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Home My WebLink AboutSWP271910 (2)/ � ` \ ��NN��U�� JOB NO. DATE f;7 SHEET OF JOB NAME XY ^ CIVIL ENGINEERING. LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY CHK. BY CONSULTING FIRM mnPo°~ww". SW, Suite `00 Renton Washington, mm, Comrsmra ~~ _-_-_--____-_ -___-_------_-_ ------_-_''_-_---_�--' - ' --'- � . - ---------- ----- ---------'----- -- ---------- - -- ------ ' 7-_--_---------__ -----'--` -_-_---�_--_-----__- -_-__--__'--__-_ - - -_'__- � � -�___---___-_--_--__---7--_-'--_--_-------_-----_-_- ��7�- &?~� -- ------ --''-- — - — - -- ' -- ' ' -- - -- --- -- -- - - --- -' --- - --- - - - '-- -- '-- - - ' --- - -- — - - - - - --- -' -- - -- - --'-- ' — - - - ---'--'' -- - ' - -- -- -- -- — -' - — ' --- --`-- ''- --- --- -- ` -- - - ' -- -- _ - ' -'- -- '- - - -- - - -- ---'- -. -- --- - — ----------- -- -- '-- -- ' - '� - | -- '-- - --- ' | 0,9 �s ► ;. &wNr C, -L CN !f 7 11 I I I I I I I I 11 11 11 11 11 ' ��COMPUTATION SHEET JOB NO. ��/`D��-&DATE ZZ Z" SHEET OF ESM' inn JOB NAME �l/%i%!��--'�i� /4(/ gel A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY CHK. BY ' CONSULTING FIRM 941 Powell Ave. SW, Suite 100 Renton Washington, 9W55 �yTy�� •�/i r (206) 228-5626 CONTENTS Y-M�6 v vo s �L(UrG ! j�c%unS 0, 0-�0 A - 171. acr ,¢� �w�� G - 0, Zi � W �ACOMPUTATION SHEET JOB NO. f�/"02 �� DATE ' f SHEET OF Ey7�C+1Yi, inn JOB NAME A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY �� CHK. BY CONSULTING FIRM )well 5l�Ave. SW, Suite 100 Renton Washington, 98055(206)c228-CONTENTS 741 4` t',r�sf 3, y 3 f a. '51- /, ¢ 7 4 5, /SJ 47- p. z/ p, 5. 97 TG oo �G C,5i n -1�') Lt'17 HOC 1 2/"07 i -see r h� m uyt j l4r v� � tore"" 1 0.1 !� 1 04 `61 vi vl 0.�)3 0.2o COMPUTATION SHEET JOB NO. �/%'y` %Z 7 DAT /�1 • �f`' / I �/ SHEET OF JOB inc. JOB NAME v_ ��G'� � A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY �' �-! CHK. BY CONSULTING FIRM / r 941 Powell Ave. 5W, Suite 100 Renton Washington. 9WSS (206) 228-5628 g CONTENTS Yr1 [ .7 G`S o.�s- - `�"�� _ �5• �7�1%�d � /.',/�)� �,�%h/hr ��O.B/CIGCl/.L�4.Z6�I �iDDi��/�'r J lr07—D_2/ - Deg N_m UVtI�(s�YU�x� Ar '72 e�l(; l 01 _26 4r z�k�eg6 r 0'r�i Cl-11 ,2BD, G I ft`�'�4c' A0 41;7 - Q U ; 15,So ' COMPUTATION SHEET JOB NO. Z�2-0Z _Z3 DATE LIKI I SHEET 5� OF ESM inc. JOB NAMET y�� 'A CIVIL ENGINEERING, LAND SURVEY, AND PROTECT MANAGEMENT COMP. BY LJ � i Y� CHK. BY CONSULTING FIRM 451 Southwest loth Street Suite 106 Renton, Washington 98055 CONTENTS (206)228-5628 ��... C Aev,4 ('4�0 u) -� I � ` o c I j , L T —. -..... — ` O LJ 61210 AA; Z, F �i0 D• I � N, o� �� Olt I D•26 0.2q- o D. �0 ) 0•la' �. O.�G O.c�'L o. D. o p !10 i o.�l i o•a COMPUTATION SHEET JOB NO. 799 UZ � DATE SHEET `& OF ESM inc. m JOB NAME A CIVIL ENGINEERING. LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY O CHK. BY CONSULTING FIRM 451 Southwest 10th Street Suite 106 Renton, Washington 98055 CONTENTS (206) 228-5628 COMPUTATION SHEET JOB NO. �/ �OZ "�L'� DATE ESM inG m JOB NAME .' A CIVIL ENGINEERING. LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY CONSULTING FIRM 451 Southwest loth Street Suite 106 Renton, Washington 98055 CONTENTS (206)228-5628 CHK. BY SHEET —7 OF rt/J. : . ... .... ...... :...: • . s 40 0,; 2 54 Lr-, v{ =1 W s t 3; Z %. V�<(. - 3,.5'�-L L 1 r= ' ?�� i I�.,'�;:-� s = .1�% .�'- '��.= 3.•z%sec.,. r= 0� z 1 •� 4-0.10. ' COMPUTATION SHEET JOB NO., DATE SHEET OF ESM inc. m JOB NAME A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY T �O! /" i CHK. BY ' CONSULTING FIRM 451 Southwest loth Street Suite 106 Renton, Washington 98055 CONTENTS (206)228-5628 .. 1. Ve LL c1Y �I� •.��.. �=�(:,GfG� _-=-.."f�(�.�?53/��.., tom. �-7 1 I yy t u 10.o JIVi/i/ JCYYC/ [/C5/�//l (.U///UJ/U//U//5 JOB lvo. Z DZ �� ESM inc. DATE , l r Sy D. OFirg- /—D—F CURVE RETURN YEAR .SHF? � OF "'s° '^ a"s`^"s" IDSR "'^"'^'-o^^+°�s Gou ua•xre Location of pipe Tributor t7l point .of concentration Time of Concentration RalYalj intens- ity /r /r O=CIA Inv.el. a1 ppt.at of con /nv.el. neztpt. Length of pipe Grade vel.Area Di Cm61-r Q Full from s ethic areas noted AccLrn. Totals Theo. Com/, No. Acresrunoff actor "1rprev. Acres /00% AC. total at pf�/ass/ /npipe from p/. toto/ at pt. of cone From To n= D-OTC{ De/ 1 Dior nv/ J v10 (J �`� 5!G ftT r� �, / 7 ZZ Gj� Z�i I Or I �I ZGJ I 1 I I I I 0,V12 a.) P 41W 41 7114 I , 50 D Z 0� �= Ga I i 3. ZD a 18 N 12 -ZI 1 ( I I I 1 I I I I o.4-;2 0•r I o,�� I � - I 5 ,10 wl�ot �llIixl�? I I ;,o I I,Do 1Z-42 1 I -?u ,-) I 04 ' Grl I I G8 Z ry I,, I �� I .u� i� '�` ZI D.?