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HomeMy WebLinkAbout1981-16 Amending Uniform Building Code 1979 Edition; Setting Forth Standards for the Construction and Repair of Roofs in the Town of Vailr .r . [` ,~ ORDi NANC E NO . 16 ~~„~,~''~.: ~~ SERIES OF 1983. r.., :k AN ORDINANCE AMENDING THE UNIFORM fUILDING CODE, 1979,. '~-~-- EDITION; SETTING FORTH STANQARDa" FOR THE CONSTRUCTION''~`'`'~ ~~~. AND REPAIR OF ROOFS IfJ THE TOb1fJ OF VAIL; PROViDiNG THA ~ ~~ ~~ ~~ ~~.~: 5AID CODE A~JD Ai~ENDMENTS f3E AVAILAf3!.E FOR INSPECTION AT 7s; ;, ;r:_,;;;_;,,~. ;~; T}IE OFFICE O1= THE TOWPd CLERK OF THE TO~~N OF VAIL; AND veil, colof~~;~c ~;~:. DESIGNATING A PUBLIC HEARING THEREGN; Ai'JD SETTING FORTH of}ice ai i:a~,•rn c!oric DETAILS IN RELATION TO THE FOREGOING WHEREAS, the Charter of the Tor•rn of Vail and the Statutes of the State of Colorado provide that standard codes may be adapted with amendments; WHEREAS, the Town of Vail has adopted the ].979 edition of the Uniform Building Code with amendments; WHEREAS, the Vail Fire Protection District has conducted an inten- sine investigation as to the potential of a conflagration in the Tovrn of Vail; WHEREAS, the results of the conflagration study have been published and show that combustible roof constructian would be sus~eptibie to and contrib- ute to a conflagration; WHEREAS, most of the roof constructian iti the Town of bail and the surrounding area is of combustible canstr°uction; WHEREAS, other factors contributing to a conflagratial~ have been shown to be narrow streets and consistent 4•rinds, ~rhirh are common to the Vail area, and to which no possible solution exist; WHEREAS, the insurance rates are established according to the grading schedule as determined by the Insurance Services Office; WHEREAS, the Insurance Services Office has determined that combustible roof construction, narro~~~ streets, and consistent winds affect higher insurance rates and has endorsed the adoption of and enforcement of this ordinance; WHEREAS, the economics of roof construction and maintainence thereof are favorable to the taxpayer by passage and enforcement of this ordinance; WHEREAS, the United States Forest Service has measured the wind direction and velocity, the fool moisture, the relative humidity, the cli:mate factors and the fire danger for the Holy Cross District and determined that the adjacent forest poses a threat to the fire safety of the Town of ~-ail durring certain times of the year and durring certain conditions, and that the dander of a conflagration doses a threat to the forest lands;- WITEREAS, ?he United States Forest Service endorses the adoption of this ordinance; ~ . ,~. ~~ PAGE 2 ORD. 1120. WHEREAS, due to the difficulty in fighting and containing the spread of roof fires; WHEREAS, certain types of combustible roof construction has been banned in other cities and states due to the proven hazards of combustible roof construction; WHEREAS, these factors and others, when taken,as a whole, pose a very real threat to the safety of persons and property in the Town of 'rail; WHEREAS, the Town Council of the To~~rn of Uai1 is of the opinion that the public health, safety and welfare would be better served by t2~e adoption of this ordinance; IOW, THEREFORE, BE IT ORDAINED BY THE TOWN COUNCIL OF THE. TO',~2N OF VAIL THAT: Section 1. The following amendments are made to the 1879 edition of the flniform Building Code, as adopted by the Town of Vail: A. Section 1704 sha11 be changed to read; Roofs Sec.1704. Roof assemblies for all buildings and structures shall conform to Tables 17 B, 17 C, and 17 D. Skylights shall be constructed as required in Chapter 34. Penthouses shall be constructed as required in Chapter 36. For the use of plastics in roofs, see Chapter 52. For Attics: Access and Area, see Section 3205. For Roof Drainage, see Section 3207. , B. Section 1717 (b) 