HomeMy WebLinkAbout1.0 ApplicationGARFIELD COUNTY
Building & Planning DePartment
1OB 8th Street, Suite 401
Glenwood SPrings, Colorado 81601
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www.oa rfield-countv. com
JAN 0 3 2008
I
I
i MD CORRECTED PLATS APPLIGATIoN
-GENERAL INFORMATION
Cfo be completed bythe applicant')
F Street Address / General Location of Property:
I
Legal DescriPtion:
H
LoT F *Spt,t 6u n>
Subdivision Name:h+rr
Description of ProPosal:
L
Name of ProPerty Owner:
Telephone:1o4' e11
City: CAtrbarrsAe L State:zipcodeiArcLS FAX:
*u-*t
, etc):
d4
Tebphone' q+7' 18?'l
) citv: 6**l>x leu'vs stai::t
-Zip
code: 9l@L FM'qn'04L5
) Doc. No.:
STAFF USE ONLY
Date Submifted:- TC Date:
Hearing Date:F Planner:
F Zone District:
Lasf Revr.sed:2/2006
Names and addresses of owners of record of land immediately adjoining and within
two hundred feet (2OO') of the proposed amended plat, mineral owners and lessees
of mineral owners of record of the property to be a part of the amended plat, and
tenants of any structure proposed for conversion.
Evidence of the soil types and characteristics of each type.
Proof of legat and adequate source of domestic water for each lot created (which
may consiit of proof described in Section 8:a2(D) of the Subdivision Regulations),
method of sewage disposal, and letter of approval of fire protection plan ftom
appropriate fire district.
lf connection to a community or municipal water or sewer system is proposed, a
tetter from the governing body stating a willingness to serve.
The Applicant shall sign the ?greement For Paymenf form and provide the Base
Fee of $100.00 with the application.
Provide 2 copies of the Application. Staff will request additional copies once the
application has been deemed technically complete.
have read the statements above and have provided the required attached information which is
and a@my knowledge.
/2,t4'd7
(Signature APPlt.+a.rz-
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7)oDe"tt-tz-1)l Date
4.
5.
6.
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9.
GARFIELD COI]NTY BIIILDING AIID PLANNING DEPARTMENT
AGREEMENT F'OR PAYMENT F'ORM
(Shall be submitted with application)
GARFIELD COLJNTY (hereinafter COUNTY) and
(hereinafter APPLICANT) agree as follows :
APPLICAIIT has submitted to COIJNTY an applicati onfo, A Pt +f ttuCr'lt^g*t f
, TI{E PROJECT).
2. APPLICANT understands and agees that Garfield County Resolution No. 98-09, as amended,
establishes a fee schedule for each tlpe of subdivision or land use review applications, and the guidelines for
the administration of the fee structure.
3. APPLICANT and COUNTY agree that because of the size, nature or scope of the proposed
projecq it is not possible at this time to ascertain the full extent of the costs involved in processing the
application. APPLICANT agrees to make payment of the Base Fee, established for the PROJECT, and to
thereafter permit additional costs to be billed to APPLICANT. APPLICANT agrces to make additional
payments upon notification by the COUNTY when they are necessary as costs are incured.
4. The Base Fee shall be in addition to and exclusive of any cost for publication or cost of
consulting service determined necessary by the Board of County Commissioners for the consideration of an
application or additional COUNTY stafftime or expense not covered by the Base Fee. If actual recorded costs
exceed the initial Base Fee, APPLICANT shall pay additional billings to COUNTY to reimburse the COUNTY
for the processing of the PROJECT mentioned above. APPLICANT acknowledges that all billing shall be paid
prior to the final consideration by the COTINTY of any land use permig zoning amendment or subdivision
plan.
B^^u A*"r
Print Name
APPLICAI\[T
o^tu, lLfr + lq
rcn004
Page 4
N0.1445 P. l5L4/24
ocSep, l. 20041 4:20P[,l ASPEN REAL ISTAIE C0
APPROXIMATE SCALE
1'= 40'
nffimlflDED 'r-cREASE lta Bu[rlttl0 ,
EXCEIFE AFEA
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./". LOT F22
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LOCAIION OF EPLORATORY EORINCSffir16p111-PAWLAK
CEorecnNlcAL lNc.
Aspen Glen Homeowner's Association
D estgn Review Committee
October 25,2007
Mr. Fred Jarman, Planning Director
Arn;H a;t'e"ldi"g & Planning Department
108 8e Street, Suite 201
Glenwood SPrings, CO 81601
Re: Aspen Glen Lot F-22 -Plat Amendment
Dear Fred,
The Aspen Glen Design Review Commigee considered a proposed plat-amendment for
Lot1-Z2at their o"ioi., 24,2007 -".tiog. ru" u*]{hlenvelope on Lot F'22 was
platted in avery od;-.hup. 4pp**Uyffi" tnup" of tn"-l*itai"g """elope
was dictated
by poor soils on the east side of-6" properlry 9& t1-e.oaa.shape of the properly' A recent
so*s analysis performed by Hp GeotechloifirmeJ trut the envelope could be squared off
and expanded on the east side without encountering poor soils' The applicant requested
the DRC to considerthe adjustmentto ui"t" "moilstandard
envelope' In addition' the
applicant nu, "fi-#traa};J* ottle envelope on the wgst side' This balances the
changes to the envelope and preserv., u r[* "ooidot
for the properlry owner on Lot F'
23.
