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HomeMy WebLinkAboutB12-0146 - CR1 - 060412 Department of Community Development 75 South Frontage Road TOWN OF VAIL' va�i, CO 87657 Te1: 970-479-2128 www.vailgov.com Development Review Coordinator TRANSMITTAL FORM Revision Submittals: 1. "Field SeP'of approved plans MUST accompany revisions. 2. No further inspections will be performed unlil the revisions are approved&the permit is re-issued. � 3. Fees for reviewing revisions are$55.00 per hour(2 hour minimum), and are due upon issuance. ��Permit#(s) information applies to: Attention: �Revisions B12-0146 Martin Haeberle ' Response to Correction Letter � Qattached copy of correction letter � I(j Deferred Submittal �Other �Project Street Address: Top of Bridge StreeUSki Yard (Number) (Street) (Suite#) Buiiding/complex Name: Gondola 1 Operator's House Description/List of Changes: Stamp floor plan and elevation sheets,veneer attachment, Contractor Information Vail Cor oration d/b/a Vail Associates, Inc. electric panel details, attach soils report(open hole Business Name: P Business Address: PO Box 7 soils report to be submitted prior to footing inspection), Vail CO 81658 Stamped truss drawings to be submitted upon receipt City State: Zip: Bill Kenned from supplier. Address plans examiner comments on �Contact Name: Y 970-754-2564 Cell: 970331-6029 drawings (no correction letter provided) Contact Phone: (use additional sheet if necessary) Contact E-Maie bkennedy@vailresorts.com Revised ADDITIONAL Valuations (Labor&Materials) .(DO NOT include original valuation) � I hereby acknowledge that I have read this application,filled out � � in full the information required,completed an accurate plot plan, �Building: $ 0 and state that all the information as required is wrrect. I agree to � comply with the information and plot plan, to comply with all Town Plumbing: $ 0 ordinances and stale laws, and to build this strucWre according �� to the town's zoning and subdivision codes, design review ap- �.. Electrical: $ 0 roved, Intemafy naI Buildin and Residential Codes d other ' ordinan e th�Town appl�icable there o. Mechanical: $ 0 � �X � / �� Total: $ 0 �Owner/Owner's Representative Signature (Require ' Applicant Information . ��Applicant Name: Bill KBnnedy ' Date Received: ,Applicant Phone: 9�0-754-2564 Cell: 970-331-6029 Applicant e-Maie bkennedy@vailresorts.com �or Officc Use Only: Fee Paid: Received From: Cash Check# CQ Visa/MC Last 4 CC# exp.date: Auth# 01-0cbl I KOECHLEIN CUNSULTI��G ENGINEERS, IIl�• COl�'S Ul,T'Il'�'G GE�TEC:R��7CAL..fi11�D M.4IERIALS ENGI11��'E'RS SQFLS AND FOUI�TDA'TION P�NEST'7GATIO�v VAIL'S F'RONT'DO�R LO�T' 2, SEC?'1DN $, T.� SOUIH,R..$0 ti'1E5�, 6'�' P„M, AI�� AREA SOUTHEAS'T O�' T'HE, LODGE AT VAIL CaNDO?vIINI'UMS VAIL. COL�RADO a�� ���� � ����,.....�����,�a �. � '.�% .p� . • � . _ . . � : � ;�= -�� �4,; �9�' c3�.Z7�z;.Z.y`-': 't•y,�c+••� �; \��� ����[`�., �. ��j*\� �''��.,,,s++7 l��A`1.�`E,��°`� �repared for: Terry Winnick, V..P. Vail Resoris Development Company R�C�����? - P..�. Bok 9�9 Avon. CO 8I624-09�9 OCT 3 2042 URaAN�E51Gh GnO41P DEN'rER C��I!'E Job Na.. 0?-107 Septernber 27, 2002 ' DE.'1'f'ER: 1135! H esr 4famede Prkn�..Suite 11�,Lakewnnd,C'D�l �/aj�'S F'i'dnt DOOT ' A��OA%S'lLiEItTNOR1�'E° (47D) 449-6U09 E�,�;�.on�,��ta� �����#R��oF� RECEIVED Page$-b ' By David Rhoades at 3:47 pm, Jun 04, 2012 5eptember 2't,2002 K�EC`HL.EIN CONS'UL.T7NG E'NG'l]VEERS, lA'G 3abNo. 02-107 Consulrina Georechnira! Enninrers TABLE. O� CON�'ENT'S 1 ' SCDPE ' EXECUT'tVE, SUMMARY 2 PROPOS�D CaNSTRUCTION � SI7'E CONDIT'10NS � PREVjOUS iNVESTIGAT�ONS �' 3NV E,S T'1GATI ON � 7 RADON SUBSURFACE CONDIT'30NS � EXCAVAT�ONS q SHORTNG 1� GROUND WA7ER 1� E'XIST'ING FACILIT'IES �' FOUNDAT�ONS 1� F'LQOR SLABS �� F�UNDATION DRAINAGE, �� L AT'�'.RAL WAL,L. L.OADS �9 SURFACE DR.AINAGE. �4 COMPAC'TE,D F'ILt. �} �� L.IMITAT'IONS -- ViC�7*ITTY MAP F'i�,. 1 L,OCAT�ONS OF E',XPL,ORAT�ORY BOR3NGS ���° � LOGS O�' E.XPLORAT'ORY BOR�NGS �igs,. 3 thru 10 LEGEND OF EXPLORA'T'ORti' BORITIGS �1�� � � GRP.DA�'lON T'E5T RESULTS F'igs. 12 thru �0 �OUNDAT'lOi�1 E'.7CCAVAS'ION RECOMMENDATI�N �i��� �� TYP�CAI�.WALL. DRATN DETAiL. Fig. 22 TYPICAL RET'AINING WAL,1_. DRATN DE;TAIL F'ig,, z3 SUMMARY OF LABORATORY TE,ST RESULTS Tab�e I Vai3's Front Door� Enviranmer�tai Impact Repor# , Page S-7 ' September 2'1,20�2 KOECHL.EfN C'OA'S'Ui.77AjG'�h'G'!A'FERS,3NC 3nbNo. 02-10'7 C'onsulEing Geatechnica! Engirreers SCOPE This report gresents the results of a soils and foundation investi�ation for the Vail's Front Door development �acated south and 5011t11�3Si of� the Lodge at Vail Candominiutns in Vail, Co�orado. The approximate site loeation is shovm an the Vicinity Map, F'ig ]. T�e pc�rpose of this investi�ation was to evaluate the suhsurface conditions at the site and to pFOViae �eotechnical reeommendations for the pr��posed canstruction.. A ]ar�e portion a#' the proposed Vai3`s F'i'ont Daor de�elapment, souih of' the Lad�e at Vail Condaminiums, has been pr•e�viausiy investigated.. 'I�e reports for the pre��iously investi�ated area �;rere used in the compilation of this report, T�e purpose of� this report is to provide descriptions of'subsc�il and graun� water• conditions encountered in the exgloratary borings, alio��able soi! bearin� capacity, recarr►mended faundatian systerns, and recommended foundation desi�n and canstruction criteria far praposed development. This repon was prepared from data devetoped dur�ng the field in�esti�ation, our laboratory testin�, rev�e«� of' our previaus investigations, and our ex��rience with similar projects and subsurface cnnditions in the area, The recommendasians presented in ihis report are based an the propos�d deveiopment as described in the �'ROP4S�.D CONSTRUCTION 50C�lOTY Of �'11S F�F70rt. We should be cantacted to review ovr reearnmendation5 when the final pla.r�s far the Vaif's �ront Door� Environmental Impact Report Page B-8 Se�rtember�'7,2Q�2 1C�EC'IILEINC'ON.S'UL.T7NG�'NGTN�EflS',TNC_ ', 3c�bNo 02-1€31 Cansulling Genlec)rnical En�ineers developmer�t have been compieted. A summary of our f�ndings and conc3usions is ' presented be]ow. ' EXECUTIVE SUMMARY ' 1. 7he subsUrf'ace conditions encount�reti in the explaratory borYn�s varied ' wiil� �ocation„ The suhsurface conditions consisted o�' 1 .0 to 10.,0 feet of� ', existing i�il, to�soii oi� roadbas� underlai� by either a dense to very dense, sanciy�r�avel witli cobUles and houlders or•a dense to very derise, silty sand with so�ne gravei to �arying deptl�s af' S.0 to 30.,0 feet, The existi�� fill was charactez�iz,ed by a loose to mediuin dense, silty, sandy gravel wilh ' some cobbies Practicai dcill rib t�efixsal on houlders was encountered in explaraiory borings T�I-3 {40-09'7} tt�cu TH-I1 {00-097), TH-13 (00-097} ', thru T'H-f9 {00-09'7) and in T'H-1 (98-348), TH-2 (98-34$), 'FH-4 {98- ' 348}, and TH-5 (98-348) in our previous investigations„ ', ?, �;xzsting f+l1 to vaiying de��ths of I.,O tc� 1Q,0 feet was encauntered at this ', site, The existing fill wilf �3eed ta he r�ernoved from all constrvctian areas ', pr�ior ta coz�struction. '' 3 Ground water was encounter�ed in TI-i-3 (9$-3�#$} at a depth of' 2.0..4 feet ', anc] in TH-22 (02-107) at a degth o#� 17,.0 feet at tiie tirr�e eacii boiin� was , clrilie�l,. Ground w�ter was nat e�lcountered in any otl3er bot�inbs for this , investigation or• in previous investigations, Ref'er� to the GROUND ' WA`i'rR sec#ian of tliis repnrt for additional detai�s, 4 We antici�ate that th� existin� f31 will be encountered at the pr•oposed , foundatioi� elevations In our opinior� �he existin�; fl� will not safe�y , support ioundaiions, l�i aur o�inion the under�lying natur�al, san�y grave! ' wii� su��ort spread footing foundation systems for ti�e proposed buildings ' and addit�o�s, Refe�' to tlze FOUNDAT'IONS section of this report for - compiete recorr3mendations. S We anticipate t�at the soils at the potential iloor slab elevatians wi1� ' co�nsist of existin}; fiil. li� aur opinion the existing �l� will not safely support slab-on-grade floors. li� our opinian tlie under9ying natura} sandy ', gravei Qr pi�o�erty moisture canditioned and eom�actecl structura� fill will ' V ail's �€�ont Doos� , 2 Envir�onme�tal imp�ct Repor't Page B-9 5eptember 2'7.2Qa2 I+O�C'NLEIN G'011'S'ULT7NG'ENG'lNEEK.S,INL'. 