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HomeMy WebLinkAbout1.0 ApplicationGARFIELD COUNTY Building & Planning DePartment 1OB 8th Street, Suite 401 Glenwood SPrings, Colorado 81601 il+il;;;, riz o.-sa s. a 2 1 2 F a cs i m i I e : e7 0' 3 8 4'347 0 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- ^< 7)oDe"tt-tz-1)l Date 4. 5. 6. 7. 8. 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 / r:,l. / ./". LOT F22 ctnRl -BrILDlW::-:--.. :' :' :':'.' :'.' :' :':-: 6058/ / / 5060 /r'/ /r'/ ./r'/ ./'/ ,' 'r' /,/'/l//l J^' .// )6060 / ./ ,*{/' 4( ,x' 1,/ ,,\ \6064 \ )II aoffilc:/d( 4:i;:'\rffi,- - - .. t/ co84I BORNG \'; 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. ,','',lw'r'vilr vr v , va vvYY Iill I{filIilHfl,llll,ltl,lll,ltlfl,,JHIHllHtlll{ ] ltl 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$ty ?i,2993, Job No. 4 11292' Job #103 624 seegr ocSep,1,20041 4r20Plvl ,' N REAL ESTAIE C0 ,*!r/' / \r/ ,( ,ool' \ 6058 I I / 6060 N0.4445 P, 15l4na APPROXIMATE SCALEI'= 40' 9064 LOT F23 / ./ 60s8 / / / 6000 // / .-1r --+ /,' ! '' soRrNG, \ \ ,{o\ -/ ,x LOT F22 606+ LOCATION OF D@LORATORY BORINGSHEPWORTI{-PAWLAK GEOTECHNICAL, INC.103 624 OCSEP. I. 2O04: 4:2OPllll ASPE :AL ESTATE CO N0,4445 P. 1$ts/24 AORNG i EI-EV= 6063 ry"" BORING 2 E[-EV.- E065' EORING 5 ELEV.= 6066' Illa I E}-I cr rt.| ooL I Eo3Io b.t fin2 H"6 0Dt.lts -200r8 *fi Srl.6 +:r-65 -20F8 $/12 ilE=8,7 oDt lI4 ?42 rc=6J DD-l10 -260{8 &/12 WC=i.7#, -r00r-tt 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 Dt tro al, oax r.d t o udo L.ac c() N -sOcg IL*tJ I o a!ct at o. oq) t0 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 retting \ 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 $ o o6og (,o 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 IE EO t6 (f mEd Uttof, 6z lr.looff 6- tc D 10 o 4 a5 o rO b ge o gt .l ^l-l -t aIJ,aF utE. j- froE,LI o_ 'GL 7ffiI|l, 15 Xrt IlC TAffi !,4 rfAEE IEDI aa rB .rrc *E ,il, ,tt, &i t* J& -6 Lrl g +rE DIAI,EIE? OF PARTICLES lN MILUIIEIERS iq' .6 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_ Dsc a2e .A -cE -Ag .eD ,gD .E .Or. .tSC .IE .& l.rr rI' +E lrra6 t..o &tj * ,dO ffi 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 llltt(lrr'- 2 Itl:rfr lh*t .s,l'|i|ru. .rt0$l ulrt fO:$'E:\*t' l'!tl .t111rl lt. Dhr Dtt{ilr\. lr.r, G&!D.lTrox l l:ttt:(yt I-rS'ailG so.rlo stvt: A]'tttrt E[ri r.I]t,rI$l("rr']:t. tBI $r!fr, t:an IrI\a]llNr'taa:rt cuvTrrt:sitf r s!![\riitt (Ptl) t til.rll{ Dfr)ltor' ,i ty F): l.G/tiltr tltrrr flu 't..rs} ll [\lrLl ('1tt26.6 II' .28 68. 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 r{ EpwoRrH -pA\\rHf#FoTECH NrcAL, rsc: Cg> o E :-. N Oo i N -Er- -rr"I fr ,TIc/) f> m c> StlNltvlr\Ry Ot; I.ABORATORY TEST RESULTS JOlt NO.lfll 62,l l>@ : q{l{a o $ : : Ns l\)N lso' FED"=''*oat EIKE TRAL uguolt --Ls-ts I r-€ - --\tlIt \,l \ ep, l, 2004- 4:2lPlvl-AS c0_< -No ,4445-P ' 22REAL ESTATE _L : sl{at fil I I IEl<r rg/ I;J l qtu_ tRflc llo{ rf"Etl F@JI* ,ad nfr rfrt rcH 3iI' ttn( t wG Foil( N\EP frn/sPfl CrEl @otFf [}s,'rf lE'ts; q*o HE lm r.G tDQ ttt Jrr N autqi:i-tWoietrl ptm, ffi ry ,r:5 ryLAott tu afiE'sffifu-ttttttt, wrun m.rM l,tt@)ffi /IIEFnsEs H,r8 *.W b reta m dgnnw affi Ntla E rr:t m E 6ED e 0Nl/a6E F22 Fri Jrn 16 t6:5q 16 1995 -ry,H_ HCIWSITE FzA ON OSPREY IN EAGLF'S NEST PRWR@ sctltllasER 6omov HETER, lNe Aspen Glen