HomeMy WebLinkAbout021 - 03/01/1994 - REPEALING CHAPTER 5, DIVISION 2 OF CITY CODE AND ADOPTING THE UNIFORM BUILDING CODE, 1991 EDITION ORDINANCE NO. 21, 1994
OF THE COUNCIL OF THE CITY OF FORT COLLINS
REPEALING CHAPTER 5, DIVISION 2 OF THE
CODE OF THE CITY OF FORT COLLINS AND ADOPTING THE
UNIFORM BUILDING CODE, 1991 EDITION, WITH AMENDMENTS
BE IT ORDAINED BY THE COUNCIL OF THE CITY OF FORT COLLINS that Chapter 5
of the Code of the City of Fort Collins be amended as follows:
Section 1. That Sections 5-26 and 5-27 are repealed and reenacted to read
as follows:
Section 5-26. Adoption of standards.
Pursuant to the power and authority conferred upon the City
Council by Section 31-16-201 et sec. ; C.R.S. , there is hereby
adopted by reference as the building code of the city, the Uniform
Building Code, 1991 Edition, published by the International
Conference of Building Officials, together with the Uniform Building
Code Standards, 1991 Edition, as if set forth in full herein. The
subject matter of the codes adopted herein includes comprehensive
provisions and standards regulating the erection, construction,
enlargement, alteration, repair, moving, removal , conversion,
demolition, occupancy, equipment, use, height, area and maintenance
of buildings and structures for the purpose of protecting the public
health, safety and general welfare.
Section 5-27. Amendments and deletions to code.
The Uniform Building Code, 1991 Edition, adopted herein is hereby
amended and changed in the following respects:
(1) Section 204 is amended to read as follows:
"(a) The Building Review Board as established in
Section- 2-101- of the Code of the city- is- hereby-
empowered to determine the suitability of
alternate materials or alternate methods of
construction and to provide for reasonable
interpretations of the provisions of this Code.
The Building Permits and Inspections
Administrator shall be an ex officio member of
the Board without vote and shall serve as
Secretary of the Board.
"(b) Whenever the Building Permits and Inspections
Administrator or other authorized representative
of the city charged with the enforcement of
building regulations, but specifically not to
include the zoning laws of the city, refuses to
issue a building permit for the reason that the
proposed building or structure does not comply
with the building regulations of the city or when
the holder of a permit previously issued, or any
person desires relief from any decision of the
Administrator related to the enforcement of this
Code, such person, permit holder, or permit
applicant may file with the Building Review Board
a request for relief from the decision of the
Administrator stating that ',..e refusal to issue
the building permit or such decision by the
Administrator was based on an erroneous
interpretation of the building regulations. The
Building Review Board shall hear and decide all
appeals made to it and shall have the authority
to direct the Administrator to issue such permit
or rule in favor of the appellant when the Board
determines that the interpretation of the
building regulations of the city by the
Administrator was erroneous, or when the Board
determines that the alternate design, alternate
materials and/or alternate methods of
construction proposed by the appellant are
equivalent to those prescribed by the code
considering quality, strength, effectiveness,
fire resistance, durability, safety and all other
pertinent factors.
"(c) The Building Review Board shall require that
sufficient evidence of proof be submitted to
substantiate any claims that may be made
regarding the design, alternate materials or
alternate methods. Unless specifically extended
by the Board, the authorization for any variance
shall be valid for not more than six (6) months
from the date granted.
"(d) Persons desiring to appeal a decision of the
Building Permits and Inspections Administrator to
the Building Review Board shall , at the time of
making such appeal , pay to the Financial Officer
a docket fee in the amount of fifty dollars
($50.) . Written notice of hearings shall be
given to all parties concerned at least three (3)
days prior to the hearing or by mailing the same
to such party's last known address by regular
mail . The Board shall from time to time adopt
such additional rules and regulations as it deems
necessary and advisable for the conduct of its
hearings and for carrying out the provisions
hereof.
"(e) A quorum of four (4) members shall be necessary
for any meeting of the Building Review Board, and
affirmative vote of at least four (4) members
shall be necessary to authorize any action of the
Board.
"(f) Nothing herein shall preclude the Building
Permits and Inspections Administrator from
convening the Board for purposes of ruling on
clarification, intent, alternate methods and
materials, related to the enforcement of this
code."
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(2) Se,.cion 301 (b) is amended as follu.is:
Replace Item 1 with the following:
1. Detached accessory buildings used for playhouses,
lawn and garden equipment storage, tool storage
and similar uses provided such buildings do not
exceed 120 square feet of floor area nor 8 feet
in height, do not house flammable liquids in
quantities exceeding 10 gallons per building and
are constructed entirely of noncombustible
materials when located less than 3 feet from an
adjoining property line."
Replace Item 8 with the following:
"8. Painting, repairing, wallpapering, texturing,
cabinetry and similar finish or cosmetic work. "
Replace Item 10 with the following:
"10. Window awnings on R-3 or M Occupancies, window
replacement requiring no structural alteration,
storm window, storm door and rain gutter
installation."
Replace Item 11 with the following:
"11. Prefabricated portable swimming or wading pools,
hot tubs or spas accessory to a Group R, Division
3 Occupancy when the walls are entirely above
grade and contain water no more than 24 inches
deep."
Add new Items 12 through 15 to read as follows:
12. Exterior walks, driveways, parking lots except as
required for facility accessibility by Chapter
31.
"13. Roofing repair or replacement work not exceeding
one square of covering per building.
"14. Replacement of existing nonstructural siding on
R-3 or M Occupancies.
15. Minor work valued at less than two hundred
dollars ($200.) and not involving alteration of
bearing walls, structural or fire-rated
assemblies, plumbing, electrical or mechanical
components or fire-extinguishing systems."
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(3) S,._cion 304 (c) is amended by a....ing the following
after the first paragraph:
"EXCEPTIONS:
"l. After a plan review fee is collected as specified
above for a building or structure to be
constructed by a contractor licensed by the city
and plans are subsequently submitted for another
essentially identical building or structure as
determined by the Building Permits and
Inspections Administrator, a complete plan review
need not be performed on said subsequent plans.
Such identical sets of plans submitted for each
permit shall be accompanied by a plan
verification fee equal to one dollar ($1. ) per
one thousand dollars ($1,000.) of valuation.
112. Plan review as required herein may be performed
by an approved qualified individual or firm,
provided such individual or firm submits
satisfactory proof of performance. A plan
verification fee equal to one dollar ($1. ) per
one thousand dollars ($1,000.) of valuation shall
be assessed in lieu of the plan review fee as
prescribed in this Section.
