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SPRAGUE E 14024 PETSMART ~ SPRAGUE E 14024 BYTE FILED ENGINEER' S REVIEW SHEET MYLAR# CANCELED AS BUILT PLANS RECEIVED BLDG. PERMIT # B95167 _95 Related File # (B9}- ~~C~/,I ,~~~,~!G~✓~ Building Dept # O Date to Review 11/02/1995 Time Review Type Comments Date Received 11 /02/ 1995 Project Name PETSMART BLDG SQ FT Range - Township - Section . 45232.9010 SITE ADDRESS SPRAGUE E 14024 / E EVERGREEN PARCEL Applicant's Name MIKE LIIMAKKA-JUB Phone # 208)667-1574 Address 1250 IRONWOOD STE 200 F, Phone r ZCQ G?-,21 CDA ID 83814 FLOOD ZONE No Billing Name DOUG MATTHEWS Owner Engineer Address HAWKINS-SMITH MGT - Address Company J U B ENGINEERING INC 8645 W FRANKLIN Address 1250 IRONWOOD STE 220 BOISE ID 83709 COEUR d ALENE ID 83814 Signed Phone Phone 208)376-8521 Phone/FAX (208) 667-1574/ Building Contact Person: Jeff Forry Ext 103 / JEFF FORRY Phone # 456-3675 Date Submitted Description Initials 10/27/ 1995 DATE FEES RECEIVED - - ~ DATE PRIORITY FEES RECEIVED ccoPY TO ACCOUNTI1~ NOTICE TO PUBLIC # 1 3 4 6 COMPLETED - OR NEEDS'-TO BE SIGNED ~ - _ j,... DESIGN DEVIATION UBMI7:~5~KATE COMPLET - MAILED fl_~ d~~~--- DATE BOND RECEIVED - BOND AMOUNT RECEIVED DATE BOND RELEASED - DATE AS BUILT RD PLANS DATE RD PLANS APPROVED - NEW ROAD STANDARDS (MAY 15, 1995) STAMPED MYLARS TO PERMIT TECHNICIAN (SYL/SUZANNE) APPROACH PERMIT # ROAD/S WIDHT/S . Sc~ u- V l -,x - ID-eS~~Yt Je 4,/e ~ l -)L0-- 1'~~ ~ fdd i s i r - ~ tf 21L . ~~G►-~ ~2~ • ~ ~ ~ ~ ~ r,-~.~ c~ ~e ~,~v~,.--, I✓w,~ )Le 47,_e7l ~ (1 oZ AX, r • - v ~ I ` PROJECT NUMBER= 95008950~- APPLICATTON DA11/02/95 PAGE= 01 ; THIS IS NOT A PERMIT . PENALTIES WILL BE ASSESSED FOR COMMENCING WORK WITHOUT A PERMIT SITE STREET= 14024 E SPR.AGUE AVE PARCEL#= 45232.9013 ADDRESS= SPOKANE WA 99206 PERMIT USE= RETAIL PET STORE - PETSMART PLAT#= 999999 PLAT NAME= RANGE BL'OCK= LOT= ZONE= B-3 DIST#= S . AREA= 00000000 F/A= F WIDTH= DEPTH= R/W= OF BLDGS= 2 # DWELLINGS= WATER DIST = VERA - ~ - ~ OWNER= HAWKINS-SMT_TH MANAGEMENT PHONE= 208 376 8921 STREET= 10346 OVERLAND RD ADDRESS= BOISE ID 83709 CONTACT NAME= MIKE LIIMAKKA - JUB PHONE NUMBER= 208 667 1574 ' BUILDING SETBACKS: FRONT= NA LEFT= 10 RIGHT= NA REAR= 35 . : *~~,t*******~**~~************** REVIEW INFORMATION*************~,t**********~*~* DEPARTMENT REVIEW REQUIREMENT BUILDING REVIEW COORDINATOR - J FORRY , COMMENTS: - BUILDING PLAN REVIEW REQUIRED COMMENTS: . ~ ~ BUILDING ZONING/SITE REVIEW Ko AVIN-1, L t C3 L.,'Z_ . COMMENT S : - , Qitn cP.~ ' K ~[?~O 7' ~ t/7 Cti?~-~Z I~j[ / E(~ . G GG IS c!~ ~'C~G~t, (ct ~GkIC . ~ SEPA REVIE BUILDING +12, 000 SQ FT ~ COMMENTS : O ENGINEERSSTE DRAINAGE TO BE REVIEWED COMMENTS: . • UTILITIES W/IN PRIORITY SEWER AREA I - . COMMENTS : C-) • F,IRE ~DISTR FIRE FLOW TO BE R VIEWED CJC~~ PROJECT NUMBER= 95008950 APPLICATION DATE= 11/02/95 PAGE= 02 COMMENTS: BUILDING PERMIT CONTR.ACTOR= UNKNOWN PHONE= STREET= UNKNOWN ADDRESS= UNKNOWN WA UNKNOWN NEW= X REMODEL= ADDITION= CHANGE OF USE= DWELL UNITS= OCCUP. LD= BLDG HGT= 26 STORIES= 1BLDG W X D= X SQ FT= 26640 SPRINKLER= Y ~ REQ PARKING= #HANDICAP= CRITICAL MAT= N , ~ DESCRIPTION GROUP TYPE SQ FT VALUATIQN STORE MVN 26640 900165.60 . ITEM DESCRIPTION QUANTITY FEE AMOUNT GOMMERCIAL VALUATION Y 3242.50 PLAN REVIEW FEE Y 2107.63 , STATE SURCHARGE Y 4.50 ENGINEERS REVIEW . Y 50.00 . COMMERCIAL SURCHARGE Y 1123.53 ZOCD-COMM SQFT-10-50K;129 Y 215.00. **************************,r~*** PAYMENT SUMMARY PAYMENT DATE RECEIPT# PAYMENT AMOUNT 11/01/95 00010671 2372.63 TOTAL DUE= 4370.53 TOTAL PAID= 2372.63 ' • ! PERMIT TYPE FEE AMOUNT AMOUNT PAID AMOUNT-OWING . I I - - BUILDING PERMIT 6743.16 2372.631 4370.53 , . ------------Y--------------- j . . 6743.16 2372.63 4370.53 ! 'PROCESSED BY: JULIE SHATTO . . i . PRINTED BY: JULIE SHATTO . *****~**.****~**,t******~********* THANK YOU • . , . . . ; , i ' ~S REQUEST FOR DESIGN DEVIATION $30.00 DATE 11-13-95 ROAD NAME CRP/RID # NAME OF PLAT Record of Survev for Safewav Stores. S. 23 .T T. 25N . R. 44E Plat # Parcel #2 ADDRESS OF BLDG 14024 East Spraaue, Spokane. WA wm 17S , NAME OF BLDG PROJECT PetsMart BLDG# B9 S T R FEDERAL/STATE PROJECT #CounV-v BldQ . Dent. Proiect # PROJECT LIMITS 95008950 EXISTING CONDITIONS: PROPOSED IMPROVEMENTS: ROAD WIDTH ROADSURFACE AVG. DAII.Y TRAFFIC Current Traffic Count Design Year Traffic Count PROJECT DESCRIPTION Block Building for Pets Store, Truck dock, access road and swale r.ZO.difications, «nd utilites modifications. . PROPOSED DESIGN DEVIATION KeystAne wall nractically around entire swale . New portion of wall is approximately 2 f.t. tall on east and from 0-2 ft. tall on the north side. JUSTIFICATION: • To accomodate proper truck traffic clearance requirements retaining wall was necessary to eliminate the side slope. SUBMITTED BY Michael R. Lihmakka, J-U-B ENGRiEERS , Inc. DATE 11-13-95 ADDRESS 1250 Ironwood Dr-ive, Suite 220, Coeur d'Alene, ID ZIP CODE 83814 PHONE # (gnp) 667-1574 ADMIqISTRATIVE VARIANCE FEE OF $30.00 PAID TO SPOKANE COUNTY 1026 W BR ADWAY, SPOKANE WA 99260-0170 PHONE (509)456-3600 FAX (509)324-3478 -7 -REQUEST WII.L NOT BE REVIEWED WITHOUT FUNDS- CASHICHECK # ~ RECENED BY DATE "o y k\plfidnign.dev 8/93 . o6icn oErIAnon STAFF REC O1VIlV1IIVDATIONS Approved Approved w/conditions Not Approved c~ O c) Project Manager ~ Date C~ -~~~f 171 ~C ~ A Y / G Appr ed Approved w/conditions Not Approved > c> c> , Project Management En/gineer Date Approved Approved wlconditions Not Approved , Operations Engineer Date SPOKANE COUNTY ENGINEER' S DETER1ViINATION: Approved w/no conditions Approved as recommended above Not Approved ( ) ( ) Spokane County Engineer Date 9/95 ~ 4i •P S P O K A N E C O U N T X - - DIVISION OF ENGINEERING AND ROADS • A DIVISION OF THE PUBLIC WORKS DEPARTMENT William A. Johns, P.E., Acting County Engineer Dennis M. Scott, P.E., Director MEMORANDUM DATE: November 17, 1995 TO: Bill Hemmings, P.E. FROM: Katherine Miller, E.I.T. SUBJECT: Design deviation for PetsMart located on 14024 E. Sprague The swale design fall outside of the Stormwater Guidelines. I recommend approval based on consistency (deviation required for keystone walls) and the swale capacity was calculated without side slope volume and still provided adequate volume for the required runoff. 