THIERMAN N 1402 Great Western Chemical - Temp Loading Ramp
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0P`T1C,f.~ (]F" 'rNl= rOUNTY ENc,:rNL-•~jk: SF•'C1K~'~NE: C;UL!N-fY. 4JASMTNG7'C►f~
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71-~a.~;°rr:~sri
F;f'-f' F`lo. 1+9005a
71-ie COUnty E=rigine1_r-ing L1t{»rt-mr~nt ha, Cornp.leted a r-eview of the
above r-efereric:ed F~roaectR l'he fa7.7owa.ng infctirmation mi<<,1: be Ftrovirfeci
1(i !7'r deY fior l!S to pi'ni_eed W1tf'I OIIY T'eV1eW.
A) A ti-r-uinzicle p1an fur- the site wha.c:h 1-►a4 beeri prepar~.~cl i.n
rnmpliance witi-f apr_kilriE_ COUi;ty "Guidplinn-.-, far- StnrmwatPr
Manaaemer,t". At R minimLUm tr,~., plan muSt c:c:+nt.ai.n:
1. Uraina(le ra.lcu.l.ations fnr a•tOrmwatcr volumes generai,ed or7
s>itP
Cal;cLi l.~tir.in,5 fcir tatal i.mpPrvioicC. _=,Urfac:es contai.nPd wi.tl-i7.n
the ~ I'te.
3. Fini.shecl cir:icle e].evat:i.ans far st:rUC*ures ta he r.onstrttct~:d
()Il 51tP.
4. Fini.shed ciriicie Eslevati.ons at tt~ie top and bottom of the, .208
:WaZP.
F, tyrpi.cal c.ross _,ec.ti.r,ri c,f the 208 swa].e.
G. Ca.lCU.lations t.O juStify the nurnl?er and type of drywells
prc,paseci.
7. El.eva#;i.c+r7 cjf drXwel.1. inlets LJf'1P.YE? ~ppli.cabl.e.
B) 71-,e sUb,iNct pr operty is af fected by tl-ie "Findings and t7rcier"
F,r-lci the "C:oncli.ti.ons of Apprava]." far thifr foll.owi.ng land use ac:tinne
1. SI-tort F'1at 86°-431
M Se~.s camme•nts ori -the attached chec:k pri.nt. Plea5e return t;hE~
cI'ieck prini_ tO yi)Ur conl:act persoii at COunty Enginenring.
D) ]:nsLtffi.r.i.ent i.nfrar•mati.on was submi.ttecl wzth the proposal.. We
are Ltnahle ta pror_Ped witFi aur review. We wi.l.l need the following
before we can prc,c:eed A
1. hevisPCi Sit~.~/Lir3iiiage plan.
kesponcl tp c:ommentc. on tl-ie attacheci check pri.nt.
✓
3. "AyrePment to F'ay Fees" as noted below.
E7he awner of the_praperty_or tfie authorized repreC>entative
must_r_~mplei~e an~i s.in?pokan~~ County Engineer~r~ "f~qreemen~: to F'a~
Fees.~.rThis ciOcument_ must retLir-ryed to the CountY E'nc ineers Of f i.r.ew-
F'lan_review wi.ll not be c_omR.lpted _until this document is._e,:ecLki:ed.
This documPnt is attacried tc, theseWcammpnts. F'l.ease return the
comp_1e.ted Aqreem?nt ta ynur _r_ontar.t_person_atthe Fngineers
Dff,ar t m e.r~ t . . _
Your cantact person dt tt-,E, Gaunty E:riainpering T.iepartment may t,e
can-tacted by ca.lling 456-3600. Your CqlltaCt pPYsOfl ia ^acott Egger.
/ ' \
~p
okane County
.
~ Deparc~nent of Build in & Sa fet
, g y
RE-CEIwo
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MAY 16 1990 JAMES L MAPISO:I. DD[LEC'POR
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caua~ aee LETTER OF TRANstYll ?TAL
DATE = S I(p Q O
I '
TO = Air Pollution Control#"' Utilities Department • _fj Engineer's Office ✓ City of Spokane
' Environmental Health'~ - Fire District No_ t
Planning Department✓ . Liberty La,ke Sewer District
RE : A DORE5S : Ni, 144M
OWN£R/APPLiCANT: <;;LR.E~-r W ~~rET~t•1 C~-~~~LaL
PARCEL NUMBER_ PROJ'£CT NUMBER=
' PROJEC`I' DESCRIPTiON_ `~t~l~L ~ SiTE OU ~4T1 bNS
~ r viNOTICE OF PRE-APPLICATION CONFERENC£
An initial review for the describec proposal has beeri sched-
_ uled for 5~z1 qCj at tb:o C) a_n_ in the Building and
Safety Conference Room_ Attached is z prelininary si-te plan
for your review_ ~ y INOTICE oF PRE-coNSTRIICTIOK corr~EREOc£ _ A forsal review for the described proposal has been scheduled
for at a_n_ in the Buildinq and
SafeLy Conference Roon_ Attacl-ied is z copy oi' the permit
applicat-loA, along with the site developnent nlzns for your
- rev ie~.• -
Should you find that aciditionai information is needed in order to
present your findings at the conference, plezse con-%_zc-t_ our office_
j iR£VISED tITE PLM 11TTACH£D:
As required at the Conference for the above
proposal, attacned is the revised site plan dated _
Should there be further revisions necessary, or if your
portion of the permit is ready to be reLeased, let ss know 'as
soon as possible aftez contacting the applicant in order that
we might keep informed of the status of the project_
j iMEETiNG TO SE RESCHEDIILEO: -
. I 1 please be advised that the Conference date for the above pro-
posa 1 has Uee_1 changed f rc:n at a_ m_
to at a . cn _ - --I jOTHER:
Xls~ ~ rv~, 2= 17~nnoc_~`Cc 6N .
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S P C7 K A N E O U N T Y
DFPARTMENT OF BUILDING AND SAFE'TY • A DIVISION OF THE PUBLIC WORKS DEPARTMENT
J AMES L. MANSON, DIRECTOR DENN[S M. SCOTT, DIREC'I'OF
REC1EjV.,,,.~
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TO: Allan deLaubenfels, Planning Department ~ ~Y 2~~~
~
Scott Egger, Engineering Department ~
Ken Jeffrey, Building and Safety S~~~E ~U~11' E~i~P~~~~~~ -
Dan Runkle, Building and Safety . -'Daryl Way, Health District
Clyde Wisenor, Fire District No. 1
~
FROMV,~ Thomas L. Davis, Code Compllance Coordinator
Department of Building and Safety
DATE: May 22, 1990
RE: May 21, 1990 - Pre-Application Conference
North 1402 Thierman Road
Enclosed is your copy of the minutes to the referenced meeting.
Should you have any questions or need additional information,
pleases feel free to contact me.
TLD:rmd
cc: Mr. Tom Partch, Great Western Chemical
Mr. A.L. Scott, Olympic Associates
Mr. Lee Zimmerli, Great Western Chemical
Ms. Mabel Caine, Air Pollution
Mr. Dennis Scott, Public Works Director
WEST 1303 BROAUWAY • SPOKANE,WASHINGTON 99260-0050 • (509) 456-3675
FAX (509) 456-4703
} F
MINUTES
PRE-APPLICATION CUNFERENCE
IwTQRTH 1402 THIERriPiN R4AD
TANK AND SITE RENOPATIONS
MAY 21■ 1990
CALL TO 4RDER: The rneeting was called to order at approxirnately
10:00 a.m, by Building and Safety's Cvde CornpYiance Coordinatar Tam
Davis, with the fallawing in attendance.
