HomeMy WebLinkAbout1.0 ApplicationBEFORE ]:BOARD OF COUNTY COMMIS. JNERS OF
GARFIELD COUNTY, COLORADO
PETITION FOR EXEMPTION
Pursuant to C.R.li. (1973) Section 30-28-101 (10) (a) - (d) as amended, and the
Subdivision Regulations of Garfield County, Colorado, adopted April 23,1984 Section 2:20.49,
the undersigned fully petitions
the Board of County Commissioners of Garfield County, Colorado, to exempt by Resolution
the division of 40 ' 56 acre tract of land into tracts of approximately -
37'17 & 3'39 acres each, more or less, lrom the definitions of "subdivision" and
"subdivided land" as the terms are used and defined in C.R.S. (1973) Section 30-28-101 (10) (a)
- (d) and the Garheld County Subdivision Regulations for the reasons stated below:
To create a residential building site.
SUBMITTAL REQUIRI]MENTS:
An application which satisf-res the review criteria must be submitted with all the following
information:
A.
B.
Sketch map at a minimum scale of l"=200' showing the legal description of the
properly, dimension and area of all lots or separate interests to be created, access
to a public right-of-way, and any proposed easements for drainage, irrigation,
access or utilities;
Vicinity map at a minimum scale of l"=2000' showing the general topographic
and geographic relation of the proposed exemption to the surroundin9 arca
within two (2) miles, forwhich acopy of U.S.G.S. quadranlle mapmaybeused.
Copy of the deed showing ownership by the applicant, or a letter from the
property orvner(s) if other than the applicant; and
Names and addresses of owners of record ol land immediately adjoining and
within 200f'eetof theproposedexemption, mineral ownersandlesseesofmineral
owners of record of the property to be exempted, and tenants of any structure
proposed firr conversion; and
Evidence o[the soil types and characteristics of each type; and
Proof of legal and adequate source of domestic water for each lot created,
method of rsewage disposal, and letter of approval of hre protection plan from
appropriate fire district; and
If connectir>n to a community of municipal water or sewer system is proposed,
a letter frorn the governing body stating a willingness to serve; and
Narrative explaining why exemption is being requested; and
It shall be demonstrated that the parcel existed as described on January 1,1973
or the paro:l as it exists presently is one of not more than three parcels created
from a larger parcel as it existed on January 1,1973.
A $300.00 fee must be submitted with the application.
Petitioner. ,/)dtdJ fiaz- /(ro<
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Mailing Address;;7i;:*: , {z
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E. Peter Matthies
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DESCf,IFTION
A ?r!C: of lsid t;'rt?€ ir Ssc:is:3c' icv"rthiD 3 Sor;th' trngc 90 Vlrst' rnd stilonl I tnd G'TOwrd{p
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fcsr f,rcnca t5t S 42oa6;48' =-60.00
fclI ih.'lct t6l S O7c3O'OJ' E 569.20 f6t to drt nofdrr$ cofi1a,
oi a tract of laod AEsriUcOin 3ook727 at fagi iai rt Parecl'C'ln 31id Gsfidd Co'ttf 6cq6r: O16
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tll S 6r.ol5'34'w 296.68 fcct ihc:6
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e i""ct of land cescribed in 3ook S34 at Trgc ar 6 oi teid Grrf,cld Cor.nw rccogdr: trta'lca N t3' 10'00' g
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said irac: io :ha SW "ott* cf Rivcrbend SubCiviion ffing No' 1, Courrtf ol Garffltd' Stlre of COlcrrdo:
iheice N St o28,OC. g 560.92 feet along t\c sourh line oi rcid Ritltband SubdMrlon Filing No. t to th'
point of beginning containing 37-353 affls, mors or lcss' .tth tr- -
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rnd ecrosl rhe sourhern portioo of thc.Lira a.raribcd iropcrty foc' the conrtructloo
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iri succG33o., or rr"ilii. d.rr...-.flr-r rori end for thc tr.ntPo?t'tlon ol co't' r'3or'
rock or ninc relltcd mtcrlrl lnd for ai.-..tr,a.nencc of toch frcllttt.r' iotvlCh'3'nd'
ing tlre forcgolng,, thlr rcrcrvrtlon of Gaa...nG rhrll aot onrouOorbly tnCelfrre rlti
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convaltd lnrcby; rnd '
IoctIltER IlIil trcnty-flvc (25) rcrc f.at of ntcr pcryt.r fril th lclcar Dttch tfatr.
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SPECIAL W.q,RRANTY DEED
E.PETERMATTHIESand?E,BRAELENAYATT}IIFS,Graltors,.whoseaddressis
2eG,enEaglec",[:,u;ar:r:liffi lit?i;;Sf H]::#"",',3tHtR"#Siry
ffi;;."d ird valuaule consideraron' :
iNc.,-a,***1lL;il;i;,rr;f Ufjffil^S#,,ti^'*f 'rruSix,lHi,,::'ffi l"'
;i;di,;; iotio*ine real ProPer[ in
AparceloflandsituatedinSertion34,Township5South,Rangeg0Westofthe
6rh p.M. *i s."tion 5, rownf isl"t" n-E"'g6"w;t',t;i th'" 6th P'M' being
more parti*fotfy described as follows:
Beginning at a point on tfre ry1il:'lll5,":i,[3t,"il*flH$i:ruH3!,
;iFE iag as'pucel "Au "1I"ff:#;J';;; of said secuon 34 bears N
ff#t;9"i",'Xtt#ffi Hd:r';'ffi fiilL J"G "'io
westerrv line the
following two (2) courses:
1)
2)
s 42056'48',E, a disunce of 60'00 feet;
s 07 "30' 00" E, I di'!'T 9f 6: 39-t:L'3 n"rl$ru: flU:%ffiii
:ifir.t S"Pd; ii'ffi '.,'rl':r iiffi.,"r,J'; c' in said Garnerd
CountY records;
thencgalongtheNorthlineofsaidParcel.,C,,thefollowingtwo(2)courses:
1) S 68" 15'34* W' ? distance of 286'88 feet;
2) S 88"46'20" 'W' a distance of 180'00 feet;
,,1""."*-,r"'u'os-"w'1d^1T::,:.t^X?";TJ,n:"H:fril"f:;,u1ilB'''ft ;
H:ffi,Ii3;:lg31;*fi "0ffi;:"1J"?'J*[;i;*d'ontaining6s6eacres'ir 299,217 square feet'
with all its aPPurtenances and
Grantors.
warrant the tiile against all persons claiming under us as
SIGNED this I I zl daY of APril' 1993'
STATE OF COLORADO
COUNTY OF GARFIELD
rhe foregoing instrum*t:i:1$::Il1'* before methis'"13''4 dav of April'
bv E.
lrE rurs'v"'" ^"--D'bra Elena Mauhies'
Peter Matthies and
WTTNESS mY hand and official seat'
My commission "*vi'""()1a'''*<,u;7'!l?'
