;[CRA.':'1 {~' COMP~JTfl~O · ~:b2dev.hyd S.C.S. TYPE-lA RAINI.';,LL .<;~ ,,.E ~ yR .{Q ( v :,-.A;~. ) , DURAT ~ON (H,3,},~) PRECIP( · ~ ' ' ' 10 24 2 ---- ---------------- ---- .... .. . -- _.--.. · ~**~*'**~ 10-YEA[( 24--HOgR STO~ **** 2.00" To'rA:. ~RECIP. .... -------------.~ ........... ------~- AREA(ACRE~) PE;~V '~:~J~; IMPERVIOUS 'rC(~ [~IUTES) A CH A CN ! 4 1.0 86 0 3 98 0 11.4 PEAK-Q( ~:FS ) ',; -.AK~ nRS , - b'blOdev.hyd S~CI~f: C CON'riN;;E, N - N~STO~M p - PR~N'I' S C.S T'f~;-!A RAiNFA,.- DlST~IBUTiON -iNTER' F'iEQ('f"~AR), DURAT[ :~{( .... ) ..~ IP(!NCHES i00,24,3.2 .......... ~,~,x~.~**~x*~'*~** S.C.S. TYP'':'~A OiSTRiBUTiG~J **~*~**~*~*~ -~*z~**** i00-YEAR 24-}JOU~ STORM **** 3 20" TOTAL PRECiP. .................... E~':'ER: A(P~V), CN(PERV'~ A(i~:'ERV CN(IHPERV), TC FOR BASIN [ 03 86 0 33 98 ~: 42 DATA P},; :~ .... OUT: AREA(ACRES) PERV ~ OU~. i~?ER'/1 c),3S TC(~.~] ...... 1,4 1.0 S;.. ,g .3 98.0 PEA~ Q(.;,fS) T-PEAK(".~:{) VGU(CU-FT) .69 7.83 10406 ~'-;Tv') ~d: ]lOath'~.:;~n'~me[ ,~xt] FOR STO"AG1'[ '; ' ~:OMPUTED HYD~OGRAPH: s ,... ~ · . '- ~ . · ~': j,~ 00der. byd S;'P.f::P'Y: C - COHTINUE, ~ NEi~STOP24, P - F:, -~T, S - STOP · .,..','~'~..-.' ', ENTER P~?~RY 0ESIGN RELEASE RATE(cf'}' ' ;:,- ¢, ¢ . ..~ ~ .'.::7.:,~.;~:... i Eh;~R NL:HBER OF iNFtOW HYO~CG~PHS ~O ~E TESTED ;OP pE~FCP~4NCE r5 -- ENTER ~EGET RELEASE RATE(els;: ~ITE~ NUMBER OF ORIFICES, ~'.~ ..... ( ]:F~-O~;HETEP'. ~n~ '; ~'"' ':'" i ' ~'~ · .',~-:?'::'-'. ' t SPEC:~F iTERATICN DISPLAY: Y - YES. N - NC . · ~ .';] "" '~-: .... I N ., ";¥; :2~;'-.; '. ~' '~<:~':~:'&;;'" I S~ECZ~f' R REV-=, o¢~ T~' iNFUT C - ,~N, ::k.~'?~-:..'-~ ~ ~ ~:~ :; .~.~ ZN~T,~L STORAGE VALUE FCP iTER~T.~,, PURPCSES 3255 CU-FT ": ~GTTCN OR:FiCE: EHTER '~-~AX(~' ~ : :: OZ~ : 73 iNCHES .... ~ ~ , , ~ . .. ~"'" TOP ,;R:r~'.E. ENTER ~CiGHTr t~ ,;":~t-'.:'- . ~ 47 ; "'¥ ':~ PERFCPH~NCE' ~NFLCW T~n~T_r, uT%: r,W ACTU.;L-OUT~LCW ~K-STAGE ~TCP~u: .:.~ --. ' CESIGN HY0' ,69 ' - o 47 2G80 :'-'~-"~" TEST HYD 1' .20 .01 .02 -. -'":;:~':'~. "'' D ~Ev~SE A -ADJUST ,3R~F = - eNLaRGE, S - STCP J ~ *' ..... '.:: ~ SPECIFY' O - DOCUMENT, .. - · ' ' ' ;.. ,' ¥ 4". · ~ ~ , . :: :~""" I O , ~¢RFOF'4~;.ICE · ZHFLOW F~GET-CUT;LOW ACTUAL-OUTFLOW FX-STAGE STORAGE , ,e '~ OD 2 · L'.:' ':.. .i 0ESIGN HVD: .69 ,22 .,¢, ., .-...'..~.: , .DJ ,02 2.47 -]-:,~,.,:,¢~..~ TEST HYO I' .20 .~, ,...~ ...... ,'i:;.:..:"F': ........ ~ . '.-. ,: . ' ~ ?>:::,;.:i.~] STRUCTURE DATA: r:/O-~;'67~o t3.o-1 s'l:i~ ,SLOPES) 3 00 FT 43g 1 SG-FT 208~ 9 SQ-¢'r 3 O0 FT 2~.38 .'. -:~.?.,"~ 8CUBLE ORIFICE RESTR!CTOR' OIA( INCHES; ..... .:;?'-~ ,, BOTTON OR~CE' .73 .00 .025 ~.