I nendins review and a notice sign was posted on
Adjacent neighbors were notified of the pending t"YtY *'
the property. There *"." oo critical commentsieceived regarding this proposal'
However, tn" properry-o*n .of Lot F-23 was supportive of the envelope adjustment'
The DRC recommends approval of the plat arrrendment as renr9sgnted onthe draft survey
finding that the shape of the envelgreis'pi9bG."tic from u uolaiog perspective and the
soils conditioou*6.*better defined *a ir not as problematic. In addition, the
ilil;;; th" ;*i ,ia" i, offset by the reduction on the west side preventing an
ovlily GJU"ifAing .otelope through this adjusment'
Please do not hesitateto call me with any questions'
Sincerely,
Leslie Lamont, Administator
Aspen Glen Design Review Committee
POBac400Carbondale,CO81623Tel:(970)963-3362
Em ail : ll am ont@s oP r is' n et
rchitecture Tnc.
14 December2007 -:
Garfietd County Building & Planning Dept.
'..
:,.,,.1.".'"'1 .'
We are requesting an amendment to the plat for the aforementioned lot. This request is
AdJinistrator,' This adjustuent is more consistent with the minimum setbacks for this
zone digtict. fnir:*i-tt J"t;; to design ahome with'less practical diffiqlfes, This
wi1lalsoa11owforlessimpacJtoLotF23,whi!emakingthee4yelope1inemor€
:',-,,..':.-,-.'...,.
This rgquest il,the minil"m o"""rrarytl afleviate ahanlship imposed dueto th.e origiqel
ptattingof mis parcel, that prevents this project from eqioying the same regulations and
- ... r.. .j,.; . t..
There rritt tr qinimql i-pucl if any to adjacent properties or ths general prlblic., In I
realityr ttris amendment will lessen the poleatial view plqne impact to tlie adjoi4itlg
P. rincipaUArchitect
41020thStreer,Suite204 o PO.Box 1031 o GlenwoodSprings,Colorado 81602 o Phone:970.947-1837 o Fax:9?0'947'0425
Subiect Propertv Owner: Subiect Parcel Number:
Michael Easley 2393-203-05-022
534 Diamond A Ranch Rd Carbondale,Co 81623
Propertv Owner's within 200': Parcel Number:
Aspen Glen Golf Management Company 2393-203-00-385
Deparhent 230, Box 4900 Scottsdale, AZ 85261
Chanel ffsldings, LLC
11445 E VIA LINDA No. 2-411
George James & Yun Suk Scott
0140 Osprey Carbo CO 81623
Richard Walbert
453 Settlement Lane Carbondale,CO 81623
Ted & Joanne Hilty
0214 Bald Eagle Way Carbondale,Co 81623
Crrace Sandman
82 Hampton Rd. Chatham, NJ 07928
Kevin & Lisa Reimer
2009 S. Broadway Grand Junction, CO 81503
2393-203-05-020
Scotsdale, A285259
2393-203-05-021
2393-203-05-023
2393-203-05-024
2393-203-0s-025
2393-202-06-00s
* Bald Eagle Conservatory Area / Potential Future Development" is also within 200' of
the property.
14 December2007
Crarlield County Building & planning ry.
108 8- Ste€t, Suite 401
Gl€mslood Spdngs. CO 8160l
Atn: Fr€dJamnan,AICP
Re: PlatAmeudment
LolHl:2,Filing l, Aqre,n Glen
Freq
I,lfichael Easley, athorire Brad Jordm mdtb eryloyees ofJordanArchitectne Inc.,
to l€[EEs@t me d my intae* ia reglrds to a plu ame,ndmert for the aforeme,ntionod
parcel.
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ReceDt lons: 736810
1:M\'PY l::l ti I 8,T""'ill, 8I?85' EE*o r ELD couNry co
WARRANTYDEED
TIIIS DEED' mads thls 29th day of Octobor, 2007, benreen
Brodley Proporties, LLC
g|,"1..fftrHg;iJefferson and state ofAtabama, Grantor, and
whose logal address is: 534 Diamond A Rench Rd,, Carbondale CO 81623
oftho said County of Garfiold and State of Colorado, grantee:
described ss follows:
l,tr[FAz
ASPEN GLEN flLING NO. 1
ACCORDING TO TIIE PI-AT THEREOF RECORDBD APRIL 6, 1995,
AS RECEPTIONNO. 476330
COI,,INTY OF CARHELD, STATE OF COIORADO
aleo known by street and numbs as: 156 Ooprey Circlg Crrbondale, CO 81623
TOGETHER with all and singrrlar the heroditaments and appurtenanoes thoroto belonging, or in_an1n[iso appc{ainrng
and tho rovorcion and rcversions, remainder and remainders, rents, issues and profiB theroo(, aud all the estats, right, titlo,
lntorest, claim and rlemaud wha6oever of the grautor, eithsr iu law or €qulty, of, in and to tho above bargained promises,
with the hereditaments aud appurtenauces.
