Ordinance No. 637ORDINANCE NO. 637
AN ORDINANCE PROVIDING FOR FIRE LIMITS, AND
REGULATIONS GOVERNING THE CONSTRUCTION, ALTERA-
TION, EQUIPMENT AND REMOVAL OF BUILDINGS AND
STRUCTURES WITHIN THE CITY LIMITS OF BAYTOWN,
TEXAS; REPEALING ORDINANCES INCONSISTENT HERE-
WITH; CONTAINING A SAVINGS CLAUSE; PROVIDING
FOR A PENALTY AND THE EFFECTIVE DATE THEREOF.
I *
0
i 0
T A B L E O F C O N T E N T S
SECTION CONTENTS PAGE
1 Scope 1
2 Outside Fire Limit Area or Zone 1 and Fire Limit
Area or Zone No. 2 . . . . . . . . . . . . . . . 1
3 Fire Limits of the City of Baytown. 1
4 Building Official . . . . . . . . . 2
A. Appointment . . . . . . . . . . . . . . . . . . 2
Be Duties . . . . . . . . . . . . . . . . . . . . 2
5 Permits, Inspections and Posting of Live Loads . . . 2
6 Unsafe Buildings . . . . . . . . . . . . . . . . . 2
7 Definitions . . . . . . . . . . . . . . . . . . . . 3
A. Alteration. . . . . . . . 3
Al. Amusement Device. . . . . . . 3
Be Apartment a . . 3
Bl. Approved 3
C. Area . 3
Cl. Automatic Fire Alarm System . .3
D. Basement . . . . . . . . . a 3
Dl. Brick . . . . . . . . . . 3
E. Building. 3
El. Building Official . . . . . . . . . . . . . . . 4
F. Corporation Counsel 4
Fl. Dwelling . . . . 4
G. Fire Resistance Rating 4
G1. Hire Retardant Treated Lumber 4
H. Garage . . . . . . 4
H1. Grade . . . . . . 4
I. Habitable Room . . . . . . . . . 4
Ile Height . & . 4
J. Height . e ._ 5.
Jl . Hollow Masonry Unit. .. . 5
K. Lot ...................... 5
El. Lot Line. 5
L. masonry . . . . 5
Ll. LAAtifamily House . . . . . . 5
.
•
Table of Contents, Page 2
H.
N.
Nl .
0.
()I.
0.
Municipality . . . . . . . 5
Place of Assembly. . • . . • • • • • • • • • • 5
Prefabricated . . . . . . . . 5
Shaft . • . . . . . . . • • 5
Solid Masonry . . . . . . . . . . . . . 5
Solid 1,1asonry Unit. . . . . . . . . . . b
P. Sprinklered . . . . . . . . . . . . . . . . . • 6
10 Re
A.
B.
C
D.
strictions on Construction Within the Fire Limits .8
General Restrictions .8
Alterations . . . 8
lioving Buildings . . . . . . . . 9
Doubtful Location . . . . . . . . . . . . . ... 9
P1
Street. . . . . . . . • .
.
. .
.
.
.
. .
•
. .
6
�.
Walls . . . . . . . . . .
.
. .
.
.
.
. .
.
. .
6
(1) Bearing Wall . . . .
.
. .
.
.
.
. .
.
. .
6
(2) Cavity Wall . . . . .
.
. .
.
.
.
. .
.
.
.6
(3) Faced Wall . . . . .
.
. .
.
.
.
. .
.
. .
6
®
(4) Fire Partition . . .
.
. .
.
.
.
. .
.
. .
6
(5) Fire Wall . . . . . .
.
. .
.
.
.
. .
.
. .
6
(6) Foundation Wall . . .
.
. .
.
.
.
. .
.
. .
6
(7) Hollow Wall of Masonry
. .
.
.
.
. .
.
. .
6
(8) Non - Bearing Wall . .
.
. .
.
.
.
. .
.
. .
6
(9) Panel V141 . . . . .
.
. .
.
.
.
. .
.
. .
6
(10) Party Wall . . . . .
.
. .
.
.
.
. .
.
. .
7
(11) Veneered Wall . . . .
.
. .
.
.
.
. .
.
. .
7
8 Classification of Occupancies
...
7
A.
Classes Designed . . 9
7
(1) Public Building . . .
.
. .
.
.
.
. .
.
. .
7
(2) Institutional Building
. .
.
.
.
. .
.
. .
7
(3) Residence Building .
.
. .
.
.
.
. .
.
. .
7
(4) Business Building .
.
. .
.
.
.
. .
.
. .
7
(5) Storage Building . .
.
. .
.
.
.
. .
.
. .
8
B.
nixed Occupancy . . . . .
.
. .
.
.
.
. .
.
. .
8
C.
Doubtful Classification .
.
. .
.
.
.
. .
.
. .
8
9 Classification of Construction
.
. .
.
.
.
. •
.
. .
8
10 Re
A.
B.
C
D.
strictions on Construction Within the Fire Limits .8
General Restrictions .8
Alterations . . . 8
lioving Buildings . . . . . . . . 9
Doubtful Location . . . . . . . . . . . . . ... 9
6
Table of Contents, Page 3
0
E.
Exceptions . . . . . . . . . . . . . .
. .
. . 9
(1) Wood Frame Construction.. . . . .
. .
. . 9
(2) Greenhouses . . . . . . . . . . .
. .
. . 9
(3) Builders Shanties . . . . . . . .
. .
. . 9
(4) Piazzas or Balconies on Dwellings
. .
. . 9
(5) Fences
..9
(6) Display Signs . . . . . . . . . .
. .
. 10
11
Special
Occupancy Requirements for New Construction 10
A.
institutional Buildings . , . . . . . ,
. .
, 10
B.
Theaters and 1.4otion Picture Theaters .
. ,
, 10
C.
Schools,Colleges, ssembly Hall, Bowling Alleys
and Auditoriums . . . . . . . . . . . .
. .
. 10
®
D.
Wall and Ceiling Finish . . • . . . , ,
. ,
. 10
E.
Business and Residence Separation . . ,
. •
, 10
F.
Separation of Dwellings . . . . . . . ,
. .
. 11
G.
Partitions in Multi — Family Houses . . .
. .
, ll
12
Height Restrictions . . . . . . . . . . . .
. .
. 11
A.
New Buildings . . . . . . . . . . . . .
. .
11
B.
Alterations . . . . . . . . . . . . .
. .
11
C.
Public Buildings . . . . . . . . . . .
. .
11
D,
institutional Buildings.
11
E.
Residence Buildings . a
11
•
F.
Business Buildings • •
. .
• • 12
G.
Storage Buildings
12
H.