/v
)
)
)*1993,
F :U RSNOG\MATTI t'OR'S$'D
EXHIBIT NAI
,RION HOMES PARCEL: A parcel of land situated in section 34, Township 5 south' Range
g0 west of ttre ott -p.r,n-und s^ection I, i"*rrtip 6 South, Range 90 west of the 6th P'M'
being more particularty described as follows:
BeginningatapointontheWesterlylineofa.tractoflanddescribedinBookT2TalPage
13g as parcel nA" of the record, or tt. ttert and Recorder of Garfield county, colorado'
whence the Southeast corner of said s""tion 34 bears Norttr N 84"02'51" E, a distance of
r3g5.27 feet, thence arong the boundafo- "i*ia
parcel "A" the following six (6) courses:
along a curve to tlre left having a radius of 285.85 feet, arc length of
3g6.23feet, delta -gr" or 7g.2i,!2" , achord bearing of N 07"20'36 E,
and a chord length of 365'26 fe*t;
N 32"22'OO" 'W, a distance of 225'69 feet;
alongacuryetotherighthavinq-1Tdi"of225'00feet'arclengthof
245.59 feer, delta ;;[';firJ{223", a chord bearing of N 01o05'48',
W, and a chord length of 233'58 feet;
4) N 30" LO'23" E, a distance of 17297 fe*t;
5) S 45"58'22" E, & distance of 87'88 feet;
4
6) S 47'56'00" E, I distance of 744'32 feot;
thence s 5g"55,05,, w, n distance of 72g.70 feet to the true point of beginning; and containing
6.869 acres, or 299,217 square feet'
MATTHIESPARCEL:AparcelgfFdsituatedinsection34',Township5south'Range90
west of the 6th p.rtno s^ection s, rot ntnif 6 souttr, Range b0 w"tt oi the 6th P'M' being
more particularly described as follows:
Beginning at a point on the westerly line of u.T"t of land described in Book 727 atPage
13g as parcel "A'-of'tt" records of the"ctert and Recorder of Garfield county, colorado'
whence the Southeast corner of said d;;J4 U*t N 84;02'51" E' a distance of t385'27 fent'
*,.n." along said westerly line the following two (2) courses:
1) S 42'56'48" E, E distance of 60'00 feet;
2) s 07"30'00" E, & distance of 569.20 feet to the Northeast corner of a tract
of land described in g;k 1il utPage 139 as Parcel "C" in said Garfield
CountY records;
thence along the North line of said Parcel "c" the following two (2) courses:
1) S 68'15'34" I, u distance of 286'88 feet;
2) S 88'46'20' W, & disance of 180'00 feet;
*rence N 19o36'05" W, a distance of 499.641Tt; 9t:-t: N 63'35'48" E' a distance of 556'96
feet to the true point of beginning; *o t","i"ini o'aog acres' ot 299'217 square feet'
COUNTY OF GAMIELD
STATE OF COLORADO
1)
2)
3)
SPECIAL WARRANTY DEED
ORION HOMES, INC., Grantor, whose address is 302 Eighth Stieet, Suite 310,
Glenwood Springs, Colorado, 8i60t, for ihe consideration of Ten Dollars and other good and
valuable consideratiot, in hand paid, hereby sells and conveys to E. PETER MATIHIES and
DEBRA ELENA MATTHIES, Grantees as joint tenants, whose address is 29 Glen Eagle Court,
New castle, colorad o, 81c47, the following real property in the county of Garfield and state
of Colorado, to wit:
A parcel of land situated in Section 34, Township 5 South, Range 90 West of the
6th P.M. and section 5, Township 6 south, n tg" 90 west of the 6th P'M' being
more particularly described as follows:
Beginning at a point on the Y/esterly line of a tract of land described inBook727
at Fage I39 as'parcel "A" of the rLords of ttre Clerk and Recorder of Garfield
Courity, Colorado, whence the Southeast corner of said Section 34 bears North
N g4"02'51J E, a distance of L385.27 feet, thence along the boundary of said
Parcel "A' the following six (6) courses:
along a curve to the left having a radius of 285.85 feet, arc tength of
3g6i3 feet, delua angle of 79"25'l2n, a chord bearing of N 07'20'36 8,
and a chord lengttr of 365.26 feet;
N 92"22'OO" 'W, a distance of 225.69 fwt;
along a curye to the right having a radius of 225.N feet, arc length ^of
245.-59 feet, delta anglJ of 62"{2'23", z chord bearing of N 01o05'48'
W, and a chord length of 233.58 feet;
N 30'10'23" E, a distance of 172.97 fwt;
S 45"58'22" E, I distance of 87.88 feet;
S 47"56'O0n E, I distance of 744.32 fent;
thence S 5g"55'05,, W, a distance of 728.70 feet to the true point of beginning;
and containing 6.869 acres, ot 299,2L7 square feet'
COUNTY OF GARFIELD
STATE OF COLORADO
RESERVING to Grantor all oil, gas and other minerals on or under the above described
property, but without any reserved right of surface entry; and
FURTHER RESERVING to Grantor an easement and right of way for the Vulcan Ditch
and for a roadway now existing and in place;
with all its appurtenances and warrants the title against all persons claiming under Grantor'
1)
2)
3).
4)
5)
6)
)) ss.
)
The foregoing instrument wils acknowledged before me ttris Q 3 day of April' 1993'
by John R. Schenk as President of Orion Homes, Inc'
SIGNED this 23tt day of April, 1993.
STATE OF COLORADO
COUNTY OF GARFIELD
WITNESS mY hand and official sql:,
t"ty-.o**ission expires: i -'-) :;--(/ t/'-/'.,ltr, , t, ', , ,, /ii')' '"'' '/'
Notary Public
AFFIDAVIT
RE: BOUNDARY LINE ADJUSTMEI.IT
The undersigned affianb being first sworn upon their oaths, slate as follows:
l.orionHomes,Inc.andE.PeterMatthiesandDebraElenaMatthiesarethe
owners of real property in the ,nin.orpoot O ,tT o.t Garfield County' which is described in
BitriUit ,A" attich.a nlt"to and incorporated herein by reference'
Z, We are desirous of adjusting the boundary lines of our respectiv-e lots and sign this
Affidavit in accoroance with the dfitldtounry subdivision Regulations of 1984'
3. \ile hereby represent that no new lots will be created and therefore, that Garfield
County will not be required to issue *y i"iiAi.g permits, other than what it would be required
to issue for the already existing lots'
4.Weherebyrepresentthatnoneoftheparcelsofpropertyinvolvedinthisboundary
line adjustment is ffi;'f . pttuioutly platted subdivision of record'
5. we hereby represent that the boundary line adjust*"nl'-ud" reference to herein
will not cause the loss of access Uy roaa or gg utilidl', to -y parcel of property involved'
6. We hereby represent that a copy of this Aff,rdavit will be recorded with the
Garfield County Clerk and Recorder'
FURTHER AFFIANTS SAYETH NOT.
DONE rhis .'/3r./ daY of APril, 1993'
ORION
By:
k - Prdsident
srATE OF COLORADO )) ss.
couNTY OF GARFIELD )
The foregoing document rvas subscribed and
Garfield, State o1Co'iorado his{JtZ-day of April'
Orion Homes, Inc.
sworn to before
1993 by John R.
me in the CountY of
Schenk as President of
WITNESS mY hand and official seal'
My Commission ExPires: q'U 'q4
STATE OF COLORADO )') ss.
couNTY OF GARFIELD )
The foregoing document was sqbscribed and sworn to before me in the County of
Garfield, Stare of C'&o*;;thi' ,r.sZ"ii oiepril, 1gg3 by E. perer Ma*hies and Debra
Elena Matthies.
WITNESS mY hand and official seal'
My Commission ExPires: Y,*a
&1,
Notary Public
-
p-I
ACCESS
r;arfielcl CouirLv Roacl & Bri<Jqe
F'.0 " Box 225q
GIenr,'rood Sorings. tlD
Fhone: 3O3*94 5*crI l f
Fa>< : -103* 9rtIi* 09:54
Supervisor
: remiL f or Lhe f ollowinq Perml t'(
PERMIT(s) *t
PETER MATTHlES
c15-93 [;,
To,Jav' s Date : A4'26'' L993
Da be of I ssue Ot+*26-93
Department.
I 1602
-lovtj.
s):
!ame:
ii Lv:
Fhone:
NEN CASTLE
984 - 5C,55
Adclress: OA29 Gf EN EAGLE DR.