TO EAVE AI{D TO EOLD the said premises abovo bugained and described. with the appnrtenar}ces, unto the grantee,
his heirs and assigns forcver. And the grantor, for hinrsolf, his heirs, and porsonal ropresentatives! docs covonanf gnnf
bargaiD, and agree to aud with the granteeo his heirs and assigns, that at the timo of the ensealing aod delivcry of these
prcJcnb, ho is-woll seized of tte piemisas ebove oonveyed, hae good, cure, perfecl ebsolute and indcfegsible estete of
inhc,ritance, in law, in fee simplo, and has good right, ftll power and laufirl authority to grsnt, bargab soll and convey
the same in manner and form as aforesai4 and thatthe sarne are freo and clear fiom all former and other gets, bargains;
salos, lions, taxos, Essessurents, encunbranscs and rcshiotions ofwhatwor kind or naturo Eoevgr, occept
"genud tues for theyec 2007 ond subsequalrfi yefis; and those sp.ecific ucep$ons desdbed fu ref*cnce
-to
recordad docunents
as re/leued ln the Title Doanmmts accepted by Growee$) In accordance with Sectlon 8a(Tille Rcvieltt) of tha Conraa rc Dty anl
Setl-Real Esrure re.lacing to clu abqvc-d"soribed propqrty; disrribuciln *thty eaobmontc (including ceblc tV); thxe speci/ical$'
dxulbed righ* of third parties not slown by the public records o{ whtch Grantee has qctual lowflledge and which were. accepted by
Grantee(s) ln aciordaniewith Sedion 8b (ihanei not shwn bylre fAUc Records) od Seaion 8c (Stney Review) of the Coinaa
ro Euy orid Sott Rcal Estsc rclaing to tha abovo described rod properE, lncluslon of the properly within any spectal ts. district:
ad, the benefit and bwdens of any declmdion and pafivtall agreemenfi, rlany,"
Thc grantor sLall and will \ilARRANT AI{D FORE\UER DEFEND the abovo-bergeinod premisee in th9 quiet arrd
pru"Jabte possession of the grantee, his heirs and assigns, against all aod overy person or Persons lautfully clainring the
wholo or any part thereof. The singular number shall includo tho plural, the plural the singular, and dtc use of ony gender
shatl be appltcable to all gonders.
IN WIINESS WIIEREOF, the Erautor has oxooutod this deed on the date sA forth above.
Bradley Proporties, LLC
sy@
Mcrill N, Bradley, Itfanaggrr
RF $6.00
DF $s8.00
Menill N. Bradley, Mamger\
)
) ss.
)
My oommission erqires: 2, 'r, "' *
STATE OF Alabanra
COUNTY OF Jefferson
Tlre foregoitg instrumentwas ackuowledged before me this 29th dayof October, 2007,by Menill N. Bndleygnd^Jltlia
Lt Et?6,{ta, l\rahara-- af E!.o,llanr Donaar.r-iao T T l^ " -,"".'"".{f,"".H. Bradley Managers of Bradloy Proporties, LLC
Snwan Title of Colorado - Olarwood Springs Division filc Nuubcn 2007131 5
No. 932A - Wrrrnty Dood (For Pbotographio Rceoftt)
Witness my hand arrd official J
PaeE I oft DF
5g ea
,rc:$gp , I , 2004.1 4:l 8Pl},l AS REAL ESTATE C0 N0.4445 P, 3q2/24
H.:twrrrrh-Fuwbh Occ,:eiitric;r!' kre
$010 Couna lioad 15{
Olcnw*<xl Sl:r ir,l.r. Cul"at'i" ti I 60 I
.FLorn: 970"915- 79811
Itl?(, P70'9'+5'8454
€fi) N i[ h1rflco@hlgmrcch.cofil
SUBSOIL STUDY
FOR TOI.]NDATION DESTGN
PROPOSED RESIDENCE' LOT r'-Zl, asPEni GLEN
OSPEEY
cARflELD COt NTy, coLoRADo
fi3 62{
ocToBER lS, ?t ltl
EREPARED tr'OR: .
DR. $TEVEtr{ RXf?.
16I. NORTH WOODI,AND STREIT
ENELEWOOD,.NEW JERSEY 07631
HEPWOR'ITI - PAWLAK GEOTECHNICAL
Patkcr 303'84]-7119 r Coloaclo Sprirrgs 7L9-633'i562 o Silverchomc 97A468.L989
irc-Sep, l. 2004-, 4:l8PM \ REAL ESTATE CO No'4445 P, La3/24
TABLE OF CONIENTS
H;nPOSg Al.lD SCOPE 0F STUDY . . ! . .
PROItSEDCONSTRUCflON... .,"" ""
SITE CONDIfiONS
ETELDHPI,ORATION....
FOUNDATION BEARING CONDITIONS . . . . I' T
DESIGN RECOMMEI-IDATIONS
FOU}IDATIONS . .
FOIINDATION AND RSTAINING IT/ALIS . .
FLOORSLABq.... r
UIIDERDMINSYSTEIvI ...... " " .. r '| r " " ' " '
SI.'RFACE DRAINAGE . t . . .
luarelolts ....'
