Loading...
HomeMy WebLinkAboutSWP2717741 DRAINAGE CALCULATIONS FOR EAST PARKING LOT ADDITION YUKON OFFICE SUPPLY RENTON, WASHINGTON PROJECT No. 1386 BY: DENNIS DONOVAN, P.E. BARGHAUSEN CONSULTING ENGINEERS, INC. 6625 South 190th, Suite 102 KENT, WASHINGTON 98032 (206) 872- 5522 CiTY OF RENTON JAN 311 1985 BUILD] NG/ZON! NG DEPT. I / �. A. AgGy yF WAS 9G � 79424 �+ �isrea S/ NAIL V �!38Ca DRF�iQAGF_- GA= LuLATIO IJ;, DoV,o 000 = PRO TF:GT �E ScRt Tr0)I �L F�T�RE DE-TF7 .j iorJ GA_G S IZ $ CHARTS TA3L-E ba �E 173MC ST J _. -- J p ✓� n � Na v1 �A � v � 'C� n u J V 1 -1, A '. '� 1 O 01 : 41 S ••1 n 1 1I o 111 i ,— J r 01; %r, o/� Sso1 51.E-r n 0 1. a i a S' 'r, d •'! �' O '7 Q_ L �+ .1 IO P G� r n •.M a 1� o n O 1 S }- M p 11 C '^ O -� d c _n n 3S o n: r, a '`7/ 2 ✓ .i J- it d a� 1 i el '-I % :. (I�7 n J `C7,i, 1 N O �J U In 1 7 1 I .. -1 ,_ r• .fir �r� o c a nti n ✓ 1 �n '�YII �-.-.��. r; �; -� O_ ;n rS: ino'.L�_ aiJ... ace ..qt•o ,,p fc :� a'^1.� nq1 Nc ��'� �O�o CMliaonvaJ vi. � }Ir:J! Sa1;�Or,✓I ��a�.oad s.V1 riC)11.�1��7.�� �•��102�d � Z Z AL, IZO(o DRA,�JAGE yvkpH Svppiy R �cN GAL- GVLA—►ow �• �OY OVQ v4 / JE`E�!�l�hl PIPE 67-DFA(-r1= — loo eon ev 1"G.e ucre.�e� 'glow p e,nero l to� 'rrOw '1 �P p�°o V� c o�•�'e� rrCwtvrt yvo 3. Z 16 tovw� Trove 7LR]C rnh G Ev S�� see GNART I) xxx a W Ott Nq T, tee. 000 —0 1- hP • p lOW T;w Q r JJ 3�8 CIC _ ✓O.1pS „ z Wgype= C7. 14i3 viC1� - D 14 b ✓ G�'S GR %F�'rv•e 1 rl (F L I V r e) � �• �1 O• Z(o� G�S � a c� See ,D.C)")/I�.' R yi.. CETE QT MJ FI E- G70RtV `•_- cd ✓ "1 Z_ �.. O, d Cvo;�e Moy,w✓w �lorate `%dYVt� 2 (02r Acre. _ �pevVio�sme �J s b JS (sec Tf o 7- _ 40 007- = z P�Slo, $� _ ¢O(o. T' rZS 000 � v 2 �!E L rT lk iikl�curb. PDr ',Arddtwts Dow.- .,Z/ Z/1 .7 sa Ex 0'14. I.E. = iolm (12- W) F'U T. LY PRE - ----- Q-MT-.- I.E. = 9. to ... 1018 LF EX. mSD 7 0 Rim 17.76 E x St.: Overflow I" 7 1. E. 10. 56 Gr 11014,*j pe: 1. E: 9. 36 (12*) 1. E LE. 9.06 (10% o e rmmma n Rieplace Ex. flee With Now 2-131:4_44MC6 too one - 7"Ar"' iWat. As To'kem In St. Floe "Ycl.'Asa d 7R ifn no f �RA,fJA(.E t3SLo YVKJY O+ rri LQ LVKKI R �v o✓ �.l%•.�•v 10 GALGIJ LA7-10 pJ DETE►J-r ►J PIPE- STolQAGG S E GT-. A r , S E CT O I �.� 0 N S E c.T, N SE cT. p v V6'vq llvevv Euol Ave- M.1 �oo� J F✓1 ✓rC Fx'sT'Nq Vol�wf- Vol vwe A -S o.z,13 1.97Z S - L zo. coo 11D . 