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SWP272871
V UQ 6U 4. . Short Plat'(SHPL ' REQUEST FOR PROJECT# Prelim.Plat.(PP## ) CAG# , To: Technical Services Date WO# t0�" } Green# From: Plan Revicw/Project Manager Project Nameh(' — (70 cha.-atlas rr=) Description of Project: Ic+ ro, (4uot 1 �® m , j � �� CM j cur b , g cA-(` 4- �a d P j:� CA I(C Circle Size of Waterline: 101, 12K Circle One: �Idew or Extension Circle Size of Sewerline: 8" 101, 12" Cucle One: Mew )or Extensio��i Circle Size of Stormline: 12" 15" 18" 24" Circle One: Mew or Extension Address or Street Name(s) Dvlpr/Contractor/Owne fZ� I (�cMI y r 1' (1G1 QO charaacrs mu) �cn�n 0 - r�ev-e_.(c�r.�er Check each discipline involved in Project Ltr Dr-,vg #of sheets per discipline ❑ Trans-Storm 7 (Roadway/Drairugc) (Off site imp rovurrnls)(includc basin name) (include TESC shccts) ❑ Transportation (signalizadon,(>-vtncIizzdon,Lighting) ❑ Wastewater Sanitary Scwcr Main(include basin name) ❑ Water (Mains.Valvcs,Hydrants) 1� (Include composite E:Horizontal Ctrl Shrzts) ❑ Suface Water ❑ ❑ Unprovements (C?ONLY)(includc basin narnc) -��7 TS Use 2nly 017 7171 , ,1 Return Address: 1111111111111111111111111111111111111111111111 City Clerk's O 20010618001507 Office City of Renton CITY OF RENTON BS 9.00 PAGE 001 OF 002 1055 South Grady Way 06/18/2001 12:13 Renton,WA 98055 KING COUNTY, WA BILL OF SALE gyp_o,_ o y y Property Tax Parcel Number: 33 y3q0_ r 3b6'r3 t 2, Project File#: Z8 71 SA.IE Wection k L 7number2arieon /7Reference Numbers)of Documents assigned or released:Additional re ere page Grantor(s): Grantee(s) 1. P .,T, F-, H1)101;/(rs , W--,r- . a 0A. Corp. 1. City of Renton,a Municipal Corporation r' 2. c� u The Grantor,as named above,for,and in consideration of mutual benefits,hereby grants,bargains,sells and delivers to c� the Grantee,as named above,the following described personal property: WATER SYSTEM: Length Size Type 8 3 f L.F.of $' D.I.P. Water Main L.F.of Water Main LC) L.F.of " Water Main .3 each of fj" Gate Valves 0 / each of /Z" Gate Valves o Z each of Fire Hydrant Assemblies N SANITARY SEWER SYSTEM: Length Size Type /!D L.F.of 8 P✓L Sewer Main 7 Z Z L.F.of $ " G F00 Sewer Main L.F.of Sewer Main 3 each of y$ Diameter Manholes / each of Sal " Diameter Manholes / each of 60 Diameter Manholes STORM DRAINAGE SYSTEM: Length Size Type 6'Z3 L.F.of ZZ GPCP Storm Line L.F.of Storm Line L.F.of Storm Line each of Storm Inlet/Outlet each of 7YPC/ Storm Catch Basin each of TWC Zr Manhole STREET IMPROVEMENTS: (Including Curb,Gutter,Sidewalk,Asphalt Pavement) Curb,Gutter,Sidewalk 2 4 7 L.F. / Asphalt Pavement: SY or Z(e 7 L.F.of Width STREET LIGHTING: #of Poles rl A By this conveyance,Grantor will warrant and defend the sale hereby made unto the Grantee against all and every person or persons,whomsoever,lawfully claiming or to claim the same. This conveyance shall bind the heirs,executors, administrators and assigns forever. H:\FILE.SYS\FRM\84UNDOUMILLSALE.DOC\MAB Page 1 Form 84 0001/bh IN WITNESS WHEREOF,I have hereunto set my hand and seal the day and year as written below. INDIVIDUAL FORM OFACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument Notary Public in and for the State of Washington Notary(Print) My appointment expires: Dated: REPRESENTATIVE FORM OFACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )SS c� COUNTY OF KING ) 'A-) I certify that I know or have satisfactory evidence that o signed this instrument,on oath o stated that he/she/they was/were authorized to execute the instrument and ao acknowledged it as the and of to be the free and voluntary act of such co party/parties for the uses and purposes mentioned in the instrument. c) o Notary Public in and for the State of Washington Notary(Print) My appointment expires: Dated: CORPORATE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )SS COUNTY OF KING ) Zap I On this 'N" day of H-4Y 39 ,before me personally appeared _ �� Ft�, ' Rz4fo%11 /�l�c J, FeU&WA56r�� to me known to Gj? \SStON�:••��11/ be ?1e t,51be s7 of the corporation that •O r10Ti4 fo• l executed the within instrument,and acknowledge the said instrument to be the free v RY m; and voluntary act and deed of said corporation,for the uses and purposes therein ti mentioned,and each on oath stated that he/she was authorized to execute said PUBW �/I tp. instrument and thaVthe seal affixed is the corporate seal of said corporation. 9 30-0� ,1 mc I11���w in an or the State of Washington Notary(Print)-5 ac�n 1 My appointment expires: 09-30,OLI Dated: S• 7. O f Page 2 PROJECT CLOSING #4 Final Cost Data FINAL COST DATA AND INVENTORY and Inventory 5_EPJrx/wA7iz/IvE H"6r F 9 SUBJECT: J�/ g CITY PROJECT NUMBERS: I{71 WWP- Z C7 1 6Dn/& C�RaTLE �F�•uavv •.S6vD SWP- Zk7/ Name of project TRO- LEW TED- Z f 7 TO: City of Renton FROM: �ENTU.e,'rm ��V• SVG�S Plan Review Section ZZ /7 SX' Planning/Building/Public Works BD rwetC., -)A '�i�ULl 200 Mill Avenue South A-f/v �f,Kt �o�+Aivo Renton,WA 98055 DATE: Per the request of the City of Renton,the following information is furnished concerning final costs for improvements installed for the above referenced project. WATER SYSTEM CONSTRUCTION COSTS: Length Size Type L.F.of WATERMAIN g 3 L.F.of WATERMAIN L.F.of WATERMAIN L.F.of WATERMAIN EACH of GATE VALVES / EACH of GATE VALVES EACH of GATE VALVES '/ yS a0 z EACH of FIRE HYDRANT ASSEMBLIES $ f — (Cost of Fare Hydrants must be listed separately). y (Include Engineering and Sales Tax if applicable 6667 TOTAL COST FOR WATER SYSTEM $ S 7/ 74-F-O D SANITARY SEWER SYSTEM: STORM DRAINAGE SYSTEM: Length Size Type Length Size " Type 117D . L.F.of B •, Pv e SEWER MAIN 5-Z 3 L.F.of /Z " EPA STORM LINE '7L L L.F.of g " G 9DC� SEWER MAIN L.F.of " STORM LINE L.F.of SEWER MAIN L.F.of STORM LINE .3 EA of yg DIAMETER MANHOLES EA of STORM IN1Hr/OUTLET " STORM CATCHBASIN 7 EA of $•y''960'� " DIAMETER MANHOLES — EA of STORM CATCHBASIN (Including Engineering and Sales Tax / EA of if applicable) $ /Q j, �/S• 7• D a (Including Engineering and Sales Tax TOTAL COST FOR SANITARY SEWER SYSTEM $ Y/M, (,&Z if applicable) $ 3 TOTAL COST FOR STORM DRAINAGE SYSTEM $ 36 t;DID.0"t7 STREET IMPROVEMENTS: (Including Curb,Gutter,Sidewalk,Asphalt Pavement acid-Strcetbightitrg) Axa. 'x11J'WK19(- P400r r'`G. N,� Z L/ f-" �T fi-�»o6�a E -1�.�r'yy�,�-tom d� �/!� ��/ % L'!o7 (� 1/er4. Gvrb ; o a SIGNALIZATTI/ON: (Including Eng.Design Costs,City Permit Fees,WA St Sales Tax) STREET L�IG/HTI G: (Including Eng.Design Costs,City Permit Fees,WA St Sales Tax) Print signatory name ay phone# Z�7=-- (SIGNATURE) forms/COSTDAT2.DOCfbh (Signatory must be authorized agent or owner of subject development) SEC. 5 ,TWP.23 N,RGE. 5 E W.M. Mi W z z ! E P 9 N TYP. 20'DRIVEY GUl WAT 2 a SCALE: 1"=40' zI x . SIGHT DIST, TAPER 10 MATCH . anawwv x-> i -.-_. ./ _ .B<; -GUTTER.t TCH Im CURB. .. GUTTER&SIDEWMK N O E Y s e9D)'20'W 133.95' _-, z J re[noEfx AK) -�_' �._ .. :� �T y -- _ • ''� �_ '/J' —.�. tE �DATW:tl1Y OF RENTON ED O STORM RUNOFF FROM NEW REQUCm SECTION CONC. 7E MOXut4'Ni nA Ecnax Hi.loXFs y 'a = �KxUf N.E. HD X.E.21M SIXLT).pEVABOx- y N — GUTTER N BE COLLECTED E I ' S -M WIDTH A UNIMM 2A4.SI X.E.loge us 241N Q o /OISCNARCEO TO EMSTINC I 7 LBO% + LBI!IA(lY➢E 1L THICKENED EDGE CATION STAB,1.19 BI RACE OF CURB AND BACK 8 ASPH TRAMP __1 ' • aj� I w1 w I WT1NR B INU, OF SUEW'AUC SAWS REARINXfF[0r+,w[eA¢D aX pn aF NFNTw 24 E 8. 1 j PPs sMKr Drnma W@%'MoxurRl+h �I •.:...( _ CURB QUIET+E WSTALL STEEL PIPE I I ,.•V.••• 'J I - — C am+- HANDRAIL FOR SIOEW'AII(S WMIYEY E ToPOHMAMMY.. 8 J _ 9 to263' PER CA.R.SP PAGE H02.. cpugETEp er RCAMUIn-ZgL.ws NOTES: S 1.A COORDINATE USTINO,OR EQUAL OF THE E� 7 4AIL80% m "' PROPOSED DRAINAGE NO, LOCATIONS IS M-Z AVAILABLE AT GROUP FOUR,INC. 00 Jt(AB]ADS CBB S w 2.ALL CATCH BASINS ME TO BE TYPE 1 }Z 12'BB R'� 124 2 �r _` $: UNlE55 OTHERWISE NOTED. Wd�h�1F 1H221] 13.]BR AB) 1 0.9]1E(AB) s + ) 1 OK F _ J.ALL GRATES ARE TO BE MT UNLESS OTHERWISE NOTED. €€€eaW / 4.ALL NECESSARY OFFSITE CONSTRUCTIONS EASEMENTS 4 PERMITS SHALL BE OBTAINED PRIM TII [ ,u,'1N 1.2(i - ' It2+3 a I I` TO COMMENCING CONSTRUCTION. g `BTA,t+1 1 L J. TH THE DETENTION/WATER QUALITY FACILITY WILL BE MAINTAINED BY E HOME OWNERS ,,N1 ASSOCIATION. 4 Sa B EACH LOT TO HAW INFILTRATION SYSTEM DURING 7 I„� 21 J7 (ABf 9 0. 1 INSTALLED D BUILDING PERMIT STAGE, 2e3 81 fz I I �.(AB�µAD ioB.Bol( 3 ] - �s I DESIONED TO COLLECT,AND WRLTRATE ALL S. AR 1 CrJ '� ' �- B Q SURFACE WATER I ►.y 271X AB)m6uQ � g i LEI V J II� I ] LOCAn9N• (♦AB ADS! -T tSGE .e w�E,' 25i L -<o I I V OF 4.41 $ 19 31.(ABl A05 TIE- - 1 uo n '.' 12 8 e E T I t 4 I r n B 1BTY 14-12 24'(AB ADS 5° (AQ .. .._ (AR) I R T AS-BUILTS CB TYPE 2�, �. MOOR ) RECOMMENDED FOR APPROVAL APPROMMATE CB tt AL{+ __ `-Sy/',.( OCAnON Oi BY: DAIS: I TIE+-FBB,BB *` µ /\I __— SP3PLM fOR E DATE: I 9L IE-28A98-tYADSNE(AB) T 18 .Z \ \ _�4 - �IXACT LOCATION a 1 a E B BY: DATE: IE.2a4.BB-t YADS,S(AB) 115 \ - ANO WSTMUnON 3 ' Sl' AB I -WSTRUCnONS 5 � BY: DATE: D N R TR N - ._ ., \ _^ec (J-TR) cw 1z ce YPE,L r{ I a+ GROUP FOURAInc. I W/nWD"dIRB INLET _ IE0.90 JUANIf'A-M0001NVILrB IIIY N6 IE-21u.a]-12•ADs.N(AB) _ �WFLIRE A 48 HOURS TAWNa.iA.,nXaroX ass+� YOU DIG 2d) 1 -800-424-5555 ROLL 17 3 255 N ReturnAddress: City C 20010618001507 City Clerk's Office City of Renton CITY OF RENTON BS 9.00 PAGE 001 OF 002 1055 South Grady Way 06/18/2001 12:13 Renton,WA 98055 KING COUNTY, WA 2 BILL OF SALE 0 Property Tax Parcel"1(31,1 �;tProject File#: Street Inte ection: AddZ$72N tTReference Number(s)of Documents assigned or released:Additional re erence num Grantor(s): Grantee(s): 1. A4.