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HomeMy WebLinkAbout1.0 Applicationa August 23, 1990 Planning and Zoning Commission Garfield County, C0 Dear Commissionens: I wish to enlange the building envelope on Iot #2 Cottonwood Hollow Suhdivision in order to allow an elongated "Solar ef f icient" design. Also, the house nestles into the side of the hill and will r'equlre deep excavation at the rean of the "walk out" downstairs, The presence of extremely lar'ge bouldens may necessitate shifting the house to avoid immovable nock, Thank you for^ your attentlon on thls matter, Yours sincerel t c tephen Heinig J To: Stephen M. Heinig and Karen Ann O1son FROM: Gailen B. Smith and Pamela D. Smith DATE: Septenber 25, l-989 As Setler and Chairman of the Cottonwood Hollow Subdivision Horneowners Association, we hereby grant to Stephen M. Heinig and Karen Ann olson Permission to erect a power pol e in the existing utilitY easement at a place within approx imately 60 feet from the building envelope. This permi ssion is however sub ject to the au'ity of Holy Cro ss Electric Associat 10n. Gail B. Smith Pamela D.Smith a September 18, 1989 Cottonwood HoLlow Homeowners Association P.O. Box 116 Glenwood Springs, Co. 81602 RE: Lot Z, Cottonwood HoIlorg Subdivision Stephen M Heinig, Purchaser Dear Sir: The the the Cottonwood Ho 11ow Homeowners Association hereby relocation of the buitding envelope as per item Contract to Buy and Se'II ReaI Estate dated Sept' Re tfully Your approveFin 7, 1989. GaiIen B. Smith, Chairman *" SEP-2S-'E9 I'10N 11:83 ID:KHNEHREE EHPRESS CJT TEL -t'lE 383 243 9624 fr=24 PA? Eeptenher 25, 1989 tlr. Gai len snith P.o. Box Z4l SnosrnasB, Colorado 8I651 Re; Test PIt InspectlonI.ot 2t Cottonwood Hollow Sub.\CattIe Creekr Gurfield County Gent leuen, As requested, Irincoln*DeVore personnel have recently coupleted atest Pit excavation evaluatlon at the above referencedl site todtteruine the condition of the foundation bearing roils. Our concluaiona and reconhendlatlonr for the ciLe are presented below: EgiI ElaeSif,iqaiieni fhe soils on thir slte are qulte varlablerranging fron aoattered cobbles and gravels in a low plastic claynatrix in the upper 2-l/2 feet to a nedlua to largc bouldera ln avery sandy clay natrix. These soils have low expansiveptoperties. Thc allowable hearing capacitiea of the soilr are 2600 pef maximum and {00 ptf niniuutr, UaU=pa0S Etlli The soils encountered in our teat horinga appearto be native to the aite. Ill building foundlations nust penetrate any [an-nade fills which are present at the aite at thlc tlne, aswell aE eny fills t{hich rerult frou the excavaLion process.Carefull examlnatioD of the open etccavationtrill be necessary todetermine' the ptesencc or abaence of man-made fillg. The opene*travation nuat be exauinedl prior to the placenent of concrete toe8tabliEh that fiaterials of, proper detlgn bearlng oapacity have becn exposed aud.'that no toft spoti or ilebrlE are present in thefoundatioa area, A 24 hour notice ,ls required f,or al l f ieldexanlnatlons to enable Lincolu-DeVore to cchedule persobnel andprovlde service when ueeded. .. EAII UgiEtUEg ECUiliLiqUgi tloderaLe. Free water waa observed ata depth of I feet belor the exlsting ground surface. Eeun0aLisn Iygg EggqBEEu0Eli A properly designed shallowfoundation system based upon the above allowable soll bearlngtrtpatritiGt would be eppfoptlett for thla tlt!. Llncoln-DcVore hasnot been provided uith a set of coustruction drawlngc for thisstructure, therefore, we cannot provide precice foundatiou reoomuendationa. If you wlsh Llncoln*DeVore to oonplete a fornalfoundatiqn dealgn for thia Etructure, please provlile uE Htth a Uncoln DeVore,lnc. Geolechnlcal CorrsullanlE 1441 Motor St. Grand Junction, CO 81608 (3os) 242.s968 I I I I i t * 'ti t 5EP-25-'E9 l'lON L!z@4 ID:KRNGHR0E EXFRESS GJT TEL NE:3A3 243 9624 H52E PE3 erping watsr frsu round this building I r' Hr. 6ai leII SrDithIot 2, Cottonwoodl