Nixon E 6205 Warehouse - Dry Storage
I
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EI~GINEEIt'S TSIREET
BLDG. PER~NIIT # -or •FILE# IR9,3013.01
Related Ftle )
Date, to Review 2•14-93 T'ime 11s00 # PREAPPLICATION,
Date to AA & Dlt llme
Date ~Recei.ved 2,2-93
' project Nme. WHSE-DRY ftORAGE No. Lots No.Actes
'Secti n - Township - Aange
SITE ADD3tDSS NYXON E 6205/E, UItE PARCLL 13533-1505+
Applicaat's Natne PETER WELK OWNER Phone # 838-9143
AddresA VGork #
Date Conditions mailed
Contact person PhoDe #
FL04D ZANE -1 'I40 W s SGHOOL
Engineer / SuTVeyor's / Arc6itect's Name
' Planning Contact Pereon Phoae # 456-2205
. Date Sulimitied Descriptivo Initials
ry
ol AGREEMLNT 'PO PAY FEBS COMWIiEMD 8c COPY TO ACGOUNT.[NG Cfp
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FWAI.,PLAT FM COMPI,EMD & COPY 'PO ACCOCIfN',fING
NO'I'ICJF, TO pUHI.IC # 1 34 6 COMPIYTED - OR NEEDS TO BE SIONED
D-ISIGN DEVrATION SUBNfr11PD
AL-T.ERA7ION TO PLAT • IBLOCKS & LOTS
,
HEARING EXAM APPROVED DENIED _APPEAIED BBC APPROVED DLNIFD
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OFFIC$ OF T$$ COUIi1TY ENaIN$8R
SPOKAN$ COUNTY, WASHINGTOI+1
Project: Whse - Dry Storage Date 2-10-93
Address: E. 6205 Nixon
Parcel No: 13533-1505+ Ref No. B93013
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) For any new hard surface area, for an asphaltic roof, or
a roof containing HVAC machinery, 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. Drainage calculations for stormwater volumes
generated on site.
2. Calculations for total impervious surfaces
contained within the site.
~ 3. Finished grade elevations for structures to be
constructed on site.
4. Finished grade elevations at the top and bottom of
the 208 swale.
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. Copy of the proposed landscape plar.
B) The following improvements within adjacent Right of Way
are required prior to the release of a building permit:
1. You must submit road and drainage plans for street
_ improvements. These must be prepared by an
engineer. Plans must be prepared for the following
streets: '
a. Nixon, Typical Roadway Section No. 1, Access
Standard.
b. Lake, Typical Roadway Section No. 1, Access
Standard.
All required construction (sidewalk/curbing/pavement) within
the Public Road Right of Way is to be completed prior to the
release of a buildinq permit or a financial guaranty in an amount
estimated by the Caunty 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. As an alternative to the required road improvements
the County will accept an RID/CRP agreement
"Notice to Public No. 6" on Nixon and Lake.
t -
BUILDING PERMIT CHECKLIST
~ PRE--APP ~
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I PE~tMiT #
IM REOUREPM CUMPLETED ~
~ f ~ ~ K~ ~J v ;y lA L L ` ~ [Q nS! !h ~`MY16 ( { ~
~MANAGEIIAENI~w
RIGHT QF WAY DEPARTMENT N I
DEED M ✓ I ~ ~
EASEMENTS . M I
R/W M I ~
RiD M ✓ I ~
LEGAL DESCRIPTION CHECK N I
LETTER FROM SCAPCA ~ I
RECIPROCAL USE AGREEMENT
N I
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( ` h , L t S . . r...._. ~~W`?xv~ r,, ~ ~.finti~ ~~~~~Y~}' v;~ {~v~.,~~ } f y.. . . t ~
1CfORfi I ~ I ✓
scALE I ~I I ✓
BENCHMARK I ✓ I ~
RCAD NAMEB
R/W DIMENSIONS I I
PROPERTY LINES I ✓ I
SET-ASIDE I r
GRADES
STAMP I ✓ I ✓
PAVING I I ✓
TRAFFIC CIRCULATION PLAN ~ ~ ✓ ~
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& QamkmT _ ~ L..,~,~ I ✓ I
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208 GALCULATIONS I ✓ I ~
SWALE CROSS- SECTION
SPECIAL SOIL TESTS
ROOF CONSTRUCTION I I ~
HVAC ON ROOF I I
LANDSCAPE PLAN (208 CONFUCT) ~ I I
DITCH CALUTATIONS I I ~
BACKWATER CALCUTATIONS
GRATE CALCULATtONS • I I
PIPE CALCULATIONS I I
RETENTION/DETENTION CALCS I I
10/50/100 YEAR STORM I I
TR-55 ANALYSIS I I ~
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~GRADE SHEET (EXISTING RvAD) I I
STAMP I I
OWNERS SIGNATURE I I
ROAD DRAINAGE (SWALES, STRUCTURES, I I
"A" VALUE TESTS I I
NEW ROAO DESIGN I
BOND I
MYLAA I I '
COUNTY STAMP ~ I
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E1L0'NSV.01'US0A'ik'?1KSHWwfJ
HAI-IN ENGINEERING, INE. RECEIVED
E. 55 LINCOLN RD.o 9UITE 102
BPOKANE. WA 99206 JU,. Z 91993
(509) 467•1550
r -t 0ArE-1"30 - !3
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TO SU6JEC7 -Pe~ ~V=~l~/r b~..►Jl rG~~ti Ati~
- SP.o- kC~O-C _~COW -E?!'1. Iru.e.r~
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NOTICE OF TRANSMITTAL
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A,DDp,F~SS PROJECT #7,5 -
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FARCEL #lI.EGAL DESCRIPTION:
' BVSUaM NAME
PRO V Virr ~ r~~ w•~~}~f
i~ i 5~~~~~i~~~~~ tiN••• hAi(YA:.~YI\'l.M1ik:_4M1/,X/~..L;JIf~Yh.~. JWY'l~Ir.I7~ki L/M1ti51~~ "j{X,I:N4= S".Ti.+AYV`IWF~t\ -•,ry F ~
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CONTACr
PHONE
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TYPE oF corrFE.uEvc8
PREAPPLICATION ~ PRBQONSTRUCI`TON ~ DATE:
TIME:
OTHBR ~
17f1C'Lq1I71\T i`.~.' ~IRCULATED
D~STRIB~TT~D T0: FsB Drsr
RBC'D ' D ON BUII.DIINGS IPLANMG ~8N'a~SOMLTH ~ SGAFGA xa ~ On=
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Topocgrraphy Site Plan X x ~
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Cn'w, ;:.~a1 Mate~risls I.ist
6
Parking Plan M w
Sigaage Plan
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Lighting Plaa
. ,
Drainage Pun
;
Drainage Calculatibns
~ w
AVeement to Taay Fees '
Irrigativ~ Plau
L~tndsc~tpe Plan
,
Promissory lemr "
ir r
I.SZ1dSCSpe COSt $3tLA11t1B
r ^ . ~`r
TrafAc Circulation P1an .
, .
Construction Drawings
,
~
Floor Plan
~
1'ha abova itcais bavo bma cuxived:
Data of transmittat: ~ ~ q., d:~
Spotcana County Department of Buildtngs « West 1303 Broadway Avenue * Spokane, WA 99260 w{509~9-M1993
~ 4AW10
. ~
S P O K A N E C O U N T Y
OFFIcF oF THE CourvrY FavcuvEER ~ A Divtsiorr oF rHE PvaLic Wous DEnaxrmENr
Ronald C Hormann, P E, County Engineer Dennis M Scott, P E, Director
AGREEMENT TO PAY FEES
ENGINEER'S AGREEMENT NUMBER e)q we (
This agreement between Spokane County and
per'son)
whase interest in the project is ,
tic ow►rer, agem, ~u:.}
is .:ntered inLLo ttus ~ day of , 19 ~13 . T'hls agreement is appLcable to the piojca,t
knawn as w 5- O S.- -
l ~
pr ject auc or l~reame
That the individuals and parties named herein as having an interest in the above desenbed property or
project agree to the following:
1 Reimburse Spakane County for project review and inspection fees as specified in
Board of County Commissioner's Resolution 80-1592 attachment C, as amended.
Z'he fees vvil1 be based on actual salary costs incurred by Spokane County for project
reviews and / or inspections plus a ten percent adzninistrative charge, and will be
biUed monthly as accrued.
2. The undersigned agrees that these fees arP due and payable upon receipt of the
billing as speci6ed above. The monthly billing should be sent to the attention of:
NAME• L,(J
~
ADDRESS: rc~ ~Z- D
CITY, STATE:
q . RFrTIVIED
ZIP CODE
JUL 12 03
PHONE
SfB~Il1rE
I understand that failure to pay these fees may result in delaY in comPtetion or aPProva o t e Pro1'ecY or other possible sancttons.