-; F, s4ol yS , r—,c , a tJA. Co,rP, l. City of Renton,a Municipal Corporation 2. �n The Grantor,as named above,for,and in consideration of mutual benefits,hereby grants,bargains,sells and delivers to n the Grantee,as named above,the following described personal property: w WATER SYSTEM: Length Size Type $3 If L.F.of $'' D,�.P. Water Main L.F.of Water Main `O L.F.of o Water Main 3 each of 8" Gate Valves / each of /Z " Gate Valves o z— each of Fire Hydrant Assemblies N SANITARY SEWER SYSTEM: Length Size Type /90 L.F.of 8 P✓C. Sewer Main 7 Z Z L.F.of $ " G 9'00 Sewer Main L.F.of Sewer Main 3 each of 419 Diameter Manholes / each of S5( Diameter Manholes / each of 60 Diameter Manholes STORM DRAINAGE SYSTEM: Length Size Type SZ3 L.F.of /2 GPt P Storm Line L.F.of Storm Line L.F.of Storm Line each of Storm Inlet/Outlet 17— each of Pt:/ Storm Catch Basin each of 7 ypC st Manhole STREET IMPROVEMENTS: (Including Curb,Gutter,Sidewalk,Asphalt Pavement) Curb,Gutter,Sidewalk 247 L.F. Asphalt Pavement: SY or Z to 7 L.F.of Width STREET LIGHTING: #of Poles r4 A , By this conveyance,Grantor will warrant and defend the sale hereby made unto the Grantee against all and every person or persons,whomsoever,lawfully claiming or to claim the same. This conveyance shall bind the heirs,executors, administrators and assigns forever. H:\FILE.SYS\FRM\84HNDOU'ABILLSALE.DOC\MAB Page 1 r- Form 84 0001/bh IN WITNESS WHEREOF,I have hereunto set my hand and seal the day and year as written below. C ' INDMDUAL FORM OFACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument Notary Public in and for the State of Washington Notary(Print) My appointment expires: Dated: REPRESENTATIVE FORM OF ACKNOWLEDGMENT n Notary Seal must be within box STATE OF WASHINGTON )SS c� COUNTY OF KING ) 'n I certify that I know or have satisfactory evidence that o signed this instrument,on oath o stated that he/she/they was/were authorized to execute the instrument and acknowledged it as the and of to be the free and voluntary act of such c� party/parties for the uses and purposes mentioned in the instrument. Notary Public in and for the State of Washington `" Notary(Print) My appointment expires: Dated: CORPORATE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )SS COUNTY OF KING ) Zap t On this -974- day of H-4Y DB ,before me personally appeared to me known to �`j`• �gS10/y� ��It/ be ?gc-5/D-W 7 of the corporation that O�P10TA �/ executed the within instrument,and acknowledge the said instrument to be the free v Ay m'; and voluntary act and deed of said corporation,for the uses and purposes therein ~� ca mentioned,and each on oath stated that he/she was authorized to execute said PUBLK O instrument and thAthe seal affixed is the corporate seal of said corporation. in and, or the State of Washington Notary(Print)SNcxn My appointment expires: 69.30•DU Dated: S• 7• o t Page 2 PROJECT CLOSING #4 Final Cost Data FINAL COST DATA AND INVENTORY and Inventory SEKJtX�wATf:,�-�/V£lYt'bf Fi-rrn�i,� SUBJECT: CITY PROJECT NUMBERS: WTR- WWP- Zk7� �jDNE e,%ZZE CFa�kav� Sy r �o •� SWP- Z�7� Name of project TRO- 7if7 TED- Z F 7 TO: City of Renton FROM: r!lA�h St/G'S Plan Review Section ZZ t"/7- B t:5' .04 S& PlanningBuilding/Public Works Bo fiJtL(., &)A 200 Mill Avenue South .4 hs 4 : Af,'KE tf0AWA/V4 Renton,WA 98055 DATE: Per the request of the City of Renton, the following information is furnished concerning final costs for improvements installed for the above referenced project. WATER SYSTEM CONSTRUCTION COSTS: Length Size Type L.F.of WATERMAIN L.F.of B„ .D.1.P• WATERMAIN L.F.of WATERMAIN L.F.of WATERMAIN EACH of Q " D,/.P- GATE VALVES / EACH of GATE VALVES EACH of GATE VALVES o� z EACH of FIRE HYDRANT ASSEMBLIES $ �t y3 (Cost of Fire Hydrants must be listed separately) (Include Engineering and Sales Tax if applicable $ gd 67 TOTAL COST FOR WATER SYSTEM $ S7/ 7Li'.OD SANITARY SEWER SYSTEM: STORM DRAINAGE SYSTEM: Length Size Type Length Size Type /9D L.F.of _ PV Z. SEWER MAIN 5_Z3 L.F.of /Z PEp STORM LINE 7 Z Z L.F.of " G 400- SEWER MAIN L.F.of STORM LINE L.F.of SEWER MAIN L.F.of STORM LINE 3 EA of S/g DIAMETER MANHOLES EA of STORM INLET/OUTLET Z EA of ,q''tf46 " DIAMETER MANHOLES � _ EA of STORM CATCHBASIN (Including Engineering and Sales Tax EA of �_ " '!' ',$ STORM CATCHBASIN if applicable) s /D), q9 7, D a (including Engineering and Sales Tax TOTAL COST FOR SANITARY SEWER SYSTEM S //y, �, Z•. 0 if applicable) s 3 TOTAL COST FOR STORM DRAINAGE SYSTEM $ 3(..,00 00.0`7D STREET IMPROVEMENTS: (Including Curb,Gutter,Sidewalk,Asphalt Pavement end-Sh—tbightmg) tXLd' Zw.4 '~,9 G PcOr rexho N Z ! t' �7✓ fi-v»ak>gE -1�yrwev t.Yh l/h G�/ % Z(v7 C` l/e,�. Cvyb ; o / /90 S F, G4rt ti' c �'dewa•C ?� W.f, k'�p,S ; , k G'0.�7-1_ SIGNALIZATTT/ON: (I ncluding Eng.Design Costs,City Permit Fees,WA St Sales Tax) STREET LIGHTING: (Including Eng.Design Costs,City Permit Fees,WA St Sales Tax) Print signatory name day phone# (SIGNATURE) formsICOSTDAT2.DOC1bh (Signatory must be authorized agent or owner of subject development) SUPPLEMENT TO TIR BY RCA/HUITT-ZOLLARS DATED 1212011999 HYDRAULIC CALCULATIONS FOR THE PLAT OF SHOREWOOD PP 99-187 RENTON, WASHINGTON GROUP FOUR JOB No. 00-8015 GROUP FOUR, Inc. 16030 Juanita-Woodinville Way NE Bothell, WA 98011 FAX(206)362-3819 (206)362-4244 • (425) 775-4581 )� vie q11 0uf LA000604 1?*.V* I stonflo • HYDRAULIC CALCULATIONS FOR THE PLAT OF SHOREWOOD PP 99-187 • RENTON, WASHINGTON B. F%WAS 31244 ` SI�NAl-� _ 7.26-vo rEXP�H�S 1D/26/O O 'RFv 8-7-( -Ot� July 25, 2000 Prepared For: Prepared By: Michael Romano Group Four, Inc. Centurion Development Services 16030 Juanita-Woodinville Way NE 22617 8" Dr. SE Bothell, WA 98011 Bothell, WA 98021 (425) 775-4581 (425) 486-2563 Shorewood Hydraulic Analysis 00-8015 0P======200M 600ft 32ND S . N ST ST. SE 92CDST- E 30TH ST. NE Zgt�gt N 28TH ST. N E 28TH ST. N 2 ST. N 26TH ST. NE 25TH PL. KE NYD LE NE 251H ST. L10 S K N 47H T. NE 24TH T. W N D ST. z Uj g z z 20TH ST. F SITE ` < z 19TH ST.a W < s z GENE OULO BEACH MEM IARK $AL NE 16 F) N 14 ST.VICINITY MAP Figure 1 - Vicinity Map Scale: P= 0.5 mile • Shorewood Hydraulic Analysis 00-8015 PROJECT OVERVIEW PROJECT: Plat of Shorewood Group Four Job No. 00-8015 SITE AREA: The whole site amounts to 4.35 acres of which there are 3 separate drainage basins, South, East and Northeast. The south basin, which was used in the detention sizing calculations and also for the discharge location, amounts to 2.34 acres of area. SITE LOCATION: The street address is 1911 & 1929 NE 24`h Street. Generally speaking the site is t/4 mile east of I-405 and south of the N. 301h Street exit off of I-405 by a %2 mile.(See Figure 1 - Vicinity Map in TIR). EXISTING CONDITIONS: The original site contains two single family residences on four legal tax parcels, with associated lawn, outbuildings and driveways. The majority of the site is wooded with under brush. The existing soils are very pervious thus infiltrate very rapidly. Slopes vary on the site from 2.5 % to 16%. The portion of the site which is used in the detention calculations and also is the discharge location, drains from northeast to southwest. The site drains west onto the adjacent properties. The flow continues west across private property until it reaches an existing channel and then on toward Jones Avenue NE and NE 20th Street. The drainage eventually empties into Lake Washington, which is approximately 0.5 miles to the west of the site. PROPOSAL DESCRIPTION: The whole site is to be developed with only the proposed access road and front 20 feet of about half of the lots being tributary to the detention system (1.15 acres). The individual lots themselves will each have their own independent infiltration system for drainage which is to be constructed later during the building permit stage. SOILS: Indianola, Hydrologic Group A. ZI E (STING SITE SUE6ASIN MAP Y �r Z >I w Y 4 f f �� t' f.�� 5 89-07*20' W 1324.95' - - F 4 ., ,� r'• _`<' ? 1 'b #��.7"- a' h fi - - - - -- - - -�(-J-ON-ES AVE. TO ABERDEEN AVE) � 0 '-�.�� .` ' -y - 4 y <,•tw 1a' ,s- e "' -.~�. -. '•- -E, t - w I N.E. 24TH STREET Z o � -- - - - N 69.07*20 E 213. 2' LEGAL DESCRIPTION � t GEN-:E I I I LEGEND 1 PORTIONS OF TRACT 282 AND 273 OF C.H. / 9J I ^ �� Cp HOUSE N LIGHT PULL BOX HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN h> DIVISION NO. 4 ACCORDING TO PLAT RECORDED IN t GARAGE / I I / try ; I VOLUME 11 OF PLATS AT PAGE 82, IN KING COUNTY, `^ �J I WASHINGTON, DESCRIBED AS FOLLOWS: THE EAST 63 - ` / I CHAIN CE I I _. O LIGHT STANDARD SE ARM _ FEET OF THE NORTH 200 FEET OF TRACT 273. N THAT PORTION OF TRACT 262 COMMENCING AT A i I I N 69'OJ'20' E ® MONUMENT IN CASE POINT 60 FEET EAST OF THE NORTHWEST CORNER N W BASIN HOUSE \ 102.63' c HUB ANO TACK o IRON PIPE OF SAID TRACT 262;THENCE SOUTH 135 FEET f I PARALLEL WITH THE WEST BOUNDARY OF SAID TRACT: . THENCE EAST 90 FEET PARALLEL WITH THE NORTH v / \ \\ \ UNE OF SVO TRACT;THENCE NORTH 135 FEET PK NAIL PARALLEL WITH SAID WEST UNE. THENCE WEST 90 PI I \1 , ` \ I 4 1 FEET TO THEHOUSE ® NATURAL GAS METER POINT OF BEGINNING. I 1 TRACT 262 EXCEPT THE SOUTH 238.72 FEET 1 s THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, o SEP. I �' I \ , \ -1 � POWER POLE WITH DROPLINE DESCRIBED AS FOLLOWS; COMMENCING 60 FEET EAST o TANK ft I ` 1 (A p OF THE NORTHWEST CORNER THEREOF;THENCE I POWER POLE WITH DROPLINE, AND TRANSFORMER SOUTH FOLLOWING THE WEST UNE OF SAID TRACT /OL 135 FEET; THENCE FOLLOWING THE NORTH UNE OF ARAG 1 I o -Q POWER POLE WITH LIGHT SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET TO THE NORTH 5.5' WOOD / ,r - I ( I 1 1 I I rn ® STORM DRAIN CATCH BASIN ' UNE THEREOF;THENCE WEST ALONG THE NORTH LINE tj 89.07'20' E FENCE 189.60'OF STORM GRAM MANHOLE I 90 FEET TO THE BEGINNING LESS THE I / 1 I \ \ I oro NORTH 100 FEET OF THEE EASTERLY 102.3 2.3 FEET MAIL BOX THEREOF: AND TRACT 27 FEET THEREOF. �1 EXCEPT THE NORTH 200 STREET SIGN 1 1 BASIS OF BEARINGS © SANITARY SEWER MANHOLE D® TELEPHONE RISER/PEDIStAL a BEARINGS HEREON ARE BASED ON CITY OF RENTON CAS SURVEY CONTROL NEjWORK MONUMENTS. '� / l� 1 I 1�]I I - \ \ CONIFER TREE M 1 1I� / I /I/ I I I �, f �� l I \ ( � {O� DECIDUOUS TREE m BASIS OF ELEVATION 283 / I ( I CD SHRUB m 253 zl ( / \ ® TELEVISION JUNCTION BOX ELEVATIONS HEREON ARE D ON CITY OF RENTON 1 BENC-PS SURVEHMARK'CONTROL NETWORK MONUMENTS-SETS_ '�"-'� .L I I l / / / I I I \ '` / / 1 I I I I ?$ FIRE HYDRANT m 1 BENCHMARK /334 TOP T BRASS NAIL SET IN +I / / I I n HOSE BIB Z'I CONCRETE MONUMENT AT INTERSECTION OF JONES AVENUE N.E. AND N.E. 24TH STREET, ELEVATION 244.34 NAGVD 1988 US FOOT.• - I I I I ' ' /�� , ' / \�$ I8 WATER METER (C() UTIUTY NOTES HOG WARE \- N 89.13'5 / 252 8 . O , ` I \ - / ' \ �" NI WATER VALVE STORM DRAINAGE CATCH BASIN FENCE OI I 1 I / 304 OZ I �1 �' C NATURAL CAS UNE m u STORM DRAIN LINE EL TA; P001 R300.IM 2 IE 12 CONC W-299.01 I p I I \ I I I I I `0 _ / N I '�• IE 6 COW SW-299.29 I I I 1 I I I 1 w WATER LINE IE 12 CONC E-299.04 I r•l / - N I I 2 1002 295.02 IE 12 CUP E-291.27 l / O 'BURIED POWER AREA 3 1024 289.18 IE 12 PVC NE-285.53 I \ \\ 1 ( 1 1 1 ' `� EAST BASIN IE 12 PVC W-285.48 T TELEPHONE AREA CONTAINED WITHIN DELINEATED BOUNDARY r'Il \ \ I I / ^4 1582 285.70 IE 8 PVC N-283.70 ca EQUALS 4.35 ACRES. 4 IE 8 CMP S-282.97 I \ \ \ I \ ; • OVERHEAD POWER UNE 1 • 0 STORM DRAINAGE MANHOLE SANITARY SEWER. VA- �'� I1 ` \\ \ \ � I I I I 1 \ / / TAG PNT RIM EL INVERT EL I I \ \ \ \ I I ` I , \ i - Gas._yMom. I 1000 302.65 IE 12 PVC N-293.05 II` \ \ \ \ ` , 22t� i u +.. PAVEMENT Q IE 1 PVC W-293.03 '11 ` �\ \ \ \ \ 1 �\I\\ \ \ / / CONCRETE IE 2 CONC NE-296.45 1 2 USE ENCROACHMENT, AREA BEING USED BY ADJACENT IE 12 PVC W-280.55 OWNER TO THE NORTH. O SANITARY SEWER MANHOLE _ -_ TAC PN7 RIM EL INVERT EL 1 1003 294.08 IE 8 PVC 5-285.08 2 1017 301.96 IE 12 PVC W-291.45 3 1025 291.68 IE 12 PVC W-282.55 I I 1 ` \ \ \ _ ' _ SOUTH BASIN ' 294IE 12 PVC =277.77 2-3 w 4 4 1350 284.70 IE 8 PVC N=277,63 \ 1 \ \ 1 \� \ /T �G+C.