HomeMy WebLinkAbout1982-21 Amending the Uniform Building Code, 1982 Edition; Setting Forth Standards for the Construction and Repair of Roofs in the Town of Vail..«rr~
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ORDINANCE #21
(Series of 1982)
AN ORDINANCE AMENDING THE UNIFORM BUILDING
CODE, 1982 EDITION; SETTING FORTH STANDARDS
FOR THE CONSTRUCTION AND REPAIR OF ROOFS IN
THE TOWN OF VAIL; PROVIDING THAT SAID CODE
AND AMENDMENTS BE AVAILABLE FOR INSPECTION
AT THE OFFICE OF THE TOWN CLERK OF THE TOWN
OF VAIL; AND DESIGNATING A PUBLIC HEARING
THEREON; AND SETTING FORTH DETAILS IN RELATION
TO THE FOREGOING.
WHEREAS, the Charter of the Town of Vail and the Statutes of
the State of Colorado provide that standard codes may be adopted with
amendments; and
WHEREAS, the Town of Vail has adopted the 1982 edition of the
Uniform Building Code with amendments; and
WHEREAS, the Vail Fire Protection District has conducted an
intensive investigation as to the potential of a conflagration in
the Town of Vail; and
WHEREAS, the results of the conflagration study have been published
and show that combustible roof construction would be susceptible to and
contribute to a conflagration; and
WHEREAS, most of the roof construction in the Town of Vail and
the surrounding area is of combustible construction; and
WHEREAS, other factors contributing to a conflagration have been
shown to be narrow streets and consistent winds, which are common to
the Vail area, and to which no possible solution exists; and
WHEREAS, the insurance rates are established according to the
grading schedule as determined by the Insurance Services Office; and
WHEREAS, the Insurance Services Office has determined that combustible
roof construction, narrow streets, and consistent winds affect higher
insurance rates and has endorsed the adoption of and enforcement of
this ordinance; and
WHEREAS, the economics of roof construction and maintenance thereof
are favorable to the taxpayer by passage and enforcement of this
ordinance; and
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WHEREAS, the United States Forest Service has measured the wind
direction and velocity, the fuel moisture, the relative humidity, the
climate 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 Vail during certain times of the year and during certain
conditions, and that the danger of a conflagration poses a threat to
the forest lands; and
WHEREAS, the United States Forest Service endorses the adoption of
this ordinance; and
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 com-
bustible roof construction; and
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
Vail; and
WHEREAS, the Town Council of the Town of Vail is of the opinion
that the public health, safety and welfare would be better served by
the adoption of this ordinance;
NOW, THEREFORE, BE IT ORDAINED BY THE TOWN COUNCIL OF THE TOWN OF
VAIL THAT:
Section 1. The following amendments are made to the 1982 edition
of the Uniform Building Code, as adopted by the Town of Vail:
A. Section 1704 shall be changed to read;
Roof s
Sec. 1704. Roof systems for all buildings and
structures shall conform to Tables 17B.1,17C, 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 3204.
For Roof Drainage, see Section 3207.
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B. Chapter 17 shall be amended to include Tables 17 B. 1,17 C and
17 D, which are attached hereto.
TABLE 17 B.1
ROOF ASSEMBLY REQUIRED ACCORDING TO ZONE
ZONE CLASS ROOF SYSTEM REQUIRED
Arterial Business District A
Single Family Residential C
Two Family Residential C
Two Family Primary/Secondary C
Residential Cluster A
Low Density Multi-Family A
Medium Density Multi-Family A
High Density Multi-Family A
Public Accommodation A
Public Usage A
Commercial Core 1 A
Commercial Core 2 A
Commercial Service Center A
Agriculture/Open Space C
Heavy Service A
Greenbelt C
Parking C
Special Development District, A
Commercial Core 3 A
* Structures in Special Districts shall be rated according to
the zone most like that which resembles the usage of the
structure.