PERMIT REVIEW PARTICIPANTS:
Allan deiaubenfels, Planning Department
Robi-n Domitravichr Buildirrg and Safety
Scvtt Egger, Engineer# s Department
Ken Jeffrey, IIuilding and Safety
Dan Runkle, Building and Safety
Daryl Way, Health District
Clyde Wisen,~~, Fire District Nv. 1
APPLICANTS :
Toin Partch, Gre~t Western Chemical f N. 1402 'Y'hierman Road
Sgakane, W,A 99212 (509) 928-0195
A.L. Scott, Olyrnpic Associates, 701 Uexter No A306
Seattle, WA 98104 (206),,Z- o
Lee Zirnrnerli, Great Western Chemical, 808 S4+T 15th Avenue
Partlandr aR 97205 (503) 228--2600
sCoPEIPRoJE+cT DEscRIPTIorr:
I. General Overview - The owner Great Western Chemical is
proposing to demolish and rebuzld aportion of the existing
facility. The existIng u,nderground starage tanks at the site will
be rernoved and sozl sampiing will be performed at the location.
Also px'opased is th~ re3acatian of some of the existing abave ground
storaqe tanks. The intent af the praject is to bring their chemical
storage facilities into compliance with county codes by providing
double containment.
It was noted that permits far tank removal and a temparary loading
dack have been i ssued by Building and 5a fety.
An Enviranmental Checklist was prepared and submitted tv Spnkane
County Air Pollution Control. Authority for the described project.
Public comrnent period concludes on May 25, 1990.
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SUNIlKARY OF DEPARTMENTAL,REOUI,REMENTS :
I. Planning Department (456-2205)
A. Discussion/Requirements
l. A copy of the zoning requirements were given to the
applicant and Building and Safety by Al1an deLaubenfels.
2. The proposed is located in a Restricted Industrial
Zone.
3. The relocated above ground storage tanks can not
exceed 15 feet in height as per the zoning requirements
for the Restricted Industrial Zone.
4. The exposed above ground storage tanks shall be
completely sight screened year-round, from public view, by
a fence, hedge, shrubs or maintained landscaped berm. In
response to a question regarding a chain-link fence with
slats as a sight screen, Allan deLaubenfels stated that
the ordinance refers to "completely sight screened" and
slats are not considered to meet the intent of the
ordinance.
5. Al1an deLaubenfels suggested that the applicant
proposes a scheme to accommodate Planning concerns
regarding screening for review and determination.
B. Permit Release Requirements
1. Please submit a revised site plan illustrating the
location and height of the above ground storage tanks, and
the location of the site obscuring fence.
II. Engineering Department (456-3600)
A. Discussion/Requirement
1. Coraments were given to the applicant and Building and
Safety by Scott Egger.
2. The proposed may be required to submit a drainage plan
that is in conformance with the Spokane County Guidelines
for Stormwater Management. Scott Egger advised the
applicant to contact Stan Miller of the Engineering
Department for determination if 208 swales are required
for the proposed. It was noted that only those areas to
be disturbed and improved are subject to drainage
requirements.
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3. Please submit manufacturers inforrnatiorx on the
praposed holding tank and oilfwater segarator in ar+der
that a dete,rrnination can be made regarding cvnforrnance to
starmwater management gtlldellne5.
4, The check print was returned to the applicant during
the meeting. Please address the comments on the crieck
print and return -it to the Engineering Depart°ment.
5. An Agreement to Pay Fees was given to the applicant
during the rneeting. The agreernent is to be signed by the
owrier and returned to the Enqineering Degartment, Plan
review will not be completed until this dacument is
executed,
B. Permit Release Requirements
1. Please su.bmit a revised drainage plan conforming to
the Spakane County Guidelines fvr Stormwater Managernent
far review and approval.
2. Please siqn the Agreement to Fay Fees and return it to
the Engineering Department,
III. Health District (456-6040)
A. UiscussionfRequirements
1. Daryl w'ay complimented t'he applicants on having a
c].ean facility,
2. Containment and treatment of the chemicals stored on
! the site will be under the jurisdiction of the Department
of Ecology. Please contact Ar~dy Tam (456-2926) of the
Department of Ecology for requirernents for the px`oposed.
3. TYxe existiang on site sewage disposal system is
adequate for the five persons ernployed at the site and Yras
the capacity for 15 employees.
4, The location of the existing septic tank is in
confll-ct with the truck loading dock. The applicant
indicated that the tank will be protected.
5. The existznq drainfield is not to be driven over.
6. Since the proposed is acritical materials user a
SampIing Agreement for sampling of the effluent from the
septic tank on an annual basis shall be signed by the
_ 3
• ~
awner. Costfor the obtaining and testing the effluent
shall be paid by the owner.
7. Al1 un-cantaminated construction and demolition debris
must be taken to a licensed landfill.
B. Pexmit Release Requireznents
1. Please submit the signed Santpling Agreement to the
Health District.
2. Please submi.t vex'ificativn from the I]epartment of
Ecology that the methads used far contairument and
treatment of the chemicals stared at the site are
adequate,
IV, Fire District No, 1 (928-2452)
A. Discussi.anf Requirements
1. Please verify if central rnonitoring will be used far
the grQgosed.
2. A lack (Knox) box entry systein for fire department
personnel access is required to he irrstalled.
V. Building and safety (456-3675)
A. Discussivn/Requirements
1. Plan review has been completed ❑n preliminary plans
by Ken Jeffrey,
2. Please refer to Chapter 79 Division V, of the Unifarm
Fire Code as oppased to Chapter 79.401 as indicated in tha
meeting for code analysis of the proposal. This Division
applies t❑ stativnary tank stvrage, ahove ground outside
af buildings.
3. Please identify the size af the easement for the
railrvad spur located to the east of the praperty.
4. Please subrnit compaction reparts faar the area that the
undergrvund storage tanks were removed.
B. Permit Release Requirernents
1. 'I'wv complete revised sets of plans addressing the
items discussed during and after the meeting needs ta be
submitted for review and approval.
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COUNTY ACTION
It was agreed upon by all departments present that a
Pre-Construction Conference would not be necessary for the proposed.
APPLICANT'S COMMENTS/ACRNOWLEDGEMENT:
The applicant acknowledged that all comments/requirements were
understood and had no further questions at this time regarding
permit requirements.
CORRECTIONB:
To minutes or changes from what appears in the minutes, we should be
notified within one day of your receipt of these minutes.
To site plans as required by any or all of the above-listed
departments shall be submitted to Building and Safety who will then
distribute accordingly to those departments.
AD.70URNMENT: There being no further business, Tom Davis thanked the
applicant and the departments for their participation and reminded
all that he should be contacted if there are any unforeseen problems
which may arise.
The meeting was adjourned at approximately 11:00 a.m.
Copies of Minutes to: Al1 participants
File - North 1402 Thierman Road
Tank & Site Renovations
NOTE TO APPLICANT: Some time ago the County recognized the need to
streamline the building permit system and accordingly initiated
these Pre-Construction Conferences. Comments so far would indicate
these conferences are successful and do enhance the permit system.
As a recent participant, we would appreciate any comments you might
have to further improve the process or, should you have any
questions or concerns regarding your conference, please contact
either Jim Manson, Building and Safety Director, at 456-3675 or
Dennis Scott, Public Works Director, at 456-3600.
Sincerely,
James L. Manson, Director
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~ RECEIVFD
N OT CE OF T R A N S-M TTA L~ MAR 15 1991 -
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t' tkGIPiEER
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ADDRESS Y<_ PARCEL #
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PROJECT
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DESCRIP.
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TYPE OF CONFERENCE
Pre-Application Pre-Construction Other: DATE:
TIME:
DOCUMENTS CIRCULATED
DATED REVISED
APPLICATION / I
- ~ SITE PLAN
~ ~ . - . ~ . • . . . . . DRAfNAGE-PLAi~ ~ ~ ~ . . ~ . ~ . ~ ' . ~ ~,I . ~ _ _ . ~
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LAND CAP PLAN ! ~ .
Other: o
Other.
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~ ADDITIONAL INFORMATIO O ~
CIRCULATED TO CIRCULATED BY
~ DATE
~ Ai ollution Utilities
A/t . bO4f5(49/`Engineering ~ Fire Oistrict # ~
Health District Liberty Lake Sewer Questions? Contact Je f Forry or:
Planning Other:
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Spokane County
DEPARTMENT OF 6UILDING AND SAFETY
West 1303 Broadway Spokane, WA 99260
(509) 456-3675 (office) or (509) 456-4703 (fax)
.