Exceptions
12
13
Area
Restrictions
12
A.
New Buildings . . . .
12
B.
Street . . . . . . . .
13
C.
Alteration . . . . o
13
D.
Area 1- codification
13
14
i-ieans of Egress . .
14
A.
Application of Section
14
B.
Exit Way Defined . . . . . . . . . . .
14
C.
Number of Occupants • • • • . . • • .
. .
• • 14
D.
Number of Exits ...........
. .
. , i5
c..
Location of Exit Doorways
15
F.
i,nclosures of Iaterior Stairways
15
•
0
0 0
I- Table of Contents, Page 4 . .
G.
Width of Interior Stairways .
. . . . . . .
16
H.
Treads and Risers . . . . , .
. . . . . . .
16
I.
Landings . . . . . . . . . .
. .
17
J.
Handrails . . . . . . . , . .
. .
17
K.
Exit Hallways . , . . . . . .
. .
17
L.
Width of Doorways . .
17
i *►.
Hanging of Doors . . 9
17
N.
Lighting . . . . . . . . . .
. . . .
18
15
Fireproof, Semifireproof and Heavy
Timber
Construction .. . . . . . . . . .
. . . . .
18
16
Ordinary Construction . . . . . .
, . . . .
18
A.
Definition . . . . . . . . .
. . . . . . . .
18
B.
Walls . . . . . . . . . . .
. . . . . ,
18
C.
Beams, Girders and Joists . .
. . . . . . . .
19
D.
Anchorage . . . . . . . . . .
. . . . . . . .
19
E.
Load - Bearing Partitions.
&
20
F.
Wooden Columns . . . . . . .
. .
20
G.
Fire stopping . . . . . . . .
. .
20
H.
Bay Windows and Show Windows
. . .
21
I.
tuansard Roofs . . . . . . .
. . ,
21
J.
Draft Stops iii Attic Spaces
. . . . . . . .
21
17
Noncombustible Construction . . .
. . . . . . . .
21
A.
Definition . . . . . . . . .
. . . . . . . .
21
B.
Walls . . . . . . . . . . .
21
C.
Structural Members . . . . .
. . . .
21
D.
Partitions . . . . . . . . .
. . . .
22
18
blood
Frame Construction . . . . .
. .
22
A.
Definition
. . .
22
B.
Walls
22
C.
Anchorage . . .
. . . . . .
23
D.
Beams, Girders and Joists
. . , . .
23
E.
Load - Bearing Partitions
. • • • • •
23
F.
Wooden Columns . . . . . .
. . . . . .
23
G.
Firestopping . . . . . . . .
. . . . . .
23
H.
Draft Stops in Attic Spaces
. . . 0 . 0 . .
23
Table
of Contents, Page 5
19
Unprotected iietal Construction . . . . . . .
. . .
23
•
20
Workmanship and haterials . . . . . . . . . .
. . .
24
21
1�iasonry . . . . . . . . . . . . . . . . . .
. . .
24
A. Construction . . . . . . . • • • • • •
• • •
24
Be :Mortar . . .. . . . . . . . . . . . . .
. . .
25
C. Solid i-iasonry Walls, Except Stone Walls
. . .
25
D. Stone Walls
27
E. Malls of Hollow Masonry Units • .
28
F. Cavity Walls and Hollow Walls . •
29
G. Faced Walls • • • • • • • • • • • • • •
• . .
30
H. Attachment of Stone Facing• • . . •
31
I. Solid Walls of Plain Concrete • . • • •
• • •
31
•
J. Lateral Support . . . . . . . . . . . .
. . .
31
22
Reinforced Concrete . . . . . . . . . . . .
. . .
32
23
Fire Walls and Party Walls . . . . .
32
A. Construction . . • • • • • • •
32
Be Thickness of Solid Masonry Walls
32
C. Thickness of Brick -Faced Hollow Masonry
Walls
32
D. Thickness of Reinforced Concrete Walls.
32
E. Exception of Thickness Requirements for
Panel Walls
33
F. To Be Carried To or Above the Roof,
33
G. Size and Protection of Openings . . . .
. . .
33
i24
Parapets . . . . . . . . . . . .
33
25
Fire Partitions . . . . . . . .
34
A. Construction . . . . . . .
34
Be Openings . . . . . . . . . . . . . . .
. . .
35
26
Protection of Exterior Openings
35
27
Shafts . . . . . . . .
35
A. Protection Required
35
Be Shaft Enclosures • • • • • • • • • • •
• • •
36
C. Openings . . . . . . . . . . . . . . .
. .
36
D. Enclosure at Top . . . . . . . . . .
36
®
Be Enclosure at Bottom . . . . . . . .
36
F. Elevator Machinery Compartment. . .
36
G. Number of Elevators in Shaft,
_
36
K-1
•
V
L`
Table of Contents, Page 6
28
Roofing . . . . . . . . . . . . . . . .
. 36
29
Skylights . . . . . . . . . . . . .
• 37
30
Basement Ceilings . . . . . • . • .
. 37
31
Chimneys, Flues and Vents . . . . .
. 37
A. Flue Connections Required
37
B. Construction . . . . . 0
37
C. Chimneys for Heating Appliances.
38
D. Use of Flues. . . . . . . • . .
39
32
Flues and Vents for Gas Appliances .
39
A. Flue Connections required . . . •
. 39
B. Types of Flues . . . . . . . . . .
. 40
C. Installation of Type B Gas Vents .
. 40
D. Installation of Gas Vents Other Than Type B.
. 41
E. Flue i- ,ortar. . . . . . . . • . . . . . . . .
. 41
F. Draft Hoods, . . . . . . . . . . . . • . . .
. 41
G. Interconnection of Vents . . . . . • . . . .
. 42
33
Heat Producing Appliances, Heating, Ventilating,
Air Conditioning Blower and Exhaust Systems . . .
. 42
A. Installation Standards . . . . . . . . . . .
. 4z
B. Boiler and Furnace Rooms . . . . . . . . . .
. 42
34
Garages . . • • . . . . . . . • . . . . • . • . •
. 42
35
Disposal of Waste During Construction Operations.
. 44
36
Llevators, 1noving Stairways and Amusement Devices
44
37
Sprinkler Equipments. . . . . . . . • . . . •
. 44
38
Repealing Clause. . . . . . .
• 46
39
Penalty . • . . . . . • . . .
• 46
44
Savings Clause. . . . . . . .
. 46
41
Effective Date. . . . . . . .