3obNo.02-10'T Goasetlfiree Gen�echnica! Engineers satisfactorily support slab-on-�rade floors, Refer ta the F'LOOR SL.ABS sectian of ihis repon for comp�ete recammendations ' 6 Because cabbles and bouiders we�'e encountered in the expjoratory bor�ngs, we anticigate that heavy-duty excavation eq�igment ���ill be necessary to cornplete the required excavations.. 7. Draina�e around �he structures shou�d be desi�ed and constructed to provide for rapid removal of s�rface runoff' and avoid concent�ation of water ad}acent to foundatian walls. PR�POSED CONSTRUCTION A hand drawn preliminary site plan was pmvided by Vai� Resorts Developrnent Corr�pany prior to �ur f eld investigation,. The preliminary site plan presented the locations o#� the existing struc�ures and propos�d structures. At the time of this investination, the final development plan f'or Vail's Front Door has nat been completed, We �ncierstartd that the pr�oposed der�e3opment invoives the canstruction of� resitfential struct�res, a 5�3�T C�Ub, ad�itions to the L.od�e at Vai� Condqminiu�ns, a skier services hui�din„ ad��tiaRS to buildin�s southeast af the Lodge ac Vaii, and possibly the relacat�on of�the Vista Bahn Lif�. She reside�tial buildings and skier club south af�the Lodge at Vail Condominiums are located in an area previausly investi�a�ed by Koechlein Consultin� E,ngineers, �nc. Based on the pretiminary development pians, the propo�ed plans are similar to those plans assurned in our previous investi�ations. We anticipate that the bui�din�s will be 2 to 3-stories in height with ] below �r'ade le�el We anticipate that excavations vp to j 5 -, VailTS �I"Oii� DODC' ' E�vir�onrr�e�tal Impact Report Page B-10 September 21,2002 KDGC'NL.EIN C'OlYS'UL.7lNG'�"NCIN�'ER.S', 1NC. JobNo �2-107 Cnnsultin�,= Grnieclr►rira! F.ngeueers feet �nay Ue required fai� constr�ction of ihe bui�dings witltin the existin� hitlside [f excavatians �reater t�ian l S feet are r•equired for construction of t��e ��o�osed bui�dings, we sllo�lc� he contacted io revie�v our� ieco�z�mendatic�ns, We anlicspate t�iat tltie �roposed buildings will �be of cast-in-�lace cor�ci°ete a��d ��oad frame const�vclion �vitli slab-o�- �rat�e t'�oors.. Maxirnui�� column anc! wail �oa�1s for the }�c'oposed ��esidences and ski clu� �7lli�dlE3� were assun�ed to be those normally associated witl� residential struclures and li�itit camrnercial structures 7lie area ��ot previaus�y in��estigatecl includes tize ac�ea of the skier� services , buiiciinb, ac3ditions to tl�e L,od�e a� Vail, additions to the Uuildi��bs sout��east of�tl�e Lodge at �fai1, ancl tl�e relocation of�the Vista Ba1ti�� Lif't We antici�ate i��at llie skier' services ' buildinb will he u� to one-story in heiglit and �vill be of'cast-in-�iace concrete a�d ��c�od '', f'rarne cnnstruction wilia slab-oi�-grade floors We c!o not believe thaE a basement oi ' l�elo`v gc�acle area wiil he constructec! 4'or the proposed Uuilc�in�. W� anticipate ', excavations of' uP ta 5 feei i�a depth will he required for� construction o�' tlie �ropased ' buiiclinb in ordei 10 remove t��e existin�; �11. We anticipate tl�at tl�e pr'o�osec� acic�itions tc� the L,oc�ge at Vai� anc� otlier l��iildin�s southeast of the Lod�;e will �e ane to two siories iti l�eight wit�� hasez�ents �nd slab-on-grade f]oors. Lxcavations foz� the a�iciitions may be �p to i2 feet in depth. T4ie relocated lif� builciin�; will be a sing�e-story buildin� witll s��b- on-gr�ade #]oors, bui with n� haserr�ent or cra�vlspace Maximum column and wall laads Vail`s F'r�ont Doar� 4 Environmental Irnpact Repar•t Page B-1 l September 27,2002 KOECNL:EIN C'ONS'Ul.TING EA'GINEERS,ING. 3obNo. O?-10'7 Consullirrg Geotechnical Eag+neers were assumed To be those r�ormally associated with iight t� medium cammercial structures. SiTE. CONDTTIONS Vail's Front Doar develapment will be located immediately south and southeasi of the Lod�e at Vai3 Condominiums in Vai�, Colorado. Access to the s�te is from a �ravel road off'of�Vail Road. 7�e ]ocat�on of'the roa� is shown on the Locations of'Explaratory BflT'1T1�5, �ig. 2,. The area of�the pro�rosed residences and ski club bui]ding consists of an undevelaped slope covered with tcees, shrubs, v�Jee�s and �asses A portion of'the slope has been cleared of' all trees and ve;etation in this area consists of��ass. The overall slope of'the existin�hill is dou�n tow�ards the narth-northeas�. T�he area o#'the propnsed ad�itions for the Lod�e at Vasi is immediately sauth of' the existin; buildin� and consists of'a parkin� lot and is �ener�al�y level ?he parti�n of' the developrner�t for the building additions southeast of� #he Ladge at Vail, the slcier services buildin� an� the relocation of'the Vista Bahn Lift consists of'a deve�oped area southeast of the Lod;e at Vai! Condominiums. T'his area incluc�es a portia� south of'the existing Vista Bahn Lift.. 7his area has been deve�oped with an existing lift, sing��•-story buildin�s, mulii-story buiidin�s and landscapin�. T�e averali s�ope of'this area is down towards the north-nnrtheast. Ve�etation on the site consisis of�grass. Vail's Fr•ont Door S Environmental Irripact Repar•t Page B-12 September Z'7,2E}02 KOECNL.EfN C'OA'S'UL7'!1�'G'LrNG7NEERS,tl�'C. 7obNa.42-107 L'nnsrtdlrna GenFechniccf En�ineers PRE;VIOUS TNVES�IGATi�NS Two previous geotecfinical irs��estigations were perfbrmed for the southern ponion nf'the �roposed Vail's Front Door development, This area o#�the prapased development ', incl�des the residential buildin�s, sl:ier club and the additians to the LodRe at Vail. This '' area has been previausly Fnvesti�ated by Koechlein Consultin� Engineer�s, �nc. 7he data and results of these previous investi�ations have been reviewed and included in the ' prepara4ion c�f� this report. The foliowing reports were reviewed and informatian from the�n used in compilation of this report.. 1„ Koechlein Consultin� En�neers, Inc., Prelimirran� Geotechnical Inve.s�tiaarion, Pr��pos�ed Developmenl, The ?'1�ade Parcel, Lot ?. Section �, �.5 Soutli, R RD T�est. Fith P:Ai., Varl, Colorado, Decemher 3, 1998, Job No„ 98-348. ?„ kaech�ein Cansultin� E,n!_ineers, Inc.., Sails a�id Fotu�datinn Irati�esrtgation pr•�posed Btrrldirz,�s, Yarl Lodge - Tr�ade Par•cel, Lot ', Sectior2 8, T.