9Z C- - Q I . (,8 1 b8. 40 G, G ONE✓a.� I� z-Z.z4 = zz1 ffi�f SEC-T. E -€ ic,tog Z4u� �-t St 3�7j f �7 /Q�yc• �t Vo�v�«e �C2pv red �T V-r 7 , s'j"or•�t Vol u►.•e Avo��okjlei VA ' O. C) D Utz 1 O, o o 4t2 O.O>3 ;t2 I 1.1Z Olt I ." a --t-c 1� .cz O 4-t O. o o 1 0. o o +Z �o-bS'o) -, b + - ZQ 3 ' 0) 17 }-' g -b 3 ' O - / C7 -t, o + (? -b I • p = s�.0 Ci _ CZ) °" 37r.5 37i-gbi�b3� f - I - --- vr.no Hv Q •Q -- - 7 (YOB_,. d �' n7 '1 d 7°�-k��,•=t i:;�ldns 3����p no�nh --- - NO ' ` saw �W gym.. 'oou �o �Z= oo� TT� Ic Vt 13 S Ln 1 1 GA GC.-R , E X ISTIQ u" 1iIQAC- - C./;_cvLA.T"1,)Ji v G y "�E7av 2 F02 T7-1-� U/� C.LEy �iVO�sTr�f+L. �u/c.r�i.t�G, l`�t=f.Pi9iPEd `cat ; %/�g�9s /q f .✓�v {� ��.r'UGi.9 7�s 9i9 iz yam- i9�E N� . E c.4_r—t V u C, ct'IA 9 90 0 STEPAN & ASSOCIATES, Inc. 930 South 336th Street Federal Way, Washington 98003 927-7850 682-4771 I Project VoL LY InIGtAS7ft^L. �LVC- Job No. 7000.'% Subject Co-P-J —Doted � Sheetiof % Chkd. Date P/1�V/c7us L.�. �✓� � . ,.P�p wig /}..J /�.or.. f T2✓.�- L. 6yir j/A/(e .�u�L oiv� /9�,.0 771� /✓��.J Lee=�✓��✓ E�C��.ipi�✓G Tit -�CIL/T1 727_ ACLC-y �'�✓�T/'i ` '' S vl oL,,rL y of2 y.a-J G3� TNT ,S'�i L� /�...v �Gr%�/�.�✓OE� �f/O`r/ ,y('C: •../!� O��c/C�v/'c /r ,riiivrsJ ftS LvT' .f /.�G/iC.,r: 2/ �ivf�v.J / ,�u2ci,...C� rvrJ / S cc,�zz--✓rLY coc/F� cr-o wrrh/ Gi�✓pG t/L�c-v�60 �}i✓o T�i✓.o E.�✓1T.L✓(� ,Qv�L.�.�✓� r1 v�✓ 7�� 7t CE�7Z5r� o.e-' T tvurN /Joy-✓o y�tY .9r �1,ov �.c r' o, s� di,e--s17z! C it /".-J/6.vrf i s ti T STEPAN & ASSOCIATES, Inc. �€ 930 South 336th Street Federal Way, Washington 98003 927.7850 682-4771 Project ����� NOu r�/Z r,4 t� �(OG Job No. 7G00,7.5 Subject Comp.&--Dote� 3 Sheet-Lof J Chkd. Dote Iwrou O(Ywr. t T E 7-v7-�4 L_ i9.zC� vF 7&S CA LL- Urc c L)r - 5/ 9, .9C,L (t3 , Or 7 + 15 Tt) n9 (- 2 . / z A-C 2E.s .; C�-- 12 %&S DES/ c..,.J Fv2 r 7-04, q C Lc- f tJ•E 77-� EX/ STi.,/C. �uiLa��✓` --y T .9 co�.c oil- O, 9 C� _ Etc: Fv2CY: 77t�L- GAF •>� ��i-✓C. f2 C/-j /1�-��-t i.2 {� Fob Is S iT� A,/ /3E f%C CSC rT1�c of ,¢F�v� r ect.A2. �� % C O.� Ca✓S�✓7�� T7 �-.� F.co,.-, /✓uJ ccx�✓cs 7T--) Ew: n— (.w SS c.� Ali'✓6..,�..