4. shall be amended to read; Foam plastics may be used as a roof covering if ' the foam plastic is part of a Class A, B o~° C roofing assembly 4vhen installed in accordance with Tables 17 B, 17 C and 17 D, That plastic foam tivhich is nearest the interior of the building shall be protected by an ap~l~raved barrier. C. Chapter 17 shall be amended to include Tables 17 B, 17 C and 17 D, whic}~ are attached hereto. ..:~~ r 1 p11DE 3 TABLE 17 B ROOF ASSEMBLY REQUIRED ACCORDING TO ZONE zoNE .Single Family Residcntal Two Family Jesidcntal Two Family PrirTiary/Secondary Residcntal Cluster Low Density t~1u1 ti-Family Medium Density Multi-Family High Density Multi-Family public Aecomadation Public Usage Commercial Core 1 Commercial Core 2 Commercial Service Center Agriculture Heavy Service Greenbelt Parf:i ng Speci a1 District c C C C k A A A A A A A C A C C c * Structuresin Special Districts shall be rated according to the zone most 7iice that which resembles the usage oi= the structure. TABLE 17 C ROOF ASSEi~6LY REQUIRED ACCORDING TO JjSAGE USAGE ~~ OttD. N0. CLASS ROOF ASS1wt~i131.Y REQUIRED CLASS ROOF ASST=i~~iBLY REQUIRED A Occupancies A B Occupancies A E Occupancies ~ A H Occupar~ci es A I Occupancies A M Occupancies C R - 1 Occupancies ~ A R - 3 Occupancies ( Four-plex and less ) C R - 3 Occupancies ( Larger than a four-plex } A TABLE 17 D ROOF ASSEI~JBLIES REQUIRED ACCORDING TO TYPE OF CONSTRUCTION TYPE OF CONSTRUCTION I F.R. I I F.R. II 1 HouR II N III 1 HOUR III N IV H.T. V 1 110UR VN R A A A A A C C C EXCEPTION: When determining the required roof assomhly fora structure, Tables 11 A, B, and C shall be consultr~d. The highest recluir,ed t3ssc~rrrhl,y accorciirrg to ~onc, type of Construction or usage s~ri11 be used. {~l1 roof ~~ssE~nritlic~s using -~oocJ shai:es or wood shingles shall bc~ ~~ nrininutin Class G a~;scriihly. C113ss l3 asscmhlic~s array t~c~ used wheat a Gl~rss C rnininrrnir rating is required. C1~~ss A asscl€lil)liCS rimy he usc~cl ti~nc~~n Class C asserrr~~l~ies ~aro' reeJ~rirc~d. Sr~e lJnifnr•~rr E~irilding f.r~de Si:cind~rrd 32~/, and fh~Ei~ter 32 of this Code. CLASS ROOF ASSEMBLY REQUIRED ~~~ ~~• ~i PAGE ~4 ORD. NO - _._. D. Section 3202(b) shall be amended to read; Quality of Nkaterials. The quality and design of roofing materials shall conform to the applicable standards listEd in Chapter 60, allowing far new methods of construction, new designs and new mat- erials which have been tested and approved by a recognized authority. The Building Official, may at his discretion, require proof of such test and results. E. Section 3203. (b} shall be amended to include; Class A Roof coverings are effective against severe fire exposures. Under such exposures, roof cover- ings of this class are not readily flammable, afford a fairly high degree of fire protection to the roof deck, do not slip frarri position and pose no flying brand hazard. Class A roof coverings and assemblies shall comply with. U.B.C. Standard~_!32-.7 of the 1979 edition of the Uniform Building Code Standards. CLASS B ROOF coverings are effective against moderate fire exposures. under such exposures, roof coverings of this class are not readily flammable, afford a moderate degree of fire protection to the roof deck and pose no flying brand hazard. Class B roof coverings and assemblies shall be in compliance with U.B.C. Standard 32-7 of the 1979 edition of the U.B.C.Stds. CLASS C ROOF coverings are effective against light fire exposures. Under such exposures, roof coverings of this class afford a measurable degree of fire protection to the roof deck, are not readily flammable do not slip from position and pose no flying brand hazard. Class C roof coverings and assemblies shall conform to U.B.C. Standard 32-7 of the 1979 edition of the U.B.C.Stds. L-XCEPTTON: All roof coverings and assemblies using ~vaod shakes ar tivood ahingles shall have a minimum of a Class B r~~ting as spcc.