� I "1 1`a'� ;<uii " 10� (0 l �% 6 ��7 �°-' 9iy'� 1 < Ih„ cif Zl I Gr Z% �.l l OA 1 0-1i c C,+.0 ,� `l D. I, I i--7 ,� -,- ✓, .r'�I ,5� 1 -03 ZI 1 `'' ��. I I ho'a�� 6'e, -7 �� .� h�° �, ►� 0.lov D, 10-� I r�.a� 1 I I I 1-�1 10,11 3.�013-�� I i I I I I I I 0.00I�-ZZ.oe) I JOS NO. %°j°> OZ - 9&3 DATE / BY- I-D-F CURVc /e012P1'/ RETURN YEAR %O •SHEcT /b OF ESM inc. .:, 5 r.,, ,ae s.R s.. ,a.,.,a w,✓. pe , xoss am u9.sue Location of pipe 1r1bVtOry Ct point .of cAnCentrotion Time of ainfa/ Concentrotion intens- iota/ rn pipe total it 0=C/A at from at pt. �/ // prev. p last pl. of cone /nr. e% Inv. e% Length Grade 'al pr of of Vel. of con nezl pt pipe Diomel2r Q r m s eciric areas noted Acczm. otol Theo. Comr, Are Acres IRzinoflAcres foc for r o 100°o AC.n From T o D /d Dice e 11,00 14•1S Tl� G�15 I P#IZ i is I �o II b,o� I �f3 1Z.�� I I, 113.E I I,-7�� 4.4 1 ell 2 i I I I I i G�#h I/; lU I I a o2�f11�ov o��Ili, 10.1 1-�7 0,51 " �°� IZ ITM—&I II IZ�?.I �I �� ► I n.c�o 1 col o � D k) I o.qZ I I 1�o I I I G�`f �25 G ,j° 10. 0. C)3 i 4a5 Ito I ,`? 201 40 0•%"1 14.1& 1 i 19 o,►� , 5 �-IZ l ,(V 1 Iq,o 11,720 1 o, Long. i J/V/ lil JCVYC/ L/C,�/U/l C. U//�UU/ Ul/Uf/5• ✓OS NO. 00 �3 DATE /-D-F CURVE YCeO Jh RETURN YEAR to SHE- T % f OF ESM inc �Si Sw�-.,� ion y... s+.r �a a.«e+ w.d:..po•. seoss Qw usSale Location of pipe Tribvtcr n Point of concentration Time of Concentration ainfal intens- it �/ // 0= C/A lnv.el. at pt. of con Inv. eL Length Grade of of nextpf pipe % Vel. Dicmet2r Q Fall r m s -Inc areas noted Accum. Total Theo. Comt, From To Area No. Acres �' „ unof factor " Acres i /00% AC• fat a/ Cl prev. pt�last /n pipe from pl. total of pt. of cone n= U 03 D /cj �•�% 2CL � .a �J I?i• 10 J �� /�(J �� I �0 I �0 I � I 1l!� �•�7% G>� I T �''� p.ti3 I (o a.�� IZ..(o ID• io 11� -Z I �� . I�f�la` I ,I / / i ?,�(o �f �v Z7¢. I # 15. I I I I I I I I I I vl)IK-1VV I '�r I ,. -�� I �•51 I 70 I ,vI'•5 �►� i �' Zy I.-� 1 o�A o,, 112, I I 4 l o.1O,) f 911 �ais 1Z•Z1 97 I� I I G>> ;' C - I I•� I I D ( I� Z I o. I I� i i '7`� I' �JI� ?:?�" oo I ,SZ 13.3 �Z% ( IZY I I I I I i I G3 , i °�0 �-40 I4•S 10, 5 1�,3 113� 5-�'' I �' 3°>'�° �jOG I D r20 2f G2.`flo 15,E I1�1 �� I ' '�z% D.r�2O I io 51L ICI' I2. n,3 Z� rtsp�� O�DI-7 r Oka.- f m= m!== m m m m m= m m m m M,= ✓OS DATE I-D-F CURVE /"7�!'I RETURN YEAR !'D SHEE T��i OF ESM ina 45, sor++ev lah sf . swr 106 Rwnew w..ti.pv�, feOSS Locolion of pipe TribyfOrY 17t Point -Of. concentration Accam. Total Acres l00% a „ AC',�n= Concentrationtens_ Time ofJPDt. fofo/ in pipe to al from of 11.0 k I I lS-) I oinfa/ I 1i Inv. el. Inv. eL O=C/A o1 p1, at of con nextpt. I �!l ove( 0)1 Length Grode of Ve/ pipe % Di om e> 2r Theo. Comp, 0.0prev.pl�lostpl.Ict Q Full r m ecific areas no>eLY Area No. Acres unof foclor �� From T o 0l7/! u I � I I I I G 2 �Gf�'* 2 pt��? 10•54 10; �,D % ,o ,Zl ',1 i)� " �'=� �/ ��lo� ��IV� //�( I D. V/4 0-7/� 1 1 11-95 C1.i3 °'� %'� �� Z �3-tea , ,. 7 ��- gl� �,05 I I I I 1 I I• I I{I 1 COMPUTATION SHEET JOB NO. 2 9y -0 Z- &Y--�13 DATE - -f - /-f - 0 7 SHEET OF ESM inc. JOB NAME K P161'f A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY CHK. BY CONSULTING FIRM 941 Powell Ave. SW, Suite 100 Renton Washington, 98055 (2m) 228-5628 CONTENTS f -27 7-9 3 fo 4- CF - 'Ic Sfot'm Seyler Desi n o QufGtions ✓os NO. 295 _ _ ' _ ESM inc. DATE - - /S/ Ste. BY J I-D-F CURVE `.�� :',_..-.=,r RETURN YEAR .SHEET J`7 OFsa.M Location of pipe AP Tributary at Point of concenlrofion Time of Concenlra>ion ainfa/ intens- ity n Jr o= C/A lnv.e% at pf ofcon /nv.e% at nextpt Length of pipe Grade Vez DiomeJ2r Q Full from specific areas noted Acczrn. oto/ Theo. Comi From To Area llo. Acres Runof factor Acres 100% AC. total at prey p rn pipe from last pt. total at t. P of conc n= �...� -� o /d Dia /r''" �__ 1 _ �.�� G o� 0.05 0.�9 •-v1� G� 6,_ /.J� 7.JcJ zl 0.z� �.¢ oJl �:�J %� U• Z o ? 0 o.9 G. �l /..•l D. 3 �i �% v%Q7 %t� v.�� 'J4�'✓ �7� I 1 S4 �f .0� y`'% I ��I1. 