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- R E C ri. E. I "V" E D
- TYPE OF CONFERENCE
. SCP 0 1990
Pre-Application Pre-Construction ✓ Oiher: DATE: ;
TIME: ..,SPOKANE COUNTY ENGINEER
~ -
DOCUMENTS CiRCULATED
_ DATED REVISED
APPLICATION ,
SITE PLAN ~
DRA{NAGE PLAN ,
LANOSCAPE PLAN
Other. 5 U cE i s C!S- -re7 G(,
- Other:
4
ADDITIONAL iNFORMATION
CIRCULATED TO CIRCULATED 6Y
,-/Air Pollution Utilities
~ Engineering Fre District #
✓Health Disirict ~ Liberty Lake Sewer Questions? Cont Jeff Forry r:
_ ✓Planning ~ Other.
Spokane County
DEPARTMENT OF BUILDING ANO SAFETY
West 1303 Broadway Spokane, WA 99260
(509) 456-3675 (office) or (509) 456-4703 (fax)
1
.
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~J - ~ • y- . ~ ~ ; ~ . ' ~ , ~ - r,~,,. + ~
~tD
IA ! PUBLIC WORKS`OEPARTMENT
=1 ~ ~.aM ~ i
; . • ` OFFI
CE OF ,
COUNTY ENGINEER
~L~~' ~-.;~~~~3 ~►F,~„ ~'x R4NAL0 C. HORMANN, P.E.
• =•u . , Z.;rg ;P,.~~.~ >>>>.zCOUNTY ENGlNEER
. . .
SPOKANE, WASHINGTON 99260-0170
SPOnANC COL►:ir GOURT NOUSC
AGREEMEN T T O P AY FEE S
Agreement Number
This agreement between Spokane County and
whose interest in the project is 0 Li A1E1r-
, is entered into
this 7.ytt,.- day of yv-t IbA-f , 19 90 . This agreement is
applicable to the project known as:
~ . (40L roc ~ymAo C., CJt4 9 1 L t `L- .
That the individuals and parties named herein as having an '
interest in t~he above described property oZ project agree to the
following:
1. Reimburse Spokane County for-project review and inspection
fees as specified in Board of County Commissioner's
Resolution 80-1592 attachment C, as amended. The fees will
be based on actual salary costs incurred by Spokane County
for project reviews and / or inspections plus a ten percent
administrative charge, and will be billed monthly as
accrued.
2. The undersigned agrees that these fees are due'and payable
upon receipt.of the billing as specified above. The
monthly billing should be sent to*the attenti"on of: 674z,Ar- War--Cr(J C e~Etiot.r /4-na : TDM. P"T-cH
KJ f qb,L TH LQPd►nA#J (Z.PR O r1D -~,k i'l W~ 5~00fy0r-)c e...►~
understand that failure to pay these fees may result in delay in completion or approval of the project or othez possible
sanctions.
Fvr
8y ~
~
~ -7-0 Wl (DA (t7
C H
Pubiic Works Suilding / North 811 Jefferson Street / Spokane, Washington 99260-0170 (509) 456-3600
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FIGURE 4.3.4D BACKWATER CALCULATION SHEET NOTES
Column (1) - Design flow to be conveyed by pipQ segment
Column (2) - tength ot pipe segment.
Column (3) - Pipe Stze; tndicate pipe diameter or span x rise.
: Cdumn (4) - Manning's 'n' value.
Column (5) - Outlet Elevation oi pipe sogmQnt.
Column (6) - Inlet Efevation of pipe segment.
Column (7) - Barrel Area Is the tull,cross sectlonal area af the pipe.
Column (8) - Barrel Velocity is tho tufl velocity In the pipe as determined by:
v- o/A or ca.(a) = coi.(>) / ca.(7)
Cvlumn (9) - Barrel Velocity Head = V2/2g or (Col.(8))2/2g
Where, g- 32.2 it/sec2 (acceleration due to gravity)
Cdumn (10) - Yailwater (1W) Elevatfon; this is the water surtace elevation at the outtet of the pipe sogment. li
the pipe's outlet Is not submerged by the TWand the 7W depth Is less than (D+d,)J2, set the TW
elevation equal to (D+d,)/2 to keep the°analysis simple and st((I obtain reasonable resutts (D =
pipe barrel height and d, = c'ritical depth, both in h. See Figure 4.3.5X tor determination of d,).
Column (11) - Friction Loss = S, x L or S, x Co1.(2) Gr
Where, S, is the friction slope or head loss per lineal toot of pipe as determined by Manning's
Equation expressed in the form:
S, _ (nV)z/2.22 R"'
' Column (12) - Hydraulic Grade Line (HGl) Elevation just inside the entrance of the pipe Uarrel; this is determined
by adding the iriction loss to the 7W elevation:
Cot.(t2) = Cal.(11) + Co1.(10)
If this elevation falls below the pipe's intet crown, it no longer represents the true HGL when
computed in this manner. The true HGL will tatl somewhere between the pipe's crown and efther
normal flow depth or criticai ftow depth, which ever is greater. To keep the analysis simple and
still obtain reasonable results (ie, e«ing on the conservative side), set the HGL elevation equal to
the crown elevation,
Column (13) - Entrance Head loss = K. x V?12g or K. x Col.(9) Where, K. = Entrance Loss Coefficient (trom
Tawe_4.3.5A) This is the head lost due to flow contractions at the pipe entrance.
~
Column (14) - Exit Head Loss = 1.0 x V2/2g or 1.0 x Cd.(9)
7his is the velocity head lost or trans(erred downstream.
Column (15) - Outlet Control Elevation = Col.(12)'+ Col.(13) + Cal.(14)
This is the maximum headwater elevation assuming the pipe's barrel and inlet/outlet
characteristics are controlhng capacity It does not include structure losses or approach velocity
considerations.
Column (16) • Inlet Contrd Etevation (See Section 4.3.5 for computation ot inlet control on cutverts). This is th@
. maximum headwater eledation assuming the pipe's inlet is cont7olling capacity. It does noi
. , include struclure losses or approach veloCity considerations - '
Column (17) - Approach Vetocity Head: this is the amount of head/energy being supplied by the discharge irom
an upstream pipe or channel section, which serves to reduce the headwater elevation. If the
discharge is from a pipe, the approach velocity head is equal to ihe barrel velocity head computed
for the upstroam pipe. If the upstream pipe outlet Is signliicantly higher In etpvatlon (as 1n a drop
manhole) ot lowor in elevation such that its discharge energy would ba clissipatQd, an approach
volocity head of zero should be assumed
Column (18) - Bend HQad loss = I(fl x V2/2g Or ICo x Col (17)
Whefo, ICp s Bend loss CoeNicient (from Figure 4.3.4E) Thls Is lhe loss of head/onergy
required to change direction ot 8ow In an access stn.icture. .