~
SIGNATURE By:
(PRINT NAME) RETURN YELLOW CUPY TO SPOKANE COUNTY ENGINEERS
k*%agrccmcn fec 3/9%J 8I1 Jefferson Spukane, WA 99260-0I80 (509) 456-3600 FAX (509) 456-47I5
WAHN ENGlNEERIhJG, INC.
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IEo 55 LIN`OLi- RD.• SUITG 7fi2
sFOtcawE. wA 9920e
(509) 467-1550
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T~ mu`T ~t~~~ - ~a~~~~~c°~ ~~L~C _~r~~~l5► ~ ~1i5wlO~V ~
-5pWeAME CD. E,~~~~ELMs
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VEAR.
FLS*.-.g fimb _ JE4",5ED -JVF. _ PEN151045 _ =T~~"RiD146 -rtW - - -
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RF-Poe.-r AF.I Pt.AJ.l Folt *UIL f?MJIEnl ~ ~ ~ppftvAL.
~ F ol~- 1%0= _~~E A&N Q~ISST1095 ~~l45DicS5 _ DO r4oT - - -
REN+*m CALL- . - - - - - ^ - _
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DWE Vm kmgAy 1 4
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n Engineeting, Inc.
,Ha
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&st ss Li,mrn M. • salte 102
*akw, woWgft "208
(saq) 467•i.Sso
FAX (509) 456-I729
April 5, 1993
Mr. Hill Hemmings
Spokane County Engineers
Public WorkS Huilding
W. 1426 Broadway
Spokane, WA 99260
RE: WELk DRAINAGE REPORT
OUR FILE N0. 93H092
Dear HiII:
Please find enclosed the first submittal of the Welk Dry Storage
Drainage Report and Plan for your review and approval.
If you should have any questions, please do not hesitate to call.
Thank you.
Very truly yours,
HAHN ENG I NEER I IVG , I NC .
Randell G. Hahn, P.E.
President
Encls.
RECEIVED
MAY 14 1993
0oMooM910M
S P O K A N E C O U N T Y
OtRcs oF THE Courrnr Erccmm • A Dnsrnv oF Tm Puec[c Wam DspaRrMSNr
Ronald C Horznann, P E, County fiaguteer Denms M Scott, P E, Ihrecbor
Date:
SUBJEC:I': ~~x ~ ~►t
1
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Gentlemen: W&~ ~
A rewiew of the road, draina , or site plan for the above-referenced builduig permii has
beea accomplished. Areas of concern to us are indicated in red on the attached prints.
Please make the corrections and resubmit them to the Building Department in order that
the review process may proceed. When the plans are resubmitted* mark a11 chanEes on the
revised print in color and include the mark-up.
If you have any questions about this review, please contact us at 456-3600. Thank you.
Very truly yours,
Ronald C Hormann, P. E.
Spo County En ' eer
Ro
bert .I.T.
lYe
Plans Review Engineer
N 811 Jefferson Spokane, WA 99260-0180 (509) 456-3600 FAX (509) 456-4715
Hahn Engih~,*ng Inc.
,
EaRf ss ti,ebrn Rd • sWire 102
Spotmne, vlraAmgtm 99208
(509) 467-1550
FAX (50) 466-I729
April 5, 1993
Mr. Bi 11 Hemmings
Spokane County Engineers
Publ ic Worf<s Building
W. 1026 Broadway
Spokane, WA 99260
RE : WELK DRAI NAGE REPORT
OUR FILE NO. 93H092
Dear 8i11:
Please find enclosed the first submiCtal vf the Welk Dry Storage
Drainage Report and Plan for your review and approval.
If you should have any questions, please do not hesitate to call.
Thank you.
Very truly you'rs,
HAH(V ENG I NEER I NG , I NC ,
a de 11 = Hahn A P. E.
President
Encls.
~~CEIVED
p p R V ~ 1b~)J
il a ft
MAY 9 4 1993
sPoocaNE oouNrrEMMEM
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D$Y ' O NN R~,'" ' 92Q9
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WELK DRY STORAGE BUILDIMG
PROJECT DESCRIPTION:
This project is generally located at E. 6205 Nixon, the
corner o-f Nixon and Lake Road, parcel no. 13533-1505t. The
surrvunding area is generally vacant, bare of vegetation
with residential area to the nvrth.
The drainage area is composed of GarriSOn gravelly loam on a
little or no slope.
This repor't deals with the installation of a,dry warehouse
building only with access from Nixon Street.
Immediately narth of, the p,roperty are two residential homes
with grassed yards and landscaping. No direct runoff is
anticipated from this area. To the east is, a vacant lo,t
with little or no vegetation. (Veither area is addressed in
' thzs report. 208 Swales are to be installed to handle on-
site drainage.
af.
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At~0;3 1993
C-~~neer~ng
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NOTICE OF TRANSMITTAL
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ADnREssC: PROJECT #
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PARCEL #/LEGAL DESCRIPTION:
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as 1-3 5. , .50 C;
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• PROP4SED USB
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TYPE OF CO NCE
PREAPPLICATION ~ PRBtONSTRUCTION ~ DATB:
TIME: ~
OTI3ER: ~
DocuMErrrs cIELcurATEn
DISTRIBLTTED T0: tMnW
R$C'D ~ DBSCRIPTION BUILDINGS IPLANNIlJG SGAPCA aTM
Site Plan new rev.) ~ x X
.
Critical Materials List ~
n
ParMqg P1an
Signage Plan
Lighting Plan
Drainage Plan
Drainage Calculations
,
Agreement to Pay Fees
, -
Irrigation Plaa
. .
. ,
I.andscape Plan
Promissory Ietter ~s
~s
,
,
Landscape Cost Estimate
Traffic Circulation Plan ~
~
Construction Drawiags ~
r
Floor Plan ' x
The above items have been received:
Date of traasmittal:
Spotcane County Department of Buildcogs * West 1303 Broadway Avenue ~ Spokane, WA 99260 (509) 456-3675
►
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ENGINeETE 1~'2
HaNN ~ SUi
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P~EPARE 5131 L .;~C0L~1 R~A q92
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t50,~,,7 -1550
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WELK DRY STORAGE HUILDING
PROJECT DESCRIPTION:
This project is generally located at E. 6205 Nixon, the
corner of Nixon and Lake Road, parcel no. 13533-1505t. The
surrounding area is generally vacant, bare of vegetation
with residential area to the north.
The drainage area is composed of Garrison gravelly loam on a
little or no slope.
This report deals with the insta2lation of a dry warehouse
buildi.ng only with access from Nixon Street.
Immediately north of the property are two residential homes
with grassed yards and landscaping. No direct runoff is
anticipated from this area. To the east is a vacant lot
with little or no vegetation. Neither area is addressed in
this report. 208 Swales are to be installed to handle on-
site drainage.
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Spra9++~ Amt
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e1: 20 000 i T
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i$ SOIL SL'RN EY
oecupy rollmg to hilly ulal.uicls. Tliey foriiled in 1ayered tliey aie excellent VIIliv-1; :~ces for lit~ntinmm miai atoi•y iintei•folt 1.
loess unclei• coniferous foi•esfi. 'The aniiu.ll l~iecipitltion is (Capability unit not lii a A%oociltind gioup or
nbout 23 inches, ancl the frost-free season ia aUout 135 cinS•s. range si te)
Freeman soils 11e used for binin, Pea,, clover, alfalfa,
and grnss, nnd as woodlnzid. Garfield Sei•ies
Freeman silt loam, 5 to 20 percent slopes (FaB).--This
is the donainnnt soil on thc si]ty uplaiZCl naitl~ and enst of Tbe Gnrfie]d seiaes cousists of uell-clzamec], seveielV
Rockford ltost slopes aie betAreen S and 15 peiceut, a eiodea soils fhlt foYme(l vt loess under ainss and suiall
few smlll aieas liare Glopes of moie tlinn 50 pei•cent, and slirubs. These soils occu py ridgetops, l:nolis, niicl tlie ifp-
some of ]e~- ~ thnn o pereent Slo pes of moie th1n 30 per- er slopes on iolllner to hilly upland.s. Theti hnti-e a suifnce
cent are short 1nd aie alonb the edbes ot the cli.`1111:1gGw:Iys. z3 er of silt3- rlay Toam ancl a suusoil of ilt)- rlay that is
RepresentatiA e Piofile 1-ei'y IlArd, sticl:y, and plastic. The aaumal piecipitation
0 to i incbes, rery daik grayv-h-bro%%n, frial,le silt lonw; js 13 to 22 inclies, aiid tlle fiost-fiee Geason is nbout 140
arannl:tr s-tructnre, neutrt►l aav3.
