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MISSION E 12000 HARDEE'S ~ t e ~ G~ ENGINEER'S REVIEW SHEET BLDG. PERMIT # -or -FILE# B93181-9-3 ~Y ~ Related File # ( ) Date to Review Time # Date to AA & DR Tinle Date Received 12-16-93 Project Name HARDEE'S No. Lots No.Acres Section - Township - Range SITE ADDRESS MISSION E 12000/W SR-27 PARCEL # 16541- Applicant's Name MARK HAUGFN-WYATT-JAYKIM Phone # 328-5139 Address 1801 W BROADWAY #110-SPOKANE WA 99201 'Work # Date Conditions mailed Contact person Phone # I'LOOD ZONE d NO W S SCHOOL Engineer / Surveyor's / Architect's Name Planning Contact Person Phone # 456-2205 , Date Subnutted Description Initials AGREEMENT 1'O PAY FEES OR PRIORITY FEE COMPLE'1 ED & COPY TO ACCOUNTING FINAL PLAT FEES COMYLETED & COPY TO ACCOUNTING NOTICE TO PUBLIC # 1 3 4 6 COMPi ETED - OR NEEDS TO BE SIGNEll DESIGN DEVIATION SUBMITTED AI.7'ERATION TO PLAT - BLOCKS & LOTS HEARING EXAM _APPROVEU _DENIED-_APPFAI.,ED I3HC / PROJECI' _Af'YROVED _DEN[ED 'I I" 11~ ~ PK-tr1 A ~ propAl ~ ~ ~ ` C..''C" k\p\t\review.for W~utt - im • December 14, 1993 Mr. Bill Hemmings Spokane County Engineers W. 1026 Broadway Avenue Spokane, Washington 99260-0170 RE: Drainage Plan for Hardee's Site Pines Road and Mission Road Dear Mr. Hemmings: Please f ind attached to this cover letter for your review and approval, the drainage plan and calculations for the Hardee's site at Pines Road and Mission Road. In accordance with the Planning Department report dated 12/17/92, this project lies within the ASA Overlay zone and is subject to 1208' requirements. To assure that these requirements are met, a drainage plan is required. In accordance with the Guidelines for Stormwater Manaaement, the rational method was used to determine the peak discharges and runoff volumes for the various basins. This method is considered adequate for basins less than 10 acres in size. The soil in the area is classified as GgA (Garrison) based on the Soil Survev of Spokane Countv, Washinaton. The GgA soil is excessively drained and has moderately rapid permeability. Based on the Spokane County Guidelines for Stormwater Manaqement, this soil type allows the use of the County standard concrete drywells, either type "A" or "B". The project is divided into four drainage basins defined by the proposed grading plan. A map which defines these basins is included. Drywells were designed using the guidelines identified in addendum #2 - Modif ied Rational Method Hvdroctraphs. The peak flows for the four basins will be disposed of in O O 101 Thaln Road W. 1801 Broadway Lewiston. Idaho 83501 . Suite 1 10 (208) 746-2661 Spokane. WA 99201 Fax: (208) 746-6825 (509) 328-5139 . ENG11`iEER8 • 8(1RVEYORS ~ PLAI`IIYERS • COPISTR(ICTION MAfYAGERS Mr. Bill Hemmings December 14, 1993 Page 2 three type "A" drywells. These drywells are utilized in combination with the 1208' basins to adequately dispose of the stormwater runoff. If you have any questions or comments, please contact me at (208) 746-2661. Sincerely, WYATT-JAYKIM ENGINEERS , Mark Haugen, P.E. MH/rrs Enclosures File No. 2353-MH.HEM . Adft Washing#on State Distric! 