� Sotttl:, R 80 1�'e.st. E'' P.A�., Yail, Color�ado, July 11, ?000, .lob No. 00-097, INVFST']GAT'10N Subsurf'ace conditic�ns f'vr this im�esti�ation were perfarrned at �his site on September 1'7, 300? by dr�llin� four ex�,joratory borin�s, TH-20 {02-107) thru TH-23 (0?-10'7), with a 4-inch diameter soiid stem flighc power au�er at the locations shown on the Locations of Exp�oratory Barings, Fi�. ?.. An engineer from our of'fice was c�n the site to supervise the drillin; of the exploratary borin�s and visua�ly classify and document the subsur€ace so�3s and �round water conditions. Our engineer also obtain�d representative Vail's Fr�ont Door ' b E.nviro�mental Impact Repor•t ' Page B-13 5eptember 2 7,2002 K�ECFIL.EIN C'ONSULT'ING ENC'F?1`�ERS*I�IC, ]obNo. Q2-107 Cansultine Gentechnical �ngin�ers sar�ples of'the soils withir� the exploratory bor�ngs to �e examined �n our �aboratory. A description of the subsurface soils obsen�ed in the expioratory barin�s for this im�esti�ation and from our previous investi�ations (.Job Na. 98-�45 and 3ab Na, 04-097) is shown on the L.a�s of E.xploratory Bor�n�s, Fi�s. 3 ihru l0; and an the Legend of� E�:ploratory Borings, �'ia 1 l. O�r ]aboratory investi�ation included visual classification of' al] samples and testin� of s�lected samples far natur•al r�aisture content and ;�adation analysis. Resu�ts of'che laboratory tests for chis investigation and our previaus investi�ations (..�ob Na.. 98- ;48 and 3ob No. 00-�9'7) are presented on the Logs �f'�xp�or�atory Borin�s, Figs.. ;3 thru ]0; on the Gradatior► ?est Resu�ts, Fi�s.. 12 thru 20; and in the Sumrrzary of' Labaratary T est Results, T'able I '' 1'tABON ' In recent years, radon �as has become a concern. Radon gas is a colorless, ', ndorless gas that is produced by the decay of�minerals in soi] and rock. T'he pot�;�tial for� ' ra�on Das in the suhsurface strata of mountain terrain is likel,y, Due to the �ran�lar nature of' the natural sflifs, it is o�r ogi�ion that the risk for radan gas at this site is iow. However, because be�ow �rade areas may be consiructed for the proposed residences and additions to tt�e L.od�e at �'ail anci other buildin;s, we recomrnend that the be�ow grade areas he desi�ed with ��en€ilation to re�uce the risk of'radon gas buiid-up in these areas. Vail's Fr�ant Dovr� � EnvEr�onme�tal �mpact Repor•t Page B-14 September 2'7,2003 I►0ECHI.�IN CON5'UL7'Il!'G'ENG'7NEERS',IA'C. JobNo. 42-107 CATJ54f�iTtta Gentechni'caf Enrineers SUBSURFACE CONDITIONS Subsurface canditions encountered in the expioratory bo�ings for t�iis investieation [TH-20 (4.2-107} thru TH-23 {02-]07)j were simi�ar 'The subsurface conditit�ns consisted of 4 inches of�topsoil underlain l�y an existing fill to varyin� depchs of' S 0 to 6.0 feet., The existing fill was char•acterized by a dark brnr�rn, moist, medium dense, silty sandy �ra��e3. Beiow the existin� f'tll, to the rnaxirr»rn depth explored of.20,0 ' feet, ihe subsurface conditions consiste� of'a natural, light br�owr� to br��wn, dry to moist, ' ciense to very dense, si�ty, sandy gravei with scattered cabbles and boulders, ' The subsurface conditions encountered in the e�;ploratory borings for�a�r previous ' investi�ations {Jab No. 95-3�48 and .Job No. 0�-[?97) varied with location. The suhsvrface canditions consisted of' 1.0 to �0.0 feet of' existin� fil1, topsoil ar �•oadbase u�dariain by ' either a ciense to very dense, sandy �ra�le] wiih cobbles and bouiders ar a dense to very ', ciense, silty sand with some �rave� to �aryin� depihs of'S..O to �0 0 feet.. The existsn� fill ' was charac�erized by a lc�ose to medium dense, silty, sar�dy �ravel utith some cobbles. '' Practical dril! rig refusal on boulders �;�as encountered in exploratory borin�s T'H-8 (DO- ' 097) t�ru TT�-11 (DO-091}, T'H-�3 �00-d97} thru TH-�9 {DO-09'7) and in TN-1 (98-:348), �'H_2 (gg-;4g), TH�-4 (98-348), and TH-� (98-345) in nur previous investigatians Ground water was encountered in �'H�-3 (9�-348) at a depth of' 20.0 #'eet and in T'H-ZZ (0�-]07) at a depth of' 1'7.0 feet at the time each borin� was dri��ed Ground water : Vail's Fro�t Door� S Envir�onmentaf Impact Report ' Page B-1S s�������'�,2�a2 �aECx�.�rN cot�'S'UL7T11'G'ENGIN�L�RS, rntc: 3obNo.,02-l07 Cansvlterrg Geatech�ica! Enaincers was not encauntered in arEy other bor�ngs for this investigation or in previaus investi�atians E.XCAVAT�ONS We anticipate that excavations o�up to 15 feet may be required #or constr�ction of' the proposed residentiai and ski elub buildin�s within the existin; slope alon� fh4 sauthwest side of� the subject site.. If' excavations greater than 15 feet are requir��ci for canstructi�n of ihe pr�aposed hui�dings, we should be contactsd ta review our ; recommendations, �.xcavations ran'ing from � to 13 feet in depth may be r�equired fior ' construction of'the propased additions, �ift terminal a�d skier services huildin�.. Because ' c�hbies and bou3ders ��ere encountered ufithin the explar•atory borinE�s, it is our opinion ', that ]�eaw-d�ty excavation ec�uipment «�ill be necessary to complete the required excavations. Gare needs t� be exercised durin� construction so that the exca�ation slopes remain siable. in our o�inion, the existin�, moist, �andy �ave� #ill, natura� si�ty sand with �ravel, and the �aturai, moist, sandy �ravei classify as T'ype B soils in accor�ance with OSHA. Wet or sat�ra�ed natural sandy gra�el will classify as Type C soils in accordar�ce with �SHA re�ulations. OSHA re�ulations should he followed in any excavatior�s or cuts. In order to re�uce the size of the rec��ired excavations temporary shorin�may�e�sed Refer to ihe SHORiNG sectian af this report for additional details. 9 Vaii's F'ront Door� Envir•€�n�enta[ lm�gact Repor�t Page B-16 Septernber 2'7,2002 KQ�CFlL,EfN C�NS'ULT7A'G ENG1N£,�'!t5',ING 3pbNa.02-1a7 Consul�inQ Geotechhica! Engineers All existing fi11, foundations, and soft soils beneath the proposed constn�c�ian sha�ld be removed, and if' necessary, replaced with properly moisture conc�itione.� and compacted fill, Refer to the �XISS'�T1G F'ACILITiES sect�on of'this re�►Qrt far add�tional details. All fill should be placecl and carnpacted as recommended in the COMPACTE'D �'ILL section of'this report. SHOR'�NG jn order to reciuce the size of' the excavations and limit the disturbance of' constructian, temporary shorin� rriay be used„ A typical shoring system rxsed for c�eep excavations includes piles (either dri�ren or socketed in pre-drilled holes) as soldier posts with la��in� However, due to the presence o#' cabbles ar�d boulciers, driving or pre- drillin� holes with comTentiorial drilling equipment may not be possible, An a}ternative tn driven piles ar socketed pi�es using con��entional drilling equipment as saldiei� posts could be multiple �ninipiles ir► conjunction with tie-backs, which can be dri]led thrt�ugh the cohhles and b�u]det•s Minipi]es are installed by driliing ai�d advancinb a casing into the �rou�ci to the desired ciepth. �re hole is then filled with �out as the casing is removed fr�m the hole„ Where �round ti�Ja�er is enco�r�tered, �t is sometimes necessary to ieave t�e casi�g in the graund to prevent water from enterin� the hole. Mu�bple m�nipi3es in conjunction with tie-backs co�ld he used as soldier posts for a sa3dier post and la�gin,�shor�ns