ST
F rom: -
F rcnr: OJ-5*93
From: *
From: -
Br:ncl Ilolcler:
ZIF: $r652CO
To:
To r O15-93
ILJ"
To:
Tr:tal tJLilitv
Ta t.a I [r r i veuuav :
"IoIal Or,rer Size:
Tc,tal Over Fleight:
Cir,r rges :
tv Cu t, Pe i-mi ts- l"t 's:
u.ray Pe rini Ls- ltr' 's :
Size Perrnit's*S'5:
trleight, Pe rmi ts-f ' s :
.00
1_5 - OO
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. OCr
nnFax / Aclrni. rr i s L ra L i r:ri
r-ul\,f
i
ield
\n
,Put Perrni t.
( Ye:: o r I'l t:
tl's On Cherc['.
Counbv:
<.+> GARF]ELD COL'hITY ROAI.)
SPECIAL PROVISIONS FOR EXI:AVATIOI'l
1IT fl:o15-93 l-r
& BR]DGE DEF,ARTMEi{T ({">
OF RO/,\D St",RFAC:E ANI.]I INSTfiLLATIOI\I
F}ERMITTEI: : PETER I"iATTHI ES
SUBJECTTOFLTISHFLOODII\IG.I^,ILLHAVEAMI\IIMUM
I,loRt,iAL rL0hl LINE AT I'lE6rRESl- ABUTMEI.IT OR t{11'lc;
AI.IY OVERSIZED MATERIAL (LARGER THAhI ].O II'iCHES IN DIAMETER ) ' TITAT
IS l.lOT UTILIZED Il.l EiACKFILL ti'IILL BE HAULED OFF BY PERI'IITTEE "
L{HENI A PCiVED SURFACE 1S CUT" IT IS TO BE REPLAC)ED I{I'TH A NIi\IIMUM
0F L Li2" ( Ol'lE Al.lD Ol.lE HALF Il.l(jl-l ) HOTMIX ASPHALT, OR A DOUBLE LAYER
OF 3/4 I}.ICH CHIP & SEAI-. O i{A"TCH ORTG]i.IAL RCIAD MATERIAL. A TEMPORAP'Y
pATCH WITH COLD I'lIX ASPItALT I^IOULD BE fTLLOWED. t\IHICH hIOULD BE REPLACET)
r/,trI-l Hor t"lrx ASpHALT OR A DOUBLE LAyER OF 314" CHrPS l^lHEl'l THE hEATHER
OR AVAILABILITY OF MATERIALS ALLOWED 1'I'IE hIORI( TO BE COMPLETED" Ai'I
ASPHALT CUT I/.'OULD REGUIRE THE ROAD TO BE STRAIGHT CUT AI{D SEUARED BY
MEAhIS OT A PAVEMENT CUT'TER, ()HIP & SEAL SURFACE CUTS I^IILL BE CUT SAUARE
AND THE REpLADEMENTT OVERLAy l^tILL BI FT,JLL t^]IDTr-l tJR HALF NIDTH Oi" ROADr^'AY-
tdFtICH EVER IS REOUIRED T0 Il.l$URE Al.l ADE6UATE SEAL OVER THE UNDISTUREED
t:l0RTION OF TnE RCTADNAY Il'l THE VICII.IlTY OF -f HE E;((:IAVATIOI'l -
U,IHEN F'OSSIBLE ALL INSTALLATIONS SHOULD AVOID THE TOP EDGE OF A FILL SLOPE "
I hISTAL LAT I ONS
BURY OF 4 TEE]
NALL -
INSTfiLLAT IONIS
li\IITH A MINIMUM
I3OTTOM OF THE
OPEN TREI.ICH ES
t"tI Nl I l,luM . Al'lt)
IN DRAINAGES
D€EPER THAI'I
AT CULVERT CROSSINIGS NlLL BE BURI[D BEI\IEATH Ti.IE CIJLVERT
SEPARAT]OI.I OF 18 II'ICFIES BETIdEEi'I II'ISTftLLATION AI'ID THE
CIJLVER"T "
ADJACENT TO TIIE TRAVELED ROADI^IAY SHALL BE KEPT AT A
SI{ALL BE BARRICADED I/JITH I4ARI'IINIG DEV]CE5 AFI'ER DARK-
IN A[1EA{$ BE]i!G DIS-TURBED I^IHERE VEGETAT]CII'I I5 ESTABLISHED. RESEEDII'IG
A GRA$S AND CLOVER MIXTURE EITHER BY ITROADCASTII'IG OR DRILLING' NITH
I"IIXTURES sULTABI-d T o THE CLlMAI-IC CONDITIONS OR EXISTIi.IG VE(3E.TATIDN
B E PERFORI'1
GARFIELD C
W I TI-I
SEET'
NILL
PETER I"1A THIES ( F'ERMITTEE }
TYI
I
spECrr.tclAl'1CIi!s,
t - A cjrivewav approacfi i.s undei^stoocl to ire Ll-ral port,iorr O'f tlre irit=th*
r"Jay ri-c1lrl-of*Nav between the pavement-. eclgo ancl tlre tcropertv line which
.is clesiqneC ancl used for Llre irr l-er^change of Lrafl'jc beLr,ueer' Ll-re rr:.:tl-
Nav ioavemenL ancl the abuLting pl^ooei]rtv,,
i:. Ab anv:lnLersecLion" er,lrr^vt::iruav slrall b* resti^ir:led f,:r a suf-
'f icient distalce f rom tlre i nLersect.r.cr it t,o prc,serve Llre': I'rOl^tfr6\l arrcl saf e
nrovemenb oF Lraf f ic. ( IL is racorTrmerr,Ced f oi' rlt i^aI resiclence entiances
that, a rninimurn rntersect,ic.rn clearanc€) af 5O '[eet be provicleci and 'lor
r.ural comrnercia) enLr.ances a. rr :itrimum o"F Io,) 1'eeL be ilFovicie'C- l
J" AIl errtrancBs ancl exit.s shall be so locaLecl ancl consbt^utcLecl Lhat
,rehicles approachirrg or u:sirrg them rarill be ab)e to obtairr a'lequilte
sight distance in lcoth directions along the lrigl-rurrav in c'rdor to rrarreuver
,isa'ieIy and withoub 1n[erfering wibh iriglrwav traffic
ip" The Applicant sha1l not. be pern'rr.t'l-ed Lo erect
maLeriaI. either fixed Dr movable. oll ol^ e,'<l-encling
any sigrn or disPl.aY
over arlv poi^tion
of bhe higlrwaSr ri ght*of *Nav.
y- Geneiatlv" no rTrore llran one;qpproach slrall. be allorre'l any,cari:e1
or^ oropertv Lhe frontage of rnr hiclr i.s less l-harr olre hurrcl recJ (fOO) feeL-
rrdcliLioual entrances or exits for parcels or oroper[y lrav:.nq.3 frontaqe-
irr excess of one hundrerJ (1OO) feet slrall krr; permittecl onlv after
shorrl ing of actual convenience ancl nemessi tv "
6. Al^I drivewavs shalt be so locat.ed t,haL the flarecl partic'n aciiacent
Lo bhe L,ravelecl Nay ni11 nob encroach upon acliorninr-J propert\2.