7 tA 17 incbes, t~roun, friable S1It lostw, gr.'~cicb i~rot%n at i~ :r11~8 sOllS a26 U-t@d 7Ylilllll)' fA2 inm,llialfl,:►ncl gl:tcc
c~ept~of Y2 incl~ee, neucrnl Garfeld silty clay Ioam, b to 3~percent slopes, sereie-
17 to 1ncflest grarish-bronn, erm silt loAm that lare:►ks into ly eroded (GoC3) -Th2s soil occu»es tlienaizbir rid eto,s
1-to?•inel~ prismr, neutral 1 ~ 1
2-0 to 72 inchefi, ci1ik•Vron firm :iltc c1aF lonm, ntmost sitt nlid uj~j~er sloj~es oii loessll ul~llncls ii~ che toutl~e~~stei•ii
louw, breabs iulo pricros 1 to 2 JucLes uIde, and theu into p1i-t of tlie couno►, '1iost slo?es 1i e betn een 8 nncl 20 per-
angular bloeks 2/1 inch to 1 inrh a Ide, iieutral cent; & fe» small nr ens have s opes of more than 30 re; cent,
The surt'1ce soil, wheit moist, l;tn~ez fiom t ei~~ claik nnd somennrio~~~ lid~etops h~~ e Clopes of less tlinn 3pei•-
gray>ish bro~rn to daik laiutrn ii~ color Tlie ies-ttuv of the cevt Iiepiesentative rrofile
subsoiI rlncres from hea,%y silt lonm ro -crlty clar lo1ni. 0 to SI nclies, daih-biotrn, nrm etlry el3s ioam, branular scruc-
AS iY111Ch it3 i percent of sorue 1re1s eo;isi:ts of Larkin, tnre, »eurrnl
DearrrtonI oi• :eA ei el3 ei oded Fi eeman soil~ S to 93 incUes, dait,-Lron n, sim s~ity c1ay, yelio~ii~b Lro~-n
This is 1 n~oderntel3- ~%ell cli nined ~oil th.1t h~~cs a sery ~lta clap lc►tt~n ~e~o~~~ a de~tU of 23 ~nc>>es, brea~;s into
~lotrl~ ~ei~i~ettble subsoil and is sate~i ated foi slial-~ er2oc~3 i r~sn~ i 1 inch to ineLes ~r~de nnQ then into sugeelar bloebs
. 1 n to ,s~ Ineh WicL-, clay fllms cont We prisms und anaular
in spriii~ It lialds 11~out .7 to Tinehes uf ~cnter th~,t plnnts L1oe1~,, ueutral
CA11 ltS@ It ia emsy to n-oi k eacept ti l1An sltill.lf£d ROOtS 48 to 00 »>ches yello« l~b-lar(,a nt firm lieurr silt Ioam, brenks
F into pricros 1 to 2 i~~cbes ~rlde aiid then luto angulur Llacks
ertility netrate as tl~e niledio~uiner. Suilflrei~flce mlinlrunoyt~ is~]on,)ilped fedlum ~ires 1'he 3+ lnch thfc2:, neutrat
lift,zard of erosian is u'ocler~,te. ' ~nrl tl~e The testuie of the uPPer subsoil is silty cla-i- or clay .:is
3tore than 95 pei ceiit of tlie zei en~e i, cultir-ateci s tl~a mnch as 10 percent of some aieas consists of 4tlieain, \ aff,
rest is f~,rra ~%oudlofis ~j'l~eat is the elvef casli crola. It Nez Peice, or Palouse caiJC,
1S gTOn'Yl I21 rotltion wltli pens ancl n-rri-een-manuie cion Tliis soil is well ctrained nnd slowly peatine:ible. It liolds
or in n R-lient-fallon- iotltion Othei rro _ arown aiepeas 9 ol IO inclies of «atei tl~at i~l~ts cnn use It is St2cbq
nnd bnrle~•; clore~r oi a1f.11fu~ ~or h~~ or ~en minuie, nnd aud plnstic hen ~-et; consequentlr, it r~n be cciltirntea
grnss for seed hny, or pn_tuie _A11 grnul and giass craps oiily wltlun a rather narrow tange of mo7stti2e confent.
respond to liih ocren. Lenunies lezpan~l to ~ulfur. (Capa- Root penetratian ls ~-ery clee j). T1ze fertilii~• is ii~ecliu~n
bility unit IIIe-1; ~c-ood~and ~roup 5, not in a range site) Surface runoff is rnpid, nnd tlie Iia.zArd of ftiltliei• eiosion
Freeman silt loam, 5 to E0 percent slopea, severely ls severe.
eroded lFos31.-~1ore th~ui 50 erce.nt of tl~e ~lif~ce la~,=er ~~Z~ie t~2zn J3 Peiceut of the ncre~ge is culfii~ ntecl: the
of this ~oil Uas been remo~ ed ~y ero~iov Fertil~t3~ me- st 2s seeded to nlf:~lfa~ or `i zss. ~'lleAt ~ the clilef Cror~
dium to ]u~r. Suiface runof~ is iapid : nd tlle haznid of Other cions ~ro~-n ui~e UarIe nnd drv fie1c1 pens. ill
erosion is serere Ac much as 10 percent of eonie aiess ~ops resi~on~To nitro=;en, sul~ir 1nd laho~horus. (Ca-
consists of uneroded Freemaii sails. pabilitp unit INe-; ; nat ui a n oodland groun or rnnge cite)
The same crops 1re gro-%cu as on Freeninn silt lo.un, 5 to ,
20 percent 0opes= Uut 3jelds 1ie lower. (CapnUilits wut Cai•r, 1SOn SeI•tes
IVe-3; woodlaiid gioup 5, not in a range =ite) Tlie Gai'11s011 SE1•ies is made up of someiclzst escessively
Freeman silt loam, 20 to 30 percent slopes, se,%erely da,amQd, grarelly oi• stonv soils thnt forined wicier ginss
eroded (FoC3) -liore tlian 50 rercent of tlie sui face layer ~91~elal outwasli mised in the upper ps~i~t ~citl> >•olctuiic
of tlus soil l~as been remored by ero~on Sui fnc~ runoff ash
. Tlle-a soils are on ne:tr] Ie~-el to niodei~:~tel ; steep
13 PApi(~, ~id the ero~~on h~znrd is ~er~ie Inrluded ln tErraces. The anuualpreciPit~tiou is 18 to 22 vicl es, and
mnppinG R-ei•e fen- nreas of Delr~ton soil~ the frost-fiee senson is about 1 r 0 dftys.
The same cro s ni e gronn as ou Fi een~r.n silt loam r 5 S o ~ l s o f t l~ e G a r r i s o n se r i e s a r e u s e d f o r a rarie ty o f
to 20 erceiit sapes, but 3•ields ai-e loner. (C'Apnbility crops aud ns f:~r~~steads and snburunu lots.
uuit I~64! woodlnnd group 5; not in i;ange site) Garrison gravell Ioam 0 to 5 ercent slop Il A.-
This is the ominant soil in the Spokane I'.~ey east of
n'esh W8te1' Ma1•fih the city of Spoknne. Most slopes nre between n and 5
Freq-h a-ater marcli (Fml consists of shallow, swampy percejlL RePresentative profile:
ponds and of fringes nround lnves thnt liare n fluctuattn~ 0 to 13 incbes, black, very friuble sraTeUy lown; granular
water ]ecel. The i egetation consists of tu)es, i eeda anci ~'neture ; s~t~bt~s mcsa
15 to 44 incbes, darI:•brnwn, frJaUle rery ~rells loam; aentr+aL
rushes
. Tliese are~s are of ~ttle ralue for ~i az~ng, but 44 to ti0 inches mnlticolored r~na, srasel, aaa covvlestonea
- ~
SPOT.kNE COt'NTY9 WASHINGTOV
The surface color, when moist, i anbes f i am %ei y cl.u l: tlie county. liost slopes are bet-%%een 6 nnd 15 percen
brotcn to blacl:. Tlie teatuie of ihe sui•fnce la er is gi1~=- Represeaitative piofi)e
elly or ~ eiy grai-elly loam or ~alt loam `rhe su~soil r:unbes 0 to 18 JncUes. L]acl.. i cry fr3aLle silt loam, granulur structtm
in color from claik biotiTn to vellowisli biown Cl1y tind neutrnl
lnne have ncrwnullted on the bottomn of the peuUles »i tlie ls co 02 incves, dark•broiin, Srm loam tbnt Lreaks futo prim
lower subsoil• The depth to the gra nt-el substi ltum ran~es 1 to 2 inebes Ide, slisbtts aeid
darl.-Lro~rn, IriuUle loann, slightly acid.
from 30 to ;;5 iiiches 1s inucli~s 10 I~ei ceiit of zonie aY e;is G2 to 72
consists of BonQ oi• Phoebe soils or of otlier G1r llson soils. In plnces the sui•face lnyei• is rery daib bro«n. It is ]
This soil is somewliRt excessn ely dramed nnd 1ias mod- to 1G inches thlck The tetture of tlie sub:oil ran ;es fioi
erntely iapid pei-ineaUilitv. It hnlcis about J 1t1CI]PS Qf silt loam to licrht silty clay ]oani I+'ram 5 to 25 peice»t c
water that pltuits can uie It is en-e-y to ~~oib Roots tlie lower suaoil is composed af gm% eland stones. ,A
penetrnte to tlie ]ayer of sand, grravel, and cobblestones. mucli as 5 nercent of some are.ls cons.~sts of I3ernliil
The ferhlity is medium. Sui faee i tuidt~ is slo~-. nnd the Dear~ ton, or Lnrlon soils.