1,4 D.7 Ib, Z �i0 b.bj0 �� ,�.1 s= 5 goo ail % /z - f COMPUTATION SHEET I JOB NO. 22,2-01F-963DA3 La Z" SHEET OF -'ESmihQ- JOB NAME f A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. CHK. BY CONSULTING FIRM 941 Powell Ave. SW, Suite 100 Renton Washington, 98055 (206) 228-5628 CONTENTS ' COMPUTATION SHEET JOB NO. Z// / -0L Q 65 DATE ESM inc. 2 JOB NAME 'A CIVIL ENGINEERING. LAND SURVEY. AND PROJECT MANAGEMENT COMP. BY CONSULTING FIRM 451 Southwest 10th Street Suite 106 Renton, Washington 98055 CONTENTS (206)228-5628 CHK. BY SHEET -ya- OF . ... .... ... ... .... ... .... ... .. ... .. ... ... ... ... .. .. ... ... ... .. ... . ................... I _ 70 . . i Nr-, T' !PA65 %-0��i 1 it ►� o�� ;cm D �► I, ice' .. U,�=�= _- L,�+'� �F L No J'A 4t i j 1 l 1, "IT t ' 1 t I t � �!' I + ! � : 1 ! ! ' I , i • � 1 i , '_ ; I � : 1 f ! I i i : ! j � 1 { I I � I ; , �. i -t" ! l I l._t. + 1 .1,. I . . .... ;T-T f' 'T T_ i Ir JF I NO t i ;J O �� S 116' �' i�/ lj yl 4 yL/� / /BaJ3� Ssa(w h ti sh p h o SPA ' COMPUTATION SHEET JOB NO. 2,29 OZ Ll DATE ESM ina I JOB NAME /1 ' A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY / CHK. BY CONSULTING FIRM 941 Powell Ave. SW, Suite 100 Renton Washington, 90055 (206) 226-5628 CONTENTS SHEET 17 OF ale -j*' /a" /f, 7v/c /// 67 i P%ff jlY.!i;I 3. S /G1GiI-dL, ��'Ol-17 r __fix 1 S7"1 N� Sc�sr"'�i AID h�n� ►� �- Z �� 41 F,� N lkt C - t- 14 43 S( .\ �1� ,N 4� 3 8, Nt, 4t sT ' `-7 4� D►�1 l-�Y� -07151 N 3 Ki t� [- 4i� �� N�WINDSOR PLACE.�HYDROLOGY .(D. |QFFE) - ^ ,age ' xop ***************************************************************************�**** HYDROGRAPH DATA HY�ROGRAPH FILE, UNUSED FILE RECORDS: N�HYDRCGRAPH ��H8ER: �C �E5CRIP�OR BASIN 1 '(25 �R) EXISTI�G MAX FLOW: 29.2� cfs V�L��E: 1291253.15 ft3 HYDROGRAPH �U�BER: 4i DIPTUR: OUTFLOW POND 1 (25 YR) EXISTING MAX FLOW: 29.22 cfs VOLUME: 1291253.05 ft3 ..... .... ..... ......... .... _______________ ��HYDROGRAPH NUMBER: 4� DESCRIPTOR: HYDR3 #41 Ts _ = 25 MINS, MAX FLOW: 29.22 cfs VOL�ME: 1291253.05 ft3 HYDROGRAPH NUMBER: 43 DESCRIPTOR: BASIN 2 (25 Y�> EXI�TING ` MAX FLOW: 1.48 c�s VOLUME: 32247.16 ft3 � ��HYDROGRAPH NU��ER: 44 DESCRIPTOR: INFLOW'HYDRO POND � ' MAX FLOW: 29'74 cfs VCLUME: 1323500.22 ft3 � HYD�OGRAPH NUMBER� 45 DESCRIPTOR: OUTFLOW HYDRO P�ND 2 (25 YR) -XISTING MAX FLOW: 29.73 cfs VOLUME: 13�349B.39 ft3 -^ ' � wz **************** *� ` WINDSOR PLACE HYDROLOGY (D�� OFFE> Pag��K HYDROGRAPH NUMBER: 46 ' DESCRIPTOR: HYDRO 45 Ts = 4.2 MINS. �. N� MAX FLOW: 29.73 cfs VOLUME: 13'�3498.39 ft3 ' .� ---- _____________________________________________________________ HYDROGRAPH NUMBER: 47 DESCRIPTOR: BASIN 3 (25 YR> EXISTING m� MAX FLOW: 5.61 cfs VOLUME: 104222.21 ft3 HYDROGRAPH NUMBER: 48 DESCRIPTOR: INFLOW HYDRO POND 3 <#46+#47> FLOW: 31.25 cfs VOLUME: 1427721.08 ft3 ` � � ' WINDSQR PLACEE) �^ "F��~ �� .^ = *************************************************************�****************** � .- POND NUMBER: 1 POND DESCRIPTOR: BASILIN' 1 ---�--`--------- POND STORAGE --------------- ` ` POND SHAPE IRREGULAR (Based on TOTAL INFLOW VOLUME: 1�p1253 , ' _ . N� elev/storage as input) CORRESPONDINS ELEV: ' � �09 52 +t``^/��' POND BOTTOM ELEV: .3B5.41 ft �� --------------- POND l2ISCHARGE --------------- ` ��TYPE HEIGHT DIMEN 1 COEFF 1 C�EFF 2 DIMEN 2 2 3B5.�1 ft 24.00 in 3.270 .620 6 389.79 ft 60.00. ft 2.950 IN�TIAL WATER ELE�A�ION: EVAPO-TRANSPIRATION LOSSES: m� ....... .... _ LA�SED TIME (min) 360.0� 420,00 480.00 54O.00 600.00 660.00 720.00 7B0.00 840.00 385.41 ft 0,00 cfs POND ROUTING �A�� TOTAL T'DTAL �3WNST�EAii ILW OUT FI OUTFLOW (cfs) (cfs) (cfs> 1.02 .67 .C5 .67 5.25 3.98 3.98 14.25 13.13 13.13 24'51 22.72 22.72 28.77 28.52 28.52 28.89 28.96 26'75 27.04 27.�4 23.25 24.41 24.4l 20.65 20.24 20.84 19.48 19.56 19.56 i8.69 18.75 18.75 18.05 18.10 18.10 1�.44 17.49 17.49 16.72 16.78 16.78 15.99 16.05 16.05 15.41 15.45 15.�5 14.9B 15.01 15.01 14.62 14.65 14.65 13'12 13.30 13.30 1�.15 10.60 6'21 6.88 6.88 3.19 3.74 3.74 1.20 1.60 1.60 .16 ` ' .45 -' .45 0C WATER 5TORAGE ELEVATION VOLUME (fL) (ft3> 3G5.43 66.12 3G5.61 826.34 326.32 3839.17 387.61 9309.65 388.5G 13391.05 389.88 18897.67 389.91 1�01�.34 389.78 18457.74 38�.05 15374.92 388.3D 12197.41 3�8.18 11721.23 388.11 114�4.39 38G.0� 11171.95 388.00 10945.30 387.94 10679.14 387.87 10405.12 387.82 10180.72 387.78 10015.32 3B7.75 9878.61 387.63 9374.41 387.37 8298.20 386.79 5832.62 3B6.28 3657.94 385'88 1987.92 385'54 554.15 2 -, 385��1 1> �rifice 2> Circ Culvert 3) Rect Culvert 4) Rectang Weir 5) Triangl Weir 6> Broad Weir' 7'> Constnt Flcw 8) Elev/Dischrg ...................... "R, -X- "' -W I N D S 0 R., P L C.E H 'Y1." F,, 0 L Cj GYY D . D F F E is T L) I H' L L O'kii * " � I IIN r, TO -AL OUTFLOW; tire:: I DN S TR 0 U T F - L'L-.;W iv! I'l AX WPI *I- - ELEV. X OFF,F" MI IA A c: T 2, '? Ez + —7 Clsp, Ci C r I- T L k- . j 1 T C-,, 7. I . I, I I FL -1 14 "t' 46: 'Yf 'X"Y:. {/{".*' .�, :�'Yf"IZ' ^�' � }� �"#"'�"�"!-C '�'R"fC Y: :� �f'�"h`' "�' M .Z..�..4..Y' )C :$ .:Y .l{..Y •Y�i n_ T :T f")f ^'C Yf .�j..�(. �..F 4.; .n ,i7"1�:'Oui :F`LrICE -HYDROLOGY (D. OFFE' , _ ;�' -.�Ci' •}:� ':i: 'T 'Yf '!t :i- :'^;'l� .:�'�' l'i 'Y'."!C "�'i":� I'D 0 ilm IJ I %.t' u il AE11 . 1='l_i`aD �'t_�'!vr�t'1F'I_+r•'" i'i'-i�_1�i•'-I .... '1� r�_,,_:..