6 •Arf Department of Transportation 27-1= Norih Niayiair Street SpoKane. WA 99207-2090 Duane Berentson Secretary of Transportation (SCQ 456-3000 , Fax (509) 456-3039 February 16, 1994 Mr. Steve Davenport Spokane County Planning Dept. . W. 1026 Broadway Ave. Spokane, WA 99260-0240 Re: SR-27 Hardy's Restaurant Dear Mr. Davenport: After reviewing the above development the Washington State Department of Transportation (WSDOT) has the following comments concerning this proposal: 1. As you may be aware WSDOT is very concerned about the operation of the Pines Road ' (SR-27)/I-90 Interchange. Our concern at this interchange stems from recent traffic growth in this area, and the limited capacity available at - this interchange to accommodate it. In addition to this, tAe intersection of Pines and Mission, which is located adjacent to this proposed development has been experiencing an unusually high number of intersection accidents. Because of these concerns and the substantial trip generation associafied with fast food restaurants WSDOT in conjunction with Spokane County Engineers requires that the developer prepare a"traffic Study for this project. This traffic study will need to address the issues outlined in the attached traffic study requirements form. In particular this traffic study will need to address the projects impacts to the following intersections: • Pines and Mission • Pines and the North I-90 Ramp Ternunals • Pines and the South I-90 Ramp Terminals 2. This traffic analysis will need to be included in the SEPA documentation prepared for this rezone to adequately address Section 14 (Transportation) of the SEPA checklist. This traffic analysis must be approved by both WSDOT and Spokane County Engineer's before a final SEPA determination is reached. 3. Due to the fact that the traffic impacts this development will potentially create have not yet been analyzed, WSDOT reserves the right to comment further on this development after reviewing the traffic study. Mr. Davenport February 16, 1994 Page 2 4. Access to Pines Road from this development must be approved by WSDOT. WSDOT requires that a valid road approach be obtained in order to have legal access to Pines Road. . 5. Because of the above issues WSDOT requests that a sign off block be provided to WSDOT on the building permit release form. . If you should have any questions regarding the above subject please feel free to contact Leonard Cash in our District Planning Office at 456-3996. Sincerely, J. C. LENZI District Administrator . By: L ONARD CASH, PE District Planning Engineer JCL LCC/gjf • attachment: cc: Bob Turner, Spokane County Engineers . . . ~ I, TRAFFIC STUDY REQUIREMENTS , 1. Contents of the traffic study A- Site Map (illustrating the complete circulation system) . B- Vicinity Map(s) (illustrating traffic distribution) C - Existing Transportation Conditions 1- Existing Average Daily Traffic 2- Exisring AM & PM Peak Hour Level of Service 3- Existuig AM & PM Peak Hour Turning Movements D- Projected Transportation Conditions With This Development. . ` 1- Projected Average Daily Traffic 2- Projected AM & PM Peak Hour Level of Service 3- Projected AM & PM Peak Hour Turning Movements Note: This analysis should include traffic to be generated by other developments in the same vicinity that