1026 W. Broadway Ave. • Spokane, WA 99260-0170 •(509) 456-3600 FAX: (509) 324-3478 TDD: (509) 324-3166 . • ADDENDUM Safeway Supermarket Sprague Avenue and Evergreen Road Spokane, Washington Stormwater runoff Storage and Disposal Calculations June 7, 1994 Current Proposed Square Footage 261354 Sq. ft. Previous Proposed Square Footage 22,100 Sq. ft. 4,154 Sq. ft. • Actually approximately 1357 SF of pavement surface are removed from draining to swale 5 by the larger building size. However, 1565 SF of additional impervious area are added by the driveway modifications. • The total impervious surface area is increased by 208 SF. The total becomes 44,147 SF (43939-1357+1565). • The new swale design of 3690 SF at 6" depth provides adequate storage with the existing Type "B" drywell. See attached bowstring calculation spreadsheet. • The existing Safeway building and the propose PetsMart building both will drain to a bank of 6 Type "B" drywells. The total roof area will be 82,299 Sq. ft. (55,945 + 26,354). Six Type "B" drywells provides service for 901000 Sq. ft(6X15000) which is sufficient. o, F di 0 0,, COlO ~~'B ~ OA Q F:IPROJECTS116826-04WDDEND.DOC N . ~ 10 YEAR STORM, BOWSTRING METHOD DETENTION BASIN DESIGiV AND Al``ALYSIS, POST-DEVELOPMENT - SAFEWAY SUPERMARICET 17ME INCREMENT (MIN.) S * TIME OF CONCENTRATION (MIN.) 5 • OUTFLOW (CFS.) 0.30 DRYWELL OLTI'FLOW DESIGN YEAR FLOW (YR) 10 + AREA (ACRES) 1.01 INPUT AREA * DEVELOPED "C" FACTOR 0.90 AREA x "C" 0.91 DRAINAGE AREA (SQ. FT.) 44147 IMPERVIOUS AREA(SQ.FI'.) 44147 TIME INC. TIME INC. INTENSITY Q DEVEL V[N V OUT STORAGE (MIN) (SEC) (INlHR) (CFS.) (CU. FT.) (CU. FI'.) (CU. FT.) S 300 3.18 in/ttr 2.90 1166.03 90.00 1076.03 10 600 2.24 uvhr 2.04 1434.30 180.00 1254.30 15 900 1.77 in/hr 1.61 1617.70 270.00 1347.70 ZO 1200 1.45 in/ttt 132 1722.01 360.00 1362.01 25 1500 1.21 in/hr 1.10 1768.09 450.00 1318.09 30 1800 1.04 in/hr 0.95 1804.26 540.00 1264.26 35 2100 0.91 in/hr 0.83 1827.74 630.00 1197.74 40 2400 0.82 in/hr 0.75 1871.36 720.00 1151.36 45 2700 0.74 in/hr 0.67 1891.28 810.00 1081.28 50 3000 0.68 in/hr 0.62 1924.01 900.00 1024.01 55 3300 0.64 in/hr 0.58 1985.96 990.00 995.96 60 3600 0.61 in/hr 0.56 2059.79 1080.00 979.79 65 3900 0.60 in/lv 0.55 2190.20 1170.00 1020.24 70 4240 0.58 in/hr 0.53 2275.91 1260.00 1015.91 75 4500 0.56 inlhr 0.51 2350.66 1350.00 1000.66 80 4800 0.53 inlhr 0.48 2369.76 1440.00 929.76 85 5100 0.52 irJhr 0.47 2467.34 1530.00 937.34 90 5400 0.50 in/hr 0.46 2509.26 1620.00 889.26 95 5700 0.49 inllv 0.45 2593.16 1710.00 883.16 100 6000 0.48 in/hr 0.44 2671.59 1800.00 871.59 •'VIN=1.34'QDEV'tFOR t<=Tc VIIN=QDEV•t+.34'`QDEV*TcFOR t>Tc SWALE AREA REQUIRED Q 6- DEPTH 3679 sf SWALE AREA PROVIDED @ 6" DEPTH 3690 sf SWALE STORAGE VOLUME REQUIRED 1839 cf TOTAL STORAGE AVAII,ABLE 1845 cf CUBIC FEET > ~1~IAX. = 1362 cf ouTF'r.ow TYPE "A" DRYWELLS 1 C~ 030 Cfs = 030 Cfs TYPE "B" DRYWELLS 01.00 cfs = 0.00 cfs TOTAL = 030 cfs SAFEWAY.XLS Area 5 (2) PERM T DOCUMENT TRANSM TTAL Spokane County Division of Buildings - 1026 W 6roadway Ave. Spokane, WA. 99260 ~ Project Address: Project S 1-2 Business Name: • . ~ ~ CONTACT, . Phone: MailingAddress: ~ ~ ,~~Z~~o~~ _ ~ ~ ~T ~ COORDINATOR'. Phone: ~ ~ Y . ~ OFFICIAL PUBLIC OQCUMEtJT SPOKANE COUNTY ENW&EA'S OFFICE ' ~ DOCUMENTS CIRCULATED oR I Sc;_ ~'e .'TAL. ~ c " Flre ry Description Bulldir►y Zoning ~I~ Enytneers Heatth asM tltilltlasf-j` :SC..,~iP,C`N Received By . ~ Date of Transmittal. l 1 j~ Ci.rculated bY• RECEIVF~ ' . . . , . . . . L~;~ . NaV 1 6 1995 . . ~ . . . „ , ' SPUME CoUtaY EidGMEER _ . . . . . . . ~ . ' REQL L►3T FOR DESIGN DEVIA ~L~,JN $30.00 DATE 11-13-95 • ROAD NAME CRP/R.ID # NAME OF PLAT RecQrd Qf Survev for Safewav Stores, S.23,T.25N, R.44E Plat# parcel 42 ADDRFSS OF BLDG 14024 East Sioracrue. Sookane. WA WM ~ NAME OF BLDG PROJECT PetsMart BLDG# B9 S! T R FEDERALJSTATE PROJECT # Counlv Bldct. Dept. Pro! ect # PROJECT LIMITS 95008950 EXISTING CONDITIONS: PROPOSED IMPROVEMENTS: ROAD WIDTH . ROA.D SURFACE AVG. DAII.Y TRAFFIC Current Traffic Count Design Year Traffic Count PROTECT DESCRIPT'ION Block Building for Pets Store, Truck dock, access road and swale ,uifications, and utilites modifications. . PROPOSED DESIGN DEVIATION Keystone wall practically around entire swale. New portion of wall is approximately 2 f_t. tall on east and fram 0-2 ft. tall on the north side. JUSTIFICATION: • To acccgnodate prolper truck traf f ic clearance requiremnts retaining wall was necessary to eliminate the side slope. SUBMITTED BY Michael R. Liimak}ca, J-U-B ENGI]qEERS, Inc. pATE 11-13-95 ADDRESS 1250 Ironwood Dr-ive, Suite 220, Coeur d'Alene, ID ZIP CODE $3814 PHONE 1# ~-)nQ) 667-1574 ADMIlVISTRATIVE VARIANCE FEE OF S30•00 PAID TO SFOK:ANE COUNTY 1026 W BR ADWAY, SPOKANE WA 99260-0170 PHONE (509)456-3600 FAX (509)324-3478 -REQUEST WiLL NOT BE REVIEWED Wi7rH0Ui' FUNDS- CASH/CHECK # RECENED BY. DATE k\plfldesign.dcv S/93 . , . . - _ ~ ~ - • • k . ~ C. ~~R~.'~`7.~. . . y~.