linzard of eYO.ion Ls si aht Tliis soil is iN eIl clrrwied nnd moclei•ately pei•menUle I
~ About 80 percent of the aci&n;e is c►iltirated; the rect is llolds 3 to 11 inclies of tcater thzit plauts c.nu use It :
used for giazina and as faimCteads or subuiban ]ots e1Sy to wnik. Itaot nenetration is rery dee . Tlie fei
'.1Lost of t]ie acre~ige is irrignted Irrig.~ted areas 1i~e used tility is hj~h Suiface ivnoff ls medium, nn~ the haznr
for orcliard friuts and berries; cabb.Ze, coin, cantlloup, of ero-qion is moderate.
j cucumbers, celei•S, nnd squnsh; nheat, oats, and Wiley: 3tore th;in 30~1~erre~~E.of tl~e lcres~be is cultivated; tli
a1falfa for lin} ;and g~-a~s for seed and pacture Dr~]and rest is grrazed. l17lie.~t ls the c1Uef crop. It is gro~cn i
Areas are usec~ for ~rl~eat, bailey, and itatai e buueh;iass 1•otntion with barley, oats, peas, lentils, nlfalfa, or gras
There is no di~'iculty in the use of macliinei-r but the -U grasS zpd t-rraln ciops respoiid to nrtro en; lebwnE
ra~1 el is hai•d on tillaFe imp]ement, All crops escejit responcl to sulfur. (C€~pability unit III~2;amy iang
~egt~mes i-esl~ond to iuti•o~n. Some cxops re=pond to s~.te; not in awoodlaiid group )
sulfur, boioU, and plios l~orus. (Capabilit~= tllllt IIIS-2; Glenrose silt loam, 0 to 5 percent slopes (CpA) -Tlii
Loainy range site2 not ui awoodland ~roup) soil has a surface ln3•er 2 teo 4inclies thicker tl~an tliat a
Garrison gia~~elly loam, 5 to ~0 percent slopes (G~8).- Gdenrosa silt loam, 5 to 20 peicent slol'es Suiface iuno:
Tlus soil lias a surface ]nti-er 3 to 5 ulclies tl»niier than that is s1ow, nnd tlie eroc-ion llnzflrd is si^'lit. Inrlucled iil mal
of Garrison gi lrelly ]oaln, 0 to 5 percent slopess Runoff Pin.,~~.► were sm111 1i•eas of Uhll~ nnd Dear3 ton soil~
is medinm. and the erosyon li:~zord is moderate 1ti8 sanl8 C1-0ys nie giown as on Glenrose slt IoAm,
Tlus soil is used in mucli the same was ns Gai rlson t0 20 pem,ent slo1aes; in adclition, veaetnUles ni•e orro-%r~
~ crni elly loam, 0 to 5percent slopes CCnpauility unit (Cnp aiYitq unit II~~; L-oam3• rana site, not i.n aA~-ood
Ire-S;.Loamv ranbe site; not ~n NAooc~lwid SlOllp) land giouP) .
Garrison rery graFelly loam, 0 to 8 percent slopes Glenrose silt loam, 20 to 30 pereent slopes iGpC) -Tlij
(GmB) -This soil has a tliuiner, inom bi*a1-e]lr sui face ]arer soil has a. surface ln~*er 3 to 5 inches thinner thun tlia~t o
tl~nn Garrison ~ra~elly loam, 0 to 51~ercent ~lc~l~es, a~~cl Gleiirose silt ]onm, 5 to 20 percent slopes. Sui•face runoi
• holds less thnn 5inc]Ie; of water that pllnrs can u:e Tlie ls i apid. and the erosion huzurd is serere. About 5perrceii
ar1re1 causes estleme «eai• on tillage m1chmei t• 1s of some lrezs conslsts of Beinlull ~.nd Deutyton soils.
niucli ns i~~eieent of some aiels consists of otlier Garrison The snme crons nre biowu as on Glenrose silt ]oam, 5 t
soils. (Cap1bilitp uuit IVe-5; Shallow i•nnge site; not 20 pei•cent slopes but ivore of the acreage is in grns,s ani
in 1woodlnnd broup) leIgilnes (Canability unit IIIe-2; Loamy ranb~*e site
Garrison rery stony loam, 0 to 20 percent slapes nat in a woodland d oup)
(GnB; --'rlvs soil liolds less tl~an 5inclies of n nte~• tl~s~t Glenrose silt loam, 30 to 55 percent slopes (CpD) -Tl~i
plrs,-~ can use, n»d it is too stan3- to Le culti~-ate~l. soil h1s a, surface ]a~er 3 to 5 u~clies tlnnner tlian tl~a.t o
ar~..ch :~s 15 ~~e~•cent of some aieas consists of otlier Garrison Glenrose silt lonm, ~ to 20 perce.nt s]oPes. SurfaCe ruu
so~l~, lncl €~s much as 2perceilt is made up of ~nite oi~ is rapzd, and t~ie erosion hazard is severe. About,
j outciops. percent af seme areiis consists o# Bernhill or Denryta
This sal is used for ~i•1zing. (Capnuilit,y nmt ~'Is-2; soils This soil is used only for ;rAZing. (Cnpabilrt,
Sliallow t:~e ~te; iiot in a R-oodltuid gioup) nnit ~'Ie-1; ~orth Esposure rnn;e ~te; not in a.~ooJ
laiid gioup)
Glenr4Se Sel'ies Glenrose gravelly silt loam, 5 to 20 percent slope;
(GrB) -Tlus soil holds fz•om 7 to 9 inches of wnter thn
f Tlte Clenrose series consists of «ell-diainecimortly plnnts Gan nse. Sinall ai•eas of Bernhill nnd Dezrytoi
.
medium•testtii ecl soils These soils formed und'er grass soils irere included in innl, inn
:~nd scr~ttered pjne tiees , ~n gl1c,~a] till inixed ~.u tlie upper This soil is used ~n mi~c t~ie same was ti.s Glenrose Si]
Pni•t icitli ]oews :tnd rolc.nnic asli 'Mnny ai•eas are gt•al•elly lonzn, 5 to 20 pereeut slopes, but ti~elds are less (Capu
or staiiy These coils 1re neai•ly ]ej-el to vei y steep. Tlie bllity umt I~ e-4; Lo1my iange sate; not ul awoodlnni
annunlprecipitntion is nbout 21 ulclles,lnd the frost-fiee brGlen
ses~san ,s nbout 135 dn~ss i•ose grarelly silt loam, 20 to 55 percent slope;
~
Glenrose -c-oils are used for grnin, peas, lentils, -rebetables, (GrD).-Tliis soil holcis 7 to 9 inclies of nnter that plnnt
aIfs►lfa, and gr1si, and far tri nzine.r. c1n use Surflce runoff is rapid, and the erosion liaznri
Glenrose silt loam, 5 to 20 percent slopes (GpB).-Tliis is sezrere. Included in mappin ;were arens of Bernhi]
soil oceni•s oil glaciated upllncls in the east-centi•al psi•t of silt loam, 30 to 55 percent slopes.
74 sorL svRVEY
TaBLE 6-I3rief descraPtions of satls and threi
Clc►ssiScation
Depth
'.liap Socl name Description of sal and site from symbol surtace
U6DA teature
tn.
DsC Dragoon stony Q-ilt loam, 0 to 30 percent Simdar to Dragoon -vilt losm, 0 Lo 30 pcrcent
slopm slopes, except thnt Lhe surfuae laycr is st-oay
DsD Dragoon stony Filt loam, 30 to 55 pcr-
cenL slopes.
OvD Dragoon very rockq comple-,, 20 to 55 Dragoon part slmflar to Dragoon silt loam, 0 tYo
percent slopes 30 percent Jopes, e.icept that ciepth to bed-
roek runges lrom 10 to 20 inches Rock ouL-
erop included in this complea►
Ek6 Eloika c-ilt loam, 0 to 20 percent elopes liedjum-te-%tured, nell-draiaed soil farmed lrom 0 to 24 Gilt loam__________.
glucial till contamm g s~ larbe amount of %al-
c3rue r~sh in thQ surf~cg la% er, underlum by 24 tv 44 Grarelly loam______.
gravel at depth af 30 to 8$ inches, occupies 44 to 53 1'erp gravelly sandy
uudulatuyg, morrtinelil.e topography loam
53 to QO Gra% el____________.