FIGT]RE I .I'CAIION OF H(PLORATORY BORINGS
FIGIJRE 2. LOGS OF EIPI,ORATORY BORINGS
EIGURE 3 . LEGEND AND NOTES
EIGI'RES 4 AilI5 - SSIETI{ONSOLIDATI.ON TEST RESUI'TS
}]GU?E 5 - GRADATION TEST RESULTS
TABLEI-SIJMMARYOFT,ABORATORYTESTRESULTS
I
2
2
,
4
4
5
I
6
7
It
t0
lab #1O3 624 e&&e*r
ocTSeP,l, 2004'4:l8PM I REAL ESTATE CO N0,4445 P , 5M/2o
P]URPOSE AI{D SCOPE OF STUDY
Ttris repof presents fhe resUlts of a subsOil srudy for a propose<l residenr:e t'o be locatcil
on Lot F-22, AspAGleu, oSprcy, Garfield couury, colorado, The project ritcis
shown on Figure 1. l}c purPosc of &e sardy wa$ to develop recommcudatioas for the
'foundadondcsigr. The snrdy was conducM tn accordancc wtth our "1*11*'
gcotecbnical engineeriqg scrvices Ao bt, Steven Kau dated Seppnber 26' 2gp.3'
A field axploration Fograu consistmg of erplonrry borings was conduc'tgd' to obtaio
informarion on fire .subsufice copditions. Samplcs of tlre subsoils 'obrained dtuirg the
liell exploralion were te$tod in fie hb6ntory to detcrnrine tlreir classifiCation'
compressibility or Surell anrl othcr cngineering cbaracreristics' Ttre rasuls of tre field
exploration and IsboBror,'testing were aaallacd to derrelop recommearlatioru for
foundation tIpcs, dcpths asd a[owaUte Pressures for fhe pr@osed btdlding tburdadOn'
Tlris rEOn SUmmariZes the data obuined dudtrg this study and presents our
cotrclusioos, deSigl recommendatiotN and otlrer geotechnical engineering snsideraciOns
biwed on the a.srmed constmcfion and tlle mbsoil conditions encotrntercd'
PROPOSED CONSIRUCTION
,llrcbuilding erpelopc'is proposed to be'cryauledbeyOrd the crrrrent building
*r*o* ,no* oo rr* l. A;fte time "1:* *:1: aosul nrans for tbe rxldence
had ,ot beerr dweloped. we aszume the buildins will be typical of the area arrd consist
of a one ro.two smry wood fraEC skugtltre wcr crawlspace or basemont level'
.
Excavadon for rhe touilding is assumed o have a ma)dlxuE sut dcpth of abour I lo 10
feet below thc c.risting ground srrface. For rhe pufpose of our analysis' ftrundatioA
loadiugS for thc stmc6lt werc assurned to [e relarively ligbt and t]rPisal of tbe
assuucrl rypc of coustnrction.
Job#103 624 e5&ech
rlc'lsep, l, 2004' 4:l9Pll(/ N REAL ESTATE CO N0,4445 P,6a5/24
2-
Wlren building lOcariOn, grading and loading informaiiou ltave been developed, we
should be mtified to le+valuaa rbe ieCommendations presenM in this rePort'
SITE COI{DffIONS
The sire was vacant at the rinu of our field explorUioo, Lanllscape ponds are located
to the so.& ad souths,est of thc lot Tbere appears to be soEoe filIol the siu fioro
overlot Sadl4g as Part of rhe subdivisioo devetopment- 'I1e ground surfacc on fbo lot
is nlatively flat with a slight slope doum o fre southwxt. Vegeradon consisrs of grass
aOd weeds. SenereO cobbix and snrell botldcrs are cxposal m Se glounJ surfac"e'
The eastern pafl Of rbe lot desigoated as -Unstable Soils Area' ou Eigue 1 couUined
sinldotes whic,h have been filled iD aEd gradal flat. Thi$ area al*o inoludcs a setbacI
from the siuliholes as described beloqr. No indicadons of active subsidence of ttris Pan
of rhe lor, srch as deprassions and grquDd cracls w*c observecl at the time of the
curent srudy. !
STJBSIDENCE POTENTIAL
Bedruck of the Peunsylvanian ageEryleValley Evqporite underlias the AsPen Glen
of gXrysiferous shate, finc-graincddevelupment. T[ese rocks are a sequeme 0t Eypsrerous f,nBrE'.
sandstone,/siltsnons urd limcstone wit[ somc ''''essivc bcdS of SPsurL Thero iS a
'possibitity tLat massive s/psrrE <tqoslrs assrrjated witl n1 F,aglc valley Evaporite
underlieportiom of the tot Dissoltliou of the gy?$rm under certain conditions c'an
causc sinl$oles to dcvelop and caa Prdu€ areas trf ttrcalized sulBidence During
.
prcvious srutly for t5c subdivisioo dcuoloprncnt, sevent broad subsidence areas aad
smaUer size sinkhole aieas were obscrvd scattererl throughout rhe Aspen GIen
clevelopuear mainly east of the Roagitrg Fork River (Cheu-Northern, 1993)' These
sfuJcbolcs appcat similar to others as.sociated wirh tho FailaVallay Evap6ritr in ateas
of rlrc Roaring Fork valleY" The broad subsideace tflr..ry so be on the orrler of 5 feet
reladve to surroutding arcas.
Iob f103 624 eeeecte
oslSeR,l'2004:4:l9Plll N REAL ESTATE CO N0.4445 P . P;rza
-3-
Lot F_22 is rocated abOUt 50 fcet ro the southwest of oBe of thc hroad subsidcnce afca.s-
chen-Nortxern had ialcfiified a sinkhole ou the east side of l'ot l-22 awJ based on tbeir
study, rhe building emelope was setback frorn the sin*Irole a cerBin distancc' Borings
2 aact 3 wera ckilled between the orrent Iluildiqg envclopc and tho recomscnded
.cerhack, ba'ed on ttre su6ivisiou plans provided to rs. No evi6eoce of cavitics was
encormered in the subsurface material,s but the explormory bolass wcrc drillcd with
ailters and pracrical refirsal occgrred ai re.larively Shallow dePtfu BaSed ofl our present
knowledge of the suDsur&CI conditious d the sirc' il caooot be said for c'ertain tlut
there will uot be radual subsiderpe or sinklrole dcvelopmcni' wE coucur with chen-
Nrrnhern rhar tle proBoeed, b'uildilg envelope be seback fron tbe timits of rhe sinfilrole
as graphically rcpresenrett on Figrrre 1. The Qwnef strould be mado a\rale of the
porentiar for loag rerm grouDd Eovemeur aud building rrisrress Recour-mendarioos ro
helpmidgarcrheefl.ect.sofmirorgroundBovertreBtsAleprgseoledbclowinthe
Fottndationssection-
EIETD DXPLORATION
Thcfielde:rplorationfortheprojectwascooductedoaoctoberl.2003.ThrEe
exploratory borings were ilrilled ar the locations rhoqn on Figurc I to evaluete tbe
subsurface coaditious, Tte borbgs were advstrced with 4 inch diaueter contisrous
fligtuaugersPoweredbyatruckmounted.CME/5Bddllrlg.fhoboringswerc
.logged by a roprcsentative of llepr'vort$-Psq'lak Creotechoical' Iru'
sampics of tbc zubsoils wcre takenlt'ih l% irrch and 2 inch I'D' spoon samplcrs' The
samplers were drivon into the wbsoils at vuious depttr's rvith trlows from a lCI pound
hamoer falliug 30 inches. This test is similar to the standard penotration tcst dcscribod
i, *t* Method u-dao- The penenadon resistaucc values are er irditztion of the
rolative densrf or corcistency of rhe subsoits' Depttrs at wLich the samples wcre frkpd
aud the perretration resistauce values are shown on the LOgs of LXplOratory BoringS'
gigure 2. The sampler wsre r.eilrned to our laboramry for review by tlrc projost
eugioeer aod testiog.