~MiCHi4Ei R: LIIMAKKA~~`ni:, saoasoo~~:,` ` -TERRYL.,A fLIIMAKKAII.:"~ss:~17-T695.,; 2957 i. .P:O:t 80Xi' 364 ~664:0368r 19 95, . ~OEI~l: I.AK. , f0 ~83835~'' , ; - - . • , - - 92-111241' . HE I$ 30 ,vo ~-~o: ~o~~. ' I _ - DO-LLARS ' r.,, ~ ~ ~ ' ~ ~ + • . . - - ~WES o AON a BANKIDAHO ' PO BOX 520 ' ' • EOUR~O'~IENE. 10,83616G,~/14.s^~' ~ F o R , G - = 1:1241000L94 L100 LLL8891 5il' 29570 R ~I'rr ~~~.t; r ~ ~-~ti}~~ ' t~h. . . . . ~ . . . . . . :.~t~.t~:~` Ctj . . . • , . I , t \.•::117 ./{G.~~ •~t(::.: 'h i~' ~ . t• ti~.~<^ s 5~ •y.~ • 1 1 .1•.,: l . a' i::J.~i.:: ~.!)~Z: r``'~!~>!iti:~:!:;i7.:::'K)C7~'j~c~'iti~~~ . I , ~ . \ ~ ~ RECEIPT Date 9 lc'S ° Received From Addr ss 4 ^ 1 For Dollars ✓ ~ -0~4-~~,,, ~ . 0-4 V A«oUNT ~ HOW PAID • _ aMr. oF ACCOUNT CASJi AMT. PAID 0 ~ p Ci}ECK BALANCE ~ DUE M~~ ~ OROER By 1 81(808 REDN;0" ~ ; • I - - L ER OF TRANSMITTAL J-U-B El1v%.7,r11 EERS. 1 NC. 2005 Ironwood Parkway, Suite 201 DATE 3 9 ) PROJECT No. - Coeur d'Alene, Idaho 83814 Phone (208) 667•1574 PROJECT NAME ATTENTION: TO R E : /l~ a- G ~-►J' 4~3 i' 2~l~~ ~cJ r~ ~ / .~~o.rt~t~./S ti✓~4- ~7'90~(.0 70 _ j GENTLEMEN: WE ARE SENDING YOU (/6-ATTACHED ❑ UNDER SEPARATE COVER VIA THE FOLLOWING ITEMS: ❑ SHOP DRAWINGS (LI-PRINTS Vg-P'CANS ❑ SAMPLES ❑ SPECIFICATIONS ❑ COPY OF LETTER ❑ CATALOG SHEETS ❑ CHANGE ORDER ❑ COPIES I DATE OR NO. I DESCRIPTION / C'/✓ ~.c-~ ~3 0 ~=v2 0 ~is~i~ D cr/i/~-~'`~'o-~/ ~=8~~ S~ s ~S ~,~✓o s ~--~a~ a,_./ , , THESE ARE TRANSMITTED AS CHECKED BELOW: ❑ FORAPPROVAL ❑ ASREOUESTED ❑ RETURNED FOR CORRECTIONS ❑ FOR YOUR USE ❑ FOR REVIEW AND COMMENT ❑ FOR BIDS DUE 19 ❑ PRINTS RETURNED AFTER LOAN TO US REMARKS: IF ENCLOSURES ARE NOT AS NOTED, KINDLY NOTIFY US AT ONCE. COPY FOR SIGNED: r ~ - RECEIVEO BY: DATE PLEASE SIGN, DATE AND RETURN WHITE COPY - ' J-U-B ENGINEERS, Inc. ENGINEERS • SURVEYORS - PLANNERS f-J-U-B,h , 22a 12501ronwood Drive, Suite ' Coeur d'Alene, ID 83814 October 26, 1995 208-667-1574 • FAX: 208-667-2176 Mr. Doug Buscow Engineers Office Spokane County N. 811 Jefferson Spokane, WA 99260 . , Dear Mr. Doug Buscow, - PetsMart Attached to this letter and enclosed with the plans for PetsMart is a stormwater narrative of the modifications to the original stormwater report completed for the Safeway site. I believe this will be sufficient for your use in review of the stormwater system affected by the PetsMart building. f have aiso included a copy of the original report for your reference. Ptease call me if you have any questions. Sincerely, J-U-B ENGINEERS, lnc. Michael R. Liimakka, P.E. MRL:tm Encl. o~L,s O~+l 06 . ey ~o 4,4- + oA- OFFICIRL e~~t Q~. PUBLIC DQ~CU1vt . EN~' ~fVj~~s SP(JKANE COUf~lTY E~lGINEER`S OFFiC~: ~~~y ~ t sLj3','1rT7.AL ts _,r ~c: l . u~ Y i:~ ~ lrf N L.i' 0.0 1 C; S•~/ '.1' ~ f' „i F:IPR0JECTS116826-041ADDEND.DOC ~ J-U-B EN+GINEERS, lnc. Irp~~{~} ❑ 'phI~f o~+ f-J-U-B,k ~~U~~~~R~ • ~UllYGTklfl~ • ~L!"IIYIYEf1J 1250 Ironwood artve, Suite 224 Caeur d"Alene, 10 83814 October 26, 1995 208-607-1 ~74 FAt: 208-667-2176 ~ M oug Busco~nr C] ~0~, Er~gir~eers Offce ~o,~ ~ G Spakane County N. 811 Jeffersan Spokane, WA 99260 ~ Dear Mr. ❑aug Huscow, ~ PetsMar# Attached to this fet#er and enclosed vvith the plans fior PetsMart is a stormwater narrative of the m~~ificattons #o the original stormwater feport completed for the Safeway si#e. [belie►re this will be sufficient far your use in review of the stormwate~ sys#em affectad by the PetsMar# building. I have also included a c4py of the vriginal repork for yaur reference. Please call me if you harre any questions. Sincereiy, J-U-13 ENGINEERS, Inc. - - Michael R. Liima'kka, P.E. MRL:ttn EncE. ~AL '~BUG ~WijN~~N-T -R`~ ()Wct - ~ ~ - . zn i r-~ • ~ 2 ~ ~ k } - -r 1 i 4 . - • ~ 4 .y » • . ~ F:iPROJEC7S116826-{741ApDEND.DOC . ~ ADDENDlJ6Vl ~0<1 O~ Safe~ray S~upermar~Cet ~ Sprague Avenue and Evergreen Road Spokane, V1lashington 0 Stormwater runoff Storage and Disposal Calcufatians ~ June 7, 1994 ~ Current F'roposed Square Faatage 26,354 Sq. ft. Previous Proposed Square Foatage 22100 Sq. ft. 45154 Sq. f#. 0 Actually approximately 1357 SF of pavement surface are remvved frorn draining to swale 5 by the larger building size. However, 1565 SF of additional impervious area are added by the driveway modifications. • The tatal imperviaus surface area is increased by 208 SF. The total becomes 44,1 47 SF {43939-1357+1565}. • The new swale design of 3690 SF a# 6" depth provrdes adequate stvrage with the existing Type "B" dryvvell. See attached bovvstring calcula-tion spreadshee#. 0 The existing Safevxray building and #he propose Petsilllart building both vvill drain to a bank of 6 Type °`B" drywells. The tntal roof are2will be 82,299 Sq. f#. (55,945 + 26,354). Six Type "B" drywells provides service for 90 ,000 Sq. ff (6XI 5000) whkch is sufficient. C)FFIGIA ~P~ ~~4G~~~~ ~~~fC~ S~fliCANE CD 0-9 ~N-L ~ S Ub,,F,i-~~~ 0 -00~ COU~~TY F.IPROJEGT5116826-(}4\AQQEND.ODC - ~ . . . 10 YEAR STORM,134WSTRINC YIL'THOD DETENTION RASIN DESICn` ArYD AIVALYSIS, POST-llEVELOPV(ENT - SAFEWAY SUPLRMARKE, T TIME INCREIME NT (MIN.) 5 s TIMB OF CON'CENTRATION (MN.) 5 * OUTFLOW (CFS.) 0.30 DRYWELL OUTrLOW DESIGN YEAR FLOW (YR) 10 ' AREA (ACRES) 1.01 INPU'1' AREA * DEVELOPED "C" FACTOR 0.90 AREA x "C" 0.91 DRAINAGE AREA (SQ. FT.) 44147 IMPERVTOUS AREA (SQ.I'T.) 44147 TIME 1NC. TIME INC. INTENSII'Y Q DEVEL V IN V OUT S"1'ORAGE (MIN) (SEC) (IN/HR) (CFS.) (CU. FI'.) (CU. FT.) (CU. FT.) S 300 3.18 in/hr 2.90 1166.03 90.00 1076.03 10 600 2.24 in/hr 2.04 1434.30 180.00 1254.30 15 900 1.77 in/hr 1.61 1617.70 270.00 1347.70 20 1200 1.45 in/hr 132 1722.01 360.00 1362.01 25 1500 1.21 in/hr 1.10 1768.09 450.00 1318.09 30 1800 1.04 in/hr 0.95 1804.26 540.00 1264.26 35 2100 0.91 in/hr 0.83 1827.74 630.00 1197.74 40 2400 0.82 in/hr 0.75 1871.36 720.00 1151.36 45 2700 0J4 in/hr 0.67 1891.28 810.00 1081.28 50 3000 0.68 