-, "IiiF i 1 1 r', rY' t{ased on TI•.`:^ '- l i i i=1L J.i1ihh-L_i_)4`'+ 0i i _E i :l :- 'YI,LUI'}C: i t ._r _.:J ;cct? tr,REG"LJ:_r`!n �1 ��1_Cf itC1C 5 1{7IJUt: G; F-,RE:_�'1_1I'iDI!! LLE1'" a,_i.'_i3 i�fir_,UJ Ti r t"i I^i l`I LLB_'`..' -'t !:= J. :_ -,; '-9t - I I-'.. !-1!•i �_ii" 1 !"'.. !`-t I J. .::1 ._..---_.._..._._..._____._. ..... ___.. ___._. _. .. 1 ... .. __.......__.__.____. _._.._..._..._.____........__._ rl�..i.i=L_ ,.. _.`J i'-+:::: I i .>_.. '�i i"i .'-i..:i f .__. .= i l_i", 1...-IiJ C::. i .-.�`{::� .I.NH LOV'�I 'j I rL1.J r'� �J ^LIJ 4-:' �L "l -` 1. •_ i, lJ l._�J l�il_ kj lJ A. cr o ', .. _ �! ._ .._ _ a ._ _ i�.1-_• . , —, .1. - _ _ "1. 1V ?li. /-~ �•t �: 1 _ _ s�. t.1 ♦ 32iia LtLl i i.='_:. i a ` i v'`? ��..-? .�_.r ,: __ =t:J �_. =pia .._i-._t..J. �1•! {-i :. _ i. 1 s� 1 J. .._ .I. J- 1 .:• O i :� .J •i. � � S i C7 ♦:: j i y e 1. .{. "t -- a 1 :� a vim _ :, ._ _. ?i_.'..:.. "'t'_� 1 1 U' a Ja J. C . C? 1 tom'-_ i i_ n _: 1 J � h .I..,:. (_:: ! : i 1 -;' 4 1 J. O t7 .!. ' _ vim.. 18 0 ct 7 Lj. 1• . )1 1�. i j.t a`'jia i .I. 1,..,• {,1 �i . (i t 11'611 1 4 . 1 1 4. .J "'t ,. 9� . 'i• ? O 1 a `� /' {ibb��•=.i?;3 1 �.' ._ [7'.) . -� i+_•.!. 1�.I .. +-+_. ._ _•L]i•Ul 1:'V'L�%a5-J �. C' �_ • ' 3 ;? {�7 7 . l7 ..J t� J O 1 154 11 -� 357 . 1OC f1 i)i; ,. e J �� 7. 1 _ ?r•i i. / 0 iJ "1 ;7 �LL7��J 7. 1J tb.'l!� RE3 62' ° a� 1t>� is Jx ! ************** k. WINDS8R PLACE '� HYDROLOGY (� ^ D' ' E - F"-=- *************************** **********************************�********�* 1920.00 .62 .92 .92 380.43 1339.23 1980.00 '29 .42 '42 380'35 603.82 N� _- 2040'00 .18 '23 '23 380'32 3�9.43 2100.00 .11 .14 .14 380.30 200.17 2160.00 . 07 .09 . 09 380,29 1�73.53 ^ �� /'76. 40 2280. �0 . 03 . 03 . 03 380. 29 47. 26 234O.00 .02 .02 .<)2 380. 28 29.24 �N 2400.00 .01 .01 .01 380.28 18.O9 2520.00 0.00 0.00 0.00 3B0.28 6.92 2580.00 0.00 0.00 0.00 380.28 4.28 N� 2640.00 0.00 0.00 0.00 380.28 2.65 2700.00 0.00 0.00 0.00 3B0.2G 1.64 2760.00 0'00 0.00 0.00 380.28 1.01 N� 2G20. 00 0. 0C MA� TOTAL I�FLCW: 31.25 cfs �AX TOTAL OJTFLOW: 31.07 cfs ' MAX DNSTR OUTFL��: 31.07 cfs MAX WATER ELEV: 383.44 ft MAX STCRAGE YCL: 2G567.71 ft3 RETAINE� VOL�ME: .36 ft3 --' Znflou ---�OutflOu] TIME (mih| COMPUTATION SHEET JOB NO. vv v� DATE SHEET `g of ESM inn m JOB NAME ' A CIVIL ENGINEERING, LAND SURVEY, AND PROJECT MANAGEMENT COMP. BY CHK. BY CONSULTING FIRM 9641 Powell Ave. SW, Suite 100 Renton Washington, 96055 (206)228-5628 CONTENTS ;-i-- i I, i I I I 1 1 ! 1 1 I i I I -! tilt I I i ! ! I I 1 I 1 1 I I I f l l l l! I! 1 1 1 1 --r- -- n -� ---r-T - - -r- -- t 7-7-7-7-7- 7-7-7- 7- 7--71-7-7---- �-- --i--1--�--f1_1_1_ i l J�'1 �, -_ I rj l i i _QlT�7•Dy�1__L/ItlNIt 27AAa__r�_�_ 1_.�lL-•1.-1-1-1-=-=-1--1.-w-->.--=--1-1-1--1----a---- i +p 1si•:l r�vN - - 1"y _ , t t ! _f —r-7-7 r-rrjJ- » ------� -r-i -r-r-r-r-r- - I-T- ; -7- I I I I �- yt { !1 !1. • t` . !-(.e�.� ��'y �L J_Se� N_ G � �La � S� _ ! 1 1 I ! i t t -T -I l i I i I t I i I! 1 I I I I I! I! i 1 I I{ I t t l f .1 i( I I I! ----�--';--r-r-,-r-r-r-r-r-r-r-r-r-r-T--; -T-T- 4-T-7-7-7-7-7- ;-?-T--F-�-�-�--�- ;- ;- -_L_L_L_! _I _L_L_! _1_1_1___ 1' I 1_1_1_ f_1_ �_ t_1�!_ ! 1 1 f I I I I r { I I I t I 1 t I -T- I t �- -T1_1_1_1_I 1_1_-1 1 -�s - --=�- -- - aw-- I��^f-� fi�1_nar_ �,�c _ - 1�-,-- _�.�1,!lt��to�it'�l_T��i-- -I --�-�� Y�+' _fit--� � roe �� w�_-nQ� �i1�C'rt� �-�� t�af_ri-'--•- �-- ------------- T_77 '_-i_1_i_i i- ****************************************************************************** * N� WINDSOR PLACE HYDROLOGY � '� � a e ******************************************************************************** HYDROGRAPH DATA HYD-OGRAPH FILE, UNUSED FILE RECORDS: ' 21-29 36-39 50 HYDROGRAPH �UM8ER: 40 DE�CRIPTOR� BASIN 1 (25 YR� E�ISTING MAX FLOW: 29,2� cfs VOLUME: 1291253.15 ft3 HYDROGRAPH N�M8ER: 49 DESCRIPT3R: OUTFLO� HYDRO 30" PROP' (25 YR) MAX FL�W� 29.22 cfs VOL�ME: 1291266.69 ft3 HYDROGRAPH NUFBER: 1 DESC�IPTOR: SITE DEVELOP. HYDRO (25 YR> --MAX FLO::VOLUME: 88684.55 ft3 HYDROGRAPH NUMBER: 2 DES—RIPTORx GUTFLOW ,EVE. SITE POND (25 YR) 7766MAFLO��LU37 ft3 N�HYDROGIRA' FH NUIPTOR: Mt";X FLOW: 29,96 cfs VOLUME: 1369188.89 ft3 N�------------------------------------------------------------------------------�'�^ HYDROGRAPH MAX FLOW: NUM8ER: 4 DESCRIPTOR: OUTFLOW HYDRO PROP. DITCH (25 YR) .' 2�.96 cfs VOLUME: 136918S.89 ft3 `* zgl .�. ^ ' ` '` � � *******************��*****************�**********�*** OF r�� WINDS� �E`HYDROLOGY (D. FE) Page ' ************************************************ N�HYDROGRAPH N�M�ER: 5 DESCRIPTOR: BASIN 4 HYDRO (25 YR) MAX FLOW: 5.54 cfs VOLUHE: 104885.99 ft3 ` . HYDROGRAPH NUM8ER: 6 DESCRIPTOR: #4 + #5 INFLOW POND 3 (25 YR) MAX FLOW: 31.62 cfs �OLUME: 1474074.88 ft3 ***************** N� WIolDSQR PLACE HYDROLOGY ) ., - .