have already been approved but not yet built. E - Recommended Mitigating Measures 1- Mitigating Measures sufficient to ma.intain existing Level of . Service 2- If the existing Level of Service can not be maintained a justification should be included Note: The ITE (Institute of Transportation Engineers) Trip Generation Manual (Sth Edition) should be used as a bases to . -compute trip generation rates of the proposed developments. H. That the apnlica.nt agree to fund and con.sti-uct the necessary . mitigating measures as outlined in the above traffic study. These mitigati.ng measures must be approved by both WSDOT and Spokane County Engineers. III. Due to the trip generation potenrial, any further development other than what is proposed will require further review by WSDOT to assure additional trips are safely accommodated. ~ ~ A ~ dv• ~ Sp►oKAN • . ` y~ , .•t} ; ~ - O A OP ~ ~ . ~d f j0 t 100 g \J ' ~o• 1° ~O / ~ ~ I ~ _ L4 ~ ~ ~O • t w 5 I 2 7 1 t 2 T ~ •o ~ ~ ; i4 ¢ , ,5 16 , 1 ~ C, 12 ~ ,lP - 10 ,o~ ~a, Or . 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Z , . 2 1 N 1 ~1 a. ,0 _ ~ - WV)ctt if11 engireeers v L, TO 1~~ T_Ld l-- r'?,fDATE y PROJECT NAME 4e, 4C4~ /Ie? PROJECT NUMBER 5~-)42P) GENTLEMEN: WE ARE SENDING YOU ❑ ATTACHED ❑ UNDER SEPARATE COVER ViA THE FOLLAWING ITEMS: ❑ SHOP DRAWINGS ❑ PRINTS ❑ PLANS ❑ SAMPLES ❑ SPECIFICATIONS ❑ COPY OF LETTER ❑ CHANGE ORDER ❑ COPIES DATE OR N0. OESCRIPTION *1 *2 *3 , . / r' - lvl , S ~ ' ~ *1- NO EXCEPTIONS NOTED *2-REVISE a RESUBMIT *3-REJECTED THESE ARE TRANSMITTEO AS CHECKED: ~ "g FOR YOUR USE ❑ RETURNED FOR CORRECTIONS ❑ SUBMIT COPIES FOR OISTRIBUTION ❑ AS REQUESTED ❑ RESUBMIT COPIES FOR APPROVAL ❑ RETURN CORRECTED PRINTS ❑ FOR REVIEW A COMMENT ❑ ❑ ❑ FOR 81DS DUF 19 ❑ REMARKS: IF ENCLOSURES ARE NOT AS NOTED, KINDLY NOTIFY US AT ONCE. COPIES TO SIGN 0: W. 1801 BROADWAY, SUITE 110 SPOKANE, WA 99201 TELEPHONE (509) 328-5139 ~ ( ENGINEERS • SURVEYORS • PLANNERS • CONSTRUCTION MANAGERS ) Printcren r SPOKANE HARDEE'S AT MISSION ROAD AND PINES ROAD STORM DRAINAGE CALCULATIONS DECEMBER 14,1993 WYATT-JAYKIM ENGINEERS 101 THAIN ROAD LEWISTON, ID 83501 (208) 746-2661 AAAA" oF wAS(i~ 4 . ~ 18633 . • , + O!VAL~~`f;i• `+v~•rtg, 4W~v'~°~.✓1 «j CJ ~ [XPiRES 9J29 /9.5 ~ MlSSION ROAD ~ . W yyZ ,.9`) 0 - p`~11 ~ 4 L`~`~t `5y ; , . i i ~35 , F6 ig r-~~ y~ 593 , /,,..,.y..n.Y..r•~t!~i•......~~'i_r' r.I/f'.i•.;...,.e. .~..•../.'i.7•:'.!;:~.f;.•,.ry;i:%i/•i:•{.-~•..r.i:r,l::/.✓: i~Y',i•x:!.'i.I,i•i: .i. - •~;~1\`.y '~9~2' -'i~•:•' •i:• •a'~i':~'• •i~' :i:rcl:1~:'•g~.... : , . r~ ~ i . / :tl:~t; . : ~ . . .r. ~ Z ` ~ ' .k •f ~ , •.[1 .i • - ~D 2 . ' . - Y . . 'y ; ~ . •'7 . 1^' ~ ~ ~ . , t. ~ ~ I ' l : , . ~ . vt ,1 1 .R L •f i~•t. . - • t' i' ~ff ' ! X • •l'~ ~ C ~ . jC► „ . r: ' . . . • . ..i • f~ . . . ~ . 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' ' : • ' I r~pt ~'i./~ : :i. ;:'i: r :'n.,i°'l',1 . . , . ~~~..C.;:~ ~ - • 10b;4- T 106-10 ~ Jos PARDEES SHEET NO ~ OF 12- WYATT-JAYKIM ENGINEERS LEWISTON, IDAHO 83501 CALCULATEDBY MG~ DATF 1z1~3193 , . SPOKANE, WASHINGTON 99201 CHECKEDBY DATF SCALE : - . , • . ~ . . , ~~-51~. ~ , . ~ . . : . . . . . . . . . . ~ . _ . . I D ?`A~ . ~ ~ ~c; . 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( . 