Cotumn (19) - Junctlon Head Loss; this Is iho loss ln head/energy whlch resulis (rom the turbulence created
when two or moro streams are merged lnto one withln thp acCess stntcture. Flgure 4.3.4F can be
used to determine thls loss or ft can be computod tssinfl the tollowing equations derived trom
'Figure 4.3.4F:' ~
Junction Head Loss x V2/2g or FCi x Col.(t7)
Where, ICi is tho Junction oss CoeNicient determined by:
I(I _ (Q,/0j/(1.18 + 0.63(0a/0,))
Column (20) - Headwater (FiV1) Elevation; this Is determined by combining the energy heads In Columns 17. 18,
and 19 with the highest control elavation in either Column 15 or 16, as tollows:
ca.(20) = Col. (15 or 16) - Col. (17) + col.( 1s) + coi. (1s)
' 4.3.4-21 1/90
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FIGURF 4.3.4F JUNCTION HEADLOSS IN STRUCTURES
3.4
3.2
~
, Q2 /
1'~3 = 100~%
~ ~ ~ (1,
3.0
FT=
~ I
_ 8
2.6 Typicsl junclion chamber _
Ui - 130. (11 ° 195. fll ~ 6S
V, - 13.5. VI•+ 12.3 I
4
Q,+ Q, - - 0.50 (509'0) I ! -
' Head Loss ~ 0.94' ( I
~ , I I _ Q
~ I Q 1 = $0:r
v ?.0
c
LA 1.8
0
~ v - -
~ M
v
1.6 1.4 Q3 = 30'T•
Qi
l I ~
1.2
1.0 - Graphic E"mple - I - -
$
6 FT-n Q)=10n
. ~
.4 ( - -
oo'
~ --~y ~ -
~
u
0 4 6 8 {0 f'_ 14 16 18 20
Velocity in upstnam pipe, V(tps)
~
Source: Baltimore County Department of Public Works
4.3.4-23 1/90
~ING cOuxTY, wAs~INGToN, SURFACE wATER nEsIGN MANUAL
. r
TABI,E 4.3.5A CUNSTAtV7'S FOR INLET CONTROL EQiJATIOh1S {CpjVTINUED} aWL4 FHWA s~~~r[ ~ uvsua~ac~a f s+~~ar,ea
DIE5IC-+ cFihar ~;+a NCPtXrilP R E mlu r I va
"ANu"t- NW
FK#IJFZ "ATEAIJ4l scAkE twLts EncE DesCAirrrO+ roari K K ~ r .eftferwt
- a~ Iluri:a,s~i 1 Srx~re edqt ~{~h hesck.rll 1 4.0104 7.0 .0345 _67 0 71
fll4p3e ~ Greqvt efxJ wf#h hemd-,ll .409e 2.5 .Or32 ."i 07a
CedXrrte 3 GroO+m exd projestln4 .0m$ 2.0 ,fl317 .84 437}
- ,yq Ycrtlical 1 Lquare sdae ++ith htsd.rall 1 .0100 ?.4 .03V0 .67 (57)
. EISiQ.e• 2 creuve er,d vlxn AeedwlL .Rale 2.5 .4N2 .Jc tS7)
[rrxrtte 3 6roo+e erxi projectln9 doz 2.4 .0317 .dP (57]
~ 34 P;pe Ard, i 40'° nxmj~L.a t+ z.o .0496 .Sr (5-h
18" Cnrrxr 2 MIlered ta sSope .4304 T.0 .D4.63 .75 07)
li1.dius {71 3 prajrtti+r.,~ .0340 1.5 .6496 .33 07}
- 35 vipt ~rth 1 Pro~etif+"e] 1 .4396 1.5 .E1C87 .33 (56)
10'* Cvrrrcr 2 wo 9evr4y ,01Sr 2.0 .036# .66 (58)
Reri; u'l Ol 3 33.T0 9nrels .003) 2.0 .0264 .1-5 i561
- 3s plp* Arch 7 Rrojecxi^51 1 .4r61 1.5 ,43Q9 1 .55 i561
3p" Carr..r yo- 6rqels .0Q2l7 2_a .0361 .66 061
Nr.dium ~ 33.7° eewrls .p0}Q 2.fl .02GL .73 061
- W~ Rreh al 1 9Uo heaetW*ll 1 .QC83 2.4 .D379 .67 L57}
i2 Mikerecf ta lLGm. .0304 ~-4 ,OG63 ,.-5 {'yT}
} Thln wall p^ojctlirq .0340 1.5 .04 45 .57 07?
_ SS ~trcul~r 1 S+r,o4xh tnp-rreci InSet thraet .555 .0798 .'.34~ {3y
2 kcUqh taperrd inteC SKroa; ,514 .bA .4289 .90 431
EilipRltaL 1 Teprrtd in(eS-4eysle+! *d7ts ~ .538 .622 .0w .83 (I]
Inlt¢ IdKI, 2 Taptred tnlt[-wquars rr3qes ,5035 .714 .¢478 .84 {3}
T"red Knler~ehln edqe proj■t#irV .5'L7 b0 .0543 .75 {3)
• _ ' ~.etarq~ol~rr Z 1'aperrd In1e; eRrnit ~ .03, .667 .0174 .47
'
- se Rrc[itnquisr i Slcle troers+d•lrsv fivareblM edQCs 2 .5ek .66r .W-ISb a5 i3a
Car-4rss• 2 #ide lqxrrd-more faversbls rdqemp .Sb ,667 .037a .4F ;31
tmtsmulor i SI" lnptrod^tras filvorabla r0,)e3 2 .50 .667 .OL66 .63 13}
' Ci~Krr[R S1eg# rnrssrnf•mort ib.v*wblF rd?p-p .50 .66fi .6378 .71 !31
~ Se8 FHWA MD5 No. 5
34
_t ~4.3.5-8 11 / 0
KIAIG COURI'Y` Y, WASHINGTC]N, SLl RFACE WATER.DESIGN M ANiTAL
FIGiJRE 4.3.4E* Y3FniD HEAD LOSSES IN 5TRUCTURES
a _
~
1.2 ~ - ~
a ! -
_ ~ -
1.0
~
r-
~ I -
~ ~
I ~
0.8 Bend at fv4anhole, ~
.°J no Special Sh~ping
-2
~ , Def Iectof ~ -
°
- ~ ~
0.6
Cutved
Bend at Manhoie, i
'Y
Cur-ved of Deflectorl
~ ~
C}.4 ~ ►
~ -
' Curveci Scwer rlD=2 ~ -
0.2 - ~
~
Sewer rf D>fi
0 .4-
00 20a 400 600 800 goo iooo { !
l
DefIection Angle 'Y , Degrees -
'From "JV€vdern Sewer Design'. oo,pyright 198{}, Arnerican Iron and 5tael Instltute
- - , 4.3.4-22 1/90
~
KI1wG CC]CJNTSP, WASHINGTON, SURFACE WATER I]ESIGN MANLJAL '
TAgLE 4.3.513 ENTRANCE LOSS COEFFIClENTS
Type of Structure and Design vf Ent6ance CvefFicient K.
Piae. Concrete. P.V.C.. Spiral Rib, Q.I.. and CPEP- Smooth lnterior
Projecting from #itl, sacket (bell) end . 0.2
Projecting frorn fiSl, square cut end 0.5
Headwall or Yreadwall and wirwgwalls Socket end of pipe (grooveaend) 0.2
Square-edge 0-5 , -
Rounded (radrus y 1/12D) 0.2
Mitered to conform io fill 5#ope 0.7
End-Sec#ion conforming to fill slope* 0,5-
Beveled ed'ges, 33.7° or 45° bevels - 9:2+~
Side- or slope-tapered in9et 4.2
Pine. or Pine-Arch. Corruaated Meral and Other Non-Concrete or D.I.
Projecting from fill (no headwall) 0.9
Headwall or headvtrall and w;ngwafls square-edge 0.5
Mitered to conform to fill slvpe, paved or unpaved slope 0.7
End-Section canfarming ta fill slope* 0.5
Severed edges, 33.7° pr 45° bevels 0.2
Side- or slope-tapered inlet 01 -
Box. Reinforced COnCrete
Headwall parallel to embankrnent (no wingwalls)
Square-edged an 3 edges 0.5
Rounded on 3 edges to radius of 1/12 aarrel dimension, 0.2
or beveled edges on 3 sides Wingwalis at 30° to 75° to barre{
Squa«-edged at crown 0.4
Crown edge rounded to radius nf 1/1 2 barrel dimension, 0.2
ae beveled tap edge
tilVingwall at 10° to 250 to barrel
Square-edged at crown 0.5
Wingwalls parallel (extensian vf sides)
Square-edged at cro+rrn 0.7
Side- ar slope-tapered inlet 0.2
*Note: "End Section canforming io fill slope,'' made Qf eithef inetal oF conCrete, are the
sections commonEy a+vaifable from manu6acturers_ From limited hydraulic tests
they are equivalent in operatian to a headwall in both inlet and outlet control.
Same end sections incorporating a closed taper in thetr design have asuperior
hydraulic perforrrlance. '
,
,
4.3.5=9 1 J9D
KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
.
FIGUIZC 4.3.5C CRI'I'ICAL DE['T!i OF F[.OIV FOR CIRCULAR CULVERTS
r
-120 3,000 0-99
- I 14
- !08 2,000
-102
- 96
- 90
- 84 0'90 .