� IE 8 PVC E-277.63 • #--- 280- FIGURE 3C NOT FOR CONS RU TION APPROVALS JOB NO. 15-0275-01 revbtons RCA/HUNT- PRELIMINARY PLAT D NTv�u 12, 1999 TOPOGRAPHIC SURVEY DRAWING No. Investment Properles, LLC DEEES( D Deems PORTION OF TRACT 262 AND 273 SEC 5, T23N, RSE, WA( PP-3 614 E. Pike ny•- eMU4.*a •ladxop•Irche(206•• -S50 nq.Fmvo(206)3rdal S•rricee Utr[p.ar CIiECKCD SITE ADDRESS 6H E.Rti•51. $ealtl•,Wa 99122 PAau(2LM�124-SS00 Fa+(206)32e-16d0 1917 AND 1929 -,WA 24TH STREET SCALE V-40• 1917, 1929 NORTHEAST 24TH 5TREET SHEET NO. .•�.Auitl-Eol lon.com Rc�rn,WA 9005G tM.• y'--j Ev. O 20 40 150 FEET RENTON, WA 98O% 3 OF 4 s"\\�:_ \�\, .\��. \ 1`--- .�1 ,'/%// (ril' I��'n i���')il��l ) I! (�:'I j'l'// / ' i• �\e1 r / i % l CA ul j !A LL e) ,�� ( �• '/ ryi ( , .. _./ / /;%/ I'rr .[/��'/ / �� •' mil` I - - •/�..�•/ �Y I... fill L -,'� , � � r'�i I IIJI J//yam ,` ' /,}/C. / r\14' •'�// \_'/ % '� �/ '�` ��� �• ._ ��' � 'r�- -_- �r- •I t T fit 77. 1.111 P:F le fit AL CL . � t15 �-`•,r�•' - `oSf- - _ ♦• ,G/, yf' r ,-q,�j � I II j ii_ �,�... ♦, f� '�- y�__� �\�_II'y` «/' i ,' '1'Ta \50 :I - r i� ';^,: �.`,44,I 1r, ; t-1'� /;'��g`-� 16 Hip• • -WC3 I U) ME N wk,kn'-�1 IMCl LU 'r .♦. /._ /^.r �� �/ \___.. \�. r:..• � p � 1/ i/ `ter r > , ` J � 34V mom <% B \� � I �`"__ _ / �i gyp; � ! � / ��,:r•--- \\ / � ~/ ` \ 0 '/. ;/ // �/�"� ...- J.. '--=-;k=.. fir: m Lu LU U. sw • SEC. 5 ,TWP.23 N ,RGE. 5 E W.M. Li uj n a V I I w 1 20' DRIVEWAY CUT W l 0) m ' PER C.O.R. SP PAGE F006. SCALE: 1"=40' g z I z / -i _-_ - CONTOUR INTERVAL 2' 80 d Lv 4 , , EX. 2 AC�WATERMAIN d 435'P E , 1 -- 1J.1 _ I S 89.07'20" w 1324.95' Z ,_ _,� / - -- JONES AVE. TO ABERDEEN AVE •f �, Z O ( ) a ° T 1 3 1 -r r�ATUM:CITY OF RENTON TO o -V ---. - _ BENCH:ELEVATIONS HEREON ARE BASED ON CITY OF RENTON GPS SURVEY CONTROL NETWORK MONUMENTS. N 89'07 20 E BENCHMARK #334 TOP OF BRASS NAIL SET IN aP / 5'(MAX.) CONC. WALK CONCRETE MONUMENT AT INTERSECTION OF JONES / I ASPHALT RAM 1 I / CB A TYPE 1L AVENUE N.E. AND N.E. 24TH STREET, ELEVATION = ATT EX. CURB, STA. 10+99.89, 15.1 GUTTER do SIDEWALK. 244.34 NGVD 1988 US FOOT. 3 6 � T ; THRU CURB INLEfj GA + JcgfE17 i i I P4: 1 BASIS OF BEARING: O /26 � \ B 'T`YPE L BEARINGS HEREON ARE BASED ON CITY OF RENTON 0' 89, 15.19 I CPS SURVEY CONTROL NETWORK MONUMENTS. / ' AiR CURB INLET v INSTALL STEEL PIPE • `-""" r -- ---J L----- 0- HANDRAIL FOR SIDEWALKS z , N 89'07'20' E PER C.O.R. SP PAGE HQ24. SURVEY & TOPOGRAPHY: �, / o - ,� 102.63' COMPLETED BY RCA/HUITT-Z ' RS ' c�T 00 S NOTES: JJ \ \� +- \ " AVAILABLE AT GROUP FOUR, INC. AL, OF THE o 0 m 1. A COORDINATE LISTING, OR EQU �\ a PROPOSED DRAINAGE STRUCTURE f,OCATIONS IS �z � i i I T1 t \ V A ITYPE 0 Q 3ECB A m "~ ;/ ; 24 I 2530'-12"SD STA 14+22.00, 15.19 i ; ; i i a„ r-V--1--y � o\ 2. ALL CATCH BASINS ARE TO BE t > z . w k S=1.00X ' '1 1 i ; ; I \C 2 12 \ T l o l UNLESS OTHERWISE NOTED. �_W 01 § m N ry o s I STA. 1{2+0 . 15�'991_ I1, v y d I 3. ALL GRATES ARE TO BE FLAT NLESS E I I I NI89'07201 1t 1as.Ro' L 4�� 2-gp \ �\ $ OTHERWISE NOTED. ;� -- ---- -- -- - - s - - - 1. ----�- � I ;I E 4. ALL NECESSARY OFFSITE CONS RUCTION I 1 ' STAJ 14+r 0. 15 B �1u x _ r-- --t--�--3 ----T \ a 1 1 22 I 11 a i 1 \ I EASEMENTS & PERMITS SHALL BE STAINED PRIOR r r@= ¢ A i o I 1 GIB 1 \ I : + 1 =S0" 2' XQ TAI 12+44.27,\15124 , TO COMMENCING CONSTRUCTION. a I ; T 5 1&0011 15. l 5. THE DETENTION WATER QUALIT 'FACILITY WILL $ BE MAINTAINED BY THE HOME OW RS II( 6 -A ---r -�----ram 11.-` I - - - \�� ��- ---� r-7----�-, I ASSOCIATION. o 1 / TX 1 +1 .00 151 R t 9 P -- ' ,/ J �' I S=1' tia o� I m 6. EACH LOT TO HAVE INFILTRATI ' SYSTEM 283 /1 / 2a / / ST0. 114+22 15.19 L I d 2 z Py�I I I\ ; 1 / T k ,, II c b INSTALLED, DESIGNED TO COLLECT, AND INFILTRATE 35'-12"SD 1 \ _� 8 7 „ I , $ 4 I. ALL SURFACE WATER. SYSTEM TO E INSTALLED �- 7�r 11 � I; r ---- i\ DURING BUILDING PERMIT STAGE. g Sc) � �' I S®4.58X y X 1 1 , i i� / it + , / y---�--- ,------- I p.00 ; fi . ; S 12j St:15. 15.19 L/ ` �9a �/c_L,&P .�� 2RAs'IN G�I�I,8 U J J&6 -----------' r ----- ---11 \ �� N 89'13S8' E�/ 252 8' 1 0 7-0 b I I t-- -i--, t i -- =----- \ �UR83AMPS '/ I 1 1 4� R= .8 ;' s 119, , ES O STORM DRAINAGE CATCH BASIN ET�ly T7DJJ IiA'UL 7: /.IS-i4-c R • L- ___ - 1 44 R=35.B, TAG�J PNT# RIM EL. INVERT EL. 1 1001 300.72 IE 12" CONC W=299.01 111� i,\----i ----�� I •: � ----- ---- i o IE 6 CONC SW=299.29 j�, `�''�11I� \ \1\\ 18\\ ,T ✓ ._¢t I• i IE 12" CONC E=299.04 20IE12 -- � 2 1002 952 12" (-MP E 291.27 I 11 v ie 1A1&L11 a(AL /ivG/zv/z*4Va a 3 1024 289.18 IE 12" PVC NE 285.53 4 DETENTION 1 1 28t-127SD ! I r IE 12" PVC W=2a5 as �` (ic w , /' w,` '/ T WATER QUALITY 5 1�.7 \j 9 45 I I '+T ___ <-I - F 4 1582 285.70 IE 8' PVC N=283.70 I ,S vS�C/'� +V��•V G �I vr���f-� �� �� VAULT 1 \ - -- r 3 [ t° j IL a" CMP S=282.97 0 S-Z0-SD a ------ 1�E2/Yl 17` S7x}GE. sae ooX --- , III , \ , Q STORM DRAINAGE MANHOLE I�U! L•D/N G y 1,.. ` 13 I u m TAG}J PNT# RIM EL INVERT EL. CB TYPE 2- 1 \ v ," 1+," y. -` ' - 1 1000 302.65 IE 12" PVC N=293 05 E 6" PVC w=293.03 33.00'R (STR) III\ \; \ \ /� -I-- -- _____HE 12" CONC NE=296.45 III \ \ \� \ I P` \ �`�" ; 2 1026 286.33 IE 8" CONC N=281.33 CB ,1 1\ \ / \I I \�i 1 Y `± IE 12" PVC W=280.55 RIM= 268.00 1 1 �� N1 <yS 11 O SANITARY SEWER MANHOLE IE= 265.00 ,11 \ ,h \Py�p\ i h \�25e l TAG/ PNT# RIM EL. INVERT EL. l V \ \16 FZ y Y t _,� _ 14_- 1 1003 294.08 IE 8" PvC S=285.08 1 st ,`�23'^+12"SD ' 2 1017 301.96 IE 12" PVC W=291.45 z 8 50' INFILTRATION \ ��• 3TOR v '1`� 5=622X 3 lozs z91.sa IE 1z" Pvc w=zaz.ss - "S o 8 SPREADER TRENCH 1 L i_ _-�_J _ _ _ =, _---- - -' E 12" PVC E=252 61 4 1350 284.70 IE 8" PVC N=277.77 I I_ IE B" PVC E=277.63 N 9'13' 8° E�-� � 1 \ 252.55 B N \ \ \ 0 E1L1 f \ \ \ STA. 1 +29.90, 2 .7VR I ~w� �Z �q � GROUP FO UR,In c. CALL 48 HOURS 16030 JUANITA-WOODINVILLE WAY NE BOTHE ,\I BEFORE YOU DIG � S (425)775-4581 " (206)362-4•LZ44 S- FAKK(20)362-3819 -g 1-800-424-5555 SURVEYING � ZEMG PLANNMG N.&GEMENT o .ae.ea JOB NO.: 00-8015 • Shorewood Hydraulic Analysis 00-8015 Part A: EXISTING SITE HYDROLOGY I. Existing Conditions Analysis The site contains one single family residence on one legal tax parcel, with associated outbuildings and driveway. The majority of the site is wooded with dense underbrush. Slopes vary on the site from 2.5% to 16%. The main portion of the site drains from northeast to southwest II. Offsite Tributary Existing Conditions Analysis • There is no offsite tributary upstream basin to the site. • • Shorewood Hydraulic Analysis 00-8015 Part C: HYDROLOGIC ANALYSES The City of Renton currently imposes their own standards, which are a combination of both the 1990 King County Surface Water Design Manual (KCSWDM) and the Department of Ecology's Stormwater Management Manual for the Puget Sound Basin, February 1992, as a regulatory guide for the analysis and subsequent design of stormwater drainage systems (i.e. detention facilities, pipe networks, water quality etc.). The interest areas shall be modeled using the Santa Barbara Urban Hydrograph (SBUH)method with"Type IA"rainfall distribution. The computer program WaterWorks Version 3.1 will be used to develop and manipulate hydrographs. The computational steps outlined below will be applied to obtain the existing and developed (detained) basin runoff quantities for up to the 100-yr/24-hr design storm (portions excerpted from 1990 King County Surface Design Manual-Section 3.4): 1. Identify and delineate the overall drainage basin for each discharge point from the development site under existing conditions. • Identify existing land uses. • Identify existing soil types using SCS soil survey. • Identify existing drainage features (i.e. streams, depressions, etc.). 2. Select and delineate pertinent sub-basins based on existing conditions. • Select separate sub-basins for on-site and off-site drainage. • Select separate sub-basins for major drainage features. 3. Determine runoff parameters for each sub-basin under existing conditions. • Identify pervious and impervious areas. • Select CN values based on soil type and land use. • Compute time of concentration for each basin analyzed. 4. Compute existing runoff hydrographs based on basin characteristics and appropriate design storms for each sub-basin. 5. Repeat steps 1-4 for the proposed developed site conditions (i.e. bypass basin, detained basin, etc.). • • Shorewood Hydraulic Analysis 00-8015 Detention Standards The following City of Renton performance requirements were implemented to design the proposed detention system : • The 2-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 2-yr/24-hr design storm • The 10-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 10-yr/24-hr design storm. • The 100-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 100-yr/24-hr design storm. In addition to meeting the above criteria, the standards require that detention pond volumes be increased by 30 % as a correction factor. Water Quality Design water surface area was found by taking the impervious surface subject to vehicular use (26,616 SF) and multiplying by 1.50 %. This equates to 399 SF of surface area required and proposed is 1520 SF of surface area inside the vault. (40' x 38') Water quality design volume was accounted for as dead storage by calculating the developed 2 year storm volume for the basin, dividing by 3 and then multiplying that volume by 150 %. This equates to 2209 CIF (40' x 38' x 1.5' =2280 CF, proposed) • • • 8/21/00 GROUP FOUR, Inc . page 4 SHOREWOOD DETENTION CALCULATIONS REV 1 LEVEL POOL POOL TABLE SUMMARY MATCH INFLOW -STO- -DIS- <-PEAK-> STORAGE 106 Ale <--------DESCRIPTION---------> (cfs) (Cfs) --id- --id- <-STAGE> id VOL (cf) O UT 2 YEAR .. ............ ......... 0.01 0.34 V1 01 281.46 11 5401.62 cf 0.01 10 YEAR ...................... 0.04 0.52 V1 01 283.37 12 7618.38 cf 40,oy 100 YEAR ..................... 0.08 0.73 V1 01 284.68 13 9145.82 cf 0% • 9i x A 3 0 130� c�, _ //,8go c� • • 8/21/00 GROUP FOUR, Inc . page 3 SHOREWOOD DETENTION CALCULATIONS REV 1 ------------ STAGE DISCHARGE TABLE MULTIPLE ORIFICE ID No. 01 Description: SHOREWOOD CONTROL STR Outlet Elev: 276 . 80 Elev: 274 . 80 ft Orifice Diameter: 0 . 3130 in. Elev: 281. 50 ft Orifice 2 Diameter: 0 . 8750 in. Elev: 283 .40 ft Orifice 3 Diameter: 1 . 