uvhr 0.62 1924.01 900.00 1024.01 55 3300 0.64 in/hr 0.58 1985.96 990.00 995.96 60 3600 0.61 in/hr 0.56 2059.79 1080.00 979.79 65 3900 0.60 in/hr 0.55 2190.20 1170.00 102020 70 4200 0.58 in/hr 0.53 2275.91 1260.00 1015.91 75 4500 0.56 in/hr 0.51 2350.66 1350.00 1000.66 80 4800 0.53 in/hr 0.48 2369.76 1440.00 929.76 85 5100 0.52 in/hr 0.47 2467.34 1530.00 937.34 90 5400 0.50 in/hr 0.46 2509.26 1620.00 889.26 95 5700 0.49 in/hr 0.45 2593.16 1710.00 883.16 100 6000 0.48 irvhr 0.44 2671.59 1800.00 871.59 **VIN'=1.34*Q17EV*tFOR t<=Tc VN=QDEV*t+.34#QDEV*TcFOR t>Tc SWALE AREA REQUIRED « 6" DEPTH 3679 sf S1VALE ARE A PROVIDED @ G" AEPTH 3690 sf SWAI.,E STOItAGE VOLUI4E REQU1REll 1839 cf 1'OTAL STORACE ANIAILAI3LE 1845 cf CURIC l+'I:rT > MAa. = 1362 cf OUTFLO W TYPE "A" DRYVVELLS 1(a 0.30 cfs = 0.30 cfs T'YPE "B" DRYNVELLS 0a 1.00 cfs = 0.00 cfs TOTAL = 0.30 cfs SAFEWAY.XLS Area 5 (2) . PERMIT DOCUMERIT TRANSMITTAL Spokane County Division of Buildings - 1026 W Broadway Ave. Spokane, WA. 99260 . Project Address: /qD eo"p- ° Project Business Name: r CO NTACT: A~~ r-ZaJ<k.,,2 Phone: e.V 7• J 5'~ Mailing Address: rt 7 g3 j COORDINATOR: Phone: _ - ~ DOCUMENTS CIRCULATED . , Fire Description Bulldlnfl Z+onlnp E1qMltro ~ He3ith Dlsf?l Utllttles SCAF'CA ~ ONG I x ~ ~~~•~''r_~. - 1drz.~ x h~~rf'.t~. >C -"--X' . ~ ~ i vx .0,11 Q:lc.A4• A-40 &'S ~ ~ G~ Received 6y r, ; . ~ Date of Transmittal: 1' Circulated by:" ~ NOV ~ SPOPUiiqE COUNTY EtN'GOREER i , , i ~ , ~ S E' O T~ f~ N Ia C O U N 'I' Y OfFICE OF TIIECnUNTY CNCINCER • A DIVI!;IpN Of TIIC P1i01.IC WOKKS DC('ARIMENT Roiialil C. I(ci»anii, 1'.C., Couilty L'ngineer Dennls M. Scotl, f.C., Ulreclor AGRErMCNT TO Pf1Y FErS crvc;irvErri's AcRcctvIcrrr rvutillzcii 71iis agreement between Spokane Cotinty aiicl Hawkins-Snith Management, Inc. (nan►c oi rcrton) ~ wliosc in(crest in (lie project is Douc Matthews (I.C. OWII V.•N$C111, CIC.) is enlerecl irilo tliis 27 clay of October , 19 95 ,'1'liis agreement is arplicnble to (lie project known as: Building Permit At: 19024 East SPr e Tets~aYt ~ . (PrO)cc 20111M rbiTiicnani & i c nR Il111 Ille 1I1dIVIdt1alS Afl(I pilftjCS l1A111C1I I1CfCiI1 aS IIAVItIg All lll(efCSt I11 II1C ilI)OVe dCSCf1bCd prnpCtIY Of projcct agrcc to tlie following: ~A l. Reimbtirse Sroknne County for rroject review anci insrection fees as srecifiecl ill Cliapter 9.14 of (lie Spokane Cotinty Cocle. Tlie fecs will bc basecl oii acttial salaty costs iricurrccl by Spokane Counly for projcct reviews aiicl / or inspeclions pItis a tcii pcrceiit acli»inislralive cliargc, ancl will lie billccf i»on(1►ly as accrticcl. /1iiy final billing amotinls, to inclticle any lale fees or atiy otlicr cxl)cnscs inctirrccl iil (lie eolleclion of an overclue aecoiiiit i»iist be paicl rrior tu (lie Coiinty's accertance of (lie projecl for filirig. 2. 7he unclersigiiecl Aigrees tlial lliese fees are cltie and payable tipon reccipt of tlie billing as specifiecl above. . 3. A>>y invoir.es nol paid williin 30 c.lays of tlle involce elate will be sobjectecl 1o "i lale fee cliarge of l% per iiionlli (12°l0 pet year) on llie unpaid baIance of Ille accouiit ancl any aeertieeJ lale fee clinrges. In Aclclitton, if ciny outslanclinb balanee on (lie accounl for 1liis project is not paicJ williin 30 clg-tys of llie irivoice clale, no Fiirtller reviews of tlie project clociii»eiifs will be eancluclecl tinli) (lie erilire accotint balance is paie1. Any balance o» tlie accotint for tliis project iiot paicJ witlliri 65 clays of tlie invoice clate iiiay result in leg-11 action or (lie initalion of otlier collectioii procecltires, incliicling rcfcrral In a colleclion tigcncy. 7lie Sponsor wil) he li<<ble Cur f-iny anc1 aI) expenses inctirrecl hy (lie Couiity for (lie collectio» of overcltie accoiiiils. 4. Tlie nionllily billing sliotilcl bc scnt to (lie altcnliori of: . Doug Matthews N A M C:. Ha i ns-9ni th ManaQement ADDRrSS: 8695 W. Franklin Road C(Z'Y, ST ^.,,'E; Bai sP, In ZI P CODE: A'i7nca Pt 1 ON L; 208-376-8521 1 uiiclerseancl (litit failurc (o pay tliese fees may result in clclny in coriipletion or approval of tlie projcct or :)llicr possible sancttons. ❑ tf lllis fcc in6rcenicilt t's cOniI)lelccl by soiiicone ollier than Ilie Sponsor (i.e., (lie rrnject owiicr or a pi incipal iii tlie firrii srunsuriiig tlie project), siicli as tlle rngiiieer clesigiling tlic prcljcci, Ilicn writtcil atilhorization froin Ilic Sponsor spcci(icnlly niillioriziiig (lie tlbciil lci cxcciile llifs ree A6reeiiieiil is 111ac1icc1 lo lliis Fee Asreeiiient. ~ sicNAIvlzr: Qy: . ~ ~ O (A v 'J (I'TtINT NAMr-V , ZI:TURN YELI.OW CnPY T() SI''t)KANC CU[Jti('Y LN(:INCERS T~~V~6iccmcn.lcc 8/10/93 . Ric-fffioF-WAY'1j€P1~F_tTNi%. _ : ...........:......_.._y._.._.......... . . . . . 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X..... . _ . . . . . . _ . _ . . 4 - - . . . . - - - - '2 : ri~li ''Z • ' ' f~ -~~RA M cor slruc~lo ~ n X . I FVAc on~ffooi . ~ ~ . ~ . ~ X . . ~ _i. . . . sw~le vofui~~e caicui~ilil$ . X . _ . ~iori . ewa e ctosa 88c _ _ _ - X h081 ueY~~op~c~ Cotlc~llloll----~--....._..._.... . _ _ .X........ uifici ~ c~ll~l~~i~io~s - _ Pi~~~1~3Aci~1i~)ATtncALcULATi6Ns . v c~~.cU~~ioNs . - . . . . _ . . . . .y_..------_. ~ ftTt 'r o~lD~iEf~i I611 cl~lcs~ _ . _ . . . _ . , . . . . ino ir,1~~ a~o~t~-------..__.. . if. R6 7CRALYe18--~----.-- . . . . . . . . . . . . - -zr,i- _ = jl j~ . - . . ...~"..:~t::'-:...... _ r• .~.vi.•~ • ~ },f j; • •.i • ^~•~L ♦ ~~I \~V. , . ~ . . . . ' . . • ~~4'_ ~~•:••••'1<.f ` - u'~=?~~_'-~~~~~~.._~~L1•~~ ~~~~~r~"' "•''1 ~~..'~~~5.~..~.~..::.,...~ " . ~._~_~'~"w~:l~. :.:Z:..^.~'~..~'~~'~~~~~:....._.~~..