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Knox E 10414 Max Spaulding Office/Dismantle Bldgs IMOX E 10414 - - &Y~~ ENGMER1 S RLV~~ SHEET ~ KYLAW cANcMa BLDG. FERMff # B95148 Relatel Filel (ZE-I97 550 Dace to Review -100/95 Time 11:00 ae►,ew Tyse Pre-Appfficadon Date Received 0129195 Project Name i4iAX SP.A.ULDING OFFIM/DISIVIATLL BLDS.(2) $WC, SQ Fr Raw - Taw.nshn,p - Se,cdon 4M.ai0& SM AODRESS IfiN4g 19 10414 / W LMVERSffY/ S'ENOX PARGFL Applicanits Name JOE,Sx'OY PLone # 9923-q90 Address LINDQUIST ARGH Phone 2# ~2121 E BROADWAY-BLDG VLL 3POKAN E WA 99206 FLOOD ZONP, N0 Agmem~t, to pay, f~es• Qwnef's/ad~sslph4IIe MAX SPAUI:DING ~ 2200N UAIIVBRSI7'Y Builcling Com,asC Ferson: -Jeffforry F.m 103 /.TULIE SH&TTO .Phone ~ 456=3675 Date Submitted Description lnitlait . .,r I`' , AOMMMENT TO PAX`R5 OR PRI.ORff Y PEB COMPLETSD 8t C4PY TO AC OI;INTM J / NOTICE TO PItBUC # 13 46 CONPLBTED - OR NEEDS TO BE SIGNED ^ - , DETGN DLVIATION SUBhffrMIDATE COMPLETED ~MAI:LED BUN'D AMOUNT W MTED - - $ - BON,D RELEASBD - RaAD & DRAIlyAOB' IW'RbVENTsNTS - sT~~ MYLARs To p~T TEcxMcAN'(sYLrsr°zANrE) / / APPROACH PERMIT # ROADY,S ~049P )L WIDTH/S ZQ ~ co•~-~~ / ~ • /e . ~j~ Gsr~ 3u~C _ t .~1a?'p' .~e~ ~ a _ ~ Q.~~o . F~ ~,T C N1 Jc~ ~ • ~ _ _ ,~4L. } To , _ _ ~ ~i.,d~•.?s _ - 1~ • /.3 •9,~ da.C.~~✓~ ~ /.f/• ~ _MS sio 4146v~ ~0~ I ~^Pr Ao-O _ 'r~► G.. ~ ~'o r ~ A;" ' 12 ZJ - 9-6 ercq , I ~ IL. AJ4 ta 10 _5 • (:~~"~,T/~~~~ ~ 1 f? c.~ /E'~.~ • ~ /F9 ~c.~~ i2. _ 1~~~ ~~J~ l o ~8~ . ~Q ~ ~ Z7- 9-!;:- FROJECT NUMBER= 95007872(-' APPLICATION AAf' , 11/17/95 PAGE= Ol THIS IS NOT A PERMIT PENALTIES WILL 8E ASSESSED FOR CONIl+lENCING WORK WITHOUT A PERMIT SITE STREET= 10414 E KNOX AVE PARCEL#= 45084.0106 ADDRESS= SPOKANE WA 99206 PERMIT USE= RETAIL/OFFICE BLDG PLAT#= 001853 PLAT NAME= OPPORTUNITY PLAT # 2 BLOCK= LOT= ZONE= I-2 DIST#= S AREA= 00000000 F/Aa F IDTH= I~I= R/W= # OF BLDGS= 2 # DW~ GS= WATER DIST = 1 f OWNER= SPAULDING, PHONft STREET= 919 E a 1112DRESS= KANE W 206 , - ~ . C014TACT NAME= E LLY y PHONE NUMBER= 509 5 3668 B ~DING S TBAC •;~FRO 105 LEFT= NA RIGHT= 17 ~ 115 . . ~ - , ~ ; ~ p TIO ~~rr**~~ ~ . ' DEP 'rMENT REV EQ EME ~ BIIILDI G RE W~W COO TOR J S TO CONMENTS : . ` , j,r BUILDING PLAN IEW REQUIRED commErrrs : FwnNCfs Aov FowN wttg a 1 ~ SUILOING EA, TAR QUES D i I 9 # NT • 8 IL ZONIN SITE REVIER GGl/~Q -j . OMMENTS : ' ~ j~` ~ SEPA REVIE ENVIRONMENTAL REVIEW REQUIRED ~ ~ COMMENTS: ~ ~ ENGINEER APPROACH/ OOD PLAI DRA f PCAi ` CONMENTS : qzl~ ENGINEER SITE DRAINAGE TO B EV D . ~2 . 9,~ ~00 /.Z 27. g'S' 4 z~4r~°.vs ~T a PROJECT NUMBER- 95007872 A.PPLIC&TION . , DATE- 11/17/95 PAGE= 02 eaMMENTS : , I HEALTHDIST INCAEASE IN LOT COVERAGE e42 , COMMENTS: ~ . FIRE DISTR FIRE FLQW TQ BE REVIEWED ~j . CCiMENT S ; A-2-4 YG_z,~ ~ ~ ~-JI E_ ~o ******************.rr**,rr********* BCJILDING PERMIT . CoNTRAcToR= BAKER coNsT, & nEVEx,oPMENT zNc PHONE- 509 s 35 366e STFtEET= 3625 E SE'FiAGUE AVE ADI?RESS= SFOE{ANE WA 99202 't JNEW= X 'kEMOrDEL= ` ADDITIQN= CI3ANGE OF USE- DWELL UNITSa ~ OCCUP. LD= HLDG HGT= 12 ' STORIES- 1 BLDG W X D= 50 X J64 SQ E'T= 3200 SFRINKI.ER= N ; REQ FARiCING-- #HANDIGAP- CRITICAL MAT= N DESCRZPT ION GR4LTP 'Z`Y pE "SQ FT VALUg1TIQN M -a----s- sxvxE rrO or ItN ~ 3200 112064.00 ~ ~ ITEM DESCRIPTION i QUANTITY FEE AMUL1I+iT ~ i------s~~--1--w--------r ----s--- a----r---^ COMME RC IAL VALVAT I ON ~ Y 685.00 PLAN REVIEW FEE Y 445.25 FASTTEtACK FEE Y • 1130.25 STATE SURCHARGE Y 4.50 " yr* ENGINEERS REVIEW Y 50.00 C4M+IEPtCIAI, SURCHARGE Y 237 , 35 PLNG-INDUST ZONE USE. 123 Y a325.400 ~I FLNG-CaMM SO.Ffi-IK-SK: 127 X 54.00 a . d **,~~****~r~rr*rr~r~***~*~~*~~*~~~r~r~ FAYAlEN'1` SMIlKA,R3t * PAXMEI+?T DATE RFCEIPT# PAYMENT AMOUNT 11l06,I95 00010e44 2931.35 , -----i-w--w- ~ fiaTAL DuE= .00 TaTAL PAzD= 2931.35 pERMzT TYp~ ~~E AMocrNr ouNr PAiD AMoUrrr awiNG rr~--i-fWr------ r~------si---A --r---E---wi f\~~~~~------- N BtJILDING PERA+IIT 2931.35 2931.35 .00 --------w--r ~~~~~~--.rr-rr v z93i.35 2931.35 .oa FROCESSED BY t JTlLIE SHA?.'TO PRINTED BY: JULIE SHATTU ~ ~ Page 1 . • OFFIC$ OF TSE COUNTY ENGINSER SPOKANE COUNTY, WASHINC3TON Project: Spalding's Auto Supply Bldg. Date: 10/9/95 Addresa: E. 10414 Knox Ave. Ref No. B95148 Parcel No: 45084.0112 Review Pre App The County Engineering Department has completed a review of the above referenced project. The following information must be provided in order for us to proceed with our review. A) A drainage plan for the site shall be prepared in compliance with Spokane County "Guidelines for Stormwater Management". At a minimum the plan must contain: 1. Dxainage calculations for stormwater volumes generated on aite. 2. Calculationa for total impervious surfaces contained within the site. 3. Finished grade elevations for etructures to be constructed on site. 4. Copy of the proposed landscape plan. 5. A typical cross section of the 208 swale. 6. Calculations to justify the number and type of drywells proposed. 7. Elevation of drywell inlets where applicable. 8. Finished grade elevatians at the top and bottom of the 208 swale. B) The subject property ia affected by the "Findings and Ordern and the "Conditions of Approval" for the following land use action: Spokane County Zone Change No. 177-55 C) The following improvements within adjacent Right of Way are required prior to the releaee of a building permit: 1. You must submit road and drainage plans for street improvements. These must be prepared by an engineer. Plane must be prepared for the following atreets: a. Knox Ave., Local Access, Commercial . ' Page 2 . . All required conatruction (sidewalk/curbing/pavement) within the Public Road Right of Way is to be completed prior to the release of a building permit or a financial guaranty in an amount estimated by the County Engineer to cover the cost of construction or improvements shall be filed with the County Engineer. Required plans are to be submitted prior to estimating the amount of the financial guaranty or permit release. 2. Approach permita must be obtained, after a site plan has been approved, and before the issuance of a building permit, from the County Engineering Department for any new or improved driveway apgroaches to the following streets: a. Knox Ave. D) Insufficient inforrnation was submitted with the proposal. We are unable to proceed with our review. We will need the follawing before we can proceed: 1. Site Plan. 2. DKainage plan as specified. 3. Other information: a. A parking and traffic circulation plan shall be submitted and approved by the Spokane County Engineer. The design, location and arrangement of parking etalls shall be in accordance with standard traffic engineering practicea. Paving as required by the County Planning Ordinance, will be required for any portion of the project which is to be occupied or traveled by vehicles. It ie illegal to back out onto the Right of Way. E) Utility Condition: Permittee is responsible for arranging for all necessary utility adjuetments or relocation as required for completion of the improvement. F) The owner of the property or the authorized representative nctust complete and sign Spokane County Engineers "Agreement to Pay Fees". This document muat be returned to the County Fngineers Office. Plan review will not be•completed until this document is executed. This document is attached to these comments. Please return the completed Agreement to your contact person at the Engineers Department. The applicant or their repreaentative ie responsible for including each item that is marked "Required By Thia Project" in r Page 3 . • their submittal in accordance with the checklist descriptions. Each item submitted that ia to meet the checklist shall be checked off by the applicant or their representative. Submittala which do not conform to the above requirements will be retumed for further items with no review being accompliahed. This will prolong the review process. If changea occur in the requirements for the project because of further conversatione with Spokane County representatives, please attach a note explaining the agreed upon change in requirements. When the applicanta' submittal is finally approved, the Engineers department will release their portion of the Building Permit. Your contact person at the County Engineering Department is Doug Buako, 456-3600. ND SAVE II.L A Far securlry purposes oa SFALDING AU'M PART'S } INC. D11 42ill bereby asslgas to SPOKANE Ct~JN1'Y, a~itlrai ~bajvsioa of ~ue swta oe tngton, tim following. . Sovings Certificata Numbec 200-210-844-7 in tltc Euce smnunt af $,6i500.00 and IieIJ in and by WASHINGTON TRUST k3ANK 8ank of SPO _ NF:. WASHTN('~ t't~V I VAGLEY FINANCIAL CFNTER 13rancli Tliis assignment ts made a9 security for tha futl and fuittiful perfornlAncu by FkWING ~ PARTS. I1VC. D8A of c~:rtain roads, menuments and dratnnge factlities fur SFALDING AU'PO PA~ " ULG AND SAVE as apecified 1o tba lypical section and roadway improvemenl specificativns for said prajecl, elated DEY-04BER 27 , 199 95 and on file fn tlie Office af tlia Spokane Cuuuty Cn6iueer. A.ny iaterest beneCis accruiag unJer said saviiigs cenjtieate s1ia11 reaiaiq the property of SpALDING AUM PAR'TS, INC Said savings certiflcate to be released to nmgj~r or any other party only witl► the prior writtcn conscnc and agrcement of SpoEcane County. PROVIDED, FUR'IIIER, the undeFSigned does hereby autliorize WASHINGTQN TRUST BANK to pay over to Spokane Cuultty all or e suffjclent portion of the niouies in ilie savl{'~gs eerilficate ref~enced hereinabave upon writtea doeumentatiou being receivecl frnm tlte Spakaae Counry Engiaeer fnUicattng th:►t cl,e purposes for wlsicb thc saviqg,s e.ertifieate was assigned !►nve aot beeit fully nnci fnitlifully nerformed as req iIrecl and a statenitat ot Ihat emount of moneY whlch thc County Engtneer as cequirev and a statttuGOt of tliai amoulit f monay wliieli fIie County Engineer deep15 uece.sSa[yl to oOqiplete sucif OWig81i0i1. Upoii rcr,etpt of sucfi wntten (incun ntalion, SPALDING AUTO PA&TS, INC. ltereby autUorizes WASHINC" TRUST Aa4NC f DEA PULE MD SAVE to rolease to Spokane Counry that amaunt of money requested uP fo the nuiximurh amount In tlie savings certificale. l)A'f13-13 this 27th day of DDCIINBER , l99 5 _ BANK 0F SPOKA►NE, WAOINGPOIV WASNINGTdNiTRUST BANK ADDRESS P.O. BOX 2R27 I SPOKANE, W#4S 99210-2127 WASHINGTON TRJST BANK ZIP COQE ~ 4 ~ ~ By: V-tce Frrsideat ~ ! ~ SecrCtnry DATLD this day of : ~ , ~ 1. ~ ► ~ , 199' . - DEvrl orEn S?'A'M OF WASNING'IY)N ) :ss Guunty of Spokane ) OQ thts daY PersonallY aPPeared before me ~ l l£ ~ , ( ~ ~ ~ ~ > ► ~ ~ C'~ f ~ to mT ktiown Io bo tlie htdividua clescrjbed in and wlio exceuted tlie willitn and far going instruaiane, and aclcnowledged tiiat ?signed itie same as free and votuntarY act and deed+l fnr tti~ uscs and PuRrosss therein mentioneci. GIVEN UNbER MY HAND AND 01-T1GIAI. SEAL,tlds 1 day of l v, 199~1 . ' fl 1 I No1ary ubtic in and for 11~6 ..:aWasbiogtun, restding at Spotcane k1i1l1psstga bon U94 BOND ESTIMr%fE PROJECT Spalding Auto E 10414 Knox NAME Doug Busko DATE 22-Dec-95 DRAINAGE ITEMS UNITS QUANTITY PRICE COST 1) Orywell - Type A EA 1250 00 0 00 2) Drywell - Type B EA 156000 0 00 3) Grate - Type 1 EA 31500 0 00 4) Grate Type 2 EA 34000 0 00 5) Grate - Type 4 EA 30000 0 00 6) Backfill For DW CY 16 00 0 00 7) Concrete Inlet EA 75000 0 00 8) C M Pipe 10" Dia LF 2300 0 00 9) C M Pipe 12" Dia LF 2700 0 00 10) C M Pipe 15" Dia LF 2780 0 00 11) C M Pipe 18" Dia LF 31 50 0 00 12) Precast Manhole EA 150000 0 00 13) Solyd lid EA 31000 0 00 14) Oitch Excavation CY 1000 0 00 15) Sod SF 0 70 0 00 NON STANDARD DRAINAGE ITEMS 1) Wilbert Vault Curb Inlet EA 25000 0 00 2) 0 00 3) 0 00 4) 0 04 5) 0 00 6) 0 00 DRAINAGE SUBTOTAL 000 16) Monuments EA 18500 0 00 17) Banicade LF 33 00 0 00 18) Street Signs EA 85 00 0 00 OTHER SUBTOTAL 0 00 GRADING, SURFACING, CURB, AND SIDEWALK 19) Rough Grade CY 623 1000 62300 20) Top Course CY 467 16 00 74720 21) Base Course CY 1600 0 00 22) Asphalt Concrete Tons 319 4440 141636 23) Curb Type A LF 7 00 0 00 24) Curb Type B LF 3383 8 00 270640 25) Curb Type R LF 8 00 0 00 26) Sidewaik SQ YD 1670 0 00 NON-STANDARD ROAD ITEMS 1) 0 00 2) 0 00 3) 0 00 4) 0 00 GRADING AND SURFACING 549296 GRAND TOTAL 5,49296 ROADWAY EXCAVATION , -973.1 C.Y. CRUSHED SURFACING TOP COURSE -729.9 C.Y. CRUSHED SURFACING BASE COURSE 0.0 C.Y. ASPHALT CONCRETE -498.7 TONS CURB TYPE B 338.3 FT. STREET QUANTITIES PROJECT NO.- B95148 DESIGNER- DWB DATE- 12/21/95 PROJECT DESCRIPTION- SPALDING AUTO E. 10414 RNOX STREET # 1 ATAME- KAdUX LENGTH- 338.30 FT. WIDTH- 6.50 FT. BEGINNING STATION = 1995.70 ENDING STATION = 2334.00 ONE SIDE ONLY PWIDTH= 18.50 EWIDTH= 12.00 QWIDTH= 0.00 TERM # 1: TAPER TAPER LENGTH = 50.00 TERM # 2: TAPER TAPER LENGTH = 50.00 ITEM MEASUREMENT QUANTITY SLIRFACE ARF.A- 2523.95 S. F. ROADWAY EXCAVATION 0.67 FT. 62.3 C.Y. CRUSHED SURFACING TOP COIIRSE 0.50 FT. 46.7 C.Y. CRUSHED SURFACING BASE COURSE 0.00 FT. 0.0 C.Y. ASPHALT CONCRETE 0.17 FT. 31.9 T4NS CURB TYPE B EXISTING 0.00 FT. PROPOSED 338.3 FT. TOTALS ROADWAY EXCAVATION 62.3 C.Y. CRUSHED SURFACING TOP COURSE 46.7 C.Y. CRUSHED SURFACING BASE COURSE 0.0 C.Y. ASPHALT CONCRETE 31.9 TONS CURB TYP£ B 338.3 FT. -.z IrnpSOn Gnqlneem Inc. CIViL ENGINEERS d1ND LAND SURVEVORS N. 908 Argonne Road ~ Spokane, V,VA 99212 (509) 926-1322 o Fau: 926-1323 TO: SU6JECT: KrQy DATE: 1 , LS Qdj ~ - s aC d ~ ~ ~ i~Q~~ rs • ~ U & ~ ~ ~~-~5• M t ~ , ~ - cA. L La . p ~-~S o-!~ - Fly",.~=l~ C's a A Cv lr,~~ S s ~ r-- r.. v -T' I _ i i - sierled t1 . CLARENCE E SIMPSON ~7 impson Engineefs, Inc. • • 1901-1987 RICHARD L SIMPSON CIVIL ENGINEERS AND LAND SURVEYORS CHARLES E SIMPSON Lrcenced rn Washington and /daho N. 909 Argonne Road Spokane, WA 99212 (509) 926-1322 Fax: 926-1323 SPALDING AUTO PARTS DRAINAGE EASEMENT Pond "A" The followmg poraon of Tract 268 of Opportunity as per plat recorded m Volume "K° of Plats page 20 in Spokane Courity, Washmgton. 