T. l.lo commercial. clrivewav sl-raIl lrave a r,rriclth greater thari t'hirtv (30)
.fereL measured at ri.<;rht anEIes Lcl tlre cetlLerline of tl-re clrj.vewav, except
as incpeas;ed by 'r*rrissif-,le radii. hio noncornmarnial dri.ver,uaY shai.l
i-rcrve a r,rri,lll"i gieaL,er l-lran l-werrt,\z (20) feet nteasurecl iaL rigirI angles t<:
the cent.erline of the cl rivenray. e>(ce,pL as irrcreasecl bii perrnissitrle racl ir-
8. Ttre exis of "rn .rpproaclr to Llre roacl ma"y be aL a riqhI angle to tl-re
centerline of the higtrnray arncl o'f arrv angle beLween ninetv ( 90 ) degrees
snd si;<Lv (6,JI <legrees buI sh-sIl noE tce less tharr si><ty (':,O) cle.JrEes"
A4.iusL.ment witl be made accordirrgr t.c l-lre type of traf'fjc ta be serveci
and otlre r^ ichysical condi tirrns .
9. The cDnstrucLion of pai^l<iirg or servicinrJ at^eas Dn t,lre higlrwaV
rigl'rt-of-waV is specificall.y prohibit.ed" Off-tl're-roa'l par^king facil-
i. lies shor-r Icl ice prDVidecl b.,v comnrerci;rl esLabli.shmerr l-s for cLl sLorrel^5'
vehicl es.
I0. fhe grarle of enl,rance ancl exi'b shall slope clownward arrd awav'front
t,lre roacl surface at. Ihe sarrre raLe as the normal shou]der slope erncl 'l'ar
fl clisLance equal lo Lhe wiclt,l'i clf tlre slroulclei^ buL in nrt case Iess than
twenty (ZOj feet f ronr Lhe pavenrent- eclge. Approach glracles are restricLecl
to not morB than l-O percrrrlt, ( 1A%i -
lL. A1l dr-iveu,ravs ancl approaclres shei]1 be so corrstructecl tlrat. tlrev
slral^I rroL i.nLerfere rar it.h Llre,Craina(Je 5,r7stern'::f ilre st'reeL ':r hi';lrtivav'
Tl-re Applicar' t wi.Ll be required to pr.crvi.cle., aL l-ris own experi:3e" c;l t^airr*
.rge sLrr:cLurrrs aL en't r.ln,.:;es and t*x:-Ls, r,llricl'r wilI beconte an int'egi^al
pirt of [.he exisLing clrainage system- Tl-re <linrensions nf a1] drairlaele
:sl-ruc1-ures must be approved tcy Lhe *",rrt:1 r:f Ooutrty Conrmissir:i-rei^s ol^
their rBpresentalive prior bo irrstal.laEion'
This permit, slral1 be macle availerbte aL the site whei^e ancl rrhen work is
r done" A work sketch or cl rawing of Ehe proposecl cl riveway(s) must accompanv
r:abi,:n" No permit r,,ril.1 be issued raritlrot-rt drawinq. blueprint" or sketch.
I
I
I
I
I
I
DistrrcL I
Roacl:
F'e rmi t tl :
II]
J$8or5-91 f:
t
I
APPLICAT
GARFIEL[t
IOi'l FOR
CCr LJI'I T\
DR-I\,'El^l AY PERI"IIT
AriPIicat'rorr Dat'e A4-7e''L99i
:l:T.l^:l!li[:::!,:r i;:*,,:t,,[:ii*.|]";:;:?*,illfiii'iili[:;*:'ll[iit:t:'3^ali aprrroa:1,1r,".,r,. proDe.ri iocated r:n t,n* s^ srcle of Ll're to'1=*oo*
:ent L() ADoIlc
allce of 5oo ri.*irlt') fl:ll in.i*cni.a & CRsc)b fot^ the Durpc
ining access'o"'iiiun" REISTDENCE
,f f ,,.3',[]]13"1*.*llll; I:;a?l:?":?irr i :il];:fl"ii'i:i:,:iiti=il;li:ll-
:*':i ;:t.^:ffi:;:i.::i"i;{t':t*::lii:i':"1;::it "l'';;.'o" 1.c:
o.op* rt y r, .*l' i. i
- nutnbelrl?,illii1;l:;i.?lT;:,;l;'l3J !l*":l:?i:;
oosed o.irr*^Ivtsl .and ?:q and-shagre of , area separatrng
to road rnteisectiorr' if arlv' (o) 51ze-'l"I'i'Illn*tr< clisLance or
,Jrivewavs i r' *"i* bhan one aoproacl-" *l
buil<jitrqr(sfu'nl'ottt*r'sLtI"i'''t*u'orinrprovetnents''
.GEt'l ERAI- FR0VI'$I(Jl'l il
FIRs't: rr-ro ApplicanL :::;:::!';.'l; ffi'::::'lr:j:j";;=li..''?3::'ll:""='
Irr..,ri fr'^'* drivewav approacnl::,'";;"";; L, lris prope:'Y,^:n:.l"I".iInr-o1'-^av
bona f ide p|,.oo'* oF.u*'u.,]l;;,,1**o-.* 'Z i.lj*-p.op*rt.u ancl iroL. .for Ihe
oLrrpose of I-i"i-*r.inu*i'i..'=u.rrr-"i,-'e"ruhicles
or"r t** rnacl righ
:il'13;n,'llooB:i'!ii:":!?1"1":!lii"?i:"'i??[ill::::[ffi]?;"H.il";il.dr.ivewayrsi'a,ncl:i"rsappui[*nin**..,1];;;'.ig,r".i_ot--;;..-A]]r,rrork.shal]
kre compr*t*tl"*i'r'ti' io o"I'Jt- rr'* pErnrrt dat'e'
THIRD:TlreLvpe-o'f:on:'t'uct'iorrslra)lbeasclesrqnated'loior-apDroved
H:,:'l?,?:.:1.:,'.r?i!'[:;:];i:?l:;:::'ru":ulill;:::;::ii::[.t"i:=;:]-
Lion and aop io"i of t'l'ie-Bo;;J-ot ct''-rni'y-iJ*n'itt ione rs (r r ther r
i*o.*r*nLative _, -, Lal -
rrouRrH: rrre rravelins p'rblic u'-'ull^'o?':::l:C::i t'iLt|i3":!:"jlj"'"tu
rarion witir-p.aiJe, :u.',ins siqtns '''9 =i'Ilti";i:- l:1 ,?ltt?"3?:":'l?.1'
tee
;:t:t:l;;ai :[i]::ili"i' :l'i:?'"i :i"::;i:;':i ixJ"'l,^ili'
clamage :;''*i'i '.t*d b" reasDn of the e)(:r
f I FTH I The rlpr>i i carrt
i:learai-ice of 6noN" ice
pr'oaclrf esi even thou-ctl-r
Llre Cr:unL)z snon rernoval ooeraLior-rs
SIXTH I In the event i L becomes
fence" Llre r:ost.s Di-'l eit,hei^ srde
bracecl bef ore bhe 'l'errce i:1:r' nu L'
ing f ence " arrd ;:11 irr:st,s anrl wi
trisLricL Road Sunervisor af tlre
SEvEi.lTH: No
or iLs appur
sion Dr [he
EIGI-lTH: Frovisions
alt roads un,Cer the
o'f Garf iel<i (;ouirtv"
..rt Laci-red irereof and
sl-rall assunre resK)onsikrilif.-v for the rerliovaI cj' r
or s.l-eeL uporl an\/'icoi^Ltori of tlre'Crtveirrav ap-
clepositecl or.l the cl riverr,r,av(si in bl-re cour^'s'e o-l'
TrecsssaTV Lo l-efirove aTlv riClht'-o'i*way
i:f i:he entr;lrnce shall be $ecLl rel't'-
Lo prevenL ernv s)acking cif t'lre rerrrai-rl-
re removed sl'rall be burneci over LD llre
Boarcl c,f Countv Contmissiorrer:;''
rerrisions rl^ aclcl i l-iorrs slrarll lc* rna'Ce Ln l-l-re 'lr'irrerzuayi s )
tenances ot^l Llrc-.r riqrlrt*o-f*tlav wrthot-tt tlre Fri^jtten nermj:s*
t3 r:.r r,J o1' tl;ou n Lv (lolllm r ss i t1i l-r€ i^s "
ancl sl?GCificat-.r,:r-rs r:utlirrecl irereiri slralI ar:pIv or-r
iurisdrcLion Df Llre l3'r'ercl nf CourrL'r Commissioners
ialot^adc,. and L:,ire :lpeci'lical-ic'trs' set 'lortlr on t'l^re
j.ncorpor.lted hei^eti'i els c'lncl iIiorrs hei-eof '
SPEC]AL col.l D1"r10Fl I
RESPONS IBLE FDR CI.JT
DRIVE*htAY TCr BE 1.?'