TABLE 17 C
ROOF ASSEMBLY REQUIRED ACCORDING TO USAGE
USAGE CLASS ROOF SYSTEM REQUIRED
A Occupancies A
B Occupancies A
E Occupancies A
H Occupancies A
I Occupancies A
M Occupancies C
R - 1 Occupancies A
R - 3 Occupancies C
TABLE 17 D
ROOF ASSEMBLIES REQUIRED ACCORDING TO TYPE OF CONSTRUCTION
TYPE OF CONSTRUCTION CLASS ROOF SYSTEI~4 REQUIRED
I F.R. A
II F.R. A
II 1 HOUR A
II N A
III 1 HOUR A
IV H.T. C
V 1 HOUR C
V N C
EXCEPTION: When determining the required roof assembly for a
structure, Tables 17 A,B.l,and C shall be consulted. The highest
required assembly according to zone, type of construction or
usage will be used. Class B assemblies may be 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.
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C. Section 3203 (C) shall be amended to read;
Quality of Materials. The quality and design of
roofing materials shall conform to the applicable
standards listed in Chapter 60, allowing for new
methods of construction, new designs and new materials
which have been tested and approved by a recognized
authority. The Building Official, may at his discretion,
require proof of such test and results.
D. Section 3203. (b) shall be amended to include:
Class A roof coverings are effective against severe
fire exposures. Under such exposures, roof coverings
of this class are not readily flammable, afford a fairly
high degree of fire protection to the roof deck, do not
slip from position and pose no flying brand hazard.
Class A roof coverings and assemblies shall comply with
U.B.C. Standard Sec. 32.701A of the 1982 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
32.701A of the 1982 edition of the U.B.C. Standards.
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 32-701A of the 1982 edition of the U.B.C.
Standards.
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E. Section 3203.(E) 1. General.; shall be amended to read:
Application of roof materials listed in Table No. 32-B
shall be in accordance with the provisions thereof. All
roof systems shall be either Class A, B, or C and shall
be installed in accordance with Tables li`'~B.1,17 C, and
17 D. All roof systems shall be approved and listed
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.
Section 3203.E2. New Construction. Definition: Class A
Roof System:
Fire retardant decking
Fire retardant moisture proofing
Fire retardant covering
Remodel Construction:
Same as new with the exception of decking, unless
entire roof is structurally redone. Then decking
must be included.
F. Chapter 32 shall be amended to include:
Section 3209. Re-Roofing. All re-roofing shall comply
with the standards of this Code.
EXCEPTION: Repairs and maintenance done to a
roof, totaling less than 10% of the square footage,
in one calendar year, or less than 25% in a 3 year
period may, at the discretion of the Building Official,
be exempt from complying with requirements other than
those in effect at the time of the original installa-
tion.
Section 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 of Vail, Colorado.
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Section 3.
If any part, section, subsection, sentence, clause or phrase of
this Ordinance or of the Uniform Building Code, 1982 edition, is for
any reason held to be invalid, such decision shall not affect the
validity of the remaining portions of this ordinance or of the
Uniform Building Code, 1982 edition; and the Council hereby declares
it would have passed this ordinance and each part, section, subsection,
sentence, clause or phrase thereof, regardless of the fact that any
one or more parts, sections, subsections, sentences, clauses or phrases
be declared invalid.
Section 4.
There shall be a public hearing for the consideration of the
adoption of this ordinance on the ~ day of /DC~~,/~., 1982,
at 7:30 p.m. in the Town Council Chambers, Municipal Building, Vail,
Colorado. The Town Clerk shall have notice of '.that public hearing
published in The Vail Trailon two occasions, the first not less than
(15) fifteen days prior to the public hearing and the second not less
than (8) eight days prior to the public hearing.
Section 5.
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
ONCE IN FULL THIS ~~>
hearing on this ordinanc
Town Council of the Town
of the Town of Vail.
FIRST READING, APPROVED AND ORDERED PUBLISHED
day of , ~,~~,~,~,.~~ 1982, and a public
shall be held at the regular meeting of the
of Vail, Colorado, on the ~1`.(_: day of
1982, at 7:30 p.m. in the Municipal Building
~:
Rodney~E. S~ifer, M ~ or
ATTEST: ~
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Colleen ~M.v~~he, own Cler~
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INTRODUCED, READ AND APPROVED ON SECOND READING AND ORDERED
PUBLISHED BY TITLE ONLY THIS 5th day of October, 1982.
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R0~3NE~' E. SL~F'ER; MAY~t
ATTEST
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Colleen M. Kline, Town Clerk
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