4..~.~ . , . . . . . . - . < _ • ; _ . _ . . - • • • ~ - - ~ ~ ; =~.CJ~"2:~'•~'S~~~I:S-wts: 251 (Pecaci/naeks/~.hc Grom h2357i47i TDOtJ!I°HQ1:iO.:fFfEt•5047:3•639C ~ TirO~eizt: Hi1FCl~~ Basltt: # 1 Desluner: kiaugart NW. 12113J93 ANMEN., l'ime InGrement (mln) s R206" PondWidtit {#t} Tlcne of Conc. (rnlri) 5 11208" Ppnd Lengfh (t#) 35 Int. (D TC (injhf) 3.18 "208" Pond Aroa (sq. lt.) 525 Outflow (cis) 0.33 "208° Pond Perime#er (ft) 100 f]e3iqn 4'ear r'low 10 "20$" Parrd Voiuma (eu. ft_) 300 Area (acres) 0.2 Imparvious Area (sq {t) 15723 C' Factor 0-9 ~Nvr~l Case G'*Atea 0,1$ ~ Time Time ~t~r~s C~ ~7eY. Vot. In Vol. Ou~ Starage (min) (8vc) (rnfhr} (O{~,) (cU.ft.) i (cu.fi) _ TO s 300 3.18 ~ 0,5 7"230 - 99 131 s ~ 300 ~ 3, { 8 6.5-7 230 ~ go 131 - io I 600 ~ 2,24 0.40 J psa 193 is 900 ~ 1.77 O.32 319 297 ~ ~a ~ ~ ~a~ 1 ~~s ~ 0,26 340 5s 1500 7.21 ~ 0,22 ~ $aa ~ 495 ~ -146 30 ~ 18oo ~ 1 .04 356 ~ 594 ~ -238 35 2100 0.91 ~ 0.16 361 I 693 ~ -332 a~ ~ 24C)o ~ DZ2 0.15 369.1 792 ~ .423- 45 2700 ~ 0.74 0.iS 373 ~ $91 I •516 50 3000 o.ss ~ 0.12 ' 380 ~ '990 ~ -61 0 65 3$ aO 0.64 1 0.12 3,22 ~ 1089 ~ - -697 60 0.51 0,11 406 ~ lis$ I -752 65 3goa N 0.60 ~ 0,7 fi~ 432 I , 1287 ~ -656 70 J 420~ 0.s8 ~ - 0.10 ~ 449 ~ 1,386 ~ -937 , 75 ! 4500 D.50 I 0,io 464 1485 I .1402, 80 1 4800 f 0.53 I 0.10 I 468 I 1584 ~ -111s, - ss ~ S~ ~o r 0.52 -0,6s 1 487 f . 168,3 ~ -1 1 96J so 5400 ! 0.50 I 0.09 495 ~ 1732 ~ -1287 - 95 I 5700 ( 0.49 I 0.00 512 1681 ~ -1_369 ~ loo # eooa ~ 0.48 0,09 527 I 1 ow ~ -1 453 0246" dralrrac~e Aonri Caiculations RequEred "208° 5tar~~~ 11~1ume =lmperviaus Araa x .5"f121n1ft 260 cu. tt. "208" 5#OfAgs PrG`VkdeC'i SOO cU. tt. Drywefl Reauiremomts - 10 vr storm Maxirrtium Stvrage Requlred by SowstrRng 131 CU.t#. l+lumber iand Type o# prywells RequIrec# T~~IO "A. I Type "Bn 0 Joe 1S SHEET NO. ; OF 12- WYATT-JAYKIM ENGINEERS LEWISTON, IDAHO 83501 CALCUlATEOBY M rl4 DATE I7-li3 193 SPOKANE, WASHINGTON 99201 CHECKED BY OATE SCALE . . S . , ZOS .SL'1/ L&- G~S/NG _ ~ S~vES~OPES /►'~,/1~ ~ ~~~~~Tf~ . x105o- +n~~ . ~ DR.`/W ~ LL .A-T_ 1c'4~ : . . 1 , i_. _ ` M ' • " ~ . ~ . ~ . . . . ~ . . . ; - - - - . . . . . , . _ . . . . . ~ - ~ - - , . . . . . . . . . - _ . . - . . ~ ~ . . . . . . . , . . ~ . . _ _ . . . , . . . . . ..C,~ , . . . t . ~ ; ~ . E'~ 35 - 7 . /°5~- ~ ~ ~ . . . . . _ _ ; . . - . ~ . . _ _ , .1.. , . . . . . . . . _ , ~ . . ~ . ~ ~ ; . ~ . ~4-r~ lo¢g5 = ./39~_. -s.9: . . . . . - . . ~ I . . i . , ~ : . - . ~ . ~ ; : , . . . . _ 7701-1-340 tG•5).- .5Z8 Gu. . . . . ; -10.4 ~ . ~ . . . ~ . ~ ~ : ~ , ~ . - . . , . ~ . _ ; . . . . . - ~ . . _ l_._ e ~ . . _ . . _ . . . . r . . , . . : . . ~ . . . . p- c~r - Z"D Gu, r J. . ~ . . _ , . . . . . . - . . . . . ~ ; . I.' : ; = : : . . . i . ( : . : ~ ---I . . . : _ ' : . : . . : . . . . ( f - , . _ _ . ~ . _I ; . . . . . . ; _ . . . . . . . . . . . . . . . . . ~~4 ~ - - . . . ~ . . . . . . . . . . . . . . . . i _ . . . . . . . ; . ; . . , ~ . . ~ . . _ . . . . . . - . : _ . . . . . . . . _ . , . , , , . . . ; . ; . . , . . . . . zo' . , . . - - - . . . . . . i , I I . . . . . _ _ . . . . \ I A. - -7~ . . . / ~ ~ I 1- - - ~ ,y 1 1 hl ~ y~✓ ==.3~U:' 2C-4•' :Smqle Siets 25-1 1°Oox1; /ACii-I'/c ine.6imon Atas! Cta7; is 0'O:t PHOPr: TOl°. T'ir t: 1-600.2,15-E3,1D • Jaa I ` ~r SHEET NO 4" . OF WYA~`J~1YK1M EN~#INEEfS~7 CALOULATEd]gY ~CH DRTE f~IJ3~3 LEYYIJI V1Y, ID►4HO $3501 r SPOKANE, 1AIASH1141CTDN 99201 CWECKED 9Y DkTe SGRLE S . . . , , , - . - - - - ' - • , ~ , , _ ' , , - , . - . , - . - , : - • - . - - - - _ . . , , . - . - - ~ - - ' - - ~ - - ~ - _ - . ' _ . . . . ..i a _ _ _ ' _ . t. . . _ . . . ~ . . . . .