FOR TNO .TEARs F:ROI'I DATE OF DO}{PLETIOi..I
NIDE
In sir;ni.nt; Ll-ris app].j.caIintr anci Upon rBceivir,g autlroi^izaiion and
r;ermiesion t:o install Ehe clriveway ap'roacl-i(es) desci-ilre'C het-etn t5e
-..-.,-.an l-.= F lrm;;;ii;;;i *inrlfies 1-tr.rb he lras rea,l" tJnilerstatrcie;1i-rii acreoLs Lhe
-, .F c t t.^.1- 1- l^rr:r 14i'llJlJLflrolru rr-, I
'fc.,reqoinq ilr^ovisions ancl condit-icns ancl acrtt::-l:.::i:::t:l'-:*:-31.:::;r(Jr(',\:IU,r\"r ;;;;;,; ^ilr-,-i i-''l specil'rcalion plan -revierareclwa\z(s) irr .:rccorclance wj^t'lr Llre 'lcc:omoallvrr.r? :?:::..:"ot' .4ancl ar;provecl blrr t'l're Eoarcl of Ccruritv Ccintmissroners'-/
les:5:$ignecl
( Aclclress )
-lelephorre l'l unrber )
.rrr GR6rr{-rED ruts--ila-oat 0F *jre
i ISIOI'IS. SPECIFlCATMI'IS ' AND CDI'IDITlDNISI 5T
Ag9
D HER
SUBJECT TO THE
I'l
6F,:r Boarcl of CounLv Conrnrissi UI GAT oUl.r Lr'. CoIor-ado
( Si.9na r^e of ApPlicant I
PROPERTY OWNERS WITHIN 2OO FEET
Aent e f' g' t/4'
DOMESTIC WATER SUPPLY
JOEN E. E GITEIIDOLYN COLBY
OO58 RIVERBBIID DRI\IE
ltBrr cAsrLB, co 81647
February 20, 1994
Water Supply for Colby Tract:
Water for the residence as well as for irrigation of a yard and
garden will be supplied by the Dlatthies No. 1 well' Iocated in
Section 34, Township 5 South, Range 90 West of the 6th P.M.cApplicant will purchase with the tract 2 acre feet of y'onsumptive
use as decreed in Case W-2127, Water Division No. 5. Such waterrights above described may be used for year-round municipal use(including commercial, industrial, domestic, irrigation incidentthereto and sewage treatment, including land disposal ) ,irrigation, recreation, fish and wildlife proagation and all
other beneficial purposes' including storage for each of the
above purposes. By the purchase of the tract, Colbyrs will ac-quire an interest in a pumping system described below.
The water is pumped from the Colorado River by a 15 hp pump
through a 5 inch buried pipeline to a point near the northwesterncorner of the Colby tract. From there the water is pumped
through a 2 inch buried pipeline along the northern border of the
Colby tract. Provisions were made during the installation of the2 inch 1ine, that a connection can be made to a branch line to
move water to a point near where a residence may be built on the
tract. The 5 inch line will primarily move water for irrigationof fields north of the Colby tracL while the 2 inch line will
serve up to 2 residences.
SCS SOII,S
110
Soil nzme and
maP tymbol
24r:
Rock
25---
E boe
ou tc roP .
26r z
F arLou---'-
Rock ouiorop.
27r.
HataquePtl
28, 29-----
Heldt
30---------
HeId t
31---------Heldt
32----------Holderncll Varlant
33--------'--
I Idefonso
34---------
I ldefonlo
35r:
I Id e fon so-'
Lazeat ----'----I--
36, 37-------"-Irigul
38r:IriguI----'
Starman----
Septlc tankabsorption
fields
Severe:
sIope,Iarge stones.
Severe:
slope,
depth Lo rock.
Severe:
slope,large st,ones.
Severe:
sIope,depth to rock.
Severe:
slope,
depth to rock,
smaII stones.
Severe:
slope,
Iarge stones.
Severe:
s lope ,depth Lo rock.
TABLE 8.--SANITARY FACILITIES--CoNtINUCd
I Sewage Iagoon
I areas
Tr en ch
sani EarY
landfill
Area
san i Larylandfill
I
II
I
I
II
I
I
II
l5118ht
I Severe:
! slope.
I
I
I
I
II
I Severe:i slope.
I
Poor:
sIope,Iarge s
Poor:
slope,small s
Poor:too cI
Poor:too claycy
Poor:
slope,too clay
Poor:
s lope ,too claycy
Poor:
slope,Iar8e sEo
Poor:
slope,lar8e sL
Poor:
sIoPe 'large s
Poor:
Lbln La'!ef
slope tZriZ iecrtl
Poor:
sloPe,Lhin LaTer
area feel'
Poor:
I
d
Severe:percs sIowIy.
Severe:percs slowIy.
Severe:
sIope,percs slouly.
Severe:
slope,percs slowly.
Severe:
slope,Iarge stones.
Severe:
s1ope,large stones.
Severe:
s Iope ,Iarge stones.
Severe:depth to rock,
slope.
Severe:
slope,
depth Lo rock.
Severe:
sIope,
depth to rock.
Severe:
sIope,
depth Lo rock.
Moderate:
sIope.
Severe:
slope.
Severe:
sIope.
Severe:
slope.
Severe:
slope,
seepaSe.
Severe:
sIope,
seepage.
Severe:
sIope,
seepaSe.
Severe:depth to rock,
sIope.
Severe:
slope,
depth to rock.
Severe:
sIope,
depth to rock.
Severe:
too clayeY.
Severe:
Loo clayey.
Severe:
too clayey.
Severe:
too cIayeY.
Severe:
Iarge stones,
seepage.
Severe:
sIope,
IarBe sLones t
seepaSe.
Severe:
slope,
IarBe sLones t
seepage.
Severe:
s lope ,depth to rock.
Severe:
slope,
depth to rock.
II
II
I Moderate:I s1ope.
I
I
I Severe:
I slope.
II
II
I Severe:I s1oPe.-l
II
I Severe:
I slope,-l seepage.
I)
I Severe:I sloPe 'I seepage.
I
I
I
I Severe:
I sIope,
I seepage.
I
I
I Severe:I sloPe.
It_
I
I
I
I Severe:I sloPe.
II
II
I
I
I
I
Severe:
slope,
depth Lo
Severe:
sIope,
depLh Lo
I Severe:
I sIoPe.
rock. i
II:l
I Severe:
I sloPe.
rock. I
I
I
I
I
slooe,Lhti la'1cr t
iiia re"tt
Poor:
s Iooe ,tnln la./tf
area re"t'
See fooLnote at end of Lable.
105
1I
ap
AREA, COLORADO
name and
symbol
outcrop.
rquepts
ShaI 1 ow
excavabions
Moderate:
boo claYeY.
l,loderate:
too cIaYeY t
slope.