Job/103 624 #egr
N0,4445 P . 8a1/24
octsep, l, 2004., 4rl9Phl REAL ESTATE CO
SI,IBST]RFACE COI\IDITIONS
Graphic log.s of the subsurface condirious encountered at thc site are showfl on
Figrne 2. The subsoils c,oDsist o[ about 2W2Vz feet of mixed gravel aud clay fiIl
overlyiag rela[vely dense, slighrly silry saudy gravel corneining coDtrles ard boulders'
Driliss ia the dense gravel wifi auger eguipnent was diff,rcuE due to tho cobbles and
bouldersarrd.drillingrefirsallraseDsollDtcrcrlinthe&posit.
trgs inclurled rutural
Latroruory testing parformed oa sarplos obainexl frou the bori
moisture mrEDt, deusity and gradation analyses. Rcsutb of swell'consolidarion tcsting
performed on relarively urrdisnuhd drive samplcs of &e clay soils' prcsentul r:n'
Figurcs 4 ard 5, irdicarc low to moderate comprxsibilify undcr conditions of loadiag '
aod wening. Two of thc sampies sbowed a low expansion lrctonrial when wcncd under
aco(tsmillightnrrcharge,ThesauphfromBoring3at5feet.showedaminor
collapse porenrial (se[tlgDne$ under coDstaEr load) whffi wetterl' Results of gradariorr
.*ty*, purrorreo on smalt diemoter drive samples (nrirlus lH iDch fraction) of the
nat'ral coarse grauular soils are shbwn ou Figure 6. The labontorl resting io
summuized iu Tabte l-
No free welor was encountercd in the boringB a the rime of dritting and nrbsoits wcrc
s[ghfly rnoist,
FOUNDAHON BEARII.IG CONDTIOI{S
The gravel soils encountEred in thc b0figs ue reladvely dense and appcff to bc
rcas. The setback distaacc reoopmcnrJed by Chen-Northern frorn
outsitle of sin*hole al
rhe perimeter of the
the closest 5inkhole to the allowable building area is defpcd-as t
-U:utablc Soils Area' sbpvr onFigure 1' Based on Ure nrbsurtacc
lrufiles
eucouarered rluring the currcnt study, &is setback.disunce appears adcquate'
Jor #103 624 s5Ete*r
Dc'Sep. l. 2004t, 4:1$P[,{/ N REAL ESTATE CO N0,4445 P, !aana
5-
Increasing the buildiug envelope area, as shown on Figrre I, maimains Lhe serback
rlisuuce from&e sinkhole as rec6nmencled by Chen-Northeru. The following
rect:rureudations are presented for the building design wirhin the combined curreflt and
tpcoumeuded increased builtligg euvelupe area'
DESIGNNECOMMENDATIONS
FOTJI{DAIIONS
Cos5idcring thc Eubsoil conditions encountered in the exploramry borings and the
naore of rhe proposcd conrtruction" we rccommond the building bc fouxled with
qpread foorings bearisg on tho narural gmnular soils below existiqg flU ard ulay soils.
Due io poSsible long+ern ground movemcns, rhc foundadon should be heavily
reinforced and inerconneced with foundatinu walls rather *ran supported on isolard
footing pads.
The design and constnrction crireria preseaed below sirould bE observed for a qpread
footing fouldation systen.
I) Footings placcd or tte undisturberJ Eaturl gonular soils should be
desiE!€d for an allowable hearing pressure of 2.500 psf. Bascd on
etperioace, we expeet scttlc,mcnt of fOOtingS designed and cQn$ttucted aS
discrxsed in t[is section will bc about I iuctr or less.
lte footiugs shoUld b1ve a minirmrm widttr of 16 inchcs for conrinuous
walls and 2 feet for isolated Pads.
Exterior fOOtingS and foorings beDoath guheated arevas sftould be
proviricrl wirh adequue.soil cover above tbeir bcaring elevation for firxt
protection. PlacemeD[ of fOuldatiOl).S at teest 36 inches below exterior
gradc is gpically used iu this area.