• 46
•
i •
ORDINANCE NO. 637
AN ORDINANCE PROVIDING FOR FIRE LIMITS AND
REGULATIONS GOVERNING THE CONSTRUCTION, ALTERA-
TION, EQUIPMENT AND REMOVAL OF BUILDINGS AND
STRUCTURES WITHIN THE CITY LIMITS OF BAYTOWN,
TEXAS; REPEALING ORDINANCES INCONSISTENT HERE-
WITH; CONTAINING A SAVINGS CLAUSE; PROVIDING FOR
A PENALTY AND THE EFFECTIVE DATE THEREOF.
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF BAYTOWN:
SECTION 1: SCOPE
No building or structure shall hereafter be constructed, altered or removed,
nor shall the equipment for the operation of a building, structure or premises be
0 constructed, installed, altered or removed, except in conformity with the provi -
sions of this ordinance.
SECTION 2: OUTSIDE FIRE LIMIT AREA
Outside Fire Limit Area or Zone No. 1 and Fire Limit Area or Zone No. 2, one
family dwellings and one and two apartment dwellings, used exclusively for resi-
dences, are hereby exempted from this ordinance and its provisions except as fol-
lows:
No frame residential building or garage may be build less than five (5') feet
from a side or rear property line with these exceptions:
(1) If at least a ten (10') foot easement has been granted in a rear
or side property line, this restriction shall not apply to the
® property line adjacent thereto.
(2) A garage located not less than ten (10') feet from a residence may
be located not less than two (2') feet from a side or rear property
line.
(3) If residence and garage are attached so as to be one building, the
unit thus considered must be not less than five (5') feet from rear
of side property line.
(4) All separate frame buildings located on the same property which are
used as residential property must be not less than ten (10') feet
apart.
SECTION 3: FIRE LIMITS OF THE CITY OF BAYTOWN
The fire limits of the City of Baytown shall be fire limit area or zone No.
One (1) and fire limit area or zone No. Two (2), as defined in that certain Ordin-
ance No. 71, adopted by the City Council on the 19th day of January, 1950, including
all amendments thereto.
SECTION 4: BUILDING OFFICIAL
1. Appointment
(a) The office of building official is hereby created and such
official shall be appointed by the City Manager.
(b) During temporary absence of the building official,
the City i4anager shall designate an acting building official.
2. Duties
It shall be the duty of the building official to enforce all laws relating
to the construction, alteration, removal and demolition of buildings and
structures.
SECTION 5: PERMITS, INSPECTIONS ACID POSTING OF LIVE LOADS
® 1. No building or structure shall hereafter be built, enlarged, altered
or moved without a permit from the building official, who shall require a plan
of the proposed work, together with a statement of the materials to be used.
2. The building official shall inspect all buildings or structures during
construction to see that the provisions of this ordinance are complied with
and that construction is prosecuted safely. Whenever in his opinion, by
reason of defective or illegal work in violation of a provision of this
ordinance the continuance of a building operation is contrary to public
welfare, he shall order all further work to be stopped and may require suspen-
sion of work until the condition in violation has been remedied.
3. The live load for which each floor, or part of a floor, of a business
building or storage building is designed and approved shall be conspicuously
posted in that part of the story to which it applies.
4. Any person, firm or corporation to whom a building permit is issued,
before said permit is issued, shall pay to the City of Bay-town as a building
permit fee the sum of One ($x7..00) Dollar for each One Thousand (x1,000) Dollars
worth of improvements, or portion thereof, to be constructed under the term
of the permit; provided, however, that any institutions that are exempt from
City taxes shall, upon application, have any and all such fees refunded.
SECTION 6: UNSAFE BUILDINGS
A building or structure declared unsafe by duly constituted authority
• set up by a municipality may be restored to safe condition; provided that if
the damage or cost of reconstruction or restoration is in excess of 5C% of the
value of the.building.or structure, exclusive.of foundations, such building
-2-
6 0
or structure, if reconstructed or restored, shall be made to conform with
respect to materials and type of construction, to the requirements for
® buildings and structures hereafter erected; but no change of use or
occupancy shall be compelled by reason of such reconstruction or restoration.
The term unsafe building shall include buildings structurally unsafe, unstable
or unsanitary; inadequately provided with exit facilities, constituting a
hazard to health or safety because of inadequate maintenance, dilapidation,
obsolescense or abandonment; or otherwise dangerous to life or property.
SECTION 7: DEFINITIONS
Alteration, as applied to a building or structure, means a change or
rearrangement in the structural parts or in the exit facilities; or an en-
largement, whether by extending on a side or by increasing in height; or the
moving from one location or position to another; the term "alter" in its
various moods and tenses and its participial forms, refers to the making of
an alteration.
Amusement device, means a mechanically operated device which is used to
convey persons in any direction as a form of amusement.
Apartment, means a room, cr a suite of two or more rooms, in a residence
building occupied as the home or residence of an individual, family or
household.
Approved, as applied to a material, device or mode of construction, means
approved by the building official under the provisions of this ordinance.
Area, as applied to the dimensions of a building, means the maximum
horizontal projected area of the building at grade.
Automatic fire alarm system, means a system which automatically detects
a fire condition and actuates a fire alarm signal device.
Basement, means a story with floor level 2 feet or more below
finished grade.
Brick, means a solid masonry unit having a shape approximating a rectangu-
lar prism, not larger than 12 by 4 by 4 inches. A brick may be made of burned
clay or shale, of lime and sand, of cement and suitable aggregated, or of
fire clay or other approved materials.
Building, means a combination of materials to form a construction that is
• safe and stable, and adapted to permanent or continuous occupancy for public,
institutional, residence, business or storage purposes; the term "building"
shall be construed as if followed by the words "or part thereof." For the
purposes of this ordinance, each portion of a building separated from other
portions by a fire wall shall be considered as a separate building.
-3-
Building Official, means the officer or duly designated authority
charged with the administration and enforcement of this ordinance, or his
® duly authorized representative.
Corporation Couniseli means the City Attorney of the City of Baytown.
Dwelling, means a building occupied exclusively for residence purposes
and having not more than two apartments, or as a boarding or rooming house
serving not more than 15 persons with means or sleeping accomodations or
both.
Fire resistance ratings means the time in hours that the material or
construction will withstand exposure to fire.
Fire Retardant Ceiling, means a ceiling construction which has been
proved by test as satisfactory for use as ceiling protection for a floor
or roof construction which has a fire resistance rating of not less than
one hour.
Fire retardant-=eated lumber, means lumber which has been treated by
a pressure impregnation process to give a flame spread classification of 50
or less according to the method for the "Fire Hazard Classification of
Building ivaterials" of Underwriters' Laboratories, Inc., and which is shown
to be so classified by a certificate or label issued by Underwriters' Lab-
oratories.
Garage means a building, shed or enclosure, or a part thereof, in which
a motor vehicle containing a flammable fluid in its fuel storage tank, is
stored, housed, kept or repaired.