1250 in. . STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> (ft) ---cfs-- ------- (ft) ---cfs-- ------- (ft) ---cfs-- ------- (ft) ---cfs-- ------- 276.80 0.0000 278.90 0.0039 281.00 0.0054 283.10 0.0330 276.90 0.0008 279.00 0.0039 281.10 0.0055 283.20 0.0338 277.00 0.0012 279.10 0.0040 281.20 0.0056 283.30 0.0347 277.10 0.0015 279.20 0.0041 281.30 0.0056 283.40 0.0355 277.20 0.0017 279.30 0.0042 281.40 0.0057 283.50 0.0471 277.30 0.0019 279.40 0.0043 281.50 0.0058 283.60 0.0524 277.40 0.0021 279.50 0.0044 281.60 0.0124 283.70 0.0566 277.50 0.0022 279.60 0.0044 281.70 0.0152 283.80 0.0603 277.60 0.0024 279.70 0.0045 281.80 0.0173 283.90 0.0636 277.70 0.0025 279.80 0.0046 281.90 0.0191 284.00 0.0666 277.80 0.0027 279.90 0.0047 282.00 0.0208 284.10 0.0694 277.90 0.0028 280.00 0.0048 282.10 0.0222 284.20 0.0721 278.00 0.0029 280.10 0.0048 282.20 0.0236 284.30 0.0746 278.10 0.0030 280.20 0.0049 282.30 0.0248 284.40 0.0771 278.20 0.0031 280.30 0.0050 282.40 0.0260 284.50 0.0794 278.30 0.0033 280.40 0.0050 282.50 0.0271 284.60 0.0816 278.40 0.0034 280.50 0.0051 282.60 0.0282 284.70 0.0838 278.50 0.0035 280.60 0.0052 282.70 0.0292 284.80 0.0859 278.60 0.0036 280.70 0.0053 282.80 0.0302 278.70 0.0037 280.80 0.0053 282.90 0.0311 278.80 0.0038 280.90 0.0054 283.00 0.0321 • • 8/21/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 STAGE STORAGE TABLE RECTANGULAR VAULT ID No. Vl Description: SHOREWOOD VAULT Length: 29 . 00 ft . Width: 40 . 00 ft . STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> (ft) ---cf--- --AC-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --AC-Ft- (ft) ---cf--- --Ac-Ft- 276.80 0.0000 0.0000 278.80 2320 0.0533 280.80 4640 0.1065 282.80 6960 0.1598 • 276.90 116.00 0.0027 278.90 2436 0.0559 280.90 4756 0.1092 282.90 7076 0.1624 277.00 232.00 0.0053 279.00 2552 0.0586 281.00 4872 0.1118 283.00 7192 0.1651 277.10 348.00 0.0080 279.10 2668 0.0612 281.10 4988 0.1145 283.10 7308 0.1678 277.20 464.00 0.0107 279.20 2784 0.0639 281.20 5104 0.1172 283.20 7424 0.1704 277.30 580.00 0.0133 279.30 2900 0.0666 281.30 5220 0.1198 283.30 7540 0.1731 277.40 696.00 0.0160 279.40 3016 0.0692 281.40 5336 0.1225 283.40 7656 0.1758 277.50 812.00 0.0186 279.50 3132 0.0719 281.50 5452 0.1252 283.50 7772 0.1784 277.60 928.00 0.0213 279.60 3248 0.0746 281.60 5568 0.1278 283.60 7888 0.1811 277.70 1044 0.0240 279.70 3364 0.0772 281.70 5684 0.1305 283.70 8004 0.1837 277.80 1160 0.0266 279.80 3480 0.0799 281.80 5800 0.1331 283.80 8120 0.1864 277.90 1276 0.0293 279.90 3596 0.0826 281.90 5916 0.1358 283.90 8236 0.1891 278.00 1392 0.0320 280.00 3712 0.0852 282.00 6032 0.1385 284.00 8352 0.1917 278.10 1508 0.0346 280.10 3828 0.0879 282.10 6148 0.1411 284.10 8468 0.1944 278.20 1624 0.0373 280.20 3944 0.0905 282.20 6264 0.1438 284.20 8584 0.1971 278.30 1740 0.0399 280.30 4060 0.0932 282.30 6380 0.1465 284.30 8700 0.1997 278.40 1856 0.0426 280.40 4176 0.0959 282.40 6496 0.1491 284.40 8816 0.2024 278.50 1972 0.0453 280.50 4292 0.0985 282.50 6612 0.1518 284.50 8932 0.2051 278.60 2088 0.0479 280.60 4408 0.1012 282.60 6728 0.1545 284.60 9048 0.2077 278.70 2204 0.0506 280.70 4524 0.1039 282.70 6844 0.1571 284.68 9141 0.2098 • /N c"A:SE VA-0 L7" a y Tc'r1..o1oc5SE 1� V.�wL`r ?S�/kFnlSla�S 38x �o � • 8/21/00 GROUP FOUR, Inc . page 2 SHOREWOOD DETENTION CALCULATIONS REV 1 - ----------- STAGE STORAGE TABLE RECTANGULAR VAULT ID No. V1+30 Description: SHOREWOOD VAULT W 300-. C. FACTOR Length: 38 . 00 ft . Width: 40 . 00 ft. STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --AC-Ft- (ft) ---cf--- --Ac-Ft- 276.80 0.0000 0.0000 278.80 3040 0.0698 280.80 6080 0.1396 282.80 9120 0.2094 276.90 152.00 0.0035 278.90 3192 0.0733 280.90 6232 0.1431 282.90 9272 0.2129 277.00 304.00 0.0070 279.00 3344 0.0768 281.00 6384 0.1466 283.00 9424 0.2163 277.10 456.00 0.0105 279.10 3496 0.0803 281.10 6536 0.1500 283.10 9576 0.2198 277.20 608.00 0.0140 279.20 3648 0.0837 281.20 6688 0.1535 283.20 9728 0.2233 277.30 760.00 0.0174 279.30 3800 0.0872 281.30 6840 0.1570 283.30 9880 0.2268 277.40 912.00 0.0209 279.40 3952 0.0907 281.40 6992 0.1605 283.40 10032 0.2303 277.50 1064 0.0244 279.50 4104 0.0942 281.50 7144 0.1640 283.50 10184 0.2338 277.60 1216 0.0279 279.60 4256 0.0977 281.60 7296 0.1675 283.60 10336 0.2373 277.70 1368 0.0314 279.70 4408 0.1012 281.70 7448 0.1710 283.70 10488 0.2408 277.80 1520 0.0349 279.80 4560 0.1047 281.80 7600 0.1745 283.80 10640 0.2443 277.90 1672 0.0384 279.90 4712 0.1082 281.90 7752 0.1780 283.90 10792 0.2478 278.00 1824 0.0419 280.00 4864 0.1117 282.00 7904 0.1815 284.00 10944 0.2512 278.10 1976 0.0454 280.10 5016 0.1152 282.10 8056 0.1849 284.10 11096 0.2547 278.20 2128 0.0489 280.20 5168 0.1186 282.20 18208 0.1884 284.20 11248 0.2582 278.30 2280 0.0523 280.30 5320 0.1221 282.30 8360 0.1919 284.30 11400 0.2617 278.40 2432 0.0558 280.40 5472 0.1256 282.40 8512 0.1954 284.40 11552 0.2652 278.50 2584 0.0593 280.50 5624 0.1291 282.50 8664 0.1989 284.50 11704 0.2687 278.60 2736 0.0628 280.60 5776 0.1326 282.60 8816 0.2024 284.60 11856 0.2722 278.70 2888 0.0663 280.70 5928 0.1361 282.70 8968 0.2059 284.68 11978 0.2750 8/21/00 GROUP FOUR, Inc. page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 BASIN SUMMARY BASIN ID: 100X NAME: SOUTH BASIN 100YR EX SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . . 98 . 00 • PEAK RATE: 0 . 08 cfs VOL: 0 . 09 Ac-ft TIME: 960 min BASIN ID: 1OX NAME: SOUTH BASIN 10YR EX SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 2 . 87 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 04 cfs VOL: 0 . 03 Ac-ft TIME: 1320 min BASIN ID: 2X NAME: SOUTH BASIN 2 YEAR EXISTING SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs • RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 1 . 97 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 1430 min 7/20/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS BASIN SUMMARY BASIN ID: 100D NAME: ROAD IMPERVIOUS AREA+20 ' FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 73 cfs VOL: 0 . 29 Ac-ft TIME: 480 min BASIN ID: 10D NAME: ROAD IMPERVIOUS+201FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 2 . 87 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 52 cfs VOL: 0 . 21 Ac-ft TIME: 480 min BASIN ID: 2D NAME: ROAD IMPERVIOUS+201FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA i PRECIPITATION. . . . : 1 . 97 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 34 cfs VOL: 0 . 13 Ac-ft TIME: 480 min • 8/21/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 BASIN SUMMARY BASIN ID: 6MNTH NAME: WATER QUALITY VOLUME SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 0 . 66 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 09 cfs VOL: 0 . 03 Ac-ft TIME: 480 min • (Rcq'� Z),ES/(&N WA�2 S uR F-ACP- AREA /.,w pEAv #ou S 4"A S-cadi6c-r 73 VC#/C.0 c.A- USE = Z6� WA-CEz S u2FA Ge r4'/2eA kc 0v/1ZE b = /.S 0*/. >1 Zc c 14 = 3 q9 S F (7Z" c� V,IATC—o- Sup-vACCC AR-CA P26/0riSED - yox 3 8 = $"z o S (Pkw:c�e e1� • • • 7/24/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REACH SUMMARY Hydraulic Gradeline for Reach H1 <-FROM-> <--TO--> <FLOW> floss Ent_HGL EntLoss ExtLoss OutLet Inlet AppHead BndHead JunHead HeadWtr -cb/mh- -------- -------- cfs -loss- -Elev-- --loss- --loss- --Elev- --Elev- --loss- --loss- --loss- --Elev- --Rim-- OUTLET 284.72 CB8 OUTLET 0.65 0.01 284.73 0.01 0.01 284.74 287.30 0.01 0.01 0.00 287.30 290.54 CB7 CB8 0.60 16.90 tw & do <dc: Inlet Ctrl Assumed 28&7.71 0.01 0.01 0.00 287.72 290.54 CB6 CB7 0.55 5.50 tw & do <dc: Inlet Ctrl Assumed 291.19 0.01 0.00 0.00 291.18 294.33 CB5 CB6 0.49 2.22 tw & do <dc: Inlet Ctrl Assumed 292.68 0.01 0.01 0.00 292.68 295.54 CB4 CB5 0.48 2.89 tw & do <dc: Inlet Ctrl Assumed 293.69 0.00 0.00 0.00 293.68 296.84 CB3 CB4 0.32 5.02 tw & do <dc: Inlet Ctrl Assumed 296.58 0.00 0.00 0.00 296.58 300.63 • CB2A CB3 0.31 3.63 tw & do <dc: Inlet Ctrl Assumed 297.04 0.00 0.00 0.00 297.04 301.63 CB2 CB2A 0.29 2.77 tw & do <dc: Inlet Ctrl Assumed 297.48 0.00 0.00 0.00 297.48 302.37 CB1 CB2 0.28 8.50 298.16 0.00 0.00 298.16 298.05 0.00 0.00 0.00 298.16 301.24 7W/S /S FwA. /m-yL. 4 S'fWA4 eLC I . • • 7/24/00 GROUP FOUR, Inc . page 1 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: Al NAME: AREA FOR CB 1 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 24 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 07 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 17 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 14 cfs VOL: 0 . 06 Ac-ft TIME: 480 min BASIN ID: A2 NAME: AREA FOR CB2 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 01 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 01 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 480 min BASIN ID: A2A NAME: AREA FOR CB2A SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min s 7/24/00 GROUP FOUR, Inc . page 2 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A3 NAME: AREA FOR CB3 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS: 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min BASIN ID: A4 NAME: AREA FOR CB4 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 26 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 08 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 18 Acres CN. . . . : 98 . 00 PEAK RATE: O . 1S cfs VOL: 0 . 06 Ac-ft TIME: 480 min BASIN ID: AS NAME: AREA FOR CBS SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min 7/24/00 GROUP FOUR, Inc. page 3 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A6 NAME: AREA FOR CB6 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 09 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 02 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 07 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 06 cfs VOL: 0 . 02 Ac-ft TIME: 480 min BASIN ID: A7 NAME: AREA FOR CB7 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 12 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 06 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 06 cfs VOL: 0 . 02 Ac-ft TIME: 480 min BASIN ID: A8 NAME: AREA FOR CB8 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 06 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min r 7/24/00 GROUP FOUR, Inc . page 4 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A9 NAME: AREA FOR CB9 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 06 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . : 98 . 00 • PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min i • 7/24/00 GROUP FOUR, Inc . page 5 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS --------------------------------------------------------------------- --------------------------------------------------------------------- REACH SUMMARY Network Reach L1 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q o PIPE Ndepth °%Depth Vact Vfull C Area ID (Ac) (ft) (ft) ft/ft ------ (cfs) ------ (ft) ------ (fps) (fps) P1 0.48 1.00 110.00 0.0052 0.0120 0.28 9.43 0.22 21.52 2.28 3.92 Al P2 0.49 1.00 45.00 0.0100 0.0120 0.29 6.95 0.19 18.50 2.89 5.44 A2 P2A 0.51 1.00 46.00 0.0100 0.0120 0.31 7.36 0.19 19.03 2.94 5.44 A2A P3 0.53 1.00 142.00 0.0206 0.0120 0.32 5.42 0.16 16.38 3.86 7.80 A3 P4 0.79 1.00 35.00 0.0286 0.0120 0.48 6.79 0.18 18.29 4.86 9.20 A4 • P5 0.81 1.00 33.00 0.0458 0.0120 0.49 5.53 0.17 16.5S 5.79 11.64 A5 P6 0.90 1.00 124.00 0.0281 0.0120 0.55 7.86 0.20 19.66 5.03 9.13 A6 P7 1.01 1.00 34.00 0.0100 0.0120 0.60 14.53 0.27 26.73 3.59 5.44 A7 P8 1.07 1.00 28.00 0.1679 0.0120 0.65 3.82 0.14 13.83 9.92 22.29 A8 PIPE REACH ID No. P1 From: CB1 To: CB2 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 110 . 