ContiuuOuS fOUndariOn walls shCIrld bc heavily leiuforced Cop aucl
bottom to spaa locnl aoomalies such as by a"ssumirrg an urxupponed
2)
4l
tob #1O3 624 <=eeecrr
4: I 9PM I S IATE N0,4445 P, lvet2q
-6-
length of at leasl, 14 feet. FOundation Walls actirlg a.r rctaining struchlIes
shtruld also be dasigned to resist lateral earth pressurcs as discussed in
the "Foundation ancl Reuiruqg WaIl$" sect;oa of uhis rq)ofl-
A[ existiqg fill. aopsoil, clay eolls and any loose or disurbcd soils
should be removcd aDd the footins bcarins lcvcl exteOdcrJ {own rcl
rdativelydenso natural grdnular soils. T[e exposal soils in footirg area
slrould then bo moistrned'aud ccrrnpactul
A repreScutative of the geotechnical engineer should observe all footing
exravations Bfior ro concrOe placemeat to erraluzte bearing ConditiOas,
FOUNDATION AT.ID N TANTNIC WAI,IS
FourrdUion walls and retaining struefires which are lafrrlly supponed and can be
eupecrcd ro ua&rgo ody a slight amount of dcfleaion shold bc dcsignal for a tateral
earrh press11e coqlmed on the basis of au equivaleut fluid unir weight of 50 pcf for
. backfll corsisting gf the on-sita gramrtar soils. Cantilevered retaining s[ructures
whic,h are separate -&oa &e residErrce and can be expccted to deflect sufliciently to
mobilize the ftll active ear& pressre condition should be designed for a laeral eanh
prissure comptlrd oa &e besis of au equivaleat fluicl unit *uiglt of 40 pcf for backfill
colsisti4g of thc on-sitc gianular soils. Backfrll shartd not contain vegefation, topsoil,
clay soilo or ovemized mck.
AIl fouudation aad r*aining sffttctures lhould bc rtesigued for appropriate hy&osutic
antl SUrcharge pieSSureS Srrc,lr as adjacC3t footiugs, Eafftc' coasrnrdion materials and
equement. 'IIre prcssureg recommended abovo atisurlc drained condititlm behirxl the
wall.t anil a horizontal backfiIt surfaCe, Tho buitdup of waterbetrincl a wall or an
upward sloping brckfill surfaco will increaSe the lareratpros.sure imposed on a
foundation wall or re6inbg smrcture. An unrlcrdrain shOuld be ptovidd to pfevent
hydrosatic pressrre builtlup behind walls.
5)
6)
tob #103 624 eEFte*r
Dc-Sep, l, 2004., 4:lgp}l1 REAL ISTATE CO
N0,4445 P' 1l-q/2@
-7.
Bsckfill shorld be placed iu uuiform lifts and cQmpacted to ct le&$t 9A% of r}le
maximrrEl sta{xr Proctor density at o moisrure coDteBr near optimum' tlackfill in
pavemenr and w3llmray areas Ebould be coupacted tq at least 95 % of the maximuil
$a,)dard proctol dcnsity, Cue should be taken oot to overcompa"ct the backfill or usc
' Iateral Prac'suro on the
large equipmerrt near rhe wall, since rhis could cattse excess've
wall. some sdttemcm of deep forsladon wall backfill should bc oxpcctod, crren if thc
material is praccxl coreo*ry, and could tes,It in distrecs to faciritios bonstructed ou lfie
hackfill.
The larcrat resisunce of foundation or rutainiog watl footings will be a combinadon of
rtresli<liugresistaceofthefootingonftrcforrsdationruaterialsantlpassiveaarth
prrssure against rhe siile of d|3 tbodqg. Rcsistanse to slidrns
1
the bottoms of thc
ftx*ings carr be calorlated based on a coefficicOt of friction of 0'45' Passive pIeSSUTE
ofrcnpao*rlbacldflagaiosrdre.sidesofthefoodngscanbccalculatedusiqgan
equivalent fluiil turit weighl of 400 pcf. fbe coefficieat of fic1ion and passivo ['fEssure
valucs r.econimended above itssuuleuldmare soil strengtlr- suiEtrle fucmrs ::**
should, be incluiled in fhe dcsigl to limit tbe suaiu wbich will occur at tbe ukimate
strcngtlr. parriculady hthe case of passive resistgnce' Fjll placd against thc sidcs of
tbe footiugs to resis! lareral loads should be a granular material coupactcrl to1 least
95 fa of the maxinum stardard proctor density at a ooi$ule contmt trcar optiE$m'
FLOOR Si.ABS
lpPon llghtlY toaded
The uatnral on+ite soils, erchsive of rrrpsoil; afe suitabtre to stt
slab-oo-gnde consrrrctioa. The clay soils posiess variablc se$leilent/heave potentiel
;;* -r*u whicir coukl result io sorp differcntial ,oovc,eot' To reduce $c effects
rrf .somr differeurial movenetrt, floor slabs should be separated from all bearing walls
;il; wift expansionjoints wbich allow unrcsrainea-v1rlcal movemeut' Floor
slab control joints sbould be used to re&rce damage due to sbrinkage cracking' The
,oo"ir.* for joint upaciag and slab rcinforccmpnt shouldbe established by [he
e.E6hecrtJob#103 624
ocSep.l. 20041 4:l9Plrl ASI REAL ESTATE CO
N0,4445 P, 121'Yza
8-
designerbasedonexperiencearriltlreintendedslabuse,Aminirurmr4inchlaya.of
frecqlraiainggravelshouldtrcplacedbcnoatbbasemeutlc'vgtstabsnfacilitate
tlrainage. ltris rnarerral should consist of rninrs 2 inch ag$egate with at least 5O%
renined oD the No- 4 sieve and lcss 6atr2% passing the No' 200 sieve'
All f,ll materials for snpport of floor slabs should be coopacrd to at Lext9S% of
maximum saudard Procor density at a moisturt contenl' near optimun' Required fill
.**n,l..ofrbeorsitegavglsderloidofvegetation,topsoilanrtoversizodrock.