• Grade, with reference to a building, means, when the curb level has been
established, the mean elevation of the curb level opposite those walls that
are located on, or parallel with and within 15 feet of, street lines; or,
when the curb level has not been established or all the walls of the
building are more than 15 feet from street lines, "grade" means the mean
elevation of the ground adjoining the building on all sides.
Habitable room, means a room occupied by one or more persons for living,
eating or sleeping; and includes kitchens, serving apartments or individual
households, but does not include bathrooms, toilet compartments, laundries,
serving and storage pantries, corridors, basements and other spaces that are
not used frequently or during extended periods.
Height, as applied to a building, means the vertical distance from
grade to the highast finished roof surface in the case of flat roofs, or to a
-4-
point at the average height of roofs having a pitch of more than one foot
in 41 feet; "height" of a building in stories does not include basements,
iexcept that in school buildings of ordinary noncombustible or wood frame
construction, the basement shall be deemed s story when used for purposes
other than storage or heating.
Height, as applied to a wall, means the vertical distance to the top
measured from the foundation wall, or from a girder or other immediate
support of such wall.
Hollow masonry MIJ means a masonry unit whose net cross- sectional area
in any plane parallel to the bearing surface is less than 75% of its gross
cross - sectional area measured in the same plane.
Lot, means a portion of parcel of land considered as a unit, devoted to
® a certain use or occupied by a building or a group of buildings that are
united by a common interest or use, and the customary accessories and open
spaces belonging to the same.
Lot Line, means a line dividing one lot from another, or from a street
or other public space.
Maser means brick, stone, plain concrete, hollow block, solid block
or other similar building units or materials, or combinations of them,
bonded together with mortar. Reinforced concrete is not classed as masonry.
Multgamily house, means a building occupied as the home or residence
of individuals, families or households living independently of each other,
of which three or more are doing cooking within their apartment; including
0 tenement houses, apartment house, flat.
IYiunicipality, means the City of Baytown.
Place of assembly, means a room or space in which provision is made
for the seating of one hundred or more persons for religious, recreational,
educational, political, social or amusement purposes or for the consumption
of food or drink. Such room or space shall include any occupied connecting
room or space in the same story, or in a story or stories above or below,
where entrance is common to the rooms or spaces.
Prefabricated, means composed of sections or panels fabricated prior to
erection on the building foundation.
• Shaft, means a vertical opening:;or passage through two or more floore'of
a building or through floors and roof.
Solid Masonry, means a masonry unit laid continguously with the joints
between tha units filled with mortar, or consisting of plain concrete.
-5-
0 •
Solid masonry unit means a masonry unit whose net cross - sectional'
area in every plane parallel to the bearing surface is 75% or more of its
® gross cross - sectional area measured in the same plane.
Sprinklered, means equipped with an approved automatic sprinkler system
properly maintained.
Street means any public thoroughfare, street, avenue, boulevard, park,
lane, terrace, concourse or space 20 feet or more in width which has been
dedicated or deeded to the public for public use.
Malls:
bearing wall, means a wall which supports any vertical load in addition
to its own weight;
cavity wall, means a wall built of masonry units or of plain concrete, or
® a combination of these materials, so arranged as to provide an air space
within the walls, and in which the inner and outer parts of the wall are
tied together with metal ties;
faced wall means a wall in which the masonry facing the backing are
so bonded as to exert common action under load;
fire partition, means a partition constructed in accordance with
section 251 for the purpose of restricting the spread of fire or to provide
an area of refuge, but not necessarily continuous through all stories not
extended through the roof.
fire wall, means a wall constructed in accordance with section 23, for
the purpose of subdividing a building or separating buildings to restrict
the spread of fire and which starts at the foundation and extends con-
tinously through all stories to and above the roof, except where the roof
is fireproof or semi.fireproof and the wall is carried up tightly against
the under side of the roof slab.
foundation wall, means a wall below the first floor extending below the
adjacent ground level and serving as support for a wall, pier, column or
other structural part of a building.
hollow wall of masonry., means a wall built of masonry units so arranged
as to provide an air space within the wall, and in which the inner and outer
parts of the wall are bonded together with masonry units;
•non-bearing wall, means a wall which supports no load other than its
own weight;
panel wall, means a non- bearing wall built between columns or piers
and wholly supported at each story.
•
•
party wall, means a wall used or adapted for joint service between two
buildings;
• veneered wall, means a wall having a facing which is not attached and
bonded to the backing so as to form an intergral part of the wall for
purposes of loading bearing and stability.
SECTION 8: CLASSIFICATION OF OCCUPANCIES
1. Classes designated. For the purpose of this ordinance, buildings
are classified, with respect to occupancy and use, as public buildings,
institutional buildings, residence buildings, business buildings and storage
building.
(a) Public building means a building in which persons congregate for
civic, political, educational, religious, social or recreational purposes;
including among other, armories, assembly halls, auditoriums, bath houses,
bowling alleys, churches, city halls, club rooms, colleges, court houses,
dance halls, exhibition buildings, grandstands, gymnasiums, lecture halls,
libraries, lodge rooms, motion picture theaters museums, passenger
stations, recreation piers, restaurants, schools, skating rinks, stadiums
and theaters.
(b) Institutional building means a building in which persons are
harbored to receive medical, charitable or other care or treatment, or in
which persons are held or detained by reason of public or civic duty, or
for correctional purposes; including among others, asylums, homes for the
aged, hospitals, houses of correction, infirmaries, jails, nurseries,
• orphanages, penal institutions, reformatories and sanitariums.
(c) Residence building, except when classed as an institutional
building, means a building in which sleeping accommodations are provided;
including among others, apartments, club houses, convents, dormitories,
dwellings, hotels, lodging houses, multi - family houses, studios and
tenements.
(c) Business building means a building occupied for the transaction
of business, for the rendering of professional services, for the display
or sale of goods, wares or merchandise, or for the performance of work or
labor; including among others, bakeries, banks, barber shops, chemical
laboratories, creameries, electric substations, factories, gasoline service
stations, ice plants, laboratories, laundries, markets, office buildings,
open air stores, power plants, radio stations, smoke houses, stores, tele-
phone exchanges, television stations and work shops.
-7-
0
r�L
(e) Storage building means a building for the housing, except for
purely display purposes, of airplanes, automobiles, railway cars or other
® vehicles of transportation, for the sheltering of horses, live stock or
other animals, or exclusively for the storage of goods, wares or merchandise,
not excluding in any case offices incidental to such uses; including among
other, barns, cold storage, freight depots, garages, gasoline bulk stations,
grain elevators, hangars and storage warehouses.