E IC Elor6s %ery stony silt loam, 0 to 30 per- Similar to F:lod6a Gi1L loam, 0 to 20 pcrcent slopes,
cent slopes exeept that they are %cry sto»y ihroughout
EID T1oil.a %ery stouy silt loam, 30 to 55
pereent slopes
Em Emdent silt loam 1lcdium-textured, somecrhat poorly drteined, 0 to 38 S1lf lOATiI_
allaline soil formed in ullurnjin iraw calcsr-
eous silt, %alcania ash, and diatonite; depth 28 to 41 Z'er}• fiite snndg
t* aater t3ble fluctuutes from nez+r the suriuce loam
to about 6 fec3t 41 to 60 SAady clay loum_
FaB Freemun si1L loum, 3 to 20 pc;rcent Verv deep, rnaderately t%ell drained uplmad eoils 0 ta 22 SdL loaln
slopes Ax ith mediuro-teMured surfnce layer aad medi-
Fa83 Freeman alt loum, 5 to 20 pcrcent itm or moder3ieI), fine Lextured sttbsol, fornied 22 to 72 S1ILy Cldiy IOAIII_____
slnpes, Fererel}• croded frtrm si1L vn rolling to hffly uplands
FaC3 Freeman silt loam, 20 to 30 pcrcent
slapes, se%errly eroded
Fm Fre6h uUtrr marsb. Shnllotr, swnmpv, intermittent ponds and
tnnges around lakes t}uit hm%e n fluctulting
n at;er table Engineering dnta is not gr%en,
as land tvpe is too \ ariable
GaC3 Garfield silt3 clay Ioam, U to 30 percent 1'erv deep, vt ell-drained soil dex eloped in loess 0 to 8 Sdty ejay lonm_____
FlopM sercrely eroded on ndgetops 1nd bnobs on the rolling to hdly S to 23 Sdt3•
upl-inds in the Palouse soil area 23 to 60 SiIty c1av Ioam___
G$A Garrison gra%elly Jonm, 0 to S pcrcent Gravetl<<, medium-te\tured, someHhet exee..q- 4 to 15 Graaelly loam______
slopes sj% eli drnined soils formed in gra-. elli glaciul 15 to 44 1*erv grs►velly loam _
GgB Garnson gra% elly loam, 5 to 20 pcrcent outuash mnterisl from a%:irjety af incid, 44 to 60 Cnnd,gr a\ el, und
&lopes igneous parent rocb on nearl ► le~ el to mod- cobblesiones
crntelr slaprng terraces, dept~ ta mr%ture of
sind, grsi el, und cobblestones rsnses irom
21$ ta 5 feet
GmB Gamson %eiy grn%elly lonm, 0 to 8 Similar fo Garrison gra%ell~ lQam, eaeept ihat 0 to 15 Very gra% eUy loum_
pcrcent stopes ihe stirfgce la) er is \ ery gra\ eJly 15 ta 44 Z'ery grave11y Ioam_
44 to 60 Sand,gravel, and
cabblestones.
Gn6 Gurrison \ ery stany laam, 0 to 20 Cimdar to Garrlson gra-, elli loum, except thnt
percent rJopes the curf.iae ls.N er is . ery .-tony
GpA Glenrose Filt loam, 0 to 5 pcrcent sIapes Very deep, medium-fi,extured, n ell-drained soits 0 Lo 72 Si1L ]oam_
Gp6 Glenrose silt loam, 5 to 20 pereent slopes fonned trom acid ign eovs glacial till, stvfsce
GpC Glenrose si1G loam, 20 to 30 percent lni er inAuenced by loess and volcanic aeh, on
slopes gently rolling to steep uplands
GpD Gletuose sdt loam, 30 ta 55 percent
slopes
SPOKANE COU-NTY, WASBiNGTON 75
e8tim.ated ph.ysical and chemicul Propertzes-ConLinued
~ ClassiScation-Conbnued Percentage pasesing aeve--
A~ailable
Permeabilitiy water RCaction Disperfiion Shrink-swell
A'o 4 A'o 10 No 300 capacaty (1 5 dilution) potentiai
IImfied AASHO (4 7 rnm )(2 0 mm ) (0074
mm)
I» pn Ar ln pa ln oj aoil pN
- ML-CL---- A-4______ 85 to 95 80 t0 95 60 to #0 0 8 to 15 0 17 to 0 20 6 1 to 6 S Aigh_______ Low to mod-
ernte
8M________ A-4 75 to 85 90 to 80 35 to 50 0 8 to 2 5 0 12 to 0 14 6 1 to 6 6 Hish_______ Low
GM A-2------ 30 t4 60 20 to 50 5 to 15 5 0 to 10 U 0 0E3 to 0 09 6 1 to 7 3 High___ Low
GP________ A-l------ 25 to 35 10 to 20 0 to 5 >10 0 04 to 0 06 6 607 3 Higt------- Lox%
liL-CL---- A-4------ 95 to 100 JO to 200 90 to 93 0 8 to 2. 5 0 17 to 0 20 7 3 to 9 0 li,gh_______ Low tc mod-
ernt~e
12L________ A-~_____ 93 to 100 90 to 100 60 to ~0 0 8 to 25 0 17 to 0 20 7 4 to 8. 4 Atodrrate__ La~
CL- A-8...... 95 to 100 90 to 03 83 to 90 0 2 to 0 8 0 17 to 0 30 6 6 to 7 3 Low Voderate
~1iL-CL____ 4-4______ 95 to 100 90 to 100 80 to 90 0 2 to U S 0 17 to 0 20 6 fi to 7 3 RZodcrate___ Low to mod-
ernte
CL________ A-6------ 95 to 100 90 to 100 SO to 90 G0. 05 0 17 to 0 20 6 8 to 7 3 Low I N'Iodcrate
CL________ A-6------ 95 to 100 90 to 100 90 to 95 0 2 to 0 8 0 17 to 0 16 6. 6 to 9 3 Low - \iodcrate
GIi________ A-?------ 95 to 100 90 to 100 90 to 95 0 OS to 0 2 0. 14 W 0 17 8 6 to 7 3 Lotv------- High.
GL________ A-6------ 95 to 100 90 to 100 90 to 95 0 2 to 2 5 0 17 to Q 20 S 6 to 7 3 Low_______ lUoderntle..
SM_______. A-4------ 65 to $5 40 to 80 35 to 50 0 3 t-o 25 0 12 to 0 14 6. 8 to 7 3 TToderate Lotir
GAi________ A-2__-__ 45 to 65 30 to 80 5 to 15 2 5 to 5 0 0 08 ta 0 10 6 8 to i 3 Aioderute___ Low
GP________ A-1------ 25 to 35 10 to 30 0 t-o 5 >10 0 04 to 0 06 6 8 to 7 3 Higb_______ Low
GAi-------- A-2------ 30 to 60 20 to 50 5 to lb 2 5 to 5 0 0 08 to 0 10 6. 1 to 6 6 Aiodernte Low
• GM A-2__-_- 45 to 65 30 to 60 5 to la 2 5 to 5 0 0 OS to Q 10 6. 6 to 7 3 Afodernte___ Low
GP________ A-1______ 25 to 35 10 to 20 0 to 5 >10 0 04 to 0 Ofi 6. 6 to 7 3 High_______ Low.
ML-CL---- A-4------ SO to 95 75 to 95 QO to 85 0. 8 to 2 5 0 17 to 020 6. i ta ? 3 Moderate__ Low to
moderate_
~ - - - - 4~ s x ~r.. --r..~--_- ~ -tii~ L'S'1-4lY~.. ~ - . ~ : , ' ~r. ~.~~~rr~»-~...........~.~.' ~ _ _ _
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y - . - • ~ - - _ _ _ - - - - - - - - - - -
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Ig soM suavEY
occupy rolling to liilly uplands. They foizned in ln:yered tliey are e.cellcnt plnces foi• ]iuntinb migi ltoiy irnterfoNi I.