INDER,DRAIN SYSTE}T
luriry ottr explorariou' il has lToon our
Alrhough free wafer was not eDcorltorcd i
ry during tirnes of
experierrc in the 'area that local perclred grouudwater can dorel
heavy preeipirarion or segsonal runoff. Frozan groud dudng spring ruooff can creaBe
a percbed conditionr we reconmeird below-grade consmrctioa' such as retaining
walls,crawlspaceardbasetneutareas,beprotcctcdftomwettiqEandhydrostatic.
pressue buil&P E mundendraiu sysmm'
The clrahs shorrld oonsist of draiapbc Ptacd in the bottom of the wall backfill
strrmuilded abovc tb+ igven level wirh free'draiuiug ganular rnaterial' TIro drain
abould be placcd a[ each ]eve[ of excavatiou ald a: Iga.st.l fool belou' lowest adjacenr
Iinish grade and slogreil $ a minimtm [70 to r $uuP and pump',iTT granular
materia]ucoditrtheunderdrainsy$anshould60ntainlcssthan2%passingfte
;; ;.;r, Icss 6rn 50zo passrng trrlNo. 4 sieve and havc a raxitnum sJzn af'
2 inchcs. The clraiu gravel backfill shoutd be at least 1lzl feet dceP'
SLTRFACE DRAINAGE
I be observcd cluring eorstructioo and
1he following drainage prccaurions nhork
maiutained at aII titrlcs after thEtras trcen coruplcrcd:
Iob #lO3 624 &l
DCSep.1.2004i 4:2OPM REAL ESTATI CO N0.4445 P. lSana
-9.
Inundation ofrhc foundation exoavations anrl underslab areas should bo
avoided duriag coastrucliou.
Exterior bacldtl stoukl be adjusted to near oPtimum moisnrre and
compacted p at IeAs[ 957a of rhemaximum sundard Proctor densiry in
Pavemeffandslabareasandrcatleast9[Toafthemaxirmrm.sErdad
Proctgr dcssily iD landscape arcas'
The ground surface surrourdiqg &e exrcrior or &e building sholld be
sloped to drain away from the fouudarion in alt directious. we
rpcolElnetdaniuimumslopeofSirrclrosh'hefrrstl0feetinunpavod
ueas aod a miniuum ilope of 3 inches in the first l0 f'eet in pavcd
aleas.
Rrrofdorraspoursurdqfailsshoulddischugeweubsyotrdthelirnitsof
all bacHill.
Warer features such as a pond or stnean shoukl not be locatcd oathe lot
rmless thcy art flrlly conained to Preven' IeekaEe and wecing of tlp
LIMITATIONS
This studyhes bccq coDdrcted in acconlance wilh general ly aurpt('geotechnical
eugirreering prirrciplx and practices in this area d this tirno' we urake Do warrsnty
either express tx implied' The conr:lusions and recomlre'ndatio* *OT::1
': -*:t
reporr are based upou ths dan obtaiucd from the exploretory boriugs drillsj at tbc
lclcadonsindicaredon!'igurul,theas.cumcdtypoofconsrnrctionandourcxperie'ncein
the area. our- findings include imerpoladon arrd extrapotation ofthe subsurthce
coxilticlnsi&ntilsedattbccxplor,atoryboriugsagdvariationsinthpsubsurface
condidons may not bccome evidcnt umil excavadorr is pcrfonuul' If conditions
'.GE--,----. a-+ rtrara rloanrihad in this IEDOfI
encountcrecl during construction appear different Aou 6ose describcxl in this rcport'
we strould be ootified so ttat t+waluation of 0re recourmcndadons ilaY bo madc'
Iobfl1o3 624
2)
3)
4)
s)
eEi&ecn
"Sap, l, 2oo4i 4:2oPh4 / \ REAL ESTATE CO
r0-
This report has been preparal for the excluqive use by our clicnt for desiga PurPoses.
We are nol responsible for technical iderpreationS by othen of our irtfornution. As
'rhc projcct evolves, we should provide continuEd consuitatiou and field services during
comtruction to review and monitor ilre impleueutadon sf our recommendatioas, and to
ver$ rhar &e recoffnendations tuve been appropriately iuterprad. Sigflificent
design draaecs may raluire additioral analysis or rnodifications o fte
recommeadatious presented herein. We recorumend on*itp obscrvatiou of excavations
and foundation bearing straa aod testiug of Stnrctural frll by a represenativa of the
geonchnical engineer.
nespectivlll Subnritrcd,'
IIEPWORTH - PAWLAK GEOTBCHNICAL, lnc.
Jordy Z. Adamsos, Jr., P5.
Riviewed by:
. Steven L. Pawlalq P.E.
l'tlAlksw
N0,4445 P, l4l3/2a
REERENCE
Clen-Nonilra,Inc. 1993, '"Geotcclfiicat Enginccing StttdyforPreliminary Plat
Duigtl ASpen Gtm Daulopncnt, cittrfteld coWy, colorado, " prcpared for
A,qpen GIen Company, detedll$ty ?i,2993, Job No. 4 11292'
Job #103 624 seegr
ocSep,1,20041 4r20Plvl ,' N REAL ESTAIE C0
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N0.4445 P, 15l4na
APPROXIMATE SCALEI'= 40'
9064
LOT F23
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6000
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606+
LOCATION OF D@LORATORY BORINGSHEPWORTI{-PAWLAK
GEOTECHNICAL, INC.103 624
OCSEP. I. 2O04: 4:2OPllll ASPE :AL ESTATE CO N0,4445 P. 1$ts/24
AORNG i
EI-EV= 6063
ry""
BORING 2
E[-EV.- E065'
EORING 5
ELEV.= 6066'
Illa
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Note Erplonoticn cf +rnbolE i,s chown on Ftgure 3'
LOGS OF EXPLORATORY BORINGSHEPWORTH-PAVJLAK
GEOTECHNICAL, INC.