3. Plans submitted for projects which do not involve
significant structural work, electrical systems,
plumbing systems, mechanical systems-, or which do
not exceed three thousand dollars ($3,000.) in
valuation are exempt from the plan review fee as
specified herein. "
(4) Section 305 (e)4 is amended to read as follows:
"4. Lath or gypsum board inspection. To be made only
on walls which are part of a fire-resistive
assembly or structural diaphragm after all
lathing and gypsum board, exterior and interior,
is in place, but before any plastering is applied
or before gypsum board joints and fasteners are
taped and finished."
(5) Section 308(a) , Exception is amended to read as follows:
"EXCEPTION: M Occupancies"
(6) Table No. 3-A, Building permit fees, is amended as
follows:
"The building permit fee prescribed herein shall be
calculated according to the following schedule except
that no such fee shall be less than fifteen dollars
($15.) :
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TABLE 3A--BUILDING PERMIT FEES
TOTAL VALUATION FEE'
$1 to $500 $15
$501 to $2,000 $10 for the first $500 plus $1.50
for each additional $100 or fraction
thereof to and including $2,000.
$2,001 to $25,000 $32.50 for the first $2,000 plus $6
for each additional $1,000 or
fraction thereof to and including
$25,000.
$25,001 to $50,000 $170.50 for the first $25,000 plus
$4.50 for each additional $1000 or
fraction thereof to and including
$50,000.
$50,001 to $100,000 $283 for the first $50,000 plus $3
for each additional $1,000 or
fraction thereof to and including
$100,000.
$100,001 and up $433 for the first $100,000 plus
$2.50 for each additional $1,000 or
fraction thereof.
OTHER INSPECTIONS AND FEES
Inspections outside of normal $30 per hour; minimum charge of one
business hours hour
Re-inspection fee- assessed under the $30 each
provisions of Section 305
Inspections for which no fee is $30 per hour; minimum charge of one
specifically indicated hour
Additional plan review required by $30 per hour; minimum charge of one
changes, additions or revisions to hour
approved plans
1. The permit fees stated in the above table shall be increased thirty-five percent (35%)
for those projects which also include any of the plumbing, electrical or mechanical permits
issued under a single combined permit. Such increases shall be considered to be full
payment of permit fees described in other regulations adopted by the city for issuance of
individual plumbing, electrical and mechanical permits."
(7) Section 407 is amended by replacing the definition of
"FAMILY" with the following:
"Section 407. FAMILY is an individual living alone or
either one of the following groups living together as a
single housekeeping unit and sharing common living,
sleeping, cooking and eating facilities:
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Any number of persons, . .fated by blood,
marriage, adoption or guardianship or other duly
authorized custodial relationship, or
"(2) Any unrelated group of person consisting
of:
"a. Not more than three (3) persons, or
"b. Not more than two (2) unrelated adults and
their related children, if any."
(8) Section 504(a) is amended by adding a fourth paragraph
to read as follows:
"Lines or walls which are established solely to
delineate ownership of individual portions of a building
or planned unit development (PUD) need not be considered
as property lines for the purposes of this code,
provided such building is entirely located on property
which is under common ownership and required distances,
as set forth in Section 504(c) for assumed property
lines between buildings located on the same property,
are maintained. "
(9) Section 504(b) is amended by adding the following at the
beginning of the first paragraph:
"Except as is otherwise provided in Section 1302 of this
Code, . . . ."
(10) Section 506(c) is amended by adding a paragraph to read
as follows:
"The provisions of this subsection for area increases
may apply to residential buildings under the conditions
specified in Chapter 13 of this Code. "
(11) Section 507 is amended by replacing the last paragraph
with the following:
"See Chapters 6 through 13 for special occupancy
provisions. "
(12) Section 508 is amended by adding an Exception after the
first sentence to read as follows:
"EXCEPTION: An automatic sprinkler system installed as
an alternate to providing fire containment areas as
specified in Chapter 38 may be used as a substitution
for one-hour fire-resistive construction throughout."
(13) Section 508(d) is amended by adding the following at the
beginning of the second sentence of the first paragraph:
"Except as otherwise provided in Chapter 13 of this
Code, . . "
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(14) S�-ci0n 510(b) is amended to read follows:
"Section 510(b) :
"1. Floors. In other than dwelling units and areas not
available to the public, toilet room floors shall have
a smooth, nonabsorbent surface such as sealed portland
cement, concrete, glazed ceramic tile, approved
synthetic sheet material , or other approved material
which extends upward onto the walls at least 4 inches.
"2. Walls. Walls within toilet stool compartments and
wells- witWm 2- feet of the front and sides of urinals
shall have a smooth, nonabsorbent surface such as sealed
portland cement, concrete, glazed ceramic tile, approved
synthetic sheet material or other approved material to
a height of 4 feet above the floor and, except for
structural elements, the materials used on such walls
shall not be adversely affected by exposure to moisture
or urine. See Section 4712 for other limitations.
"EXCEPTIONS:
"(1) Dwelling units and guest rooms.
"(2) Toilet rooms which are not accessible to the
public and which have not more than one water
closet.
"In all occupancies, accessories such as grab bars,
paper dispensers and soap dishes, etc. provided on or
within walls, shall be installed and sealed to protect
structural elements from moisture.
"3. Showers. Showers in all occupancies shall be
finished as specified above to a height of not less than
70 inches above the drain inlet. Materials other than
structural elements used in such walls shall be of a
type which are not adversely affected by moisture."
(15) Table No. 5-A, Wall and Opening Protection of
Occupancies Based on Location on Property, is amended by
repl acing the "Fi rp_Res-i s-tance-o-f Exterior Wal lam" MIumn-
entry for "Group B, Division 1 and 2" occupancies with
the following:
"One hour less than ten feet. "
(16) Table No. 5-B, Required Separation in Buildings of Mixed
Occupancy, is amended to add a footnote #5 to the
requirement for B-2/R-3 in the table to read as follows:
"For licensed home occupations, as defined in the zoning
regulations of the city, located in a Group R Occupancy,
no separation is required. "
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(17) S,._cion 605 is amended by deleting .ne second sentence
thereof and inserting the following in its place:
"In other than rooms or portions of buildings where
smoking is permitted, the mechanically operated
ventilating system shall be capable of supplying a
minimum of 15 cubic feet per minute of outside air per
occupant in all portions of the building when occupied.
In rooms or portions of buildings where smoking is
permitted, such system shall be capable of supplying 30
cubic feet per minute of outside air per occupant when
such places are occupied. "
(18) Section 605 is amended by replacing the third paragraph
thereof with the following:
"Public toilet facilities and drinking fountains shall
be provided as specified by Appendix C of the 1991
Uniform Plumbing Code. "
(19) Section 705(b) is amended by deleting the second
sentence thereof and inserting the following in its
place:
"Mechanically operated ventilation systems shall be
provided as specified in Section 605".