- ', .??.,~.. TOP CR~F~E' 3.14 2. ~7 .195 -,'.::-':,'. STAGE(FT) 0[SCHARGE(CFS) STO~AGE(CU-FT ) .OO .g0 .0 .0 . . ~0 0~ ~44 O 0 " ' .50 .01 3'' O - , · , , ":':. ' .90 .01 5~.3 .O , -'' "","~ ~ 20 02 739.6 .0 - , j 2. ~0 .02 ~52~.2 .S ... . ~ 2.40 .02 1987.7 .O - - ' .47 0~ 207~ ~ 0 '- ~ 3.00 .22 284 .3 - --*~ ].t0 .55 2000.: .O ].20 I. ~3 2 ~63,7 .O ~.. 2.20 :.87 ~332,3 ' ' . ~ ~ ~0 2 58 3506.0 .O 2.5~ 2.97 3~8~.7 .. ~v?gGE vE~TiCAL PERHEfi~iL~T'{' .3 MINUTES/';NC;~ _.. 5 ~PEC:F'(' F - FILE, ~ - ~IEWJOB. p - P~i~IT ~F,/,SF, R .- ~E'/Z~E, S ..: ._ ; , , . ~ ENTER [d':~Da%h]f:iename{.ext] FOR STCR~GE OF PCUTZNG DATA' .,,, ' ;" SPEC"FY' F - FiLE ~ - NEWJCB p - ~iNT iF/CF, P - REVISE, S - S7.3F ~'.j -,~ . . ;. .. . .;~ .>.~ .i ., TER (ft) EF;ECTIVE STCRAGE DEPTH (fi) ER [d:][path]fiienameC.ext] OF PRimARY ~ESiGN !NFL~W HYDPCG~PH ']:' ....... . E~TER PRIMARY DESIGN RELEASE R~,:.C,S, _. L.~:~.;~ .. ENTER NURSER OF [NFLOW Hv~AP'~,S TC' 8E TESTED ENTE~ [~:][~at~]~'iename{'ext] OF ~YD~CG~Pu ~ ..... ENTER TARGET =~'' ' ,' .~.-~ . . .,~ ...... ' ..... , . RISER GVERFL~W 0~mTH F~R PRIMARY mcAX "~LCW iFi.,c · ~. 03 .... ' ~ . ~.~ ,_-~ ~. 6~ .... ~., ~,'1 C H.. . ~ -- ~ --j ~, L-Ct:TFLSW :K-STAGE ST:SRAGE .:.~ 3EEiGN HYO' ,Sg .22 '-' TEST ~vo , 20 0l 02 ~ ....... SPEC:?' g - CCCUMENT. ~ - REVISE. ~ - ~OjUST ORZF, ~EPFCP~4~NCE' iNFLOW TAHOET-o ]T=LOW ~, b~L-~t ..... W '.~ SES-~,t 9' '" 02 o 66 i~9C -SST ~vD" 20 .O: ' " " "~ . , , ~;] ..~ i ' ~ l ' 3L 'A.r . f i r SE~-HEAo TANY,-DIAH STOR-DEPTH F,~tlK-LENGTH STOPAGE-VOLUI-~E :v: .~. 4.00 ~ ..00 FT ',CO ~ 225 4 FT 2~29 CU-FT :OUGLE ORiFiCE RESTRICTOR: OlA(I~ICHE3) HT(FEET) BOTTOM ORZFICE . ~4 00 0~0 rep CRab!CE' 2.~7 2. STAGE (~) O~SCHARGE (CFS) STORAGE( CU-FT ) pc~M_AREA (SG- .0O .00 0 - 0 ·: . ~0 0 ~ 403.3 . ].20 .02 714.7 .0 2.00 .02 ~4~5 3 .0 ~ 40 .02 1774 ~ 3 -' 02 20~7.4 ' .0 2.5a · .0 ' 2.80 .08 2:~7.9 S 20 .15 2429,S 0 2~2 ~ -.30 ~ ~4 ~o ~ O ~.40 2.54 2832.6 ~ :1 ;',IE~GE '/EFTiC~L ~;~¢~Lt-'~ ,: .. ' . ~NT;~ [~ lrcathif~i~rmm~[.ex;~ F,;R STORAGE CF ~CUT:~G (.: ., ..~ . ':i 1 - ~;~;.,~;.,. I Erosion and Sediment Control -':~,~.:;;.~,>.~"., I. Stabilization and Sediment 'rrappin~ 2. Delin~at~ Clearing and Easement Limits -~ .'..'?.5_ 3. Protection of Adjacent Pro~mes · ,...-.va 4. Timing and Stabi!izatinn of S~d~mcntatien measures ' "'.?: ; 5. Cut and Fill Slop~s '- ' 6. Controlling Off-site Erosion ~ 7. Stabilization of Temporal' Conv~,,'anc~ Cha~ts and - -_ '. i ~. S[o~ Drain Ivde~ Protection ' 9. Underground Utility Constmc[ion · I I0. Ce~rmcfion Access Routes .'...'-[ .' ' ~ I i. R~moval of T~mporau BMPs ..... .... ..~ ~:.. , l~ De.waterin~ Cor~tmction ' -' ~-":'-c"; Co~m,ction .~ ; 13. Control of Poilutants Other l~3n .