6egin at a pomt on the North line of said Tract 268 a distance of 400 00 feet East of the NW corner of said Tract; thence East along North line of said Tract a distence of 105.00 feet; thence South e distance of 45.00 feet; thence West a distance of 105 00 feet, thence North a distance of 45.00 feet to the True Point of 8egmrnng. Pond"B" The Nort,h 40 00 feet of the West 25 00 feet of the East 29.00 feet of Tract 268 of Opportunity as per plaG recorded m Volume "K° of Plats page 20 m Spokane County, Washington ~ w~,sti~ = Z~~ , , o9b? ; ~L LAN'~ ExpIREs 7- 17, 9 3/ ~ .0/ -scatuaw PROJECT NUMBER= 95007872 APPLICATION DAZ 11/17/95 PAGE= 01 TNIS IS NOT A PERMIT PENALTIES WZLL BE ASSESSED FOR COMMENCING WORK WITHOUT A PERMIT ~ ~ ~------------------------------------r--------------------------- ~ SITE STREET= 10414 E KNOX AVE PARCEL#= 45084.0108 ~ ADDRESS= SPOKANE WA 99206 PERMIT USE= RETAIL/OFFICE BLDG PLPiT#= 001853 pLP,T NAME= OPPORTUNITY PLAT # 2 BLOCK= LOT= ZONE= I-2 DIST#= S AREA= 00000000 F/A= F WIDTH= DEPTH= R/W= # OF BLDGS= 2 # DWELLINGS= WATER DIST = OWNER= SPAULDING, MAX PHONE= STREET= 10914 E KNOX AVE ADDRESS= SPOKANE WA 99206 CONTACT NAME= TERRY KELLY PHONE NUMBER= 509 535 3668 BUILDING SETBACKS: FRONT= 105 LEFT= NA RIGHT= 176 REAR= 115 *~r*,~r,tit~t,k***,k*******It**,t**~*,it** ,k*~r,k~t♦t**,t*~*dt,k,k*dt****~r**~ir*~t~r~r REVIEW INFORMATION DEPARTMENT REVIEW REQUIREMENT BUILDING REVIEW COORDINATOR - J SHATTO COMMENTS: BIIILDING PLAN REVIEW REQUIRED . COMMENTS: BUILDING EARLY START REQUESTED CONMENTS : , BUILDING ZONING/SITE REVIEW , COrMENT S : SEPA REVIE ENVIRONMENTAL REVIEW REQUIRED , . COMMENTS: ENGINEER APPROACH/E'LOOD PLAIN/DRAINAGE COAMENTS : , ENGINEER SITE DRAINAGE TO BE REVIEWED A 22 . 9S l~2cGST- ,0~ 651~ ~.S~.l 4bo I,PbOC% ANA w A 992ft Q,aop 32I ~~1~dIL V c4 n~. ~o~►d► 09 ~►rg°~ ~ F~• 920312 ~ . ~ - - . TU ~„to►.a~ ~ , - ' - - ~ 0-0 y ~ ~ ~.,r. , ~r' ~ _ • OOW ~ ~D J - , c ~ S' - ' r ~ ~ , t~ . owowo ' I - C\ ' r _ ' , ■ . 0-0 . _ ~ ~ ~ _ - i woo" ~ . ~ - ow • ■ r ■ -r ~ ON ~ 00 r ~ i ~ i ~ , St9n~d ~ _ 1 • . PERM T DOCUMENT TRANSM TTAL - Spokane County Division of 6uildings 1026 W Broadway Ave. Spokane, WA 99260 Project Address: E. io y iq Krs o xA%iE Project q5 •167a1 9 5•q153 Business Name: SPQ u LD 1u 6's CONTACT: -TEe.ey 1.<e LL.~ 8AKEM Co N s-reu cr10J41 Phone: 5 3 5• 3 lo l0 8 Mailing Address: E. 3(625 SPaa6uE ~ SAOkaAE ~ WA Rqaoa . COORDINATOR: TuLG 54jkTTo Phone: 4 sb -3&-15sg.r 128 DOCUMENTS CIRCULATED T T T T , Description ~lflil Enb"s wam W:~ ~im" V.VV► siTE PLAr-I x JC X I ?C X CoNSTQUc.rioN DaAwiu6m K Received By I_ I I Date of Transmittal: Circulated by: - . ~ h NOV p 3 1995 SPOKME COUNiY EN61NEfR ~ • PERM T DOCUMENT TRANSM TTAL Spokane County Division of 6uildings 1026 W Broadway Ave Spokane, WA 99260 Pro1'ect Address: 164 I/ Project ' 6usiness Name: 5 A . CONTACT: Phone. . 47 a-2-1 16 Mailing Address: 10 U t ~ COORDINATOR~ Phone: . ~ . DOCUMENTS CIRCULATED Fft . Description auuav ZU" Kum cftw U90fts SCAMA . i r • ' ~ Received 6y Date of Transmittal: 0 Circulated bY: ~ R ~C Fj . . ~ OCT 1 7 1995 ~ sPOW,+L ct L°P'rti t•~.:~KEER r ; RUCTION I.-CO~,,, ~'R~- - ~ E -APPt,ICla • - ` , , 4 _ lIEAI.,TH ~ ~~ANNING ~ ~ . $UTLDING t { ~ ~CAP a DI5T~ ~ a 1~~} ~ Y ~ DREss: ~ AD . P,4a14E- ~ ~ . , owNEg: x Ui r~u DREss : D~,Q~zn AD ~ - . A1~~= T3U SI1~ESS N _ pHo ~ . CoNTACT o ~ ~ . RESS. ADI3 LEGAL DESCRIPTION' L45 - i b ~ D~'4. 0 : pARC ~ EL ~NIBER ~ - DESC~~aN: -Cc ~C TAILED PRal DE ~ ~ At- td~Jls , VALUE. . ~ ~iti ^p ~ i . ~'3 z~~r.. , Y , ~t'~,~ ~ ~ • ~s' ' y~- C`~+~~`C7 ~ ~ { ~ ~ » ~ N • H ~ 1.~ ^ ~ " y " '~'F~' j . j`~~7►~ • i x ~ »s ♦ N • ' ' ~ r » " 4 Y 2' ~ ~ ~`•,i ~ }l!"i'"~SQ2~''~'~ ~ . ~ LP r ~ ~ .?A 34 ~ ~ - , W COt~RI~ XT~ ~A RE~ ~ ~ ~ cMcvLaTEp ~Y,. PROJECT NUMBER= 9500787' AFPLICATION DAmv,= 09/29/95 PAGE= 01 ***w-** THIS IS NOT A PERMIT ***v*'* PENALTIES WILL BE ASSESSED ItOYt COI+MNGSNG RORK WITHOtJT A PERMIT SITE STREET= 10914 E KidOX AVE PARCEL#= 45089.0108 ADDRESSa SPOKANE WA 99206 PERMIT USE= PAC ON 10/9/95 @ 11:00 - DISMANTEL HLDG & RETAIL/OFFICE BLDG PLAT#= 001853 PLAT NAME= OPPORTiJNITY PLAT # 2 BLOCK= LOTa ZONE= I-2 DIST#= 3 AREA= OOOOOOOO F/Aa F WIDTH= DEPTH= Yt/Wg # OF BI+DGS= 2 # DWELLINGS= WATER DIST a OWNER= SPAIILDING, MAX PHONE= STREET= 10414 E KNOX AVE ADDRESSa SPOKANE WA 99206 CONTACT NAME= JOE STOY PHONE NIIMBER= 509 922 3990 BUILDZNG 3ETBACKS: FRONT= 105 LEFTa NA RIGHT= 176 REAR= 115 gEVIEW INFORMATION DEPARTMENT REVIEW REQQIREMENT ' -----a----r----- BUILDING REVIEW COORDINATOR - J SHATTO CONMENTS : **~***~~*~~**~**~**,t~~~****~*~~ BUILDING PERMIT CONTRACTOR= UNfQJOWN PHOATE= STREET= tJNKNOWN ADDRESS= UNIINOWN WA LINKNOWN NEW= X REMODEI= ADDITION= CHANGE OF USE= DWELL tJNITS= OCCUP. LD= BLDG HGT= 18 STORIES= 1 HLDG W X D- X SQ FT= SPRINKLER= N REQ PARKINGa #NANDICAP= CRITICAL MATa N PROCESSED BY: JULIE SHATTO PRINTED BY: JULIE SHATTO THANK YOU ***********~~*****~~***~*~~~,~t***~~~,t ACTION: R SCREEAT: LEGL USERID: SHAT CHANGE-REASON: ti-r~~~~~--~~---------~~~~~~ LEGAL DESCRIPTION JURISDICTION= 11 ROLI= R$ PARCEL= 45084.0108 YEAIt= 95 PAGE= 1 LZNS DESCRIPTION 01- 1 10 OPPORTUNITY EXC HWY 8269 02- 03- 04- 05- 06- 07- 08- 09- 10- 11- 12- 02-*L009 FIEADER CHANGE AcTzaN: R sCREEx: LEGL USERID: sxAT cHAxGE:REAsOx: -----a~.-----ii ~--lirrr-~~~~~r~r a~ LEGAL DESCRIPTI41+3 ► ~~rr~ww~~~~~~~~~s~~~~~~~.f~~a~ .s~w~~~~~~r~rr~~~~~~~~~rr~r.rr~~~~ ~~~~~~~~w~w~~~~~ JtnusniCrioN= 11 RarL= Rs PARcEL= ~ 45084.0112 YEAR= 95 PAGE-- 1 LINE DESCRIPTION = - .ii~~~~~........i....i.......i. 41- 14 aPPORTUNITY N1 f 2 B268 EXC W300FT & LXC HWY; 02- a3i 04- 05- 06- 0I - 08- 09~ 1Q- ii- 12- a2-*LOa9 HMMER cxAxGE ~ . b F S p 4 I{ A N E ~ C7 l..l N T ~ y Office oR Z`HE Gout+rrir ENctNEIER • A DivimoN vFnHE I'veuc Woxxs DEPAltrmzNr Ronatd C Hnrmann, FE, County Engineer Deanis M Scatt, P.T. Dhector ENGn4EER'~ ~~REnMNT NUmsER This agreement between 5P0k2ne Caunty an~ ~ rx- (/Orl" CA4 whase interm iA the praject is (Dwl~ e - ma a rso ti c awner, agetn, eu.) ' is entered into thig f0 day of rllC. 4-- , 19 'I'his agreement is applicabie ta #he projed known as. 5 /D °Y f Y KNo ~ a e- -1PcnjtcfMress or ilemme m er That the iRdiuiduak and parties named herein as having an 'tnterest in the ahove described property or graject a$ree tQ the fallowug. I. Reunhurse SpotaneCounty far pro,ject review and 'uispectian fm as specifieti in Chapter 9.14 of the Spakane Caunty Code. '['he fees will be base.d on achual salary costs iacurred by Spokaae Caunty far project reviews and 1 or inspections plvs a#en percent administrative charge, and wiIl he billed rraonthly as accrued Any billing amvunts due, including any expenses incurred in the coliectron af an overdue accQunt, must be paad privr to the Cvunty's acceptance vf the project for ffling. If a project is approved andlar filed with a balance still owing, the unpaid balance shall be paid within 30 days of the invoice date. 2. The undersigned agrees that these fees are due and payable npon receipt of the billing as spectfied ahove 3. Anty invaices uot paid within 30 days af the invaice date will 6e considered deltnqueat. If any vutstanding balance on the account for this project is not paid within 30 daps of the mvoice date, no further reviews of the project documents wilj be conducted uniil the entire acoount balance is patd Any balance on tbe accaunt for thi,s praject not paid within 65 days of the invaice date may fesult m legal action ar the initiatian of other cvllectinn procedures, including referral to a collection agency. The Sponsvr will be Iiabfe for any and ali expenses incurred by the Ca►unty fvr the colle.ctiaa o ue acc+aunts. ~ 4 1'he mon~y billmg shauld be sent ta the attcntion of: NAME: # & Q ADDrRESS; N 'v f CITY, STATE: ~ e- ZIP CODE• PHONE L) cl , I understa.ad that failure to pay these fess may result in deIay► in completion ar appmval af the praject or ather possibIe sanctians Cl Lf this fee agreement is cample#ed by someone other tian the Sponsor (i e., the prQject owner or a principal in the €irm spOnsOring the project),, such as the Engineer designing the pcaject, then written autharr7at[an frarn the Sponsor specifically authorizitrg the Agent to execute lhis Fee Agreennae ' ttached to this Fee Agreement, STGNATURE By:~,~ ~ R I" u 5rs~ ~ ~ Id v ~ fi t f ~ (PRINT NAME) ' RETURN YELLQW COPY TO SPOKANE C+DUNTY ENGIINEERS klpltlsgtfta= rct 2ftl9s 10261N. Broadway Ave • Spokane, WA, 99260-0170 •(5fl9) 456-36,00 FAX (509) 324-3478 TDD (501) 324-3I66 -r . . ~ . ~ . - ~ • • • • • " ~ . ~ . . « ~ . . RriRoTw~Y fi€PAR1MENT _ . _ _ 6€fb ~`v~L"~~ec~ti~ 1C~Pf1o1~"ci~ ~~AMiT~ X. 7~ir ~ _ i- ~ ~ ~ ~ ~ • { ..t}~`..'. ar~" ; » v J ! Vti f O ,..~i~(~.~.~; ~ ~ ~,v .~c ~ ~ ~ ~:i -►~~-.--`~?344-? ~~"~..»:ii:.:s.i~:p•'~~ti,.,~n s ~a2 . . . : _ ~ e~r--t ecALIF_- x ~€-~ic ~toAU AMN fiAN bltdlEiJstoN"s x ~liN~e~_. _ _ ~ • eE'fi-J~iei6~C l~iowtt X 9fi~Mfi X PAi~`iNgi fiuTisc-o dmcii ~iio~i X r~rr1c ci~tcUl1~~I0~1 PN X LANiScAPgPLAA~i (2--8coNrUff x _ . X _ . Vfvr- lyLitmi-iliu-sol~s~~ ~io~k Bet.li , ~ ~7 • :r~= 4.~s~._.~3_. " s•!IU1a~l\,v_~'i''_ _ - _-~n:Ms.-r~_.. -._.---~.:.rr_-~a: z~1 -..~n ' . oo( con~ru. . c~~.on I r~A c on*ffoo x -x 8wi~li voluj»e cui~ui8tioi~9 X 113*019 C(obs ffoc oii --M----w-~-- _ --y: - ~ . - . _ . X . firo bevijoped cond111611 poel pevetopa condiiio-ii x 3KX sWiAl e'oIL 'I€eYe ~i ficii cALUI~l`oN"s Pi~~AckiNM€R cALcUt.ATONs fi~ cALcUt:AfiloNe ~t~Tf oNM€fiEW15N cAlce _ _ _ _ ~ _ _ _ _ , _ _ _ • w ~ +I ~1~ ~~0 • 8~0~~_ ~ _ _ _ _ _ _ .r._.w. « fi~ I~CH-At'YBi13 --r• : - s _ .-.-t-. a _.,..._.~1A ~:s ~.J~~~7V • _ ..~»x-~-~s: t: _ „ . . _ _ r ~F=' -A ' _::~~-.:..-f M..~4~ ~ _ . , • ~ 1 . t , ~ .°,;,D 3i • . •,~fi a ~~r~'-~"'"~.t~~sl.. •~•..--s•~-- : ._•1-- :tst ~ o troUV. ~gnc~~m~t~ _ . " ~u~e~ ~~~aes ~.e~ _ . ~d. ctoes sio e 2.0 ~tM~ttgue ~e gr _ _ - hatne ~ ort ane cutva gmild ii-Aue,iio ildvementeec olt i~ otsifoo si~ s - - - _ ~ _ _ . _ ~ _ . _ ~ ~ wT - _ ~eere rn _ _ _ ~ _ _ ~ w_ Qu~~tes~oh~ YI6r ~out~~Y p . , ~ • ~ r 1 o r' r i ' t 1 , a STORMW.ATER DRAINAGE REPORT foi the pragosed addiUon to Spalding Auto Parts and unprovemmis to ~ Knox Avenuc west of Universst , Road ' Statioa 19+95 7 to 23+37 7 ~o~F . , ~n the SE 1/4 of Section 82 T. 25 Iy, R. 44 E W MV ~'N'p ~9s Spok&ae County, WasWnb~ton O November 22, 1995 - . ~ ~ Report Prepared I3y. Simpson Engeneers, -1nc. , Rlor#h 909,Argonrte Ro3d SpGkanG,-11 YA 794212 SpQKA~ PROJl.CTNQ 13140 ' r ! / OEgR 1 TABLE OF CONTENTS Knox Avenue Subbasin Deta S~ • S'/ ~ ► Basins Draining td Swa1e "A" . ~ Basins Dcaining to Swale "B" -JDj I ~ Capacities of Curb Opening Inlets ~ONAL Rational Formuta I3ydrolo& and Bowsting Calculations ExwaES x1170 ys ~ S, C S Soils Map and Descnptions Spaldmg Autd Pms/KnoY Avenue. Stocmwater Drainagc Rcpor't dmina6,c21cWcs113140b . . .i , Krlox AvENUE sUBBASIIVs West Subbasin- .Gunits Station 20+50 to 21+50 Asplxalt Area: (203,1 x 100') = 2,000 sq ft= 0 046, acre Q,'Ct = 0 9 I Stormwater runoff from tbis basin will eater Swale "A" via a proposed curb drop at Station 2,1+00. Central Subbasin Lumts Station 21+50 to 22+20, Asphalt Area (20' x 70') =1,440 sq ft= 0 032 acre @ Ct = 0 9 Storrnwater runoff from this basin will enter Swale "A" via a proposed curb drop at Station 21+75 ~~*~«~*~~*o*~~~«~«*****a~****~$~~~*~*~~~~*** East Subbasin Limits Station 22+20 to 23+75 Asphalt Area: (20' x 155') = 3,100 sq ft= U 07 acre @ Ct = 0 9 Stormwatex runoff from this basia wiU enter Swale "B" via a proposed curb drop at Station 22+87 Spaldueg Auto Paris/Knar Avciuic Srormwatcr Drainabe Report drai nabc2lcalcs1131 4Ob . s BASM DRAINING T(J SWALE A West end Central Basins of Knox Avenue• Asphalt Pavement = 20' x 170' = 3,400 sq. ft West half of Parking Lot: Asphalt Pavcment =(77' x 92') +(IS' x 22') = 7,414 sq ft. "208" Area (3,400 + 7,414) = 10,814 sq, ft= 0 248 acres @ C= 0 9 "208" Volume (10,814 sq ft) x(1 f2") x(1'/ 12") = 450 6 cu. ft minimum required "208" SVI/ALE A Pond Floor Area• 10' x 86' = 860 sq, ft. Floor Perirneter 192 LF with 3• 1 slapes on aU sides "248" Treatment Capacitv Pond Volume @ 6" Depth. 0 5(860) + 0.375 (192) = 430 + 72 = 502 cu ft. 502 cu ft provided > 450 6 cu ft reqwred for "208" treatment '"208" Swale A is OK for 111208" treatment @ 6" depth Storage Caoacity Pond Volume @ 8" Depth 0 67 (860) + 0 67 (192) = 576 + 128 = 704 cu. ft 704 cu. ft> 195 cu. ft required with Type "A" dryweU, as per bowstruig "208" Swale A Es OK for stora4e @ 0 3 cfs out#low rate 6 ~ Spaldins Auto PartsllCmx Avenue Slormumler D.rainagc Report dr.~u~ge2l~alcsU 3140b .s BASINS DR.AINING TO SWALE B East Basin of Knox Avenuc Asphalt Pavement = 20' x 155' = 3,100 sg ft East hatf of Park-ng Lot Asphalt Pavement =(95' x 92') +(15' x 24') +(15' x 15') + 3(le - '/an10) = 8,744 + 360 + 225 + 65 = 9,390 sq ft "208" A►rca (3,100 + 9,390) = 12,490 sq ft. = 0 29 acres @ C= 0 9 "208" Volume (12,490 sq ft) x(1/2") x(1'/l2") = 520 4 cu ft minimum requLrcd *«~**~*****~*~~~~*v~~~a~*****~~**~~~*~*~***~****~~*~~* "208" SWALE B Pond Floor Area (20' x 42') +(8' x 14') = 840 + 112 - 952 sq ft Floor Penmeter• 152 with 3• 1 slopes on all sides "208" Treatment CaQacitv Pond Volume @ 6" Depth 0 5(952) + 0 375 (152) = 476 + 57 = 533 cu ft 533 cu ft provided > 520 4 cu ft requued for "208" treatment "208" Swa1e B is OK for "208" treatment @ 6" depth Stora~e Capacity Pond Volume @ 8" Depth 0.67 (952) + 0.67 (152) = 638 + 102 = 740 cu. R. 740 cu ft> 34 cu ft required with Type "B" drywell, as per bowstr,ng "208" Swale B is OK for storage @ 10 cfs outflow rate Spald,ng Auto Ptirts/Knox Avcnuc: Stormatcr Drauwgc Rcport drwnage21ca1cs113140b BUILDIN'G ROOFS West Buildine., 60' x 40' = 2,400 sq ft = 0 055 acrc Stormwater on this building's roof shall be collected in gutters and piped dwectly to the Type "A" drywell in "208" Swale A. Q1o =CIA=(09)x(3 18)x(0055) = 016cfs East Buildinia 64' x 50' = 3,200 sq ft= 4 073 acrc Stormwater on this buildins's roof shail be collected in gutters and piped directly to the Type "B" drywell w"208" Swa1e B. Q,u= CIA=(09)x(3 18)x(0073) = 021 c f s *~**~**~«~~~*~***s***~**~**~**~**~*~*~~**~*~~*~*.~~ TOTAL TO TYPE "B" DRYWELL IN SWALE B From previous page, total asphalt draiiung to Swale B from east basin of Knox Avenue 3,100 sq R firom east half of parking lot 9,390 sq ft From above, roof areas piped to Type "B" dryweU in Swale B from West building 23,400 sq ft from East bwlding 3,200 sq ft Total impernous area drainmg to drywell in Swale B = 39100 + 9$90 + 2,400 + 3,200 = 18,090 sq ft= 0 415 acre @ Ct = 0 9 At 10 c f s outflow, storage volume requued m Swale B, wnh Type "B" dryweU = 177 cu ft(as per bowstring calculation for "Basin B Total") As detailed on previous page, Swale B volume at 8" deptb = 740 cu ft 744 cu ft> 177 cu ft required "208" Swale 8 is OK for storage @ 10 cfs outflow rate Spalci,.ag Auto Part.sJlCnoY Avenue Stormwater Dr.unage lteport drainage2lc:tlcs\13 l 4Ub . r • t cAPACITIES oF cURB aPENING rNLETs ~T LOW POrNrs WEST BASIN Curb Drop at I.ow Foint, Station 21 +00 Assume entue West Basin Q l() drams to on-sue pond via the curb cut a►t the low paint Given Q 10 _0. 