~ 0' , . }'r0~► _ _ . . _ . . ~~1 . . . . ~bI1C~ltll~i~C ~ . ea~1e_ _ - . . . . . _ . . _ ~ ouiTer ~or~~~a_~a.e~loj- . - . . ~ _ . Cto6a~8 0 2.q°lo-A.=~-'QlOL-------~--_._.._.._.._.......__....__.._._..__.__._._._..-~~-~- . . btqfitld e ~te o1 ~ ~ _ . - brai1o9 ott PI~I t$ cutvd ~a1~ r~~lua-iia~-~~.~--~--_ _ _ . ....._..-r~- ~ s pivetrleni_aealotl - ereiioa e.iTe _ ~ . _ . ~ feers giaiii MIIa c~t t~li~e s olHl~ e sisie.. . _ . . . _ . . . _ . . _ . . . . _ . . . . . . . o~lrl~ete ei~ne~ur~...._.... . . . . . . . . . . . : . . . . . _ . . . . ..fouI1lY.131alnp ~ ~ . ; . . ; , . . . . . - , . . . . . ~ . - . - ~ ~ . . , . . . . . . . : _ , . . . , . . . - • . . . ~ . . ~ ~ . ; . ~ . ~ . ; , . . . . : . . . . i 1 PERM T DOCUMERIT TRANSM TTAL Spokane County Division of Buildings 1026 W Broadway Ave. Spokane, WA. 99260 , t-I ; Project qS - ~~7S6 Project Address: j qQ aq Business Name: P'-~+~ CONTACT: M-4' e-2., I c'►v 'l~l~c~'%~ (L,~ ~ Phone: -7 - /,~-7' Mailing Address: 1a!E-:6 gC-z3V* COORDINATOR;~ Phone: , ~ DOCUMENTS CIRCULATED ~ 'I , - 'r, • Flre ~ Description Buiid(ny Z+attny 1~Enylaeers ~ Hoattlh Dlt!!i tJtiliUes SCAPI'.A ~ ~&-O~ ~ . . Received By , ~ Date of Transmittai: Circulated bY: : R F, C . , F I ~,F. n , r ~ iVOV Z 8 ; ~ 1995 , ~ ~ SPQ~QJE b!t;I~ . - . . .~U.~ ENCINEER FAX COVER SHEE~ - . Spo[caiie Cou11ty Engineer's Uf -fice - Thirci Floor I,ax # 324-3478 1026 W I3iZ0/117WAY SPOK/W1=~, Wn 99260 - PI-IUNr #(SU9) 456-3600 D!L' 1 rA x#: TO: z- COMPANY: i ..()Z2 CITY / STATE: NUMBGR OF PAGES (1 C UDING COVER SHEET): ~ ~ FROM: MFSSAGE /SPLCIAL INSTRU TI N: C l j p REVIEW COMMENTS SPOKANE COUNTY ENGINEER DEVELOPMENT ENGINEERING SERVICES PROJECT B95167 REVIEWER:Katherine Miller PROJECT NAME:Petsmart DATE: November 8, 1995 REVIEW 1 CONBMENTS The review of the submitted addendum to the Safeway Supermarket located at 14020 E. Sprague has been completed. The only item that needs to be addressed concerns the swale located in subbasin 5. A design deviation is required for any swale designs that do not follow the typical section, i.e. the keystone wall around the entire perimeter of the swale. , Page 1 of 2 ~'O 9 4, ~y~~G~o ~!/0 0~~ SAFEWAY S-UpE T EN ROAD ~ ~ GUE AVEr~ ~v E~R'~RE SPRA pL~,~g WASHINGTON SPOli~ C ~ . ~ STCJRM WATER RUN4FF - STORAGE AND DISFOSAL CAI,CjTLA.TIONS PREPARED FOR: FIRST WESTERN DEVELoPNIENT Apri121,1994 . 94 ~'o ~ ~4, Revised. June 71 19 S10MA1. E~ 2 Z . PREPAR,ED BY: J.u.B ENGINEERS, Inc. 1250 Ironwood Drive, Suite 224 OFFfC1At PUBLiC DOCUMENT Idaho 83$14 SPOKANE COUh1Y ENGINEEAS OFF{CE Coeur d'A1ene, oq ~ NA. Pqc~.j~-CTa ' PURPOSE The purpose of this report is to submit, for approval, the assumptions calculations, and design of the roof and site drainage and drywells for the proposed Safeway supermarket The information in this report will provide calculations for the following: • Drywell Sizing - Drywells are sized as follows: Type "A" drywells will be assumed to handle 5,000 SF of surface runoff. Type -"B" drywells will be assumed to handle 15,000 SF of surface runoff. Where this relationship is exceeded the Bowstring method of runoff calculation will be used to justify the drywell selection. • Drainage Structures - Pipes, ditches, and other drainage conveyance structure sizes and beometry will be justified with calculations. Runoff is calculated by use of the Rational Method. Other information provided with this report will provide the following: • Grades - Contours and spot elevations are provided on attached drawings. One percent niinimum slopes are used to convey runoff across paved surfaces where concrete curb and gutter are not utilized. • Pavement - Attached drawings indicate where all travel surfaces are to be paved unless a paving waiver has been granted. • Swale Cross-Sections - Typical cross sections of swales are detailed on attached plans. Details indicate sodded side slopes not steeper than 2:1 for up to a maximum of 12 inches depth. Swales which are greater than 12" in depth will have 3:1 side slopes. The tops of swales are a minimum of 2" above the rim elevation of drywells to provide freeboard for stormwater. • Elevations - Both bottom of swale elevations and drywell rim elevations are indicated on attached drawings. f 4 Calculations have been rnade in accardance with the Spokane County "Guidelines for Starmwater Management". EXISTING FACILI"l' S The praposed site a.s a 10.88 acre site. The site ftonts Sprague Avenue on the north and Evergreen Road on the west. C=ently aU runoff from the site f1ows to lovv poi-nts an and off of the site. Presently there are no stormwater treatment and disposal facil.ities on the site. PROP~~~~ FACI]LITIES The p,raposed facilities are parking facili.ties, a 55945 SF Safeway building, two future an.chor stares of 18000 SF and 25000 SF, a future retail shop of 4200 SF, and future stvre pad of 7500 SF. BuildinLy Ru.na.ff The Safewa~ builcling, the ~'iuture Anchor #1 building will be tightlined directly to a bank of six Type II drywells at the rear of the building. All m~~chc1r31Cal eqLl1pI`I~ent C~~ ~~e rD~~ the b111ldiI1g V~~ be 03.l free oar sealed as indicated in the specifiicatians provided by the architect. A1so roof~ -wil be non-asphaltic as per arcbi.tectural raaf plan. T~~ six d.ryweils are interconxa.ected by an 8 inch pipe ta equalize flaw betvveen them. The future Anchor #2 and Retail Shops buildings wi11 be tightl.'med to tvvo T,~p~ dr~w~~~. Pad "1~." ~~11 be t~ghtlined to one ~'ype "B~" dryv~e~. .All calculations for drywell requirerrrnents are showr7 in the Appendix, Park.ini; Lot Runaff The propased par;king lot is divided into four drainage are-as, 1, 2, 4 and 5. Area 3was removed after the 6-7-94 Revisions. Area 1sheet drains t~ the west and .riox~~ ~ 1760 