2. vdxed occupancy. Where a minor portion of a building is used for
office, study, studio or other similar purpose, the building shall be class-
ified as to occupancy on the basis of the major use. In other cases where
a building is occupied for two or more purposes not included in one class, the
provisions of this code applying to each class of occupancy shall apply
® to such parts of the building as come within that class; and if there should
be conflicting provisions, the requirements securing the greater safety
shall apply.
3. Doubtful classification. In case a building is not specifically
provided for, or where there is any uncertainty as to its classification,
its status shall be fixed by a duly promulgated rule giving due regard to
safety.
SECTION 9: CLASSIFICATION OF CONSTRUCTION
1. Types designated. For the purpose of this ordinance, construction
as used in buildings shall be classified as follows:
(a)
(b)
• (d)
(e)
(f )
(g)
Fireproof Construction
Semifireproof Construction
Heavy Timber Construction
Ordinary Construction
Noncombustible Construction
Wood Frame Construction
Unprotected Metal Construction
SECTION 10: RESTRICTIONS ON CONSTRUCTION WITHIN THE FIRE LIMITS
1. General Restrictions. Except as otherwise provided in subsection 5
of this section, no building or structure of wood frame construction or of
unprotected metal construction shall be erected within the limits established
by ordinance as the Fire Limits Nos. 1 and 2.
2. Alterations.
(a) Within the fire limits no building or structure of wood fremme
• construction or of unprotected metal construction shall be hereafter
increased in height.
(b) Within the fire limits no building or structure of wood frame
construction or of unprotected metal construction shall be hereafter extender}
Mia
on any side; unless the construction of such extension conforms to the
requirements of this ordinance for new construction.
(c) Within the fire limits no other building or structure shall
be hereafter extended on any side by wood frame construction or unprotected
metal construction.
(d) Nothing in this section shall prohibit other alterations
within the fire limits; provided there is no change of occupancy to a class
of occupancy otherwise prohibited.
3. Moving buildings. No building of wood frame construction or
unprotected metal construction shall hereafter be moved from without to
within the fire limits or within the fire limits.
4. Dou ful location. A building or structure shall be deemed to be
®
within the fire
limits
if one -third or more of the area of such building
or structure is
located
therein.
5. Exceptions. Nothing in this section shall prohibit within the fire
limits and subject to the specified limitationsp the erection of new buildings
or structures, nor the extension or enlargement of heretofore erected
buildings or structures, of wood frame construction or unprotected metal
construction, as follows:
(a) A building of wood frame construction or of unprotected metal
construction occupied exclusively as a private garage or stable, not more than
one story in height nor mare than 500 square feet in area, located on the
same lot with a dwelling; provided that such building shall be placed at least
• 3 feet from the lot lines of a adjoining property.
(b) Greenhouses not nore than 15 feet in height erected on the
same lot with an accessory to a dwelling or a store.
(c) Builders; shanties for use only in connection with a duly
authorized building operation and located on the same lot with such building
operation, on a lot immediately adjoining, or an upper floor of the building
under construction, or on a sidewalk shed.
(d) Piazzas or balconies on dwellings, not exceeding 10 feet in
width nor extending more than 3 feet above the second story floor beams;
provided that no such structure shall be located nearer than 3 feet to an
. adjoining lot line or be joined to a similar structure of another building.
(e) Fenaa8 not exceeding 10 fget Im height.
•
•
(f) Display signs as provided in section 12 -8.
SECTION 11: SPECIAL OCCUPANCY RE UIREMENTS FOR NEW CONSTRUCTION
1. Institutional buildings
(a) Institutional buildings for occupants involuntarily detained
or bedridden shall be of fire proof construction or semifireproof construction.
(b) Institutional buildings for occupants which are not involuntarily
detained or bedridden, when of other than fireproof construction or semi -
fireproof construction, shall not exceed 2 stories in height and shall have
floors and partitions with fire resistance ratings of not less than one hour
and with fire retardant ceilings under roofs, and if of wood frame construction
shall not exceed 1 story in height nor 2500 square feet in area; provided that
buildings converted from another occupancy to such occupancy shall be exempt
from these restrictions if sprinklered.
2. Theaters and notion picture theaters.
(a) Theaters and motion picture theaters shall be fireproof
construction or semifireproof construction, except that portions of such
buildings not over one story or over 45 feet in height may have combustible
roof construction if protected by fire retardant ceilings.
(b) No theater or motion picture theater shall be located within
or attached to a building or other occupancy unless it is separated from
such other occupancies by walls and floors of noncombustible construction
having fire resistance ratings of not less than 3 hours.
3. Schools, colleges, assembly halls, dance halls, bowling alleys, and
• auditoriums, over one story in height, shall have floors of not less than one
hour fire resistance.
4. Wall and ceiling finish. In public buildings and institutional
buildings, and in all places of assembly and exit ways therefrom, no com-
bustible material shall be used as interior wall or ceiling finish which
is of such a nature that flame will spread over its surface more rapidly
than over one -inch wood boards covered with ordinary paint or varnish.
5. Business and residence separation. In buildings of other than fire-
proof of semifireproof construction portions classified as of business
• occupancy shall be separated from portions classified as of residence
occupancy by partitions having a fire resistance rating of not less than one
hour and byrfire retardant ceilings, unless the business portion is
sprinklered.
-i0-
•
Ll
6. Separation of dwellings. Wall or partitions separating 2 or more
dwellings of other than fireproof or semifireproof construction shall consist
of a form of construction having a fire resistance rating of not less than
one hour.
7. Partitions in multi- family houses. In multifamily houses partitions
separating apartments or apartments from hallways or apartments from other
occupancies and partitions separating stores from hallways or other occupancies
shall have a fire resistance rating of not less than one hour, with openings
equipped with approved fire doors or with substantial metal or metal covered
doors or solid wooden doors of the flush type of nominal thickness not less
than 1 3/4 inch.
SECTION 12: HEIGHT RESTRICTIONS
1. New buildings. Except as may be otherwise provided in subsection
• 8 of this section, no building hereafter erected shall exceed in height
the limits fixed in this section.
2. Alterations. No building shall hereafter be altered so as to
exceed the limits of height fixed by this section.
3. Public Buildings. For public buildings semifireproof construction
shall not exceed 75 feet, except that public buildings which have an
occupancy of less than 100 persons above the 75 -foot level may be unlimited
in height; heavy timber construction, 4 stories nor 55 feet; ordinary
construction and non - combustible construction 3 stories nor 35 feet,
except that churches of such construction may be 45 feet but not more
• than 2 stories, and that schools of such construction shall be not more than
2 stories.