13 cfs to 2 I.F curb apening to on-site p and H= a 145 Solae for Lenp-th 1. = Qio ! 3 087 H3f2 _ (0 13) 13 087 (0 0552) = 0 76 feet, rnintmum operung wndth Construct 2 ft. wide curb opening ta on siee pond CENTItAL BASIN Curb Drop at Low Foints Statian 21+75 Asswane entire Central BUin Q 10 drains to on-site pand via the curb cut at the low pvint Givett. Q1o = 0 09 cfs to 2 LF curb opening #o on-site paad H-a12s SoIwe for I..erigLh: L=Qro f3 087 H"2 = (0 09) I 3.087 (0 0442) = 0 6+6 feet, nunimum openmg width Canstntct 2 ft wide curb opening to an site pond EAST BASIN Curb Y]rap ai Low Point, Station 22+87 Assurne entire East Basm Q 10 drains ko on-site pond uia the cucb cut at tbe law paint Given Q 10 = 0 20 cfs to 2 LF curb opening to on-site pond H r-- 0. 166 Solye for I.en~t h: L=QLO 13.08T W2=(0 20) !3 0$7 (0 0676) = 0.96 feet, minimum opening vwridth Construct Z ft wide curb opemng to on-site pond Spal"g Auto Paxu/Knox Avenue Slnrrnwaler Drainage Report 4 clmmaSe2lca1cs113140 ♦ . ; RAT I ClNAL FOf;I`1ULA HYD,ROLQGY DATE 0/ 17/95 DLS I GhlCR _,C S'I MFSOIV BA5I N WEST I'hOJEET NAME = SPALD I tVG DE5C1; I PT I 0N = I:IVOX FiOADWh3Y DFiH I NAGE CUBAREA 1=' . U4b ACFtES SUBAREA 1 FUNCIFF COLFF T G SENT TOTAL,AFEA = .046 ACF:ES COMF'Q5 x 7E RUNOFF COLFN I C I ENT = alS , OVERLpND FLOW VALUES . Ct = .15 L = 20 !V = .U16 5 = .02 CHANPJEL FLI]W VALtJES L - 56 zi _ .172 Z}~ - 12 IV = .'a 1b Lt - ~ s _ .005 TD = .145, COMPUTED VALUE;S nuR = 5.00, I I,o' = Z"). 18 010 - .13 Qp = .14 . RATIOIVAL FOFMULA HYDRQLOGY DATE = 10/I7l95 DESIGNER = C SYMFSON BABIN MIDDLE 2I+50 22+22cj F'ROJECT NAME = SFALDING DESCRT F'T I ON = k;NO X F'OF,DWqY DRA I NAGE SUEtAFEH 1=. 032 ACFES SUT;$AREA 1 hUNOFF COEFF I C I LIVT = .9 TOTAL AFEA = .032 AGRES COMF'OS T TE RUIVOFF COEFF I C I ENT= .9 OVEFtLAiVD FLOW VALUES Ct = .15 L = ZU N = .0ib 5 = .02 CHANfaIEL FLOW VALUES L ~ 45 21 = .172 ZZ = i2. N - .016 T = 0 S - .UO5 TD = .125 COMPUTED VALUES DUR - 5.00 T10 = 3.18 u1 Ci - 09 -:-a QH .09 .J ~ RATIONAL FORMULA HYDFOLOGY DATE = 1 Q/ 17 /95 DES I GIVER = C 5 Y 1~iP50lV E+AS I N E€;ST 22+2u 2 y+75 P'F;OJECT NAME = SFALD I IVG DESCR I PT I ON =KNOX ROADWAY DFtA I IVAGE aUBAfZEA 1== .07 ACRE.'.► SUBAF+EAi 1 RUNOF F CCIEFFI C I EhIT = .9 TOTAL AREA = .07 ACI;ES COMPqS I TE RUNOFF Ct7EFF I C I ENT = .9 OVERLAIVA FLCIW VALUES Ct = .15 L = 20 N = .016 S = .02 CHANIVLL FLOW VAI`..UES L = eS ZI = .172 Z2 - 12 N - .U16 B = U S = .005 TD .166 COMPU7ED VALUES DUR - 5.00 T ld - 3.18 0 10 ~ . ~C1 _„a, QA :°.7 a 7 , t4~ • i kAl T ONfaL FOFit"IULA MY1»ULOUY DATE = 11 ! 17 / 95 DES16NEF = C S,IMh'SOIV BAS I!d WCS7 a T DE ,F`fiOJECT IUAt"IE _ SFALDIIVG AUTO DESCR I PT T DN = k;{VOX 'RCIWD AND WEST P'ORT I Old DF LO I- r,-.iUHAFtEA 1=.2.48 ACRES SUVHFEFi 1 FUNOFF Cl]EFF1 C I EIV1" _ .9 TOTAL AREA = .248 ACFiES C(]MPOaI TE r'UNDFF COEFF T C I EIV f= .9 OVEFLAND FLOW VALUES Ct = .15 L = 11,Ci N = . C►'1 b 5 = .011 GHANIqCL FLDW VALUES L. _ 0 TD = 0 COMPU rED VALUES DUR - 5.00 110 = 3.18~ 010 ~ .71 QA - 0. GO ` BvWSTRIIUG CHLCULATIONS DATE = 11/17/95 DESIGNER = C SrMPSUN BASIN WES1` 5iG PFDJELT NAME = SPALDTNG AUTO DESGRIFTION =KNOX FOAD AND WEST PORTTOIV OF LOrC t t Intensi ty Gldev. Vi n VoLit Stor-aqe (mi.n. ) (sec. ) (in. /hr. ) (c.f.s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 300 3. 18 .71 90 1 95 10.0 600 2.24 .50 iso 171 15.0 900 1.77 .40 '~9~7 .e. f 1 2-6 20.0 1200 1.45 .32 421 760 61 I500 1.21 .27 y 45 c:► -17 ~ 0. 0 18QQ 1.04 . c3, 44A. 540 -98 35.0 ~ 1 00 .91 .20 4.47 630 40.0 240f► .82 . 1s 458 720 -?by 45.0 2700 .74 . 17 463% s1n. -347 50.0 3400 .68 .15 471 9Uo -429 55.0 ~ 3 0 U .64 .14 486 990 ;04 60. C1 ; 60 0 .61 .14 504 1 Ut3Ci -576 65.0 +9 0 U .60 . 13 5 S 1 1170 --639 70.0 4200 .58 . 1557 1 260 --703 75.0 4500 .56 . i ~ 570 1Z750 --780 80. 0 4800 .53 . l02, 580 1440 -66C, 85.0 5100 .52 .11 598 1 5:>a -9 3 141- 90. 0 5400 .50 .11 614 1620 -1006 95.0 5700 .49 . 1 1 635 1710 -1 075 100.0 6000 .48 .11 654 1800 Z 140 ThiE MAX ] MUM STURAGE IS 195. 3299,.'i2 CU. FT. * The time of concentration is 5 minutes. The Undevel oped f 1 ow OL4 k i s . Z3 c. f. s. TEN YEAR STOFM CALC F,A710I4AL 'FORMULA HY'DkOLOGY DATL = 11 / 17 / 95 DES16NEF = C 5:C MPSOIV BASI N EgST SIDE Pi;OJCCT NAh1E _SPALD I NG AUTO DLSCRI F'T I ON = KNOX ROAD H'IVD PARH: IIVG LOT SUBAFEA 1=. 29 ACFLS 5U13AhEA 1 r-tU1VC7FF CL7EFFI C IENT = .9 1'O7AL HF►EA _ .29 ACRES CC1MF05I "fE RUI4L71=F LOEFF Y C I Elwl' _ .9 ?]VER'LAIVD FLOW VALUES ,Ct = .15 L = 120 N - . G,16 5 Q1 GHMNNCL FLOW VALUES L = 0' TD = Ll C01'lPUTED VALUL`S DUR = 5.00 110 = .3.1El 010 = . B3, G!A = Cli. CIG' bOWS7 RI tVG CAI.CULAT I I]NS DATE = 11 / 17 / 95 DES T GNER = C SIt"iFS0I4 BHS T lV EASl' S I I3 PROJ EC T NAME = Sf'ALD I hiG AUTCI DESCRI PT I OIV = KNQX FiOAD A1'+!D F'AFKx NG LQT k t Tntensi ty Odev. Va n Uout ator-aye (min. ) (sec. ) (xn.lhr. ) (c.+.s. ) (cu. ft. ) (cc.►. Ft. ) Ccu. ft. ) 5.0 ~c 30C~ 18 . ~3. ~~+4 10.0 600 2.2*4 .58 410 600 -194 15.0 yUca 1.77 .46 46 = 90o -4'-~67 20.0 1240 1.45 .38 49"_3% 1200 -707 25.0 1 500 1.21 . '~_72 506 1 500 -994 30.0 1800 1.04 .27 516 1800 - I284 ~5. 0 21t~U .91 .24 5~~ ~luC~ -1577 40+ Q at' ~'Ua .82 1 5 37 5 2400 -1865 45.0 2700 .74 • 19 541 i2700 -il5J 50.0 3040 . 68 . I 8 551 :.,aC►~ -22 4 4 9 55.0 a,0 a .64 .17 56e a~e►~► -~~32- 6a .a .3 baa .61 .16 5139 ~-l buc.' -:,)o i i 65.0 _3%900 .60 .16 621 3900 -3279 70.0 4200 .58 .15 651 4200 -3549 75.0 4500 .56 .14 667 q 5O0 -38= 7 80.0 a SOO .53 . 14 678 4800 -4122 (35.0 5100 . 527 . 13 699 5 100 --4401 90.0 5400 .50 . 1Zo 718 5400 -4682 95.0 5700 .49 .13 742 5700 -4958 100.0 baUU .48 . 1Z. 764 bGUU -5236 YHE MAXrMUM STORAOE IS ZZ3.65196 CU. FT. * The ti me of cancentrati on i s 5 m1 rfutes. 1'he Undevel oped f 1 ow aut i s 1 c. f. s. TEN YEAR STOFM CALC . . hAT;T ONAL FOFiMULA HYDROL OGY DA'fE = 1 1/ 17/9 i DESIGNER = C STIIP'SCIN L-~ASrN B rU I"AL , - RROJECT NAME = SPALDIlVG AUTO UESCF I PT I ON = w:NO X+ PARKT NG + FOOFS SUBAREA 1=.415 ACRES SUBAREA 1 KUNQFF COCFF I C Z ENT = .9 TOTAL Af'EA = .415 A`CRES COMPOS I TE F.UIVOFF COEFF LC.C ENT = .9 OVERLAiVD FLOW VALUES Ct _ .15 L = 1-cG N = .016 S - . ol CHAIVtVEL FL'OW VALUES L, = d TD = 0 ,C01'1F'UTED ,'VALUES D,UF = 5.00 I1U ~ 3.18 014 = 1.19 QA = 0.00 BUWSTRING CALCULATIONS DA7E = 11 / 17 / 95 DES I C31VER = C SIhIPSAIV EsAS I N H fOl ~L F'ROJECT NAME _SPALD T NG AUTO nESCRI PT I ON ~ IS:NOX + t"-~ARk: t NG + FcOOFS t t IntensYfiy Udev. V3. n Vo~~t Storaqc (imi.n. ) (sec. ) (in. /hr-. ) (c»f.s. ) (cu. f1:. ) (cu. +t. ) (c«. +t. ) 5. C) ~ 30C ) J. 18 1.19 477 Z. cl ci 177 10.0 604 2.24 .84 587 600 --1 3 15.0 900 1.77 » G6 66+ 900 -2:38 20.0 1200 1.45 .54 705 12,00 -495 .45 721 4 150tj --776 ~5. 0 1 5C~C) 1.21 30.0 1800 1.04 .39 7~9 1800 -1 001 35.0 2100 .91 a J'~ 748 ~ 1 t, 0 13JL 40. 0 ,~..1F00 • 82 r,y 1 76fs t4f.~U -1 6 45. 0 2700 .74 .28 774 2700 -1926 50.0 Z4000 .68 .25 78B 7-000 -2212 55. 0 3300 .64 .24 8 13 C10 -2487 60.0 Z0600 .61 .23 6 4 a 3604 -27 57 65.0 ~ 90 0 .60 .22 B89 76900 ->u 11 70.0 4200 .58 .22 932 4200 -0~b8 !5. 0 450U .56 .21 954 45Ciu - :546 80.0 4800 .53 .20 970 4800 -3830 85,0 5100 .52 .19 1001 5100 -4099 90.0 5400 .50 .19 1027 5400 --4373 95.0 570(1 .49 . 18 1062 5700 -4638 100.0 6000 .48 .18 1094 6004 -4906 THE MAXIMUM STORAGE IS 177.46746 CU. FT. * The time af concentrati on i s 5 mz nutes. The Undevel oped i tow out i s 1 c. f. s. TEN YEAR STORM CALC 0•` ~ ftWO 1+ ~ ' , ''1J ~4` ~ ~ . w ~ J ~~c.4~ b~t c ~ ~ • " ' . 1 d' ~ ~ 1 ~ ` ~ , . rj~~{{ V r y ( , ~w ~ ~ ~ _ ~ 4~ ` 4 1~ g S • T ~~fr ~ i, ~ ~ ~ t wr e, ♦ a ~ ~ ~ s ~ ~r y # ~ • ~ ~ ~ . ~ i a ~Jt ~ ~ h ~ 1 ~ ~ ' G f V' y, ~yrr Yr ~ p• J'r!' . , ~ ~ ~ , k r • i~1 ' ' t r„ • ' 1 j t y ~ Q ~ , k ~ ~i ~ ~ ~s,► ..i ~ s t 't- A ~ ~ ~ - 1t~ • •A ~y 1 ~ L ' • , y~1~r Q1 ~ r + ~ ~ j ' ts7+ ~ ti , v► • • ~ + • r ` ~ ~ t „ ~ r,,, • x ~ rJ~ L G ~ r~' A 0,.Or* so' p ~ ~ f' ` 1 ~~iF 41 • ~ '"°~i+ ° ~ ♦ ~ 4 , ~a~t t a~ ` ~~1 ~ a ~ r~ ~ ° t 'r~ Z ♦ h i ~ ~ , a - t ( 1 ~ '',i`i ( , t ~~T~ , t ` ~ ;_~~i~~ 2 y A~ + ♦ d ~ r J ~ ~ ~ ~ ~ ~°'..r ~ - N'1~ ''w~ i ~ ~V•~ ! ~ a♦ ~ ~ v~ ~ - ~ ~ f ~ , J_ ~1fX'«" : + c ~f ~ . f R~~} r l ~ t ~f ~ ~ < ~ ~ + ~ d { a • ~ / Y ~ ~ s ~ f 1.~-+;i - ~ S•~ ,S li t 7 i ~ 0 ~ i 1 ~b'i fln 4 i.r.. 4 p ~ ~ 1 ~ ~ V~~ + L p~ trl~ ~ JM M ~ , ° ~ 1 ' -.1., ~ - 4 1}+{ ~ ~ 4~ e ; r'~. • Uf ~ r. • ~ ~"t~ k ~ ~ s.t~j Y ►~Va i i ` r ' ~'„A. r~ ~ ~ ~ a.,+-t'" ~ a ♦ Z~ ~ ~ 1 ~ . ~ ~ e ~ 6 ~y + i.~ ,~o~' ~ ~ \ ° q~ t 'i ~ , ' ~ r ~ I ` ~ ~ ~.r J~ , ♦ o ~ 9 r ~ ~ ~ { \ ~ ~ ~ r t~s ~ , ' ' , i ' ~ . ~ ty ° ` • ti.r{ 5 t] ~ ,i ` • r ti V ~ ` . ~ ` / ~ ~ ~~e5 ~ 'f~j~ ~ ~ ~ ~N w ~ - 4,0 , . ~ ~ ~ ► a , r Y ~ ~ 1=R• ~ ity 1 ~ ~l~ ; „ `.t + j ~ n !t ~ , J 1 q ~ - a ~ y,.r;r+~~9 . 1 .'7 'T ~ ~ . • 3s~`' , r , ~ ' ~ d ' ~ ~ ~ 1 ° ~ ' t x.s'- 1 , 1~ • ~ • ~ ~ ~ d ~ , ~ ~ 1 ~ , ~ t~ t` ~ o t 1~ ~ • ~ • ~i ~ ~ I~~' i. ~ ~y I~ ~ , ~ ) • I ~ I _ , ~ ~1,r,f • ti c r"r' v a~ m f,~ J ~j ~ • ~W ~ a1 r 7i :~L'!~ .t ~ ~ .r , • ~ ~ 1~ G {t, ^1 i•~1„r y ti. ~~dr i i` ~ ~ ~ . 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L_GUB 4Arti,euu 6iuvtlly louru, S tu 20 1jwCwnt uu6wrt-Al 11114hiu►1 flu,u ,t va.iiet) Uf isu41, li I,u liU a.ii.l, gi.&% ..1, k1y►I rduNvz, IgtiuOus p:►rene luek; uit utu►ily luvd lu it►ad- Lul.lit.,tum z trow4y Kluliiiig l+ n`+tc",, dulitlt w unvaum ut isitul, Ktuvul, uuc) Lul,blaxtuunS iu►ig..b flwii '33: tu 5 (ULL Gi»6 Guujsou «.ly giuvLlly lutuit, U tu b hiiuulat ta Uitrri,nu j,ilkvLUy luiIn, ~%L4.tiJt 1,114c U t'a 15 1+.ry br~% t-lly lu►w_ Imrc:uut ylupca lllO biltAlC(. Ill) VI ja vILry gr&vClty 1.5 tu dd 1"u ) 1,r ►vLllj lu u.. 4 1 w uU a.►ija, gr tvd, awl wULtwlutiez Gn8 Gctnisair rety 3tuuy lomm, U l0 20 biu,ilur l0 4Gari,nou gruveUy 1o itu, saccpt 01at perwut rJupw tirU suiluc.A. lu)t.r 13 vuy ,tUuy. GpA C1eurese SiIC lue►ut, 0 bo 5 pcrcoutslupes %lcry tlcep, uiueliunt-tcs.tutttd, well-elrs►(twd :.uiI:i U tu y? ti►lt (u.,ua GNB C~la~iray~ aIll, luu»~, b tc, 2U l~erw~~t~lu~~c~. lurut~cl frwit utml I•ii~nus glu~iu! tlil, suet~tt.~ GpC Qlei►rcSL Hil6 luiun, 20 W 30 pcsriaut luynr iilltu~iILutt uy~u~+,s uutl vu61Mlu u.l►, wA Idu1,us. gi.ittly rulliub to al-et J) ujiluut6 GpD QIL-i►ruaw silt lauiu, 30 6u bu liwi.ut►t ,1np~ Sunpson Enginccrs, [nc Project NInr Spald~ng N9Ah Argoanc Roacl 926-1322 Job No 13140 Spul.aree, WA 99212 Disc No Quatrapro strect design Fiie Nume Knor Arcnue TYPICAL SECT[ON DATA Road%ruy half iwdth ENLTER-a 20 Road Nnme ENtER--> knux LeQ or fUght ENTER--> Right Curb Type TYPE B COUNTY Stahon Interral ENTER•-> 25 MINI14itJN MAXIlvNM Curb EL Curb EL. Edge Pavc CENTER % SLOPE EDGE DIST % SLOPE EDGE DIST FRC (4 5% (-2% to Ctuttet GINE CENTER- PAVEMEN GL TO GL TO PAVE4U EDGE PV fmm E/P + FROM E/P SELECT- Design Top Curb STATIQN ELEVATIOr L[NE ELEVATIO E/P EDGE PAI % SLOPI TO C(JRB CURB HG CURB HG ED ELEV % GRAD) % Gtade 190000 195295 1952 82 1210 -107 0 00 7 90 195292 1953 08 1953 08 -l 95 195000 195285 -0 20 1932.74 1200 -0 92 -016 8 00 1952 83 1953 00 1953 00 •192 •016 1995 70 195300 0 33 1952 88 1210 -0 99 031 7 90 195298 195314 1952 94 -5 08 -013 200000 195305 040 1952 88 1210 -1 40 0 28 7 90 195298 195314 1953.09 -2 73 3 49 2025 00 1953.06 0 44 195294 1210 -0 99 0 24 7 90 1953 04 1953 20 1953 09 -3 b7 0 00 205000 195308 0 48 195296 1214 -0 99 0 08 7 90 1953 06 1953 22 1953 22 -195 0 52 207500 195307 -0 04 195293 12.10 -116 -012 7 90 1953 03 195319 1953 07 •3 83 -0 60 2100 00 195305 -0 08 1952 83 1210 -182 -0 40 7,90 195293 195309 1952.93 -445 -0 56 212500 1953 05 0.00 1952 88 12 20 -139 0 20 780 195298 195314 1953 06 •3.25 0 52 215000 1953 05 0 00 1952 94 12 00 -0 92 0 24 8 00 1953 03 1953 20 1953 20 -192 0.56 217500 195296 -0.36 195293 1220 •4 25 -0 04 7 80 1953 03 195319 195303 -452 •0 68 220000 195310 0 36 195297 12 20 -107 016 7 80 1953 07 1953 23 195315 -3 ZS 0 48 222000 1953 06 -0 20 1952 97 1220 -0 74 0 00 7 80 1953 07 1953 23 1953 25 -167 050 2225 00 195305 -0 20 195295 12 20 -0 82 -0 08 7 80 195305 195311 1953 21 •198 •0 80 225000 195300 -0 20 1952 84 1200 -133 •044 8 00 195293 195310 1953 04 -2 85 •0 68 227500 195298 -0 08 1952 77 12 00 -175 -0 28 8 AQ 1952 86 1953 03 1952 86 -454 -0 72 228700 195296 -0 t 7 1952 74 1210 -182 -0 25 7 90 195284 1953 00 195278 -539 •0 67 230000 195294 -016 195275 1210 -1 57 -0 08 7 90 1952 85 195301 195185 -445 •004 2325 00 1953 00 0 24 1952 82 1220 -148 010 7,80 195292 1953 08 195297 •3 73 D 48 E^ 235000 1933 05 020 1952 89 1200 -133 0 28 8,00 195298 195315 1953 09 -2 85 0 48 Z 3 t 2375 00 195305 0.10 195297 ll 50 •0 70 0 32 850 1953 04 1953 22 1953 22 •193 0 52 240000 195305 000 195301 1180 -0 34 0,16 8 20 195309 1953 26 1953 09 -4 55 -0 S2 ~ r ~ S P O I~ A N E C O U N T Y DIVMON OF ENGINEERING AND ROADS ~ A DNiSION OF THE PUBLIC WORICS DHPAATMENT Wi14azn A johns, P E, Acdng County Engineer Denm M Scctt, P E, Duector Novernber 13,1995 Spalding Auto Warehouse E.10414 Knox Avenue A review of the road, drainage, or site plan for the above-referenced building peRrnt has been compieted. Areas of concem to the Spokane County Engineering Department are indica#ed in ned on the attached plan set and calculations marked "ORIGINAL". Please make the correcbons and resubmd them to the Building Department in order that the review process may proceed. Highlight all changes to the resubmitted plans and inciude the comment martc-up copy with them. Please note that the plan set and calculabons mariced "ORIGINAL" are officiaf public documents and must be retumed wdh the revised plans and calcutations. Review of the ravised plans will not proceed until th• "ORIGINAL" set is returned to the County. If you have any questions about this review, please contact us at 456-3600. Thank you Very truly yours, William A. Johns, P.E. Spokane County Engineer 4 S4490~~ Doug Busko, E.I.T Plans Review Engineer 1026 W Broadway Ave 0 Spokane, WA 99260-0170 0 (509) 456-3500 FAX. (509) 3244478 TDD (09) 324-3166 . ~ REVI~ ~OMMENTS SPOIiANE COUNTY ENGINEER DEV'EIsbPMENT tIt7GINEERING SERVICES PRQ.T&CT B95148 REVIEWER : I}4Ltg Bl3S k4 FROJECT NAME: Spalding Office/Whse DATE: November 13, 1995 REVILW 1 C04NEgTS 1. Show elevations of build.ings, swales, drywell rims, pavement, etc. 2. Delineate mare accuzately the extents af each drainage bas3.n (in can j unetiorr with Commen't 1). 