SF gras~~ swa1e. Area 2 sheet drains to the north to a 3810 SF grassy swa1e west of the center appraac,h axd a 9505 SF grassy swale on th.e east. Are~ 3 was elixiinated and is part af Area 5. Area 4 and 5 drain to the southern corners af the site to a 6275 SF and 3720 SF swale respectively. The area provided for infiltration in each of these swales is designed to accommodate 1/2 inch of runoff draining from the impervious surfaces, in a swale of a six inch depth. Runoff from all of the areas enter the swales through curb cuts. Curb cuts are designed to handle all peak flows from the various areas draining through them into the swales. Calculations are shown in the appendix verifying that the largest area which drains through a curb cut will drain through the 5 foot wide at the top and 3 foot wide at the base curb cut. Area 2 West has the largest area draining through a single curb cut. A portion o€ Area 5 drains through a 2 foot wide channel as shown in the detail. Approximately .33 acres drains through this channel. As shown in the calculations shown in the appendix the flow at the inlet of the channel is 3.3 inches and the depth of flow through the channel is 1.8 inches, both of which are less than the 6 inch depth of the channel itself. ~ 0 a ~ ~ ] ~ Z Q W W ~ ~ Z ~ , Y ~ a ~ z ' ~ o ~ < ~ ~ ~ ~ ~.1.--- . , ~ ~ _ . _ . - ~ . . . ~ . n ~vo f ~ ~ - ~ ~ ~ ~ , ~ ~ ! : ~ ' ! ~ ~ ~ ~ ; ~ I ~ - a Q y ~ . ~ ~ SPRAG~1E AvE. . i ~-•S* . . ~ , 8 ' g . ~ 1 ~s ~ ._._.._.r_.~_.._.._..__..._.-.--•----.,......__.....__.__. ._._..__...,....~..__-9 x2~ 23 ~ ~ ~ e e. ~ .,,a_....._....8 =r-~-~s 'f ti " '~''-_._._~.n. - . _ i ~ - - - ~ i . , . - • . ~if-- te' ~ ~ ~ i DIO4Ek1Y ~ i ~ ~ N T A P ~ ~ 208" SWALE ~ ~ ~ ' ~ ~ ~ ~ "208' SWALE • a~ ~ i / 1 ~ ii~ :j(IS~1~~G ~ b ~ ~ I~ Ph~~l~~i, I . i , ; ~ r ~ r ~ R + ~ ~ r ~ t, r a r ~ ~ ; ~ I~ I 5 ~ ' PAD "A° ~ -K , ( e , v.l~ 1VC ; ~ ' FL•iwL " ~ s . ~ - - ~I i , , ~ ~ ~ - ~ m ~ f 1 ~ ► ( ) ~ 1 a . ~ I ~ ~ , ~ ! I ~ u J..el I I ~ i j 6~ j. ~ , ixu~.. I . ~ ~ ' ~ , I ~ I • I TZ~~~ _ _<s i ~ ~ 'i. ~ . ~ J l ! ~ 1 l 1 1 ~ 1 I ~ 1 l / l QD ~ ' ~ ' b . r G1R0 qti I ~ ~ : „ ~ut ~ , ~ ~ ~ . I' ~ 1 ' ~1!!R ~ 1 I ' I ; ~-.r: ~ I ~ ~ ~ ~ ~ ~ RETAII ' ' I ~ ~ ~ ! ~ SHOPS ; I r ~ ~ ANCHOR GROCERY ANCHOR ~ ' ~ ~ f~2 ~1 ~ ~n~nc ~ ~ ~ ~ s ~ . ~ ' ~ 'r ~ ~ ~ ~ / ( .N. w~coi~ - ~ , : 1M. qrt-i ' ~ • i i ~ , ~ i a ~ I ~ ~ i , 1 I ~ r ~/~f , I ~ /1 i I ~ I ~ , I ~ ~ I . ~ . ~ I . E i 4 s . I: ~ 208" SWALE ~ ~ . i j ~ \ - r-- ~ ( ~ . . . , . . . . . ~ ; ~ ' - ~ - - - - - i ~ 208'_ SWALE ~ ~ ~ ~ I'' - ~--.rtt I I - , ~r p e ~ i i 3 N 7 tRMeS.\ E~P.wS "4.. ONP- • ~n 'YP .$r y~ ..pp.. -~'~I . ~~_'~".~"~"~"~~'~"~~~~"~"~"~'_~"~"~-'~"~._'~.'_~"~"~~'~"_lat~"~~`~"~"~"~"~,~. „ ; 1 ; , ~ ~ ,tSw ..~...y.....,....~...,~,.~~~. _ *ts~....---_..__ _ . . . _ 'I~ JPe a`ir_ , i ~ ~ IN. ElFM.~17i2E . v ~ ,..,{~.~..w~-."~_...._ i ~ ~ i , i ~ I ~ ~ i ' • ~ ~ ~ i ~ ~ J,B,b ~ ; SAFEWAY SITE DRAINAGE ( ~ ~ Bh~faeere 9us~e~on Plaaaaae I ~ ~ aevon~Plannme ' • REVISED 6-7-94. AREA 3 REMOVED. r 1 ~ I I AIP I]ETENTIC~~ BASIN AND DRYWELL ~~~~GN DRATNAGE AREA I (~~e Figure T) 1. Paved Area 21,020 sq. ft, 2. S-wale Area Requirements (1112 R,atio) "20$" 6" ponding depth, area 1,752 sq. ft. Area Avaflable 1,760 > Area Required 1,752 3. Dry Well Requirements per Bowstring detention basin design. T~~ CW7 1 ~~B" 0 L7R.,A~NAGF, AREA 2 West (S~e Figure I) 1. Paved A-rea 43,842 sq. .ft. 2. Swale Area Requ.~ements (1112 Ratio) 11208" 6" pand7.ng depth, are5 3,654 sq. ft. Area Avail.able 3,810 ~ ~~a Required 3,654 3. Dry We11 Requirements per ~owstring detention basin design.. Type iix7 1 Type"B'z 0 DRAINAGE AREA 2 Eas-t (See Figa.re I) 1. Paved Area 114,045 sq. ft. 2. Swa1e Area Require~~nts (1l12 Ratio) „2 08" 6 " ponding depth, area 9,5 04 sq. ft. Area Available 9,505 > Area Requi.red 91504 3. Dry We11 Requi-re3nents per Bows~rj-ng detention basin design. i ~ ~~e "B„ 1 DRAINAGE AREA 3 (See Figure I) Th1s Area Ellmlnated. DR.AINAGE AREA 4 (See Figure I) 1. Paved Area 48,542 sq. ft. 2. Swale Area Requirements (1/12 Ratio) 11208" 6" ponding depth, area 4,045 sq. ft. Area Available 6,275 > Area Required 4,045 3. Dry Well Requirements per Bowstring detention basin design. Type "A" 1 Type "B" 0 DRAINAGE AREA 5 (See Figure I) 1. Paved Area 43,939 sq. ft. 2. Swale Area Requirements (1/12 Ratio) 11208" 6" ponding depth, area 3,662 sq. ft. Area Available 3,720 > Area Required 3,662 3. Dry Well Requirements per Bowstring detention basin design. Type "A" 1 Type "B" 0 SAFEWAY & ANCHOR #2 ROOF AR,EA 1. Roof Area 55,945 + 2504 = 80,945 sq. ft. 2. Dry Well Requirements (1/15000 Ratio for Type "B" and 1/5000 Ratio for Type "A") Type "A" 0 Type "B" 6 ANCHOR #1 & RETAIL SHOPS ROOF AR,EA 1. Roof Area 18,000 + 4,200 = 22,200 sq. ft. 2. Dry Well Requirements (1/15000 Ratio for Type "B" and 1/5000 Ratio for Type "A") Type "A" 0 Type "B" 2 PAD "A" ROOF AREA 1. Roof Area 7,500 sq. ft. 2. Dry Well Requirements (1/15000 Ratio for Type "B" and 1/5000 Ratio for Type "A") Type "A" 0 Type "B" 1 10 YEAR STORM, BOWS'fRIN(: METHQD DF."I'EvTlON BASI\ DESI(::N AVD ANALYS[S, POti'I'-DEVELC>PMCNT - tiAFEWAY SUPERYIARKI:'C TLME INC'RE-MENT (VtIN.) S * T(ME 0Fc'ONc'CNTRA'i'!c,)N (MIN.) S * ()I1Tf1_()W ((.'FS.) 0.30 [)tZYWELL 0[F'F(.,()W DE>I6N' YEAR FLc)W fYR.I IU • AREA (A('RLS) 0.48 I\'FI IT AREA • DEVELcaPEI) "C"' FAt'TOR 0.90 ARE-A x „C- 0.43 . URAINAt.;E AREA (J(1. Fr.) 21020 IMF'ERVIO[iS AREA (SC1.FT.) 21020 TIME INc'. TLV1E [v('. [NT'ENSITY Q UEVEL V IN V()I iT STc)RAGE (MIN) (SE(:) ([N/HR) (('FS.) (('ll. F"i'.) (C1;. f-T.) (('I1. Fl'.} 5 300 3. 