loess under coniferous forest. 'rhe annual prerapitation is (Capubiuty unit WILr-1; not vi a iNoocllauid gioup or
ubout 23 inches and the frost-free season is ~Uout 123 days. ian;e site)
Freeman soiL are used far grain, peas, clorer, nlfnlfA,
and grnss. and as woodland. Gai•field Series
Freeman silt loam, 5 to 20 percent slopes (Fae).-Tlus
is the domjiiant soil on the silty upland noi•th and east of The Gaifielci sei•ies ennsists of nell-cliyuned, sex-eiell,
Rockford. 3Iost slopes are betrreen S and 15 peicent; a eroded soils tltnt formecl in 1oess under R«ss and sniall
few smn.ll streAS liare slopes of niore tlian 30 percent, and slumbs. 1 hese soiTs oacu1~3T i idgetops, knol~c, and the up-
some of l~s thnn b perceiit. Slopes of more than 24 per- per Flopes on i•ollind to liill~* uplnnds Thet• liai•e a sui•face
cent m short and Ai•e along the eclges of the di•itwngewnys. ]n3 er of Gi1t-v clns Yoam and a subsoil of sc~lt~- c]ny t~tnt is
Represent~tice profi1e : ~ ery hard, StIG~'y, and p]ashc. The :~~unual precipiratiou
0 to ? incbes, rery durb grnyi.b brown, friable silt loaw; 1S ZS t0 22 I11CI1@S, and the frost-flee _enson 28 aliotit 140
g►ranulnr stracture, neutrul du$
7 to 17 incbes, brown, triable silt laam, grayisb brown, at a These soils nre nsecl mauilti• far gr~in, nlfAlfa, and ~i ass
aeHth or 12 iDCbes, ncutral Garf eId silty clay loam, b to 30 percent slopes, serere-
17 tp 23 lncLes, grusjaD-broR*n, 8rm sllt lot~m tbat brenl.s into •
s- to 2•incb Drla~ns; neutra~. ly eroded (GoC3).-Th~s soil occupies the n1i•row i•idgetop~
22 to 72 lnebes, dark-Lron n, flrm siltr clus loam, ulmost sflt and upper sloPes on ]oessnl uplnn(]s ui the soutlienstea•ii
loam, breaks into prisms 1 to 2 inebea rrSde, and wen tnto plrt of the county Most Jo~ ai e bet~-een S ancl 20 per-
angalar biocks % ineb to I inch c~t8e , neutral cent; n fe~~ smt~ll areas hare slol~es of moi•e t11tu130 pei ce»fi'
The surface soil, wIien moist, ranges fi•om VelT dark and some nnrio,%v ridgetops li:►% ecopes of le-ts tlinn 3 Pei•-
g-rayish brotrn to daik brown in colar. Tiie texture of the ceut. Renresentative piofile:
subsoil rsazres from heavy silt loaui to silty clav loam. o to S lnebes, dark-bro« a, tirui siltF clay loam; grIInulIIr $truC-
As much 1s 7 Percent af some nre,as consists of Lnrkui, ture; neutrul
DertrTton, or sererely ei•oded Freemau soils. s to 48 ineves, aarb•wrown, firm eilty clay, rellonissl,-brown
This is n»>odera tely well ctrnined soil that h:ts m reiy Etlty ctuy lonm uelow a deptb o4 23 incbes, breaks into
slo«l erinenble subsoil and is satui•ltecl for short eriods PrIsm ~ 1 inch to 2 inches ~~Ide and then into angnlar blocl:s
Y~ P ~ to A_ iucb thick, clar fllms coAt tLe prisms and angalar
in spring. It holds nbout 5 to "r 1nclies of R-nter that lu.nts tilocks, neutral
can use. It is eey to n-oi k ascept n hen s1tui•nted. oots 48 to ao sncues yellon-ish-Lrun n. fii m heurr Filt laAm, 1►reak~
yenetrate ths lower laj-ers mainly- nlon= ped fnces. Tlie into nricros 1 to 2 inehes trfde and tlien 3uto ansalnr ulocl.s
ertilit is nieciiun~. Surft~ce runoff is medium' and tlie ~ ta tncb thick; neutrul
h€tiza,rd of erosion is mocternte. Tlle teature of the upper subsoil is silts clni• or c11y. As
Ator+a thnn 93 percent of the acren~*e ~ cultivated • the mnch as 10 percent of some aieas consists of :4fihenn, T ~aff,
rest is f~,rni woodlots. ~'~ieat is the cluef cn~ cror. It Nez PercR, or Palouse soils.
is ;roR'u in rotntion nith Peas and n green-manure crop This soil is well dmined iuid slon ly peinnenble It, holds
or in n trhelt-fal]oiv rotation. Other croP~ ° ~ arown arepeas 9 or 10 inclies of water tlint plnnts can use. It is ctick,y
n ~last~c ~~~en tret• con~~etuent~~• ud barlei • clorer oi• 1lfnlfa for hRr ai• ~reen m~►nure • and and 1 s I
gr or nstu~e. ~1~ ~i nin and ~*r€~ crops onlv ~-ith~tn a r:~tliei• nstri o« t~anae ~of it c.~tn be moistui e ctilt~rnted
content
ass for ceed. har. ' I~oot enetrntion is 1•ej`Y clee 7~he fertiUtti ~s niedit~~»~
respond to nitro~en. ~numes irsroiid to tiulfur. (Cnp€~-
bil2t3• un,t P • , 1 Surfnce runoff is rzPicl, nncl t~lt l]aZat'C~ Of f112'tl1P1 C205]Qll
~ IIIe~; noo~nnd~roun 5; not in a ran~e site)
Freeman silt loam, 5 to 20 percent slopes, severely i$ serere
•
eroded (Fo63).-IIoi•e than -oQ percent of tbe ~irface layer =~ioie thnn 9-0 pei•ceut of the ncreabe is ctiltir-atec1 ; tl~e
rest is seeded to zlf€~lfa or ma~. 1~ l~eat is tl~e cliief ci•o
of this soil lins been i~emot ed by eraioii. Fei~tilitv is me- ~ Oth _t
dium to lo~~. Surface runoff is rnpid and tlie hnzat•d of er ci•ops nro~rn ~i•e barle3~ nnd dr~~ fielcl pen~. 1
erosion is serere. AQ much as 10 peicent of $ome r►reas ciops responcfto nitro,7,n, sulfiir, and pliosphoi•us. (Ca-
consists of uneroded Freeman soils pabilltr wut IVe-3, not in a N% oodlauYd group or r1nge site)
The s.-une croPs are grown as on Fieeninn silt lonm, 5to , .
20 pei•cent slopes, but ~ields aie Io~-er. (Capabili~ unit GSi'2'1SOri Sel'leS
I~~e-3; woodl.und group g; not in a rg►iige site) ~e Gai.lison series is made iip of some«hat eccet-eii ely
Freeman silt loam, 20 to 30 percent sIopes, severely drninecl, ;►ravells or stan~ soils~ tliat for~ned uncler ~.~s
eroded (FaC3): Diore t1~an,50 percent of the surface luper in glncinl ont~cttsh ~nixect in the npper pnit ~citli rolcauic
of thxs soil has been ren~oi ed bs eroz-iou Surfnce runoff -ish. These soils are on rieai•I lerel to mocler:►tel steeP
is rnpid, and the erosion hazard is cet ere Included ia ~rra~, ~e nnnual preripitation is 18 to 2? uiclles, :utd
mappin€ were a few a-rens of Dear3-ton soil;. the $•ost•fi•ee seaEon is about 1 i 0 da3•s
Tbe same croPs are ,grown as on Freemzn cilt loam, 8 Soils of the Garrison series ni •e u
to 20_percent slo~ , but yields ai-e lower. (CAPAbILty sed for a ~ nrietr of
unit I~Te-3; woodland group 5; not in rnnge site) cro s and ns fnimsteads and suUurbnn lots.
arrison graveliy Ioam, 0 to 5 percent slopes tGgAl.-
This is the dominant soil in tlie Spobune Vnllev east of
FI•esh Iti'ater 1lZarsh the cit~► of Spokane. ~Iost siopes are bet~e ~~and 5
Fresh wafer marsh tFm1 consists of shallo~v stcam Perceut. Representatire profile:
' 'py 0 to 13 incLes blaek Qe~ iWly frinble loam •
ponds uad of fring~es nround lakesthnt hace a~uctuut~ng ~ctnre; s~igbt~s acta
~
water lsvel. The rege#,ation consists of riiles, reeds, and 15 to 44 tnebes, anrk•bro%rn, frittbie t
rushes. Tl~ese arens eI= nentral.
:ire of littie rnlae for gz~zing, but ~ to so fncbes mnlticolore8 san , graza'nd cobblestoaes.
81ROiiAN! OOUNT1f Ei~D~N~A
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SPO"NE COU:VTY) WA&HI.\GTON' 19
The surface color, nUen moist, rail;es fiou> >eiy daik tlie county. 'Most sloPes aie bet,%Neen Q nnd 13 pcrcciit
bi•osrn to bluok. Tlie te.tture of tlie surfitce la er is grur• Representa,tire Pt•ofile:
~ elly or ~-ery gi•ati elly lonm or silt ]oam. Tl~e su~~oil rnnges 0 to 18 fnelies, Llack,~ ery frtaLle sllt lonm; granular stractuie.
in color f2•om dark bi•o~ru to ~ ello~~~U bio«i~. Clny nnd neutruL
lirae hnre accwnulated on the~bottom of tlie nebbles in the 13 to Q? isiehes, aurx-t,rown, Rrm loam tbat breaks into prisms
lower subsoil. The depth to the grnvel substiltum ran~*es 1 to 2 inches a 3de , sligbtlF ttcid
fibm 30 to 35 inclies. _~s much ns 10 1~erceiit of some arels 02 to 72 -l-, dark•broii n, frittble loam, sUgbtly mcld,
consists of Bong or Phoebe soils or o f other Gai-iison soilg. In pjaces tlie sui•fnce lnver is rery dark broicn. It is 10
This soil is somewltlt escewitiely di-ained and Ilas mod- to 10 inclies tliicl:. Tlie texture of the subsal rnnges from
eiately rapid permenbibty. It holds nbout 5 inches of silt loam to ligUt silty clas lonm. From 5 ta :25 pei•cent of
ticater that plants enn use. It is easy to woi•k. Roots the lowex subsoil is coinposed of grarel and stones. As
&;ie netrate t~o the la er of sand,, gruvel, nnd cobblestoues. much as 6 percent of some arezs consists of I3ernlull,
ferhlity is me~um Slllface runoff is slow, and the Dear~ ton, ar Larkin so21s.