00 ft s : 0 . 0052 Up invert 297 . 94 ft down invert : 297 . 37 Collection Area: 0 . 48 Ac . Design Flow 0 . 28 cfs Dsgn Depth: 0 . 22 ft Pipe Capacity 3 . 00 cfs Design Vel 2 . 28 fps Travel Time : 0 . 80 min Pipe Full Vel 3 . 92 fps PIPE REACH ID No. P2 From: CB2 To: CB2A Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 45 . 00 ft s : 0 . 0100 Up invert 297 . 37 ft down invert : 296 . 92 Collection Area: 0 .49 Ac. Design Flow 0 . 29 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 4 . 16 cfs Design Vel 2 . 89 fps Travel Time : 0 . 26 min Pipe Full Vel 5 . 44 fps 7/24/00 GROUP FOUR, Inc . page 6 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS REACH SUMMARY PIPE REACH ID No. P2A From: CB2A To: CB3 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 46 . 00 ft s : 0 . 0100 Up invert 296 . 92 ft down invert : 296 . 46 Collection Area: 0 . 51 Ac . Design Flow 0 . 31 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 4 . 16 cfs Design Vel 2 . 94 fps Travel Time : 0 . 26 min Pipe Full Vel 5 . 44 fps • PIPE REACH ID No. P3 From: CB3 To: CB4 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 142 . 00 ft s : 0 . 0206 Up invert 296 . 46 ft down invert : 293 . 54 Collection Area: 0 . 53 Ac . Design Flow 0 . 32 cfs Dsgn Depth: 0 . 16 ft Pipe Capacity 5 . 97 cfs Design Vel 3 . 86 fps Travel Time : 0 . 61 min Pipe Full Vel 7 . 80 fps PIPE REACH ID No. P4 From: CB4 To: CB5 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 35 . 00 ft s : 0 . 0286 Up invert 293 . 54 ft down invert : 292 . 54 Collection Area: 0 . 79 Ac . Design Flow 0 . 48 cfs Dsgn Depth: 0 . 18 ft Pipe Capacity 7 . 04 cfs Design Vel 4 . 86 fps Travel Time: 0 . 12 min Pipe Full Vel 9 . 20 fps PIPE REACH ID No. P5 From: CB5 To: CB6 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 33 . 00 ft s : 0 . 0458 Up invert 292 . 54 ft down invert : 291 . 03 Collection Area: 0 . 81 Ac . Design Flow 0 . 49 cfs Dsgn Depth: 0 . 17 ft Pipe Capacity 8 . 91 cfs Design Vel 5 . 79 fps Travel Time : 0 . 10 min Pipe Full Vel 11. 64 fps 7/24/00 GROUP FOUR, Inc . page 7 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS REACH SUMMARY PIPE REACH ID No. P6 From: CB6 To: CB7 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 124 . 00 ft s : 0 . 0281 Up invert 291 . 03 ft down invert : 287 . 54 Collection Area: 0 . 90 Ac. Design Flow 0 . 55 cfs Dsgn Depth: 0 . 20 ft Pipe Capacity 6 . 98 cfs Design Vel 5 . 03 fps Travel Time : 0 . 41 min Pipe Full Vel 9 . 13 fps • PIPE REACH ID No. P7 From: CB7 To: CB8 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 34 . 00 ft s : 0 . 0100 Up invert 287 . 54 ft down invert : 287 . 20 Collection Area: 1 . 01 Ac . Design Flow 0 . 60 cfs Dsgn Depth: 0 . 27 ft Pipe Capacity 4 . 16 cfs Design Vel 3 . 59 fps Travel Time : 0 . 16 min Pipe Full Vel 5 . 44 fps PIPE REACH ID No. P8 From: CB8 To: OUTLET Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 28 . 00 ft s : 0 . 1679 Up invert 287 . 20 ft down invert : 282 . 50 Collection Area: 1 . 07 Ac . Design Flow 0 . 65 cfs Dsgn Depth: 0 . 14 ft Pipe Capacity 17 . 06 cfs Design Vel 9 . 92 fps Travel Time: 0 . 05 min Pipe Full Vel 22 . 29 fps 7/24/00 GROUP FOUR, Inc . page 8 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB1 Location North 1000 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 301 . 2400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 296 . 4400 Cont Area: Al Hgrade El : 298 . 1582 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 001 Exit : 0 . 002 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 . 940 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB2 Location North 890 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 302 . 3700 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 8700 Cont Area: A2 Hgrade El : 297 . 4816 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 . 370 12 . 00 0 . 012 Lower P2 297 . 370 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB2A Location North 845 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 301 . 6300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 4200 Cont Area: A2A Hgrade El : 297 . 0392 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 003 Reach <Invert> <Diam> < n > <End> P2 296 . 920 12 . 00 0 . 012 Lower P2A 296 . 920 12 . 00 0 . 012 Upper 7/24/00 GROUP FOUR, Inc . page 9 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB3 Location North 845 . 0000 Str Type East 954 . 0000 Str Cat Catch Basin Rim Elev 300 . 6300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 294 . 9600 Cont Area: A3 Hgrade El : 296 . 5754 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P3 296 . 460 12 . 00 0 . 012 Upper P2A 296 . 460 12 . 00 0 . 012 Lower PROPOSED STRUCTURE REACH ID No. CB4 Location North 845 . 0000 Str Type East 812 . 0000 Str Cat Catch Basin Rim Elev 296 . 8400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 292 . 0400 Cont Area: A4 Hgrade El : 293 . 6836 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 003 Junct : 0 . 001 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P3 293 . 540 12 . 00 0 . 012 Lower P4 293 . 540 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB5 Location North 845 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 295 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 291 . 0400 Cont Area: A5 Hgrade El : 292 . 6812 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 006 Junct : 0 . 000 Bend: 0 . 008 Reach <Invert> <Diam> < n > <End> P4 292 . 540 12 . 00 0 . 012 Lower P5 292 . 540 12 . 00 0 . 012 Upper 7/24/00 GROUP FOUR, Inc . page 10 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB6 Location North 812 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 294 . 3300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 289 . 5300 Cont Area: A6 Hgrade El : 291 . 1808 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 006 Junct : 0 . 001 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P5 291 . 030 12 . 00 0 . 012 Lower P6 291 . 030 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB7 Location North 688 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 290 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom E1 : 286 . 0400 Cont Area: A7 Hgrade El : 287 . 7158 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 008 Junct : 0 . 001 Bend: 0 . 010 Reach <Invert> <Diam> < n > <End> P6 287 . 540 12 . 00 0 . 012 Lower P7 287 . 540 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB8 Location North 688 . 0000 Str Type East 743 . 0000 Str Cat Catch Basin Rim Elev 290 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 285 . 7000 Cont Area: A8 Hgrade El : 287 . 3029 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 005 Exit : 0 . 011 App Vel : 0 . 009 Junct : 0 . 001 Bend: 0 . 012 Reach <Invert> <Diam> < n > <End> P7 287 . 200 12 . 00 0 . 012 Lower P8 287 . 200 12 . 00 0 . 012 Upper A 7/24/00 GROUP FOUR, Inc . page 11 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. OUTLET Location North 660 . 0000 Str Type East 743 . 0000 Str Cat Dummy Structure Rim Elev 0 . 0000 Str Diam 0 . 00 in Bottom El : 282 . 5000 Cont Area: Hgrade El : 284 . 7200 ft Bend. . . . . : No special shape Ent type. : Str Diam : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P8 282 . 500 12 . 00 0 . 012 Lower SUPPLEMENT TO TIR BY RCA/HUITT-ZOLLARS DATED 1212011999 HYDRAULIC CALCULATIONS FOR THE PLAT * OF SHOREWOOD PP 99-187 RENTON, WASHINGTON • GROUP FOUR JOB No. 00-8015 GROUP FOUR, Inc. 16030 Juanita-Woodinville Way NE Bothell, WA 98011 FAX(206)362-3819 (206)362-4244 • (425) 775-4581 LA M-Q5by @w4L ( 9/22/0 • HYDRAULIC CALCULATIONS FOR THE PLAT OF SHOREWOOD PP 99-187 • RENTON, WASHINGTON B. 31244 ,SdaNAL 7�2(o-C7O Explarms 110/26/O O 'RFV 8-7-t -oo • July 25, 2000 Prepared For: Prepared By: Michael Romano Group Four, Inc. Centurion Development Services 16030 Juanita-Woodinville Way NE 22617 8`' Dr. SE Bothell, WA 98011 Bothell, WA 98021 (425) 775-4581 (425) 486-2563 • • Shorewood Hydraulic Analysis 00-8015 QEEEEEEP2oomBOOft• 32ND S . N ST ST. SE 92(DST. E 30TH ST. NE 2g'M St N 28TH ST.1 N E 28TH ST. N E 2 ST. N 26TH ST. NE 25TH PL. KE NYD LE NE 251H ST. UO S K N 4TH T. NE 24TH T. w N DST. z g Z W z 20TH ST. �y SITE Z 19TH ST. b < W Uj GENE OULO MEMO IAL NE 16 BEACH K N 14 ST. • VICINITY MAP - Figure 1 - Vicinity Map Scale: 1 '= 0.5 mile • • Shorewood Hydraulic Analysis 00-8015 PROJECT OVERVIEW PROJECT: Plat of Shorewood Group Four Job No. 00-8015 SITE AREA: The whole site amounts to 4.35 acres of which there are 3 separate drainage basins, South, East and Northeast. The south basin, which was used in the detention sizing calculations and also for the discharge location, amounts to 2.34 acres of area. SITE LOCATION: The street address is 1911 & 1929 NE 24th Street. • Generally speaking the site is t/4 mile east of I-405 and south of the N. 301h Street exit off of I-405 by a '/z mile.(See Figure 1 -Vicinity Map in TIR). EXISTING CONDITIONS: The original site contains two single family residences on four legal tax parcels, with associated lawn, outbuildings and driveways. The majority of the site is wooded with under brush. The existing soils are very pervious thus infiltrate very rapidly. Slopes vary on the site from 2.5 % to 16%. The portion of the site which is used in the detention calculations and also is the discharge location, drains from northeast to southwest. The site drains west onto the adjacent properties. The flow continues west across private property until it reaches an existing channel and then on toward Jones Avenue NE and NE 20th Street. The drainage eventually empties into Lake Washington, which is approximately 0.5 miles to the west of the site. • PROPOSAL DESCRIPTION: The whole site is to be developed with only the proposed access road and front 20 feet of about half of the lots being tributary to the detention system (1.15 acres). The individual lots themselves will each have their own independent infiltration system for drainage which is to be constructed later during the building permit stage. SOILS: Indianola, Hydrologic Group A. 0 ZI E (STING SITE SU ASIN MA w > < T07'20' W 1324.95' LLI (A ct Ct -�l AVE) L AVE. TO ABER61 (0 - -- - - N.E. 24TH SfREET of LEGAL DESCRIPTION 5'JENCE_I -1 LEGEND PORTIONS OF TRACT 262 AND 273 OF C.H. �k / I \1 A HOUSE LIGHT PULL BOX HILLMAN'S LAKE WAS14INGTON GARDEN OF EDEN G GE \ b DIVISION NO, 4 ACCORDING TO PLAT RECORDED IN Ll z LIGHT STANDARD W/ARM VOLUME II OF PLATS AT PAGE 82. IN KING COUNTY, CHAIN U IT WASHINGTON DESCRIBED AS FOLLOWS: THE EAST 63 FENCE e MONUMENT IN CASE FEET OF THE NORTH 200 FEET OF TRACT 273. N 89'07'20 E THAT PORTION Of TRACT 262 COMMENCING AT A HOUSE 102.;3' ■ 14US AND TACK POINT 60 FEET EAST OF THE NORTHWEST CORNER NW BASIN -T OF 0 - 1�1 SAX) TRACT 262; THENCE SOUTH 135 FEET IRON PIPE PARALLEL WITH THE WEST BOUNDARY OF SAID TRACT: E p \ I THENCE EAST 90 FEET PARALLEL WITH THE NO" 11 PK NAIL UNE OF SAID TRACT; THENCE NORTH 135 FEET ,PARALLEL WITH SAID WEST LINE. THENCE WEST go HOUSE a NATURAL GAS METER FEET TO THE POINT OF BEGINNING. TRACT 262 EXCEPT THE SOUTH 238.72 FEET 0 THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, P SEP. -9- POWER POLE WITH DROPLINE DESCRIBED AS FOLLOWS: COMMENCING 60 FEET EAST o TANK l OF THE NORTHWEST CORNER THEREOF, THENCE C., -0- POWER POLE WITH OROPUNE, AND TRANSFORMER SOUTH FOLLOWING THE WEST UNE OF SAID TRACT L4 135 FEET, THENCE FOLLOWING THE WORTH UNE OF MARAG/) POWER POLE WITH LIGHT SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET TO THE NORTH 5.5* WOOD a STORM DRAIN CATCH BASIN LINE THEREOF: THENCE WEST ALONG THE NORTH LINE R 89 FENCE 189.6 • (9) STORM DRAIN MANHOLE 90 FEET TO THE POINT OF BEGINNING AND LESS THE I MAIL BOX NORTH 100 FEET OF THE EASTERLY 102.3 FEET oro THEREOF: AND TRACT 27 FEET THEREOF. EXCEPT THE NORTH 200 STREET SIGN �_ 1 I r ' I ` I \ \ I I 111 1 , t l \ \ \ I \\ \ I (D SANITARY SEWER MANHOLE BASIS OF BEARINGS > BEARINGS HEREON ARE BASED ON CITY OF RENTON w TELEPHONE RiSER/PEDISTAL CONIFER TREE CPS SURVEY CONTROL NE4`WORK MONUMENTS. II I m 01 0 DECIDUOUS TREE BASIS OF ELEVATION CD SHRUB z 283 '01 ELEVATIONS HEREON ARE �D ON CITY OF RENTON JUNCTION BOX TELEVISION , > CPS SURVEY CONTROL NETWORK MONUMENTS. 