Hollow Bub.Septeuber 2S, lgggPage 2 Eaqkftlli. To reduce settrcmenr and aid rrr.ching bentrrh t,htr bul ldtngr at f --Uacfrf it get of constructlon drawlnga i Seinfolgingi. AII foundation sten l.lalls should he designed as"grade beams" capable of spEnning'at least ten f eet. t{here thefoundarion sren wltts are ritati"6rv-srrailow-r; ;;igr., verticalreinforcing will not he tteceEsary. flowever, rn the war Isretaining soil in excesB of { ieet in---iirght, verttcaLreinforcing may be neceBeary to reriat the lit6iar presEures(restrainedl casi) of the ?oi!s-alont-ti. warl exrerror, To aidin designing auch vertical "eini6r"lng, ah equivatent fluidpre8sure (E.F.p) on the order of {6 psr wiutd--ne -ippr"prtate. EICOT Elebf;i Floor slahc on grade, lf itty, should be positivelyEcparated from all structural^ portione-of this bui Iding andallowedl to f loat freely, Fregueut-scoiirrg (eontrol jointa) of theslabs shourd be proviaia to.dlron i;;-poirible riiitnltage crackingof the slab. Tlese control iointi-stiuta be place6 ro providenaxlnun slab areo' gI ,ipipiiilii;ti Iild rqu.., feer. Any nan-nadeftll placed berow flooi-iraba on-il;d; shoutd ue'conpacred ro aniniuun of 90r of lts naxrnun Hodriiea proctor dry density, . AsrHD-l 552 ' Theee sor la strouio il-;iic"a at a norsture contentconduclve to_ lhe--.reguirea conpaltion (usually proctor optilruunoisture content l1l, The- h-agnitude of expansion measured of the sotlr on thio site issuch that floor slab novenent ehoutd be expected. if slab-on-gradeconetruction is used. rron-b"aring-piitrtions ruiling on slabsshould he construcred wi[ir--i--"niiinu" inch - -void Epace,preferabry at the botton, to allow for freedon of movenentwithout affecting the roof .ir froJi-i[ov" (see a[ticnea suggesteddetail ). Alr --bear_inf -partitions -should have their ownfoundations' If itrii ii -;--[iJE,n"nt or nurri-reuer rypeconEtruction, Etairwdl'6 between floori should not be constructeda! e rigid connection,- but should allow for vertlcal noveuent ofthe floor slab, Eralnagg eud Aeg$lqgi EurracE gradling shoutd be complet,eil in sucha ranner that all runoff nolstilre ii-renovea rron tire vlcintty ofthe structur.e as qurckry as poasible. Roof downspouts and eillcoclts should be cafrled icrosi alI backfill areas lana allowed todischarge welI alray fron ti9 pyildrng. AII lawn sprinkling headgshould be praced- at reast r0 rie['"way fron the foundation.Future owners of thts residince riiiro-Ea adviiea-t6 filt in anysettled yard erea8 to erininatq ponding of water near the houaeand to provide- adequate rlope.-roi-proiir drainage away from thehouse and off the siti at-irr timea'. + - nklr 2 a SEP-25-'89 I,IEN 11:85 ID:KHNEHREE EXPRESS EJT TEL NO 383 243 9E.24 fr=?A PA4 Dlr. Gai len Snith LoL Z, Cottonwoodl Hollow Sub. Beptember 25' l9Bg PaEB 3 should be mechanically compacted to 80I of its maxlnum ltodified fro"t"t ary density eSiU D-i55?, The only GxcEPtlon to thls would be the "orpon"ota 6f the perimeter fountlition draln, if any' Alt backfill sirould be conpot"d of thc httlve aoils ancl should not be ;t;;;d-Uy-soaling, Jelttng or puddIing. Arr bachfiIl placed .inirtitity trenchei'around tf,is slructure or below foundation walls should be uechanically conpacLed to a miniuum of 90f of lLs naximum llodlif ied Prootor dry dlenolty ASTII D-I55?. These aoils ;iluld be placed at a noistlre content conduclve to the required coupaction (uaualIy Proctor optinun content t'21' qgnent fypei TyPe II Cenent shoultl be used ln all concrete ion[ict witt the ioil on thit rite. Calciuu Chloride should be added to concrete containg a TyPe II Cenent. in not should be for frostBenatkqi The bottoms of aIl exterior foun(tations locared a ninimum of 24 incheg below finished grade protect i iln , Respectful ly eubnitted, LINCOLN-DeVORE. INC' By: Bdward H.orris EngInger/tlectern SIoPe llanager LDTI JOb T?II95J 3 I 1 Y l i I : I I j J h ;, i: rt i 1-.'. r.l I i l I I \r- {_ + <l i :. ,'r i_ io I