� > �. � .�°. . � � �. ` '� � 3- 1-00 ' ' `^^ ��^=��.' ' �' '� � � � Page ' POND �UMBER: 4 POND DESCRIPTOR: POND 41 W/ 30" PROP. CULVERT -------------�- POND STORAGE --------------- POND SHAPE, IRREGULAR (Based on L INFLW TOT�O VOLUME: 1291253'15 t f3 N� elev/storage as input) CORRESPONDIFG ELEV: 409.52 ft PONC BOTTOM ELEV: 385.41 ft N� --------------- POND DISCHARGE --------------- ' HEIGHT DIMEi. COEFF � C3EFF 2 DIMEN 2 2 382.95 ft 30.00 in 3.270 .620 0� IT ATION: 385. 41 ft EVAPO-TRANSPIRATI�N LOSSES: 0.00 cfs N� --------------- POND ROUTING �ATA --------------- EL�p�ED TOTAL TOTAL DO ER STORA�E N� TI�1E INFLOW OUTFLOW O�TFLO� ELEV�T�ON �CL�ME (cfs) 360,�0 '11 .11 .11 3G5.41 �.00 420.�0 1.02 1.02 1.02 38�.4i 0.00 N� m� 480. 00 5.25 5.25 5.25 385. 41 O.00 5�0.00 14. 25 14.25 14.25 385.41 0.00 600.�0 24'51 23.76 23.76 385.�6 14�8.2� 59 28. 59 386. 06 2762. 70 ` �� 720.00 28.89 28.96 28.96 386.09 286O,59 780.0C 26.75 26.95 26.95 3G5.96 2322.31 840'00 2325 23.52 03.19 N� �00.00 20.65 2V.75 20.�5 385.57 66�.14 960.�0 19'4S 19.53 19.53 385'�9 334.54 1�2�.00 18.69 18.76 18.76 3S5.�3 93,94 N� 1080.�� iS.O5 18. 14 18' 14 385.�1 0.00 � 114�'00 l7.44 17.53 17.53 385.41 0.00 � 1200.�0 �6.72 16.81 16.81 385.41 0'00 i7, 16.08 16'�8 385,4� 0.00 1320.�� 15'41 15.58 15'50 3��.41 �.00 15.07 15'C7 3G5,4z ' 0.'00 144�.00 1�.62 14.71 l4'7i 3�5,41 0.00 i50�.0� 13. 12 13.21 13.21 385.41 0.0� 1560.�0 10'15 10.24 10.24 385.41 0.00 1620.00 6.21 6.30 6.30 3B�.4l 0.00 N� 1680. �0 3. 19 3.28 3.28 3G5.41 0.O0 1740.00 1.Z0 1.29 1.29 38�'4l 0.00 18�0.�0 .16 .25 .25 3B5'41 0.00 ` MAX TOTAL INFLOW': 29.26 cfs ` . . MAX -_`.�.\_ ^ � � MAX _TOTAL DNSTR'OUTFLOW: ' r - 4. 44 1. 1\1 Z, SO R, PLACE 1, E, C 3 u1' DO Cl e V 77 ■ Com ekes D JV t3 v I H L `•1 EL' k-,.--lu3 ME � t • - , 1�^ [�ati ,•tr''ic'x�}mj �i. / "l G _v.'.: '.?."Y. .. 'lc' x'l4 -fi':x' :. PC -.�:t' T.. ;..--,.- x. _.;� .jZ. -r ;., �� - ;;� .::;..-(• -.. .<..�,• •J`C 7["YK.:`C '�' �.`['�.' •�• _it•.`.�1. 7%' .�' �.::- Jft' TC � -il' 7!' +.`C.'�-'sC.?�. •i["�i..`•+t. $.';`^r l•�.LIaL..'.._l.)R Fi._I-1C t-H-iL1".�L�..i (J[ �. J i -t"'i U r age Z .�. f:..+ .. ;t �.#' x .!#".c �! x"#"fs 1 x ^t-'.. f: �%s".,' st �' a;..;..,:..i .3!' :-i..�. ;. �..-: 'l.' •t- +t' •i{. .n. .. .. 4'>c ii•'3' .. '�. .. ='F'�.• .. x'ji"iF x"iE `. �,f.' -Y LL: 'fi' .. i 1='c;`a .. ..,� li l::i ._.f�: I'- VL:IL '�_.^. L. �'. 1 i �•I L�1=\ r-i FLds JiJ ";+.v L_ _..___..__U.__.._�—_: — [['Ci0 =f-F'_ 4 TLL 1V-L.0-4_'a 1_4_ A ? `fCCj -r' `_ L1_ input) Cor:lz`S,-oN"t11'A G GL_1='r}a 40 I T � CCl rr1. _•___.._..-.___..._.____. _'__.__�'._� _J:i L 1vl_:. i•11-'..IMF 1�. ..___. - .'{ _______._` �- __� `.._.-._ I. 1 rl E' i •i '_�:i � l_'Y i_ _. _ .. .. .! t ..:-i I''•1-=,. .t. Ill-: I _J:`I I._. LI C; G_`.i I"L?TAL ..%*.J•1 - •'4 I _LI iV ;_L_L . 1-tl 1 kJ j. '1 �1 '1 ;:L i'_J �` b:).1.= 7, 71_v t t ,_i> J. JCS rr , 62' _. , .Cis_ 11 S.L u 1 B. 17 4 71 , �� a 1b. 94 1b. i.< i i 1 J:. 1 tJ . �...i.:.)„ti4. 1'i• +'1. 14. f2 1' ,,J1 19i). 11.6 _3�.,'1 1 `y-1.i?b 8 2, i ' :L 68, J 6-5 47 ci1 1 1 O'i• 22 5 _1 4..J'• = _ _ G �_r . (_: i� T b 1 J. 57 1.8.)ir, _, _) .7F'J 1. 'i)1 1. =)1 =8�). `?ii' 1,45 :. b= ].8b�_), tit-) 4: '' . 49.�i� '` j,.. 49 '^oi). =0 b8 ;j , 4?14 oi KUM QQ, WINDSOR PLACE HYDROLDGY (D. OFFEI Page 1920.00 .41 .42 .42 380.35 6i3.10 1 T 8 0 . 0 4 .40 380.34 579.07 2040. OC-i 7 .38 AS 3SO.34 550.66 2100. 0:1 ._1 .36 .36 380.34 521.55 2160. 00 .34 300.33 492.62 2220.00 .3.11 .32 :�.32 3SCA3 46l.S4 2 .3(:." .30 380.33 429.85 2340= .26 .27 27 380.32 396.35 2460.0-i 2,. .20 380.31 303.61 2520. 0(::) .16 .18 380.31 2 5 5. 3 27Q0.0(:, .16 .16 .16 3SO.31 231.81 2760.00 - .16 .16 330.30 226:lr 2320. CC- .11 .15 .15 38C.30 220. 6*2 3EC.30 1 MAX TOTAL INFLOW: 31.62 cis rlAX TOTAL OUTFLOWo 31.45 cis MAN WATER ELEV.. Z63.4V T t Ab wwi-AReD TD rm MAX STORAGE VOLg 25007.46 � ft-- 5M -44 'RW R!EA- RETAINED VOLUMV 195.22 + t -Z t� Ou TV 1 ow WIS.! 40T 4- 0 -000 '200 9 02 1200 15M 1202 2LQQ 2420 KDO TIME (min) _. . ****************************************************************************** ��WINDS�R'PLACE HYDROLOGY(]J�iOFFE) '��^ ,. �a��:x **************4***************************************************************** POND NUMBER: 1 PON� DESCRIPTOR: BASIN � v POND SHAPE, IRRE�ULAR (Based on � T�TAL' INFLOW VOLUME: 16271B3.52 ft3 elev/st or- ags as input> CORRESPONDING ELEV: 414.68 ft POND BOTTOM ELEV: 385.4� ft --------------- POND DISCHA�GE --------------- TYPE HEIGHT DIMEN 1 COEFF 1 COEFF 2 DIMEN 2 2 385.41 �t 24.00 in 3.270 .620 N� 6 389'79 ft 60.00 ft 2.950 INITIAL WATER ELEVATION: 3G5.41 ft EVAPO-TRANSPIRATIOW LOSSES: 0.00 cfs --------------- FO�� ROUTI�G �ATA --------------- N� ELAPSEC TOTA� T�TAL DO#NSiRE�M WATER STOR�GE TIME I��FL�� O�TFLOW OUTFLOW ELEVATIOW VOLUME (min) (cfs) (cfs> (cfs) (ft> (ft3) 300.00 0.