system. �a Vail's Fr•ont Door Envir�rtmental Irrapact Repor�t Page B-17 Se€�tember 2'1,2002 IiQE'C'I{LEIN CONS'UI,77NG�'NCl1Y�E11S.ll�'C;. ' Jo6No 02-1fl�7 Consulting G'eo�rcfruiea� Engineers An alternative slioring systeni ihat inay also be considered far titis site is a soii ' nailed shoring system. Installatian of a soil naiied sharin� system will be in#luenceci hy ' the piesence of�cobl�les and bouldet�s anc! by the p�'esence of ad�acent existing structures ' and utilities. P�ap�rty baundaries may also limiE how f'ar the sl�orin� system can exiend ' l�eyanc] the excavation and i�itrude i��ta the ad,�ae�nt property. Therefore, othe�� n�etl}ods, such as interior hraciii�, �ray need to Ue evaluated. ' The ability to cc�mplete the excavatians ti�itliin the site constraints and tl�e nee� for� ' ,� 5I1DClE7� system Zi1C�LiC�ITI� 1�1� iYp� q� 5Y51e177 sl}ouid be �vaivated di�rin�; the desi�n �hase of' tfie projeci. Base� an t��e subsurface conditians encounter�eti durin� t��is ' investi�atioE� anc� our ��revio�s invesii�ation, the sl�oring sysieni may be c�esignecl usin�; ' tiie f�ullue�+in� e�gineerin� soil c]tar�acteristics for tl�e natural sandy �;ra�e1: c�' = 38°, y = 135 �sf', c= 0. ', lE'soi! nails are tisecl as �art of tlte sl�oring system, theic pullout ca}�acity wiil be ', influenced Uy the existii�� soii co��ditions, �i7ethod of'ilole advancement, ha�e diameter, ' boncieci le���;t1i, �rout type, and groutin� pressute. roz� prelimiilary desi�n �urpases, thc soil t3ails may be ciesibned usinb an ultiniate utiit resislattce of'24 kpf; assunzi��; that tlie soil nails are sn�all diameter� a��c� are bacfCfiliec] wit}i !ow-pressc�r'e �;rouk in the natural ' sandy �ravel. Vail's �r�ont Door� ' � l Environrrtental Impact Report Page B-18 September 27,2Q(�2 I+OE'C'H1.EIN C'ONS'UL.Tf;�G ENClNEER.S,TNC.. 3obNo.OZ-1�7 C'onsulrirrg Georech►rical Enginetrs GROUND WATER Ground water r��as encovntered in 'T'H-3 {98-34�} at a depth o�� :?0.� feet and in TH-2? (02-107) at a depth of 17.0 feet at the time each baring was driiled. Grounci water was not encountere� in any other borings for this investi�ation or in previous investi�ations., Since we anticipate excavations to a depth c�f�� tv i� feet may be required far constrvctian af'the praposed buiidin�s and additions, it is our oginion that the r�sk of a pund ivater influencin� the construction of' the proposed buildin�s is low. However, shallow �ae�nd water from localized sprin�s �as been encauntered in various �r�ojects a�on; Fores# Raad and Beave�� Dam Road durin� the late spring and early svmmer months Therefore, depenciin� upon t�e time of construction, it is possib�e t��at gt�ound water may be encounterec�. If' �round t�rater is encountered durin� excavations for the praPosed buildin�s, speciaf precautions may be requ�red �ur�n� constn.�ction, T'�ese precautions may include temporary dewatering trenehes, pumping from ti�e e�:ca�ation d�rin� construction or possit�ly mvre elaborate and expensive ternporary dewatexing ' SYSTe1715, '' T'o reduce the potential r�s�: of �aund water enterin� the excavation from locali�ed sprin�s, we recomme�d that COI�StTUCt10F1 take glace after peak runoff' time, , which is typically July 15 'Ta �'urther reduce the ris� of' �round water infiltration, constr�action should take place at the end af August. Startin; construction at the times ', outli�ed abo��e wiil not eliminate the risi: c�f water entering the excavation. Hnwever, Vail's Frnnt Doar ' 1� E:nvironmental Impact Repart ' Page B-13 5epternber 2'7,2002 KO�C'HI,.EIN C'Ol�'SUL.7ING'ENG'Ih'EERS', !NC iobNo. O?-107 C'nnsulting Geotechnical Erreineera they tend to reduce the risk of water infiltration and i#'water is encauntered, the amount of water enterin�the excavation is typieally less than other tirtzes of'the year If ground waier is encauntered �uring constructian of the praposed buildin�s and additians, we should be contacted to review o�r �'oundation dra.in recornrnendatians. It may be necessary to re��ise our foun�a�ivn drain recommendations and aiso provide an underslab dr�ain system f'or the buildings and additions. EXiSTING FACiLITIES We anticipate that priar to canstruction of'this pqrtion o#' the deve��gment, the existin� struct�res and utiiities v�rill be remo�ed. We recommer►d that exis�in; fnundatians, slahs-an-�r'ade, utilitie5, and existing fil� be completeiy removed and, if' necessary, replaced ��ith properly rnaisture conditioned and compacted fill �riar to consmaciian of' the new faciiities, A representative from our affiee should observe the complete.� dernolition and removal af' the existi�� favndatians, slabs-on-grade, uti�ities, and existing fill in order to verify that they have beer� completely removed„ Provided that the existin� fill is free of deleterious material, the existing fill rnay be used as structural f�l! for chis project. All filI for this projec# sho�ld be moist�re treated and campacted as recammended in the COMPACTED FILL section af tl�is re�ort„ A representative frorn our of�ice shauid �bserve and/or test the removal of't�e existing 13 Vail's Fr�ont Door• E�vironrnefltaE Impact Repor�t Page B-20 5eptember 27,200� KOEC'HLEIN C'OA'.5'UL.TIR'G EI�'Gf,'t'EEliS, IIVG 1abNo 02-107 L'orrsulrinb Gentechrtical Enainetrs faundations, siabs-on-grade, associated utilit�es, and existing fill, as well as the ptacement and compaction of'any fill beneath the new faciiities. ', FOUNDATIONS The subsur�'ace rnateria� at the potentiat foundation e�evati�n for the praposed , buil�in;s and additions cansist af' eit�ier #he existing filt, naturat sandy �avel or silty ' sand with some a avel. In our opinion, the existing fill will not safely sugpart a spreaci ' footing foundation system. T�e existin; fill s�ould be remaved and replaced u�ith ' pragerly moisture canditioned and ca�ngacted structural fil! prior to #'oundation ! canstreaction,. After remaval and replacement of the existin; fill, it is our n�i�ian that the ', �ro�osed buiidin�s and additions may be supported by spread #oc�tin�s bearing an the natt�ra3 sandy �ravel, silty sand ar compacted fill, We recommend that tl�e s�read footin� ' foundation syssems be desi��ed and eonstructed to meet the followin� criteria: ', l . F'ootin�s should be supporteci by the undisturbed natural sandy gravei, ' silty sand or properly moisture conc�itioned and compacted fil�, as ' c�escrih�below in Items 2, 3 1, 12, and 13. ' 2., All existin� fill must be remo�ed fram below praposed #'o��ndatians, �f ' necessary, properly moisture treated and compacted structural fill rnay be ', p3aced beneath the proposed #oundations in ord�- to raise the levei of the ' excavation af�er remo��ai o#' the existino f 1l If stn�ctural fi11 is plaeed '_ beneath the proposed foundations, ar� equa] depth o#' fiIl must be piaced '' be3ow the entire foundation 7he fill beneath the praposed #ootings shaujd ' extend �eydnd the proposed footin�, as shoum in the Fa�ndat�an ' E,xcavation Recommendation, �'ig. 23. AIl structural f}l placed beneat� ' fo�ndations must be mais[ure treated and compacied as recommended in ' the COMPACT'�D FILL, section of'this report. Placement af'the fill rn�st ' 14 Vai1's Frout Door Envir•anmentat Irnpact Repor�# Page B-Z1 Septembos 27,2��2 KDEC'HLEIN C'ON5UI.7INt"i'ENG'f11'��'R,S�!11'G. 1obNo.02-107 Consulfiag Gentechnitaf Ea�ineers be observed and tested an a fisll tirr�e basis by a representative fmm o�r office �, We recommend waIl and column footin�s be desi�ed for a maximum a�lowable soi]bearin� px�essua�e �,000 psf'. 