(20) Section 705(c) is amended by replacing the first and
second sentences with the following:
"Every building which is occupied by workers or
customers shall be provided with toilet facilities
specified by Appendix C of the 1991 Uniform Plumbing
Code, but in no case less than one stool and lavatory. "
"EXCEPTION:
"Buildings or portions thereof containing an occupant
load of less than 50 persons may be provided with a non-
gender designated bathroom."
(21) Section 805 is amended by deleting the second, third,
and fourth paragraphs and inserting the following in
their place:
"Toilet facilities and drinking fountains shall be
provided as specified by Appendix C of the 1991 Uniform
Plumbing Code."
(22) Section 905 is amended by deleting the second and third
sentences and inserting the following in their place:
"Mechanically operated ventilation systems shall be
provided as specified in Section 605 except as otherwise
required herein. "
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(23) St_Cion 905(d) is amended by delet .„g the first and
second sentence of the first paragraph and inserting the
following in their place:
"Toilet facilities shall be provided as required in
Section 705. "
(24) Section 1005 is amended by inserting after the first
paragraph a new paragraph to read as follows:
"Toilet facilities shall be provided as specified by
Appendix C of the 1991 Uniform Plumbing Code."
(25) Section 1202(b) is amended by adding the following at
the beginning of both the first and second paragraphs:
"Except as otherwise provided in Chapter 13 of this
Code, . ."
(26) Section 1205 is amended by deleting subsections (b) and
(c) , relettering subsection (d) to subsection (b) , and
amending subsection (a) to read as follows:
"Section 1205. (a) Light and Ventilation. All guest
rooms, dormitories, and habitable rooms within a
dwelling unit shall be provided with natural light by
means of exterior glazed openings with an area not less
than one-twentieth (1/20) of the floor area of such
rooms and no less than 5 square feet. All bathrooms,
water closet compartments, laundry rooms and similar
rooms shall be provided with natural ventilation by
means of openable exterior openings with an area not
less than one-twentieth (1/20) of the floor area of such
rooms and no less than 1-1/2 square feet.
"EXCEPTIONS:
1. Artificial light may be substituted for natural
light for all habitable rooms in basements other
than in sleeping rooms provided such rooms do not
constitute a basement dwelling unit.
112. Ventilation is not required in laundry rooms
within individual dwelling units.
1-3. Water closets which do not contain showers or
bathing facilities may be ventilated with an
approved recirculating fan designed to remove
odors only.
"All guest rooms, dormitories and habitable rooms within
a dwelling unit shall be provided with natural
ventilation by means of openable exterior openings with
an area of not less than one-fortieth (1/40) of the
floor area of such rooms and no less than 2-1/2 square
feet.
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" lieu of required exterior openings for natural
ventilation, a mechanical venting system may be
provided-. Such systems shall be capably of providing
three air changes per hour in all guest rooms,
dormitories, habitable rooms and in public corridors.
One fifth of the air supply shall be taken from the
outside. In bathrooms, water closet compartments,
laundry rooms and similar rooms a mechanical ventilation
system connected direct Ty to the outside, capable of-
five air changes per hour, shall be provided.
"For the purpose of determining light and ventilation
requirements, any room may be considered as a portion of
an adjoining room when one-half of the area of the
common wall is open and unobstructed and provides an
opening of not less than one tenth of the floor area of
the interior room or 25 square feet, whichever is
greater.
"Required exterior openings for natural light and
ventilation shall open directly onto a street or public
alley or a yard or court located on the same lot as the
building.
"EXCEPTIONS:
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1. Required windows may open into a roofed porch
where the porch: Abuts a street, yard or court;
and has a ceiling height of not less than 7 feet;
and has the longer side at least 65% open and
unobstructed.
112. Light and ventilation for an interior room may be
supplied from an adjoining exterior room provided
the following conditions are met:
"i . The common wall is provided with
openable interior openings with an
aggregate area of not less than one-
twentieth of the floor area of the
interior room.
"ii . The adjoining exterior room has
openable exterior openings for light
and ventilation as required in this
section, plus additional such
openings not less in area than the
amount required for the interior
room. "
(27) Section 1207(a) is amended by the addition thereto of an
exception following the last paragraph thereof to read
as follows:
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"L-CEPTION: A habitable basem�,,t room which is
accessory to a dwelling unit located above may have a
ceiling height of 7 feet as measured from the floor to
finish ceiling. Projections, such as beams, piping, and
ducts shall not reduce the ceiling height to less than
78- inches_"
(28) Section 1210(a)2, Additions, alterations or repairs to
Group R Occupancies, is amended to read as follows:
"When one or more sleeping rooms are added or created in
existing Group R Occupancies, the entire dwelling unit
shall be provided with smoke detectors located as
required for new Group R Occupancies described herein. "
(29) Section 1211 is amended by adding the following at the
beginning of the first paragraph:
"Except as otherwise provided in Chapter 13 of this
Code, . ."
(30) Section 1213 is amended by adding the following at the
beginning of the last paragraph:
"Except as is otherwise provided in Chapter 13 of this
Code, . ."
(31) The Uniform Building Code, 1991 Edition, adopted herein
is amended by the addition of a new Chapter 13 to read
as follows:
CHAPTER 13
ALTERNATE DESIGN CRITERIA FOR RESIDENTIAL BUILDINGS EQUIPPED WITH
APPROVED RESIDENTIAL-TYPE FIRE SPRINKLER SYSTEMS
Section 1301. (a) Purpose. The purpose of this Chapter is to provide
alternate equivalent fire protection for residential occupancies by the use of
fast response fire sprinkler technology.
(b) Scope. When Approved Residential-Type Fire Sprinklers are installed
in accordance with Poudre Fire Authority design criteria in residential
buildings, the design and construction modifications of this Chapter may be
applied. Occupancies eligible for review under this Chapter are those
occupancies defined as R-1 or R-3 and their accessory M occupancies. Provisions
of this Chapter shall not be applicable to residential buildings of four or more
stories or more than 55 feet in height.
(c) Definitions. For the purposes of this Chapter, certain terms are
defined as follows:
ADJACENT DWELLING UNIT - is a dwelling unit which adjoins another
dwelling unit at some point or along a common line.
APPROVED RESIDENTIAL - TYPE FIRE SPRINKLER SYSTEM - is an automatic fire
protection system capable of applying water to fire in accordance with the
performance criteria of Poudre Fire Authority for design, installation and
maintenance.