__.a _ _ ' - ~ _ . . . ~~,7•~,.~: t'A 94o.. . _~~r i>_-0 --F----- ~ . - , . : . . . - - . ....,~a - - - - . . . - - -t - . , , s,~,.,-~ - - - - - - - _ . . , ...~:.V i!~J~__L.~-~~'~--~- . • ~ / ~J { l , _ _ _ _ _ _ . _ _ _ _ ~~Lr~ai•~.~nr~~~i T+-,}i..i~..~!,. ' . . . . . n d . ' _ 1'._ . _ .i . _ . • J _ ~ {f ~JY , - - . ~ ~ 7~ - - - ~ , ; . _ . .s . /T..~ . o-.......... , : s ~ - ~ - ' ' . - - . ' • , : j, ~ ~ ' , ' • • ' . ' ' ~ ~ ' ' _ • ' ~ . • F - : ~ . ' ' . ..~,y..... _ _ • _ _ f . - - . . . ' • • ' ' ' _ , - . , s . - . - • . ' , • ' . . ~ ~ , ' " _ ' „ ~,.4* . . . ~ _ _ _ _ - _ _ - . ~ - - - . • ~ . ~~DD:~ ~ * c~~~--~~ `r'_ ,r- 4. Z_ A.1 . . . , ~ . . , - - ~ ~ - ' - • F ' ' . . ' i - ~ ~ R. ~ . .......e.,. . . . " ~ . _ ' _ _ _ _ _ a ' ' V ~ • ' ' ' ' ' ' - • ~ ~ ' . . - ' . , ' • _ ' ' " " . . , . . . . . . ' " " ' " ~ , _ . " " " _ " ' . . _ ~ ~ : • , • - - ' ' _ ' ' - ' , ~ , • • , . ; . . . _ ~ - . ' • _ .T.~C. . 1A) , . . , . , . , . _ ~ . ~ ~ . . . . - - ~ ~ - - ~ h. - - • - - - . , . . , - - ~ - - ' ' , ~ - ' ~ - • ' ~ - 5 ~ ~ a 79 . - 14 ? ;:~p0 - - ' - - ~ - , . _ o.. „ - ~ - - - - , , _ - - • - - - - . - , • - - . , _ . , _ ~ . - - - - - _ - - . ' _ : ; , _ ~ : ~ - ; • - - : _ ~ ~ - - _ ~ : ~ , : • ; _ ~ : _ . ; : • , - ~ - t • ~ . , - - - - --s--• - . , „ . - - . - - - - , . ,......,.ry.. . _ _ , . _ , - - : • - . . . . . . . . . „ , . , . . ~ - - , . , , , ,t. . . . , . , , =~~'~a4;,i ?7-•i f5~'4~ 5~~~~ai 275-~ fPad~G~ }~t+~.!~ Int G:ann hlass bi476 io Oroer P: Dfl: cO1L F;EE t M125-6380 S~~ z ProJect: Hardoes 8aaln: #2 DASigner: Haugan Date: 12J13i93 Time Incrament (min) 6 "208" Poncf Width (ft) 15 Time oi Gonc. (min) 5 "208" Pond Length (ft) s0 int. @ TC (in/hr) 3.18 "208" Pond Area (sq, n,) 750 Outflow (cfs) 0.33 "208" Pond Perimeter (ft) 130 Design Year Flow 10 "208" Pond Volume (cu. ft.) 423.75 Area (acres) 4.32 (mpervlous Area (sq ft) 9460 C' Factor 0.9 Worst Cese C'*Area 0.288 Time Time ~ Intens w~ Q DeV. Vol. !n Vol. Out Storage (min) (sec) (inlhr) (cfs) (cu,n.) (cu.tt) (cu,ft) Tc I I 5~ 300 3.18 O~ 368 99 269 ~ 5 ~ 300 ~ 3,18 ~ 0.92 368 ~ 99 ~ 269 10 ~ 600 ~ 2.24 ~ 0.65 453 ~ 108 ) 255 15 $40 ~ 1.77 ~ 0,51 ( 511, 287 ~ 214 20 1240 ~ 1.45 • 0.42 ~ 544 ~ 396 ~ 148 25 ~ 5500 { 1.21 0.35 ~ 558 ~ 495 ~ 63 30 ~ 1800 ~ 1,04 ~ 0.30 ~ 570 594 ~ •24 . 35 ~ 2100 ~ 0.91 ~ 0.26 ! 577 893 ~ -116 40 ~ 2400 + 4.82 ~ 0.24 ~ 591 ~ 792 ~ -201 45 ~ 2700 ( 0.74 ~ 0.21 ~ 597 ~ 891 ~ •294 ~ 50 ~ 3000 ~ 0.68 0.20 ~ 607 ~ 990 ~ •383 55 ~ 3300 ( 0.64 ( 0,18 ~ 827 ~ 1089 ~ -462 60 ~ 3600 ~ 0.81 ~ 0.18 ~ 650 ~ 1188 ~ -538 65 ~ 3900 ~ 0.60 ~ 0.17 ~ 692 ~ 1287 ~ •595 70 ~ 4200 ~ 0.58 ~ 0,17 ~ 719 ~ 1386 ~ •667 75 ~ 4500 ~ 0.58 ~ 0.16 ~ 742 N 1485 ( -743 80 ~ 4800 ~ 4.53 ~ 4.15 ~ 748 ~ 1584 { -836 8-0 ~ 5i0o ! 0.52 0.15 ( 779 ~ 1683 ~ •904 90 ~ o400 ~ 0.50 0.14 f 782 ! 