4, Spread footin�s constructed on the natural sandy �rar�el, silty sand or properly moisture treated and compactet� structural f Il may experience up to 0„S inches of� diff'erential movement between founc�ation elements.. Because the soils are grar�ular in nature, we anticipate that the rnajority of' the differential settlement wil] occur during canstrvction. � Cansrivction of'new foundation excavations next to existing footin�s rnay cause undercutting of the sails beneath the existing #ootings., 'The loss a�' support couid result in settlement of�the existin� footings, Tlie iocatian of' the new foundation needs to be evaluated during design., The placernent of' Ehe new faundatior�s should be sueh that they do not re�uce t�e stability of� the existin� foundations during constn�ctian, The new foundations shauld ', be located such that they meet the require�nents presented in ]tem 6, ' 6 E.xcavation f'or �'oundations adjacent to existin� structures sh�t�id be ', perforr�ed with care. The excavatian sho�ld he rnade sn that existino ', fnundations and floar s�abs are not undermined Excavations adjacent to ' existin� structures should be excavated at a i ta 1 slope (H�rizontat to '' V ertical)., ' 7. Wall footin�s and foundatian wails should be desi�ned to span a distance ', of' at least i0.0 feet in or�der to account for ar�omalies in the soil ar ' compacted fiI1. ' S Foun�ation watl bac�:f il sh�uld not be considerec� for snpport of' load ' bearin� footings, Footings shouid be stepped and supporte� by ', undisrurbed r�atura! sandy gr�vel or silty sand and shouid not be constructe� an foun�ation wall backfil!. Foun�ation walls ar grade beams should be desi;ned to span across an excavation backfill zone and should not be eonstructed u7th footin�s wiihin this zone. 9, The base of' the exterior foatings shou�d be establishe� at a minimum depth below the exterior gro�nd surface, as rec�uired by the ]oeal bui�ding Vail's FE•ont Door� �$ ERVir�onmental Impact Repor�t Page B-22 5eptember 2l,2002 KOECNL.EIN C'DII�SUL.T'ING E'NGlNEER.S, 11YC, 3o6No.fl2-1�7 C'ansulfing G'eaterl�itical Erigirreers code„ 4Ve believe tha� tE�e depti� for frast pr•otection iti t1�e local huildin� coc�e in ihis area is 3.5 feet, 1�. Co]umn �'ooiin�s shauld llave a mi�imu�t� dime�ision of 24 inches squar•e and continuaus wall #ootin�s s��ould liave a minirnunj widtl� o#' 16 inclfes. Fooling widtlis may be gt°eater�to accoinmo�ate st�-vctural design loads„ i 1 We antic�pate that col�Ules and bouldez� �vill l�e encounker�ed at t�ie foundatior� ekevatiQn. Removal of'the ca�bies and ho�lder•s may resu�t in ' dCpCe551DR5 and r�o�tg1� bottoms in the excavaiion. Th� resulting depressioi�s cai; �e backfi�led wit1� compacted backfill or iea� co�►cr•ete. ' Refer co the COM1'ACI'ED FIi.L seclion of' this t�epor�t for backfil! rec�uir•ements. ' 12,. Pockets or layers of'existin� fF11 �zay be encountered in the bottain of'ti�e ' completed taaiing excavations, 7'hese materials shauici be remaved to ', expose the undisi�rbe�, nafvr�al sandy gravel ar silEy sand. The ' ioundations should be ca�lsti°�ictecl on tlie natur�al sanciy �ravel, silty sand ' or new cotnpacleci str�icttir�at fiil. Refer ta tl�e COMPACTE.D ��LL ' sectio�� of this re�o�t fnr backfili r�ec�uirements, ', 1:3 Fill s�ioi�ld be �lacec! �nci com�acted as ouilinecl in the C4MPACTED '' TILL, seclEOii of� this r�e��ar�t. We recoznmend tl�at a representative of' our '', of�ice obsenje a�1c� test ilie �lacement and compaction �F' structur•al fi!1 '' use�l ir� fau�dation construction. It has been our experience that without e�igineering quality control, poar CURS�IUCtIOR techniques accur wl�icl7 '' resu�t in pnor Faun�ation ��e��fonnance ' ��4, W� recommc:�u! lhat a re�r�eseiltative of'our� of�ic� ahserve t�ie corn�leted f'ounc�atio�ti excal�atioi�. Vaiiatians f�om tl�e conditions c�escribed in this report, whicl} �vec�c not inciicatecl �y our borin�s, can occur, Ti�e ' representative can oUserve tl�e excavation to evaluate the exposec� suUsurface canciitions F'LOOR SLABS Tl�e sut�sur�face sai�s at lhe t]oc�r siab elevatiflzas consisted oF'existing fi�l, ln our , o�it�ia�t the existiE�g iili wi!! not sa�'ely support slab-on-grade floars, Hawever, it is our ' l6 Vail's Front Door• Environmental Impact Repor� Page B-Z3 5epterrEber 2'7,20a2 KOEC'H1.E7�1'C'0�1!S ULTING ENG'INL�L�'It�,IA'�. ', 3ohNo 02-107 C'ansulling G'ealecbniral Engrneets ', opinion that the underlying natUral sandy gravel, silty sand or new compacted structura.] ' fili will s�pport slab-on-grade floors with a low ris� of'movernent. We anticipate that s3abs-or�-grade constructed on the na#ural soi�s or prop��iy moisture treated and ', compacted structural f 1] rnay experience up to 0„25 inch of�moverrient,. We recornmend ' the follov�rin� grecautions f'ar the construction of'slab-on-€rade flaars: j , Slabs shouid be plac�ti on the natut�al sandy b�avel, silty sand or nevv ' corr�pacted fill. All existing fill ar sc�ft soils beneath slabs-on�-grade s}iQUld ', be remaved prior to placement o#'fi�� or construction af flnors. '', Z. A s�abgrade mod�}us of'20Q pci may be use� for desi;m of'siabs-on-�rade. �. Slabs shou3d be separated from exterior wa11s and interior bearing '', members. Vertical mo�ement of�the slab should not be restricted. ! 4 Exterior slabs should be separated fr�am ihe buildin�s, T'hese slabs should ', be reinforced to function as independent units. Movement of' these slabs ' shouid not be transmitted directly to the foundations or walfs af the ' strucfure. 5. Fre.quent control joints should be prn�ided in ali stabs to red�ce problems associated v��ith shrinka�e b. lf �rounci water is encountered durin� constructian of' the proposed huildin�s ar additions, we should �e contacted to review the need for an undersla6 drain sysiem. 7. �il� beneath 5iabs-on-�ades may cons�st of'on-site soils free of�deleterious material or approved fiii Fill should be placed and compacted as recommended in the COMPAC?'ED FIiL section of this report, Placement and co�n�saction of fl] beneath slabs should be observed and tested by s representative of�our office. � � Vaif's Fr•o�t Door� En�ironmenEal Impact Repart Page B-24 5eptem'oer 27,2DQ? 1L'DEC'NI.EIN C'ONS'ULTIR�G EA'G'fNEER.S',IA'G. 1obNa a?-107 Cnrrsulrrng Georechnicaf Engirreers FOUND.4'fION DRAINAGE Surface water tencis to flo�� throu;h relativeiy permeable backfill typicallY �ounci ad�acent to founc�ations, T�e water that flows throu�h the f�jl callects on the surface of relatively impermeable soils occurring at tl�e foundation elevation. Both this surface water and gossible ground waier can cause wet or moist below grade canciirions after ' construction.. Beeause belo�;� �rade areas are anticipated for same of the k�uiidin�s and ', ad�itions, we recommend the installation o#' a drai� along t�3e �elo��� gr-ade founc�ation ', walls T'he foundation cira:in will help reduce the risk af hydrostatic pressure devel�ging ' ' on founciation walls and nf' �rour�d watei� infiitrating into the below grade areas. 