253 BENCHMARK 03-34 TOP OF BRASS NAIL SET IN FIRE HYDRANT or, M CONCRETE MONUMENT AT INTERSECTION OF JONES IN HOSE BIB z AVENUE IN.E. E. AND N.E. 24TH STREET, ELEVATION 244.34 NAGVD 1988 US FOOT.0 c: If 'A 252.68' EB WATER METER M - ' * U11UTY NOTE HFEOGNCE WRE -j Da WATER VALVE cl) N 89*1358 TURAL CAS LINE 0 STORM DRAINAGE CATCH BASIN W4 PN70 RIM EL INVERT EL ST NA ORM DRAIN LINE rn TAG 1 1001 36-07-2 IE 12 CGNC W-299.01 IE-6CONC SW-299.29 -W- WATER LINE IE 12-CONC E-29T.04 U) 2 1002 295.02 ll� 12-CMP E-291.27 III0 ST BASIN 15P BURIED POWEP 3 1024 289.18 IE 12- PVC NE-285.53 1� EA AREA N) -T- TELEPHONE IE 12- PVC W-285.48 4 1582 285.75 IE 8' PVC N-2113.70 AREA CONTAINED WITHIN DELINEATED 13OUNDARY I IE a-CMP S-282.97 OVERHEAD POWER LINE EQUALS 4.35 ACRES. Y11, 10 'SANITARY SEWEP LINE STORM DRAINAGE MANHOLE PAVEMENT TAG PNT RIM EL INVERT EL 1 1000 302.65- IE 12 PVC N-293.05 CONCRETE IE 6-PVC W-293.03 co IE 12 CONC NE-296.45 Al 0 2 1026 286.33 IE 8'GOING M-281.33 USE ENCROACHMENT, AREA BEING USED BY ADJACENT - IE 12 PVC W-280.55 OWNER TO THE NORTH. 0 SANITARY SEWER MANHOLE TAG# PNTj RIM EL INVERT EL 1 1003 294.08 IE 8' PVC S-285.08 2 1017 301.96 IC 12' PVC W-291.45 3 1025 --291.68 IE12-PVC W-282.55 ','e SOUTH BASIN IE 12 PVC E-282.61 -4 f350 284.70 IE 8* PVC N=277.77 224 IE 8- PVC E-277.63 2-3 YAC- "q'll3'5R'- �5 .55' 2ae- FIGURE 3C Af- NOT FOR CONSM TIQN APPROVALS JO5 NO. 15-0275-01 PRELIMINARY PLAT DATE November 12,IqRq TOPOGRAPHIC SURVEY DRAWING NO. RCAMUITT Investment Properles, LLC DE5IGNED CT,DOC PORTION OF TRACT 262 AND 273 PP-3 �FTCD �VOB SEC 5, T23N, ME W.M. Lad Pi-41-0.0 Erjk-i•q- L-d-p-krtNt--b_.S.,-),iN•Emka ,d.l S-k- CAr rv- CHECKED 1114 C.Pik.SI. . S.,dtf.,W.98,22 - Pt-(206}324-5500 F..(206)328-IWO 1`117 AND 141241 NORTHEAST 24TH 5TMT WE ADM55 "w mitt-2011�- Renton,WA 9605G D.0 5cALr V-40' 1917, 1929 NORTHEAST 24TH STREET SHEET NO. on RENTON. WA 9605G 3 or 4 4,4 E, - 0 20 40 50 FEET I U, — � �>,i :i/ ,; L� l )�, $i�,.'� .,, ;;"'lid h(. ,i/ ul cc ���titi/� I ;,;'�; r. ( !I 1/,/ (V L16 r X t f (10 A V"_ Vr,• � ',I � _�•j� III i o OF wn� j. --w M—1 .N AD 00 IX— Z t 'c ,'-`_ .\, �o'.-�� ;� m �_\ .• ... add �: �n� m � /D" , ;,� .\\\\I WO.0 IJ LL- ,••�.��..- _..:_0_...•-, I ( '1 $ la I\ ■ I I �u1�)' • � �1 r/ / {/ i ,��e '1 i >�`' '• � b -4r7 C14 Z'o 1.0 fV LLJ C.) ui U. IF *9 IF 9 N • SEC. 5 ,TWP.23 N ,RGE. 5 E W.M. M L.i LL.i Q a a N m I t 20' DRIVEWAY CUT SCALE: 1"=40' Z PER C.O.R. � PAGE F006. W _ _ / __ i CONTpIR INTERVAL=.2' Z I 7, \ \ \ 40 40 80 4 Z -- �- +� W 4 1 1 EX. 2 A�11 TERMHIN d 435"P E / 1 ELI - 1 S 89'07'20" W 1324.95' - - w 2 _ -,� _ _ - .-1 1- - - - - owns U' - (JONES AVE. TO ABERDEEN AVE) 1_�, } .,`.{ 1 •/ , m/ 1• o Z C) ct _- �- V BENCH:ELEVATIONS HEREON ARE BASED ON CITY OF RENT ON jz CPS SURVEY CONTROL NETWORK MONUMENTS. ftf .5'(MAX. CONC. WALK BENCHMARK J334 TOP OF BRASS NAIL SET IN C> CONCRETE MONUMENT AT INTERSECTION OF JONES N 89'07 20' E --- --� r CB A TYPE 10 ATCH EX. CURB, AVENUE N.E. AND N.E. 24TH STREET, ELEVATION 6 ASPHALT RAMP - " - ------- I 244.34 NGVO 1988 US FOOT. I: STA 1RU CUB INLET. GUTTER do SIDEWALK. THRU CURB IN BASIS OF BEARING: Q x X y I G 27 BEARINGS HEREON ARE BASED ON CITY OF RENTON 0 TYPE L "'°''� ;/ ' •\ 99 89, 15.19 I CPS SURVEY CONTROL NETWORK MONUMENTS. / UiR CURB INLET • , / ' ,� ; ; '; _t• � �_ ` INSTALL STEEL PIPE ----- ___ _____ d HANDRAIL FOR SIDEWALKS SURVEY IE TOPOGRAPHY: z /ram - L N 89'07'20' E j> 102.63' PER C.O.R. SP PAGE H024. COMPLETED BY RCAMUITT-Z I RS T 0 �00 . . \\ /I I NOTES: `o -- ------ -------- m 1. A COORDINATE LISTING, OR EQ 11 L, OF THEAF o ff i i a PROPOSED DRAINAGE STRUCTURE 0CATIONS IS 0 1 i i I 11- i y -i AVAILABLE AT GROUP FOUR, INC. 4ITYPE 0 z o'E +k,• 25 I --- O 3 30 12•SD A ° !/ 24 ; -� a-y- -- v j 2. ALL CATCH BASINS ARE TO BE 1 ~ S=1.00X STA. 14+22.00, 15.19 i, 1 I i i I I \OBj 2 12 I I o I UNLESS OTHERWISE NOTED. �_W as m m m N m m m o ah i I c.rr , i I i 1rtr 7 , STA. 1 y2+0 15�'19 L o I U( o I ' I 1 h - - - L I 3. ALL GRATES ARE TO BE FLAT LESS `E I I I I I W 8967'201 f t 11as.�o' ' 14 i'� 2`SD \ ;\ \ OTHERWISE NOTED. \ 1 m 4. ALL NECESSARY OFFSITE CONS UCTION STA1 14it 0. 15. 9 a a1 or,>s ,,.s. .:. 1 ' I t-_T-----1---- \ y EASEMENTS •c W I I 1 I I I - � _ L+ A \ 3 \ I \ TOCOMMENCINGERMITS SHALL CONSTRUCTION.E STAINED PRIOR 1 GAB I I Y l , 1 !7SD , X- 1 r TAI 12+44.27,\15I24 1 1 I T 5 15.OQ1 - . \: \ , 1 . I 5. THE DETENTION WATER QUALIT 'FACILITY WILL ---- p C 1 - 5l \ BE MAINTAINED BY THE HOME OW RS ��l I I ASSOCIATION. Nl i / TA. 1�+1 .00✓ 1511 R ;� 1 I 9 CB S=1. +: �` \ ,/ ry J oI m 6. EACH LOT TO HAVE INFILTRATI SYSTEM 283 i 1 / 21 / / STA. 1{F+22 15.19 L; a2 2Py�1 Iy INSTALLED, DESIGNED TO COLLECT, AND INFILTRATE �1, ,{ / 35'_11•r'SD , a , 1, ,1 , , , 8 7 1, , t 1, ALL SURFACE WATER. SYSTEM TO E INSTALLED 1_ i 16'E � ( DURING BUILDING PERMIT STAGE. �"'1 � I ,Ij,�'. r.. \ 'SO S-4.58X I 10 ,1 O I/ ( I L___-___ JJ �� �__1 4�11"so /' A - - 5---�---/ ,------ t l I l ; I 00 i � ; I S 12�8N3, 15.19 L r' �9a mx A"r 16 f r-�----F------- •1 \----'--�;\ \ E / 252/ 8 I y 0 �Vc_�Pr -r■ �S1/-/ ♦-0/V• I�1�0 /JA/6 70 1 1 4 rR= .8 t; T -� -------I r B3AAMPS � -TYP. 8 j02 ti� ti AA II _i_ CB O STORM DRAINAGE CATCH BASIN N ��77LJ� ✓I I �� �� +•��I _ _�� --_L_-___-- -- -_.1 1 40, R=35.81 TAG/{ PIJT# RIM EL INVERT EL. I 1 1001 300. 22 IE 12" CONC W=299.01 IE 6" CONC SW=299.29 \ ISO \ \ �% v - 6 i o E 12 CONC E=299.04 FAQ / y/.-- I, , '/rw{ A, '��r/'`J\ 12 -� 2 1002 295.02 IE 12" CMP E=291.27 I `I 'c ✓a • � �A-Uc / 1 1 b t ` /'v�/��� //L•� CL N= \ \ \ 18\ Y 2z \ i cis 3 1024 289.18 IE 12" PVC NE=285.53 4 DETENTION I 28'-`12�SD !!1 Y �/ IF 12" PVC W=285.48 �` w , C C WATER QUALITY \ \ 5=1�.7 L 1 1 i ; E 1 `'k , __�_�--- F 4 1582 2115.711 IE 8' PVC N-283.70 I ,�ys rCAk S' Z����• J � �1NJ�X ZZG, �� a - ( E a" cMP VAULT 10' \ \ Y t s=z82.97 J� � GES-2.00X _13 QSTORM DRAINAGE MANHOLE BVI LD IIv G PE2/A j m 0. TAG# PNT# RIM EL, INVERT EL. CB E 2- 'II I \ \ '' �. 1 1000 302,65 IE 12" PVC N=293-05 STA. 17+1 TYP7.11, 1 \ I\ \ I I �ao IE 6" PVC W=293.03 I I IE 12 CONC NE=296.45 33.00'R (STR) 1 I \, � ,-F-- I \ I yl \ \ I �` I ��`<' I 2 1026 286.33 IE 8" CONC N=281.33 C8 11 I � 1 " E 12" PVC W=280.55 RIM= 26&00 I y �� i� .� Fq1�" y� _ O SANITARY SEWER MANHOLE IE= 265.00 11 y 1h \t;�O\ --1 �2 `i _ TAG/f PNT�/ RIM EL. INVERT EL. V I s 16 cyf Y Y -, 14-_ - 1 003 294 08 IE 8" PVC s=zss oa I Z ', , '23'^•12"S I 2 1017 301.96_ IE 12" PVC W=291.45 0 8 50' INFlLTRATION I% ` -15 2" PVC W=282.55 1 -iF5' $TOR ) $=6.22X 3 1025 291.68 IE 1 - 8 SPREADER TRENCH I L � I_ � L_ _� z' Pvc E=zazsl IE 1 4 1350 284.70 IE 8' PVC N=277.77 \ ,^ IE 8" PVC E=277.63 X- \ \N 99713 8" E - \ 252. 55 �T /�- �y,\\'\� \\ \`__-- - \ A• , 29.90. 2y>R I � �•" �1 GROUP FOUR Inc. THFOT' URB INLET CALL 48 HOURSJUANITA\ \ \\ \\ \l I MW 16030 BOT11E1.T.,wABINGY NV 1860E 1 WAY NE BEFORE YOU DIG moo, G1 1-800-424-5555 S �G (425)775-4581 a (206)362-4244 o FAX(206)362-3819 0 `TONAL E SURVEYING ENGINEERING PENNING MANAGEMENT -8015 JOB NO.: 00 Z Shorewood Hydraulic Analysis 00-8015 Part A: EXISTING SITE HYDROLOGY I. Existing Conditions Analysis The site contains one single family residence on one legal tax parcel, with associated outbuildings and driveway. The majority of the site is wooded with dense underbrush. Slopes vary on the site from 2.5% to 16%. The main portion of the site drains from northeast to southwest II. Offsite Tributary Existing Conditions Analysis There is no offsite tributary upstream basin to the site. r r Shorewood Hydraulic Analysis 00-8015 Part C: .HYDROLOGIC ANALYSIS The City of Renton currently imposes their own standards, which are a combination of both the 1990 King County Surface Water Design Manual (KCSWDM) and the Department of Ecology's Stormwater Management Manual for the Puget Sound Basin, February 1992, as a regulatory guide for the analysis and subsequent design of stormwater drainage systems (i.e. detention facilities,pipe networks, water quality etc.). The interest areas shall be modeled using the Santa Barbara Urban Hydrograph(SBUH)method with"Type 1 A"rainfall distribution. The computer program WaterWorks Version 3.1 will be used to develop and manipulate hydrographs. The computational steps outlined below will be applied to obtain the existing and developed (detained) basin runoff quantities for up to the 100-yr/24-hr design storm (portions excerpted from 1990 King County Surface Design Manual-Section 3.4): 1. Identify and delineate the overall drainage basin for each discharge point from the development site under existing conditions. • Identify existing land uses. • Identify existing soil types using SCS soil survey. • Identify existing drainage features (i.e. streams, depressions, etc.). 2. Select and delineate pertinent sub-basins based on existing conditions. • Select separate sub-basins for on-site and off-site drainage. • Select separate sub-basins for major drainage features. 3. Determine runoff parameters for each sub-basin under existing conditions. • Identify pervious and impervious areas. • Select CN values based on soil type and land use. • Compute time of concentration for each basin analyzed. 4. Compute existing runoff hydrographs based on basin characteristics and appropriate design storms for each sub-basin. 