4. Institutional buildings. For institutional buildings semifire-
proof construction shall not exceed 75 feet; ordinary construction, heavy
timber construction and non - combustible construction shall not exceed 2 stories
nor 35 feet.
5. Residence buildings. For residence buildings, heavy timber construc-
tion shall not exceed 75 feet; ordinary construction and non - combustible con -
struction shall not exceed 3 stories nor 45 feet; provided that when the floors
immediately over basements are of noncombustible construction having a fire
resistance rating of not less than 2 hours, ordinary construction may exceed
these heights but shall not exceed 4 stories nor 55 feet; and when in addition
e g
in matifamily houses which are subdivided by .fire resistance rating of not
-11-
•
•
less than one hour, ordinary construction and unprotected metal construction
shall not exceed 2 stories nor 35 feet; except that dwellings other than
• prefabricated dwellings shall not exceed 3 stories.
6. Business buildings. For business buildings semifireproof con-
struction and heavy timber construction shall not exceed 75 feet except
that for office buildings semifireproof construction shall. b9 unlimited;
ordinary construction and noncombustible construction ghol.l not ex- ed 4
stories nor 50 feet.
7. Storage buildings. For storage buildings semifireproof construc-
tion shall not exceed 50 feet; ordinary construction, heavy timber construc-
tion and noncombustible construction shall not exceed 22 feet; provided that
in buildings which are sprinklered, semifireproof and heavy timber con-
struction shall not exceed 75 feet and ordinary construction and non-
combustible construction shall not exceed 50 feet.
8. Exceptions.
For the purpose of this section, the following appurtenances shall
not be deemed parts of buildings; Church spires, tanks and their supports,
roof structures, chimneys, signs attached to the buildings, radio masts,
water cooling towers for air conditioning or other apparatus, and parapets
that do not extend more than 4 feet above the roof surface at their
point of contact.
SECTION 13: AREA RESTRICTIONS
1. New buildings. Except as otherwise provided in subsection 4
of this section, the building area permitted without suitable subdivisions
by fire wails shall be limited as follows:
(a) For fireproof construction and semifireproof construction,
unlimited.
(b) For heavy timber construction, the area of buildings shall
not exceed 6,500 square feet if fronting on one street, nor 8,000 square feet
on two streets, nor 10,000 square feet if fronting on three or more streets.
(c) For ordinary construction, and for noncombustible construction
the area of one -story buildings shall not exceed 6,000 square feet if fronting
on 3 streets and 10,500 square feet if fronting on 4 streets; provided that
outside the fire limits the area of one -story buildings of noncombustible
• construction shall not be restricted. The permitted areas for buildings
exceeding one story shall not exceed 5,000, 6,000, 7,500, and 9,000 square
feet, when fronting on one, two, three and four streets, respectively.
-12-
(d) For wood frame construction the area of buildings shall
not exceed 51000 square feet.
• (e) For unprotected metal construction the area of one -story
buildings is not restricted; buildings exceeding one story shall not
exceed the area limits specified for noncombustible construction.
2. Street. Under this section a street shall be deemed to include
any avenue, boulevard, street, alley or land, 20 feet or greater in width,
or any court, parking space or yard, with direct connection to a street,
and not less than 20 feet wide. Such court, parking space or yard shall
be the property of the owner of the building and shall not be enclosed
or roofed over.
3. Alteration. No building shall be hereafter altered so as to exceed
• in area in any story the limits fixed in this section.
4. Area modification.
(a) The limiting areas fixed in this section may be increased
by 100$' when the building is sprinkl.ered, and by 200N when the building
is sprinklered and does not exceed one story nor an average of 25 feet
in height to the roof, or to a fire retardant ceiling through which there
shall be no openings except openings into shafts or ducts, the enclosing
walls of which are of construction equivalent to the ceiling.
(b) Outside the fire limits the area of one -story buildings
of heavy timber construction, ordinary construction and wood frame construc-
tion may be increased thirty -three and one -third (33 1/3 %) per cent above
the areas otherwise fixed in this section, when all wood structural members,
including columns, wall and partition studs and sheating, and floor and roof
construction, are of approved fire retardant treated lumber as defined in
Section 7.
(c) Outside the congested areas of the city, when a hazardous
condition is not created thereby, the area of a public building, a business
building or a storage building, not over two stories high, may be increased
in excess of the areas fixed by this section, in the discretion of the
governing body of the municipality; provided that a building of combustible
occupancy, or involving considerable combustible material in its structural
parts, shall be sprinklered, and also curtain boards or draft stops shall
• be installed as required by the building official.
-13-
SECTION 14: MEANS_ OF EGRESS
1. Application of section. Buildings hereafter erected, except dwellings
. shall be provided with exit facilities in accordance with the requirements
of this section. No building shall be altered so as to reduce the number of
capacity of exits to less than required for new buildings.
2. Exit way defined.
(a) "Exit Way ", means the exit doorway or doorways, or such doorways
together with connecting hallways or stairways, either interior or exterior,
or fire excapes, by means of which persons may proceed safely from a room
or space to a street or to an open space which provides safe access to a
street. Exit ways from any room may lead through other rooms of the same
tenancy.
• (b) Two or more separate exit ways may use the same corridor or
hallway; provided that such corridor or hallway is enclosed by and separated
from exit stairways and other parts of the building by partitions having
a fire resistance rating of not less than one hour.
3. Number of occupants.
(a) The dimensions and capacity of exit ways shall be proportioned
to the number of persons to be accommodated.
(b) When the number of persons to be accommodated by the exit
way is not stated in the application for a permit or is not otherwise fixed,
it shall be decided on the basis of the gross area of the space devoted to
a particular purpose and shall be assumed to be as follows:
• Occupancy Gross Area Per Person
Dance hall, lodge room, or place of assembly. . . 15 Sq. Ft.
Store - Street floor and sales basement L30 Sq. Ft.
other floors . . • . . . . . . . . 60 sq. Ft.
Space used for occupancies, not listed above:
Public. 40 Sq. Ft.
Institutional. 150 Sq. Ft.
Residence 125 Sq. Ft.
Business . • 9.100 Sq. Ft .
Storage . 300 Sq. Ft.
I•
-14-
• •
4. Number of Exits
(a) From rooms. Every room having an area exceeding 1,000
• square feet or occupied by more than 100 persons shall have at least two
exit ways.
(b) From stories. Every story shall have at least one exit way and
every story that exceeds 2,500 square feet in area shall have at least two
separate exit ways.
(c) Apartments. In multifamily houses exceeding two stories above
the basement, and in every two story multifamily house having rnn e. than h
apartments using a common exit way, every apartment that has not direct exit
to a street or to a court opening on a street, sh,0.1 have access to at least
one additional exit way separated from and independent of the ggimary interior
stairway or fire tower.