SOO
- T8 400
0.80
- 72 500
/
~ -6.6 200 1'0.To
-60
0.60
M `
-'S4
1 ` /
W
9 50 ` -C -
U ~ / _ 0.50 D = ~D
N ~
~ . Esi 30
'42
~
~ 20
0.40
I~ , 36
a 10
o- 33 Q2 T= 1.0
9A3 D 0.30
- 2T 3 /k ~ ~
s
, A dc
- 24 2 / ~
E
~ T ~
-21
~ Note: For all cross-sectional
shapes, dccan be calculated by L0.20
,18 trial and error knowing that the
- quantity (02 T/gA3 )=1.0 at critical
depth.
_,s . EXAMPLE
. D= 66 inches, Q= 100cfs
dc /D - Ratio = 0.50
~12 dc _(0.50)(66 inches) = 33 inches 1(12 inches/ft)
dc = 2.75 feet
,
~
4.3.5-15 1/90
r~
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ap OL~
u ~
1 1~•~
n r ~
eV
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f
~
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,
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4.
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BACKHAT6R CALCULATIO1a S H E E T
C
?J ~
(1) (2) (3) (9) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) ~'J Z
Bar Fric- Entr Entr Exit Outlt Inlet Appr Bend Junc A n
Pipe Qutlt Inlet Barrel Barrl Vel TW tion HGL Head Head Contr Contr Vel Head iiead HW w
Segment Q Lngth Pipe "n" Elev Elev Area Vel Head Elev Loss Elev Loss Loss Elev Elev Head Loss Loss Elev
CB to CB (ofs) (ft) Size Value (ft) (ft) (sqft) (fps) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) n 0
p C
~
n z
. ~ ~
n D
> N
c "
r z
> ~
~
, z o
v~ z
A ~ y
N x1
O
~
a
~
• m
~
a
' m
_ W
v
. . .
C/)
C)
z
3
a
z
, c
a
~ c-
~
0
KING COUNTY, WASHINGTON, S URFACE W ATER DESIGN M ANUAL
FIGURE 4.3.4D I3ACKWATER CALCULATION SEiFET NOTES ,
Column (1) - Design flow to be conveyed by pipe segment.
Column (2) - Length of plpe segment.
Column (3) - Pipo Size; Indicate pipe diameter or span x rise.
Column (4) - Manning's 'n' vaiue.
Column (5) - Outlet Etevation of pipe segment.
Column (6) - Inlet Elevation of pipe segment.
Column (7) - Barrel Area ts the tull cross sectional area of the pipe,
Column (8) - Barrel Velocity Is the tuJl velocity in tho pipe as determ(ned by:
V= O/A or Col.(e) = Col.(1) / Cd.M
Column (9) - Barrel Velocity Head = V2/2g or (Col.(8))2 /2g
Where, g= 32.2 ft/sei? (acceleration dua to gravity)
Column (10) - Taflwater (TVY) Elevation; this is the water surSace elevation at the outtet of the pipe segment. lt
the p(pe's outlet Is not submerged by the TW arxi the TW depth is less than (D+dj/2, set the TW
elevation equal to (D+dd/2 to keep the analysis simple and st11 obtain reasonable results (D =
pipe barrel height and d, = critical depth, both in h. See Figure 4.3.5)f for determination of d,).
Column (11) - Friction Loss = S, x L or S, x Col.(2) Gr
Where, S, is the friction slope or head loss per lineal foot oi pipe as determined hy Manning's
Equation expressed in the form:
S, _ (nV)2/2.22 R''"
Column (12) - Hydraulic Grade Line (HGL) Elevation just inside the entrance of the pipe barrel; this is determtned
by adding the friction loss to the TYV elevation:
Col.(t2) = Col.(11) + Col.(t0)
I} this elevation (alls below the pipe's inlet crown, it no longer represents the true HGL when
computed [n this manner. The true HGL wiU fall somewhere between the pipe's Crown and either
normal flow depih or critical (low depth, which ever Is greater. To keep the anafysis simple and
still obtain reasonable results (ie, erring on the conservative side), set the HGL elevation equa4 to
the Crown e4evation.
Column (13) - Entrance Head Loss = K. x V2/2g or K. x Col.(9) Where. K. = Entrance Loss Coefiicient (irom
Table 4.3.5A) This ts tha head lost due to flow contractions at the pipe entrance.
Column (14) - Exit Head Loss = 1.0 x V12g or 1.0 x Col.(9)
, This is the velocity head tost or transferred downstream. '
Golumn (15) - Outtet Control Elevation = Col (12) + Col (13) + Col.(14)
This is the maximum headwater elevation assuming the pipe's barrel antl intet/outlet
characteristics are controlling capacity. It does not include structuro losses or approach velociry
considerations.
Column (16) - Inlet Control Elevation (See Section 4.3.5 for computation oi inlet control on culveRS). This is the
maximum headwater elevation assuming the pipe's inlet is controlling capacity. It does noi
, • include structure losses or approach velocity considerations. '
Column (17) - Approach Velocity Head: this Is the amount of head/energy being supplied by the discharge trom
an upstream pipe or channet section, which serves to reduce the headwater elevation. If the
discharge is from a pipe, the approach velocity head is equal to the barrel velocity head computed
for the upstream pipe. {f tho upstream pipe ouilet 1s sign)ticantly hlghor In elevatlon (as in a drop
manhole) or lower in elevation such that its dtscharge enerfly would b4 diss+pated, an approach
velocity head of zero should be assumed.
Cotumn (18) - Bend Head Loss = K, x V=/2g or F(d x Col.(17)
Where, K. = Bend Loss Coetficlent (trom Figure 4.3.4E) Thls 4s the loss of head/energy
required to change direction of tlow In an access structure.
Column (19) - Junctlan Head Loss; this is the loss in head/energy whlch results irom the turbulence created
when Nvo or more streams are mer4ed lnto one wlthln the access structure. Figure 4.3.4F can be
used to determine this loss or it can be computed using the tdlowing equatlons decived from
Figure 4.3.4F:
Junction Head Loss Kx V'/2g or F~x Col.(17)
Where, FC) is the Junction Loss CoeHicfent determined by:
FC) ° (Q,/0J/(1.18 + 0.63(0,/O,))
Column (20) - Headwater (H" Elovation; this Is determined by combining the energy heads in Columns 17, 18,
and 19 with the highost contrd elevation in eHher COlumn 15 or 16, as lollows:
Ca.(20) - ca.(15 or 16) - Coi.(») + ca.(1e) + ca.(19)
4.3.4-21 1/90
t I-MPORT M ESSAGE
~
FOR
DATE ME
WHILE • ' •
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PHONE NO. ,20~ 5~5,
TELEPHONED ~PLEASE CALI ~
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RETURNED YOUR CALL
MESSAGE
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ASSOCIATED L1•A2334 M.NTCOlN V0A
A IMPORTAN M ESSAGE
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CALLED TO SEE YOU WILL CALL AGAIN
WANTS TO SEE YOU RUSH
RETURNED YOUR CALL
M ESSAG E
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ASSOCIATED L 2334 or+otii coIN u e•.
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FOR
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DATE TIME --.C:2 • .M.
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RETURNED YOUR CALL
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ASSOCIATED Lt•A2334 POiAT[OINUSA.
IMPORT NT M SSAGE
FOR ~ -
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BEFORE THE SPOKANE COUN7Y SUBDIVISION ADMINISTRATOR
IN THE MATTER OF ) FINDINGS OF FACT,
SHOR7 PLAT N0. SP-86-431 ) CONCLUSION ANO DECISION
THIS MATTER, an application from McCall Properties for the approval of a
Short Plat, has been received and decided upon, pursuant to Spokane County
Subdivision regulations, on the 28th day of April, 1986.
The individual signing below has further been properly delegated the
responsibility for rendering the decision by the Spokane County Director of
P1 anni ng.
FINDINGS OF FACT AND CONCLUSION
I.
That the Spokane County Comprehensive Plan indicates this site to be
within the Industrial Category.
I I.