~ified in U.B.C.Std.3?.-7. ~~ r+ ~ACe 5 oRO.NO. F. Section 3203.{d) 1. General. shall be amended to read; Application of roof materials listed in Table No. 32-B shall be in accordance with the pro- visions thereof. All roof systems shall be either Class A, B, or C and shall be installed in accordance vrith Tables 17 6,17 C, and 17 d. All roof systems shall be approved and fisted by an approved agency and shall be installed in accordance with the manufacturer's recommendations. Where there is an apparent conflict in standards in this Chapter, the more strict standard shall apply. G. Chapter 32 shall be amended to include; Section 32D9. Re-Roofing. All reroofing shall comply with the standards of this Code. EXCEpTIDi~: Repairs and maintai~ence done to a raof,totaling less than 10°0 of the square~foatage, in one colander year, or less than 25% in a 3 year period may, at the discretion of the Building Official, be exempt from compling with requirements other than those in effect at the time of the original installation. Section 2. Three copies .of the amendments proposed by this ordinance shad be available for inspection at the office of the Town Clerk of the Town of Vail, Colorado. Section 3. Tf any part, section, subsection, sentence, clause or p}irase of this ordinance or of the l~niform Building Cade, 1979 edition, is for any reason held to be invalid, such decision shall not affect the validity of the re4r:aining portions of this ordinance or of the Uniform Building Code, 197; edition; and the Council hereby declares it would have passed this ordinance and each pt~rt, section, subsection, sentence, clause nr phrase thereof, regardless of t~.he fact that any one ar more parts, sections, slf~l~f'ct~ions, srnt:cr3res clauses ar phrases ~~ ~-! PAGE 6 be declared invalid. Section ~. ;~M There shall be a public hearing for the consideration of the adoption of this ordinance on the 7th day of April, 1981, at 7:30 p.m, in the Town Council Chambers, Municipal Building, Vail, Colorado, The Town, Council hereby finds, determines, and declares that, this ordinance is necessary and proper for the health, safety, and welfare of the Town of Vail and the inhabitants thereof. INTRODUCED, READ ON FIRST READING, APPROVED AND ORDERED PUBLISHED ONCE TN FULL, this 7th day of April, 1981, and a public hearing on this ordinance shall be held at the regular meeting of the Town Council of the Town of Vail, Colorado, on the 21st day of April, 1981, at 7:30 P.M, in the Municipal Building of the Town of Vail. ~. .~ , _. ~, Mayor . ATTEST: ~~ ~~~:~Gttil ~ ~ / Town C~.erk INTRODUCED, READ AND PASSED ON SECOND READING this 21st day of April, 1981, and ordered published 14iayor ~ ; ATTEST: ~/~/~ ! e ..~/ " t. Town Clerk r 3 o' CD ~' a r~ ~: ~,~ ~- rn G7 (fi ~_ `= ~ n ~, o ~- o a ~ =' a °- c~ -« O _~ ~ ~ O ro ,~~o a. 7 ~ a ~h ~ o 1_` ~ O ~ 1v ~~ a 5 O 4 3 (D O ~ ~ ,p O 1y c*!\}~ ~ 7 ~ ~ ~ Q. 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The highest required assembly aocardiny to zone, type of canatrucllon of usage wit! be used. qll roof assemblies using wood shakes or woad shingtea shall be a minimum Gass B assembly Class 6assembliesmay bs used when a Class C minimum rating is required. Class A assemblies may be used when Class C assemblies are required. See Uniform Building Code Standard 32-7, and Chapter 32 of this Code, D. Section 32{72(b) shall he amended fo read, Quality of Materials. Tiro quality and design of 'roofing materials shall conform to the apRticaWe standards listed in Chapter so, allowing for new methods of Canalru coon, new deslgna and new materials which have been tested end approved by a recognized authonty The Building Official. may at his discrer,on. require proof of such test and results. E. Section 3~03ib~.shall be amended io include: ~ ~ ~~'.,, ~ . .:, .,_ , Class A rObi Cpverl[1gS