, hmzard of erosion is.l1ght Tlijs sa►il ls irell drlined nnd moderntely i3e2metible It
Abont SO percent of-the acreage is cu1tii-1ted; tue rest is halds 9 to 12 inclies of water that nlannts c1n use. It is
used for gra zig, and As farmstettds or subuiba,n lots. easy to work. I:oot penetration is i•ers cleer. The fer-
:1lost of the acrelge is irrigated. Irribated 1i~eas are used tility is lii~~i. Suiface rrunoff is meclium, nnd the hnznrd
for orchard frtuts and lierries; caUbage, corn, cantaloup, of eibsion is moderate.
cucwnbers, celers, and squash; wheat, oats, and barley; More than 90 ~ercent of tbe ncienge is cultirated; the
alfalfa for h€~ ; audgra~s for seed n,nd pasture. Drslund rest is gi•nzed. ~~'hent is the cliief croP. It is ~,n•o~rn in
areas are uce~ for wheut, barley, and nntive buucbgrnss. 1'OtAt10II 1r1tl1 bAPlQy, OatS, p8ilS, lEI2tllS, nlfnlfa, or grnss.
There is no difficulty in the use of machiner,r, but the -4u brASS 1nd grain crops i•espond to rutro en; legumes
rati•el is ~i•d on tillagg implements .All crops eacept 1~Pondto snlfur. (CapaUiUty unit IIIe-2;amy rang8
~e~umes i~espond to nitro~*en. Some crops re~-Pond to slt$: notin a~coodland grouP )
su~fur, boran, and phosphorus. (Cn~pab~litc unit IIIs-~; Glenrose siIt loam, 0 to 5 percent slopes (CpA): This
Loamy rnnge site; not in awaodlnnd group) so~l bas a surface la3er 2 to 4 inclies tluc.ker than thnt of
Garrison grat•elly loam, 5 to ZO percent slopes (G96).-- Glenroso silt loam, 5 to 20 percent slopes Surfstce i•unoff
This soil has u sur#nce lare,r 3 to 5inclies thinner thnn tliat is slow, and the eraion baznrd is shrrht. Included in mup-
of Gari-ison grarellg loain 0 to 5 percent slopea. Runoff PSo wem ~all areas of Ulil~b nna Deur~-ton soils.
is meditun~ 1nd tlie erosion ~iazard 2s moclerntE. same crops niB gi•oR-n as on Glenrose silt loum, 5
This s021 2s used 2n much tlie szrfle nRy as Garrison to 00 ~rcent slolaes; i.n add~tion, ~'egetables are gran~i.
~rtrellv ]oam, 0 to 5percent sloP~ (C1paUility~ unit (Capa ~ty uiut IIe-2; Loamq rau„me site; not in a tirood-
~ IZ e-5; Loamy runba site; not in a~-oodland gi•oun) lnnd group) _
Garrison rery gravellp loam, 0 to 8 percent slopes Glenrose silt toam, 20 to 30 percent sIopes tGpCl.-Tiiis
IGmB).-This soil bas a thuiner, more gracelly surface laser soil hus a surface 1nSer 3 to 5 inches tUiriner thnn t1tat uf
thnn Garrison grare]lr loam, 0 to 5 perCent slc►pes, nnd GYenrose silt lonm, 5to 20 perceut, 0opes. Surfnce runoff
' holds ]ess tban 5inche; of water that plants can u=e. The is I`aPld, aud tlYe erosion hazai d is se'rere. About 5 percent
gr:►vel caufies extxvine .reni on til]1ge machuiery. As of some nreas consists of ]3ei•n1ull und Dearston soils
much ns r rercent of some nrens consists of other G:errison Ilie same crops nie biown ns on Glenrose silt loan. 5 to
soils. (CnpabiIity uiiit Ir'e-5; Shnllow i1nge cite; not 20 laercent slopes, Uut more of tlie ncretk."e is in gr.1ss niid
ina woodlnndgroup) 1e,-&.pimes. (CannUflity linit IIIe4; L&mv rauge site;
Garrison very stony loam, 0 fo 20 percent slopes unt in awadclland groun)
IGnB~ 'rlus soil liolds less tlinn 5inches of wnter thu.t Glenrose silt loam, 30 to 55 percent slopes (CpD) --Tl3is
„ plr~, cnn use, nnd it is too ston.r tcr Ue cultirnted. A.,,~ soil 1ins asurface lnN er 3 to 5 uiclies thinner than thut of
ans 15 percent of some areas consists of other Garrison Glenrose silt loam, 5 to 20 perreut sloPes. Surfnce run-
'soils, cuid as mucli :ts 2 perceiit is made up o# gTanite aff is rapjd, and the erosion hazcrd is severe. About 3
outcrops. percent of soine areas consists ot Beriihill or Dearrton
; This soiI is usecl for gi nzinb. (Cnpnbility iuiit VIs-2; soils. This soil is used onlq for 91"1.119• (Canabilitv
Shallaw range site; not in a woadland gioun) unit VIeTI ;-North Esposure i nnge Slte; not in a nood-
lnntl gioup)
GleYU•ose Sei'ie9 G lenrose grarelly silt loam, 5t0 20 percent slopes
~ (GrB).-Z`his soil ho]ds froni 7t0 9 inches of irnter that
Tlie Clenrose series consists of well-drained. mostly Plants cnn use Sm111 ai•eas of Bernlull and Dea"n
inediuin-textured solls Tliese soils formed under grass soils srere included in maP ~ing.
and scs~ttered nine trees in glnclal till miced in the upner T]ijs soi.l is used in inuc~i tTie same wa3 as Glenrose wlt
pnrt «ith loess and volcanic a-ch. rinny nrens nre grarelly lonm, 5 to 20 percent slopes, but yields are less. (Cnna-
or stonv. These soils Are nearly ]erel to rei-y steep. The bllity unat n'e-4; Lonmy ranbe srte; not ui a rroodlnnd
annual precinitntion is about 21 inclies, and the frost-free grp1ip)
senson is ai~out 133 dass. Glenrose gi•avelly silt loam, 20 to 55 percent slopes
Glenrose soils are used for grnin, pe:ts, lent2ls, regefables, (GrD).-Thls soil holds i to 9 inc}ies of water tlYnt plants
alfnlfa, and gi•1ssa nnd foi• ;rnzing. cnn use. Sili-face runoff is rnpid, :tnd tlYe erosion hnznrd
Glenrose silt Ioam, 5 to 20 percent slopes (GpB).--This is serere Included in mapping were nreas of Bernhill
soil occurs on glacinted uplnncls in tlie e:tst-ceiitrnl nart of silt loam= 30 to 53 percent s]ores.
RECEIVED
MAY f 4 1993
vrv/Y1 ~«~,ry rrrP~~ ~ a
4..
WCOUNNOWER
.
74 sau. sURvEx
fiAstir, 6-13nef descriptions af sm& and their
. C1ar,sificatf on
Depth
Alap Sod name Descriptian af soxl8nd site from
symbol &urt'sce USDA tea,tuze
rn.
baC Drsgaan stonY inli.loam, 0 to 34 percent Similar to Dragoon mlt laam, 0 to SO percent
slapes slopss, escept t,hat the surface ]ny er is stony.
DsD Dragflon ston9 stlt loam, SO to 55 pcr-
e:ent slopea.
OvD Dragoaa verp xoel.p complex, 20 to 55 Dragavn part sinular to Drsgoon si1+G loam, 0 to
pes+eent s3opes. 30 pe rcent slopes, raccept that clepth to bed-
roek raaages frpm 14 to 20 incha5. Rock out-
crop Iscluded ia this c{omplex
EkS EloSka silt laam, 0 to 24 pernent slopes :liedium-textured, tireu-drafned s+fl formed from 0 to 24 Silt laam..
glacitil xi11 caMtainng a large amount of aI-
caniQ ash in the swrfnce late1', underlsia bp 24 to 44 Gra% e11y loam
gravei at depth of 30 to 66 inehes, aceupies 44 to 53 VerY 6ravellp si►ndy
andnlstmg, morainelsLe topagrapby. luam.