Severe:
sIope 'too cIaYeY.
Severe:
slope.
Severe:
sIope,large stones.
DweI 1 lngs
wi bhout
basements
Severe:
shrlnk-sweII t
Iow strength.
Severe:
shrlnk-sHeII 'Iow itrength.
Severe:
slope tshrlnk-sueII '1ol, strength.
Severe:
s lope tshrink-snelI,
Iow strength.
Severe:
slope tIarge stones.
Severe:
3lope 'Iarge stones.
Severe:
depth to rock,
sIope.
Severe:
slope,
depbh to rock.
Severe:
sIope,
depth to rock.
Severe:
sIoPe tdepth to rock.
I Severe:
DweIllngs
wi Lh
basements
Severe:
shrink-swell 'IoH strength.
Severe:
shrink-sr.leI1,
low strength.
Severe:
slope t
shr ink-suelI t
low strength.
Severe:
slope,
shrink-swe11 'low strength.
Severe:
slope,large stones.
Severe:
slope,Iarge stones.
Severe:
depth bo rock,
sIope.
Severe:
slope,
depth to rock.
Severe:
slope,
depth to rock.
Severe:
slope 'depth to rock.
Severe:
slope,
shr 1 nk- suel 1 .
Moderate:I shrink-sweI1.
Moderate:
shrink-swell t
sIope.
Severe:
sIope.
SmaI I
commerc I aI
buildlngs
Severe:
shrlnk-sweII 'low strength.
Severe:
sIope,
shrlnk-swelI 'Iow sbrength.
I Severe:
I slope,
shrlnk-swelI t
Iow strength.
Severe:
slope 'shrlnk-sweIl 'low strength.
Severe:
slope,
Iarge stones.
Severe:
slope,Iarge stones.
Severe:
depth to rock,
I slope.
Severe:
slope,
depth to rock.
Severe:
slope,
depth to rock.
Severe:
slope,
depth to rock.
Severe:
shrink-sweII 'sIope.
Moderate:
shrink-sweIl 'slope.
Severe:
s lope .
Severe:
sIope.
Local roads
and sLreets
Severe:
shrink-sHeII t
Iow strength.
Severe:
shrlnk-swe1I 'Ior., strength.
Severe:
slope,
shrink-sweI1,
Iow strength.
Severe:
slope tshrlnk-srrell t
Iow strength.
Severe:
slope,
Iarge stones.
Severe:
slope,large stones.
Severe:
depth to rock,
slope.
Severe:
slope tdepth to rock.
:9
it
II
tt
lerne ssriant
34-----------
efonso
efonso--------
37 ----------'gul
8u r----------
T
mphler
Severe:
slope,large stones.
Severe:depth to rock,
sIoPe.
Severe:
slope,
depth to rock.
Severe:
slope,
depth to rock.
Severe:
sIoPe tdepth to rock.
Severe:
slope.
Severe:
slope tdepth to rock.
Severe:
slope 'depth to rock.
SI i 8,ht
Moderate:
slope.
Severe:
sIope.
shrink-sueII,
sloPe.
Moderate:
shrlnk-swel1.
Hoderate:I shrlnk-swe1I t
I sIope.
Severe:
s Iope.
Severe:
shrlnk-swell 'slope 'low strength.
Moderate:
shrink-sueIl 'Iow strength-
Moderate:
sIoPe,
i shrink-sweIl 'I Iow strength.
I
I Severe:
i slope.
I
I
TABLE ?.--BUILDING SITE DEVELOPMENT--Contlnued
footnote at end of Lable'
^ry
Chen€Northern.lnc.C(Jfl(r.'n(l l' ,t rrr r r' ,: (r )( ,j.1 5lr
1;08(r ll,;ar:r :1,-
Git:rtwrrr-rir ljlrr r l, i .r, or,:rrr. F []()l
il0il 1).i! /,11t,
303 9rl) ;1i,,:l i., :, 1r ,
SUBSOIL STUDY FOR FOUNDATION DESIGN
PROPOSED RESIDENCE, COUNTY ROAD 335
NEAR RIVERBEND SUBDIVISION
EAST OF NEW CASTLE
GARFIELD COUNTY, COLORADO
JOB NO. 4 229 92
APRIL 3, 1992
PREPARED FOR
PETER MATTHIES
]476 EAST ARKANSAS
DENVER CO 80231-2562
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April 3, 1992
Peter Matthies
l4'76 East Arkansas
Denver CO 80231-2562
Subject: Subsoil Study for Foundation Design, Proposed Residence, County Road 335,
Near Riverbend Subdivision, East of New Castle, Garfield County, Colorado
Job No. 4 229 92
Gentlemen:
As requested, we have conducted a subsoil study at the subject site, located on County Road
335 near Riverbend Subdivision, East of New Castle in Garfield County, Colorado.
Subsurface conditions encountered in the exploratory borings drilled in the proposed
building area consist of stiff to medium stiff clay soils which are slightly to moderately
compressible under light to moderate surcharge loadings and wetting. One sample showed
a low swell potential. Groundwater was not encountered in the borings at the time of
drilling or when checked six days following the drilling.
The proposed residence can be founded on spread footings placed on the natural subsoils
and designed for an allowable bearing pressure of 1500 psf. Surface drainage should be
provided such that potential overflow from the ditch does not flood the building site.
The report which follows describes our investigation, summarizes our findings, and presents
our recommendations. It is important that we provide consultation during design, and field
services during construction to review and monitor the implementation of the geotechnical
recommendations.
If you have any questions regarding this report, please contact us.
Sincerely,
CHEN\NORTHERN, INC.. I -/'r1 . ;/- rr, ,,. / / (,/?' ' '(_
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Davicl A. Young '
Rev. By: SLP
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TABLE OF CONTENTS
PURPOSE AND SCOPE OF STUDY
PROPOSED CONSTRUCTION
SITE CONDITIONS
FIELD EXPLORATION
SUBSOIL CONDITIONS
RECOMMENDATIONS
SPREAD FOOTINGS
FOUNDATION AND RETAINING WALIS
FI.,OOR SI-ABS
UNDERDRAIN SYSTEM
SURFACE DRAINAGE
LIMITATIONS
FIGURE 1 - LOCATION OF EXPLORATORY BORINGS
FIGURE 2 - LOGS OF EXPLORATORY BORINGS
FIGURE 3 . LEGEND AND NOTES
FIGURE 4 - SWELL-CONSOLIDATION TEST RESULTS
FIGURE 5 . SWELL.CONSOLIDATION TEST RESULTS
TABLE I - SUMMARY OF I..A.BORATORY TEST RESULTS
I
2
2
3
3
4
4
6
7
8
8
Chen€Nofthern,lnc.Consu Irrrg Eng neers and Screnlrsls
PURPOSE AND SCOPE OF STUDY
This report presents the results of a subsoil study for a proposed residence to be
located on County Road 335 near Riverbend Subdivisioq East of New Castle, Garfield
County, Colorado. The project site is shoWn on Fig. 1. The purpose of the study was to
develop recommendations for the foundation design. The study was conducted in
accordance with our agreement for geotechnical engineering services to Peter Matthies,
dated March 17,1992.
A field exploration program consisting of exploratory borings was conducted to obtain
information on subsurface conditions. Samples obtained during the field exploration were
tested in the laboratory to determine compressibility or swell potential and other
engineering characteristics of the on-site soils. The results of the field exploration and
laboratory testing were analyzed to develop recommendations for foundation types, depths
and allowable pressures for the proposed building foundation. The results of the field
exploration and laboratory testing are presented in the report.