�0 0.0O 0.00 385.4� C.00 N� 360.00 . 41 .24 .24 385.48 2�6.9G 420.00 2.10 1.45 1.45 385'84 1804.36 480.00 8.19 6.62 6.62 3G6'75 36�S.84 N� 540 00 2O 0G 18 78 z8 78 38G 11 11426 00 600,00 33.08 31.94 31.94 390.01 1�829.58 660.00 37.84 37.67 37.67 390'0�� 21394.60 N� 720'00 3�.24 37.3S 37.38 390'�3 2131�.52 780.00 33.91 34.21 34.21 390.02 204�9.52 840.00 29.03 29.40 29.�0 389.94 1�138.71 900.00 25.53 26.23 26.20 389.5� 17478.35 N� 960.O0 23.95 24.41 24.41 389.0� l5376. �6 1020.00 22.S7 23.20 23.20 388.�1 13�57,�6 1080.00 22.02 22.28 22.28 3G8.46 128B0.0� N� 1140.00 21.21 21.28 21.28 388'34 12363.51 1200.O0 �... '..... G 20.36 20.36 388.26 12019.63 126O.00 19.35 19.43 19.43 388.�7 �1670.2� N� 1320.00 18.61 1G.66 18.66 388�. 10 |1383.97 w� 1380.00 1E/. 06 18. 10 l8. 10 388.��f 171.35 1440.00 17.59 17.63 17.63 388.0� 109�5.31 1500'00 15'77 15.99 15.99 387.87 10320.79 m� 1560.00 12' 19 12'60 12.60 3B7.57 9111.33 1620.00 7.45 8.24 8.24 387.01 673B,37 16B0.00 3.G3 4.43 4.43 3S6.40 4182.49 N� �� . 1740 00 . 1 43 � 1 86 . . 1 86 385 94 ' 2230 4. ' 1800.00 .19 .53 .53 385.57 655.47 ~ ' ' ' '- �� , 0 00 ^ ' , 04 ` �04 `.�,".' �385 42 �, �.. 44..74 �� `� ��` ^ 19�v`�k) . ' 0 00 . ' o 00 � . , 0� (}� . . � 3G5 41 ' 2 43 ' Fr;• x .r•!•'i"?..3j• # # ii' :3• # +£• -'1F• 3� -1� •3f' .Yc W.- .'x'•;i..k. •i f•'ii' 41 -!t• �f"iF•t2 :vic .;�.... .:c..X f-• -• -Ji'r •ti 'fi #• .h-.::: si-'•'.✓r :'.- -t .;r . ;.� .:j..>;.... _.c+r -!.''a• .s•'i' yi• -,, -tF .yc u W I NDED'uFc PLACE t i . '•UF1= E : .HYDROLOGY .::. .y!: .jy.tt.k'. .K. ;{ :c 1 .y__R. i•...4.. .;:t: x� �' ili _ _, ._y ('_ • :r _ - . _ �_' . '_i'•_ _ _ _, 't_%. `_I -1_ _ter: r_�� _ Jai :. '• + d ��i• L . .! l [ f'tl r� : T :_ T l- I I •I F L CHA � — v1-iX TOT AL OU i f-L'C'i 43� 11 I''j t=t .: I.. [ V :..7 1 1"l i1 t. { i " L O Nd Hj-1 .". •� 14: L_ 1 T _ 1 i ( _ I i i a I 1 i _ 1 i 4. L:.iu i+.a • � {uv 4iu S� ...: �l a. :. ..: ..J 1 .. fir train { I I ' j I I p1,r��! + 5 terry .•1 , c - ' ' ************�******************�**************************************+!*****e***i �NWINDSbR PLACE HYDROLOGY (D. OFFE) Page N�POND NUMBER: � POND DESCRIPTOR: POND #1 F/ 3�" PROP. CULVERT %: D POND mHAPE, IRREGULAR (Based �� slev/storage as �� T�PE HEIGHT DIMEN 1 INITIAL WATER ELEVA�ICN: E�APO-TRA%SPIRATIOM LOSSES: m� --------------- vv -- P01,47_, STORAGE ------------'-- on TOTAL IHFLOW VOLUME: 1627183�52 ft3 ' ' input) CORRESPONDING ELEV: 414.68 f+ POND BOTTOM ELEV: 385.41 f� ` POND �ISCHARGE COEFF 1 in 3.270 385.41 ft 0.00 cfs C�EFF 2 DIMEN 2 .620 ELAPSE� TOT�L TOTAL CO�NSTRE�M �ATER STORAGE TIME INFLCW �FL�W OUTFLOW ELEV4T�C� VOLUME 300.00 0'00 0.00 0.00 3G5.41 C.0C 3b0'00 '41 .41 .41 3�5.�1 �.00 420.0C 2.10 2.10 2.�0 385,41 0.�0 480.00 8.19 8.l9 8.19 3G5.�1 0.S0 540'0� 20�0G 19'19 19.19241.89 600.00 33.C8 32.15 32.15 3O6.29 3715.G2 660'�0 37.3� 3�.67 37'67 386.64 5196.83 720.00 37.2� 37.38 37~38 386.62 5116.67 78�.�0 33-91 34.2� 34.20 386.�2 4266.22 840.00 29.03 29.4� 29.40 386.12 2978.27 900.00 25.53 25.66 25.66 3B5.88 1977.50 960.00 23.95 24.02 24.02 385.77 1537.04 1020.00 22.B7 22.�2 22.92 38�.7C 1243.�9 108C.00 22.02 22.06 22.06 385.�5 10�0.79 114 21 1.25 385.�0 795.60 1200.00 2�.28 20.33 20.33 385,54 �48.55 1260.00 19.35 1�,40 ' 19.40 3G5.4G 2�G.�7 1320.00 1G.61 lB.68 18.68 385.42 57,45 1380.00 18.06 17.97 17.97 385.41 0.00 1440.00 17.59 17.50 17.50 385.4l 0.00 1500.00 15.77 15.68 15.68 385.41 0'00 1560.00 12.19 12.10 12.10 385.41 0.00 1620.00 7.45 7,36 7.36 385.41 O.00 1680.00 3.83 3.74 3.74 385.41 0.00 174k' 1.34 385.41 0.00 ' 1800.00 '19 .l0 ' �10 385.41 0.00 MAX TOTAL INFLOW:�_�. .� .cfs�`' OUTFLOW: r;�-`38�03 cfs . � ` -XI. x W_ _yr 4' -4. _X*_ _X ..'k -A. �. M.. Ak'_ At. 4* W N D'S'D R F! G%CE HYIDRGLOG'-( (ID. OFFE) U; M U3E "Y"I X 'D U L_ R E i A I IN E D V OL U ii1 E TI i F! .1 i Lr t I N.M vM N�WINDSOR PLACE HYDROLOGY (D ' '- ******* POND NUMBER: 5 ' POND DESCRIPTOR: WINDSOR PLACE POND --------------� POND STORAGE --------------- PON� SHAPE, IRREGULAR (Based on TOTAL INFLOW VOLUME: 107142.43 ft3 N� elev/storage as input) � `` CORRESP�NDING ELEV: 410.73 ft ` POND BOTTOM ELEV: 333.30 ft --------------- P�ND DISCHARGE N�TYPE HEIGHT DIMEN 1 COEFF 1 COEFF 2 DIMEN 2 1 3G3.30 ft 2.00 in .620 i 325'78 ft N� � 388.26 f� 2.25 in 2.50 in .620 ' ^ 390'73 ft 27.00 in .620 .620 N� IMITIA� �ATER ELE�ATION: ��E�APJ-TRANSPIR�TIJN L�SSES: 3G3 30 0.