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Fire Resistance of _..terior Walls
Section 1302. Exterior walls on buildings described in Section 1301 (b) ,
which are required to be fire-rated due to proximity to property line (Table 5-
A) , may be non-rated when all adjacent dwelling units and adjacent buildings are
protected- by- an- approved- reSidEntia-l-type_ fire sprinkler system._
Allowable Area Increases and Maximum Height of Buildings and Fire-Resistive
Construction Substitutions
Section 1303. Approved residential -type fire sprinklers shall be
considered for the purpose of increasing floor areas, Section 506(c) ; increasing
height, Section 507; and substitution of fire-resistive construction, Section
508. Substitution for fire-resistive construction may include dwelling unit
separations, Section 1202(b) . The one-story increase of Section 507 may be
compounded with either increases for allowable area or fire-resistive
construction.
Special Provisions
Section 1304. (a) Group R, Division 1 occupancies more than two (2)
stories in height or having more than 3,000 square feet of floor area above the
first story, may be non-rated up to the limitations of Section 1303, when an
approved residential -type fire sprinkler system is installed.
(b) Storage or laundry rooms that are within Group R, Division 1
occupancies that are used in common by tenants, shall be separated from the rest
of the building. This separation may be non-rated when an approved residential -
type fire sprinkler is installed.
(c) An approved fire alarm system as specified in the Uniform Fire Code
will not be required when the building is equipped with an approved residential -
type fire sprinkler system and each dwelling unit does not exit through an
interior corridor. This exception applies only for applicable buildings as
defined in 1301 (b) of this Chapter.
Special Hazards
Section 1305. Boiler or central heating plant rooms in Group R, Division
1 occupancies shall be separated from the rest of the building. This separation
need not be one-hour fire-resistive construction provided the BTU output of the
largest single unit does not exceed 400,000 BTU's and the building is equipped
with an approved residential-type fire sprinkler system. EXCEPTION: A separation
shall not be required for such rooms with equipment servicing only one dwelling
unit.
Mezzanines
Section 1306. The aggregate area of a mezzanine may be one-half the area
of the room in which it is located, without being considered an additional story
and sides adjacent to the room in which it is located may be closed provided the
building is equipped with an approved residential -type fire sprinkler system and
exits from the mezzanine conform to the requirements of Chapter 33.
Exits
Section 1307. Every building or portion thereof shall be provided with
exits as required by Chapter 33.
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EXCEPTIONS:
1. When an approved residential -type fire sprinkler system is
installed in buildings eligible for review under the
provisions of this Chapter, the second story may be provided
with one exit when the occupant load does not exceed 15 or the
number of dwelling units does not exceed 5, whichever is least
restrictive.
2. When an approved residential -type fire sprinkler system is installed
in buildings eligible for review under the provisions of this
Chapter, occupants on the third story may have access to one (1)
conforming exit when all exits are exterior and continue directly to
grade level and when a single exit serves no more than two (2)
dwelling units on the third story.
Exit Corridor Rating
Section 1308. In building where an approved residential -type fire
sprinkler system is installed in buildings eligible for review under the
provisions of this Chapter, walls, ceilings, and floors of corridors in Group R,
Division 1 occupancies shall be required to be one-hour, fire-resistive
construction when serving an occupant load of 30 or more.
Exit Corridor Doors
Section 1309. In buildings where an approved residential -type fire
sprinkler system is installed under provisions of this Chapter, door openings in
corridors serving an occupant load of more than 10, but less than 30, will be
required to have a non-combustible or a solid core, 1-3/8 inch thick door. Doors
must be self-closing and equipped with a smoke gasket to provide a seal where
the door meets the top and sides.
Fire Containment Areas
Section 1310. In buildings where an approved residential -type fire
sprinkler system is installed under the provisions of this Chapter, the
requirement for Fire Containment Areas as specified in Section 3801 amended shall
not apply."
(32) Section 1703 is amended by adding two exceptions to read
as follows:
"EXCEPTIONS:
"1 . Such enclosures need not be provided in
individual dwelling units of Group R, Division 1,
occupancies when each dwelling unit is separated
by one-hour, fire resistive construction.
112. Such enclosures need not be provided when useable
space is protected by an approved automatic fire-
extinguishing system in accordance with Chapter
38 or Chapter 13 of this Code whichever is
applicable."
(33) Section 1706(f) is amended by adding an exception as
follows:
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I .,CEPTION:
"1. Concealed laundry chutes located within
individual dwelling units need not be enclosed as
specified above provided all of the following
conditions are met:
"i . The chute is no more than 4 square
feet in cross-sectional area, and
"ii . The chute is constructed of not less
than No. 26 gauge, corrosion-
resistant sheet steel , and
'M . Openings are protected with self-
closing doors constructed of not less
than No. 26 gauge corrosion-resistant
sheet steel , 1-3/8-inch thick solid-
core wood or equivalent material, and
"iv. The chute does not pass through more
than two floors. "
(34) Section 1712(a) is amended by replacing the third
paragraph with the following two paragraphs:
"Open guardrails shall be constructed such that
intermediate rails or balusters are spaced no more than
4 inches apart.
"EXCEPTIONS:
"l. Guardrails constructed with both horizontal and
vertical elements or other multi-directional
patterns which prevent a sphere 6-inches in
diameter from passing through.
112. Guardrails which will prevent a sphere 12-inches
in diameter from passing through when located in
non-public areas for production, manufacturing
storage, servicing equipment or similar areas.
113. Openings formed by the riser, tread and bottom
element of a guardrail at the open side of a
stairway may be of such size that a sphere 6-
inches in diameter cannot pass through.
"All area wells, stair wells, and light wells attached
to any building that are located less than 36 inches
from the nearest intended walking surface and deeper
than 48-inches below the surrounding ground level ,
creating an opening greater than 24 inches measured
perpendicular from the building and with the side walls
of such well having a slope steeper than 2 horizontal to
one vprtir_al-, shall- be barricaded- with guardrails
conforming to this section around the entire opening, or
be provided with an equivalent barrier.
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' ...CEPTIONS:
"1. The access side of stairways need not be
barricaded.
2. Area wells provided for emergency escape and
rescue windows shall not be obstructed with
grates or covers unless such barricades comply
with Section 1204 of this code.
113. Covers and grates may be used over stairways and
other openings used exclusively for service
access or for admitting light or ventilation. "
(35)- Section- AIT1?(4)- is- amended-by- the addition thereto ofan
exceptionto read as follows:
"4. Mezzanines located within individual dwelling units
may be enclosed."
(36) Section 1717 is amended by the addition thereto of a
paragraph following the last paragraph to read as
follows:
"7. Mezzanines which are devoted entirely to storage or
other similar uses and mezzanines within dwelling units
which are 70 square feet or less in floor area may be
served by a permanently installed ladder capable of
supporting all potentially imposed loads."