3. Pravide drainage easements for the runoff flawing onta your site from the road. 4. Submit a revised set of the raad plan,s, along with the paperwoxk ~or the approval af the road design. 5. Shaw extents of lnterior curbing, and all necessary drainaqe lnlets. W - - . + STOR:MWATER DR;AINAGE REPORT for the proposed addition to Spalding Auto Parts and iniproveiuents to KnoxF Avenue west of University Road Station 19+95 7 to 23+37 7 ui the - SE 1/4 of Sectlon 8, T 25 N, R 44 EW M Spokane, Washungton October 20, 1995 , Report Prepared B,y . Simpson Engrneers, lnc. North 909 Argonne Road Spokane, WA 99212 YltO1CC'1 Nb 13140 ~s E. '.~M * * * 'I;ABLE OF' CUNTEI`1TS * * * ~,~`'~ot~ wn.s ~ . &F x , Drawage Basin Data 99 CaFacrties of Curb Opeouigs at L'ow Paunts R~J ~1pNAL~ Rational Formula Hydrology Calculations EXPIRES 7w' p7 ~ S C S Sovs Map and Descnptians Map Referenca. Spaldins Auto Patts / Knox Avenue Plan-Profile ' SpalcLn6 Auto Parts/Knox Avcnue Stormwater DrmnAge Report 1 drtunaSc21ca1cs113140 . ~ STORSvCWATER DRArNAGE REPORT for the proposed addition to Spalding Auto Parts aad improvexnents to KIlOY AVeYlUe west of Uruversity Road Station 19+95 7 to 23+37 7 ,in the SE 114 of Section 8, T 25 N, R. 44 E W M rSpokane, WashmgtoA October 20, 1995 ReportSPrepared B,y, Sirnpson EngineePS, lnc. North 909 Argonne Road Spokane,WA 99212 PKOJLC'1 NO 13140 * * * TABLE OF CONTEr1'TS * * * Drainage Basin Data Capactties of Curb Openwgs at Low,Powts` Ratioaal Formula Hydrology Calcutatians S C.S Soils Map and Descnp#Lons Nlap Reference Spalding Auto Parts / Knox< Avenue Plan-Profile Spalding Auto PartsJKnox Avenue Stonnwatr.r Dramge Report 1 drai-wge21ca1cs113,140 . c DRAINAGE BASIN DATA WEST BASIN Lium(s Station 20+50 to 21+50 Total Area 20' x 100' = 2,000 sq ft= 0 046 acre Impervious Area 2,000 sq ft= 0046 acre rr, Ct = 0 9 "208" Area 2,000 sq ft "208" Volume 83 3 cu ft CENTRAI. BASIN Limits Statron 21+50 to 22+20 Total Area 20' x 70' = 1,400 sq ft= 0 032 acre Impervious Arca. 1,400 sq ft ! 0 032 acre t~?i Ct = 0 9 "208" Area 1,400 sq ft "208" Volume 58 3 cu fk Combined West and Ceniral Basins 4"208" Volume Required = 83 3+ 58 3= 1416sq ft "208" Treatment Cat)acitv Pond Floor Area (to be added to pn-srte pond) (10' x 25') = 250 sq ft Floor Penmeter (ZS' + 10' + 25') = 60 LF with 3 1 slopes on all sides Addztional Pond Volume @ 6" Depib O 5 (250') +(60' x O 5 x O 5 x] 5) = 125 + 22 5= 147 5 cu ft 147 5 cu ft provided > 141.6 cu ft requwed for "208" treatment ' On-site Pond is OK for "20$" treatment ct 6" depth, for Knox Avenue West and Central Basins, with 10' x 25' added to the on-site pond Spaldisb AuW Paris/Knox Avenue Stormwalcr Draunage Rcport 2 dratnage2lcalcM3140 EAST BASIN Limits Staiion 22+20 to 23+75 Total Area 20' x 15 5' = 3,100 sq ft= 0 07 acre Impervious Area 3,100 sq ft= U 07 acre @ Ct = 0 9 "208" Area 3,100 sq ft "208" Volume 129 2 cu ft "208" Treatment Caoacltv Pnnd Floor Area (to be added to on-site pond) (6' x 35') = 210 sq ft Floor Penmeter (35' + 6' + 35') = 76 LF with 3 1 slopes on a11 sides Additional Pond Volume @ 6" Dcpth 05(210')+(76'xO5xO5x15)=105+285=1335cu ft 133 5 cu ft provided > 129 2 cu ft required for "208" treatment Oa slte Pond is OK for "208" treatment @ 6" deptb, for Knox Avenue East Basin, with 6' x 35' added to the on-site pond PROJECT CONCLUSION The roadway draLnage &om Knox Avenue will be incorporated wto the two on-site ponds as shown on the architect's site plan and dashed-in on the Knox Avenue plan-profile sheet Once che arclutect has finaLzed the on-stte grading aad drwnage areas, we will do bowstring calculations to include a11 drainage flowing into both ponds This information wiU be coming ia the near future Spaldutg Aulo PartsJiestox Aveauc Stormatcr Drainage Rcport 3 dr.unase2lcalcs1131 4U CAPACITIES Or CURB OPENING INLETS AT LOW POINTS WEST BASIN Curb Drop at Low Point, Stauon 21+00 Assume entue West Basui Q1p draias to on-site pnnd via the curb cut at the low pomt Given. Q 10 = 0.13 cfs ta 2 LF curb opecuag to on-site pond H=0145 Solve for Leniath L= Q1U / 3 087 W'' _(0 13) / 3 087 (O 0552) = 0 76 feet, minirrtum opernng width Construct 2 ft wide curb openlng to on-site pond CETfTRAL BASIN Curb Drop at Low Poilit, Station 2I+75 AssuYne entire Central Basm Q1p drains to on-site pond via the curb cut at the low po,nt C'nven. Q10 - 0 09 cfs to 2 LF curb operung to oa-site pond H = 0 125 Solve for Lensth L= Q,Q / 3 087 H3'2_(0 09) 13 087 (0 0442) = 0 66 feet, nummum opening width Construct 2 ft wide curb opening to on-site pond EAST BASIN Curb Drop at Low Point, 5tation 22+87 Assume entire Esst Basin Q 10 drains to on-site pond via the curb cut at the low poiat Given Q 10 - 0 20 cfs to 2 LF curb operung to on-site pond H= 0 166 Solve for Lenp-th L= Q,n / 3 087 11"2_(0 20) / 3 087 (0 0676) = 4 96 feet, minimum opening width : Construct 2 ft wide curb opemng to on-site pond Spalchng Aulv PacrtslKnox Avenue. Stormivater Dc:unage Report 4 drainage2lca1cs113140 RAT10NAL FORMULA NYDRnLOGY DATE = 10/17/95 DESIGNCR = C SIMFSON E+aSXN WEST f='ROJ ECT NAME = SF'ALD I NG DESCR I F'T I ON =KIVOX ROFlDWAY DRp I IVAGE SUBAFEA 1=. 046 ALFES SUDAFEA 1 RUNOFF COEFF I C IEh1T TOTAL AREH = .046 ACRES COfhF'05 I TE FUPJ(3FF COEF'FY C I ENT = .9 OVERLpIVD FLDW VALUES Ct = .15 L = 2r., N = .016 S = . 02 LHANNEL FLOW VALUES L - ;0 21 = .172 Z2 = 12 IV - .016 B 0 S - .005 TD = .145 COMF'UTED VHLiJES DUR = 55. 00 110 - 3.18 Q1o t?A = T2F . . RATIONAL FORMULA HYDROLOGY UATE = 10/17195 DESIGNER = C STMP50N HASIN MIDDLE 21+50 22+20 RROJECT NAME = SPflLDING DESCRIPTION = KNOX ROADWAY DRAYNAGE SURpREA 1=.032 ACRES SUHAFEA 1RUNOrF COEFFTCIENr =.9 TOTAL AREA =.0%Z2 ACRES COMFOSITE IRUNUFF COEFFICIENT =.9 QVEFLAND FLOW UALUES Ct = .15 L = 20 N = .016 s _ .42 CHANNEL FLOW VALUES L = 45 Z 1 = .172 Z 2 = 1.? N = .416 B 0 s = .005 TD = .125 COMF'UTED VALUES DUF = 5.00 110 34.18 1110 - , ~ QA - .09 i • RATIONAL FORMULA NYDROLOQY DATE = 10117/95 DESTGNER = C 5IMPSaN BASI~ 2'--'+~u 23+75 PF'OJkCT NAME ~ SPALDINQ DESCRIPTION = KNOX ROADWAY DRAINAGE SLiBAREA 1--' .07 RGRkS SUr~4AREA I RLJNOFF COLI° FICI ENT = .9 "I"OTAL AR£A = .07 ACF:ES CCIMPC}5 I"I'E RU114OFF CDEFFT C I EIV7 = .9 C3VERLAND FLOW VALUES Ct = .15 N = .016 5 - .02 CHANhtEL FLOW VALUES as 21 = .i7y Z2 = 12 N = .016 B 0 s _ .005 7'D = .166 COMPUTED VALUCS DUR = 5.00 I 1 o = 1 $ 010 .20 DA = -e 2e- cpu1iTY, ~~Sr~►~~ , r 4 ~ ,POKANE R 44 E / Y I . . ' • ,i : y!p . A 1 ,f q • _ .J ~ ~{t~ 1 pC oC7 ~ o s ► K ► sT~ t it `~.Jl 1 t?5 ~ (Jo1ns sfl1 r ~ ~ r • 1 ' . V,mp ~ MbC ' ~ qa j+ ~ , ~ ~j~ . M J , , o ~o ' ~ s „ , C . ~r ' ~ ~ MaC r . ~ : . ~ ' ~ ' ~ ~,0 ~-'~~?P ~ ~ ~ i . 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' ~ ' t ~ j • r 1 • < i ~ • ~ ~ ~ f 6~r~ ~ , ~ .►«"t • iII .Rl/3 ~ti< ~ ~r ~ ~I ~ ` ` g ~j~' ,~'li' • ~r ~ j ~ ~1 ~Y 1 , y ~ d ~~1~' -w s 1A,~io ~,l~cn►1~~]7 99Y ti. ~ , ~o •1 ~ ~ ~ f = ~ ~ ~ • ' ~ ~ 1 6impson 9ngineem, InGo CIV1L ENGINEERS AIVD L.ANlD SURVEYORS N. 909 Argonn• Road o Spokane, WA 99212 (509) 925-1322 ~ Fex: 926-1323 TO: Do S~~o= ~ ~ rt , ~ SUBJECT: tno x ~v e- ~a rt ~a. leor4_f DATE: 10 1 z3 s i d ci r4 a f ~ ~ l~ + s ~ ~ _ re- ! n s _ , , - ~ ~ OCT 2 ~ lgffi ~MWF UOUt4111v -ENGINEER - - - - MW.- Sigrted DRAINAGE BASIN DATA WFST BASIN Linuts Station 20+50 to 21+50 Total Area 20' x 100' = 2,000 sq ft= 0 046 aere Impervious Area 2,000 sq ft = 4 046 $cre @ Ct = 0 9 "208" Area 21000 sq ft "208" Volume 83 3 cu ft CENTRAL BASIN Limits Station 21+50 to 22+20 Total Area 20' x 70' = 1,400 sq ft = 0 032 acre Irapervious Area• 1,400 sq ft= 0 032 sere @ Ct = 0 9 "?08 " Area 1,400 sq ft "208" `iolume 58 3 cu ft a> Combined West and Central Basins "208" Volume Required = 83 3+ 58 3= 1416 sq ft t cGES y t 1 ~ "208" Treatment Gapacitv pond Floor Area (to be added to on-site pond) (10' x 25') = 250 sq ft Flnor Penmeter (25' + 10' + 25') = 60 LF with 3 1 slopes on all sldes Additional Pond Volume @ 6" Uepth 05(250')+(60'xO5xO5x15)=125+225=1475cu ft 147 5 cu ft provided > 1416 eu ft required for "208" treatment On-site Pond is OK for "208" treatment @ 6" depth, for ICnox Avenue West and Central Basins, with ] 0' x 25' added to the on-site pond Sgalding Aulo Parts/Kiwx Avenue Sluraiwater Dcatttage Report 2 drai nage2lcalc s1 t 31 4U ~ - EAST BASIN Limuts Station 22+20 to 23+75 TotaJ Area 20' x 15 S' = 31 100 sq ft= 0 07 acre Impervious Area 3,1 00 sq ft= 0 07 acre @ Ct = 0 9 "208" Area. 3,100 sq ft "208" Volume 129 2 cu ft "208" Treatment Canacitv Pond Floor Area (to be added to oa-site pond) (6' x 35') = 210 sq ft Floor Perimeter (3 5' + 6' + 3 5' )_?6 LF with 3 1 slopes on all sides Additional Pond Volume @ 6" Depth 0 5 (210')+(76'x0 5 x0 5x1 5)=105+28.5=1335cu.ft 133 5 cu ft provided > 129 2 cu ft required for "208" treatment On-site Poad is OK for "208" treatment @ b" depth, for Knox Avenue East Basin, with 6' x 35' added to the on-site pond ~*~***~**a~~~***~***~~~~~*~s****~~~***~***~*~~**~~**~* PROJECT C(3NCLUSION The roadway drainage from Knox Avenue will be incorporated into the two on-site ponds as shown on the architect's site plan and dashed-in on the Knox Avenue plan-profile sheet Once the azchitect has finalized the on-site gracimg and drainage areas, we will do bowstnng calculations to include all drmnage flowiag mto both ponds This information will be coming in the near future - - - Spal"g Aulo PAris/I:nox Avenue Slormwaler Drainage Report 3 dniuwge2\ca1cs\13140 ~ • CAPACITIES OF CURB CjPENING INLETS AT LOW POINTS WEST BASIN Curb Drop at Low Pouit, StaUon 21+00 Assume entire West Basm Q1p dratns to on-site pond via the curb cut at the low point Given Q 10 - 0 13 cfs to 2 LF curb opetung to on-site pond H =0145 Solve for Leneth L= Q1o / 3 087 H3`2_(0 13) / 3 087 (O 0552) = 0 76 feet, minimum openmg vtiridih Constnict 2 ft vvide curb opemng to on-site pnnd CEN'I'RAL BASIN Curb Drop at Low Point, Station 21+75 Assume entire Central Basin Q lp drains to on-site pond via the curb cut at the low point Given Q 10 - 0 09 cfs to 2 LF curb opening to on-site pond x = o las Solve for Length L= Q1U / 3 087 H3' _(0 09) / 3 087 (0 0442) = 0 66 feet, minimum opening width Construct 2 R wnde curb opening to on-site pond EAST BASIN Curb Drop at Low Pouit, Statioa 22+87 Assume entire East Basin Q 10 drains to on-site pond via the curb cut at the !ow point Given• Q10 - 0 20 cfs to 2 LF curb opening to on-site pond HP0166 Solve for Leneth L= Qlo / 3 087 H3r2 _(0 20) / 3 087 (0 0676) = 0 96 feet, minimum openung width Construct 2 R wide curb opening to on-site pond SpalcLag Auto Parl&/Knox Avenue Stornawaler Drainabe Report 4 dcai nage2lc:ilcs1131 4U RAT I OIVAL FQF;ihIJLA HYDrC7LUGY DATE = 1 0! 17l95 DCBI GNCR = C S I MF'SON PAS I M WEST PROJ ECT NAME = SPALD I fJG OESCR IPT I OIV = KIVOX ROFIDWAY DRA I NAGE SUbAFEA 1=. 046 ACRES SUEti1FEA 1 hUiVUFh COEFFICIENT = .9 TOTAL AFEA = .046 ACkES COMPOST TE F;Uh1OFF COEF1= I C I ENT = .9 QVEFLAIVD FLOW VALUES Ct = .15 L - ~G rv = .016 s _ . 02 CHANNEL FLDt+J VALUES L = 50 Z1 = .172 Z2 = 12 N - .016 B = 0 S .005 i'D = .145 COMPU"('ED VpLUC8 DUR = 5.OC1 110 - 3.18 Q1Ci QA - .14 RAT I OIVAL FDRI`1ULA HYY?ROLOGY DATE = 10/17/95 DESIGNER = C SIMF50N PASIN MIDDLE 21+50 12+20 FROJ ECT NaME _SPALD I NG DESCR I F'T I ON = k;h10 X ROADWHY DRA I NqGE SUBAREA 1=. 0-32 ACRE5 5UBAF,EA 1 RUNOFF COEFF I C I ENT = .9 TOTAL AREA =.0'+2 ACRES COMROSITE RUNOFF CDEFFICIENT =«9 CIUERLAND FLQW VFILUES Ct = .15 L - 20 N = .016 S = .0? CHANNEL FLOW VALUES L = 45 Z1 = .172 Z2 = Y2' IV = .Ol6 B = C) S - .005 TD = .125 COMPUTED VALUE5 AUR = 5.OC1 I!0 - 3.18 G! 1 G = -z C1-9- .,.i Q A - .09 a • RATIONAL FdRMULA HYDFOLOGY DATE = 10/17/95 DESIGNER = G SIMRSDN RASIN CAST ~21+20 27+75 F'ROJECT NAME = SFALDING DESCRIFTION = h:NOX ROADWAY DRtiINAGE . SUBAFEA 1=. 07 ACRES SUbAREA 1RUIVOFF GC1EF1= Y C IEIVT = .9 TOTAL AREH =.07 HCRES COMFpSITE RUNOFF COCrFICYCNT =.9 OuERLAhID FLC7W VALlJE5 Ct = .15 L = 20 IV - .016 S = .02 CHANtVEL FLOW VALUES L - 88 Z1 = .172 Z2 = 12 N - .016 B - 0 = .005 1"D = .166 COMF'UTED VALIJES DUF - 5.00 110 - 3.1E3 ~ 010 - .20. C~A . ~ CpuNl~y SppKAN~ ~ AA ~ q ~''A f • i ~ r ' ' !.~"D ~ I • b ~5 ~ ~'~C ~ ,~1 ~,f~,e .t~ n'=,'~' . 57E ~ ~ r,. ~I °''..L ~ 1 i~$ 'w s~~t 57) ~ ` L o ' ~ ► ' ~ µm~ (joi~1 ~ > FyB. ~ ~ r ~,.,n,~ ~ ~ ~ ~n• , y L;a • ~F » , r~ i2 4 ~ ~ ~ .i ~ n ~ • ~ ~ ' "T_ ~ f ~S ~ I "n ~t ~ ~ ' , µaG $ . ~jU 4 ; r u ~ ~ ,~1 ~ . 1. 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VARI~INCE A.t't'.IG4NTS NAMT' I3LDG ~ -3 01"HER # MAILING ADDItESS 0 l~ie~rJ~~srTy S S , T R PARCEL # ~410J04 • a t°* PHONE - HOMF ROAD NAME J~nO M'tZF~ 1'735 PHONE • WORK g~ ' CO~~~ o ~ 11ic fotlowtng documcnts are necdcd bcforv the Spokaoe Couory L-ngincces Department wa begta processmg your vanance or buddzng zpphcacioa as appcovad. (509) 456-3600 ¢ AGREEMENT TO PAY FEES have beea collected. ~ ✓r, RECORDED COPY OF DEED, DEED OF TRUST, contract or oonveymg instrumenL 'I'Aese may be obcained froai the Couary Auditor, 2nd flonr oE the Courthouse. : 1/ LEGAI. DESC:RWIZON of ycur.2ssws easemeac. • A LISTIIYG OF NAMES of iadividuals wha wdt be sigaing the documents. These iadividual aames- shonld appear as the person(s) iegally sign their aame. - o S,h 1~ ~~~r,. ~ ~ A CUli;RENT ASSESSOR'S NL+tAP which depicts the locanoa of yaur properry. OWNERSEOP 1rIICItO•RUN. 'Ihese may be obcained Erom the Counry Assessors, lst Qoor, of che Courttiouse, Jeffersoa eatraace, 2nd dooc on the left. The necemary documencs will be prepaced by the Engi,nees"s Department, Right-of-Way Secuon, upon proviscoa of the infocaaacwa aoced above. You wdl be aotified when ctie docuaiencs are raady fer sigaacure. Tne documeats may ba seat to yow howevec, IT SHOLTLD BE NO1'ED TSAT ALL SIGNATURES MUST BE NOTARSZED. Ihe Engiaeees Departaieac does hsve aotarics awailable tf you choose to siga the dxnaneats at our offtce. Y/ Ptease call whea ready Please nzail whea ceady NoUce co PubGc Right-of•way coMMErrTs ~,v46re Right-of-Way Agent Forward to you from C~6''4'v l'y%nam.19Z ~ d . • ~ !r I B-95148 45084 . 