5. Location of exit doorways. Exit doorways shall be so located that no
point in a floor area, room or space served by them is more than 100 Feet dist-
ance from an exit doorway, measured along the line of travel; except that when a
floor area is subdivided into smaller areas, such as rooms in hotels, multifami..l.y
homes and office buildings, the distance from the door of any room, along an
unobstructed hallway, to an exit doorway, shall be not more than 125 feet,
except that hallways above the first story shall not extend beyond an exit as
a dead end more than 50 feet. Where the building is of fireproof construction
or semifireproof construction, or the building is sprinklered, the above dist-
ance may be increased 50 per cent.
6. Enclosures of interior stairways.
(a) All interior stairways in buildings connecting two or more
stories, whether required as exits or not, shall be enclosed, except as other -
wise provided in paragraph (d).
(b) In unsprinklered buildings which exceed 30 feet to the floor of
the topmost story, or are occupied by more than 75 persons above, or 40 persons
below, the first story grade, not counting those in the first story, and
in multifamily houses four stories or more in height, interior required stair-
ways shall be enclosed with fire partitions.
(c) In other buildings interior stairways shall be enclosed in
nhe`l.l be noncombustible.
-15-
partitions having
a fire resistance
rating of not
less than one hour. In build-
ings of fireproof
construction and
semifireproof
vane- tructi on at,ch parti.tioag
nhe`l.l be noncombustible.
-15-
(d) An enclosure shall not be required for:
(1) A flight of stairs from the wain entrance floor to the
• floor next above when such stairs are not a part of a
required stairway.
(2) A flight of stairs in a building of fireproof construction,
semifireproof construction, or a sprinklered buildings
of heavy timber construction or ordinary construction or
noncombustible construction, when such stairs connect only
one story with one other story immediately above or below
it. In such case the upper and of the stairway shall not
connect to a hallway serving as an exit except through a
fire door.
t(3) A flight of stairs from a balcony or mezzanine having an
area not exceeding 25 per cent of that of the floor immedi-
ately below.
(e) Openings. No openings except the necessary doorways,- and window
opening to the exterior of the buildings, shall be permitted in a stair enclosure
required by this section. Such doorways shall be equipped with approved self-
closing fire doors, except that when fire partitions are not required for the
enclosure, substantial self- closing metal or metal covered doors or solid
wooden doors of the flush type of nominal thickness not less than 1 3/4 inches
may be used. In school buildings, doors on openings in stair enclosures May
have wired glass panels; the area of such glass in any one door shall not exceed
• 720 square inches.
7. Width of interior stairways. The minimum unobstructed width of a
stairway serving as a required exit shall be not less than 44 inches; provided
that in multifamily houses and storage buildings, and in other buildings
occupied by a single tenant and limited in occupancy to 40 persons, such width
may be 36 inches. The width of stairs shall be measured between hand rails
except where hand rails project not mre than 3* inches into such width.
6. Treads and risers.
(a) Treads and risers of required stairs shall be so proportioned
that the product of the width of tread, exclusive of nosing, and the height
of riser, in inches, shall be not less than 70 nor more than 75; but risers
shall not exceed 7 3/4 inches in height, and treads, exclusive of nosing, - ahall
be not less than car} inches wiAA; exnept that in schools the proportion and
-16-
dimensions of the treads and risers may, in the discretion of the building
official, be adjusted to suit the age of the pupils for which the school
is intended. Treads and risers shall be of uniform width and height in any
one story.
9. Landings.
(a) No flight of stairs shall have a vertical rise of more than
12 feet between floors or landings; except that in stairways serving as exits
in public buildings such vertical rise shall not exceed eight feet.
(b) The length and width of landings shall be not less than the
width of stairways in which they occur.
10. Handrails.
(z) Except for steps in aisles, stairs shall have walls or well
• secured balustrades or guards on both sides.
(b) Such stairs when less than 44 inches in width shall have
handrails on at least one side.
(c) Such stairs when required to be 44 inches or more in width shall
have handrails on both sides.
(d) When the required width of a flight of stairs exceeds 88 inches
an intermediate handrail, continuous between landings, securely supported and
terminating at upper end in newels or standards at least 6 feet high, with no
projections, shall be provided.
11. Exit hallways. The clear width of every hallway or passage leading
to a required exit shall be not less than at the rate of 12 inches for every
• 100 persons to be accomodated by the hallway-but not less than 44 inches;
provided that in multifamily houses or in case less than 40 persons are to be
accommodated, the minimum clear width may be 36 inches.
12. Width of doorways. The aggregated clear width of doorways serving
as required exits shall be not less than at the rate of 22 inches for every
100 persons to be accommondated. No exit doorway serving as an exit for more
than 40 persons shall have a clear width of less than 34 inches (nominal
36 inch door).
13. Hanging of doors.
(a) The doors of required doorways shall be so hung and arrenae,d
• that when fully opened they will not in any way diminish or obstruct the
required viAth of hallway, stair, or other means of exit.
-17-
0 •
(b) Doorways opening onto a street or to a court or open space communi-
cating with a street, and serving as a required exit way for more than 40 per-
sons shall have the doors, including the doors of vestibules, so hung as to
swing open in the direction of exit travel; but this requirement shall not be
construed to prohibit the use of sliding doors in stables, garages, or shipping
and receiving rooms of business buildings and storage buildings.
(c) All exit doors in rooms occupied by 40 or more persons and all exit
doors in exit ways from places of assembly shall be hung to swing open in the
direction of exit travel.
(d) No exit door shall open immediately on a flight of stairs, but a
landing the length and width of which are not less than the width of such
door, shall be provided between such door and such stairs.
(e) Where the size of the exit doorway requires two doors in the same
openings, the doors shall be so hung as to require no center post in the
opening for the doors to close against.
14.- Lighting. Required stairways, hallways and other means of exit,
including exterior open spaces to or through which exits lead, shall be kept
adequately lighted at all times that the building served thereby is occupied.
SECTION 15,_ FIREPROOF.- SWNtI'IRF -PROOF fND HEAVY T114BM_CONSTRIXTION.
Fireproof, semifireproof and heavy timber construction shall conform to gener-
ally accepted good practice.
SECTION 16, ORDINARY_ CONMUCTION.
1. Definition. Ordinary construction, as applied to buildings, means
• that in which exterior walls and bearing walls are of masonry or of reinforced
concrete, and in which the structural members, including columns, floor
and roof construction, are wholly or partly of wood of smaller dimensions
than required for heavy tiIInber construction, or of steel or iron not protected
as required for semifireproof construction.