~c~nu., on ~" ' I ' Maintenance ' ':- : 15. Financial Liabilk5 .. ' -. ~ . · - II. preservation of Nar~ral Drainage Systems · . .. ': i. Maintain natural drainage patte~s ~o maximum extent pract!cabi~. ~ ~..-~ , Discharges from sire should eccar at namrai l~ation :..~<:.~{j ~.'.~ practicable - ::'-~ Iit. Source Control of Pollution · ' :,.~-~<. ~-,); . .-~'=~::, ': ~:' ~ Apply avproved source control BMPs to maximum ex:em 7rac:~cabte- :~'-"~'" 7' ' , Basin Plan (see ~r~e Parcel Minimum Requiremen~ ~95 mav ~e ~" ..... . :~)~.55:'.'.' .. source control BM~s ~ailored ti0ra specific basin. ~.--~5-'-'.~": IV Runoff Treatment BMPs ... Q. ." "..'~ . :' '-.-:.. 1. Provide treatment of sro~n~ ater :" 2. Size treatment BMPs ;or water quality design stom~ ~6-momh. ".-'5~.L.'~ ' 3. Use infiltration to ~llest extent practicable. - ' 4. Use treatment BMPs as described in an approval manual. BMP~ shall .;7: ' within natural v,~etated buffer, except for necessatT con~e?'ance "' 5 '~.'~." approved. . . ,' '.- s Basin Plan (see l.argc Parcel Minimum Requirement ~9) may be ,ascd - :.",: '. sto~watcr treatment requirements tailed for a specilic basin . .. , . ... -..C.' '.:":. '.;,'.,,; . . , . ~. ..' V. S~reambank Erosion Con~rol I Limit peak rate of runoff from developed site to 50 ~rcen~ of existing ~" l~-year. 24-hour d~sign sm~s. 3.Use i~ltratlon to fullest extec~ practicable. Sto~water must b~ treated ~fore direc~ discharge into groundwamr. 4. Use s~reamba~ erosion con,rot BMPs as described in an approved BMPs shall not be built within ~mral ve~e~ated buffers, except for conveyance systems as approved. 5. B~in Plan ( see Large Parcel Minimum Requirement ~) may ~ use~ :o develop s~re~.mbap& erosion conwol requiremems tailored for a specific b~in. i. Control and treat sto~wa[er discharges to wetlands ro meet State Water Quality' ' S~andards and Ground Water Quality Standards. 2. Discharge to weHand only aRer evaluation al[e~tive ~L~.~- Diverges shall maintain hydro~ri~ and flows of existing co~di[ioms (o ex[en~ necessae/ to protect charactefisuc uses. 3Constructed wetlands used for treatment must be cons[mc:ed m non-wetland area and ma~ed for stoa. water treatment. D~scharges are regulated. ' No s~o~wa~er discharge to create wetlands used for mitization. -. ~ .~ , *d buffer. 5. Sto~water weatmen[ BMPs shall not be built within ~turai except for n:cessao' conve?'a~ce systems as approved. 6.Basin Plan (see L"r'° Parcel ' Reqmremeat ~9:~ mav be used ~o dc~etep wetlands r~qui~cments taiiored for ~ sFec~fic basin. Wat~ Quality Sensitive Areas i, More stringent controls may be required by the lo:al ~ovemen[ for of water quality ~ensitive areas. 2,S[o~water treatment BMPs shall not be built ,.v~thin natural vegc:ated buffers. except for necessary conveyance systems as approved. 