��7j Section i717 is amended by adding the following
paragraph to the end of the Section:
"See Section 1306 of this Code for residential buildings
equipped with fire sprinkler systems."
(38) A new Section 1718 is added to read as follows:
"Barriers for Swimming Pools, Spas and Hot Tubs
"Section 1718. (a) General . The provisions of this
section shall control the design of barriers for outdoor
swimming pools, spas and hot tubs as defined below.
"(b) Definitions. For the purpose of this section,
certain terms, words and phrases are defined as follows:
"ABOVEGROUND/ON-GROUND POOL. See Definition of Swimming
Pool .
"BARRIER is a fence, a wall , a building wall or a
combination thereof which completely surrounds the
swimming pool intended to prevent unsupervised access to
the swimming pool .
"HOT TUB. See definition of swimming pool .
"SPA. See definition of swimming pool .
15
`.,.DIMMING POOL is any permanent st. .,cture intended for
swimming, diving or recreational or therapeutic bathing
that contains water over 24 inches deep. This includes
in-ground, above-ground and on-ground swimming pools,
hot tubs and spas, and does not include portable spas,
hot tubs and wading pools.
"SWIMMING POOL, OUTDOOR, is any swimming pool which is
not an indoor pool .
"(c) Requirements. An outdoor swimming pool , including
an in-ground, above-ground or on-ground pool , hot tub or
spa shall be provided with a vertical barrier which
shall comply with the following:
"1 . The top of the barrier shall be at least 48
inches above grade measured on the side of the
barrier which faces away from the swimming pool .
The maximum vertical clearances between grade and
the bottom of the barrier shall be 2 inches
measured on the side of the barrier which faces
away from the swimming pool . Where the top of
the pool structure- is above grade, such as an
above-ground pool , the barrier may be at ground
level or mounted on the top of the pool
structure. Where the barrier is mounted on the
top of pool structure, the maximum vertical
clearance between the top of the pool structure
and the bottom of the barrier shall be 2 inches.
112. Openings in the barrier shall not allow passage
of a 4-inch diameter sphere.
113. Access gates shall comply with the requirements
of Items 1 and 2 and shall be equipped with a
locking device. Access gates shall open outward
away from the pool and shall be self-closing and
self-latching.
"(d) Exceptions. A spa or hot tub with a safety cover
capable of supporting 40 pounds or which complies with
ASTM ES 13-89, Emergency Standard Performance
Specification for Safety Covers and Labeling
Requirements for all Covers for Swimming Pools, Spas and
Hot Tubs, is exempt from the provisions of this
section. "
(39) Section 2305(d) is amended by the deletion therefrom of
the second paragraph and substitution therefor of the
following:
"Potential accumulation of snow at valleys, parapets,
roof structures and offsets in roofs of uneven
configuration shall be considered. Design snow load
shall be thirty (30) pounds per square foot."
16
(40) S�_tion 2314 is amended to read as .ollows:
"Section 2314 Basic Wind Speed. The minimum basic wind
speed for determining design wind pressure shall be 100
miles per hour."
(41) Section 2516(c)6. is amended by deleting the last
sentence thereof and replacing it with the following:
"Where groundwater conditions do not pose a potential
for saturating exposed soil in such spaces, the total
free area of all such ventilation openings shall be a
minimum of one square inch per 10 square feet of under-
floor area, with at least two openings placed as
remotely as practical from one another. All exposed
soil within buildings shall be completely covered with
an approved vapor barrier not less than 6-mils thick or
equivalent material ."
(42) Section 2517(h)7 is amended to read as follows:
"Section 2517(h)7. Blocking. Roof rafters and ceiling
joists shall be supported laterally to prevent rotation
and lateral displacement when required by Section
2506(h) . Roof trusses shall be supported laterally at
points of bearing to prevent rotation and lateral
displacement."
(43) Section 2903(a) is amended by replacing the first and
second sentences of the second paragraph with the
following:
"Cut slopes for permanent excavations shall not be
steeper than 2 horizontal to 1 vertical , and slopes for
permanent fills shall not be steeper than 2 horizontal
to 1 vertical , with a maximum vertical rise of 12 feet,
unless substantiating data justifying steeper slopes is
submitted."
(44) Section 2907(b) is amended by adding an exception as
follows:
"3. An addition to a single family dwelling may be
supported on a continuous concrete foundation, eight (8)
inches wide that extends thirty (30) inches below grade
and is reinforced with one (1) #4 bar located not less
than three (3) inches or more than six (6) inches from
the bottom. Such foundation shall support no more than
a roof load with a clear span of said roof not exceeding
sixteen (16) feet. "
17
(45) le.,le 29-A, Foundations for Stud Bearing Walls, Minimum
Requirements, is amended to read a follows:
TABLE 29A
FOUNDATIONS FOR STUD BEARING WALLS - MINIMUM REQUIREMENTS"'
UNDER CONDITIONS NOT REQUIRING SPECIAL DESIGN
FOUNDATION WALL
THICKNESS IN INCHES
NUMBER OF CONCRET UNIT HEIGHT WIDTH THICKNES DEPTH OF
FLOORS E MASONR OF OF S OF FOUNDATION
SUPPORTED Y WALL IN FOOTING FOOTING BELOW
BY THE NOMINAL FEET IN IN INCHES FINISHED
FOUNDATION' INCHESO GRADE IN
INCHES
5-1/2 6' 3 OR 16 8 30
1 LESS'
7-1/2 82 MORE
THAN 3
TO 94AS
2 SAME AS SAME AS SAME 20 10 30
FOR ONE FOR ONE AS FOR
STORY STORY ONE
STORY
3 9-1/2 10 SAME 24 12 30
AS FOR
ONE
STORY
"Footnotes:
"1. Foundations may also support a roof. A foundation supporting a roof only, shall
be considered as supporting one floor.
"2. The minimum reinforcement for masonry foundations shall be as follows:
"a) Foundation walls three (3) feet or less in height shall be reinforced
with #4 vertical bars spaced a maximum of 32 inches on center.
Vertical bars shall be bent so as to form a minimum of three (3)
inches below the top of the footing. All cells containing the
vertical re- enforcement shall be filled solidly with grout.
"b) Foundation walls greater than three (3) feet, to nine (9) feet in
height shall be reinforced with #5 vertical bars spaced a maximum
of 32 inches on center. Vertical bars shall be bent so as to form
a minimum horizontal extension of six (6) inches imbedded a
minimum of three (3) inches below the top of the footing. All
cells containing the vertical reinforcement shall be filled solid with
grout.
"c) Horizontal reinforcement shall consist of approved wire
reinforcement with a minimum of 9 gauge side and cross runs.