�r ° �)p. ��i� L fist H C rt✓k1 T) STEPAN & ASSOCIATES, Inc. 930 South 336th Street Federal Way, Washington 98003 927.7850 682-4771 Project��«CY /Ny� 7i�r�` 13�e�C_. Job No. 7CX-1V,7� Subject Comp: Dote' J Sheet.. of 7 Chkd. Dote L_ . tE y.Tq-4Fl /-,/ar,.) ids = z,9 2 tD T — �fv f�T _ (aBzo)(S3 ,�Z) T t z� S7.3Z1 Z� "�`�"��.' 2��57,37� : 1367, 5r6 V7 = VS xA = Q-3(-7 YL)(1e)) = 7Zy-7s Ff' Sit- "4 C-dl- 1J;S /ri Ch l c>�r� *0'P/ O-t/ S/ 7ZC- �o ,.�o�•✓c� �� i� s/7Z� �ieA�i�/G. �q-•i.p .l�i2i9��,//ivE /vvy„>, ii 1/OLUr✓I E /Ad t-,-->T /g--147 /.S"; 0 eal.' cc-o o-•J yoo+/y9��_ �,ft3 3 'Vyz'Y o f} 3 57-0rc^G,L (LLqL4-1 f=CD .2 'V'7S f tJ n2r�ic� S�� e 4R Z. c7, "7 CL ,29h 313 f�-z rr v IT STEPAN & ASSOCIATES, Inc. 930 South 336th Street A Federal Way, Washington 98003 927-7850 682-4771 Project V4 Ll- — M ( A L OLM . job No. 7JVo ��75 Subject Comp._Dote 1�—�� L80 Sheetyof % Chkd. Dote o.� siTL C-7T- ra 779t G,F} T C -- H TN /+�i , ,✓. � = (a r� .J , ASS 4bi ` 4--9 sT /z 2'' C77 R C STz i c ji7 Z, (-9)�Z��� ��� - 7 zC.C- C-- "" Jl� /2'e C^-Y d—P z. 5`'10 = 3. 7 G,f :. OK. STEPAN & ASSOCIATES, Inc. 930 South 336th Street Federal Way, Washington 98003 927.7850 682-4771 Project t. I.LY -T'✓0VSTX-1A L QL.dL Job No. 7000, 7)� Subject Dor-p.s�7 Dote / 3�ko Sheet.�- of 7 Chkd. Dote �■■■■■■■■�■�1�1111� �■-�■I �■�%■III/I// ��■■■■■■■IIIIIIIII�I�■//■�■■�%Illllill// ��■■■■■■■111111111//�-�■/■■/1111►,1111� ���■■■■1■IIIIIIIIII/�//■II■■%■111�111►,1� �����1111111111111%�_!�/�1/lii�lll�ill� y�II I / ,1 :II ���������■�Iil'I■■■■■������/��/III"I■■■■■�■■� �■■■■■■:�%■■■�■IEyI��/!��■e►IRS /■■■■■■��l■1� �■■■■■��i■■■�11��11!•�'�I�I■1.©;�i"i■■■■��■Illllr ��■■■■7■■1■Ili%111�/F�/��'/i��■■■■11111111� ��■■■6I■■1■l��1111�l��/�;��I■■■■111111111� ���■!DI■It1��ililt����/R��■■■II11111111� .� ►� ��� ,/ �1 �■II■■i/1■■�I.11■11/1�/�I■■■■■■■�■■�11111� ���■■►I■■�1■II/,IIIII���■■■■■■■�11111111� III ®■I,■■�%111�11111/� �■■�■■■■111111111� ■ Y ■N ■Y■■■■■■ si TABLE 1 RUNOFF FACTORS FOR STORM SEWERS FLAT ROLLING 0-So > S % UNDEVELOPED LAND Wood $ Forest . . . . . . . . . 0.05 0.10 Sparse Trees $ Ground Cover . . . . . . 0.10 0.15 Light Grass to Bare Ground . . . . . . 0.1S 0.20 DEVELOPED AREA Pavement & Roofs . . . . . . . . . . 0.90 0.90 Gravel Roads & Parking Lots . . . . . . 0.75 0.80 City Business . . . . . . . . . . . . . 0.85 0.90 Apartment Dwelling Areas . . . . . . . 0.80 0.8S Industrial Areas (Heavy) . . . . . . . 0.70 0.80 Industrial Areas (Light) . . . . . . . 