53 to 80 Gravet---_---______
EIG EWika rery 9tony ailt loam, Oto 80 per- Simila►r W EIaWasilt laam, 0 to 20 percent stflpes,
cent sloges. eNaept that ihey sure very stony thraughflut
EID Eloiks ver~ stotty ailt laarn, 30 to Sb
percen6 slopes
Em Emdent si141aam I►iQdium-testured, somewhat poarly drained, 0 to 26 sgt loam_ _ _ _ _ . _
nlkaline sail lormed in a3luti•ium from ca]car-
ecsus silt, %oJ,cgnia ash, snd diatouxte, depth 26 to 41 1rery fine sandy
toticater tu6le iiuctuafes from near f.he surface Iaam
to about S feet 41 t~a GO Sandy elsy loam----
Fa B Fraeenan silt lasrn, 5 to 20 perr~t Verv deepl maderatcly fi eil d.ramed uplantl soib 0 to 22 Sflt loam_
sla,pes. tritb medium-tenxturedsurface ia}►er and medi-
Fa E33 Freeman sgt ltram, 5 to 20 pcrceut um ar rnadertitel) Sne #exturecl subsoilr f8I`iltC'd 22 to 72 Sfltp day loutn__
slopes, severely eraded fram sdt on roU3ng to hiIly uplands.
FaC3 Frecmrn ailt lvam, 20 to 30 percent
slopes, severely eroded
Fm Fresh nrater tniLrsb. Shnil~~v~ s~ra~mpg, in#crmitt~ent pands and
fr~n~e5 mround lak~ fhs►L hax e afl~tctuating
n-nt~er table. EngYneeru~g duta ;a not giren,
As 1t►ntl tvpe is tov vanable.
GaC3 Carficld silty clay Ioiim, 0 to 30 pexcent 1'err deep, -a ell-drained fiail de. e2a d in looss 0 to $ SiIty duy laam_-----
sfapes, set erely eroded. t+n ndgetog6 ~.nd knabs oa the rao i~~g to hi~l} 81o23 $ilt~*
upit~nd$ in the Pulouse soil area 23 t0 80 Sdtg clas lvam______
GgA Garruon gravelly lcam, t} to 5 peraent Crr,%ellr, inediurn-te%tured, sorneYSl-ot exee.s- Qta 15 Grk,,relry laam.......
~arrjses sotiely drnfned soils #arnned in gra~•ellg glacial 15 to 44 ~''e~ grntelly~ lot~m--
GEB ou grt►tielly loam, 5 to 20 percent outn•ash matenal frara a-.arjetv of ncid, 44 ra 60 Smd,_grnt-el, an8
dapm lgnQnttS ure~t roak, on nearl~• lc~el to r~sad- rabble~'tan~,
re
erateIy sloping terraces; depth to mixture oi
sand, gru% el, and cobblestnne$ rsages fram
?11 to fi feet,
Gm8 Garraaau %etp gmi elly lastm, 0ta 8Similqr fo Garrisan gmti elly ]ania, except that 0to 16 1'ery gral elly ]onm_ _
psreent slapes ihe surFace In-ver is very ireti ellr. 15 to 44 1}er~r grati e~y lot~m
h~k to 60 Sg~d,gmvel, and ~
eobblestc►nes.
GnB Garrison very sLany toam, Q to 20 SImdar to Garrisoa ~%ellr Foam, exaept tbuit '
gcs c$nt slopm tbe sv rf(iae 1a) er is % ay . tany.
GpA Glenrose siltlasr,x! 0 to 8 perceat stopes. Ver# rleep, medrum-te-Ttured, weUadraineti sails 0 to 72 Sift loara__---______
Gp B Gleurese siit loarn, 5 to 20 percent slvpee. fcmned from aad iuneous gla~oial #iJ1r s~uface
GpC Glersrose silt lnsm, 2(1 to 3~D perr~xt leyer itr~luenced bt laraa and olaanic a.h, aa ~
slQpes gently rolIing to steep upYands.
GpD Glenrose aiit loam, 34 to 55 percfint
sIopc~ RECEIVED
MAY 14 wo
• SPOSAN-B COUNTY, WASSINaTON 75
estinecaied pleysticdd and chema,cdl gnoperties`Comtinued
~ C1smBcation-Contlnued Percentag+e passing eEeve-
Available
- PesmeabilIty % ater ReactSoa Disperslon Shrink-swell
No. 4 N0 10 N0 300 cspaaity (1 • 5 cLlutaon) potential
UnfBed AASYiO (4 7 mm )(2 0 mm ) (0074
mm)
rn sa r,. 11L rd ft,. of .oil pA
,
► AIIrCL_ A-4------ 88 to 95 80 to 95 60 to 70 0 8 to 2 8 0 17 to 0 20 6 l to 6 5 Aigh_____ Low to mod-
crnte
611 A--4------ 75 to 85 40 to 80 38 to 30 0 8 to 2 5 0 12 to 0 14 6. 1 to 6 6 High_______ Low
GAS________ A-2------ 30 to 60 20 to 50 5 to 15 5. 0 to 10 U 0 06 to 0 09 6. 1 t,o 7 3 High__.____ Low.
GP________ A-1------ 23 to 35 10 to 20 0 to 5 >IO 0 04 to 0 06 6 6 to ? 8 High_______ Lon
~
AZL-CL____ A-4 85 to 100 90 t0100 90 to 93 0 8 to 2. 5 0 17 to 0 20 7 8 to 9 0 High_______ Low to mod-
erate
ML-------- A-4------ 95 to 100 90 to 100 60 to 70 0 8 to 2 5 0 17 to 0 20 7 4 to 8 4 riodcrate-_ Low.
CL-------- A-8------ 95 to 100 90 to 95 85 to 90 Q 2 to 0 8 0 17 to A 20 6 6 to 7 3 Low_ _~Iodemte
1iL-GL____ A-4 95 to 100 fl0 to 100 80 to 90 0 2 to 0 8 0 17 to 0 20 6 6 to 7 3 11loderate___ I.oR t.o'mod-
t ernts
. J CL________ A-6------ 95 to 100 90 to 100 80 t-o 90 <0 03 037 to Q 24 6.6 to 7.3 Low AfoderniR
GL-------- A-6------ 95 to 100 90 to 100 90 to 95 0 2 to 0 8 0 li to 0 16 6. 8 to 7, 3 Low I Afcderate
CH________ A-7------ 95 to 100 90 to 100 90 to 95 0 Ob to 0 2 0 14 to Q 17 6 6 to ? 3 Low_______ High.
CL________ A-6------ 95 to 100 90 to 100 90 to 95 0 2 to 2 5 0 17 to 0 20 6 8 to 7 3 Loa*------- r7oderate..
gM A-4 8.5 to 85 40 to SO 36 to 50 0 8 to 2 5 0 12 to 0 14 6 8 to 7 3 Aiodernte Low
GM________ A-2_____- 45 to 65 30 to 60 5 to 15 2 5 to 5 0 0 OS to 0 10 6 8 to 7 8 Rioderute___ Low.
GP________ A-1_____ 25 to 85 10 to ZO 0 to S >10 0 04 to U OB 6. 6 to 7 3 H,sb_______ Low.
GM________ A-2------ 30 to 60 20 to 50 5 to lb 2 5 to 5 0 0 OS to 0 10 8 1 to 6 6 rlodexate___ Low.
. G1Vi________ A-2------ 45 t0 65 30 to 60 b to 13 2 5 to 5 0 0. OS to 0 10 6 8 to ? 3 Aioderate__ Low
GP-------- A-1-_--- 25 to 85 10 to 20 0 to 3 >10 0 04 to 0. 08 6 6 to 7 3 Higb------- Low.
AZIrCL____ A-4______ SO to 95 75 to 95 GO to Sb 0 8 to 2 S 0. 17 to 0 20 6 1 to 7 3 Moderate__ Low to
moderate_
- RECEIVED
F .
MAY 14 VQ3
~d Y t~
RECEIVED
MAY~4 IM
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HAHN E~~~INW, 1NC
OATE0311M3
DRAINAGE CALCULATION SHEET ,
SUBMIrTJt9.. DATE
PROJECT :WELK DRAINAGE ~
-S UBARIEA: l
BAS 1P+1 AREA: 0.09AC CALC_ 6gY:,DAJ '
OVERLAND FLOW: ~
n= 0_4 Tc = C~"OJS
Ct= 0_15 2
L = 110 -00 IFT ,
HI = 0:70 FT Tc 6A2 M! M
3 _ 0-0416 FTJFT ~
Tc iFO ROVERL.AND F UOW: 6A2 M1 N
,
GWTE R F LOW= Zs 50_00 n 0.016 Z1n = 3725_00
'
's = 0.000
E'SrT_ FLOW IDEPTH (D) _ 0-000 FT C) _ 0.00 tFS (F1fa 18)
A= 112. ZD'2 = 0.00 SF V = Q1A = 0.00 FTISE C ,
L - FT 7' _ LJV = t0.00 MIm_ ~
Tc FOR GUTT ER F LOW: 0-00' M1 !V_
TOTAL Tc_ 6A2 M1N_
SNi' ENS,ffY: 2-70 1NIHR (FIC3 _ 2)
C VALUE: 050 PF1G_ 1) Rt~~OVED
APR u o 1993
Q=(C)~~)(A) = 0_13, cfs Cc~► Ca~~ae~ding a CE~VI~
MAY 14 tq
.
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