1782 ~ •990 ss I 5700 I 0.49 I 0.14 ~ 819 ~ 1881 I -1062 100 ~ 6000 ) 0.48 ~ 0.14 ~ 844 ~ 1980 -1136 "208" Drafnaqe Pond Ca4cutaticns Requlred "2081, Storage Volume =lmpervlcus Area x.5°li2inlft 394 ou. ft. "208" Storage Providod 423.75 cu. ft. Dryweil Requirements - 10 yr storm Maximum Storags Required by Bowstring 269 Cu.ft. Number and 7yps of OrywQlls Requlred TypO "A" 1 Type „B" 0 • Joe ~A R ~EE-5 SHEET NO ~ OF 12-- W YATT-J AY K I M E N G I N E E R S M G F~- DATE ~ ZI ► 3.~9..3 LEWISTON, IDAHO 83501 CALCULATEDBY SPOKANE, WASHINGTON 99201 CHECKEDBY DATF sc,a' F . . . -21 . . . . . . . . , . . . . . . . . . - . > , . : . . . . . . , . -ZD. S.... -5. „WA LC: . C/ s. //'✓'4 . . . . . . ~ . . . .fP/- ,4 c F. . 99~ ~vr~e y.: 30': . . ~ JL. ~ ' ~ . . , . : _ . . l~~e Y wF<<.. , . ~ T:.., 9.9...~~ : . . . . . . : . . : . . . . . . . ~ FL ooZ. . ~ LA~GE~SF. . 1.... ..,~.~.~v . . . . _ . . . - - - - . _ . ~ ~ . . . 99 ? . . : . _ A-~. : 9.8' . = 197 . . c`.L, I _ . . , . ~ . _ . . . . : . . . ; . . • 14_12,EA.. = A. r. ~ , . : , - . . 7.1j01 - - ! ~ . . . ~ YD LUM~F. ► - _ ~ . _ . . , . . , . . . . . . . . . . . ~ . . . . .i5 - 275 ~06^ rc-#r . . ~co Z : . . . . .N_. _ ~45iAJ ~J A M . . . . - - . . _ . : . ~c LL ~ ~ . Ct_~~~!~ , , ✓/0, U~~ ~ :c` . : - - - - ~ - ' ~ ~ ~ 5..,TA 4 _ . . ~ ~ ' . , : .~,3,~ . _ . _ . . . . : _ : . . . . . _ ~ . ~~2_~ ~ y.n.~ v.~~o3:? . ' ; S,/"IA LL ES T„ lFG L ~ , . . : . ~ . : C'A : ,47". /O4- . .SCy> ! . . : , . ~ . - - . . . . . . . _ .~p . . . - - . , . . . . . • . 2FA. A- r- .,4=7 ~ . CLE~ ~ " s G , . . ..1 ~0/3 ~IO L V M ~ 7 1 . . . 1 .I . . . . . . . - - ~ . - vE- 9 A G ~ zl.,F4,~ '✓o L V H 3~ , - - . ~ . . . . . . . ~oT~ ~ Vo~ ~~.1-L ~.w- - LL~~ . ~ 3;~ • . _ e _ ~ . z ► D A r. ~-4 2/a 164 ~ T" ~eo-<-[L.5 0 5cvi"~"~ G?I~ 14115S.01✓ ~ - T , T`/4- l,. L !J l ~ r % ~ ~RO',~' Z~+-t ;5mo~e 5~~~ui 2~~ 1'~aaea~ ~ne~1, inc Grarar~ r:ass 0~a71 To 0roer Pr,~t~f ~03 r'AiE t-3D0~1:5•a7BC~ . Joa R DtE-E'S SHEET NO -7 OF ~ z- WYATT-JAYKIM ENGINEERS CALCULATED BY MG~F DATE---LZ-/139.3 LEWISTON, IDAHO 83501 SPOKANE, WASHINGTON 99201 CHECKEDBY OATF SCALE . . . . . . . ~ . . _ . . , . ...i ' . ~ .~/'r5 ~..3 ~ _ . _ _ . . . . : ..o... : - . . . . , . . . . . . . . . . . . . . • . . . . ~ . . . . . t. . _ _'_L_' . . ~ ~ . - , ' ; • . % o r~ t_ , /2~A- : _ . / -SQ.~"T,.. ~•.70 ~~~E~ - ~ - -----0--- - . . . : G R ~A- ~ o Z eiA. ~'7 . . . . . . . . - . . _ . . _ . _ . . . . _ . _ - . . . . . - ~ ~ - , . _ . . . . _ . . . - _ . : , _ _ . , . . : : . . ' OvE,e z- A/✓ D w . . . . . . . . . ~ ~ ~ , . _ ~ _ - . . , ~3_✓6i: . : : ; . ~ . . . . . . ~ . . - . ~ L.... - - . ; . . . ~ . .../..OO ~ . . _ _S3. ' . 0. 4-. . . . . . . . . : . . . . . : . - . . . .~--h_.. . D//. A _ . ~ . = - - - ~ : . ; . , .r . . . : ~ . .O/7 : . . . . . . 1 - . . . : . . : . ~ , . - ~ . . . - --..SZ ..vo ~ - - . . . . : - : ~ _ : ~ . . : . ~ . : . . . . . - - - - . - . b . • ~ r . . . . (o. . . -;4 - T _ ,1 ? 7 MIN ~ . . : . . : : . . _ ~ . ~l •0~7. . . ►1. on~- . ~ ~ . . d.,o4~ . . . . ; O . . ~ . _ : . T < ; : . . ~ ' : . : ~.Y.~ . . - . . , . . . . . . . . , . . _ . . . ~ ~ . . . - . . . --C..~j.~.. ~ . _ ~ t ~*t ~ ✓ t-~f~' • - . ~ . • . . - - ' . ' - . . . , • , . . ~ . ' ==7DJCT?