18 iiVtir 1.38 555.19 90.00 465.19 10 600 2.24 in/hr 0.97 682.92 130.00 502.92 15 900 1.77 iii/lir 0.77 770.24 270.00 500.24 20 ' 1200 1.45 inAir 0.63 819.91 360.00 459.91 25 1500 1.21 iii/Iir 0.53 441.85 450.00 391.85 30 l 800 1.04 Wir 0.45 ISS9.08 540.00 319.08 ;s Zioo 0.91 i►inir 0.40 870.25 630-00 2 4 0.2 s 40 2400 0.82 iii/lir 0.36 891.02 720.00 171.02 45 2700 0.74 ii0ir 0.32 900.51 310.00 90.51 SU 3000 0.68 iixllir 0.30 916.09 900.00 16.09 .SS 3300 0.64 im/Iir 0.28 945.59 990.00 -44.41 60 3600 0.61 in/hr 0.26 980.74 1030.40 -99.26 65 390() 0.60in/lir 0.26 1042.34 1170.00 -127.16 70 4200 0.58 iti/lir 0.25 1033.64 1260.00 -176.36 75 4500 0.56 iidhr 0.24 1119.24 1350A0 -230.76 S0 4300 0.53 in/hr 0.23 1128.303 1440A0 -31 I.b7 85 5100 U.j2 iii/Iir 0.23 1174.79 1530.00 -355.21 90 5400 0.50 in/hr 0.22 1194.75 1420.00 -425.25 95 5700 0.49 in/Iv 0.21 1234.70 1710.00 -475.30 100 6000 0.48 ui/lir 0.21 1272A4 l YOU.UO -527.96 V IN = 1.34 (2 UEV * t F( )FZ t<= Tc VLN =QI)EV*t+.3a*(2C)Ev*TcFc)R c>Tc SWALE AREA RE(ZUIRED (ti) 6" DEPTH 1752 sf SWALE AREA PRQVIDED (a) 6" DLPTH 1760 sf SWALE STORAC:E VQLUME REQUIRED 876 cf TOTAL STORAGE AVAILABLE $RO cf (.:UBI(.' N EET > YIAX. _ 503 cf ' QUTFLC)W TYPE "A" DRYWELL,S 1(a) 4.30 cfs = 0.30 efs TYPE "B" DRYWELLS 0(aO 1.00 cfs = 0.00 cFs T(')TAL = 0.30 cfs SAFEWAY.XLS Area 1 t0 YCAR STORM, ki[)IdVSTItIM1"(:; LWETHOD DETENTIt?N BASEN DES1C;N AN 1) AiNAL.YSIS. PC1S7"-DEVELO PMEN`f - SAFC:wAY wUPElthIARKET TIivE iN{:'MMENT N[NI.) 5 * °riiw- Or c°ON~~~~~~ATiOr~ (MiK) 5 - w ITF~[lW (I'`ps.} 0.30 I )RYWLLL 0[ 1TFLt )W DESfGN YEAR FLC)W {YR.} 10 ~ a,REA (Ac.`1tE5) 1,01 fNPU"r nRJEA ~ i}E4lEL{.)PE[) FAc_°TCSR 0.9{] AREA x"i°' 0.91 I3RAINA[:;E AREA (SQ. F'[".} 43842 TkVG'r=RVi4:71.1S AREA {SQ.Fi°.} 43942 'rtmE iN,(% TIn}tE rNIC.'. iN~~~ITY Q f)EVEL vIN 4.K v 0111` s'rcxr~~~.~~ (~EC) (tNMR) tc Fs,w (ci J. FT.) (rt J. FT.) (0 1. Pr_) i 300 3.15 inflsr 181 1157 ."17 90.00 1067.97 10 60C1 2.24 in}l1r 2.03 1424.39 1 80.{}0 1244.39 15 ii[3o 1.77 itillsr 1 .60 1606.52 270.00 1336,52 20 ' 1200 1.45 iai}itir I.31 1710_I t 3+50_00 1350,11 25 l500 1.21 z,iAir 1.10 175~.87 450.00 1305.87 30 1$QO 1.[}4iiifitir 0.94 179I.80 540.00 125l_$0 35 2100 0.91 Wiv 0.82 IS15.1l 630.00 H85111 40 2400 0.82 inlhr 0.74 1353.43 720.00 ll39.d3 45 2700 0.74 iiillir 0.67 187 8'? 1 C6_00 l ObR.2l i0 3oQO 0.6R iLVIir 0_62 010.71 900.00 101031 5~ 3300 O.64 isi}lir 4.59 19 72.2 4 990.00 9 8 2.2 4 60 1600 U.b➢ inlllr 0.55 2045.56 1Clk0,L70 {)65.56 6 i 3900 0.64in1hr 0,54 217S.07 1170.00 1005.07 30 4200 0.5 $ inllsr 0.53 2260_ IS 1264,00 1000.18 75 4500 0.56 iafitir il.5i 3;+4.42 1350,00 9X4.42 30 4800 0.53 ui117r 0.48 2-35339 144Cl.l}0 )[3.39 85 5100 0_52 iiVltir 0A7 2450.30 15310_00 920.30 90 5400 0.5O iiilEfr 0.45 2491.93 1620.00 371.93 95 5700 0.49 inllir 0.44 2575.25 1710.00 .105 25 100 6000 0.48 iiillir 0.43 216 -5 3,13 1800.04 85113 **VIN =1.34 *Q [)EV*rFC}I't t<=Tc VI"=Q I]EV*t+.34*Q i}EV "°'I"cFi)k t> Tc SWAL:E AREA R~QU[REI1 (6) 6" 1]EP"x'Ti 3654 sf 4WAi.E AREA PROVIDED (6) b" DEPTH 3510 sf SWALESTI7RAC;E VOLL7ME REQUIRED 1327 cF TOTAL STORAC:E rtVrlILASLE 1905 rf ['11I1I[:' FCET > i+l.4X. ~ 1350 cf OUTFLCIW 'l'YPE „4" UkYWELLS 1(c) 0-3U cfr, R 0.30 cfs TYPE"I3" DRYWELLS 41 1.011 rfs - I1.00 ct3 'I'OYTAI.. ~ 6:34 efs SAFEWAYAL..S AMl2 W cSt 10 YEAR tiT0RNt, 80WSTRINI"- iMETHO[l C]ETE-L,NTICxh' BASIN QFSIGN rkNT1 ANALYSfS. 1`0S'I'-DC{VEL{~Fi1riEN'T • SA,F'C+1''YAY SUP~RIMARKITT TZME IN(;'REMENT (MIN.) i $ TIiVE [ 1F ['(.D'['EN7RA"FT{}N(iM 1N.) 5 * [:a[.IT-n()W {i:'F-S.} 1.00 I1RYWRLL c)E!'rFL[)W l)ESI{:;N YEAR F-L()W (YR.) 10 * Af2LA (A('RES} 162 1iNF'I IT AREA * [)EVFL()f'FT3..(_... FA[`ToI't 0.90 AREA x ,.C" 2.36 I)RAiNAUFF. AREA ISQ. fT.} 114048 IiVIf'SRV10I1S AREA i.SQ,FT.j 114048 Tiiw- Ih!{'. `i'l,1IE IN[_`. iN`I°ENtiITY IIEVEL V iN V [:11}T a'l'(;}RAGF (L\riIN) (sE(') {INIF-[R? {f'`FS.I `Z 1. FT.) {(''l_i. FT.} ((11. FT,1 5 340 3.18 ut}iir 7.44 3012'?8 300.00 271128 10 600 124 iiUltir 518 37{]5.33 600.00 3105,33 15 900 1.77 irVl7r 4.17 4179.11 900.00 3279.11 20 i 1200 1.45 ;iVl,r 3.42 444x_58 120100 324858 25 15oo 1.21 ilv,F z..~~ 4567.62 tsaoDo 3067.62 30 l8b[l 1.44 ;lvhr 2.4 5 4661.08 tR00.00 2161.08 35 2100 U.91 iii}kie 2.14 4721.73 2 1 00.4O 2621.73 40 2440 0.82 inlhr 1.93 4334_41 2400.40 2434_41 45 270(l 0.74. iiAr 1.74 :388S.37 2700.00 2185.87 50 3000 QAR iiVhr 1.0) 4970,42 3000,00 1970A2 i5 3300 0.64 1 «}Iir 1.51 5130_46 330100 1530A6 60 3600 4.+51 uiIlir 1A4 5321.19 36400 1721.19 65 3904 0.60 isillir 1.41 5658.10 390100 1758,10 70 420[} 0.58 inllir 1.37 5$79.50 4200,00 1679,50 75 4500 0_56 ittillir 1_32 6072.63 4504.00 157163 80 4800 0.53 in{lzr 1.25 6 l2 1 .97 490100 1321.97 :~5 5100 0.52in~ir 1.23 6374.06 5100.0(] 1274.06 ~)o 540[} 0.50 iNlzr 1.18 6482.36 34CO.Q0 108236 95 5700 0.49 inlhr 1.15 6699.09 _570[.l_00 009.09 100 6000 0_48 yF1ft 1.13 6901.69 6000.00 9{}1.69 V lN = 1.?4 T)EV 11 1 F(7R c<= Tw V IN = Q [}EV * 1 + .34 Q E)~V 11 Jrc FOR i > Tc SW'ALE AREA REQUIItED (c~ 6" UEPTH '4504 sf SVUALE t1REA PRI7ViDED (o 6" DEPTH 954)5 wf tiW.4T1E STORAGE VC1I,L]ME REQlJIRED 4752 cf TCITfIL STORj1C;F, AVrLILt1BLE 4753 cF C.'.;.17STi.: FEE`l' iV[AX. = 3279 cf OU'T'Fl.OW `fYPE "A" QRYWELLS 0 (u7 030 cf,3 = 0.00 cf3 T~~~ ~~B" ❑RYW~,'LLS j ft 1.flo 4:f$ = 1.00 d$ TC)TllL - I.00 S:F~ SAFEWAY,~' ..S Ar4i1 2 EIlst lU YEAFt STI3R11A, BOWSTRINC tMCTHC1U DETENTION BASfN 1]C+SIGN r'1iqD IINAL.YS[S, PI}4T-r1EVF:LO1'IVIENT- SlIFEWAY 85L1PN:R14IARKFsT TIME iIw'{."REUtEN'T`WlN.} S * TIME4iF('€)N('ENti'7tAT1C)N (NT[N.) S * 0 1 dTFL[)W (('FS.) 0.30 [}RYWFi..f_ 01 a"d'a0W I7EST(:IN YEAR FL..OW 1l`RJ 10 * AREA (Ac:•kES) n.44. iwt rr AKEA * [,)EVELO?f'EI] FA('TC}R 0.90 AREA x "C" {134 DRA[NA{.iE ARE#1 (S[}. FT.) 19040 IMF'ERVICaE.IS AREA (SQ.17.) 