7he ' drain should consist c�f�a 4-inch diameter perforated pipe encased in free dra�nin� aravel and a r,�an�factured wal! drain. T�e arain s�ould �e slop�� so that water flows to a �ositive �ravity ovtlet ar tn a sump where the water can he removed by p�mping.. Recommended details for a typicai fo�ndatian wal] drain are �resented in the 'T'ypicai Wa�l Drain Detail, Fig. ??. �f �round �c�ater is encaun#ered durin; excavation for the propased buiidir►�s and add�tions, we shnuid be contacted tn review our foundation dr�ain recommer�dations. �� Vaif's Front Door� Envit�onmental Im�act Repart Page B-25 September 2'7,2002 IC�EC7fL,L•1N C'ONS'UL,T7NG'ENGINLCRS'.INC:, 3obNa.02-10'7 Consulfing Gentechnicaf F.ng+xrrrs LATE.RAL WALL L.OADS We anticipate tl�at helotiv gracfe walis, z��►ich wili renuire iater�a� eartti pre$sures fior ! c3esig�� will be constructed, Lateral eartli Pressur�es depend on t]�e type af'backfiil and the ' heibl}t ancl ty��e of� wali. Walls, �vhicl} are iiee ta r�otate sufficiently to i�c���ilize ihe ', stren�;th af'tiie backfill, s�iou3d �e designed to resist the "active" eartll �r�essure condition., W�]ls tl�at a��e FeS�I'aiT]£[� stiould �ie desi�ned fo Te515E the "�t rest" earf�i p��ess�ire conditio�l The fallowing tabie �resents the �ateral wal! �ressur�es that may be used for design Carth 1'ressure Cor�dition E.quivalent F�uid Pressure' ���� Aciive �S At-rest 5� !'assive 3�d Notes: 1 Cquiva�ent (luid �ressures are ior a hvrizoi�tal �acki`iil conditioi� with no hyd��ostatic pressures or live 4aads. 2, A coe��ieient of'frictiar� of'4,� may he used at tl�e base o#�retaining wa1! ot�spread footings tn resist latera! wall �oads. Backfill Placed he��i�1c1 or acljaccnt to 1nt�ndation walls anci retainir�g wa�ls sl�ou��d ' he �laeecl and compaetecl as r•eco�nrnended in tj�e COMPACTED �1LL seetion of' this '' ��e�ror�t, f'lacement and comPaction of the fill should be observes� and iested by a ', representative af'our of�ice Due tn the sio�e of' t��c existin� hi!! in the soutl�west corner of the site, w� ' anticipate tltiat retaining wa�3s may 6e constr�cted as gart af this devela��nent T'�e types ' Vaif's Fr•ont Door� lg Enviranmentaf Impact Repor�t Page B-26 September 2'7,2602 ICQECFtC.EIN CUxs'tILT7NG ENGINEERS',Ir'G 1obNo 0?-l0'7 Consulting Genterhnical Engineers a�r walls that are possible on this site are canventional c�ncre#e retaining walls, MSE, (mechanically stabilized earth) walls, crib walls and �►ou]der retainin� walls. We recomm�nd that drains be consm�cted adjacent to ihe retaining walis to reduce the possihi3ity of'developin� hydrostatic pressures behind the vvalis. T1�e drain may cansist ' of'a mantifacrured drain system and �mavel., T�e: �ravel should ha>>e a maximum size of' ' i„5 inches and have a�naximum of'3 pereent passin� t�e No. 200 sie�re, Washed concFete , aggre�ate u�ill be saiisfactary for the gr•ave] drainage laye�', T�e manttfactured dfazn ', should extend from the bottorn of' the retaining wall to within 2 feet af' sub�rade ' elevation. 'The water can be drained by a perfarated pipe with coIlection af�the water at the b�ttom of'the wall leading to a positit�e �avity outiet. A tygical detail far a retaining wa�l drain is presented in the T�ypical Retainin� Wall Drain Detail, �i�.. 2�. SURFACE DRATNAGE We recommend the fojlowin� precautians be observeci during construction and maintained at all tirnes a�ter the f'acilities are compieted. l . Wetting or dryi�g of' the open foundation excavations shou�d be minimized during constn�ction, 2. Al] surface water should be directed away fram the top and sides of' the _ excavations during construction. ;. The �aund surface surraundin� the ex#erior of�the buildings and additions shou]d be sloped to drain away in al! directions. V+Te recammend a slope of at least l� inches in the first 10 feet Vail's Fr'ont Door 20 Envir�onmental Impact Repart Page B-27 Septernber 2'7,2003 KOEC'HLEfN C'011!S UL.7'ING ENGIA'EER.S. 1IYG. 3obNo. O�-307 C'n,rsulrrag Georechr+ical E,rgiatrrs 4. Backfill, especially around f'oundatian waiis, must �e placed and com�acted as recomrnended in the C�MPACT�,D FILL section af this report. 5. Surf'ace drainage should be designe.d by a Pro#'essronal Civil E.n�ineer.. CaMPAC?�ED F'ILL. �'il� may consist of'the natural �andy �ravel, silty sand v�rith �ravel, existing on- site san�y �ravel fill free of deleterious materiai, or approved imported fili. Deieterious material includes; buildin�materials, trash, topsoil, and or�anics T�►e imported fiil may consisE of non-expansive silty ar clayey sands or grave�s with up ta 1 S peF�cent passing the No, 20Q sieve and a m�imum plasticiry index of' 10 No gravel or cc+bbles lar�er than 6 inches s�ouid he placed in �ill areas. �'ill areas s�ould be stri�ped o# ai� ve�etation and loose soils, and then scarified, mozsture treated, and compacted. Fill shauid be p�aced in thin lnose li�s; rnoisture treated, and comPacted as shown in the fallowin� table. The recorr►mended co�npaction varies �or the given use af the fill, as indicated in the follawing tabie. �� Yail's Front Door' Envir�onme�tal impact Re�ort Page B-Z$ : September 27,2Q02 X OECffLE1N C'O,Y.S UL'T7NG'�"NGlNEERS, INC; 3obNo.b2-107 Cn�sulrirrg Gealechniru! �ng+erarrs Recommended Cc�rnpaction Pereenta�e of the Percenta�e of t�e Percentage af the Use of F�ill 5tandard Proctor Mc�dif�ed Proctar Optimum ', Maximurr�Dry Maa:imUrri Dry Moisture Gontent ', Density Density {ASTM D-698 ' (AS�'M D-69�) {ASTM D-1�5'7) �rD-�557}' Below Smacture Foundatians 98 95 -2 to +2 ' Below Slabs-On-Grade 9a 90 -2 to +? Utility Trench Backfili 95 90 -2 ta +2 ' Backfill {Non-Str�ctriral} 90 9Q -2 tb+? ' Notes: ' l . For clay soils the moisture content should be 0 to +2 per�cent of the optitnum mozstur'e content. For �ranular soils the moisture content should be—2 to +2 of'the optimum moisture cont�nt. ', We recnmFnend that a representative o#'aur office observe and test the p�acement and campaction of structural fli. F'i1i placed below fbundatians and siabs-an-�-ade is considered stnactural 1t has heen our experience that without en�ineerin� quality contro�, pc�or construction technic�ues can occur which resu3t in �oor• fo�andation and slab-an-b*rade �erformance. LIMIT:A7'lON5 Alihnu�h t�e exploratory borin�s ��ere ]ocated to obtain a reasor�ably accurate detern�ination of foundation condit�ons, �ariations in the subsurface conditions ar� always gossible An}f variations t�at exist �eneath the site generally become evi�er�t ciurin� - excavation for the removai of existin� structures and excavation for the new structures. A re�resentative frorn our office s3�o�1� observe the completed excavations to canfirm that Vail's Fr�ont Door• ' �� E�tvi��onrr�ental Impact Repae�t Page B-Z9 5eptc�ber 27,200� KOECHL,EII�'C0�'►'SG1.TI�'G E.��GI.'��EERS,IA'� 3obl�o. 02-107 Consulring Geotechnico! En�ineers the soi15 are as indicated by the exploratory borings and to �rerify our foundat�an and s3ab- on-srade recoir�nendations. T`he placement and compactian of fill, as well as insta�lation ' of foundations, sho�d al5o �ie absen�ec� and!or tested.. �T�ie desi�n criter�a and subsurface ' data presente� in this report are valid for � �ears from the date of'this report. If we can be of further assista.nce in discussz�� the contents of�this report or in an�lyses of'the praposed p;o,ject frorn a soils and foundatian vie�•point, please call KOECHLE� CONSlii.