�0 ft cfs -'--..... .... ---- ..... ..... ..... .... .... POND ��UTIhG DATA --------------- ELAPSE� TOT�L �OTAL �OWNS�RE�M WATE� STORA8E TI�E INFLOW �U�FLOW OUTFLOW ELEVA�IO� V�L��E 180.�0 .01 0.00 0.0� 3G3.3� 3'58 240.00 .26 .02 .02 383'31 �39.84 360.00 �'00 .15 .15 385.31 6.69 6.69 3�0.99 165�3.09 �� 540'00 2.8C 2.85 2.85 390.S2 15748.93 600.00 1.96 1.99 �.9� 390.78 i5571.32 660.00 1.11 1.�3 1.73 3�0.77 1551S.50 N� 72D.O0 1.44 1. 46 1.46 3�0.76 15462. 02 780.00 1.38 1.4O 1.40 390.75 15449.70 840.00 1.32 1.33 1.33 390.75 15436.78 N� 900. 00 z ' 25 1 . 27 1 . 27 390. 75 �5423. �8 1.20 1.2C 390'�4 1�408.74 1020.00 1.19 1.20 1.2O 3��'�5 �5�1�.07 1080.00 1.12 1.13 1.13 390.74 �5394.92 N� 1140.00 1.0� 1.06 1.06 390.74 15379.39 -- . 120�.0� .97 .98 .98 390.74 l5363.54 1260.00 .97 .98 .98 390.74 1536�.38 1320 00 �G 99 9� 39� 74 15365 17 ' ~~ 1380.00 .�� .91 .9i 390.73 15348.85 1440.00 .90 .91 .91 390.73 15349.44 15�0.00 0.00 .74 .74 389.63 l3071.44 156^.00 .00 0.00 ^42� ' ` ' .42 387.73 914G. 0�� 0 ' 0.00 , �^ ^ 'd��''- "~ �.� �.76 �- 387.05 774+.- .. ` , *_lt -AL -it 4t L _Q T iN'D SR C4'—r,' PLACE AAYDR"OLOGY 0 F RE F'-" a q .3(7 8 tD C i C 4 -3 7 '.4 71 Z 1 -5 1 -7 85 1 tJ 2 �j 31 4 IC-11 U 3 i 4 AP- kj�j k .... .... .... �j J. C, 1. 0.R 1" 1 L__ I i "I L LJ 4�4 i V 7 0 1.3 L7L.3 Q 2 Cj ja 1 ':! Eli D Elj I El 0 12, 1 c13 0 7 —,t E4 n c- ts i T t— . .... .... rj.. 2 COMPUTATION SHEET--, j06 NO �'�' U J DATE-' SHEET' •OF 11 ��`� _ ESM It1C.-. y JOB NAME` ,i - ti* ft �ti ti -A T -t A CIVIL ENGINEERING, LAND SURVEY; AND PROJECT MANAGEMENT 'COMP BY.?' � �/TYd .CHK.. BY, CONSULTING FIRM:j. 451 Southwest 10th Street., Suite IM Renton, Washington 98055: CONTENTStt (206) 228-5628 - - d -- - - �lll1.V , -�: .- ... - - -- - - - - - -- - 1 - -- • . 1 .................. :- ..:..:...:...:..... ..:.. - --`_: n i--•• -•--- . - ........:....:. - • • �A-5fn1-:..Z:..:_:- . :front. _:I"��f_�=:_: _ : • ter- oo. -...cls. - ............... ?5 - _.... - - _ r • • ��.�'3 y'S° S� Z%2 D y3 s, V. COMPUTATION SHEET' �'OZ� �✓ " f JOB NO e DATE JOB NAME .. , ..� "COMP /.. A CIVIL ENGINEERING -LAND SURVEY, AND PROJECT MANAGEMENT' BY =yCONSULTING FIRM6- ?'451 Southwest .tOth Street Suite 106> Renton, Washington 98055' CONTENTS: ,.• (206) 228-5628':?;.'. • � . Ir ..T: - t..Y r .SHEET'_I - 7 CHK. BY I -.04 5W7. 6- - 0. °> s l ow ............... -------- _ ..�3 i SS ` Oh - . ------------------- vx D. w . .. - dd _ ; A -= _ .C.. N.. itE ). . - .`rya- -- -�-- -- - �kScIrl� - � -- --.-- �-- � - - ; -• - - - - -- - : : : -• - -- -- - _ ..- on -4 - - -...................._ _fi 1Z� r - 3:Cv.- ?`? W 7! 4 NLGDF F` L 1�' Luo L; jF. - c 11i .... . ... g e 40 4z. * .-k * _31. +44, i, -h. 4- 4- -.4 fri: _x_ t_,sa.: e I U . A 'C:_; C. L E jNIG Tr -I 0 ij i E L Ci 'C' t t/ _a, 0 L M, k�Lj!_j_ 1*11 11, 13 :7 'T" n �/72, 3 _X Types. 4 r e s t Mead ow Ne ar 1 y E? a r GrOUnd` 17 Zi I Lis v, n Til 1 -:k g C-3 Way C.) -A r- .4t st u, F &2 Lawf t �..l L. L �� ` WINDSGR PLACE H�DROLO8Y D OFFE (� ` ' . ^ Page ========== BASIN DATA BASIN NUMBER: 3 BASIN DESCRIPTOR: BASIN ~-IMITIAL TIME CONC: 10.00 min �AS71,' AREA: 14'83 acres SCS CURVE �U�8ER: 84.000 --- WATERCOURSE TYE SLOPE ."ELOCITY 0�1 ��2 535.00 640.00 1 5 5.00 1.l3 .56 1.59 ��TlME CONCENTRATIJN: ..... .... ..... .... .... _.... 32.63 min _______.... ..... ______________________________ BASIN NUMBER: 4 ..... ................. _____...... ___ BASIN DESCRIPTOR: REMAINDER 2&3 (PROF) N�INITIAL TIME CONC: v� �0.00 min �ASIN AREA: 15.55 acres SCS CURVE NUMBER: 83.000 --- TERCOURSE LENGTH TYPE SLOPE VELOCITY (ft/s) 1 535.00 1 5.00 .56 2 640.00 5 1.13 1.59 TIME CONCENTRATION: 32.63 min N�BASIN NUMB-R: BASIN DESCRIPTOR: INITIAL TIME CONC: BASIN AREA: SCS CURVE NUMBER: ' TERCOURSE TIME CONCENTRATION: V� 5 SITE DE�E.(PR-OPOSED) 16.00 min 11.22 acres LENGTH (ft) 16.�0 min � SLOPE � VELOC��Y (ft/s> *4. 'V'I'l N D S R PLACE 1-fY 11) R 0 L 0 G D OF F E �' Pa g 4', 4.-...S- 4- 4_;I.-.k, 3�- 4. k,* -X- r7 1 17 i; 7- IZ' T 1 r- C L; 3...... ..... . ... . . . ..... . . - D i E--, -7 1 t V 14 r-i i il- i-"'. 1 P4 T j 1 ;JIJ E IR uUGT' !---T .. I -L fa IJ I 1—, 0% k�j r- I url 6--7 -.? 2. !D 3,�'7 1 1 O'D 31 4 ::L -t' CSC:-')* 'iRGE 17OR OUTLET '7- El.- ir-_- VA 'T" 1 C-1 1, I-j 1 SS C I i ************************* WINDSPLACE1-11YDROLOGY (D. OFFE). 3- 1-00 Page ��k. -X: -X.�� N� ELEVATION DISCHAR8E (ft) (cfs> 389.79 0.00 391,03 245'73 N� 392'2G 695'04 393.52 1276.86 394'77 397'26 1965'86 �� m� 401.61 3611'5� 7195.2� 405.97 11517.99 N� 410'32 16469'7� .4. 