~vi (Sincp Sn;:tslc'D5-1 (Pa00.0) Inc Grorcn Nass 01471 io Orper DfOv: TOLF ~qEe 1 e00 225-63E0 ' 8l)z Project: Hardees Bas1n: #3 Deslgner: Haugan D ate: 12J 13 j93 TimA lncremeni (min) 5 "208" Pond Width (it) 25 Yime of Conc, (min) 5 "208" Pond Length (ft) 100 Int, @ Tc (inlhr) 3.18 "208" Pond Area (:.q. ft.) 2500 Outflow (cfs) 0,33 0 208° Pand Perime!er (ft) 250 Deslgn Yaar Flow 14 "208" Pond Volume (cv. ft.) 1343.75 Area (acres) 0,7 impervlous Area (sq ft) 27795 C' Factor 0.9 Worst Casa C'*Area 0.63 Trme Tirrie Intens ~ 0 Dev.~ Vof. in Vof. Out ~ Storage (min) (secl (inihr) (cts) (cu.it.) {cu.it) (cu.tt} 70 { -J I I ~ f 6~l 300 3.181 2.00 JAa- 805 99 ~ 706 300 ( 3.18 ~ 2.00 ~ 805 ~ 89 ~ 706 10 EJa ~ 2.24 , 1.41 1 G91 ~ 198 ~ 793 15 900 ~ 1.77 ~ 1.12 i 1117 ~ 297 820 20 j 1200 ~ 1.45 ~ 0.91 ~ 1189 ~ 396 793 25 { 1s00 1.21 ~ 0.76 ~ 1221 ~ 495 ~ 726 ~q 0 ~ 1800 1.04 ~ 0.86 ~ 1246 ~ 694 ~ 652 35 f 2100 ~ O.S1 ~ 0,57 ! 1262 ~ 683 ~ 569 40 ~ 2400 ~ 0.82 ~ 0.52 ~ 1293 ~ 792 ~ 501 45 ( 2700 J 0,74 1 0.47 1 1306 1 S91 1 415 50 , 3000 ~ 0.68 t 0.43 ~ 1329 i 990 ~ 339 65 ~ 3300 1 0.64 ~ 0.40 ~ 1372 ~ 1089 ~ 283 60 3600 ~ 0.61 ~ 0.38 1423 ~ 1188 ~ 235 65 ~ 3900 0.50 ~ 0.38 1513 ~ 1287 ~ 226 70 ~ 4200 0.58 ~ 0.37 ~ 1572 ~ 1386 186 75 ~ 4500 0.56 ~ 0.35 ~ 1624 ~ 1485 139 80 ~ 4800 ~ 0.53 J • 0.33 1 1637 ~ 1584 ~ 53 85 ( 5100 ~ 0.52 ( 0.33 i 1704 ~ 1683 ~ 21 90 ( $400 ~ 0.50 ~ 0.32 ~ 1733 ~ 1782 ~ -49 , 95 ~ 5700 ` 0,49 ~ 0.31 ~ 1791 ~ 1881 -90 100 ~ 6000 ~ 0.48 ~ 0.30 ~ 1845 + 1980 -135 ~ "208" Dralnaqe Pond Ca(cula!ions RequlreC "248" Storage Vcluma =lmpervious Area x.5"/12in/ft 1758 cu. tt. "208" Siorage Provided 1343.75 cu. ft. Drywell Aequirements - 10 vr storrtl Maxlmum Storage Required by Bowstring 820 cu.h. Number nnd Type of Oryvvells Raquired Type "A" 1 Type "8u 0 JOB ~ li !C D E-F ' S SHEET NO. 9 OF ~ Z WYATT-JAYKIM ENGINEERS l LEWISTON, IDAHO 83501 CALCULATEDBY DATE 1Zi13 9~ , SPOKANE, WASHINGTON 99201 CHECKEDBY DATF SCALE . . ~ ' . ~ . . . _ ~ . . : . . , ~ 0 8 . . , . :G'~ ~ ~ ~i~~ s~~°,~ ~-i~:::._ G ' r7 . . ; . . ~ . . : : . . . - ; - ;~97 . . . _ . : . ; _ . . . 77 ~ . : . . . _ - ~ ~ . . . : . ~cao3 9¢.. . ' - - . ~ . . . - ~ - .o ? • --J L- - - ' -7 l _ l - --.j _ _ " , x ' ~'r•~,r ~ - - - . 98' - - - ; . • : . : : . . . j . _ ~ . . Ki00~ - . . - - . . - - - . - ? • : : . I . ~ . ~.~pp ~tvoR F,c.e'v_ , : . _ . : . . ` . . 7 . . . , , I . . ~ - , . _ . . 9 8 - ; . . . . : . ' - - - - : . - . . EL~~ . ~ - ~ / ~ ELE v 9'8 ~ . 1 - - . . . . . . . . . . . . . . . . - • . . . ~ ~ . 1 . . _ . - . ~ . . • . . . . . . , _ . , ! L.L ' ►a~ x _ ~ ~,~o~?t - - . - 10 14 . - . . ' wA LL R Fr . . A . Iu a~ iU>~~~ . - - - - . . . . . _ . . . . . ~ . . ; . .~✓~L ~ : ~ ~ • . tN~4LL ~ - - . . . . . . _ . . . • - - . . . . . . . . . . ~ . ; . . . . . ~ . . . . : : . ~4-r , ~ f-=T" . . . , . . , . . . . . _ .:f~-~~~ ~.i . 99. ~ . . . . . . . . . : . . . Vo L.0 M.E //8i ,.e~v~, Fr ~ . - Z . - . . . . . . . . ; , . . . 