�ING E.NGmTE�'RS, INC. <«<un mrur�� ao�•R��!sr'�-,, . � �� ••�' -� .., .�,-� r � � �:°= ' 33822 ' - • • - -�o: / ��� �0: ���r°Z::�:� ' 4 et,�{,•� �' \`�• '��. � •.....••E�v.� ,4''�4 S;�N�I�l u;,t ti���``�````` 5catt B Myers, P.E ', Senior E,naineer ' Revie��ed by: ' .� � -� 1�� � . �, h. . ...�... : � ,� �.�_ _�-,t-- Wzltiam H.. Koechlein. P.�. 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LQGATIDNS Q� E�PL�RATORY B(]R�NGS � - - _ _ Vail's Fro�t Door� �og r�a.n2-io7 �� � Envi��onmen#al impact Repor� Page B�-32 Ko�et����n� co�su�Yir�� �rv���;�t�5, ��u, Cansulting Geotechnica! Engineers ' 1'H-1 TH-2 TH-3 ' {98-3481 {98-348) (38-348} APP.EL. 8172 APP.�L. 8188 APP„EL. 8170 0 � � fl .�� p� o.�� 501�a � rJ Q .� �-qQ� QOO� �.. :OR oL� pQa ��i'�3p :oa� o:cs -t3 F� S�"Q �ao� .�3: .oQr� a-c��-, 5016 �Q Q� , . � 10 'a°a Qp� .Q.. •m0 o:p --� �E7 4°a � �: :oc � s�a oa� -�a .�: .o0 5016 p-cQ 3216 15 0�. INC=4 ---s- .-� WC-11 75 - -200=3 3 amd -200=19 �4b6 •�- �. �a _ �o� ��t� ° � �°�{ � b i o 4 ' a•� 38112 2 �Qo �tS4� Z ZQ � _ •� �0 � _ ¢�� TI p-p �T'1 u1 ��Q � � �Q •�. b:� ��� 2� Z�J 30 30 35 �5 - a.a `�0 L�GS �F EXPL�RAT�RY BORlNG� vai�'s Fr�ont Doo: �nvironmental Iinpact Rep[�r ' �os No. az-�o� Page S-.3 Cansutti�g C;eaiechn�ca� tng+neers ' �H-4 TH-5 TF1'6 ' {98�-348) {98-348} t88-3481 APP.EL. $196 APP.EL 8248 APP.EL. 8259 0 0 ' I � � � � 1 ' i 5 :��c ' j 5 ', �ocs � ; �aa� , ' 'c�G � �'�aiz' �•ata� ^�G?4 �t4�� QA r, ; 36�12 �4� 5015 '-' 10 �� W�=7 i0 a�c �:� ::4 pp�130 �A�f -200=2� �oaG �sC�ofl� i3•o� �c'�� ::: �•sb �{ 24112 ��6� ��� 501$ ::uWC='E1 15 15 D-0o-z aaG pD=11 S C�:o°s�� ��q� -20Q=43 a4 p�Q 4 O � �Q� ���� m � � � 000� �o°o� '-i Z �� 16112 2 — 20 �ac ' WC=7 3 2� Z _ �� DD= 720 -200=43 '�.�yy � 4 i11 Q_ �Q�b� � � Q�u��i C � n��d� �do� 50/3 � 5016 R�on Z 5 25 �f`� ti 5014 30 30 35 35 40 4� LQGS QF EXPLaRATORY B�F Vai]'s �ront Door : Env�ronmental lmpact Repor�k �o$ No. Q2-to7 Page B-34 c.ai��a.,,.u.y •.......�.... .,...._. _,.�.....__._ �'.�, 7H-7 TH-8 TH-S '' (OQ-097) f00-�97} {DO-097} , APP,EL. 8l$4 APP.EL. 6176 A�P.EL, $172 0 � � � � �: �� �: � �: :l �: :; �,� ::::. �oi,2 n�o� B�o 90172 �::::: WC=6 5 � R�a� WC=52g s`' DD= 117 �:ots� �-200 -2�0=1� �°o � r ::� 10 7d .�.. o:� fl� v:o� �ad �: .�qQ - � 15 �5 �� o:p L7°C1 °� v � � ��� � � � � _ z �� �a z _ � � � �. k � � � 0 � �� �� 30 30 35 3� 40 40 LOGS OF EXPLORAT�RY BORII� vai!'s Front Doo�� Envir�onrr�ental Impact Regort ,ro6 r�o. o2-ia7 Page B-35 - L:OilSi]IEITIy �cucc�.�.��•.,•.•• ����a�"."__�._ TH-14 7�i•�13 TH-12 [04-097? {OD-097? {AD-Q97} APP„EL. 8186 APP EL 8188 APP.,EL.. $189 , O 0 � �:� � ��o �a z ,,¢� �ac;; ::, �o� oa . i ' r�O 19!9 2 ��� ' ��� @:ob� B2l1 Z :::.�40/Z 2 � :oCi t 'CLJ �'... 5 �oQC �aot? ,,aaA` B:a�� �::: u:aS?� ���� I e 4;'.: ��� b�� ' •ea C � 6CS �b�G � ��°0 341�2 � � ��� 50f12 ' �4 0 `Gia WC��� �oQ cc ' �°o� D D=121 �c�a�W G6 5 �'�#� W C=3 10 ', 10 �aQ� -200=37 °Q°•°•' .•aQ� DD=117 ' czo�? �qo •�200=16 , '�.Qp� �� : Q: -200=6 , �je�, �csv�� ��°�� �o ' �°�.�� 951i 2 ' a�. �ao� 15 15 �r�o� ' �Q e� ' �b,3a p m u� � -�i ' t�e� _ ts 2� , Z 20 � ' 2 m n~.. -�-i ' w ' � ' 25 25 30 ' 30 ' 35 35 4D 40 L�GS aF EKPLORATORY BOR1�' vaii's Fr•ent Door ' En�ironmental Impa�t Repar't aos �v�. 02�-�o� Page B-3Cs �.�i�a.,.,...y ,_„__..__.... .__- - - '�. TH-14 TH-�� TH-13 {00-097} {04-097} (a0-Qg7} APP,�L $190 APP..EL. 8�90 APP.E�. 8�97 �� d o � � � ::i � :� :; �� :I �= :�::., . � � C" 29l7 2 4�112 :::::�40112 ::� � 5 h: : �: :� -Qa::� .�:::.; ::i '��� �- � -a'°� :� ::� �015 WC=7 10 10 pD=130 ' -20b=23 ' a�p 15 ' l5 ' 0 ' m r � ' W •-{ ' Lti = ', !L 2Q Z 2� Z ' _ � o~.. � ' es.� � � ' 25 25 30 30 35 35 40 40 L�GS OF EXPLORATORY B�REl1 vail's Fr�ont Door� Environrnental Tmpact Report ,�os �U. o2-t o7 Page B-37 � �.Ulisu�as�y v....�..�-.. . _- _ TH 18 TH�-17 TH=18 (04-Q97) [Da-Q971 t�0-Q97? APP..��. $223 AP�.EL. 82�7 A��..��-� 8220 � D b ,� � � � �""-' ::� �' ::� ..� = 5011 D ;,� :.� 25J12 ; �� '��' ::[� 79/72 h: ::� �t3-.ae� 5 � � :...s p� � ::� �::�.:I � �� ; �', �� �� :.I �: :::� � �.i; ��vo 5015 �'� ::..i WC=3 �� 3Z112 oa�39!12 � ..200=0 �' a wC=3 �0 l fl occs �-20a=9 :04� pAS-� :a�f �p� Q�., �°�° 50l5 15 — 15 :so�WC=2 •o�� -200=9 �� v �Qa, �Q�� . � � a� � w � _ �- 2� Z 24 � � 2 � p~„ 'i � ❑ 25 2� 30 30 35 35 40 4D LOGS OF EXPLORATORY BORI vaii's Fr�ont Dvor Environme�tal Impact Repor� .�os ►va. oz��a� Page B-38 i:onsuinng l3CLllCl..�un�.0 _.,�� -- - T1�-19 TH-20 TH-21 (00-D971 ta�-�a�} i�2-1 D71 APP.EL 821� APP EL. 8191„9 APP.EL. $193 1 � _� 0 °'� - ' � � -....� 34112 �. ' �:� , �:::::� '' ��::i::'� ! 6I�2 -,W�185 � ' C:..:_' 3fi112 .� r• 5 � ... Qeo� �°��1 ��204= 12 , y.::;'.: .m4 Z h��,�� :::t �bo� �:.� . ��aa , .00 d o 4� ' �'� �Qo� -�:� ' :::::; �:Dii ,'3-4�j �":::i � 21/12 paoo�5Q1�2 a�4217 2 �� lQ poo -44 �4�� 7 d °a� aQG o• ' ��:+p�c oo � [3'.��� dD� �t��°a bGi�� C7C , . Y�OA' OC� b'O� .. �:0��' �QQ� i�•& . � �aS? p ' I (7Q, � I �`¢eu 4fi!� CS°� �oq 1, c�o° 50110 ��-,�� 41 I6 �� 38112 Qb�WC=�7 �°aa■ i5 15 Q�o ���a� �-200= 7 4 � �-a �:ot� O�� � �40�9 �o� � '9 �~u �C��� QoQ� �.1 L1.1 �c7oa� �:4k�S� '_ � �� da'a`� 26112 20 Z zo 7� � � a -�-I w . ❑ 2� 25 30 30 35 35 40 4a LOGS OF EXPLORATORY B(7Rth Vaii's Fr'ont Daor� ' Environrne�tal Irnpac# Report ' �os n�o. a2 �o� Page B-34 , TH-22 TH-23 co2-i o�� �a2-�o�t APP.EL $S 88.0 APP E�. 8248.0 o ,� a ; � � ; , �.. � - " zaii z • 5ats 5 WC�z � -200=18 R�Q�o ' ap:a: a 6LS°yi3� GS] Q� b�:� ��a raa.ci� �! a � ��� �aq � 10 �?�� 5016 �a WC�z4 10 � ' ��, ��a�� -zao= �5 ea4�; ��3:� IL�?3:0 � �°'�� A°Q ' a��` .�:� ��:b �P� � 4�d b4?�Q! �a�a 5�19 4�v� � C3-c' 'fl� '15 � l� �'b.�i �a�l naae�; f3: ��� �oi .R 0 �,,, � c�, o, p f3:a, � • F77 C?QQ p��}- 'O l�il pESaQ� .�.. � Z �o� 3�112 °���40I10 2 2Q � °°�" 20 Z , 2 ' H - � ' � m ua ..�",� ❑ 25 2� ' 30 �� ' 35 35 ' 4�4�} 44 LOGS OF EXPLORATORY BOF vail's �ront Doar� E.n�ironmental lrnpaet Repnr't ; �oa �ao oz��o7 Page B-�40 KO�CHLEW CDNSULTING ENGINE�R�, i�tC„ Gor�sulting Geotechnical Engineers aEND: � FIE.L, G�tAVEL, Sandy, Silty, Scatcered cabbies, D�y to moist. � Loose tv mediusn �ense, Brown ta dark brown. � GRAVEL, Sandy, Cobblss, Boulders, SiEiy. Dry to �� moist, Dense to very dense, Light brown to b�awn. ��? ' . ASPHALT '.'�� SAND. 5lty, Some grave� Moist, bense ta very dense, Light .`. brown to reddish brown, � TQPSDIt .`� � -► CAVlf3G lndicates depth of caving saiis while driHing 7� REFl1SA�. lndicates practicai drill rig refusal. � _ WA�'ER. Indicates depth of water encouniered while drikling SPL[T SE'ODEV DR1VE SAMPLE. The symbal 5016 indicates ihat 50 � blows of a 140 pound hammer fallinc� 30 inGhes were required to drive a 2 0 inch O.D sampler 6 inches. CALIFDR�€tA DRIVE SAMPL�. 'The s��mbfl� 36112 indicates that 36 � bfows of a 140 pound hammer falling 30 inches were required to , dri�e a 2.5 inch O D sampler 72 inches_ , � BLJ�K SAMPLE. Obta�ned from auges cuttings ', Notes: ' 1 . Explaratory bori�gs TH°1 ihru TH-6 were drilled an October 2fi, 1998 ', borings TH-7 thru Tki-1 3 were dril�ed ors May 30 and 3'!, 2000, and , �arings �H-20 thru T�i� 23 were driEled on Sepiember 17, 2002. 