0.60 0.70 Earth Shoulder . . . . . . . . . . . . 0.50 0.S0 Playground . . . . . . . . . . . . 0.2S 0.30 Lawns, Meadows & Pastures . . . . . . . 0.20f 0.2S Parks $ Cemetery . . . . . . . . . . . 0.1S 0.20 SINGLE FAMILY RESIDENTIAL (Dwelling Unit/Gross Acre) 1.0-1.5 DU/GA . . . . . . . . . . . . . . . 0.30 1.5-3.0 DU/GA . . . . . . . . . . . . . . . 0.35 3.0-3.5 DU/GA . . . . . . . . . . . . . . . 0.40 3.5-4.0 DU/GA . . . . . . . . . . . . . . . 0.45 4.0-6.0 DU/GA . . . . . . . . . . . . . . . 0.50 6.0-9.0 DU/GA . . . . . . . . . . . . . . . 0.60 9.0-15.0 DU/GA . . . . . . . . . . . . . . . 0.70 18 r 17n RF.TF.NTTnN/nRTFNT RACTN RnTTATTnNS 10 YEAR DESIGN STOR:(FA YEAR DESIGN STO AREA TYPE OF OUTLET _-.. ORIFICE WITH HEAD PEAK STORAGE MAXIMUM STO5�j!- TIME (MINUTES) VOLUME (FT1,A3 PEAK STORAGE TIME (MINUTES) MAXIMUMG VOLUME C5 RENTON- 1162 - T=-25+�— VS a 2820 TT=_25+,r2138 -- T 1 . vs _ - 3420 T T+ 2 5 - 40 (� T SEATTLE CONSTANT FLOW T=-25+ 142 -o VS _ 33420 T_ 60 Q T T+25 0 T=_25+,I111775 s 2820 T_ 60 Q T T+25 0 TACOMA ORIFICE WITH HEAD . - . _ � 1875 � T -25+� Qo' Vs T+253000 T _ 40 QoT 2194 T=_25, Vs 3510 T _ 40 QOT T+25 CONSTANT FLOW ORIFICE WITH HEAD T=_25+ 1-50 o 2255 T=-25+V�-o VS = 3000 T _ 60 Q T T 25 o T=-25+ 1463 Qo Vs = 3510 T _ 60 Q T T+- 0 HORTN VS = 3607T _ 40 QoT T 25 T=_25+ 2706 Vs = 4329 T _ 40 QoT T 25 BEND CONSTANT FLOW T ORIFICE WITH HEAD T=-25+ 1Qo T=-25+�_ 4016 �Y/ Q VS _ T625T 60 QoT T=-25+ 1� o VS - 43+9 T _ 60 QoT T 25 SNOAUALMIE VSVs 6T+25T _ 40 QoT T=_25+ffno�-'3 = 8020 T _ 40 QoT T 2 5 Pass CONSTANT FLOW ORIFICE WITH HEAD _._ _ __ T=-25+,f2718 r �a vs _ -- -- B20 T n T T+ - 6� c. , V S _ 6522 T_ T+ 60 QoT— 3342 T=-25+ 2603 T=-25+� �o VS = 4164 T _ 40 QoT T+ T=-25+ 3n75 Qo V s - 4920 T T+25 - 40�rT SKYKOMISH VS = T _ 60 QoT T+25 CONSTANT FLOW _ T=-254 1�735 VS 41�2 _ 60 QoT T=_25+f?2:0:5:004920 o XX .�,PANA C>= C.A! cv L-ATic)W 5 1...' , U C, VC,✓ O ,• IT. EP:ihJfiC�E PLAID Py O- �,e�s Ai Mop FTIti ; / A'MAIV U U � 74 1/ ,J br` �' +�yy�►i`I MGt Pr f�r'UI c M ItiW, 1 �. n� .r �P •' 7 wQ�f,�...� Uw t�onnfN U Isi rtilOrr. C r ru Y ► D a , 11V' rV T t� 4M w —O. A. E OA ti . � � H �µjy' Vf'w f" M � �ii • fA LA 1 " O�4ya IGO y .�. jW .� j6 i ;4 i Sm.vv" OHAlAJ w.�ft—� — A V�E ----- cr P . f i r I 4 /` ;�'li ill• •r," i `n sir `1 .,-