2~•' Sngie Sn~ts~ 2t~t ~~z~ae~i /n~/, Ix Ga[Spn AIUS 6.iit io Oraer PHiNi TOt,: REE l&JD-225-63u7 - Joe ~J A- R D F E'S SHEET NO OF ~Z WYATT-JAYKIM ENGINEERS M G~ DATE LZ ~~31~i3 LEWISTON, IDAHO 83501 CALCULATEDBY , SPOKANE, WASHINGTON 99201 CHECKEDBY DATF scAL ~ • ~ ~ . _ ~ ' ~ ~ ~ - • . : ~ ' ~ . . . . : . . . . . . . . . . . . . . . . . . . ~ . . . . . . ~47 ' . . . ~ . - . : . . . , : ~ . . . , . _ . . ' ~ . : . _ . . . . , . _ . . . . . . . , . . . . . . . . _ . . --s_. . _ . . . . . ; : , ~ : ~ ' ~ ~ e ` , ` ~ • : . . ~ . : . f~c,~. . . ~ : : . ~ ; • . , ~ . . - ; - - E_..... - _ . _ . . : ~ ~ • ~ o s93 . _ . .P. 5Q G 7- GA ~e..r-- _ . , . . . , . . . . . . . ~ . . . . - . . . ~ . . e . . : . . . . . . - ~ - ~ ~ ~ ~ - ~ - - . ~ . . . . ~ ' . U V e-9, L.4-/JD T--l. o vJ : . . . - . ~ ' . . ~ ~ ~.1. . . .4. . . . . ~ O • ~ I . ./5 - . . . . - - - ~ . . y _ . . . . . - _ . , , : ~ r-~ ~ ' _ - : , ; : • • • . ~ • . - . , . , • . . - ~ _ _ . . _ . . ' ' . - < - ~ . ~ • ' - - • " ' . . _ ~ , . ~ . - - - . . . , . . . , . . . . - . . . S.-= ro ¢9 . . . . . . . : - . . . : . . : - . , . . , • . . - y ~ . . ~ _ . : - . _ ` : . . . . . . " ' : , . ~ . . . ~ W . . ~ . . _ . . . . . : . . . , . G_L119 1. 1 ~ C..., . .1~ /L•~.. ~ < ~ r . _ ~ r . r1.~~f:,'.~ • . . . c... _ ; - - f~ : - - , . . , . . . : . . , . . _ . . - - . . . . . - . . . . , ~ - o 6 . C_ ,._~~~-~f~ - - - • . ~ ~..r~] _ . . _ ~ ~ • . ' ~ ~si r. , ~ • , ' , ~ . . . . . _ . . _ _ . ~ . . ~ . . ~ . _ . _ . . . , . . _ . . . . . . . . . " _ . . ~ . . . " . " . t'"' . . _ . . . . . ' . . . ~ ~ . . _ ~ ' " . . . . ~ ! ~ ' " • - . ~ • ' . - t • . ' ' ' ' . . . . . ' ' . . ~ . . . .t . . . ' . . ' • , i . t . . . _ . . . . . . . . . . . . . . _ ' ' ' ' . . ~ _ . . ==~D.Li F_~•t iSr.;lSAtets' ?O~i (P~00:7t/~~s~` ~n[ Gce~n A1t~ D:~ii 'a Nuer P:tpHE TC1l ~F,EE i•E00?I5~,38C , Pro)ect:Nardeee ~ Basin: #4 ' Doslgner: Haugan Date: 12/13/93 7ime Increment (min) S "208" Pond Width (fl) 10 Time ot Conc, (min) 5 "208''.Pcnd Length (it) 10 Int. Q TC (inihr) 3,18 "208" Pond Area (sq. ft.) 100 Outilaw (cfs) 0.33 "208" Pond Perimetsr (ft) 40 Design Year Flow 10 "208" Pond Vofume (cu, ft.) 65 Area (acres) 0.03 lmpervious Area (sq ft) 820 C' Factor 0.9 Worst Casa C' *Araa 4.027 . Time~ Time ~ lntens Q Dev. Vol, In Vol, Out Storage ! (mIn) (sec) (in/hr) (ct$) (cu.ft.) (cu.h) (cu.ft) Tc ! I I I b ~ 300 318 ~ 0.09 35 99 ~ •64 J ( f I I 1 1 5~ 300 ~ 3.18 ~ 0.09 ~ 35 ~ 99 ~ -64 i o 1 soo I 2.24 j 0.06 I 42 ! 108 ~ 5s 1s ~ 90o I 1.77 ~ o.os I 48 I 297 ~ -249 20 ~ 1200 j 1.45 ~ 0.04 ~ 51 ~ 396 ~ .345 . 25 ~ 1500 ( 1.21 ~ 0.03 ~ 52 ~ 495 ~ -443 ~ 30 ( 180Q ~ 1.04 J 0,03 1 53 1 594 -541 ~ 35 ~ 2100 ~ 0.91 ~ 0.02 ~ 54 ~ 693 ~ -639 ao ~ 2400 j 0.82 ~ 0.02 ~ 55 ~ 792 ; •737 as ~ 2700 ~ 0.74 0.02 1 56 I 891 I -635 50 ~ 3000 ~ 0.68 0,02 ~ 57 ~ 990 ~ -933 55 ~ 3300 ~ 0.64 ~ 0.02 ~ 59 ~ 1089 ~ -1030 60 ~ 3600 # 0.61 ~ 0.02 ~ 61 ~ 1188 ~ -1 i 27 65 ~ 3900 ~ 0.60 ~ 4.02 ~ 65 1287 ~ -1222 70 4200 ~ 0.58 ~ 0.02 ~ 67 1386 ~ •1319 75 4500 0.56 ~ 0.02 ~ 70 ~ 5485 ~ -1415 80 ~ 4800 0.53 ~ 0.01 ~ 70 ~ 1584 ~ -1514 85 ~ 5100 ~ 0.52 ~ 0,01 ~ 73 ~ 1683 ~ •1610 1 90 ~ 5400 ~ 0.50 ~ 0.01 ~ 74 ~ 1182 •1708 95 ~ 5700 ~ 0.49 ~ 0.01 , 77 ~ 1881 •1804 100 ~ 6000 ~ 0.48 ~ 0.01 ~ 79 ~ 1980 ~ -1901 °208" prdinsqe Pond CaIculations Fiequired "208" Storage 'Jolume =lmpervious Area x.5"/12inJt2 34 cu. tt, "208" Siorag2 Providod 65 cu. ft. 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