This report has been prepared to summarize the data obtained during this study and
to present our conclusions and recommendations based on the proposed construction and
the subsoil conditions encountered. Design parameters and a discussion of geotechnical
engineering considerations related to construction of the proposed residence are included
in the report.
Chen€Northern,lnc.Consull ng Engiheers and Screnlrsls
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PROPOSED CONSTRUCTION
At the time of our report preparation, design plans for the residence were conceptual.
The residence is planned in the area of our exploratory borings shown on Fig. 1. The
proposed building will be a two story wood frame and/or masonry structure with the lower
level a walk-out type basement daylighting to the north. Ground floor will be slab-on-grade.
Grading for the stnrcture is assumed to be reiatively minor with cut depths between about
3 to 6 feet. We assume relatively light foundation loadings, typical of the proposed type of
construction.
If building loadings, location or grading plans change significantly from those
described above, we should be notified to reevaluate the recommendations contained in this
report.
. SIIE CONDITIONS
The site consists of irrigated pasture land south of Garfield County Road 335
between Riverbend Subdivision and the New Castle Energy Mine. The ground surface
slopes strongly down to the north-northwest at about l0 to 75Vo grade. Elevation difference
across the building site is about 3 to 5 feet. There are two irrigation ditches located about
50 feet to the south and above the proposed building site. The ditches are about2 to 3 feet
wide and 2 feet deep and were dry at the time of our field work. Vegetation at the site
consists of pasture and grass and one large cottonwood tree. Vegetation above the
irrigation ditches consists of thick sage brush. There are no residences or other structures
Chen€Nofthern,lnc.Consu lrng Engrneers and Scrcnlrsts
-3-
FIELD E)PLORATION
The field exploration for the project was conducted on March 79, 7992. Two
exploratory borings were drilled at the locations shown on Fig. 1 to evaluate the subsurface
conditions. Two stakes located the general building area but the building site will probably
be 20 to 30 feet to the east of the stakes. The borings were advanced with 4-inch diameter
continuous flight auger powered by a truck-mounted CME-55 drill rig. The borings were
logged by a representative of Chen-Northern, Inc.
Samples of the subsoils were taken with a 2-inch I.D. spoon sampler. The sampler
was driven into the subsoils at various depths with blows from a 140-pound hammer falling
30 inches. This test is similar to the standard penetration test described by ASTM Method
D-1586. The penetration resistance values are an indication of the relative densiry or
consistency of the subsoils. Depths at which the samples were taken and the penetration
resistance values are shown on the Logs of Exploratgry Borings, Fig. 2. The samples were
returned to our laboratory for review by the project engineer and testing.
SUBSOIL CONDITIONS
The subsoil conditions encountered at the site are shown graphically on Fig. 2. The
subsoils consist of about l-1/2to2feet of organic clay topsoil overlying stiff to medium stiff
sandy clays. The clays contained some shale and sandstone gravel size material and
extended to the depths drilled, 15 to 20 feet.
Chen€Northern,lnc.Consullrng Engrneers aod Sc cnlrsls
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l-aboratory testing performed on samples obtained from the borings included natural
moisture content, dry density, and gradation analyses. Results of swell-consolidation testing
performed on relatively undisturbed drive samples, presented on Fig. 4 and 5, indicate Iow
to moderate compressibility under conditions of loading and wetting. One sample (Boring
2 at 4 feet) showed a very low swell potential when wetted under a constant light surcharge.
The laboratory testing is summarized in Table I.
No free water was encountered in the borings at the time of drilling or when the
borings were checked six days following the drilling. The subsoils were moist to highly moist
with depth.
RECOMMENDATIONS
SPREAD FOOTINGS
The subsoils at the site possess variable settlEment-heave tendencies. The risk of
differential settlement or heave and building distress appears relatively low with a properly
designed foundation system. Considering the subsoil conditions encountered in the
exploratory borings and the nature of the proposed construction, we recommend the building
be founded with spread footings bearing on the natural soils below all topsoil.
The design and construction criteria presented below should be observed for a spread
footing foundation system. The construction criteria should be considered when preparing
project documents.
1) Footings placed on the undisturbed natural soils should be designed for an allowable
Chen€Northern,lnc.Consullrng Engrneers and SOenlrsls
2)
3)
4)
-5-
soil bearing pressure of 1500 psf. Based on experience, we expect settlement of
footings designed and constructed as discussed in this section will be about 1 inch.
Some additional settlement or heavecould occur due to wetting of the bearing soils.
The footings should have a minimum width of 16 inches for continuous walls and
2 feet for isolated pads.
Exterior footings and footings beneath unheated areas should be provided with
adequate soil cover above their bearing elevation for frost protection. Placement of
foundations at least 36 inches below exterior grade is typically used in this area.
Continuous foundation walls should be reinforced top and bottom to span local
anomalies such as by assuming an unsupported length of at least 12 f.eet. Where at
all possible the foundation loads should be carried by continuous footings and heavily
reinforced foundation walls which can better withstand differential movement.
Foundation walls acting as retaining structures should also be designed to resist
lateral earth pressures as discussed in the "Folrndation and Retaining Walls" section
of this report.
All existing fill, topsoil and any loose or disturbed soils should be removed and the
footing bearing level extended down to the stiff natural soils. [f water seepage is
encountered, the footing areas should be dewatered before concrete placement.
A representative of the soil engineer should observe all footing excavations prior to
concrete placement to evaluate bearing conditions.
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6)
Chen€Northern,lnc.Consu lrng Engrneers and Scienlrsls
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FOUNDATION AND RETAINING WALI-S
Foundation walls and retaining structures which are laterally supported and can be
expected to undergo only a slight amouqt of deflection should be designed for a lateral earth
pressure computed on the basis of an equivalent fluid unit weight of 50 pcf for backfill
consisting of the on-site soils. Cantilevered retaining structures which are separate from the
main residence and can be expected to deflect sufficiently to mobilize the full active earth
pressure condition should be designed for a lateral earth pressure computed on the basis
of an equivalent fluid unit weight of 45 pcf for backfill consisting of the on-site soils.
AII foundation and lstaining structures should be designed for appropriate surcharge
pressures such as adjacent footings, traffic, construction materials and equipment. The
pressures recommended above assume drained conditions behind the walls and a horizontal
backfill surface. The buildup of water behind a wall or an upward sloping backfill surface
will increase the lateral pressure imposed on a foundation wall or retaining structure. An
underdrain should be provided'to prevent hydrostatic pressure buildup behind walls.
Backfill should be placed in uniform lifts and compacted to at least 90Vo of the
maximum standard Proctor density at a moisture content near optimum. Backfill in
pavement areas should be compacted to at least 95Vo of. the maximum standard Proctor
density. Care should be taken not to overcompact the backfill using large equipment near
the wall since this could cause excessive lateral pressure on the wall.
The lateral resistance of foundation or retaining wall footings will be a combination
of the sliding resistance of the footing on the foundation materials and passive earth
pressure against the side of the footing. Resistance to sliding at the bottoms of the footings
Chen€Northern,lnc.Consull ng Engrrreers and Screnlrsls
-7 -
can be calculated based on a coefficient of friction of 0.30. Passive pressure against the
sides of the footings can be calculated using an equivalent fluid unit weight of 300 pcf. The
coefficient of friction and passive pressure values recorlmended above assume ultimate soil
strength. Suitable factors of safety should be included in the design to limit the strain which
will occur at the ultimate strength, particularly in the case of passive resistance. Fill placed
against the sides of the footings to resist lateral loads should be a granular material
compacted to at least 95Vo of.the maximum standard Proctor density at a moisture content
near optimum.