LrcSep, l, 20041 4:20p[4
LECEND:
m
n
W
ASP ]TAL ESTATE CO
F
I
e/12
fltt grorol ond cobblee in sondy cloy motrix, fi'rm, slightly molat reddi*t brown,
Q,lY. alty sondy. etlff, sllgh{y moist reddlsh brorn, los to madium plosticity.
GRA\EL AND COBBLES (GF-GM)E ecady. dlghtty eilty, rith boulders, denle, sllghtly moief light
brbrn, eubromdrd to rotmded rock
Rdctircly undisturbed drire eornple; 2-inch I.D. Cdiforoio liner eomple.
Dn'w eompl€i stsDdord paletrqthn t rt (SFII, 1 3/8 indr l.D. split spooo eort1Pl6, ASTM D-158e-
Drlve scmplc blor cesnfu hdicotee thot 19 blovE of o 1aO parnd hammer fallhg 3O hctres rere
rcquted to <lflra thc Colifornio or SPT sorpler 12 inches.
.T PrecUcol drlllng refuroj.
I
NOTES:
1. Frytorotory boirrgs verc drnlcd on 0qtobcr 1, 2W3 uih s ,t-iad, diometr continuoue fli'ght Povcr
ougef,
2 Locotions of orglorctory berirrf u€rc mc€rlurcd opprortrl'totsly by poclnE from ihe feoturce dtovn cn
the aite plon provirled.
J, Bcrctlonr of explcrotcry boringa wcru obtqlned by interpolathn between contours sho*n on tfre sits
plon providrd onC chodrod by inctfumgtrt lcvcl.
4- The ntplorator! borlng laootions ond elewt'r,ons ehould be coneidered occsrote ooly to the degree
rirngliad by thc mcthod uecd.
5. lto lines b€twost motdots etrom on thi erplorotory boring logs represent the opproximste bounclories
betscgr motcchl tlgce ond kqlcitionc mcy bc grcduol.
6. No f.€e uotar woe encountered In th. borhgs at the time of drillhs.
FluctuaUons in soter levd may ocqrr rith thna
7. Loborotory To*rrg Recrrlts
IrGrWotsContart(t)
0D - Ory Dcnslty ( pcf )*4 r Penccnt rcto'mcd On No. 4 ric'a
-?QO - Peroent pocsing No. 200 cicra.
N0.4445 P, l1t6/2a
HEP'#ORTH-PATT/LAK
GEOTECHNICAL, INC.LEGEND AND NOTES
EAL ESTAlE CO
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APPUED PRESSIJRE - KSf
Moisture Content t 0.6 Percent
Dry DersitY = 115 Pcf
SomPte atsandY SiltY OaY
From: Boring 2 of 2 Feet
\\
Erpongh,rl
uPon
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APPUED PRESSURE - lGf
iwer-r- coNSouDAT'toN TEST RESULTSHEPWORTH-PAWLAK
GEOTECHNICAL. INC.1A3 624
MolotUre. Cottent - E.7 poreent
Dry DensItY = 114 Pcl
Somple oft SondY SiltY OoY
From: Boring 3 at 2 Fect
aSep. l. 2004r:4;20PM N REAL ESTATE CO
$
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N0,4445 :|9. ta/za
Moisture Content -- 6.3
Dry DensitY = 110
Somple o* Sond ond CloY
From: Boring 3 at S Faet
percent
Pcl
IT
II
tr
t€Cunprcssian
uPon
rettinE
0.I 10
APPUED PRESSTRE - ksf
SWELL CONSOUDATION TEST RESULTSHEPWORTH_PAWLAK
GEOTECHNICAL, INC.103 624
"Sep, l, 2004'4:20Pll{.I REAL ESTATE CO N0,4445 P, 20.1e/2s
SrgS lf 9s 76.1 1 ,s. lel
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DIAI,EIE? OF PARTICLES lN MILUIIEIERS
iq'
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E[rY ID Af
CRAIEL 63 Z S^ND 2E Z SILT AND CI-AY 9 X
UOUID UMIT g PLASNOTY INDD( fr
SAlrPlf OF: glghtly Strty Ssidy crara FROJ: Baring 2 at 5 Fcet
- l_ U31tE I ua 5;*.rc qEg I q.€riilrrEcnrEs I,a lx. , rcFE-!!* arrr..rL rn lEe ;6 Fc fri l. , t VC t/,O rttt t *e Ioto
0L_
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OIAT{ETER OF PARNCIES IN U'LUMEIERS
c4t ID a?
GRA\EL 57 A SAf{D 32
UQUID UHIT Z,
SAMFTE OE Sighuy sitty sondy 6rowt
E SLT AND CLAY 1T
PLASTICIIY INDEX Z
FROM: Boring 3 ot 1O Feat
HEPWORIH-PAWLAI(
GEOTECHN'CAL,
'NC.
GRADATION TEST RESIJLTS
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5 1.6 63 sancly .qihy s;hy
9 slighrly silry $ardy gravel
3 2 9.1 u4
5 .6.3 ll0 sandy silrj, cln.v
48
t0 t.7 57 sand ard clAy32IIsliglrtly silty sandy r,rarel
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