0112 , Knox Avenue RF No. 1735 . . ~ ~C~~ ~,n►~ i~`~~}E ~•fi.,n~lp~►~'~'~ ' , ~ ~ ~ Nt'~ ~ ASN oE . 9512280355 - ( , , t • . VOI. ~yPAGE ' SPOKAN$ COUNTY DIVIBION OF $NaINEERINa ~ Spokane County, Waehington DRAxNAOE SASSMSNT rt The Grantor(e) Max D. Spaldinq, a sinqle person of the County of Spokane, State of Waehington, for and in coneideration of Mutual eenefite, the receipt of which ie hereby acknowledged, grante to Spokane County, a political eubdivieiort ot the etate of Waehington snd to the public, e Drainaqe Easement over, under, upon and aoroee the following deecribed real property eituated in the County of epokane, state of Waehington: ' Pond "Ap . , The followine portion of Trect 268 of Opportunity es per plat recorded in Volume `K° of P1ets page 20 In Spokane County, Washineton. Begin at e point on the North Ilne of said Trect 268 a distance of 400 00 feet East of the NW corner of satd Tract; thence East along North line of said Tract a distance of 105.00 feet; thence Snuth e distence of 4 6 00 feet; thence West a distance of 106 00 feet; thence North e distence of 45 00 fieet to the True Point of 8eginning. , Pond "8" The North 40.00 feet of the West 25.00 feet of the East 28 OD feet of Tract 268 of Opportunity es per plat recorded in Volume "K° of Plats page 20 in Spokane County. Washington. R E Excise 't-7 Di j tg 1A Spt ' ~t8 yy' - The Drairtage Laeement granted to Spokane County, ite authorized aqente, and to tha public, ie foY the eole purpoee of 811owing the flow of natural drainage and/or rurtoff fraa man made facilitiee acroee and over the lande deecribed above, and for the diepoeal of natural dralnage and/or runoPf grom man made facllitiee in the public right of way upon the lande deecribed above. Spokane County end ite authorized agente are hereby granted the right of inqreee and egreee to, over and from eaid OraLnage Eseemeat for the purpoee of iitepection and emergency maintenance of water quality treatment ewalee ("20811 ewelee) and other drainage facilitiee, if not properly maintained by the Orantor(e), or their euoaeeaors in intereet. Spokane County doee not accept the reeponeibillty to inepeot or maintain the Orainege Eaeemente or drainage ewalee, except for the drywell looated ae deecribed above, nor doee Spokane County accept any liability for any failure by the Grantor(e), or their eucaeeeore in intereet, to properly maintein evch areae. Spokane County accepte aomplete and total reeponeibillty for perpetual maintenance of the drywell located se deeoribed above. , vot. 18009pAG[19~91) The arantor(e), or their euaceeeore in intereet, eball be held reepoaeible for keepitnq open and malntaining the eurface path of natural or man made draiaege tlow over and acroee the property. The Orantor(e), or their eucceeeors in intereet, ehall maintain all water quality treatment ewalee ("209" ewalee) 8nd drainage ditchee eituated on the property, and any portion of a"208" ewale eituated in the public right of way adjacent to the property, with a permanent ground cover ae epecified on the current approved plane on tile at the Spokane County Enqineer'e Office. The arantor(e), or their eucoeeeore in intereet, may inetall approved ehrubbery and/or treee whivh do not obatruot tha llow and peroolation of etorm drainage water in the 0208" ewale and drainage ditohee, ae indiosted by the ourrent epproved plane on file with the Spokane County Sngineer'e Offiae. The ar8ntor(e), or their eucaeeeore in intereet, or their repreeentativee ehall inform each eucceeding purohaeer of all Orainage Saeemente on the property and oP their reeponeibility for maintaining eurface drainage pathe and ewalea within eaid Drainage SaBemente. Spokane County doee not accept the reegoneibility of maintaining the drainage couree within Drainage Saeemente or floodplain areae on the property, nor the reeponeibility for any damage whateoever, including, buk not limited to, inveree condemnetion to any propertiee due to defivient conetruction and or maintenance of drainage coareee in Drainage Baeemente on the property. If the Grantor(e), or their eucceeeore in intereet faile to maintain the eurface path of natural or man made drainage flow, or the drainage ewale, a notice of euch 'failure may be given to the Grantor(e), or their eucceeeors in intereet. If not 'corrected within the peciod indicated on eaid notlae, 8pokane County hae the right to correct the maintenance failure, or have iz correated, at the expenee of the arantor(e), or their eucoeesore in intereet. Ariveway acceee permite for driveway approaahee to tbe 8pokane County road eyetem are required prior to ieeuance of a buildlnq permlt. Thie approach ehall be aonetructed in acoordanae with the approved plan on fiZe in the Spokene County Snqineer•e Office. IN 61THESS WHEREOF, I have hereunto eet MY hand(14 and eeal M thie 627 day of e C 19 q:5~ G /ffa-x'V. pa ing STATS OF WABHINt3TON ) COUNTY OP' SPOKANS ) ee ~ I aertify that I know or have eatiafactory evidence that Max D. Spalding, a single ' taeraon ie4a:o the perecnm who appeared beFore me, and eaid pereon(Mj acknowledqed that -be eigned thie inetrument, and acknowledged it ae hls free and voluntary act, for the ueee and purpoeee mentioned in the inetrument. , ; . Dated this 0L7 day oF 19 \ D + ~ ~ • - Notar ubl ia In a For the State of Waehington, reeiding at spokane. My appointment expiree ~..L• stormdel/formo/jp/lo 'P~' t.~r ~r • 4i F 01= MII►S~ ~~4~qllq1t1111~~~~~ 3 ~ N im son Engineem, I ni. CLAREN90E E 8 MPSON ~ RICHARO L. SIMPSON CIVIL ENGINEERS AND LAND SURVEYORS CHARLES E SIMPSON Lraenceal In Washington and ldaho N. 909 Argonne Road Spokane, WA 99212 (509) 926-1322 Fax: 926-1323 SPALDING AUTO PARTS DRAINAGE EASEMENT Pond "Ap The followmg portion of Tract 268 of Opporturnty as per plat recorded in Volume "K" of Plats page 20 in Spokane County, Washington 8egin at a pomt on the North iine of said Tract 268 a distance of 400 00 feet East of the NW corner of said Tract; thence East along North line of said Tract a distance of 105 00 feet; thence South a distance of 45.00 feet, thence West a distance of 105 00 feet; thence North a distsnce of 45 00 feet to the True Point of 6egmning Pond "B" The North 40 QO feet of the West 25 00 feet of the East 29.00 feet of Tract 268 of Opportunity es per plat recorded m Volume "K" of Plats page 20 in Spokane County, Washington. F w~y 'r~,~C • t ~ Z ~ 99b7 ~ '~►~c~ a EIfPiRES 7il7r r ~ i Ai ~T S U1qa SSCREEN: AIUFO L1SERI D u I ND ASSCSaOR' S lNIF[3F:lhAT~ON IDATA SCREEN J L!RISI? I CT I ON= 11 YF:= 96 RCILL= RE PAR(;EL= 45084.0t08 OWNER SSIaALD I Ir1G s MA X I F I ELA BOC1K : 00641 LlF' STREF_"i" 2 002200 N UI>f I VERST TY RD I ACO e ABDRE SS Y SPQKAfVE WA 992"06 F ACi-V u STAT F, A I I EXMF' t EXMO„ ..'~,l TUS t OC)U04~.1 (aDDREEiS Uh1k:NOWN . 1 ADDtJ ~ N SASS: Y ADDRESS t SPQ Tfl X D X S1"R.1. Cl" : TJ2120 Y Pr10F ; 1000 - - LEGAL » QPP'ORTUN IT Y EX i. NWY B269 I ~ Fasiyf T r 1'OTAL M6!T--I_D ,CI..,S--L_D BLDG-1 QTMER O/R METHOU BOE /SBTA►a A FI NAL ASM Tn 50~ 00C~ 50,000 0 0 0 hl $EXENEF'TYDh15: 0 , IAx~BLE: 50e 00a SALE~ 1"/. : 9000 763-4 DATE a 45 24 90, J' NSf : WA ThAN n hJ F'R T CE: 109 , OAo SF►LE-- 1%: DATE : I NST: TRARl : PFil CE : 4Ba F1c-% BO--'-SFSStIOhI i K1 C 10 1 1: 19 12!27 /95 ACT 1 QIqc S SCRCEN : Aluf= C! USEFc I0% I ND ASSCSCOR' S I1\11=0Rlv1ATI ON QAT A SCrEEN1 JUFt I SD I'' T I ON= 11 YR= 96 Fit]LL- fiE PaF'iCEL- A54$A. 01!.:"_ ___-______W__----_____________,______________---- t1WNER 4SF'ALD I Nv n h1A X Y F I CLD EQOh'' ; 40641 QP S"rFiEE T 9' 0O?'.2100 N UNI VERS I TY RD 2 ACO o AG 67-0880 ADDFiCSS Y SPOt~ANE WF~I 992296 2 AC i V: STAT - A t EXI`1r: EXt"iQa S1 TUS 2 000000 ADDaESS UNIKNOWhI . f AD~'3O: h! 5A5S: Y AnDRESS 1SF 0 TA X b 1STF; IC'i" c T'D^ 120 4 F'P.OP: 1000 LEGAL „ 0PPOIzTUNZTY N11^ E3268 EXC ';W7c:)oFT & EXG MWYg ASMT ~ TQTAL hiE;T -LD iCLS-LD PLDG-- 1 QTHER Cl /Fi MCTHOD BDE !$Eil"A p A N FT NAL ASMT w 12,000 129000 t~ 0 0 $EXEMF'TIOPJS: U TAY,pF3LE: l~ ~ 000 SALE- 1"1„ : 9000 7634 DATE ~ 0,5 '224 90 I PJS1' « WD TRAN ` N F'RI GE : 1097000 SALE-- 1'.; nATE: IIUST: T~AN: PhaCE: 4Buc Aa 8O--SESSl ORi 1 R I C 10 l i:20 1? /27 /95 ACT T OfV » S SCF'EEN:Alelr0 USF_1; I I3 p I I\SG! _ ASSES50R' S I NFOF?MAT I ah! DATA SCFcEEN J!.lRTSDZCYTON= 11 Yk= 96 ROL.L= RE F'ARrE1_= ~-'~S0$4.0113 Ott1hIER ESPALI? i hlG x RUSSEL.L D & JUDY L I FZ ELD BOOI~ p 00641 QP SYI;EET 4 010~312 E KNOX AVE 1 ACO: ADDFdESS 1 aPOKANF W A 99206 Y ACTV : STAT » A 1 T EXI11Pd EXMO.l SITI.{S t 010"%-"12 E F•iyUX AVE Y ADDA: N SASS: Y AT2DRESS 2 5P0 TA X D ISTR ICT TA'_5120 I F'R0P: 1108 LEGAL:c OPF`C]FTU1tiITTY W300F'T OF N11/2 QF E+268 EXC MWY AST•1T ~ TO iAL MKT--LD CL5--LD ~~LDG- .l OTNER 0 tR METHOD BOE /aBTp : A F T NAL A5ihT;: 141,100 12.000 0 1 ^9 v io Cy 0 N $EXGMFTIf7NS» b TAXABLE u 141 q 1,0Q ______.r..,------------ SALE- i°r c 9301 5001 DATE °C19 17 9-1 I NST q WD TRAN ~ R PRI CE r 1.210.000 SALE- 1%: 6901 7621 nAl"E: 12 21 89 1NfST p QC T{'1AN a H PR? CE: 143,000 48v A~ EfO---SESSS i7nl 1 R I C 10 1l:?i i? /?7 /95 i t . ~.a..-~-- - - - - - - - - - - _ . - Sunpson Engmecrs, [nc Project Ma.Y Spaldmg N 909 Argonne Road 926-1322 Jab No 13140 Spol,nne, WA 99212 Disc No Quatropro street design File Nvne Knor Avenue TYPICAL SECTtON DATA Road%ray helf tirzdth ENTER•-> 20 Road Name ENTER••> knox Lcft or Right EIV'tER--> Right Curb Type TYPE B COUNTY Stahoa Interval ENTER••> 25 MINIMUN MAXIMUM Curb EL Curb EL Edge Pare CENTER % SLOPE EDGE DIST % SLOPE EDGE DIST FRC (4 5% (-2% to Gutter LINE CENTER PAVEMEN' C/L TO GL TO PAVEIVII EDGE PV fmm E/P + FROM EIP SELEGT- Design Top Curb STATION ELEVATIOA LINE ELEVATIO E/P EDGE PAI % SLOPETO CURH CURB HG CURB HG ED ELEV % GRAD} % Grade 1900 OQ 195195 195182 1210 -107 0 00 7 90 195292 1953 08 1953 OS -195 1950 00 195185 -0 20 1952 74 1200 -0 92 -016 8 00 195293 1953 00 195300 -192 •016 1995 70 1953 00 0 33 1952 88 1210 -0 99 031 7 90 1952 98 195314 195294 -5 OS •013 3A"~~ 200000 195305 040 1952 88 1110 -l 40 018 7 94 195298 195314 1953 09 -213 349 202500 1953 06 004 1952.94 12.10 •0.99 0 24 7 90 1953 04 195310 1953 09 -3 67 0 00 205000 1953 08 008 195296 1210 -0 99 0 08 7 90 1953 06 1953 21 195322 -195 0 52 2075 00 195307 -0 04 195293 1210 -116 -012 7 90 1953 03 195319 1953 07 -3 83 -0 60 210000 195305 -0 08 195283 1210 -182 -0 40 790 195293 1953 09 1952 93 -4 45 -0 56 1125 00 195305 0 00 1952 88 1220 -139 0 20 7 80 195298 1953 14 195306 -3 2S 052 215000 1953 OS 0 00 195294 1200 •0 92 0 24 8 00 1953 03 1953 20 1953 20 -192 0 56 i173 00 1952 96 -0 36 1952 93 12 20 •0 2S -0 04 7 80 1953 03 195319 1953 03 -4 52 -0 68 220000 195310 0 56 195297 1220 -1.07 016 7 80 1953 07 1953 23 195315 -3 25 048 222000 1953 06 -0 2A 195297 12 20 •0 74 0 00 7 80 1953 07 1953 23 195315 •167 0 50 222500 195305 -0 20 195295 12 20 •0 82 •0 08 7 80 195305 1953 21 1953 21 -198 -0 80 225000 195300 -0 20 1952 84 12 00 -133 -0 44 8 00 195193 195310 195304 •2 83 •068 2275 00 1932 98 •0 Q8 195277 1200 -1 ?5 -0 28 8 00 195286 195303 1952 86 -4 34 •012 228700 1952.96 •017 195274 11 l0 -182 •0 25 790 1952 84 1953 00 195178 -5 39 -067 230000 195294 -0 l6 1952 75 1210 •157 -0 08 790 195285 195301 193285 445 -004 2325 00 1953 00 0 24 195282 12 20 -1 48 010 780 195292 1953 08 195297 .373 0 48 E^ 235000 195305 010 1952 89 12 00 -133 0 28 8 00 195299 195315 1953 09 •2 85 048 F, 3+ 237500 1953 45 010 195297 1150 -0 7A 0 32 850 195304 1953 22 1953 22 -193 052 240000 195305 000 1.953 01 1180 -0 34 016 8 20 195309 1953 26 1953 09 455 -0 S2 ' SPOKANE CO ROAD & DRAINAGE ~ SUBMIITAL t T PROJECT # 4-0 DATE; ~ S° PROJBCT NAME• ~ PAuC~ PROJECT SPONSOR: TEL # 9-a 4- - 3 3o O PROJECT ENGuqEER: E t~ rs TEL # 9 L G - 13 Z- L. (Road 8t Dcamge Plans) PROJBCT SURVSYOR: TBL # Me) PIZASE PROVIDE A RESPONSE TO EACH OF THE FOLLOWIlNG ITEMS GENERAL TTEMS vn QwONM O 1. A signed "AGREEN1ENT TO PAY FEES" form has beea submitted w Spobne County along wnth any aPPLcable plat fees, prior to aaY Pm-desip/Ptaubmittal meeang vn 0 nb 0 s~~ACr 2. I 6ave a copy of, and have reviewed the most recent condipons of approval and any EIS/MDNS requirennents and condiaons of appmval have been uicorporated in thus plan subnuttal PRQIECT DESIGN ,rn OftOww g~ 1. I have completed a mummum of one pre-dest,gn meeting undi Spokane County De1►elopment BngineeM Seivices Sqgiaeers where a,greemeni was reached on drainage design approach. Ya 0 rb 0 N,,► tZ 2. I have included the c+esults of any geowJmical testing that ts required by tbe demgn approach to verifY desW pa~~• ves 0r~b 0 awAO 3. I have iBCluded any required pavement design calculaaons on new Pablic roadways as required by che "SPOKANE COUNTY STANDARDS FOR ROAD AND SEWER CONSTILUCTION", latest edlaon. vp 1:1 wA0 4 The road and drainage plans comply with the"STANDARD BOAD PLAN" requirements for plan, profile, and typical cwss swaon elements eontaiaed in"SPOBANE COUNTY STAAiDARDS FOR ROAD AND SEWER CONSTBUCTION" latest ediaon except as allow+od tbmugh appmvad demgn deviations Y. Vm 0 NiAO S. The drainage report incocporate.s the mmimwm requiremen~s for a stotm dcauage aoalysis as noted in che GSM and other items wiuch are appmpnate to demoamrate tbat the design meets all requuments of dhe Spokane County Guidehnes For Stormwater Management eacept as allowed througt► approved design deviations Ya 0 w 0mAll 6. A complete drainage bassin map witb dime of concentradon paths shflwn has bcen included with the detuted hydrology calculatioas. Drainage bann map shows topography, pmposed draumge feaau+e.s, and correlates with hydrology calculaaons. ,r., 0r4e 0 wAd 7. I have coordmated araffic comrol and sigaiqg equu+emens wnth the Spokane Cowatq Traffe Bqgineer These requmments are shown on a separate plan sheet; OR are mcorpordted mno the plans for each road Ya 0No 0 mw Z 8. I llave uncladed cApte3 of all approved DESIGN DEVIATIONS whiCh are reqwred fot thls project. Y.. Orb 0 wAO 9. The plaas and drausage report are stamped, sigaed, and dated, and contains, the applicable cemficaaon s~nc. 1 p z..1.0 / -P~ o 3z c- - _ vn EYrm 0w,► C 10. I have mcluded an adequate emon control plan and appGcable staadard plan aotes. vd 0.A9r 11. I 6ave secuced approvals from all apphcable oucside agencies such as fire distncts where applicable and have mctuded proof of