FLOOR SI-ABS
The natural on-site soils, exclusive of topsoil, are suitable to support lightly loaded
slab-on-grade construction. There is a risk of settlement or heave, mainly if the soils
beneath the slabs were to become wetted. To reduce the effects of some differential
movement, floor slabs should be separated from .all bearing walls and columns with
expansion joints which allow unrestrained vertical movement. Floor slab control joints
should be used to reduce damage due to shrinkage cracking. The requirements for joint
spacing and slab reinforcement should be established by the designer based on experience
and the intended slab use. A minimum 4-inch layer of free-draining gravel should be placed
beneath basement level slabs to facilitate drainage. This material should consist of minus
2-inch aggregate with less than 50Vo passing the No. 4 sieve and less than 2%o passing the
No. 200 sieve.
All fill materials for support of floor slabs should be compacted to at least 95Vo of
Chen€Northern,lnc.Consuilrng Engrneers and Sclenlisls
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ma"rimum standard Proctor density at a moisture content near optimum. Required fill can
consist of the on-site soils devoid of vegetation, topsoil and oversized rock.
UNDERDRAIN SYSTEM
Although free water was not encountered during our exploration, it has been our
experience in this area that local perched groundwater may develop during times of heavy
precipitation or seasonal runoff. Also the ditches above the residence could flood the site.
Therefore, we recorlmend below grade construction, such as retaining wall, and basement
areas, be protected from wetting and hydrostatic pressure buildup by an underdrain system.
The drains should consist of drainpipe placed in the bottom of the wall backfill
surrounded above the invert level with free-draining granular material. The drain should
be placed at each level of excavation and at least I foot below lowest adjacent finish grade
and sloped at a minimum lVo to a suitable gravity outlet. Free-draining granular material
used in the underdrain system should crlntain less than ZVo passing the No. 200 sieve, less
than 50Vo passing the No. 4 sieve and have a ma,rimum size of 2 inches. The drain gravel
backfill should be at least 2 feet deep.
SURFACE DRAINAGE
Surface drainage is an important aspect of the site to prevent damage to the
residence. The following drainage precautions should be observed during construction and
maintained at all times after the residence has been completed:
1) Excessive wetting or drying of the foundation excavations and underslab areas should
Chen€Northern,lnc Coqsullrng Engrncers and Screol sls
2)
3)
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be avoided during construction.
Exterior backfill should be adjusted to near optimurh moisture and compacted to at
least95Vo of the maximum stand-ard Proctor density in pavement and slab areas and
to at least 90Vo of the ma,rimum standard Proctor density in landscape areas.
The ground surface surrounding the exterior of the building should be sloped to
drain away from the foundation in all directions. We recommend a minimum slope
of L|inches in the first 10 feet in unpaved areas and a minimum slope of 3 inches
in the first 10 feet in paved areas. This will require a swale at the uphill side of the
residence.
Free-draining wall backfill should be capped with about 2 f.eet or more of the on-site
soils to reduce surface water infiltration.
Roof downspouts and drains should discharge well beyond the limits of all backfill.
LIMITATIONS
This report has been prepared in accordance with generally accepted geotechnical
engineering practices in this area for use by the client for design purposes. The conclusions
and recommendations submitted in this report are based upon the data obtained from the
exploratory borings drilled at the locations indicated on Fig. 1 and the proposed type of
construction. The nature and extent of subsurface variations across the site may not become
evident until excavation is performed. If during construction, fill, soil, rock or water
conditions appear to be different from those described herein, this office should be advised
4)
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Chen€Nofthern,lnc.ConsLrll ng Engrneers and Scr{)fl sls
-10_
at once so reevaluation of the recommendations may be made. We recommend on-site
observation of excavations and foundation bearing strata and testing of structural fill by a
representative of the soil engineer.
Sincerely,
CHEN(-NORTHERN, INC.
David A. Young
Reviewed By
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Steven L. Pawlak, P.E.
: I 5222 .3
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Chen€Nofthern,lnc.Consullrng Engrneers aod SOenlisls
APPROXIMATE SCALE
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4 ?29 92 Chen€Northern,lnc LOCATION OF EXPLORATORY BORINGS Flg. I
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Boring 1
EIev. = 97'
Boring 2
Elev. = 100'
Assumed Lower
Floor Level
9/12
y1g= 16
pp=113
-200=82
rrl12
l.lC= l2
DD=12114112
WC=1 1
DD=122
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WC=13
DD=1 14
-200=69
6112
|.{C=15
DD=l l6
9/ 12
WC= l4
DD=l l7
6112
Note: Explanation of symbols presented on Fig.
4 229 92 Chen€Northern,lnc Logs of Exploratory Borings Flg. 2
3.
Legend:
-rH Topsoil (0H); moderately organic clay, medium stiff; moist dark brown.
3 Clay (CL); rnedium plasticity becoming low plast-icity and silty with depth,
U sandy, trace gravel, stiff to medium stiff, moist to highly moist with depth,
brown to grey-brown.
I
p Relatively undisturbed drive sample,2-inch I.D. California liner sample.
14/12 Drive sample blow count; indicates that 14 blows of a 140-pound hammer falli'ng
30 inches were required to drive the California sampler 12 inches.
Notes:
I. Exploratory borings were drilled on March 19, 1992 with a 4-inch diameter
continuous flight power auger.
Z. Locations of exploratory borings were measured approximately by. pacing [.oT.
features on the' site. Fig. I Iketcned from field'obs€rlvations'by Chen-Northern
personnel.
3. Elevations of exploratory borings were measured by hand level survey with
ieferehce of Borihg'Z = 100 feletl
4- The exploratory boring lccations and elevations should be considered accurate
only to the degree implied by the method used-
5, The tines between materials shown on the exploratory boring logs represent the' approximate boundaries between material types and transitions may be gradual.
6. No water was encountered'in the"borings at time of drilling or when checked
six days later. Fluctuations in water Ievel-may occur with tifte;
7. Laboratory Testing Results:
l,lC = I,later Content (%)
DD = Dry Density (pcf)
-200 = Percent passing No. 200 sieve
4 229 92 Chen€Northern,lnc Legend and Notes Flg. 3
tr
Note: Sample partially disturbed-'
Moislrrre Conlenl = 13 percenl
Dry Unil Weighl . 114 PGI
Sarnplool:. Sandy Silty Clay
From: Boring 1 at 8 feet
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10
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APPLIED PRESSURE - ksf
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SWELL-CONSOLI DATION TEST RESULTSChen-Northern, lnc.
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Chen€Northern,lnc.SWELL-CONSOLIDATION TEST RESULTS
Moisture Content = 14 percent
Dry Unit Weight = 117 wl
Sample of: Sandy Si lty Clay
From: Boring 1 at 13 feet
APPLIED PRESSURE - ksf
Moisture Contenl = , 12 percent
Dry Unit Weight = 1,21 pcl
Sample ol: Sandy C I ay
From: Boring 2 at 4 feet
APPLIED PRESSURE - ksf
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Job No. 4 229 92 .Chen-Northern, lnc.
TABLE I
SUMMARY OF LABORATORY TEST RESULTS
NATUEAL
MOISTUFE
cor{TENf(!.)
MTUR^L
OFV
OENSIfY
odt
PERCEN'
P^SSINO
NO. &
SIEVE
Uil@NFINEO
sorL oR
BEOROCK IYPEtol rxo OEPTH
0..r1
l{rxfruJJVE
6TRENGTH(Ddl
1 3 11 12?sandy clay
I l3 It4 69 sandy silty clay
I3 l4 I l7 sandy silty clay
2 I I6 ll3 82 sandy clay
4 t2 t2l sandy clay
l4 l5 Il6 sandy silty clay
oRADATTON
ORA/EL(tgl SANO
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