21978.94 PO�D �UHBER: 2 POND �E�CRIPT�R: BASIN 2 �»\ N� ...... ..... .... -.... .... ............. -.... ..... ... - POND STORAGE --------------- POKD EHAPE, IRREGULAR (Based on TCTAL INFLOW VOLUME� 147407�.8B ft3 elev�storage as input> CORRES7�NTIW6 E�EV: 401.17 ft N� POEV: 384.35 �t ELEVATION (ft) ST�RASE (ft3> �~ ^ 35 0 00 383.00 83943.0� 74:90� 7�7 ]xT ..... ..... ..... ---... ..... ..... ..... ..... ..... .... .... SCHARGE --------------- 0� TYFE HEI8HT �IhE� 1 COEFF 1 COEFF m� 2 3S4.35 ft 12.00 in 3.270 .620 6 386.30 ft 80.00 ft 2.950 N�INITIAL WI TER ELEVATIC�: 384.35 ft m� EV�PC-TRANSPIRATI�N LOSSES: 0.00 cfs N�ELEV�TION/DISCHAROE FOR OU�LET 1: ELEVATION DlSCH�RGE � (ft) (cfs) N� 384.35 0'00 0,00 384'85 �� 385 10 � 1 35 yq 6 . | �`-}_7 f 2 #� s-7 �*] �� 37A 15',7&377, 73372-� ^ . 1******************************************************************************** 1.41NDS30R.PLACE�HYDROLOGY (D.�'OFFE) '� ' a .. ******************************************************************************** 399.61 N� 406.49 18'18 �� 413'37 20'87 ELEVATION/DISCHARGE FOR OUTLET 2: ELEVATION DIHARGE (ft) (cfs) N� 386'30 0.00 387.65 371.63 389.01 1051.12 390'36 1931.04 ~~ 391.71 29�3.03 394.42 5461.80 399.1� 10881.64 �� 403.90 17419'04 40G.�3 24907.�8 413.37 33239.�7 __..... _______________________________________________... ..... ______..... ..... ______________ N�PONJ NUMBER: 3 P�ND DESCRIPT�R: B�SIN 3 --------------- PON� 3TC�AS� --------------- PON� SH�P�, IRREGULAR (Bas=d on TOTAL I�FLOW VOLUXE: 147�074.8G ft3 �� elev/storage as input) CORRE3?ONDING EL��: 401.17 ft POND BOTT�M ELE�: 38�.28 ft - N� ELEVATIO� STORAGE (ft) (ft3) 380.2G 0.0O 3B4.00 33660.00 N� 386.00 109196'O0 388'00 289174.00 m�TYPE HEIG�T DI�EM 1 C�EFF 1 2 380,28 ft 36.00 in 3'270 I�IT�AL WATER ELEVATION: 380.28 f� �VAPO-TRANSPIR�TIOill LOSSES� 0.0� cfs ELEV�TION/DISCHARGE FOR OUTLET 1: N� ELEVATI�N DI5CHARGE �� .'.. . COEF� 2 DIMEN 2 �c+s/ 380 28 8 00 ^ N� 381'03 �� *********************�*********** * N�WINDSOR PLACE HYDROLOGY (D.. OFFE) ��4�� 381'78 12.35 N� 382.53 21.04 84 384.78 60.92 389'30 96'46 ' 398.35 143.15 402.87 161.51 1E. FOR ��TLET 2: __.... _... ..... _------- _______________________________________________ P�ND N�M8ER: 4 PO�D DE�C�IP�OR: FOND #130" PRDP' CUL�ERT L�� PON� SHAPE, -----... ... .... -..... ..... ..... --- PDND ST�RAGE --------------- IRREG�LA� (Bassd un TOTAL INFLOW VOLUME: 1474074.88 ft3 elev/storage as input) CORRESP�ND�NG ELEV: 4S1'1ft PON_U BOTTCM ELEV: 3G5.41 ft ELEVATION STCRA8E (ft) (ft3) N� 385.4� 0'V0 `' JJ/ 39�.00 345120,00-2\9Z�� m� --------------- F 0ND DISCHARGE TYPE HEIG�T DI�E� 1 COEFF 1 2 382'95 ft 30.00 in 3.270 INITIAL WATER E�EV��ON: 385.41 ft EVAPO-TRcfs ELEVATION/DlSCHAIF, 1-3E FOR OUTLET 1: N� ELEVATION DISCHA�GE ' COEFF 2 DI�EN 2 .620 T SS 9 i-i D.j . ..... ... ro �j 1 -L Cl 1+1 T C. 7 30 2 .... .... ... 71 n 1 4-0) r.CT ... . . ..... ..... .... .... Ty IS10,91 _9 t, T ED 4i. -X, ir7 4;.. 4L Wii- 4� 4>. ..3.. �' 4- 4L, 41,..1..4.A. C9 -j -I C) 1 M M �D 11 fl, 1 — —1.- J. _j 'j0 S .-L -'-N- 4t..k- oo '' ApY '----'-'— -------------- -�--r------------'------ � ' ************************************************* �� WINDS�R PLACE HYDROLOGY (D.' OFF E) Page ******************************************************************************** ` .�� '�.�. 600— 4400 Riser Inflow Curves Legend W.ir fl.,. Q..-9.739 0,H'/Z Orifice flow. 00-3.782 Om L V/ PA twt 14— EEFETt 1004 so 50 IXIV 40 Z 30 c; zo Y- P: 10 4 —III T- .2 -T Ell f CLI 02 0.3 0.4 0.5 CIS QB 110 ZD 3D 410 5D 6D 8D 100 A Im, i eas ed ire— emst of r-SW Source: USDA-SCS Mare i.,/on 111-73 -7—TZ-77-7 a7W6ia M& mir6Ahmeaimi � i TABLE 1 STORAGE REQUIREMENTS FOR MULTIPLE ORIFICES AREA Type* an Number of - ear Design Storm - ear esign Storm Peak Storage hTax mum Storage Peak Storage Maximum Storage Outlets Time(Minutes) Volume (Cu.Ft/Ac) Time(Minutes) Volume (Cu.Ft/Ac) Seattle/ One T = -25+ 1162 Vs = 2820T - 40QoT T -25+ 2138 Vs = 3420T - 40QoT Renton 0 T+16— T+25 Seattle/ Two T - -25+ 70500' Vs - 2820T-29.9QoT T 500 a -25AK Vs - 3420T-29.9QoT Renton 2T. qo T+ i l o T+25 Seattle/ Renton Three T - -25+ 70500 26 4Qo Vs - 2820T-26.4QoT Tom- T a -25+ 85500 —267410o Vs Q 3420T-26.4QoT T+'25— Seattle/ Renton Four T = 70500 -25+J-2 :fgo Vs - 2820T-25.1QoT 7+25 T - -25+ 85500 2,.T�o Vs,- 3420T-25.lQoT TTM Seattle/ Five T - -25+ 10500 Vs = 2820T-24.1QoT T - -25+ 85500 Vs A 3420T-24.1QoT Renton Igo T+�� * Orifices with equal head pressure between adjacent orifices. M.Tseng/L.Gibbons/7/19/85