theu approvals.. Y. 0 N. 11 tq,A 13 12. I have pravided an acceptabie means for perpetual maintenance of street and drawage facilities that is ac,ceptable co Spokane County and have secured and included copies of any required easements. Y. 14b 0 mA O 13. I have rmewed the plans, calculadons and odrer sabmiual data fior cximpleteness, accuracy and coanstency and have submitted two copies of plaas and (1) bound drainage repart. uacplacvl aoass 1 1 undetstand dhat the reQwrements noted above are the nuaimumxequuemems neressary to perfocm a curso_ry rewiew of the project ,oa.as, gnd chat, addittoaal infotmwon should be included wnth this,submiual as Qayessaiy. I understand that t6is subimittal will be checlced for oomptetencssprior to review, and ti~at, it wtll be returned for further information if ~c ~is ,found to be. incamplete I und6rstand that this submittal will not be accepted for review (and placed on the re`view I.ist) until all nquired information has been submitted. Form comp[eted by the responmble Engneer: ~ h e-las-r- V% . Company. tn q~ n e~ ~ s Adaress: ~ 0, 7Fa 4d 2-22- ►Z. Date 5 Zip code 1 Z~~.l 9 SUBMITTAL Accepted for ceview Reauned for submitral of tbe, follownng: GENERAL ITEM # PROJ.ECT DESIGN # • RESUBMITTAL ITBM # Form returned to• - - ~ Company: - Address. Date. - - - By Spokane County PublivWorks Development Services vC4_4Wl 0/may9s 2 ~ . STORIVIWATER DILAJNAGE REPORT for the proposed addmon to Spalding Auto Parts and umprovements to _ lKnox Adenue west of University Road Station 19+95 7 to 23+37 7 , in the SE~ 1/4 of Section 8, T 25 N, R 44 E.W M Spokane County, W41ungt6n ~ Decerraber 22, 1995 ReportfPrepared By Sdmpson Engineers, Inc. North 909 Argonne Road Spokane, WA 99212 PROIECT NO 13140 s_ F. s~,~ I * * * TABLE OF CONTENTS wASp~~ ~ O : Knox Avenue, Subbasin Data 9967 ~ Basi.as Draining to Swale "A" AL~ Basins Draining to Swale "8" ' M i. PIRFS 7117+9 7 Capacities of Curb Opemng Inlets Ra'onal Formula Hydrology and Bowstmg Calculations S C S SbAs Map aad Descriptions Spalding Auto FartsllGuoa Aveaue Siormwater Drauiage Report drainage2lcalcs113140b KNOX AVENUE SUBBASINS West Subbasia~ ' Limits: Station 20+50 to-21+50 Asphalt Area: (20' x lOQ') = 2,000, sq ft = 0 046 acre @ Ct = 0,9 Stormwater runoff from,this basia will enter Swale "A" via a proposed curb drop at Station 21+00. ~~*#s~~***~~~~o~***~#~~:~~*a#*~***~~#~*«*«*~* Central Subbasin Limits• Station 21+50 to 22+20, Asphalt Area. (20' x 70') _1,400 sq ft= 0.032 acre @ Ct = 0 9 Stormwater runoff from ,this basin will enter,Swa1e "A" via a proposed curb drop at Station 21+75. *****~*~ao~~a**~«~~~*~~~~*o~~*#~**~~**#***#~~~~ ~ East Subbasin L'units• Station 22+20 to 23+75 , Asphalt Area (20' x 1'55') = 3,100 sq ft = 0:07 acre @ Ct = 0 9 Stormwater,runoff from this basia will enter,Swale "B" via a proposed curb drop, at, Station 22+87 ~ 4 Spallcimg Auto PartsllCm Avenue• Stormwater,Drainage Report dr~nage2lplcsl13140b - - ~ ~ • . . BASII~ G TO SVVALE-A West and Central Basins of Knox Avenue: Asphalt Pavement = 20' x 170' = 3,400 sq ft West haif of Parking Lot• Asphalt Pavement =(7?' x 92') +(I S' x 22') _ 7,414 sq ft "208" Area (3,400 + 7,414) =10,814 sq ft= 0 248 acres @ C= 0 9 "208" Volume (10,814 sq ft) x(1/2") x(l'/12") = 450 6 cu ft minimum required *~*~*~**~s*~•**~****~**~***~~~~*~**~***~*~****~**~#~** "208" SVI/ALE A Pond Floor Area. 10' x 86' = 860 sq R Floor Perimeter: 192 LF with 3 1 slapes on all sides "208" Treatmeg Capacity Pond Volume @ 6" Depth. 0.5 (860) + 0.375 (192) = 430 + 72 = 502 cu ft 502 cu. ft. provided > 450.6 cu. ft. requiral for "208" treatment :."208" Swale A is OK for "208" treatment @ 6' depth S or e CanacitY Pond Volume @ 8" Depth: 0.67 (860) + 0 67 (192) = 576 + 128 = 704 cu ft. 704 cu. ft> 195 cu. ft. reqwred with Type "A" drywell, as per bowstring :."208" Swale A is OK for storage @ 0 3 cfs outflow rste O = C SpWtbD$ AUt0 patt.S/Knox AV8IIt2C SLOtIIliV3l@! DmliLls@ ftp0ti drainage2lcalcs`,13140b . sASnvs nRAnvnvG To sWALE s East Basin of Knox Avenue Asphalt Pavement = 20' x 155' = 3,100 sq ft East half of Parking Lot Asphalt Pavemeat =(95' x 922) +(1 S' x 242) +(15' x 1 S') + 3(16 -~/4nW) = 830740 + 360 + 225 + 65 = 9,390 sq ft "208" Area (3,100 + 9,390) =12,490 sq ft= 0 29 acres @ C= 0 9 "208" Volume• (12,490 sq ft) x(1/2") x(1'/12") = 520 4 cu R rrunimum requtred *****~*****#~~******~**~*~*s**~~~*****~~****~*~~$e~*~* "208" SWALE B Pond Floor Area (20' x 35') = 700 sq R Floor Perimeter 110 with 3 1 slopes on aIl sides "208" Treatment Capacitv Pond Volume @ 8" Depth 0 67 (700) + 0 67 (110) = 469 + 74 = 543 cu ft 543 cu. ft provided > 520 4 cu ft required for "208" treatment .."208" Swale B is OK for "208" treatment @ 8" depth Storage GW,acity Pond Volume ti 8" Depth. 0 67 (700) + 0 67 (110) = 469 + 74 = 543 cu ft 543 cu ft> 34 cu ft required with Type "B" dryvveU, as per bowstnng :."208" Swale B is OK for storage @ 10 cfs outflow rate Spalding Auto Parts/Knox Avenue Stormwater Dramge Repori drair►age2lqlcs1131 dOb . . BUILDING ROOFS est Buildipg- 60' x 40' = 2,400 sq ft = 0 Q55 acre Stormwater on this building's roof sha11 be collected in gutters and piped directly io the 1`ype "A" drywell in "208" Swale A. Qla=CIA=(09)x(3 18)x(0055) = 016cfs EAg BuildinaL 64' x 50' = 3,200 sq ft= 0 073 acre Stormwater on this buildwg's roof shall be collected in gutters and piped duectly to the Type "B" drywell in "208" Swale B Q1U=C1.A=(09)x(3 18)x(0073) = 021 c f s ~*******~~*~~~***~a~**~~~~*~~~~~****~***~~**~****** TOTAL TO TYPE "B" DRYWEI.L IN SWALE B From previous page, total asphalt drauning to Swale B from east basui of Knox Avenue 3,104 sq. R from east half of parkmg lot 9,390 sq ft From above, roof areas piped to Type "B" dryweU ia Swale B from West buildmg 2,400 sq ft from East buddmg 3,200 sq tt Total impervious area draining to dryweU in Swale B = 3,100 + 9,394 + 2,400 + 3,200 =18,090 sq ft= 0 415 acre (a3 Ct = 0 9 At 1.0 c.f.s outflow, storage volurne requ'sred m Swale B, with Type "B" drywell =177 cu ft (as per bowstring calculation for "Basin B Total") As detailed on previous page, Swale B volume at 8" depth = 543 cu ft 543 cu ft> 177 cu ft reqwred :."208" Swale B is OK for storage @ 10 cfs outflow rate Spalding Auto Parts/Knox Avenue SlonnN+rs►ter Drainage Repori ciratnage2lca1cs113130b ~ . CAPACITIES OF C[JRB OPF:NING INLETS AT LOW P4INTS VVEST BASIN Curb Drop at Low Point, Station 21 +00 A.ssume entue West Basin Qip drains to on-site pond via the curb cut at the low point Grven Q 10 - 0 13 cfs to 2 LF curb opening to on-site pond H=0 145 Solve for Leneth L= Qla / 3 087 H312 _(0 13) / 3 087 (0 0552) = 0 76 feet, mtnimum opening width Construct 2 ft wide curb opening to on-site pond GENTRAL BASIN Curb Drop si Low Point, Station 21+75 Assume entire Central Basin Q 10 drains to on-site pond via the curb cut at the iow point Given. Q 10 - 0 09 cfs to 2 LF curb opening to on-site pond II=O 125 Solve for Lenoth L= Qlo / 3 087 H312 _(0 09) / 3 087 (0 0442) = 0 66 feet, minimum opening width Construct 2 ft wide curb opening to on-site pond EAST BASIN Curb Drop at Low Point, Statian 22+87 Assume entire East Basin Qip drains to on-site pond via tlie curb cut at the low point Given Q 10 - 0 20 cfs to 2 LF curb operung to on-site pond H = 0 166 Solve for Leneth L= Q1v I 3 087 H312_(0 20) / 3 087 (0 0676) = 0 96 feet, minimum opening width Construct 2 R wide curb opening to on-site pond Spaldtng Aulo Parls/Knox Avenue Storm~vater Drainage Report $ draiaage2lcaal cs113 l a0 • • ~ FATIONAL FORMULA HYDROLOGY UATE = 14/ 17,/95 DES I GNER C S IMPSON' HAS IN WEST P'ROJECT NAME = SPALD i IVG DESCFIPTION = KNDx RDADWAY DRAINAGE SUBAREA 1=. 046 ACFES SUBAREA I RUNOFF COEFF I C I ENT = .9 TOTAL AREA = .,046 ACFiES COMP05 I TE F+UN(1FF COEFF I C I ENT = .9 CIVERLAND FLOW VALUES ~Ct = .15 L = 20 N - .016 S = .02 CHANIVEL FLOW VALUES L = 50 Z1 = .172 Z2 = 12 N = . 01,6 P = Q S = .005 TD = .145 COMF'UTED VALUES DUR _ 5. GCi I1o 3. 18, Q ,1 0` _ . 111.1 QA = .14 . ' . RATIONAL FORMULA HYDROLOGY UATE = 1 O! 17 / 95 DES I GNEF7 = C S I i"IFEOIV BA5 I N M I DDLE 21+50 22+20 PROJ ECT IVAME ~ SPALD T NG DESCRIPTION = k;NOX ROADWAY DRAINHGE SUBAREA 1=. 032 ACRES SUBAREA 1 FtJNOFF COEFF I C I EhIT = .9 TOTAL AREA =.432 AGFES COMPOSITE FUNOFF COEFFICIENT =.9 OVERLAND FLOW VALUES Ct = .15 L = 20 tV = .016 s - .a2 CHANNEL FLOW VALUES L - 45 Z 1 = .172 Z2 = 12 N = .416 8 = Cr s = .005 TD = .125 COMPUTED VALUES DUR = 5.40 110 = 3. 113 Q10 _ .09 , t QA = .49 . RATIONAL FOFMULA HYDFcOLOGY DATE = 10/17/95 DESIGNER = C SIMF'SON BASIN EAST 22+24 23+75 PROJECT NP-1ME = SPALD I NG DESCR I RT I OiV = w:IVO XROADWHY DRA I iVAGE SUHAREA 1=. 07 ACREr SUBAFiEA 1RUNOFF COEFF I C I ENT = .9 TOTAL AFtEH = .07 ACFtES COMP05 i TE RUNOFF COEFF I C I ENT = .9 OVEFLAND FLOW VALUES Ct = .15 L - 20 N = .016 S = .02 CHANNEL FLOW VALUES L = 88 Z1 = .172 Z2 = 12 N = .016 B - G 5 = .aC►5 TD = .ibb COMF'UTED VALUCS DUR _ 5.00 I 10 - 3.18 QiG = .20 QA = . ~cr . . . . KArIONAL FOFMULA HYDROLOGY UATE = 11/17/95 vESYGNER = C SIIhPSON BASIN WEST SIDE PROJECT NAME = SPALDIIVG AUTO DESCRIPTTON =KNOX ROAD AND WEST FORTIOIV OF L01 SUBAREA 1=.248 ACRES SUgAREA 1RUNOFF COEFFICIEPJT =.9 TOTAL AFEA =.248 ACRES CAMPDSITE FUNOFF COEFFICIENT =.9 OVERLAND FLOW VALUES Ct = .15 L = 110 N = .0ib S = .01 CHAiVNEL FLL1W VALUES L - 4 TD = 0 COMPUTED VALUES DUF'~t - 5.00 I 1G = 3.16 010 _ .71 QA - 0.00 BQWBTRTtVG GALCULATIONS DpTE = 11/17195 DESIGNER = C SIMFSON BHSIN WEST SID RROJECT NAME _ SFALDING AUTO DESCFIPTION = KNOX FOAD AND WEST RORYION OF LUT t t Intensity Qdev. Vin Vout Storage (min. ) (sec. ) (in. /hr. ) (c. f . s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 * 300 3.18 .71 285 90 195 10.0 600 2.24 .50 3-51 18G 171 15.0 900 1.77 .40 396 270 126 20.0 1200 1.45 .32 421 360 61 25.0 1500 1.21 .27 4703 450 -17 ~0. 0 1800 1.04 .23 4449- 540 -98 -3-05 . 0 2100 .91 .20 447 6 ~ 0 -183 44.0 2400 .82 .10 458 720 -262 45.0 2700 .74 .17 463 810 -347 50.0 ~ Q0 0 . 68 .15 471 900 -429 55. 0 3300 .64 .14 486 990 -504 60.0 3600 .61 .14 544 1080 -576 65.0 3900 .60 . 1". 5 Z 1 1170 -6~9 70.0 4200 .58 .130 557 1~60 -703 75.0 4560 .56 .12 574 1350 -780 80.0 4800 .53 .12 580 1444 -860 85.0 5100 .52 .11 598 15360 -9~2 90.0 5400 .50 .11 614 16?4 -1006 95.0 5700 .49 .11 635 1710 -1 075 100. 0 6000 .48 .11 654 18ao -1146 THE f'IAXIMUM STORAGE Ir 195.329952 CU. FT. * The ti me af concentrati on i s 5 ma nutes. The Undevel o~ed f1 aw out i s .3 c. f. s. TEN YEAR STORM CHLC , RAT I C7NA L FORMULA HYQROLpGY DhTE = 11 / 17 / 95 DES I GNER = CS I Ml:~SOld BRSI N EhST S i'DE ,F•ROJECT NAME = SPALDIhIG AUTO DESCF I F'1' I ON = KNO XROAD HIVD PARUNG LOT SuBAFEA i=. 29 ACRES SUBAREA i t"UNOFF COCFF i c i C1vT = .9 7(]TAL AF►EA = .29 HCRES, COhiFOS I TE RUfV0FF CDEF"F I'C T EiVT = .9 C1VEF,LAIUD FLOW VALUES Ct = .15 L = 1 20 hl = .GIb S - .U1 GHA'NNCL FL04J VALUES L = ,C~ YD = 0 C.O1nPUTED VAL''ULS DUR - 5.00 I 10 - 18 010 Ba QA 0.00 , . s . L-+L]WSTk T IVG CALCULAT I ONS DATE = 11117/95 DESIGNEFt = C SIMRSON BASIN EAST SID F'ROJECT IVAME = SPALDIIVG A11T0 DESCR I F'T T ON = KNOX ROAD AND PARKI NG LOT t t Intensi ty [ldev. V-Ln Vout StoragE (min. ) (sec. ) (in. /hr. ) (c.f.s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 ~ 300 3. 18 .83 334 %300 34 10.0 baG 2.24 .58 410 600 -190 15.0 900 1.77 .46 46~ 900 --437 20.0 1200 1.45 .38 493. 1200 -707 U 150C~ 1.21 . 3~ 5~'ab 1500 -994 30.0 1800 1.04 .27 516 1 saO - 1284 = 5.0 2100 .91 .24 Ji.} 2100 -1 577 40.0 2400 . e2 .21 535 2400 - i so5 45.0 2700 .74 .19 541 2700 -1.111 5-9 50.0 3000 . 66 .18 551 3000 -2449 55.0 33940 .64 .17 56E3 3..~a00 -2732 60.0 3600 .61 .16 589 .:~60Q -301 1 65.0 3900 .60 .16 621 390Ct -3279 70.0 4204 .58 .15 651 4204 --3549 75.0 4500 .56 .14 667 4500 -3833 80.0 4800 . 5~ .14 679 4800 -4122 85.0 51 Oti .52 .13 699 5100 -4401 90.0 5400 .50 .13 718 5400 -4682 95.0 5700 .49 .13 742 5700 -4958 100.0 6400 . 48 .13 764 6000 -5236 THE MAXIMUM STORAGE TS 33.65196 GU. FT. * The t ime of concentrat i on i s 5 mi nutes. The Undevel oped f 1 ow out i s 1 c. f. s. TEN YEAR STORM CHLC . , RATIONAL FORIhULA HYbROLOGY DATE = 11 / 17 / 95 DESIGNER = C S I I'1PSON BAS Y fV b,TOTAL FROJECT NAME _ SPALDIiUG AUTO , DESCRYI PT T ON = k:NO X+ PARKI NQ +R00FS ~ ~ SUBAREA 1=. 415 ACRES SUHAFEA '1 RUNOFF COEFF I C I ENT = .9 TOTAL AREA = .415 ACRES COMP'OS T TE FUNOFF CUEFF t C I ENT = .9 ,DVERLAND,FLOW VALUES _ Ct = . 15' JL - 120 N = . 0I,b S = .01 CHANtVEL IFLOW VALUES L ~ Q TD = O Cf3MF'UTED VALUES DUk 5.90 I1C! ~ 3.1'8 u1 O 1., 19 QA = Ci . UO . . . BClWSTR I hIG CALCULAT I ONS DATE = 1 1/ 17 / 95 DES I GfVEFt = C S T MP50N BAS I N B TOTAL PROJECT NAME = SPALDING AUTO DESCF; I FT I ON = KNQ X+PARK I IVG + ROOFS t t Intensity Qdev. VYn Vout 5toraqe (min. ) (sec. ) (in. /hr-. ) (c. f . s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 ~c aGQ -0. 18 1.19 477 3tit) 177 10.0 600 2.24 .84 587 600 -13 15.0 940 1.77 .66 662 900 -238 20.0 1240 1.45 .54 705 1200 -495 25.0 1500 1.21 .45 724 1500 -776 30.0 1 BoO 1.04 .39 739 180U -1 U6I 35.0 2100 .91 .34 748 2100 -1352 40.4 2400 .82 .31 766 2400 -1634 45.0 2700 .74 .28 774 2700 -1926 50.0 3000 .68 .25 788 3000 -2212 55.0 3300 .64 .24 813 3~ 0G -2487 60.0 3600 .61 .23 843 3600 -2757 65.0 3900 .60 .22 889 3900 -3011 70.0 4200 .58 .22 9a2 4200 -3268 75.0 4500 .56 .21 954 4504 -3546 80.0 4804 . 53 .20 970 4800 -v830 E35.0 5100 .52 .19 1~'a41 5100 -4099 90.0 5404 .50 .19 1027 5444 -43"73 95.0 5700 .49 .1E3 1462 5700 -46~8 100.0 baOQ .48 . 18 1094 6000 -4906 THE MAXIMUM STORAGE IS 177.46746 CU. FT. * The ti me of concentrati on i s 5 mi nutes. The Undevel oped f 1 ow out i s 1 c. f. s. TEN YEAR STORM CALC SPOKANc COUNIY, vvt~~n~+~~ • ~ R 61~I? p5~ ~ ~ SwB V r f qa E ~mar+ i j• . ° - p ~ ti -i,1 ~ ~ t ' ShEet 57) ~ J t IL ~ ~ ~ ~•e--'.,~'tin , ~ r ; 1#2 SZE i B •c { (loms , .a,t " ° r ' • i . : ^ ` . . ; "•~~i~sg• r .f'" ' ~ , ► ~ ~ tl -MbC M! HmA „ .r ,~`f r~ , , `a ~a'h ' ~ •H~A o ~ ~ ; . kr~ , _ ~ 1 ! ' ~ ~ ~t~ • •1 J ~ ~ n ~ ~ , y, •`y ~8~ ' ~ .N cy ~C . I a ~ ~ , ~ . , ~ -01" -5. ~ ►~y ~ •rj t i~a 1'"~h ~ ~.}1 . ' It t ~ ht~ a^"~ `'tQ • ~ ~ ~pg P8 . ~ y~,gti'~4}+ r a'ria par~:~ ~ _ ~ r ° GnB 1Pin N ''~„~.'~t'" w ' ~~/t•~ r1 e • ~U G~ ~ ' , t ^ ~i~i~•{~'~ ~ ~ ~ . 