That the uses and density proposed by the plat sponsor appear to be
consistent with those allowed by the Spokane County Zoning Ordinance and
Comprehensive Plan guidelines. Adjacent development includes industrial and
warehouse uses.
III.
That the existing zoning for this site is Restricted Industrial and is
within the Priority Sewer Service Area of the Aquifer Overlay zone.
IV.
That proper legal notification was given for this proposal.
V.
That no owners of adjacent lands expressed opposition or concern with
the proposal.
VI.
That appropriate provisions have been made for sewage disposal, water
supply, storm water control, circulation, fire protection and other necessary
public facilities and utilities.
VII.
That the proposed division and establishment of a single family
residence will not be harmful to the public health, safety or general welfare.
YIII.
That no significant adverse environmental impact will likely result from
approval of this proposal.
CONCLUSION & ORDER
Based on the above noted findings, review of public and agency comrnents
and consideration of the File SP-86-431, the application is APPROVED subject
to conditions as stated.
.
00~
Dated thi s~~? day of 1986.
r
. ~
CONDITIONS OF APPROVAL FOR SHORT PLAT #SP-86-431
PLatJNING
l. 7hat the below listed conditiions of all Departments and Agencies are
binding upon the applicant, owner(s) of the property, heirs, successors
or assigns.
. 2. The preliminary plat of record approval is for the property legally
described in the application for this proposal.
3. The Spokane County Subdivision Administrator shall review any proposed
final plat to insure compliance with the Findings and Conditions.
4. That the preliminary plat be given conditional approval to May l, 1989.
The Short Plat Administrator may administratively approve a request for
a one year extension of time if the sponsor submits a written request
forty-five (45) days prior to the above expiration date. A request for
an Extension of Time may subject the proposal to new conditions required
by reviewing agencies.
4. That the plat be designed as indicated on the preliminary plat of record
and/or attached sheets as noted.
5. That appropriate utility easements be indicated on copies of the
approved preliminary plat for distribution to the Planning Department
and the utility companies. Written approval of the easements by the
utility company must be received prior to the submittal of the final
plat.
6. That a certificate of title be furnished the Planning Department prior
to the filing of the final plat.
7. That the future development within this subdivision must conform to the
standards of the Restricted Industrial zone and Section 4.16A.050 of the
Aquifer Sensitive Area Overlay zone.
COUNTY ENGINEER CONDITIONS
1. That conditional approval of the plat by the County Engineer is given.
2. A statement must appear in the dedicatory language of the plat that
individual driveway access permits be required prior to issuance of a,
building permit for driveway approaches to the County road system.
3. The proposed plat sha11 be improved to the standards set forth in
Spokane County Board of Commissioners Resolution No. 80-1592,'as
amended, which establishes regulations for roads, approaches, drainage,
and fees in new construction.
4. The County Engineer has examined this development proposal and has
determined that the impact of this proposal upon the existing County
Road System warrants the dedication of additional right-of-way and the
roadway improvements herein specified.
5. That prior to the release of a building permit on either of the parcels
in the proposed plat, the applicant shall construct portland cement
concrete curb and sidewalk along Mission Avenue and Thierman Road.
Improvements shall be made along the f rontage of the parcel for which
i L _ L _ _ ! 1 J ! _ _ _ • • • • • • • • -
~ I
. ~
~
C
~ . w
Conditions of Approval for SP-86-431
HEALTH DISTRICT
1. Appropriate utility easements shall be indicated on copies of the
preliminary plat of record for distribution by the Planning Department
to the utility companies, Spokane County Engineer and the Spokane County
Health District. Written approval of the easements by the utility
companies must be received prior to the submittal of the final plat.
2. A combined surface water and sewage disposal detailed plan shall be ~
approved by the County Engineer and the Spokane County Health District
pri or to the i ssuance of any bui 1 di ng permi t for thi s proj ect.
3. Sewage disposal method shall be as authorized by the Director of
Utilities, Spokane County.
4. The dedicato ry language of the plat will state that: "Subject to
specific application approval and issuance of permits by the Health
Officer, the use of (an) on-site sewage system(s) may be authorized."
5. Water service shall be coordinated through the Director of Utilities,
Spokane County.
6. 1Jater service shall be by an existing public water supply when approved
by the Regional Engineer (Spokane), State Department of Social b Health
Services.
7. Prior to filing the final plat, the sponsor shall present evidence that
the plat lies within the recorded service area of the water system
proposed to serve the plat. The dedicatory language on the plat shall
state: "Use of private wells and water systems is prohibited."
8. The plat dedication will contain a statement to the effect that: "The
public water system as approved by County and State health authorities
and the local fire district and purveyor will be installed within this
plat, and the subdivider will provide for individual domestic water
service as well as fire protection to each lot/tract prior to sale of
each 1 ot/tract. "
9. Prior to filing the final plat, the sponsor shall demonstrate to the
satisfaction of the Spokane County Health District that a suitable site
for an on-site sewage disposal system is available on Tract B.
COUNTY UTILITIES
l. Pursuant to the Board of County Commissioners Resolution No. 80-0418,
the use of on-site sewer disposal systems is hereby authorized. This
authorization is conditioned on compliance with all rules and
regulations of the Spokane County Nealth District and is further
conditioned and subject to specific application approval and issuance of
permits by the Health District.
2. The plat dedication shall state: "The owner(s) or Successor(s) in
interest agree to authorize the County to place their name(s) on a
petition for the formation of a ULID by petition method pursuant to RCW
36.94 which the petition includes the Owner(s) property and further not
to object by the signing of a protest petition against the formation of
a ULID by resolution method pursuant to RCW Chapter 36.94 which includes
f`'1G nWl'1G"tC l nrnncrti DonVtnGn +64 e- nnna4 *4 i.~ r.4...11 ......L.j L: A. iL_
• \
l
Conditions for Approval of SP-86-431
BUILDING & SAFETY DEPARTh1ENT
l. The applicant shall provide the Building & Safety Department adequate
proof of compaction of the fill material located on Tract A prior to
filing the final plat.
.
APPROVED THIS DAY OF , 1986
. M SUBDIVISION ADPlINISTRATOR
CC: Health District
Engineer
Utilities
Building & Safety
Applicant
Surveyor
File
~
SPOKANE COUNTY DEPARTMENT OF BUILDING AND SAFETY
. W. 1303 BROADWAY-AVENUE
SPOKANE, WASHINGTON 99260
(509) 456-3675
I certify that I have examined this permiVapplication, stale that the information contained in it and submitted by me or my egent to compile said permiUapplication is true
and correct, and authorize Spokane County to proceed with processing. In addition, I have read and understand the INSPECTION REOUIREMENTS/NOTICE
provisions included herein and agree to comply with same. All provisions of laws and ordinances governing this type of work will be complied with whether specified
herein or not. I understand that the issuance of this permit/application and any subsequent inspection approvals or Certificates of Occupancy shall not be construed to
give authority to violate or cancel the provisions of any state or local law regulating construction, or as a warranty of conformance with the provisions of any state or local
laws regulating construction. •
, SIGNATURE OF APPLICATION ,
OWNER OR AGENT DATE •
~ ~ • .
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WAREHOUSE AND OFFICE
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DRY W ELLS ~
Nazardous
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STORAGE Ti4NK 1 :2'
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AREA
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V~ t. • • ~ ' •
Adapted from Hahn and Associatcs, 1987
:•lhtdtrgtourtd Storage Tattk l
Underground Tanics to be Aentoved
- SCHElsAATiC QIAGRAM. NOT TO SCALE
GREAT WESTERN CHEMICAL OATEJ-OJ89
SPOKANE, WA owN.St
Sweet-Edwards Site Map RPPR.
EMCON E"'S.
PROJECT N0.
- Attachment A T3506.0i
I
i i ■ i ■
_t
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IC
~sSCLIN'ES
' ; t ? n ~1
• - ne.
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. - - . . . - . - - . .
March 12, 1991
Spokane County Dept. of Buildings
West 1303 Broadway . , _
Spo.karre°; WA' 99260-01j50': . . : . : . : , . . . . . . . . . . ,
Rttn : T.homas L . . Davi s
Code Compl i`ance Coordinator ' ~ . Re: Great Western Chemical Company . Facilities Improvements .