Such reinforcement shall be laid continuously in alternate bed
joints.
18
"d) top course of foundation walls shall be a .od beam course.
Bond beam courses for walls three (3) feet or less in height shall
be reinforced with one#4 bar. Bond beam courses for walls three
(3) to nine (9) feet in height shall be reinforced with two #4 bars.
Vertical bars shall be tied to the bond beam longitudinal bars.
"3. Concrete foundation walls three (3) feet or less in height shall be reinforced with
one (1) #4 bar located not less than three (3) inches nor more than six (6) inches
from the top of the wall and one (1) #4 bar located not less than three (3) inches
nor more than six (6) inches from the bottom of the wall. The bars shall be
centered within the width of the wall.
"4. Concrete foundation walls more than three (3) feet and less than five (5) feet in
height shall be reinforced with three (3) #4 bars equally spaced with the top and
bottom bar not less than three (3) inches nor more than six (6) inches from the top
and bottom of the wall. The bars shall be placed not less than one and one-half
(1-1/2) inch from the vertical edges of the wall.
"5. Concrete foundation walls five (5) feet and less than seven (7) feet in height shall
be reinforced with four(4) #4 bars equally spaced with the top and bottom bar not
less than three (3) inches nor more than six (6) inches from the top and bottom of
the wall. The bars shall be placed not less than one and one-half (1-1/2) inches
from the vertical edge.
"6. Concrete foundation walls between seven (7) feet and nine (9) feet in height shall
be reinforced with five (5) #4 bars equally spaced with the top and bottom bar not
less than three (3) inches nor more than six (6) inches from the top and bottom of
the wall. The bars shall be placed not less than one and one-half (1-1/2) inches
from the vertical edge.
"7. Concrete foundation walls greater than nine (9) feet in height shall be designed by
a licensed professional engineer.
"8. Minimum requirements for conditions not requiring an engineered foundation
design or when an engineered foundation design is not provided. Foundations
subject to excessive surcharge loads or lateral pressures created by unstable soil
or groundwater conditions or where expansive soil swelling pressures exceed 500
pounds per square toot, shall be designed-by-an engineer licensed inthis-State to
practice as such and in accordance with Section 2905.
"51- An acr-Wable-method-to-prevent movement of-the foundation-wall-on the footing
-
shall be provided."
(46) Section 3103(a)8. is amended by adding the following
after the first sentence:
"Accessible units shall have the same ratio of bedrooms
and other features as other units provided in the
building- or facility. The Building_ Review Board shall
consider and grant exceptions, and for the purpose of
granting such exceptions shall require the applicant
desiring the exception to demonstrate that the
application of a particular standard or specification
would impose an extraordinary hardship on the subject
property, due to unique conditions resulting from
terrain, topography or geology or other site conditions
not typically encountered in the city. Other kinds of
19
o. eiculties related to complia....e with the statutory
standards for handicap accessibility shall not be construed as
a hardship. "
(47) Amend the last paragraph of Item 8 to read as follows:
"Hotels, lodging houses and congregate residences shall
be provided with accessible units complying with the
standards promulgated by the American National Standards
Institute pamphlet number A117.1-1992. This shall apply
to one unit for each seven units or major fraction
thereof as follows:
NUMBER OF UNITS UNITS REQUIRED TO COMPLY
7 0
8-14 1
15-21 2
22-28 3
29-35 4
36-42 5
ETC. ETC.
(48) Section 3208(b)3 is amended by the addition thereto of
a second paragraph to read as follows:
"Asphalt shingles shall be of an interlocking or self-
sealing type or shall be sealed down with an approved
material ."
(49) Table No. 32-B-1 Shingle Application, Asphalt and
Fiberglass Shingles is amended to revise the entire
subheading labeled "UNDERLAYMENT" to read as follows:
ROOF SLOPE 2:12 TO LESS THAN 4:12 TO LESS THAN 6:12 AND OVER
4.12 6:12
20
"UNDERLAYMENT Underlayment shall One layer of Type 15 One layer
consist of two layers felt lapped 2 inches nonperforated Type
of Type 15 felt applied horizontally and 4 15 felt lapped 2
shingle fashion. inches vertically to inches horizontally
Starting at the eaves shed water, starting and 4 inches vertically
with an 18-inch wide with one layer #40 to shed water."
sheet and a 36-inch coated glass base
wide sheet over it solid sheet. Underlayment
cemented together starter course shall be
with approved applied from the eave
cementing materials up to a line 12 inches
extending from the inside the exterior wall
eaves up slope to a line with all laps
line 24-inches inside cemented together.
the building. Alternate approved
Thereafter, subsequent membrane may also be
sheets shall be lapped used as the
19 inches horizontally underlayment starter
until the roof is course.
completely covered.
As an alternate to the
starter course
underlayment method
described above, an
approved membrane
may be used.
(50) Table No. 32-B-2, Wood Shingle or Shake Application, is
amended by deleting the entire line labeled "Temperate
Climate" under the heading "UNDERLAYMENT, " by revising
"UNDERLAYMENT" under the column labeled "Wood Shakes" ;
and by revising the entries labeled "Deck Requirement"
to read as follows:
"DECK REQUIREMENT - Wood Shakes and shingles shall
be applied over solid
sheathing. Sheathing shall
conform to Sections 2516(i ) and
2517(h)7.
"UNDERLAYMENT -- Shakes shall be applied over an
underlayment of not less than
Type 15 felt with not less than
18-inch-wide strips of not less
than Type 30 felt shingled
between each course in such a
manner that no felt is exposed
to the weather below the shake
butts, or shakes shall be
applied over an underlayment
consisting of not less than two
layers of Type 30 felt applied
shingle fashion. On roofs with
slopes less than 6:12, an
underlayment starter course
consisting of two layers of
felt applied shingle fashion
21
shall be _,stalled and solid
cemented together with approved
cementing material between the
plies extending from the eave
up the roof to a line 36 inches
inside the exterior wall line
of the building. As an
alternate to the underlayment
starter course, an approved
membrane may be used."
(51) Table No. 32-D-1 Roofing Tile Application for All Tiles
is amended by deleting the line labeled "Other Climate
Areas" and revising the line labeled "UNDERLAYMENT" to
read as follows:
ROOF SLOPE 2-1/2:12 TO LESS 3:12 TO LESS THAN 6:12 AND OVER
THAN 3:12 6:12
"UNDERLAYMENT Built-up roofing One layer heavy-duty One layer heavy-duty
membrane, three plies felt or Type 30 felt felt or Type 30 felt
minimum, applied per side-lapped 2 inches side-lapped 2 inches
Section 3208(b)4. and end-lapped 6- and end-lapped 6
Surfacing not required. inches, starting with inches."
two layers of
underlayment applied
shingle-fashion solidly
cemented together
with an approved
cementing material
extending up slope
from the eaves to a
line 24 inches inside
the exterior wall line.