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' e' a_+~~r'~~, ~~i~►.7`+'~~~p J.rf j~av~ ~ . ~ ` 4 ~ t f~ . S~' i 1'aU~}'~-i / ,''~Sa'~'~ i°"~ ~atl~ S~ ~ ~1 ' : rC ~ L ~'ef! ' _ t e F ~ ~ ~ : ~ ~~t•~ ~ `1 "v ~ ~ ` ~t ~~C^ ' g ~ .'`Fi ~~yl,lanRd-t > ~p e . ac A G ~ '~3 ~ ~tj~ I 'y ~ T r ~~Lt~ ~ ,t ~ 9 ~~~~Mr. . r~♦ ,ti~( suE,o 4 f~11 C. r~~' ~ ~ ~{►'',r•• y,,, y ~"~~w ti y~~~,.. D~s,~ f R ~ 3•~ ~ ^ ~ ~ ' ~ ~ ~ h RlY7~~~J~ 140 ~t ~ ' ' w , a 41 ~ ♦~t ~~Z~ ~ ~ p;~' ' ~ w`iA' if~{ h t , P ~ yt'~a ~ ` p1 rY' _ 4 -ef GUA If ~ . 1 r~: ~ ♦ • % f ~ J~ Y~' • ~ . ~4 ~ ~i ~ `L . ` ~ f • _ ~ ti • L y~ _ `+SI ` 7 r ~Z. ~ Q ~ I~ e ~ r ~1 ~ ~ •t~GRE~It±~~. t '{Yt NORTNfHN Z~ j ♦ r ~J. b ~ 1 ~ ~ • ~ s'~ ~ N , M 1 - ii • J i~''" _1 il ~ y ~.l~ : ~I• 1 ~Z, ~v / ` ~ ~ !1~'~'~ + . ♦ 1 ~ " ~ep • i ~ .5 a i. , l 1 \ y ` - • ~ i " ,,~y'~ v , ~y v; g x y S~ ' riiD ~1iwy ~ ~ • ` M G6A co ~ ~ e ~ ~1 ~ • l ~ ~ t ~ + ' ~f~, ~ ♦ e , . Ti1 r Vf ~ ~ ~ ~ ` ~ I ~\1AIQ1~' N ~ ~ ♦~r~ ~ ~ I ~ V~ + ~ i ~ ~ . ~ ~y{~i 1 "~p ~ 11 ~ •`i'• _ . r . • , ~ ' ~ ' +iC~ ;y ~ ' ~ ~ ~ ~ o - • . i , r ~ ~ , ; r 1,t' ~ - - . _ ~ . ~ y~s~,~ • . - .I . r•' , ~ r~ ~ !f .v P10` • . ~ •'C"' ~ 4'~~~~° 1 ~ I / ' ~ I ,r " 3 ' , ~t j + 1 . ~ t }-'J " ~ + ~ 4 ~ j ~ ~ ~ ~ ~ v ~ . y r ~ ~ ~ ~ r ° ~ ~ ~ b~ . • . Z 1 , , ' ' 1 ~ ~ ~;•'1t'~`,~,~,..~, , 4'~ ' a 'l+Cp .r~• ~ c 0 ^ • o w ~ " ryy .~e ~r' • i~~ ' ~ ,t ~ ~ w a~ 9 • ~ ~ • • 1~'~ ~ ''MO~ , • ~~1• ~h~M~+° i~ ~ ~ f te • ~ 1 , ~ y 1 , ~ ~ ,t ~ 1 ~ t' ~ ( ~ _ ~ ~ ~y ~ ~,1 ~ 1 tr~ , ~ ~ ~ ♦ ~ ' P , 9 ~ ~ ~ t~y~~~a~+~ F ,y--~'„ , Gqj~ ~ ~ ' ^ f', ~ ~~1 b ~ S ! ~ ~ b 3 ~ ~ ~ ~JL.+-~''~ ~'Y~ . v- ` ' ~ • y . ~ . ~ oa ~ ,Uy~, T 40 r✓ ti+• , 1' , : j r ' ~ ; 1= ,i"~'•~i ~~'rl ! ' ~ ' ~ ~ ~ ~ ~F~ ° ~ h ~ ~ K Q : ~ 1 ~ ~ ~ 1 1~' ~ ~ ~ ~ 1 ~ ~ ~t• r' ~ . • • s • ` ~ ( ~ ~ ~ ~ ' ~,r ~''`j ( ~ ~ f r^ ty • ~ ~ f) ~ ~.l y ; . ► t r- I ~ • l 5• re~ ~ +.a ~ . r• ~ • c ~ •iD'~ ' ~ ~ ~ r f i ( ~ 1 L~ ~ ~ ~ . i ^ M tL. ; qr . , t r,1 . N~ r , t+W'.1 i ' ` - t *..(~A• ' ~y/ ~+rr !1 ' ~ r ` I ~ ( ♦ . ~ ` ' 1 1 ~ ~ ' ~ s ~ • t' ► ~ ~ ~ 4 ♦E r. , y ~►u' Y : • /;f' 11 Z,.° i ~ . " ~ 1 1 ~ , JI N ~ ~ ~ ( • • • y !~C` ' 'i 'e 0~ 1 ~ .o~ ~ A ~ ryn w ro ~ ~ i ~ 1 • ~ 1~ ~ r lb ~ , v 1 ~ ~ P~ • ~ 1 t . "L w, ~ ~ • ~ ~ ~ ~ l 1 M . y 1~ . . ~ ~ a y~.y . j ~ i'r''°_' ~~1 0 1 • ~ ~ ~ 1MI ~ 1 ~p~l~ Y41 • ~tr . r' • , 74 sou. sUrtvEY '1'AijLx G---Breef clEsc•rtplcurcs tij -budo uid ll►rt Clu~f3~uli►~t~ • l~~.l~tli 11tap Sull tu►iuo L4.s.rtpliun of soil uucl zutc- lruu► syiqbdl aurfucu G-AU 1 t'xturc Iu OsC l3ragaon etaiy allt los►ua, 0 to 30 pt:rceut Sniiitur to llcudoou x►lt lOacn, 0 to 30 parc-ut ~ slopca. ~loptxz, exc.epri I.ltu6 tilte 3u►i.teu le►yer ~ alouy. DsD I)rc►bc~on stouy si16 lduuio 30 to 55 p~r- cuut alopcs. I ~ Dr0 Dcuboon vory rocky complcia, 20 to 55 Drugoou pArt, swulur w Drcigouu stlt louud, 0 ld pvl Cl:lit UIUIx:i 311 c:r'~a~~t ~lu~~, 4eaLpt lliut a►:~~tb lu uiLl- ro~stru"gim frasu !tf tu :U uit-htz ltuel. uu4- cruN hi(ludeJ ut Wits wuilstc.% EkB 1:1O1kikbllt lOAtp,U CO 20 lsurt;(.ut slupus. Aletliuni-ti:atured, el!-clrainecl wil furuieQ tro I u U w24 aat luuiu_ gluc:Iu1 ull iuuti1wuig u luigU uuwuuc Ot vul- Lututt ubll tu lltc ducfc►LL 1.>)Lr; uuLIwl4u4 Uy 24 to 44 OruvcUy lu.iiu--•--- griwi.-! :it clUljl.1t Ot .iU ta UU iuc.hWS, oteupu.~ 44 to f,J 1'Lry 6weU) ac.c,J3 « uduluuub, uwtuisteliku tu1,ugr,ypl►y luutu ; 51 tu t3tf uru% J EIC EloikA very stouy eilo luuui, 0 lu 30 pxr- Siruilur 1o Llujl&,►sIli luuui, U to 21) nc:rcuul.3lopi:~, t i cuu6 alojx-S. c:huspt tltab tI►i.y ttrg <<cry Swliy tUrougiiuu6 EID L'Iotku vory stouy sat loam, 34 to 66 SureeuL s!u!i4a Em l:tnd4ut sat luau, Atucliutu-leaturLd, somcwhuL iwurly drumetl, U tu rL hilt luviu-----•---- rilkuluiu suii furiuwd Iu ulluviuui fruut culeur- ~ entus aIlt, vult,.Aiih, irsli, iukd diu6ui►itu, dc:pUt 26 tu 41 1rtry Iiuu a.,uay ~ lu %ruter tAt,lu lluc.Wal.zi !ro«► imuc b!►u burfuce tuuut q w iklJuut li (ULt 41 to Ou auiitl) r1:►y laAu,. FaB rrec:iuuu► silt ldiuu, 5 t,o 30 lx.c"u6 Ycry dc.Lp, uioderukly uall ciruu►ed uplLuicl suils, U w 23 ,i1L 16.uu i slo~t~ Hlll► 11ILdMtn-tw~turuel3iirfuw luyer uitd u►Lclt- Fa83 1'ric:wau ailt launr, 5 to 20 Ex:ccent uw uc iuutlernl4ly fiii4 to-wUrt daul,soil, furiuLd ?2 to 72 $Llty CluY louw._--- ~ rilulx%, acvere y croded fruiu tiU6 uu roUtug to 1►►1ly upluutl3 faC3 rrcvincu► adt luuui, 20 to 30 purcuat d tilnixti, aevurely c:roded Fm I~'1e51t wutuc uu»sh. S4ullow, ~~vuu> >y. luteiuuLte;ut pnndb i►ucl ~ fruigc.s 1uk« tluk6 luive ►t llucluaUug watt.r table Lilghic.elwg dutit 6 uuL givut, ~ us iu„d typn is Lou vutIuble GaC3 GurRcttl atlty cslcty leuut, 0 to 30 porccnL Yery clecp~ %vcll-clruinu.tl ~il dtv~JapeJ ut loc'~ 0to b Silty cl~+~• lu ►w-----: slai,ea, sevwtly croel4~d uii iIJ~laup3 ,uid bnuUa uii Che rc,Uui6 to lulty 8 tc, 23 Silt) clA) I uNluntli Iu tl,o. 1'uluumu buU ,ue,► 23 to ioo Silt) clA) lnuw-___.l ~GgA Catttisou gravc:Uy lown, 0 to 5 periont Cruvelly, iuewleuus-texC.ureJ, soitYCwhut c,mes- U to lS ~~rc~velty (ots~t ~ ttloli~ asaely clc~iutia bnjits lurnu4J w 6iuY4.Uy blutlail 15 to ~1-1 ~Lry giuvilty lul►iu__f Gg8 CnrrIsuu gruve!!y loniu, 5 to 20 l,ercaut OuLwadli utAlc:rial frusit u vuric.tiy of ucid, 44 w Ou S..ilcl, gr.A%1.1, Ui►.l ~ IluNc.3 jsttwlt:d pstrwitt rut,k, uu utuily luvCl w uint!- ru1.b}~~tcu►~. Lrut►•ly nlUtuu6 Uwrttcub, ds-pth w wieture ut tuuic~, gn►vul. rtikd c.u1,b1ubtwncm iuiibtA [roit► ~ '3A, w 5 f"L. C Gm8 Qurrisoi► «uy greeveily lotun, U to 8 htnii1 tr to Cae,iaau qativi.Uy luuui, LsLuNL tlu►t U to 15 1'scy gru%LilY loi►u,-- pururi►ti a1upw U►u mui fam. iuyu ia vwy bn►v41ty 151o14 Viry gcuvuUy lu..ui_.~ 34 lu QU Suud, gcuvil, .►ncl wuwl+At~i~c~ Gn6 Qarrisou very titouy loumg 0 to 20 Ssiullur to Gulliaou bruvaly luui", 4lfcCpt tIktt ~ puvwkt slupas tlia nurGLcc: l,ty« iS vc.ry atu»y. ~ GpA Qlenrose silf, louw, 0 to 5 percei►talnpea. Yc:ry deep, iuecliuin-tcxlured, w411-drs►intd suils 0 to 73 aitc louu►_---------_, GpB C3lenrase ailt foani, b to 20 paicoucttlupcs. turuted tcu„► ua,cl igiwous gluwul till; ciurfu« GpC Cleju oso sdt lount, 20 t,u 30 porLw►6 litpar lullutf~it-acl uy 14r% uucl VulwuiL u31i, au ~ bIojse.y. geiitly rulliug to sliop ul,luuds j GpD Clvuracu eflt lauut, 30 tu 55 pvreuuC ~ slapes iP• . 'r OF AGREMOMT ~ CL% , s Y ea er ~ato a coatract f s a Sgr~eemeat (11-W=?:N8$R" ) gor construction en~ineeriag . tr.wd' r fi- r+-•zv c b~.x services or no~c x ~ (r[. INJA } ~N.~JCi 1. The minimum scope of these construction engineering services includes, but is not limited to: A) Daily observation and reporting of construction activities on this prolect; B) Maintenance of all construction records related to thzs pro3ect, to iaclude, but not limited Co daily inspection reports, - caanuf acturer' s certif ications , rnaterial test reports, and correspondence; • C) Assurance that the construction of the roads and appurtenant drainage facilities is accord.ing to the certified and approved plans accepted by the Spokane County Engineer, Spokane Couaty General Provisioas, the Sta=vdard Specificatioas, and applicable portions of the WSDOT Construction Manual; D) Staking and Monutnentation; E) Development o€ Record Drawings; and F) Testiug of construction cnaters.als for compliaace to the plans accepted by the Spokane Couaty Engs.neer, Spokane County General Provz.sions, the Standard Specifications, and applicable portions of the WSDOT Coastruction Maaual, all according to the ediCion of the "Spoicaue County Standards for Road and Sewer Construction" governing this pr01ect. 2. Prior to acceptance of the roads and drainage facilities by Spokane Covaty, the Engineer shall submit all constrcictioa records and the Record Draarings to the Spakane County Engineer 3. The total estimated cost of the Construction 8nga.neeriag Services f or this proj ect is Page - 1 ~ DATFD this 26 day of 199 ~ Par ti wasna.ngton= dorpora ion V--M By, ~ y *F~ a.r. r a.•yaw~ . f, / N NM} :'~'-Yrr.1 }f~"~JANIWV _ STATE 4F WASHINGTON ) . ) ss County of Spokane I certify that I know or have satisgactory ev3dence that is the persoa who appeared before me, and that said person acksiedged that he signed Chis i.astrumenC, oa oath stated that the informatioa contained i.a thi.s instrument is factual aad accurate, and Chat he was authorized to execute this iastrument, t,' JMCI{`y~ ••'+l,lV YA"Y MYG}l(x+ f~ aad acknowledged it as the Pres~ ~dent of 7~4 ' "'lAPODOj~a/ 1Jti .r '.IlSM1 . f, ~ aWashington corporation, to be e ~ree and vo`"fuatary act of said corporation, for the uses and purposes therein mentioned in the instrument. ~ Dated this day of ~l , 199~ NOTARY P LIC san aad f or the S tat of Wash gtoa, residing at . My appointment expires a ~''~~~4U~•" I ' - ~Aliii~r~~ ' 41 t ~ tt OT,~~ t _ z L IC ~ .c►'•~~ ~~G~p'~; 19§l ,~O'~►``~~~ ~ 8age - 2 A J~ ~ • ~ DATED this Z-Z""aay Of 199 s' • ~ ' J y/» l ~ 1 S , ~~f1j '.,+1 VF~. O~lJ~A7~O1~ an. f sA'4.~ K WSS ~01].~OL"p B G. ✓ ~r'etA S STATE OF WASHINGTON ) ) ss Cowaty of Spokane ~ - I certify that I know or have sat3sfactory evidence that C,h~r (e s S%w.psov-, is the pe=son who appeared before me, and that said person acxnowledged that he signed this instrumeat, oa oath stated that the information contai.ned in th3.s instrument is factual and accurate, and that he was authorized to execute tkiis instrument, aad acknowledged it as the Se~.-Tra." of +'Y 7}Y.g~?r~ { t. r J°' ~ ~ +7Uu~ x~ a Washiagton corporatioa, to be tne ree anc~ vo un~ary act of said corporation, for the uses and purposes there in ment ionecl in the ins t ruTnent . Dated this ~ day of rL>m~cw.b 1995 . ,,~~~t~/f~~~~♦,, v ~ ' . E M• NOTARY PUBLIC in and , f or the S tate • ~ of Washington, residsng at e- . . My appoiatment expires 3.l•r g_ 1 q q g ~ ~ . . PUBUC 249 ~►.,,°~wl►a,,~,.a Page - 3 . 'STORMWATER DRAINAGE REPORT for the praposed addmon ~ to Spaiding A►uto Parts aad unprovements to 'Knox Avenue west of University Road Station 19+95 7 to; 23+37 7 in the SE 1/4 of Section 8, T 25 N, R 44 E W M Spokane County, Wastungton December 22, 1995 Report Prepared By Simpson Fngineers, Inc. North 909 Argonne Road Spokane, WA, 99212 PROJEC7' NU 13140 TABLE OF CONTENTS E. ~4 w ~J~ Knox Avenue Subb_asln Data Basins Draining to Swale "A" ~ ( r~ R9ss7 Basins Drairung to Swale "B" Capacities of Curb Opening Inlets ~ EXPJ?M~ 71t?) 97 ` Radonal Formula Hydrology and Bowsting, Calculations S C.S Soils+Map and Descriptions` Splduig Anto Perts/Knox,Aveaue Stormwatcr Drainage Rcport dramage2lqlcA13140b ~ • v a ICNOX AVENUE SUBBA.SLNS W-ca Subbasin. Limits- Station 20+50 to 21+50 Asphalt Area (20' x IOQ') = 2,000 sq. ft= 0.046 acre @ Ct = 0 9 Stormwater runoff from this basia will eater Swale "A" via a pfoposed curb drop at Station 21+00 *~*s****#*~s~#****~**#~~~#s*~*~**#~~«*~#*#~~ Central Subbasin- Limits. Station 21+50 to 22+20 Asphalt Area (20' x?0') =1,400 sq. ft. = 0.032 acre @ Ct = 0 9 Stormwater runaff from this basia will enier Swale "A" via a proposed curb drop at Station 21 f75. s*s#*~*#s****~~**~*s«a**~#*~**t~***~*#*~~~~~ East Subbasin Limics: station 22+20 to 23+75 Asphsit Ares. (20' x 1553) = 37100 sq ft= 0 07 acre @ Ct = 0.9 Stiormwater runoff from this basin will enter Swale "B" via a proposed curb drop at Stahon 22+87. Spcddwg AuW P3rts/KnoY Avenue Stormtv:uer Drainage Report ' dratnage2lcalcs113140b , BASMS DRAINING TO SWALE ~ West and Central Basins of Knox Avenue- Aspbalt Pavement = 20' x 170' = 3,400 sq ft West balf of Parla.ag Lot• A.sphalt Pavemerrt =(77' x 92') +(15' x 22') = 7,414 sq ft "208" Area (39400 + 7,414) =10,814 sq. ft= 0 248 acres @ C= 0 9 "208" Volume. (10,814 sq 8) x(1/2"I x(l'/12") = 450 6 cu tt nmnunum required i~i*~#~k*f#i~#**~~*~*##*#*#t~#i~*~k*#**~*t~#~k~*~*#i~#*~k#~# "208" SWALE A Pond Floor Anea• 10' x 86' = 864 sq ft. Flaor Periraeter: 192 LF with 3 1 slapes on all sides "208" T~,atment CaQacitq Pond Volume @ 6" Depth. 0.5 (860) + 0 375 (192) = 430 + 72 = 502 cu ft 502 cu ft provided > 450.6 cu. ft. required for "208" treatment :."208" Swale A is OK for "208" treatment @ 6" depth Storap Cagacity Poad Volume @ S" Depth. 0 67 (860) + 0.67 (192) = 576 + 128 = 704 cu. ft. 704 cu, ft > 195 cu. ft. required with Type "A" drywell, as per bowstring :."208" Swa1e A is OK for storage @ 0 3 cfs outflow rate OFMCIZZ= 5= 8=2m= Spaldmg Anio P9rts/KnaY Avenue Stcuaau=er Dr.unage Rcport drainage21cWcs113140b BASINS DRAINING T4 SWALE B East Basin of Knox Avenue Asphalt Pavement = 20' x 155 ' = 3,100 sq ft East half of Parking Lot Asphalt Pavement = (95' x 92' ) + (15' x 24' ) + (15' x 15' ) + 3(1 0~ -1/an 102) = 87740 + 360 + 225 + 65 = 9,390 sq. ft r`208" Area (3,100 + 9$90) =12,49U sq ft= 0 29 acres @ C= 0 9 "208" Yolumc. (12,490 sq ft ) x(1/2") x(1'/12") = 520.4 cu R minimum required "208" SWALE B Pond Floor Area (20' x 35') = 700 sq ft Floor Penrneter l 10 vrntb 3 1 slopes on all sides "208" Treatment CaQacitv Pond Volume @ 8" Depth 0 67 (700) + 0 67 (110) = 469 + 74 = 543 cu ft 543 cu ft provided > 520 4 cu ft required for "208" treatment "208" Swale B is OK for "108" treatcnent rY 8" depth Storage Ca.pacity Pond Volurae @ 8" Depth 0 67 (700) + 0.67 (110) _469 + 74 = 543 cu ft 543 cu ft > 34 cu ft required with Type "B" drywell, as per bowstnng "208" Swale 8 is OK For storage @ 10 cfs outflow rate SpW"g Auto PartslKnox Avenue Slormwater Drmnagc R,eport dratoage2lca1cs113140b BUILDING ROOFS West Building,, 60' x 40' = 2,400 sq ft= 0055 acre Stormwater on this building's roof shall be collected in gutters and plped directly to the Type "A„ drywell in "208" Swale A. Q1o = CIA =(0 9) x(3 18) x(o os s) = o 16 c f s East BuildinQ 64' x 50' = 3,200 sq ft. = 0 073 acre Stormwater on th,s building's roof shall be collected in 6utters and piped directly to the Type "B" drywell in "208" Swale 8 Qia=CIA=(09)x(3 18)x(0,073) = 421 c f s TOTAL TO TYPE "B" DRYWELL IN SWALE B, From previous page, total asphalt drauung to Swale B from east basln of Knox Avenue 32100 sq ft from east half of parking lot 9,390 sq ft From above, roof areas piped to Type "B" drywell in Swale B from West bwlding 22400 sq ft from East building 3,200 sq ft Total impervious area draining to drywell in Swale B = 3,100 + 91390 + 23,400 + 3,200 =18,090 sq ft= 0.415 acre @ Ct = 0 9 At 10 c f s outflow, storage volume required in Swale B, wrth Type "B" drywell =177 cu ft(as per bowstring calculation for "Basin B Total") As detaded on previous page, Swa1e