5. Repeat steps 1-4 for the proposed developed site conditions (i.e. bypass basin, detained basin, etc.). r r Shorewood Hydraulic Analysis 00-8015 Detention Standards The following City of Renton performance requirements were implemented to design the proposed detention system : • The 2-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 2-yr/24-hr design storm • The 10-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 10-yr/24-hr design storm. • The 100-yr post-development peak runoff rate should be equal or less than the existing peak rate of runoff during the 100-yr/24-hr design storm. In addition to meeting the above criteria, the standards require that detention pond volumes be increased by 30 % as a correction factor. Water Quality Design water surface area was found by taking the impervious surface subject to vehicular use (26,616 SF) and multiplying by 1.50 %. This equates to 399 SF of surface area required and proposed is 1520 SF of surface area inside the vault. (40' x 38') Water quality design volume was accounted for as dead storage by calculating the developed 2 year storm volume for the basin, dividing by 3 and then multiplying that volume by 150 %. This equates to 2209 CF (40' x 38' x 1.5' =2280 CF,proposed) r • 8/21/00 GROUP FOUR, Inc. page 4 SHOREWOOD DETENTION CALCULATIONS REV 1 LEVEL POOL TABLE SUMMARY MATCH INFLOW -STO- -DIS- <-PEAK-> STORAGE PC Air- ---------DESCRIPTION---------> (cfs) (cfs) --id- --id- <-STAGE> id VOL (cf) O U'T' C FS 2 YEAR 0.01 0.34 Vl 01 281.46 11 5401.62 cf 0.0 J 10 YEAR ...................... 0.04 0.52 V1 01 283.37 12 7618.38 cf 0,091 100 YEAR ..................... 0.08 0.73 V1 01 284.68 13 9145.82 cf '0• 0% i 8/21/00 GROUP FOUR, Inc. page 3 SHOREWOOD DETENTION CALCULATIONS REV 1 -------------- STAGE DISCHARGE TABLE MULTIPLE ORIFICE ID No. 01 Description: SHOREWOOD CONTROL STR Outlet Elev: 276 . 80 Elev: 274 . 80 ft Orifice Diameter: 0 . 3130 in. Elev: 281. 50 ft Orifice 2 Diameter: 0 . 8750 in. Elev: 283 .40 ft Orifice 3 Diameter: 1 . 1250 in. STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> (ft) ---CfS-- ------- (ft) ---CfS-- ------- (ft) ---CfS-- ------- (ft) ---CfS-- ------- 276.80 0.0000 278.90 0.0039 281.00 0.0054 283.10 0.0330 276.90 0.0008 279.00 0.0039 281.10 0.0055 283.20 0.0338 277.00 0.0012 279.10 0.0040 281.20 0.0056 283.30 0.0347 277.10 0.0015 279.20 0.0041 281.30 0.0056 283.40 0.0355 277.20 0.0017 279.30 0.0042 281.40 0.0057 283.50 0.0471 277.30 0.0019 279.40 0.0043 281.50 0.0058 283.60 0.0524 277.40 0.0021 279.50 0.0044 281.60 0.0124 283.70 0.0566 277.50 0.0022 279.60 0.0044 281.70 0.0152 283.80 0.0603 277.60 0.0024 279.70 0.0045 281.80 0.0173 283.90 0.0636 277.70 0.0025 279.80 0.0046 281.90 0.0191 284.00 0.0666 277.80 0.0027 279.90 0.0047 282.00 0.0208 284.10 0.0694 277.90 0.0028 280.00 0.0048 282.10 0.0222 284.20 0.0721 278.00 0.0029 280.10 0.0048 282.20 0.0236 284.30 0.0746 278.10 0.0030 280.20 0.0049 282.30 0.0248 284.40 0.0771 278.20 0.0031 280.30 0.0050 282.40 0.0260 284.50 0.0794 278.30 0.0033 280.40 0.0050 282.50 0.0271 284.60 0.0816 278.40 0.0034 280.50 0.0051 282.60 0.0282 284.70 0.0838 278.50 0.0035 280.60 0.0052 282.70 0.0292 284.80 0.0859 278.60 0.0036 280.70 0.0053 282.80 0.0302 278.70 0.0037 280.80 0.0053 282.90 0.0311 278.80 0.0038 280.90 0.0054 283.00 0.0321 8/21/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 STAGE STORAGE TABLE RECTANGULAR VAULT ID No. Vl Description: SHOREWOOD VAULT Length: 29 . 00 ft . Width: 40 . 00 ft . STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- 276.80 0.0000 0.0000 278.80 2320 0.0533 280.80 4640 0.1065 282.80 6960 0.1598 276.90 116.00 0.0027 278.90 2436 0.0559 280.90 4756 0.1092 282.90 7076 0.1624 277.00 232.00 0.0053 279.00 2552 0.0586 281.00 4872 0.1118 283.00 7192 0.1651 277.10 348.00 0.0080 279.10 2668 0.0612 281.10 4988 0.1145 283.10 7308 0.1678 277.20 464.00 0.0107 279.20 2784 0.0639 281.20 5104 0.1172 283.20 7424 0.1704 277.30 580.00 0.0133 279.30 2900 0.0666 281.30 5220 0.1198 283.30 7540 0.1731 277.40 696.00 0.0160 279.40 3016 0.0692 281.40 5336 0.1225 283.40 7656 0.1758 277.50 812.00 0.0186 279.50 3132 0.0719 281.50 5452 0.1252 283.50 7772 0.1784 277.60 928.00 0.0213 279.60 3248 0.0746 281.60 5568 0.1278 283.60 7888 0.1811 277.70 1044 0.0240 279.70 3364 0.0772 281.70 5684 0.1305 283.70 8004 0.1837 277.80 1160 0.0266 279.80 3480 0.0799 281.80 5800 0.1331 283.80 8120 0.1864 277.90 1276 0.0293 279.90 3596 0.0826 281.90 5916 0.1358 283.90 8236 0.1891 278.00 1392 0.0320 280.00 3712 0.0852 282.00 6032 0.1385 284.00 8352 0.1917 278.10 1508 0.0346 280.10 3828 0.0879 282.10 6148 0.1411 284.10 8468 0.1944 278.20 1624 0.0373 280.20 3944 0.0905 282.20 6264 0.1438 284.20 8584 0.1971 278.30 1740 0.0399 280.30 4060 0.0932 282.30 6380 0.1465 284.30 8700 0.1997 278.40 1856 0.0426 280.40 4176 0.0959 282.40 6496 0.1491 284.40 8816 0.2024 278.50 1972 0.0453 280.50 4292 0.0985 282.50 6612 0.1518 284.50 8932 0.2051 278.60 2088 0.0479 280.60 4408 0.1012 282.60 6728 0.1545 284.60 9048 0.2077 278.70 2204 0.0506 280.70 4524 0.1039 282.70 6844 0.1571 284.68 9141 0.2098 colZ R-Qf--`rib0 FAAG7-6k = 3 0 v. /iv cR.�ASE VA-ULT' II y 3 a% x 4'5 = 37.*2 T�'t'zol�bsE Za V.�w L7' 25//tt�itl SJary S 38 x Flo ' 8/21/00 GROUP FOUR, Inc . page 2 SHOREWOOD DETENTION CALCULATIONS REV 1 STAGE STORAGE TABLE RECTANGULAR VAULT ID No. V1+30 Description: SHOREWOOD VAULT W 30% C. FACTOR Length: 38 . 00 ft . Width: 40 . 00 ft . STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> (ft) ---cf--- --AC-Ft- (ft) ---cf--- --AC-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- • 276.80 0.0000 0.0000 278.80 3040 0.0698 280.80 6080 0.1396 282.80 9120 0.2094 276.90 152.00 0.0035 278.90 3192 0.0733 280.90 6232 0.1431 282.90 9272 0.2129 277.00 304.00 0.0070 279.00 3344 0.0768 281.00 6384 0.1466 283.00 9424 0.2163 277.10 456.00 0.0105 279.10 3496 0.0803 281.10 6536 0.1500 283.10 9576 0.2198 277.20 608.00 0.0140 279.20 3648 0.0837 281.20 6688 0.1535 283.20 9728 0.2233 277.30 760.00 0.0174 279.30 3800 0.0872 281.30 6840 0.1570 283.30 9880 0.2268 277,40 912.00 0.0209 279.40 3952 0,0907 281.40 6992 0.1605 283.40 10032 0.2303 277.50 1064 0.0244 279.50 4104 0.0942 281.50 7144 0.1640 283.50 10184 0.2338 277.60 1216 0.0279 279.60 4256 0.0977 281.60 7296 0.1675 283.60 10336 0.2373 277.70 1368 0.0314 279.70 4408 0.1012 281.70 7448 0.1710 283.70 10488 0.2408 277.80 1520 0.0349 279.80 4560 0.1047 281,80 7600 0.1745 283.80 10640 0.2443 277.90 1672 0.0384 279.90 4712 0.1082 281.90 7752 0.1780 283.90 10792 0.2478 278.00 1824 0.0419 280.00 4864 0.1117 282.00 7904 0.1815 284.00 10944 0.2512 278.10 1976 0.0454 280.10 5016 0.1152 282.10 8056 0.1849 284.10 11096 0.2547 278.20 2128 0.0489 280.20 5168 0.1186 282.20 8208 0.1884 284.20 11248 0.2582 278.30 2280 0.0523 280.30 5320 0,1221 282.30 8360 0.1919 284.30 11400 0,2617 278.40 2432 0.0558 280.40 5472 0.1256 282.40 8512 0.1954 284.40 11552 0.2652 278.50 2584 0.0593 280.50 5624 0.1291 282.50 8664 0.1989 284.50 11704 0.2687 278.60 2736 0.0628 280.60 5776 0.1326 282.60 8816 0.2024 284.60 11856 0.2722 278.70 2888 0.0663 280.70 5928 0.1361 282.70 8968 0.2059 284,68 11978 0.2750 8/21/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 BASIN SUMMARY BASIN ID: 100X NAME: SOUTH BASIN 100YR EX SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 08 cfs VOL: 0 . 09 Ac-ft TIME: 960 min BASIN ID: 1OX NAME: SOUTH BASIN 10YR EX SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 2 . 87 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 04 cfs VOL: 0 . 03 Ac-ft TIME: 1320 min BASIN ID: 2X NAME: SOUTH BASIN 2 YEAR EXISTING SBUH METHODOLOGY TOTAL AREA. . . . . . . : 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 1 . 97 inches AREA. . : 2 . 34 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 55 . 00 TIME OF CONC. . . . . : 56 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 00 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 1430 min • 7/20/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS BASIN SUMMARY BASIN ID: 100D NAME: ROAD IMPERVIOUS AREA+201FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 73 cfs VOL: 0 . 29 Ac-ft TIME: 480 min • BASIN ID: 10D NAME: ROAD IMPERVIOUS+201FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1. 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 2 . 87 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 52 cfs VOL: 0 . 21 Ac-ft TIME: 480 min BASIN ID: 2D NAME: ROAD IMPERVIOUS+20' FRONT SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA • PRECIPITATION. . . . : 1 . 97 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 34 cfs VOL: 0 . 13 Ac-ft TIME: 480 min • 8/21/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REV 1 BASIN SUMMARY BASIN ID: 6MNTH NAME: WATER QUALITY VOLUME SBUH METHODOLOGY TOTAL AREA. . . . . . . : 1 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 0 . 66 inches AREA. . : 0 . 27 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 88 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 09 cfs VOL: 0 . 03 Ac-ft TIME: 480 min • tu�4'i�'TZ c� t�A4Lt Ty ?DES!6/V VaL UN�£ d33S� z2oc cF' ?LEQ'd WAT(E!:�2 S u R ica-GE AREA /�►, VeA,v ►ou S A"A S"d JEc-r 7;Zk VEjl/cu c Al2- USE - ZS 416 S wA-i+Erz.. S UO-FACe AeA iecouMe a = /•SCE'/. r( 2-CQ 1t = 3, 9cj SF WiQT€a,_ S ozVA <jCC AR-CA Pl"P SSeb = VoX 3$ = 6'2 o SP (7*41-J4) • • 7/24/00 GROUP FOUR, Inc . page 1 SHOREWOOD DETENTION CALCULATIONS REACH SUMMARY Hydraulic Gradeline for Reach H1 <-FROM-> <--TO--> <FLOW> floss Ent_HGL EntLoss ExtLoss OutLet Inlet AppHead BndHead JunHead HeadWtr -cb/mh- -------- -------- cfs -loss- -Elev-- --loss- --loss- --Elev- --Elev- --loss- --loss- --loss- --Elev- --Rim-- OUTLET 284.72 CB8 OUTLET 0.65 0.01 284.73 0.01 0.01 284.74 287.30 0.01 0.01 0.00 287.30 290.54 CB7 CB8 0.60 16.90 tw & do <dc: Inlet Ctrl Assumed 28,7.71 0.01 0.01 0.00 287.72 290.54 CB6 CB7 0.55 5.50 tw & do <dc: Inlet Ctrl Assumed 291.19 0.01 0.00 0.00 291.18 294.33 CB5 CB6 0.49 2.22 tw & do <dc: Inlet Ctrl Assumed 292.68 0.01 0.01 0.00 292.68 295.54 CB4 CB5 0.48 2.89 tw & do <dc: Inlet Ctrl Assumed 293.69 0.00 0.00 0.00 293.68 296.84 CB3 CB4 0.32 5.02 tw & do <dc: Inlet Ctrl Assumed 296.58 0.00 0.00 0.00 296.58 300.63 • CB2A CB3 0.31 3.63 tw & do <dc: Inlet Ctrl Assumed 297.04 0.00 0.00 0.00 297.04 301.63 CB2 CB2A 0.29 2.77 tw & do <dc: Inlet Ctrl Assumed 297.48 0.00 0.00 0.00 297.48 302.37 CB1 CB2 0.28 8.50 298.16 0.00 0.00 298.16 298.05 0.00 0.00 0.00 298.16 301.24 'Ti�l.'r /SF-all !dp'yE�iC. S 7b12�vt E • 7/24/00 GROUP FOUR, Inc . page 1 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: Al NAME: AREA FOR CB 1 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 24 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 07 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 17 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 14 cfs VOL: 0 . 