3. Basin Plan (see Large Parcel Minimum Requiremen~ ~9) may be used ~o develop water quality sensitb'e areas requirements tailored for a specific basin. VIII. Off-site Analysis and Mitigation i. Conduct anal?'sis of off-site water quality impacts resulting from the project and mitigate tl~esc impacts. Analysis shall extend a minimum of one.l~unh m~ic 2 . '.-/-'7:<;':<.l ~Dw~t~ from project. . .... ""7'"';~'{ 2. Existing or po[cntial impacts include, but arc no~ {~m~:e~ ~o. exces.~ve ' '~':...:'j { -' ~-[mc~t~ion[ s[rcamba~ eros,on, d,scharu<s ,~ ~roundwa[cr. ,,ola,,or,s of %' ~-?,-.:,. IX. Basin Pla~ng '' -~ , Minimum R~quiremen~s ~3-7 may ~ m~ificd by adopted and implemented " pla~. provided the level of protection for surface or grou~ wa:er ~hicved equal or exceed tha[ pr~uced by implementation of t~e Minir.~um Reeuiremcn[s. '" ~ Basin plato shall ~ develo~d in accordance widt an approved manual, and .:'-" include retrofi[[ine of BMPs Dr watershed wide poilu=n[ reduction. ' X. Operation and Mainte=nc: ' '" .. I. l~enuly respop~i0te party, and provide ~hcduie cf operation and activities for all proposed stonnwater facilities and BMPs. _ , ; XI. Fmanc~a, Liability : i Perfo~ance bondin~ or o~Ecr appropriate financial :-,-~-~-n'~ . ,-:..: . compliance ,x'i[h zhese standards. -. '.,.. - , = ... . ., . . . '" t . . . . . .. -_. ~ 3 ..-. ...' I - ..~. '-" :.':. ~ :'~ ~ ~ ~ . ~ .... ,., ~ . ,~ .... ~ ~ .... ~ .... ~ ,-, . - ..... ~ ~ ~ ,. ~ ~ , .,; . - - ~~ * ~ · . iz ~> ~ .....-....,. .... .:,.,, ~ g~ ,,.~ ~ = ~ ~ ~ , <,.. ...- . ~. , ~ "'~ ~ ~' ~ ~ ', -. '..7. ;.. :;. ,. ~./ ~ . -. , .-:..:._.. ~ ~ /~ ~ ...~~ ., ...... · --.: ~ ~ x ., . . - ,. t~ X - ....-..... { , .~'~- ---~ ~ ...~ .... . . - '.':':/ ' .. .,'.... t// ?~ 3 ~ ~ ~ ',. - ~k~,:' -', --. , ' i ~ ~ ' ~ . .-. ~ - ~ ~ / ~ I '_, .,--...,. ~ ~ ~ . / ~ -2.- ,: ' , ~ ,.,. , , _ / ........ ~a '' ~ - : " / / t ' , 2: .:..'t ', ,, , · . '.: . · . -. / / -- ... ·, ... / f /'" "- ~' POPE RESOURCES -. · . " - ~r ~ '-~'" ~ !D !D'~7 ........... -'" ~ ~ c~ ~.~,, .~,d s.~,~,~,,o ~,,.~,~ INDWiDUAL LOT ._ : DETENTION POND DETAIL ,. ,.o.,: ,,o,, ,,,.,,,, ~""'-.~; 1~ '"-,r' .'--- I~'''' ' LI_----. '--- - L~>'u-.~.'-.":',~ ~- ~E'~ z 'r · -- ~ ~ ~ ~ ~ ~ ':'--'""' ~o~ ~ ~ ~ ..... ~--- ~ ~' - .- ~ rn (~ % ' - ?: ..':/. ,.;:' . - ' ~ ~ ~' I.~ ~ ', % ' :.:. ':.. : ~ . ': t.i. - ~ ~ ~ ~ " o~- - ~ o ~ . . -~ , . '. m ¢~ '-'~- ~ .... ~_.~ . ~ ~% ~ -- ~ .- ;,: . _ '~; .: ' ~ o ¢~ '.~ ~ m I 1 0 k~ - C' ~ X - % o > IO ". l-?~c'U~'q/'' ' ,:~3 ~ : ~ ~'"' POPE RESOUROES ......... INDIVIDUAL LOT CI~tl ~.~i~r~o~.d S~y0r~ ~'~l~.~r~ DETENTION POND DETAIL ........ - ........