B volume at 8" dcpth = 543 cu. ft 543 cu ft> 177 cu ft required "208" Swale B is OK for storage @ 10 cfs outflow rate SpalcLng AuW ParLsJKnox Avcnue Stormwater Drainage Repart drainage2lclcsl l 3140b ~ CAPACITIES OF CUILB OPENING INLETS A'T LOW POINTS VVEST BASIN Curb Drop at I.ow Point, Staiion 21+00 Assume entire West Basin Q1p drains to on-site pond via the curb cut at the low point Given Q 10 - 0.13 cfs to 2 LF curb opening to on-site pond H=O 145 Solve for Leneth L= Q10 / 3 087 H3j2_(0 13) / 3 087 (0 0552) = 0 76 feet, minimum opening vwdth Construct 2 ft wide curb opening to on-site pood CENTRAL BASIN Curb Drop at Low Polnt, Station 21+75 Assume enNre Central Basin Qip drains to on-site pond via the curb cut at the low point Given Q 10 - 0 09 cfs to 2 LF curb opening to on-site pond I-i=0125 Solve for Leneth L = Qio / 3 087 H3* _(0 09) / 3 087 (0 0442) = 0 66 feet, mintmum opening width Construct 2 ft wide curb opening to on-site pond EAST BASIN Curb Drop ai Low Point, Station 22+87 Assume entire East Basin Q 1 p drains to on-site poad via the curb cut at the low point Given Q 10 - 0 20 cfs to 2 LF curb opening to on-site pond 1i = 0 166 Solve for Leneth L= Qlo / 3 087 H3t2_(0 20) / 3 087 (0.0676) = 0 96 feet, minimum operung width Construct 2 ft wide curb opening to on-site poad Spalding Auto PartdKnox Avenue Stormater Drainage Report 4 dransge2lctlcsk13140 . • RATIONAL FORMULA HYDROLOGY DATE = 10/17/95 DESIGNER = C SIMPSON BASIN WEST PROJErT NAME = SPRLDING BESCkIRTION = KIVOX ROADWAY DRAINAGE SUbAREA 1=.046 ACRES SUbAREA 1RUNOFF COEFFICIENT =.9 TOTAL AREA =.a46 ACRES COMPOSTTE RUNOFF COEFFICIENT =.9 OVERLAND FLOW VALUES Ct = .15 L = 20 N = .016 S = .02 CHANNEL FLOW VALUES L = 50 Z1 = .17y Z2 = 12 N - .Olb H = 4 S = .005 TD = .145 CpMPUTEA VALUES DUR - 5.00 110 - 3.18 010 _ .13 QA - .14 RATIONAL FORMULA HYDROLOGY DATE = 10/17/95 DE5IGNER = C SIMFSON FASIN MIDDLE 21+54 22+20 PROJECT NAME = SFALDING DESCRIFTION = KNOX ROADWAY DRAINAGE SUBAFEA 1=.032 ACRES SUBAREA 1 RUNOFF COEFFICIElVT =.9 TOTAL AREA =.032 ACaE6 COMPOSITE RUtVOFF COEFFICIENT =.9 QVERLAND FLOW VALUES Ct = .15 L - 24 N = .016 S = .42 CHANNEL FLOW VALUES L = 45 z i = .172 z2 = 12 N = .41b Fi = 0 S = .005 TD = .125 COMFUTED VALUES DUR = 5.04 I1C1 = 3.1B 010 = . 09 . ~ QA = .09 RATIONAL FOFMULA HYDROLOGY DATE = 14/17/95 DESIGNER = C SIMPSdN BASIN EAST 22+20 23+75 PROJECT NAME = SPALDING DESCRIPTION = KNOX ROADWAY DRAINAGE sUPAREA 1=.07 ACRES SUBAREA 1RUNOFF COEFFICIENT =.9 TOTAL AREA =.07 ACRES COMPOSITE RUNOFF COEFFICIENT =.9 OVERLAND FLQW VALUES Ct = .15 L = 20 N = .016 S - .02 CHANIVEL FLOW VALUES L = 88 Z 1 = .172 Z2 = 12 N = .016 B - a s = .005 TD = .166 COMPUTED VALUES DUR - 5.00 T10 - 3.18 010 - .20 ~ QA = . ~Lr .i RATIQNAL FqRMULA HYDROLQGY DATE ~ 11 !17/95 DES IGNER = CSZ MPSC]i+l Fln~ IN WEST SIDE PRa~~CT NAME = SF'ALD ING AIJTO I?ESCfiII'7"xDN = KfVOX RC]AD ANA WESI" PARTIqN OF LO'T ~SUBAREA 1 =.248 ACRES SU~'iAREA 1 Fi'I.JltilOFF l:OEF'F I C I EIVT = .9 TCITAL A~EA - .248 ACRES COMPDSI TE F'UNC1FF CDEFF T C 1 ENT = .9 UVEFtLANT3 FLC1W VPtLUFS Gt = .15 L - 1 1 Cy N - . 016 5 _ . 01 CHANNE~. FLDW VALUES L - 0 TD _ 0 CCiMPUTEl3 VALUES DUFt ~ 5.00 110 3%. 18 Q to - fi 71 OA - C)* 00 &OWSTRI146 GpLCULATIQNS DATE = 11/17/95 DESIGNER = C SIh1P50N BHSIry WEST SID F'ROJ ECT NAME = SF'ALD I NG AUTO DESCF I PT I ON ~ hiVOX ROAD AhID WEST P0R7 I ON OF LU T t t Intensi ty Qdev. Vx n VoLit Staraqe (rnin. ) (sec. ) (in. /hr. ) (c.f.s. ) (cu. ft. ) (cLt. ft. ) tcu. ft. > 5.0 * -'300 18 • 71 285 90 195 10.0 600 2.24 .50 351 isu 171 15.0 900 1.77 .40 39~, ~?0 126 20.0 1200 1.45 .32 421 Z660 61 25.0 1500 1.21 .27 433 450 -17 3U. Q 180o 1.04 .2 3- 442 540 -98 35.0 21CIU .91 .20 447 b aG -183 40. G "'400 . 8~ . 18 458 720 -?b~ 45. 0 ~7~►U .74 .17 463 810 47 50.0 -3000 .68 .15 471 900 -429 55.0 3300 .64 .14 486 990 -504 60.0 3600 .61 .14 504 1080 -576 65.0 3900 .60 . 136 531 1 170 -639 70.0 4200 .58 . 1z 557 1260 -703 75.0 4500 .56 .12 570 1 Z50 -780 84. G 4800 .53 .12 580 1440 -e64 85.0 5100 .52 .11 598 1530 -9'--"2 90.0 5404 .50 .11 614 1620 -1 G06 95.0 5700 .49 .11 635 1710 -1 075 100.0 6004 .48 .11 654 18Go -1146 THE MAX I h1UM STQRAGE I S 195.329952 CU. FT. * The ti me of concentr-atx on i s S mi nutes. The Undevel oFerl f 1 aw out i s .3 c. f, s. TEIV YEAR STORM GHLC RAT I OIVAL FORI•IULA 'HYDFOLOGY DATE w- 11 / 17 /95, DES I GNER = C'S4 MFSOIU,' BA5 I N EAST 5 I GE PF:oJECT NArIE _ 'SPALD I NG AUTO DESCF IPT I OlV = KNO X ROAD,HIVD PAFh' I NG LOT SUBAF:Ea 1=.29 HCf:ES SUVAREA 1 ,FcUNl7FF CL7CFF I C I CIVT = .9 TOTAL AREA = .29 hCRES CQ1`IPOS I 7E f:U14OFF COEFf- I C I,,EPJT = .9 OVEF.LflhID F LOW,VALUES C t = .15 L - 1,20 N = .016 5 = .G1 CHANNE'L FLOW VaLUES TD = 0 ',G01"iPUTED VALUES DUR = -5, 40 Iio _ --po.18 010 = .Bs GlA = 0.00 BuWSTFING CALCULATIONS DATE = 11/17/95 DESIGMER = C StMPSON BASIN EAST 5ID PfiOJ ECT NAME _SPALD I IVG AUTO DESCR I PT I ON = KNOX ROAD HIVD P'ARI : i NG LOT t t Intensi ty Lldev. Vi n Vout 5tor-aqe (nin. ) (sec. ) (in. /hr. ) (c. f. s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 ~c 300 i e . eti• 334 Z* r> 0 0 54 10.0 640 "2.24 .58 410 600 -194 15.0 900 1.77 .46 467 900 --437 20.4 1240 1.45 .38 49: 1200 -747 U 1 SUG 1.21 .32 506 1500 -994 30.0 18a0 1.04 .27 516 1800 -1284 ~ 5.0 2100 .91 .24 523 2100 -1577 40.0 2400 . B2 .21 535 22400 -1865 45.0 2700 .74 .19 541 2700 -2159 50.0 3000 .68 .18 551 3000 -2449 55.0 3*3%'44 .64 .17 568 3300 -2732 60.0 3640 .61 .16 5e9 :600 -3011 65.0 3900 .60 .16 621 390U -~279 70.0 4200 .58 .15 651 4200 --3549 75.4 4500 .56 .14 667 4500 -3% 8: 3 3 80.0 4800 .53 .14 678 4BOCI -4122 85.0 51 t:)0 .52 . 13 699 51 G{r -4401 90.0 5440 .54 .1z; 718 5400 -4682 95.4 5700 .49 .1: 742 5700 -4958 100.0 6000 .48 . 1Z 764 6000 -~2%.'16 THE MAXIMUM STOkHGE IS 33.65196 CU. FT. * The t i me of concentrat i on i s5 mi nutes. The UnrJevel oped f 1 ow out i s 1 c. f. s. TElV YEAR 6TORM CHLC hATtONAL FORMULA HYDr,'OLOGY DATE, = 11 ! 17 / 95 DES I GNER =,C S I thPSON BAS'I'N b T07AL FROJECT NAME _ SFALDING AlJTO DESCR I FTkT C31V = k;NO X+ PARKI NG +ROOFS SUHAREA 1 _.415 ACRES SUB`AREA I kU(VOFF GOEFF I C I ENT = .9 TDTAL AREA = .415 A'CRES COMF'OS I TE RUNOFF= COEFF I C Y EhIY = .9 C1VERLAI4D FLOW VALUES Ct = .15 L = 1 'A. 0 N = .016 'S 41 CHRNNEL FLOW:VALUES L = `U TD = t0 COMFUTED VALUES DUR' = 5.00 I 1 Q` - ~ . 18 cfib, = 1. ,i 9' QA ~ 0.40 e BOWSTR I(VG CALCULAT I OiVS DATE = 11 / 17 / 95 DFS I GNER = C S i MPSOhI EsAS I N B TOTAL FROJECT NAME _SPALD I IVG AUTO DESCRI F'T I ON = k:NQX + FF1RK I IVG + ROOFS t t Intensity Qdev. V1n Vout 5torage (min. ) (sec. ) (in./hr. ) (c.f.s. ) (cu. ft. ) (cu. ft. ) (cu. ft. ) 5.0 * Z100 3. 18 1.19 477 3400 177 10.0 600 2.24 .84 587 600 -13 15.0 900 1.77 .66 662 900 -238 L^U• O 1200 1.45 • J4 705 1200 -495 25.0 1500 1.21 .45 724 1500 -776 30. Cl 1800 1.04 .39 7759 1800 -1 bb l 35.0 2100 .91 . ~4 74~ `1 C~~'~ -1 ~~2 40.0 2400 .82 .31 766 2400 -1634 45.0 2700 .74 .28 774 2700 -1926 50.0 3000 .68 .25 788 3000 -221 2 55.0 a300 .64 .24 81 3~00 -2487 60.0 :5600 .61 .23 843 3640 -2757 65.0 3900 .60 .22 089 ~-0904 --30 11 70.0 4200 .58 .22 932 4200 -3268 75.0 4500 .56 .21 954 4500 -3546 80. 0 4800 .53 .20 970 4800 -3H30 85.0 5100 .52 .19 1041 5100 -4099 90.0 5400 .50 .19 1027 5400 -4373 95.0 5700 .49 .18 1062 5700 -4638 100.0 6000 .48 .18 1094 6000 -4906 THE MAX IMUM STORAGE IS 177. 46746 CU. FT. % The time of concentrati on i s 5 mi nutes. The Undevel oped f 1 ow out x s 1 c. f. s. TEN YEAR STORM CALC ~ ,1,..► Z ~ ~ ~ . .r_ • ~ ~ • r ~ t . ' i~' ~ v~ ~r ~~oms shee► 651 't.,,~•° ~ ~ ~ i f..~, ar ~ . . ~ ~ ~ . 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Y ~ ~ (7a ~ ~ ~F f L \ . • ~ fi p~ .s i Y . ' ` ' " t ~ ~ h ' ~ ~ 4.± + ~ '+S . ~ +t r+^ / • ' ' e ~ Vi ~ ~ ~ ~ . ~ ~ . , .~1 . ; . 'l-~ ` G i ~ ~ ~ ' ' ~ ~ ~ a ~ . , ~ ~ m C , ~ , 4 . , . r ~ ~ , ~ t, 1 ~ , . i F • ~ r = 4 . 1,~ _ ~ . _ ~ ~ . h ~ ' ~ ,~~'~~~;`~r ~ ' . s ~ • ~~'t _ _~'lf'~e ~ ~ 'i t►,i . / ~ ~ ~ ~ ~L~a ~ ~ v . • 74 §OIL fiUItYEY '1'AV1.E G-f3i tej tlEoci c,pliwmx coj auild uud thci L'lu~~t~~utt~u DA. ptli 11tup Soil liuina rJubeupl►uu uf swl uud.At,i tru,u Byinb01 aurfuL4 U~U ~ t.~►tun OsC Lnlbcwn stoUy wlr loaw, 0 to 30 peraeut Sundur to 1)cugdou si16 loum, 0 to 30 pLecs.ut ~ alapes slopw, eruljb W&A We auifucc: laycr is atouy. , Ds0 llrugoon stony silt loaw, 30 to 55 pc:►- j ceut slopcs 1 Ov0 Dragoon very rocky coniplex, 20 to 55 nruguou purti siuiaur to 1)rtgouu sllt louul, U La lxsr c •tt aluptz 30 i~crccut sluli~, w►c;~.pr tliut ~!►.l,tl~ tu ue~t- ~ rouk rawgua [ruun lU to =U uauliw ltucl. uut- , c.rup jumlud4i1 uL bt►1t compfu.. FkB U-lotbn isilc loAw, U tro »0 puceut Aopw. 11teJ►uiu-1.wx turcd, % c:l!•tlrained noit ioruitd frotu U tu''t ailc lu.,u,.__________ sluctul tUl cuutc►iuTl►K u lurge uuiuuuL ut vo!- ILuuIU ualt iu theo Aurfuc.L fnyOU, iulJLrluui by 24 to 44 IiCA%klly► luaW...... gr:►ve1 t►t depth o( .iU to tfU iuchea, uicui~sui d 1 tu 53 i..ry bra% 4.113 aAua~ twdulmug, uturuiucliku tc,pngrupliy tuuiu ' SS to OU Vru% a E1C Blolk4 vury stotiy iii141ouiu, @ Cu 30 per- Biiuliuc to L'lwkusilc luuui, U cn ZU pemet►t slo>>es, cui►t Slopes "uuI,t thu6 U►cy ctru very swity throu0Out. EID Bloll.u vory utouy yUt loaca, 34 to 53 ; lu.rcaii4 3iolua. ~ Em LInduut sllt luuun. I1l+sdiuta-tu►6used, somewhut lwarly druiitecl, U to 341 bilc luulu_ a11.u1titu soil ioriueul tu ttlluvittin (rutii culLur- c.oun wlt, vuluwuu uah, il11CI lli1ttIJ1111u; duptlt ::U tu 41 1't ry ri►,. *.,uay ~ /u wutc.r tu1,lL llu4AUu<<-a fwui imar tftu SurYui.e luiuu, to uiwtitt a Iol.t 41 to OU buikd) L1d) luru,. FaB Frceianu silt louIu, S to 20 pt.rc.w►t Yi:ry tlt:ep, suutlerialily ua11 clruu►uJ uptuttd buils U to 32 sIlL loalu_ slo1AS witli uiuauu~a~~~ou~ ua :surtc►ut. la) cr uuJ u«clo- Fa,83 1•'rUL1uuu sl1t lnuur, 5 to 20 puccnt, ttw pr iuutlurutely liuc te%tttrudhuWoll, fw «►td _'2 tU Silty CluY 1041u------ xlupua, severe{y L-eadi d (wiu sUb ou ialliug to lully uNfaucls FaC3 reuciniun adL lo.un, 20 to 80 pc:rcur►t ' ti1nl3w, isLVUmIy erodca. Fm T'ret3h wutcc m1mh. Slic►llo►%, s+vuu~~jy, iutLruulb6ent iwucl., uurl ~ frIclges urou~ul lulces llult bMU z► lluLluJili~ig , wuter t.►bW. His6iuLemug eii►ui 1s uat gIvtei, „ss lcu►d tyl,c Is wu vuriuulN. ~ GaC3 Gai lIL-1d sUGy ulay ln,uni, 0 be SUpurcw►L lrery QLvtip, w4ll-clruuts.d sod dewloliea in lousi 0 to fi Silty cU) luuu_____ slopea, 8eYC1'i.l'y L'rOLIL'Cj. uii ial Llu~ iLsiJ hnut~ un lho iuUuig to ltillp a to 23 'Iltp Cl.►) ~ , upliur(~a iii LIIL PilIUUal, a1J1I Sl1l.U 23 to 1►U ZIlt) clA) ~G$A Q,Lriisou gntvoUy luuin, U to 5 pcrceut Gruvelly, Illt.lliUtll-lC.tiLurc:cl, solu'-►vlu►t exLes- 0 to lb Cr.~vtl1y lu ►nl slo es mivW y druiiieJ anila tuiu,Lcl ju 6iuvWy ghtr+ul 13 to la 1'i-ry gra-.4.11y GS8 Uarizuu gruvc:Uy loatu, 5 to 20 Nareeut ou6tvauslt auaCr►ul fruut u%uric.ty ni emid, 44 cu Uu Smid, grar.l, ..uJ lStwuuts p►ruic iuc.k, UIl LC.i41IY il.YGl W t!!Od- cu}.bl~cc,u~s. urul.dy HluJ,iub t&n►►i.iz, ai-litu tu wixIUre ut tuuul, brrkvt-1, nnd coub1CbWfiL3 IY1t►b4; frour w b tew6. ~ Gm8 Ourriaou vwy giuvelly {ouin, U to 8 Simllar to Curr6ou gn►velly 1011111, LxIt.IjL tlJUt U ta 15 11,Lry gru%cily Iwu,__ p4ruwst slutu.y tltu buifutcs luyur irt vety gravelly. 15 to 44 VLry bruvOly Iu»lu_.i 44 to tiU 3ind, gcaws.4, an(l ~ iuULlwwLes. t 6n8 43c►rrison vary aEony 2oum, 0 l0 20 Suuilur to CurrixioiA gru% uUy luusu, cxcapt tlutL ~ percant tlapee. lhu aiur(uu. ktyur w v#.ry 3tyu). ~ GpA Qlcnrade tiilt Icaui, 0 to 5 parcflutrilupos. Pary cleQp, sucaiuun-watuced, we l-drt►tioud saili 0 tu Silt Icwut.......... Gp8 Ctea►roan bIlt inoni, 6 to20 Neccseat nlupra furutucl fruut aw41 igumoux gtac,iul lill, iurluLu j GpC Clcju uaio sllb los►tu, 20 to 30 pwuuut luyur I111Iluw►caJ Uy luiM uticl vuluuI►(L "k, olk eldys«. geutly rol1~~ii; to aiL-Llj ul,laucls ► GpD Cilowurorw dilt l0utn, 30 bo SS pGrc:uitt j nlupts Simpson Engtneers, lnc Froject M[ax Spaidmg N 909 Argonne Road 926• 1322 Job No 13140 Spnkane, WA 99212 Disc No Quatropro sbrcet design File Name Knax Arenue TYAICAL SECTION DATA Road«ay half width ENTER--> 20 Road Nanie ENTER--> lnor Left or lbght ENTER•-> Right Curb Type TYPE B COUNTY Stahon Interval ENTER--> ZS MiNlhttJN MfAXPAUM Curb EL Curb EL Edge Par-e CENf ER % SLOPE EDGE DIST % SLOPE EDGE DIST FRC (-jl S% (-2% to Gutta LINE CENTER PAVEMEN C/L T'0 CIL TO PAVEIVIl EDGE PV from E/P + FR4M EfP SELECT• Design Top Curb STATION ELEVATIOr LIlYE ELEVATIO E/P EDGE PAN % SLOPf TO CURB CURB HG CURB HG' ED ELEV % GRADI % Gtade 190000 195295 1452 82 1210 -107 0 00 7 90 195292 195309 1953 08 •195 195000 195285 -0 20 195274 12 00 •0 92 •0lb 8 00 1952 83 195300 1953 00 •192 -0 !b I 199570 1953 00 0 33 1952 88 1210 -0 99 031 7 90 195299 195314 1952 94 -5 08 -013 ~i 3~"~` ~~ro~ @GT 200000 195305 040 1951 88 1210 •1 40 0 28 7 90 1952.98 195314 1953 09 •273 349 202500 1953 06 004 195294 1210 •099 024 7 90 1953 04 1953 20 195309 -3 61 0 00 205000 1953 08 0 08 195296 lZ 10 -0 99 0 08 7 90 1953 06 195322 1953 22 -195 052 2075 00 1953 07 -0 04 195293 1210 •1 lb -412 190 1953 03 195319 1953 07 •3 83 •06U 210000 1953 OS -008 1952 83 1210 -182 -0 40 7 90 195293 1953 09 195293 -4 45 -0 S6 2125 00 195305 0 00 1952 88 1.2 20 -1.39 020 7 80 195298 1953 t4 1953 06 -3 25 052 215000 195305 0,00 1952 94 1200 •0 92 014 8 00 1953 03 1953 20 1953 20 -1,92 0 56 ,175 04 195296 -0 36 195293 l2 20 •0 2S -0 04 7 80 1953 03 195319 1953 03 52 •4 68 2200 00 1953 10 0 36 195297 1220 •l 07 016 780 1953 07 1953 23 195315 -3 25 048 222000 1953 06 -0 20 1952.97 1210 -0 74 0 00 7 80 1953 07 1953 23 1953 25 -1.67 050 222500 195305 -020 195295 12 ZO •0 82 -0 08 7 80 195305 1953,21 195321 -l 98 -080 225000 195300 -0 20 1952 84 12 44 -l 33 -0 44 8 00 195293 195310 195304 -2 8S -068 2275 00 195298 -0 08 1952 77 12 00 -175 -0 28 8 00 1952.86 195303 1952 86 454 •0 72 228700 1952 96 -0 l 7 1952 74 1210 -1.82 -025 7 90 1952 84 1953 00 1952 78 •5 39 -067 230000 195294 -016 1952 75 12 lU -1 S7 •008 7 90 195285 195301 1952 85 445 -004 2323 40 195300 024 195182 12 20 -148 010 7 84 1952 92 195308 1952 97 •3 73 049 ,49 235000 195305 0 20 1952 89 1200 - 1.33 0 28 8 00 1952 98 1953 15 1953 09 •2 85 048 Z 3+ 237500 195305 010 195297 1150 -0 70 0 32 850 195304 195322 1953 22 -193 0 52 240000 1953 05 000 195301 1180 •034 016 8 20 1953 09 1953 26 1953 09 455 •0 5Z