06 Ac-ft TIME: 480 min • BASIN ID: A2 NAME: AREA FOR CB2 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 01 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 01 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 480 min BASIN ID: A2A NAME: AREA FOR CB2A SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPEIA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min 7/24/00 GROUP FOUR, Inc . page 2 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A3 NAME: AREA FOR CB3 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . . 98 . 00 • PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min BASIN ID: A4 NAME: AREA FOR CB4 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 26 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 08 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 18 Acres CN. . . . : 98 . 00 PEAK RATE: O . 1S cfs VOL: 0 . 06 Ac-ft TIME: 480 min BASIN ID: AS NAME: AREA FOR CBS SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 02 Acres BASEFLOWS : 0 . 00 cfs • RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 02 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME: 480 min 7/24/00 GROUP FOUR, Inc . page 3 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A6 NAME: AREA FOR CB6 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 09 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 02 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 07 Acres CN. . . . : 98 . 00 • PEAK RATE: 0 . 06 cfs VOL: 0 . 02 Ac-ft TIME: 480 min BASIN ID: A7 NAME: AREA FOR CB7 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 12 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 06 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 06 cfs VOL: 0 . 02 Ac-ft TIME: 480 min BASIN ID: A8 NAME: AREA FOR CB8 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 06 Acres BASEFLOWS : 0 . 00 cfs • RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . . 98 . 00 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min 7/24/00 GROUP FOUR, Inc . page 4 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS BASIN SUMMARY BASIN ID: A9 NAME: AREA FOR CB9 SBUH METHODOLOGY TOTAL AREA. . . . . . . : 0 . 06 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE. . . . : TYPElA PERVIOUS AREA PRECIPITATION. . . . : 3 . 87 inches AREA. . : 0 . 00 Acres TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 68 . 00 TIME OF CONC. . . . . : 10 . 00 min IMPERVIOUS AREA ABSTRACTION COEFF: 0 . 20 AREA. . : 0 . 06 Acres CN. . . . : 98 . 00 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min • r 7/24/00 GROUP FOUR, Inc . page 5 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS REACH SUMMARY Network Reach L1 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft ------ (cfs) ------ (ft) ------ (fps) (fps) P1 0.48 1.00 110.00 0.0052 0.0120 0.28 9.43 0.22 21.52 2.28 3.92 Al P2 0.49 1.00 45.00 0.0100 0.0120 0.29 6.95 0.19 18.50 2.89 5.44 A2 P2A 0.51 1.00 46.00 0.0100 0.0120 0.31 7.36 0.19 19.03 2.94 5.44 A2A P3 0.53 1.00 142.00 0.0206 0.0120 0.32 5.42 0.16 16.38 3.86 7.80 A3 P4 0.79 1.00 35.00 0.0286 0.0120 0.48 6.79 0.18 18.29 4.86 9.20 A4 P5 0.81 1.00 33.00 0.0458 0.0120 0.49 5.53 0.17 16.55 5.79 11.64 A5 P6 0.90 1.00 124.00 0.0281 0.0120 0.55 7.86 0.20 19.66 5.03 9.13 A6 P7 1.01 1.00 34.00 0.0100 0.0120 0.60 14.53 0.27 26.73 3.59 5.44 A7 P8 1.07 1.00 28.00 0.1679 0.0120 0.65 3.82 0.14 13.83 9.92 22.29 A8 PIPE REACH ID No. P1 From: CB1 To: CB2 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 110 . 00 ft s : 0 . 0052 Up invert 297 . 94 ft down invert : 297 . 37 Collection Area: 0 . 48 Ac . Design Flow 0 . 28 cfs Dsgn Depth: 0 . 22 ft Pipe Capacity 3 . 00 cfs Design Vel 2 . 28 fps Travel Time : 0 . 80 min Pipe Full Vel 3 . 92 fps PIPE REACH ID No. P2 From: CB2 To: CB2A Pipe Diameter: 1. 00 ft n: 0 . 0120 Pipe Length 45 . 00 ft s : 0 . 0100 Up invert 297 . 37 ft down invert : 296 . 92 Collection Area: 0 . 49 Ac . Design Flow 0 . 29 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 4 . 16 cfs Design Vel 2 . 89 fps Travel Time: 0 . 26 min Pipe Full Vel 5 . 44 fps 7/24/00 GROUP FOUR, Inc . page 6 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS REACH SUMMARY PIPE REACH ID No. P2A From: CB2A To: CB3 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 46 . 00 ft s : 0 . 0100 Up invert 296 . 92 ft down invert : 296 . 46 Collection Area: 0 . 51 Ac . Design Flow 0 . 31 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 4 . 16 cfs Design Vel 2 . 94 fps Travel Time : 0 . 26 min Pipe Full Vel 5 . 44 fps PIPE REACH ID No. P3 From: CB3 To: CB4 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 142 . 00 ft s : 0 . 0206 Up invert 296 . 46 ft down invert : 293 . 54 Collection Area: 0 . 53 Ac . Design Flow 0 . 32 cfs Dsgn Depth: 0 . 16 ft Pipe Capacity 5 . 97 cfs Design Vel 3 . 86 fps Travel Time : 0 . 61 min Pipe Full Vel 7 . 80 fps PIPE REACH ID No. P4 From: CB4 To: CB5 Pipe Diameter: 1. 00 ft n: 0 . 0120 Pipe Length 35 . 00 ft s : 0 . 0286 Up invert 293 . 54 ft down invert : 292 . 54 Collection Area: 0 . 79 Ac . Design Flow 0 . 48 cfs Dsgn Depth: 0 . 18 ft Pipe Capacity 7 . 04 cfs Design Vel 4 . 86 fps Travel Time : 0 . 12 min Pipe Full Vel 9 . 20 fps PIPE REACH ID No. P5 From: CB5 To: CB6 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 33 . 00 ft s : 0 . 0458 Up invert 292 . 54 ft down invert : 291 . 03 Collection Area: 0 . 81 Ac . Design Flow 0 .49 cfs Dsgn Depth: 0 . 17 ft Pipe Capacity 8 . 91 cfs Design Vel 5 . 79 fps Travel Time : 0 . 10 min Pipe Full Vel 11 . 64 fps 7/24/00 GROUP FOUR, Inc . page 7 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS REACH SUMMARY PIPE REACH ID No. P6 From: CB6 To: CB7 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 124 . 00 ft s : 0 . 0281 Up invert 291 . 03 ft down invert : 287 . 54 Collection Area: 0 . 90 Ac. Design Flow 0 . 55 cfs Dsgn Depth: 0 . 20 ft Pipe Capacity 6 . 98 cfs Design Vel 5 . 03 fps Travel Time: 0 . 41 min Pipe Full Vel 9 . 13 fps • PIPE REACH ID No. P7 From: CB7 To : CB8 Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 34 . 00 ft s : 0 . 0100 Up invert 287 . 54 ft down invert : 287 . 20 Collection Area: 1 . 01 Ac . Design Flow 0 . 60 cfs Dsgn Depth: 0 . 27 ft Pipe Capacity 4 . 16 cfs Design Vel 3 . 59 fps Travel Time : 0 . 16 min Pipe Full Vel 5 .44 fps PIPE REACH ID No. P8 From: CB8 To: OUTLET Pipe Diameter: 1 . 00 ft n: 0 . 0120 Pipe Length 28 . 00 ft s : 0 . 1679 Up invert 287 . 20 ft down invert : 282 . 50 Collection Area: 1 . 07 Ac . Design Flow 0 . 65 cfs Dsgn Depth: 0 . 14 ft Pipe Capacity 17 . 06 cfs r Design Vel 9 . 92 fps Travel Time : 0 . 05 min Pipe Full Vel 22 . 29 fps • 7/24/00 GROUP FOUR, Inc . page 8 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB1 Location North 1000 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 301 . 2400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 296 . 4400 Cont Area: Al Hgrade El : 298 . 1582 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 001 Exit : 0 . 002 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 . 940 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB2 Location North 890 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 302 . 3700 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 8700 Cont Area: A2 Hgrade El : 297 . 4816 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 . 370 12 . 00 0 . 012 Lower P2 297 . 370 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB2A Location North 845 . 0000 Str Type East 1000 . 0000 Str Cat Catch Basin Rim Elev 301 . 6300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 4200 Cont Area: A2A Hgrade El : 297 . 0392 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss: 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 003 Reach <Invert> <Diam> < n > <End> P2 296 . 920 12 . 00 0 . 012 Lower P2A 296 . 920 12 . 00 0 . 012 Upper 7/24/00 GROUP FOUR, Inc . page 9 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB3 Location North 845 . 0000 Str Type East 954 . 0000 Str Cat Catch Basin Rim Elev 300 . 6300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 294 . 9600 Cont Area: A3 Hgrade El : 296 . 5754 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 002 Junct : 0 . 000 Bend: 0 . 000 • Reach <Invert> <Diam> < n > <End> P3 296 . 460 12 . 00 0 . 012 Upper P2A 296 . 460 12 . 00 0 . 012 Lower PROPOSED STRUCTURE REACH ID No. CB4 Location North 845 . 0000 Str Type East 812 . 0000 Str Cat Catch Basin Rim Elev 296 . 8400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 292 . 0400 Cont Area: A4 Hgrade El : 293 . 6836 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 003 Junct : 0 . 001 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P3 293 . 540 12 . 00 0 . 012 Lower P4 293 . 540 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB5 • Location North 845 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 295 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 291 . 0400 Cont Area: A5 Hgrade El : 292 . 6812 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 006 Junct : 0 . 000 Bend: 0 . 008 Reach <Invert> <Diam> < n > <End> P4 292 . 540 12 . 00 0 . 012 Lower P5 292 . 540 12 . 00 0 . 012 Upper • 7/24/00 GROUP FOUR, Inc. page 10 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. CB6 Location North 812 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 294 . 3300 Area/sump: 0 . 00 sf/1 . 50 ft Bottom E1 : 289 . 5300 Cont Area: A6 Hgrade E1 : 291 . 1808 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 006 Junct : 0 . 001 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P5 291 . 030 12 . 00 0 . 012 Lower P6 291 . 030 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB7 Location North 688 . 0000 Str Type East 777 . 0000 Str Cat Catch Basin Rim Elev 290 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom E1 : 286 . 0400 Cont Area: A7 Hgrade El : 287 . 7158 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 008 Junct : 0 . 001 Bend: 0 . 010 Reach <Invert> <Diam> < n > <End> P6 287 . 540 12 . 00 0 . 012 Lower P7 287 . 540 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB8 Location North 688 . 0000 Str Type East 743 . 0000 Str Cat Catch Basin Rim Elev 290 . 5400 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 285 . 7000 Cont Area: A8 Hgrade El : 287 . 3029 ft Bend. . . . . : No special shape Ent type . : Area/sump: Ent Loss : 0 . 005 Exit : 0 . 011 App Vel : 0 . 009 Junct : 0 . 001 Bend: 0 . 012 Reach <Invert> <Diam> < n > <End> P7 287 . 200 12 . 00 0 . 012 Lower P8 287 . 200 12 . 00 0 . 012 Upper 7/24/00 GROUP FOUR, Inc . page 11 SHOREWOOD BACKWATER HYDRAULIC ANALYSIS STRUCTURE REPORT PROPOSED STRUCTURE REACH ID No. OUTLET Location North 660 . 0000 Str Type East 743 . 0000 Str Cat Dummy Structure Rim Elev 0 . 0000 Str Diam 0 . 00 in Bottom El : 282 . 5000 Cont Area: Hgrade El : 284 . 7200 ft Bend. . . . . : No special shape Ent type . : Str Diam : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P8 282 . 500 12 . 00 0 . 012 Lower