Alternate approved
membranes noted in
Table 3281 may be
used for
underlayment starter
course.
(52) Table No 32-D-2, Clay or Concrete Roofing Tile
Application Interlocking Tile with Projecting Anchor
Lugs, is amended by deleting the line labeled "Other
Climates".
(53) Section 3301(a) is amended by adding the following at
the beginning of the first paragraph:
"Except as is otherwise provided in Section 1307 of this
Code, . . "
(54) Section 3304(c) is amended to read as follows:
"(c) Type of Lock or Latch. Exit doors shall be
openable from the inside without the use of a key or any
special knowledge or effort and require no more than one
operation for opening at all times the building or room
22
s-. ved is occupied. Manually opera_dd edge or surface-
mounted flush bolts and surface bolts are prohibited
except as otherwise stated below. Approved automatic
flush bolts may be used on exit door pairs provided the
door leaf having such devices has no knob, handle, push
bar or similar hardware.
"EXCEPTIONS
11
1. Exit doors serving individual dwelling units need
not comply with this section.
112. In Group B Occupancies, key-locking hardware may
be used on the main exit when the main exit
consists of a single door or pair of doors if
there is a readily visible, durable sign on or
adjacent to the door stating THIS DOOR TO REMAIN
UNLOCKED DURING BUSINESS HOURS. The sign shall
be in letters not less than 1 inch high on a
contrasting background. When unlocked the single
door or both leaves of a pair of doors, must be
free to swing without operation of any latching
device.
3. Exit doors from buildings or rooms having an
occupancy load of 10 or less may have a night
latch, dead bolt, security chain, or other
security device which can be readily inactivated
provided a sign conforming to "exception 2" above
is pasted.
"4. One leaf of a pair of exterior doors or one leaf
of a pair of doors which serve a single tenant
space, may be inactivated with manual edge or
surface bolts provided such doors serve only
those buildings or portions thereof having an
occupant load of ten or less or serve Group B
occup-anciL-s having an occupant load of less than
50. In addition, the inactivated leaf shall not
have any knob, handle, push bar, or similar
hardware and the leaf shall be clearly identified
as not being usable for exit purposes. No door
leaf that is required for exit width shall be
inactivated" .
(55) Section 3304(i) is amended by adding item "D." under
"Exception 1 . " to read as follows:
"D. Exterior doors, other than the main entrance door to
a dwelling, may open at one intervening exterior step
that is equally spaced between the interior floor level
above and exterior landing below, provided the step has
a minimum tread depth of 12 inches, a maximum riser
height of 8 inches, and a minimum width equal to the
door width; and provided the door does not swing over
the step. "
23
(56) Si-,.tion 3304(1 ) is amended by the ddition thereto of
two exceptions to read as follows:
"EXCEPTION: Doors which are provided for access only and
are not required for exit purposes need not conform to
this Chapter, provided such doors cannot be readily
construed as exits by building occupants."
"EXCEPTION: Doors not required for exit purposes by this
code may be rendered permanently inoperable, provided
such doors do not have grasping hardware, closers, or
exit signs installed thereon and are made to resemble
the adjacent wall or are provided with an obvious
barricade."
(57) Section 33O5(g) is amended by adding to the beginning of
the first paragraph the following and by revising
"Exception 5. " as follows:
"Except as otherwise provided in Section 1308 of this
Code, . ."
"5. Corridor walls and ceilings need not be of fire-
resistive construction as specified herein within Group
B occupancies provided all the following conditions are
met:
"i . The building does not exceed three stories in
height, and
"ii . The building is protected by an approved
automatic sprinkler system throughout, and,
"iii . An approved automatic evacuation alarm, which is
activated by operation of the sprinkler system,
is installed throughout. "
(58) Section 33O5(h)l is amended by adding the following at
the beginning of the first paragraph:
"Except as otherwise provided in Section 1309 of this
Code, . ."
(59) Section 33O6(b) is amended by adding an exception to the
first paragraph to read as follows:
"EXCEPTION: Private stairways serving an occupant load
of Tess than 10 may be no Tess than M inches in width."
(60) Section 33O6(i) is amended by changing the first
sentence of the second paragraph to read as follows:
"The top of handrails shall be placed not less than 32
inches more than 38 inches above the nosing of the
treads."
24
(61) S,,:tion 3403 is amended by replacing the first sentence
with the following:
"Annealed and ordinary glass shall be protected by
screens installed below the glazing. "
(62) Section 3403 is amended by replacing the last sentence
of the first paragraph with the following:
"When multiple-layer glazing systems are used and the
layer facing the interior is laminated, wired, or
tempered glass, a protective screen need not be
installed below the skylight. "
(63) SL-ciion- 380 (c) is ametTded by the addition thereto in
alphabetical sequence of the definition of "Fire
Containment Area" to read as follows:
"FIRE CONTAINMENT AREA is a portion of a story or
basement which is totally enclosed by a smoke and draft
barrier of nut Tess tiratr 14rour; re-resistive
construction and as prescribed herein. All door
openings penetrating such fire-containment areas shall
be protected by a tight-fitting, smoke and draft control
assemblies as specified in Section 3305(h)1 except that
such doors shall be automatic closing by actuation of a
smoke detector in accordance with Section 4306(b) . All
duct penetrations shall be protected by dampers
complying with UBC Standards 43-7 and 43-12 with a
minimum leakage classification of III, except that such
dampers shall be automatic closing by actuation of a
smoke detector. Openings other than doors and ducts
shall be protected as specified in Section 3305(h)2 and
shall be limited to a maximum of 25 percent of any one
walT. SeTf-cTosing devices may be used in Tieu of
automatic closing devices on doors unlikely to be fixed
open during normal conditions. Examples are doors at
toilet room, vertical stairways, closets and small
storage rooms and similar areas. See Section 1310. "
(64) Section 3801(e) is deleted.
(65) Section 3802(b) is amended by the addition thereto in
numerical sequence of two subsections to read as
follows:
"5. In all buildings which are not divided into fire
containment areas as specified in Table 38-B.
"6. In all buildings which are 4 stories and above, or
more than 55 feet in height. "
(66) Section 3802(b)l is amended by the addition thereto of
the following exception after the first paragraph
thereof to read as follows:
25
hL,.CEPTION: An automatic fire-e,.cinguishing system
shall not be required in a Group R, Division 1
basement, provided that the following conditions exist:
"1. The basement area is . accessory to and
incorporated within an individual dwelling unit.
2. The individual basement area does not exceed 1500
square feet of floor area.