2, Ground water was encountered in boring TN��3 at a depth of 2Q.0 feet , and ir� exploratory baring 7H-23 at a depth afi 17 0 feet 3 The Boring �ogs are subjeGt ta the explanatians kim+tations, and concfusions as �ontained in this report 4. Laboratory TesF Results: WC - indicates natural moisture (%1 bD - lncficates dry density ipc#1 ..200 - indicates percent passing the No 200 sieve {%} 5 Approximate elevations far barings �`H��1 thru TH-19 are based on the Tapagraphic Map shown on the l.ocatians of Exploratary Borings, Fig.2. Approximate elsvations for Tl-i��2fl thru TH 23 were measured using a Starsley Gorr�pu-�evel and are based on a known i�lei elevation LEGEND OF EXPL�RATORY BOF Vail's Fr�ont Door� En�ironmental Impact Report JOB tVO. 02•l b7 Page B-41 KOECHLE�N CONSUL'TING ENG�NEERS .rn rr . �o ^ � � � � 0 I i � toa j i I,',.� r'�� � � � � � � ti � i ! iu�, 4 � � va ' , � i I �a � , � z } ! � � � , I i � zo � I � i � 8C3 } � i I 4 '. � , � i ' ; ' � � � � ''�. rn ' � � � � � � � ; ; � , �� ; ; � � � I 4 ' { f , .� � � �ii : � , ; . . , a e° I : 'I i I � � � � � 77 � � t ' t � I ' � u.� � I I � I � � � � � � ` I � irE z V so � ' i . �� I �� 1 7Q � ��if � � � � 7 � � , I i � j ! i � '� ; I � � BO , . � I i zo I � � � � � � 4 I � 4D � I � f � I I � � I 7 1�D } I � fl � i �. � ; �I� 4 � � � ooi 000i ' ni � zoo ino 10 � DIAMETER dF PARTICLE 1N I+A11A SiLT CIAY I .3' GRAVEL SAH� , GRAVEL 4� °!o SAi+1D �' '� ', Sample af SAI�[>and GRAVEL,Si1 ' Saurce 1'H-1 (98-i48� 5ample Na. ��, EVevlDepth _ ]4.0�cct 5iL'C 8 CLAY 33 "k tl�t3�LIMIT � P!_ASTICI'TY INflEX .r ..� .s,+ ., ,.� � � ` � o � 1�� k •1R 1' � I . t00 �"�^�;�—�S 1 �n i 3 � I I� � i � � � IU I� i I � � } � i I ' � � 1 � 1 I 1 I 1 ] .� 1 �T� I I �I � � � F I � I 4 '^� � �� �� � I ` ' � I I S i � I � I l i 69 I� � ���� it , f i ! � � i I � � j ' I i ' � I I 3D � 4 � I m C7 Tp 1 �� ` i � 1 � i I 1 i � 40 m (n 6p I i I � � ' � I 4 � � a � � ; 14 � � � 4 i � � m � � ; : , i 4� i I � } � i ��� ' � � i a � � j � � I� � � � Z � ao ; � i ; � �� �i� � � ; 4 � � i � � . 7o a ' � � i � '�� ',� � i , :' ! i i � i I � � � � ; i i � ; i ! �� � 4I ' '� "° , zo �I � `� �`�`�j � : � i �1 � � ' � ,' io ' ' , ` ' j l � I s I ' I I 1 soo ' � p �� � � : � ; � j i � ; 5� I I 1 � � ao� oaa� ' t� o� 20° �� D1AM�TER dF PARTiCLE iN M1N +� ���L SANO SILT eLP`Y SAND.Gravelh•.Si1 GRAVEL 2S °/a SAhtD �_,._°/` ; Sample of °� ' Elev.lDepth 14.0 feet SILT 8 CL.AY 19 °� LIQUlfl LEMIT a, Saurte TH-=, (�8-3481 5ample No �� --�'��' p�SnClTY lNDEX GRADATION TEST RES� 1� TS ' Vail's Fr�ont Doar ,1ob No 03-1�7 Envir•ou�nental Impact Report Page B-4z ' KOECHLEIN C4NSULTING ENGINEERS �. �,�� .,� .,o � _•� fl ,�� � '°° � I � i i �� � � I i�� l ' l � ,� � � ; . ; � � � i � 4 � '� ; � � � , { so � . 1 + ' ' � � ' , � i ; , � i I � ' ' ; t � l � � rn �o � i ` � I : � � I I � � i '� j � I 4 � 1 � �` —�--. <o m ! � � ' � � z ', s° i , , � 3 � � � i � � � � � : !I ' !� � � � � m 50 , ' , i � i -�! ; � ? � � i �° Z � �o j , ; � , i , i � m ; ; ' � , i ,I � ti � � ' � 7n ° 3° , i ', � 1 � � ao ; i � ' ; � � zd � E � � ' I � , en I -� I I I I I I � � � � o � � � � j i I ! ! 1 � � � I ! tioo �.1 4 0 3 fl 001 �200 1W � tU � �'., DVAhl1�TER��PARTICL�IN MM ,3• GwavEL sr.HO si�.r cu0.Y ' 5ample oF SAND,Gravel! ,5i1 GRAVEL 3.i; � SAND 43 '�6 ', >curce TN-5 l9S-34B1 Sample No. Elev.Jflepth 9.4 feet SIL'T&CLAY 24 °� LfQUO L1Ml� °� PLASTIC�Y lN�EX x 1 � �� ir� ar . r+' r.�n •i n�n : I 0 I '� Rr ;l N; 7 i �' i I S I � �i y ; ,I^ I 1 i I I I I � ` � ' S '� ' � I I t ; . I •�_ i f ' ! �I : I I I 1 I � I � � 4 � I I j � � i I } I � i � i 2 U � '� � i ti s � � � � 4 �� � i I � � !E ' ' �� � � ; � � 4 1 � � 1 m �o • � Z i lil � 't � �� � ! j I �a � � � �p i ' I j � � i i � � ;, I � � ¢ I I i � I I I j �' �3 a s i � ' } , m � i � � � � ; � _ s -i Z ^� I� � s 1 � i � gp a li.l � ; I ' ' �i 1 !� - i . Z � 44 � i+l � � y I I i a � � I � � I I � � � � � I 7D a ' . � � � . i ; � ' I I � � �E � � � ' eo Za �i ! � � � i � � � � I � � � � � � � � i so- � I I • i I I ; II ton o � � i , � �` � � 3 1 i 1 1 � �I � I o 1 � I a o, a nos zoo tioa �o t DIAMETER bF PARTICLE !N N!M .�. � GRAVEt SAND SllT �E'n'Y ' Sample of 51E.'T,Gravelh. 5and� GRAVEL 30 •k SAHD 27 '� Souvice TH-5 f4$-3481 5am}�le No. Elev.l�ept� 14.0 �eet SILT&CLAY 43 X L1�UlB LtNi17 '� PL_ASTICiTY INbE7( �� ' GRADATI�N TEST RESt �� T� ����o a,-E�� Vaii's F'ront Door Environrrtental Impact Repor�t , Page B-43 ' KOECHLEIN CONSULTING ENGtNEERS s� s�n we .co aem ..�o 40U ' i'! i � � � I I �' � � I I � � k � iQ 9° 1 ( i � � � 86 � I � � ( I I ; 4 ' ; � � � � �o f � ! � i i � I � I <a r�i so , : . � ¢ I � � 'E I 4 � � i I � I I � � d 5� 3 ! X1 izi.l I � ' I I I I I f I � 5p D � 4� � I 4 � a I � � ! 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INCI-iES S�LOW �OP bF FO�TING AT 7�lE HIGHEST POtn�� AND SLOPE DOwtvWARD TO A PQS�i'1VE GRAVi�'Y OUTLE; OR TD A SUN1P WHERE WA�ER CAN $E REMOVED 6Y PUN1PlNG. 2, EXCAVATlONS AOJACENT TD FOOTINGS 5�10L�LD BE CUT A7 A t TO I 1 (HORIZqNTAL �0 VER7ICAL) OR FLAT�i�ER SLOPE FROM THE BOTTO[� ' OF THE FOQ�lNGS. EXCAVATiONS AD.IACE�f� �0 �ObTENGS SHOULD �1��' BE CtJT vER71CA�L� 3. THE DRA1N S�►OULD B� LAId ON A $LOPE RANGING 8E7WEEt� 3/8 ' INCH AND 1/4 INCN DROP PER �OQ7 OF DRAIN. ; 4. GRAVEL 5PECIF�CATIONS: WASH�D 1.5 l�1CH TO N0. 4 GRAV�t ', W1TH LESS THAN 3% PASSING TH� N0. 200 SIEVE. ' 5. TH� BELpW GRApE CONCRE�fE FOUNDATION WALLS SHOULO HE �RQTECTED �R01�A Mp1STURE 1[�I�ILTRATIO�f BY APPLYING A SPRAYED ' ON MAS71C WATERPROOF�NG �R AN EQUIVALENT PROTECTiON AA�T�tOD ', TYP[CAL V1lALL DRA1N DETA�L .�oa �o a2��ia7 VaiPs Front Door Envir�onmental Irnpact Repor�t Page B-SZ t\Utt�l"3LCIIY LIJ��JLtL�u�v L���s���s����.�i+�«.� Consulting Geatechnica[Engi�eers CLAYEY $ACKFILL �� — 1 �� !=_ — —'�— -`� �tANUFACTIiREA �I�I ��—� WAlL ORAIIrt f CO�iPAC�ED GRAhEULA32 REFAtN1iVG WALL -�� BACKFILL EDGE OF EXCAVA�ION (EXCAVATE A5 PER QSHA RECULATtONS} �4YA7ERPR04fING FILT�R FAB IC G E� o�0 o fi lNCH �lA1�AETER PEAFORATED P[PE t�OTES: 1. DRAtN SHOULD $E SLOPED DOWNWAR❑ TO A POS17[VE GRAVI7Y OUTLE3 OR TO A SUMP WME�� WATER CAN BE REMOV�� BY PUMPING 2. TNE DRAEH 5�ou�D BE �iD pN A SLOP� RANGtNG BETwEErv �/8 INCH AI�ED 1/4 INCI-i pRpP PER FODT OF' DRAlN. 3. GRAV�L SPEC�FECAT10H5: wAS�iED 1.5 WCH TO NO. 4 GRAV�L WkTf-� 1.E5$ THAN 3� PAS5ING TH� NQ. 240 SIEVE 4. THE $E�Ow GRADE CDNCRETE FOUNpATlDN WALLS SHDU�� BE PROTECTED FROM MO15TL�RE 1fVFlLTRA�lp�1 BY APPLYING A SPRAYEp O�i lylASTkC WATERPRQ0�ING OR AN EQUtVALEI�T PROTEC�EON METNOD. TYPfCAL RETAINING 1dVALL DRAtN DETAlL JDB,.N�..43-1D7 Vail's Fr�ont Door� E�vir�anmentaf lmpact Report Page B-53 U Z [A ' �-• �•, � �`+ (� ' . � r� }. 7� y �s �] �1 � � �+ � I.. ,,,� ClJ 6/] cG 1%. C!] ,� �/] �_,] `I} V'7 Z ',. � � � � � � � � � � � Z �''�, „a S� � 4.> �' Q � � a� 0] a� LiJ c � c�a � j 2' eo ?+ � � m � C� � E-�- v {j C7 `L° r¢n C7 �' C7 � V C7 Z � z z � � (Q U � a Cz.l � �-' . � � ¢ .r�r� �.�n �n � c�i� � r� Q c�r� � � � v� � � U Z w � v = z � � � r!� � r� o� c r+� r� o, r �O � N � � O LZ] o� nl � tt N r*� °� X < z � � � U � � � f-� A 4 ' ..� � ? 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E ..-. o � U L � � 6"Recessed ~ � � � Can �� 6"Recessed � L Can � S S � J (� I � � (Q `hY � (6 U � +-� L U I � � � N � Z � Operator Station Electrical Plan o o � RECEI VED SCALE:%Z"= 1�_0 � a w � � Z p � w By David Rhoades at 3:45 pm, Jun 04, 2012 ' o z 4 a Q �