are~etteWive against severe fire expaautes Unger such exposures, rgoi coverings "of Ibis class are not readily flammable, atlattl a fairly high degree of fi,e protection to the tool deck, tlo not slip from .position and pose no flying brand hazard, Class A roof coverings and assemblies olio€I compy With U.B.C._Standard 32-7 of the 1979etlition al [he Uniform ~Buitding Code Standards- 'Class B Root Coverings are eifectlve against moderate tiro exposures. Under such exposures,,root coverings of this classaro not reapilyflammable, atfom a matleratedegree o+ fire protection to the roof deck and prase nn flying brand hazard. Class B rovfcoveringsand assemblies shalt ba in compliance w,th U R.C. Standard 32-7 of lha 1979 edition vi Ina U.6 G Standards. Glass C Roof coverings are eHecuve against light fire exposures Under such exposures, roof Coverings of lh is class afford a meal a ratite degree of fire protection to the tool deck', are not readily flammable do not slip from position and pose no ilying brand hazard. Class C root coverings and assemblies shall caniorm ra U.B.C. Standard 32-7 of the t979edition of the U.B.C. Standards. E%CEPTION: A11 roof coverings an,t asaembiiea Uling Woad s[rakea Or wotxf 6hingles Shall have a minimum o[ a (`ilaaS 6 rating as specified in U.B.C. Standard 32-'r. f. Section 320.3{dJ t. General. shalE be amended to read: Application of root materials listed in Table No. 32-8 shall ba in accordance with the prgvisloris thereof. A11 roof systems shall be either Class A, B or C and shall ba insiailed in accprc~pCe_wilh Tables 176, 17C and 97D. All -roof sy's`tems shalt beapproved and listed by an approved agency and shall be instaliod in eveardanca with the manufacturer's r9cvmrhenda[ions: Where there is an &pparent conflict in standards In this Chap[ar, the more strict standard shall apply. ` G. Chapter 32 shall be emended to include: Section 32p9. Re-Roofing, All reroofing shall comply with, She atandarda~ of this Code. EXCEPTipN: Repairs and maNenance done to a roof totaling fess'ihan 1096. of the square footage, in one'calendar year. or less than 256ro in a 3 year period may, at the disaetivn of ilia Building 4tticial, he exempt from compling with requirements other than [hose +n effect at the time of the original installation SECTIpN 2. Three copies of the amendments proposed by this Ordinance shall be available for inspection at the Office of the Town Clerk of the Town o1 Vail. Colorado. SECTION 3. Ii any part, section, subsection. sentence, clause ar phrase of this ordinance or of the Urriorm Building Code, 1979 edition. is for any reason held to be invalid, such decision shalt not affect fhe,validlty of ilia remaining portions of lhis'ordinairce or of Cho Uniform Building Code, 9979 edition, and the Gounc,i hereby declares H would have passed rho; ordinance and each part. section, subsection. s[ntence, clause or phrase thereof, regardless of the fact that any one or more parts, suctions, subsections, sentences, Clauses or phrases be declared Invalid. SECTION 4. There shelf be a public hearing for ilia considerntion'of the adoption a! this ordinance on the 7th day of April, 7981 at 7~,3a p.m. inthe Town Council Ghambers, Municipal Building, Veil, Cnlorada, $ECTION 6. The Town Council hereby finds, determines and declares that this ordinance is necessary and proper for the health, safet and welfare of the Tawn of Vail and the inhs~ltants thereat. INTRODUCEp, READ ON FIRST RCApING. APPROVEp AND ORDERED ptSBLIStiED ONCE IN FULL, this 7th tley o1 Aprih 19131 and a public hearing vn this ordinance shall beheld a[ the regular meeting o1 the Town Council of the Town of Vail, Colorado on the 21st day v1 April, 1987 at T30 p.m. in the Municipal Binding of the Tawn o1 VaU.. - ' TOWN 13F VAIL Rodney E. Slifer ,' _ Mayor ATTEST: CoNeen M. Kline town Clerk Published In The Vall Trai! ' , ~ on April t0. 1981