113. Individual dwelling unit is separated by one-hour
fire- resistive construction."
(67) Table 38-B, Maximum Allowable Fire-Containment Area, is
added to read as follows:
TABLE 38B
MAXIMUM ALLOWABLE FIRE-CONTAINMENT AREA
IN SQUARE FEET
OCC TYPES OF CONSTRUCTION
IFR IIFR 111HR IIN III-1HR IIIN IVHT I V1HR VN
Al 10000 10000 NOT PERMITTED
A2 10000 10000 5000 NP 5000 NP 5000 5000 NP
A2.1
A3 10000 10000 5000 5000 5000 5000 5000 5000 5000
A4
B1 10000 10000 7000 5000 7000 5000 7000 7000 5000
B2
B3
64 20000 20000 10000 7000 10000 7000 10000 10000 5000
E 10000 10000 7000 5000 7000 5000 7000 7000 5000
R1 10000 10000 5000 5000 5000 5000 5000 5000 5000
H4 10000 10000 7000 5000 7000 5000 7000 7000 5000
(68) Chapter 51 is amended by adding a new section 5107 to
read as follows:
"Emergency Operation
"Section 5107. (a) General . For purposes of this
subsection, reference to "ANSI Code: is the "ANSI/ASME
A17.1 Code, latest edition "Safety Code for Elevators
and Escalators", published by the American Society of
Mechanical Engineers.
"(b) Commandeering Switch. In other than dwelling
units, all elevators shall be provided with emergency
recall switches near their entrances on main floors of
each building and in the cars as specified in "Section
211.3(a) . " of the ANSI Code.
26
"\..1 Smoke Detection. Smoke dete,.cors and automatic
return shall be provided as specified in "Section
211.3(a)" of the ANSI Code.
"(d) Emergency Operation Keys. Keys for emergency
operation shall be provided as specified in "Section
21T,3(a)" of the ANSI Code."
(69) Section 5207(a)6. is amended by the addition thereto of
the following exception #3 to read as follows:
"3. in Group- RS- Division- 1 ; apartment- houses and
Division 3 Occupancies, the minimum separation may be 18
inches."
(70) Section 5406(d) (5) is amended by replacing it with the
following:
"5. Glazing in walls and doors of shower; bathtub,
sauna, steam room and spa enclosures when either one of
the following conditions exist:
"i . Any portion of such glazing is less than 60
(sixty) inches above the drain inlet and standing
surface, or
"ii . Any portion of such glazing is within 48 inches
of the nearest interior surface of a tub. "
(71) The Appendix Chapter 11 is adopted, and amended by
adding an exception at the end of Item 4 of Section 1107
to read as follows:
"EXCEPTION: Greenhouses and similar structures attached
to Group R occupancies for the purpose of providing
Tight and ventilation that do not exceed 2-VI of the
floor area of the dwelling unit may be classified as
Group R occupancies."
(72) The Appendix Chapters 10, 29, 31, 49 and 55 are hereby
adopted.
(73) Chapter 12, Division II of the Appendix is adopted in
its entirety with the following amendments:
"a. Section 1224(a) "General " is amended to read as
follows:
"Buildings or portions of buildings classified as Group
R, Division 4 may be constructed of any materials
allowed by this Code.
"b. Section 1224(b) Special Provisions, is amended to
read as follows:
27
. . oup R, Division 4 Occupancies sr._.il be provided with
automatic fire sprinkler systems installed in accordance
with Appendix III-E of the Uniform Fire Code as adopted
and amended by the city.
"c. Section 1226 is amended by deleting subsection
(b)1 . Number of exits."
(74) Chapter 32 of the Appendix is adopted, and amended by
deleting Sec. 3210.
(75) Chapter 53 of the Appendix is adopted, and amended by
changing the date in Section 5301(a) from 1989 to 1986
and adding subsection "(c)" to Section 5301 to read as
follows:
"(c) Alternate Provisions. In lieu of providing
calculations to verify compliance with the requirements
in the above standards for buildings identified as "Type
A-1 and Type A-2" residential buildings the following
provisions shall be considered as acceptable practice:
"1. All insulated wall cavities forming the exterior
thermal envelope above the foundation of any such
building shall have a minimum, total combined "R-
value" of "R-17" for all of the materials
comprising the wall assembly, provided the
average amount of exposed foundation above the
adjoining ground level does not exceed six (6)
inches.
2. All insulated roof/ceiling framing cavities
forming the exterior thermal envelope of any such
building shall have a minimum, total combined "R-
value" of "R-38" for all of the materials
comprising the assembly. Openings in such roofs
such as skylights and plumbing and mechanical
vents shall not exceed five (5) percent of the
total roof area.
"3. Slab-on-grade floors in heated spaces shall be
provided with insulation having a minimum "R-
value" of "R-7" which extends twenty-four (24)
inches below grade along the perimeter of every
such floor forming the exterior thermal envelope.
4. All exterior windows and skylights shall be
double-glazed. All exterior doors shall have an
overall "R-value" of not less than "R-4" . The
total area of all such windows and doors shall
not exceed fifteen (15) percent of the total
exterior wall area, and have the following
maximum air infiltration rates:
"windows . 0.34 cfm per foot of
operable sash crack
28
"doors. . . 0.50 cfm per s.,.Aare foot of
door area
11
5. Excessive air infiltration shall be restricted by
sealing in an approved manner all exterior joints
in the exterior thermal envelope of any such
buildings, such as around window and door frames,
between exterior wall plates and foundations,
around exterior penetrations for utilities,
mechanical and plumbing vents. In addition, all
windows and doors shall have weather stripping
installed around all openings.
"b. Gas fired heating equipment in- all s-uctr bu l&rngs
shall have a minimum combustion efficiency rating
of eighty (80) percent.
7. Any such building evaluated using the city's
ENERGY SCORE HOME ENERGY RATING PROGRAM- and
achieving an ENERGY SCORE of G-70 for gas heating
equipment E-65 for electric heating equipment
shall be considered as meeting the provisions of
this standard."
Section 3. That the repeal and reenactment of Sections 5-26 and 5-27 shall
not make lawful any violation of the ordinances hereby repealed occurring before
the effective date hereof, and provided further that the construction under any
building permit heretofore taken out under the ordinance herein repealed may be
continued in conformance with such repealed ordinance or, if the owner thereof
elects, in conformity with the ordinance herein enacted.
Introduced, considered favorably on first reading, and ordered published
in summary form this 15th day of February, A.D. and to be pr nted for
final passage on the 1st day of March, A.D.
yor
ATTEST:
1
City Clerk
Passed and adopted on final reading this st d of March, D. 94.
ATTEST:
u� en
City Clerk
29