. . . . . . . . . .
. . . , _ . - . , . . . . . .
. . . . . , h1i ssi-ori*. avenue.-Siie'. .
Gentlemen: • Enclosed please find four sets of revised drawings and one set of drainage
calculations for the subject project.
The drainage system is an inverted syphon with inlets to catch basins at
El. 96.2'. The elevation of the outlet is at 95'. Average pipe cover is
31
. Drain pipes are declined to a sump in the bottom of the outlet
structure.
Because of the inverted syphon, the drain pipes will run full. The usual
methods for computing flow loss in open channels do not apply. We have
calculated head loss based on "Cameron Hydraulic Data," for head loss of
water in old pipe. We used the 10-year storm to calculate flow rates.
Maximum head loss calculates to be less than 0.155 feet. Available fall is
1.2 feet. This should be adequate.
A percolation test in the vicinity of the new dry well indicates a rate in
excess of 40 inches/hour. The projected area of the dry well and its
gravel surround is 201 square feet. These combine to a calculated infusion
rate in excess of 670 cubic feet/hour. Applied to the site drainage area,
this computes to an equivalent precipitation rate of .473 inches/hour.
This is the 2-1/2 hour average precipitation rate for the 100-year storm.
One dry well should be adequate.
9074.01
~
~
~ j
Spokane County Dept. of Buildings
March 12, 1991
Page 2
Please note that we have eliminated the holding tank for accumulating
runoff from the elevated loading dock. We are now accumulating this storm
water on the surface of the adjacent diked storage area.
If we can provide additional clarification, please call.
Very truly yours,
OLYMPIC ASSOCIATES COMPANY
A. L. Scott
Project Manager
ALS: jbm
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CLIENT Cj ~!C Lr 14 7' &,ZLC- tC,11 ~L4~-. i/
701 Dexiei Avenue Abitti PROJECT
~ Seattle, Washington 95109 ~
(206) 265 4300
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Page 8
rig. 4 RAIRFALL ;t."i E;rSITIES - QURATION - FREQUAC-NCY CURVr-S ~
~
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SPOKANE, WASHINGTON
to.o 1900- 1sss
15.0 NOTE - ~
~
FREOUE/YC1' ANAL1'S/S B1' IIETNOO OF
10.0 EX TREA/ E✓AL U£S , Af 7ER 6UAIBEC
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S 10 t S 20 SO 40 5060 2 3 45 6 r~ 10 12 19 24
YIMUTES MOURS
OURATION ~
'?'his srarh is for use in estimating the freq«enc}• of various rainfall ~
intensities in the SPokane area. It will also give an inc]ication of
conciitions to expect over similar terrain and elevations in extreme
eastern counties of the State. For examPle: rain lasting G hOurs at
an average rate of Q.2 inch Per hour (total 1.2 inches in G hours) ~
can be exrected once in 25 years. ;
Reference : k'eather BurPau Technical PaPer ti`o. 25
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HDURS
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CAMERON. H Y D,*, R. A. U L I'c -.D.ATA
. . , . ~ WATER DATA ~
A ><< .
Friction Losses In Pipe;' C~-100. (For O,lct -Fipe)' Friction Losses ln Pipe; C=100 (For Old Pipc ) 6 Irieh ' . • ~ 8 Inch
Dauhle Cnst Iron Std µ't Steci Gxtra Stron~; Stecl liitra Stroag Steel. •~}i~$~
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Cast 1ron Std Wt Sreel , Eetrn Strong Stecl li:tra,'Srrqng 5tecl FLOIti II
FLOW
8.0' ii4,ide dia 7.451' inside diu 7.6'';5° iuside dia 6.575' insidc di.i
r 6.0' inside dia 6.065" inside dia ,$,761" inside dia -4,897° inttide dia u s
_ _ _ r",S
~ US . gul Vr Vc- Ilcad V~ Vc- Hcad Vc- 1'a Flcad Vc- 1', Ilrnd
~ I gal • Ve- Vr Head Vr Vc- Head lFC. Ve- {Iend Ve- Vq-' Hcud per locity locity loss locity locity luss locity locity loss locity lucity lose
per locity locity loas locity lucity lose' locity locity loys loci[y locity loyn tt~in ft Imad it tt Ucall tt ft licad (t It 1ieaJ (t
j min !t head it tt hcad it , ft bead tt • ft 'head it per ft pcr pu ft pcr per it per pu ft per
per ft ' per per ft pe~r per ft per ,•per • Yt: • per sce 1U0 « sec 100ft sec 100 ft scc 100 <<
scc . 100 tt sec 100 tt sec • 100 << seo'. 100 << ~
50 .51 .01 .047 .56 .00 .045 .62 .01 ' .127 130 .83 .01 .069 . .83 .01 .069 ,91 .01 .087 1.13 .tl9 ,143
•079 ~099 .164
.058 60 .68 .Ol .066 . .61 .01 '..063 '.79 . .01 .081 1, 02 :OS .118 140 .90 .Ol .019 .40 .Ol .98 , 0 ~ 1.2t .0'
70 .79 .01 0~ .78 ,Ol .O~q .66 ,•..Ol .108 •1.,19 '.p2 .2~2 160 .96 .01 .089 .96 .01 .091 1.05 .02 .116 130 u3 ,181
•1J8 ~ t.~6 ' .03 .304 160 1.02 .02 .101 1.03 .02 .102 1,12 .0'? .127 1.38 ,03 .210
•
80 .41 .Ol r`
.113 .89 .01 : Ol '.98 .01 170 1.08 .02 .112 1.09 .02 .114 1.19 .03 .142 1 47 US .235 O '
. . 90 1.02 . ,02 .141 • 1.00 ,02 .133 .1.11 ;02 • .171 .1.d3 ;.04 .318
100 1:13 ,02 1801 1.15 .02 .126 1.15 .02 .126 1 lb , .0'3 .158 1.56 .04 .261 r'
.1)1 i.tt ,02 . 62 1.23 ,02 ,208 _2.70 ' ,os .469 190 1.21 .o? .138 1.22 .02 .140 1,33 .os .176 1.64 .w .289
120 1.36 • .03 .239 1.33 ,03 '.~21 1,48 ,03 .292 2,04' ;06 .643 200 1.28 .03 .162 1.28 .03 .164 1.41 .03 .192 1 13 OS .318 y'• t ~
140 1.59 ,04 .318 1.56 ,04 .3p2, .1.12 , U5 .388 2.38 , 0§ .866 220 1.40 ,03 .181 1.41 .03 .183 1,55 .04 .229 1,90 ub .379
. 160 1.82 .05 .408 1.78 • ,05 .381 1.97 ,06 ,491 2:72 •.12 1.10 240 1.53 .04 .213 1.54 .04 .216 1.69 .04 .269 2 07 .01 1t~ , .