1 9tl4tl TIME IN[_'. T[jMh- [N[:', [NTENSITY f,3 []EVEL V fN .4`Pe 1! [)[I'C' STilltA[_iL (MIN) (SE(:) GN{HR) ({'"FS.) ({'A.i.F€'-) f(l ].FT.) (f'I1,FT.i S 300 119 i»}Itir 1,25 502.89 90.00 412,89 lU 600 124 zNlir 0.38 618.60 18(].00 43S.60 15 9~1[) 1.77 iMsr U.7~0 fi~17_6~a 27C}.00 427,h~ r .2 h s Arca 100 6OU0 0.48 iryllir O. lQ 1112.22 1800.0(} -647,78 V ilti = 1_34 * Q i)EV * t FOR t<= Tc VN~Q DEV*r+.34*Q DEV *Te F[3R t> T4 SWALE ttREA REQLIIkED (0 6" DEPTi3 1557 sF SWr1LE AREA PRt3VIDED (u} 6" DEPTH 1600 sF ,-.p . SW:4~~ STORA(..E VCII.,ifNIE R~QUIREIl 793 cf TO'I'AL tiT()RAGE AV+4,ILA8LE 800 ef Cl]l31[.: k'C' f1`T > iMAX. - 439 ef OIJTFL,iIW TYPE "-r1" DRYWELLS Y(ci7 0.30 cFs t 0.30 ds TYPE" fi" DR'1{WELLS Il (a 1.06 CF9 = 0.00 L'f5 TO'1'AL - 0.30 cFs SAFEWA1`,XL5 Arerti 3 10 YEAR STORM, ROWSTRrN6. iME'~HOD nrmgwfl~~~ ~~~~liN DESI[:TN ANQ ANALYSiS, P()tiT•DEVELOPIMENT - tiAFF-VNAY tiUFla.RiMARKET TiME iNCRE1+E \"T {jWN.) ? * TIM,E 4°)F ('C)N€'ENTRATI[7N (MIN.) ~ * 01 fT'F'L.OW {('FS 1 030 DRYWF'U 01 iTT-L(')W [}E,Sa(:;N 1'EAR FLOW (YR.) 1 E7 AREA (A['KES) 1.11 [hT'[ IT AREA # DEVELOaPED ..C.. FACTr]u 0.90 ~~A 1.00 r~~~INAc~~ AREA (,SQ. Fr,) 49542 1WERvtOUs AxE.a (SQ.MrJ 48542 TU1r1E iN(.'. T[VIE [N4:'. iNTEN5I1Y ~ [)EVEL V [h V I1T ~TORACE (MIN) (SEC) (INIHR) (('Fs.) (c_'u. FT,) (c'ia, FT.) (cl r. FTJ 5 300 3.19 inAzr 3.19 12S2.11 tJU.4ri 1(92.11 10 60() 2.24 inlisr 2.25 1577,09 18(.041 1397.09 15 900 1.77 inliir 1.78 1778.74 270.40 1508.74 21) ' 1200 1,45 inlhr 1.45 lN93.44 36100 1533.44 25 1504 1.2~inAhr 1.21 1944.11 450.00 1494.11 iL] iXCll1 I.04 iiilkir 1.04 198188 540.00 144-1_S8 3fi '21 10 0 0.91 in1Eir {].91 2{}09,70 630.00 1379.70 _IO 2400 0.82 Ir,n,r o.s2 205T66 720.00 1337.66 45 - 2700 0,74 Linir U.~~ 2079.56 X 10 .00 1269.56 SCl 3000 0.69 iiillir 0.68 2115.55 900.04 1213.55 55 3300 0,64 iiilltir 4-64 2183.67 990.00 [193,67 60 3600 0.61 yn~if 0.61 2264.95 1084.00 1184.S 5 65 3900 O.60 uVhr RrSQ 2408.24 1174.00 1238.24 70 420() O.5 8 iiiAif 0.59 2502.48 1260.0U 124148 75 4500 0.56alifflr 0,56 25S4.68 1350,00 1234.68 RQ 4800 0.53 iilllir 0_53 2605 bl3 1$40.00 l lb?_63 85 .5 1 Ot1 0.52 m{Irr 0.52 2712.98 153Uo 1182.0 9[] 5400 0.50 i«llir 0.50 2759.07 1420.00 2 939.07 95 5740 0.491rti111r 4.49 2551.32. 1710.00 1141.32 1. 0() 600LI 0.48 in}iir [}A8 2937_55 1800.00 1137,55 y liN - 1,34 * D~V 'R t R* t Tc: VIN=Q UEV*t+.34 *Q C,)EV * TcF€JR t>Tc SWAI.E AREA REQUIREU (0 6" UEF'TH 4045 sP SV1+ALE AREA PRUVII3ED (6) fi" 13EP'$`H 6275 sf SWALE S'TORAGE v{4LUVLE REQUIRET} 2023 cf T{]`i'ri►L4T0RAC;E AVAILA13LE 3138 cY CUBI{:: FEET }kNIAX. = 1533 ct OUTFLOW TIfPE "A" []RYWELL$ 1(Q) 0.30 cfs : 0.30 c:fs TYI'E "8" DR'YWEI,.rLS 0 (0 1.04) cFs = 4.00 cFs T{']'1'.AL = 4.30 r_fs SAFEV11f~`~..~..5 Aie~~ ~ 141 YT'dR tiTORoV1. 9it;1W4TR1N{: ,bihTHf1I.1 L1ETENTj{?iV f#AS[N 17ES1GN t1NU f'1iNAL-YSIS, P(,]S7-DEVELIJPMEN`1' - SAt~EWA,Y 4iJPERMt1RKET TI,'vE GN[RE ,IN T (LM iiN.~ ~ 7`ii1vfF 0r- CONCENT[tanOt~ (~IN.) 5 ~ ()iI'IFL.oW ~c'FS.) 030 I]RYVVELL ()[.1"i'FL.c,7w [7ESiGN YFAR FLOW (Yli.) t[) ~ ARE-A (A[_`RES) L.U1 iN PlTF'AREA ~ IIEVELc]F'ED FA(70)R 0.90 AREA x ti -9 t f)RAINA[.iEAREr1 [,iQ. Ff'.) 43939 [IM4'ERVIOI,FS ARF-A (SQ.FI'.} =439-3~) TZAri-E iN(`. TilE [tilC. INTENSITY C~ I]EVCL V IM V t1UT STMAE.;E (IMIN1 {SE(.') WWHR) (<'Fs,1 4Cl 1- FT.) (CU. [='i',} (('i i. FT.) 5 30l} 1 1$ tn11ir 2.81) 1160.53 90.00 107U3 10 bClp 2,24 ieVllr 2.03 1427.15 18Q.0O 1247,55 lS 900 E.77 in/lsr 1.61 1610.07 270.00 1340.07 20 ` 1200 1.45 iiVi7r 1,32 1713.89 360.00 1353.89 25 1500 1_21 u31liT 1.10 1759.78 450.00 1309.76 10 1800 L.04 i,Vhr 0,94 1795.76 540.00 1255.76 i5 ylU~.~ 0.91 iilllir 4.33 1819.13 630.00 11189.13 40 2400 0.82 iiilhr (1.74 1862,54 720.00 11 4?,54 45 2700 0.74 in1'tir L1.6I 19$137 IS l4.0 0 I072,37 50 3000 0_68 iixllir 0_62. 1914.94 904.04 1014.94 55 3300 0.64 inlitr 0.58 1976.60 990.00 496.60 60 3600 0.61 iixlfu 0.55 2050.08 1080.00 970.OR 65 3900 0.60 inllir 0.54 2179.88 I 17[]_00 100 4.8 8 70 4200 0.58 inllir 0.53 2265. l 4 1266.00 1005 _ 18 75 4-500 U.56 liAir 0.51 2339.59 1350.00 989.59 30 480(1 0.57 L11ft' 0.49 2358.60 1440-00 918.60 95 5100 0.52 ltlAlf 0.47 2455.72 1 530.0o 025.72 9 0 5400 O.50 111A5f t}.45 2497-44 1620.00 977.44 9,5 570[I 0,49 iiillsr {],44 2580.9=1 1710.00 870.94 1oo 6000 4A8 iiiAir 0.44 2659.00 1904.00 359.00 **VIN= 1,34*C?DEV'i t FOR t<=T.: V [N - Q I)EV t +.34 * Q i3EV * Tc FOaP, t >Tc S1+VA1,E rkREA REQCJIRED (i) fr" DEPTH 3662 sf S'4VALE AREA PR~,~VIL}LU 0 6" DEY`I'`H 3720 sf SV4+r1LE :ST(3RAGE V{`}LUME REQUIRE'[l 1831 cf 7O~TAL STCIRA(~F AVAjLABLF 1860 cf I:'UBICFEET > ,1~lAX. - 1354 cf CIUTFL[,l VV TYPE "A" DRYVkFELLS 1(4) 0.30 cfs = 0.30 cf,s TYPE "B" DRYWELL.S 0 (a) 1.0I1 rfs = 0.00 cfs TOTAL = 0.30 cfs SP►,FEWAYALS A;'e{L -5 PROJECT IOB NO. SHEET / DESIGNED DATE ~ L~ 7/ `,-'s v CHECKED DATE ITEM C , _.S~ . . • - ' , y_._ e---- - - - - . . ; - - . - - - - _ ~ yf, iu _ ~ ~Y . . . . . ; a.... Gf.'_/1~if~~G~_ < i"~~FrG7~r D ~C G~r..- ~~r, , C _ . . _ - _ _ ~/."//C 0 ~O GI i - - • r` Q r t 1 ~.S . _ ~ .Jit_ ~ ~ ~ ~i_ . . _ _ . .ZI./1 eJ t - Q.Y.._~ ~ . ~L. _ • - - - - /--~L.L~- .1 I~.1Q- • - - - - • - _ - - - - r . . 4 J , L. .:/I ._~.1~_ , ~ ! ~ V r _ ^ _ O z- ' f ~ ~ - _ . ~ - - . - . - ~ ~ ~ ~ . ~ ~ ' _ ~:2 r ~ T~ ; / ~ . ! -S- = - - _ _ . . _ 3 • ~ 3 ~ : ~ ~ ~ _ . . G . , - . . - - - ~ - - ~ - - - - - - ~ ~ - D ~ - - . - _ _ . . . v ~ _G .14. z = _ o~• 93 c~s . ~ . , . ~ ; . . ooo' - ? . , . . - - ~ . - - ~ ~ . - ~ - z__ - - _ - . . . - ~ - - . - ~ _ . `iG~ . S D, f-Z ~ x¢m- p. ¢Z = 3. 3Z c,~ _ ~ . ~ . ' r .r . . ~ _ - f . ' k . ' ' " " ~ ' - . _.r..~ ~.~0/ • _ - . . . . _ " . _ " ' _ • _ ' . _ _ . . " ' _ . - F ~ • J U 8 460 10 78 PROJECT IOB NO. 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