. 180 2.04 .06 .601 2 00 . ,06 :A81 ' 7.2k ' ,08 .618 -.3.0~- ,16 ,1•36 ~~6 C, +
260 1.66 .09 .241 1.61 .04 .260 1 83 .05 .312 2.25 .os .616
200 2.27 .08 .616 . 2.22 .08 -.684 2.46 , .09 .161 •3.46 ; -,18 1.66 280 1.79 .05 .283 1.80 .05 .286 1.97 .06 .358 2.42 . uIi .692
220 2.50 ,10 .135 2,44 .09 .697 2.71 ,11 .896 3 74 • 12 1.91 300 1.91 .06 .322 1.92 .06 .326 2 11 .01 .406 3.59 .10 .612 . 'r
. 240 2.72 .12 .863 2.67 ,11 .819 '2,96 ,14 1.03 4.08 `,26 2.32 JSO 2.24 ,03 .428 2.24 .08 .433 2.46 .04 .640 3.u2 .1a .894
260 2.95 ,14 1.00 2.89 ,13 .950. 3.20 ,16 1.22 •4.12 '•1 3U 2.69 400 2.56 ,10 •648 2•57 ,10 •664 2.81 ,12 .692 3.46 .19 1.14
. 280 3.18. ,16 1•16 3.11 ,16 1..q9 ' 3.45 ,19 1.40 •4.7.7 '35 3•08 450 2.87 .13 ,681 2 S3 .13 .689 3.16 .15 .860 3 S9 24 1.42
. 300 3.10 .18 1.30 3.33 ,17 1.24 3.69 ,21 1.69 `41 3.50 ' 600 3.19 .16 .628 3.20 .16 .838 3.51 ,19 1.06 9.32 ,:'9 1.73 ~ -
320 3.69 ,21 1.47 3.b6 .,20 1.39 3,94 ,24 1 .]9 5'.9$ .~46 3.96 660 3 bl .19 .987 3 59 .14 .9y9 3 S6 .23 1.26 4 75 35 2•06 =
140 3.86 .23 1.64 3.18 ,22 1,66 4.19 ,27 2•00 b.7.9 '.62 4•42 600 3,83 .23 1.16 3,85 .23 1•11 9.22 .2S 1.46 5.19 43 2.42
360 4.09 ,26 1.83 ,l.DO ,25 1.73• 1.43 ,31 2.QJ •6.13 ~.6S 4.91 650 1,15 .27 1.34 4 17 •27 1•36 9.57 .32 1.70 5.62 .49 2•18
380 4.31 ,24 2.02 .+.22 ,28 1.92, 4.68 ,34 2.46 ,6.41. ;45 6•43
700 1 91 .31 1.54 4.39 31 1.56 4 92 38 1.95 6.05 .57 3•22 400 4.55 ,92 2,22 4.44 .31 Q.~ 4.93 .38 2.71 6.81 172 6•97 750 4.79 .36 1.15 4.b1 ,36 1.77 5,21 ,43 2.21 6•41) 3.66 450 b ll ,91 2.76 6.00 ,39 q.61 5.64 ,,98 3•36 '7.66 ':91 1.42 • 800 6,11 .41 1•91 5.1;3 .41 1.99 5 6 2 4N 2.49 6.91 ,74 4.13 r• 1;
600 5,68 ,50 3.3~ 6.b6 ,49 (~Q 6.16 .69 4.09 8:61 1`13 9.02 860 fiA;1 .46 Z2) 6.45 A6 2.23 fi 77 .5,i 2.79 7 3i h4, 4•62
660 6,25 ,61 q.p b.U .58 J.SU 6.77 .11 4.68 '9.37 1;36 10.8 900 6.76 .51 2.46 6 91 52 2.48 b : 12 .C: 3.10 7.18 .10iy_6•13
600 6.81 .72 4.10 6.66 69 4•46 7.39 .85 6.73 10.2' •t,6 126 ' 1
9S0 6.06 .51 2.11 6.09 .58 2.74 6 67 61) 3•43 821 1 05' 6.61
650 7,38 .es 6.45 7,22 .et 6. 7 8.00 .99 6•64 1 r.1" r;g, 14.6 1000 6,38 .63 2•98 6.41 .aa 3.02 ?.o's ,77 3•"17 S,64 1.11,"• 6.24
700 7.95 .98 6•25 1,78 .94 6. J 8,63 '1.16 1.62 11.4- 2.2 16.8 ' 1100 7.03 .77 3•66 7.05 .77 3.60 1.83 .95 4.49 9.50 IAu 7.44 750 8.52 1.13 7.10 8.34 t 08 6. 4 9.24 1.33 8.66, •12.e 2:~8,.19.1 1200 7.66 .91 4.18 7.b9 .~r. 4.23 e.a~► 1.10 6.28 10.4 1 7 8.74
800 9.08 ,1,28 8.00 8,40 1,~'3 1: 0 9,85 1.61 9.75 13.6, 2,9 .21.6 1300 8.30 1.07 4.85 8.33 1.US 4.90 9,13 1.30 6•12 11 2 2.0 10•4
860 9.65 1,45 8.96 9,45 1 39 8:60 10.6' 1.7 10.9 14:5 3,3 24.1 - \a ,
1400 8 75 1'14 6.56 8.91 1,25 6.62 9 .53 1.50 7.02 12,1 2.3 11.6
900 10.2 1.6 9•96 10.0 1.6 9.44 • 11.1 'A .9 12•1 15- 3, • 3,7. 26.1 1660 '~.ba 1.43 6•32 N 61 1,44 6.39 10 5 1.7 7•98 13 0 2.6 13.2
'
950 10.e 1,8 11.0 10.5 1.7 10•2. ll,.7 2.1 .13.4 16.2~ • 4',1 29. 6 • 1600 10 2 1.6 7.12 10.3 1.7 7.20 11 2 2.0 8.99 13 6J.0 14.9 1000 11 4 -2.0 12.1 . 11.1 1.9 11:5', 12.3 , 2.4 1q,1 •17;0;; 4,b, 32.6 1800 11.5 2.1 8•85 11 5 2 1 8.95 12 6 2 5 11.2 15.6 3 s 18.6
1100 1.,5 2.4 1q.q 12.2 2.3 13.7 13.6 2,8 17.6 f8,7' , 5;4 38.8 2000 12.6 2.6 10•8 1t.8 2.5 10•9 14,1 ;1.1 13•6 17.3 4.7 22.6
1200 13.6 2.9 1 6. 9 ' 1 3. 3. 2.7 16.1 • 19,8 3,4 20.7 '20.+ .:4,5. 46•6 ~ - ~ r
~ 2200 14.1 3.1 >2.8 14.1 3.1 13.0 15 s 3.7 16.6 ►v.u 5.6 26.8 t
1360 14.8 3.41Q.7 1l.~ 32 18.6 16.0 ..4,0 .23•9 22 ,I- '7'6'62.8 2460 15.3 3.6 16.1 15.4 3,7 16.2 16.9 4.4 19.0 20.7 b.7 31.6 k`~t~
1400 15.9 3.9 2 1• 6 15.6 3.8 2 1-4- 17.2 4.6 27.6 23.8. ''8,& ~ 60.6 2600 16.6 9.3 17.6 16.7 9 3 17.7 15.3 5.i 22.1 ='3.5 1.4 36 6 ,-1
1500 17.0 4.5 ' 26.6 16.7. 4.3 24.3 •1-8,5 .53 31-•2 25.5, •10.:k 68•8 2800 17.9 5.0 20.0 15.0 5.0 20.3 19.1 6.0 25•3 .4.2 9.1 41.9 '
1600 13.2 6.1 28.9 11,8 4.9 21.9 • 19.7 -6.0 36,j • 27-.2.. 11,8. 11•6 3000 19.1 5.7 22,8 19,2 5.7 23.0 21,1 6.9 28•8 25.9 10.4 97•6 l 1
1100 19.3 6.8' 31.3 . 18.9 5.6 30•6 20,9 ,6.8 39. 28,9; 13:0 • 96.g -
3500 22.9 7.8 30.3 22.9 7 S 30.6 24 6 9.4 38.3 30.2 14.2 63.3
1800 20.4 6.5 36•4 20.0 6.2 34•0 22.2- 7,7 43•7: 3'0'6`i4:6 ~6.4 4000 25.6 10.2 38.8 ?5.6 10.2 39•2 .8.1 12.3 49•0 34.6 1S.6 81•0
1904 21.5 '7.2 39.7 21.1 6 9 37.6 23.4' "'B.! 48,3 : 32;3 ' 16.2 1 1 4500 28.7 12.8 48.2 28.8 12.9 48$ 31.6 15.5 60•9 38.9 23.5 101 '
2000 22.1 '8.0- 43.6 22.2 7.7 41.4 24 6 •9.4 63•1 3f a•;ls:o 117 6000 31,9 15.8 68•6 32.0 159 59•3 35 1 19,1 14•0 as.s ?y.u 122
2200 ?s.o 9.7- 62.p 24,4 9.3 49•4 2711 11.4. 63.4- 37,4~ -21:7 140 6500 35.1 19.1 69.9 33.3 19 4 )0.) 35.6 23.2 88.3 47.5 35.1 146
2400 27.2 11.5 61.1 26.7 11.1 68•0 29,6 13.6 74.5 418 25.9 164
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