2. Walls.
(a) Exterior walls and all bearing walls shall be of masonry or
of reinforced concrete.
(b) Exterior walls which are within three feet of a lot line along
an adjoining area which is or may be built upon or which are within 6 feet of
® another building of other than fireproof or semifireproof construction on the
some lot, shall have a fire resistance rating of not less than three hours;
except that where the total are of the building does not exceed one and one-
half times the allowable area for any one of the buildings considered such
fire resistance rating shall not be required.
-18-
•
3. Beams, girders and joists.
(a) Wooden beams and joists, except headers and tail joists, and
• except for bearings at joints limited within the allowable stresses provided
in this code, shall have bearings of at least three inches in length.
(b) Wooden trimmers, headers, and tail joists over b feet in
length, unless supported on walls or girders, shall be hung in approved metal
stirrups or hangers. if wooden girders are set flush with the floor joists
the joists shall rest in approved metal stirrups or hangers. The ends of
joists against the girders shell be securely nailed to the girders.
(c) Except in the case of pitched roofs, wooden floor and roof
joists having spans in excess of eight feet shall be rigidly braced with
cont:inous rows of bridging at intervals not exceeding eight feet.
0
(d)
Joists
shall be doubled under
partitions which run over and
parallel to the
joists,
or shall be designed
for the load.
(e) The ends of wooden beams and joists resting on masonry
shall be cut to a level of three inches in their depth.
(f) Wooden joists, beams, and girders resting on opposite side of
a masonry wall shall be separated from one another by at least six inches of
solid masonry.
(g) When a wooden girder rests on masonry an air space of one -half
inch shall be provided on the sides and end of such girder for ventilation,
and each wall bearing end of a girder shall be cut on a level.
4. Anchorage.
• (a) All trimmers and at least one beam or joist in every six feet
resting on masonry walls, shall be secured to such walls by approved metal
anchors attached at or near the bottom in a manner to be self - releasing. Each
end of a trimmer, beam or joist that is supported by a girder, shall be
secured or tied in an approved manner to such girder or to a trimmer, beam or
joist correspondingly supported from the opposite side of such girder. Anchors
and ties shall be so arranged as to form continuous ties between opposite
masonry walls.
(b) Where floor or roof joists or beams run parallel to masonry
walls such walls shall be secured to four or more joists of the floor or
roof construction by approved metal anchors at maximum intervals of eight
feet for dwellings. and six feat in Dthar buildings.
-19-
•
0
(c) Wall plates and roof construction shall be anchored to the
walls at least every six feet.
• (d) Wooden girders shall be anchored to the walls and fastened
to each other with suitable steel straps placed near the bottom of the girder
3. Load - bearing partitions.
(a) Load- bearing partitions shall be the equivalent of 2 x 4 inch
studs, nominal dimensions, spaced not to exceed 16 inches on centers with
the larger dimension perpendicular to the wall. All openings shall have
studs doubled on each side and if more than 3 feet and 6 inches wide they.
shall be trussed over and shall have lintels of sufficient size to carry
the load.
(b) Load - bearing stud partitions shall have top plates not smaller
than double 2 x 4 inch, nominal dimensions, and shall be set over girders or
other partitions below, with the space between the ceiling and the floor
above fire - stopped with solid two -inch, nominal thickness plank, or with
noncombustible material.
6. Wooden columns.
(z) Wooden columns in the several stories of a building, shall be
set directly above one another, on top of the column below.
(b) The loads on wooden columns shall be transmitted to the column
below through reinforced concrete or metal caps with brackets, or through
metal caps and bases with pintle connections or other approved column
connections; provided that wooden bolsters may be used to support roof
• girders.
(c) Wooden columns shall not rest directly on floor joists.
(d) When supported by masonry, suitable stone or metal bases shall
be set between the column and the masonry.
7. Firestopping.
(a) When the walls are furred, the space created by the furring
shall be firestopped with noncombustibll material at floors, ceilings and
roofs. The firestopping shall be the full thickness of the furring and
extend from the ceiling to the underside of the flooring or roof.
(b) When joists run parallel to the wall the space between the wall
• and nearest joist shall be not less than 1 inch and shall be solidly filled
with masonry or approved noncombustible material.
-20-
0
•
(c) Interior stud partitions shall be firestopped at the floors
and ceiling of each story by a 2 inch nominal dimension, wood plate, the
width of the stud, or the equivalent.
(d) When sliding doors are pocketed in partitions, such pockets
shall be completely firestopped at the top, bottom and ends with noncombustible
material or with wood not leas than two inches in thickness, nominal dimension.
(e) Joists shall be firestopped at the ends and over supports
for the full depth of the joists with noncombustible material or with wood
not less than two inches in thickness, nominal. dimension,
(f) No firestopping shall be covered or concealed until inspected
by the building official.
g. Bay windows and show windows. Bay windows and show windows that
extend beyond exter4r walls shall be constructed of noncombustible materials
except that show windows that do not extend above the second story floor
level and bay windows on dwellings may be constructed of wood; when such bay
windows of wood are more than ten feet in width they shall be covered on the
exterior surface with metal or other approved noncombustible weatherproof
materials,
9. Mansard roofs. iiansard or other slanting roofs having a pitch of
more than 60' from the horizontal, hereafter placed on a building ..over 40 feet
in height, shall be of fireproof construction or semifireproof construction.
10. Draft stops in attic spaces. Attic spaces shall be divided into areas
of 3,000 square feet or less by tight draft stops'; these shall be of two
thicknesses of one -inch lumber with joints broken or the equivalent, with
access doors of similar construction.
SECTION 17. NONCOMBUSTIBLE CONSTRUCTION
1. Definition. Noncombustible construction, as applied to buildings,
mans that in which all structural members, including floors, roofs and their
supports, are of steel, iron, concrete, or of otber noncombustille materials,
and in which the exterior walls are of noncombustible construction having
a fire resistance rating of not less than two hours.
2. Malls. Exterior enclosure walls shall provide a durable and stable
weatherproof exterior.
• 3. Structural members. All structural members shall be of steel, iron,
reinforced concrete, or of other approved noncombustible materials.
-21-
0 •
4. Partitions.
(a) If combustible material enters into the construction of parti-
0 they shall be built to have a fire resistance rating of nct less than
one hour; but this shall not prohibit the use of wooden doorq, door casings,
frames, jambs and bucks, window and transom frames and ca::Ings, vr..less the
partitions are required to be fire partitions.
(b) Nothing in this section shell prevent the erection of
temporary partitions of wood and glass or of metal and glass within the
rooms or spaces occupied by a single tenant.
(c) All permanent partitions shall rest on noncombustible
materials.
SECTION 18: WOOD FRAME CONSTRUCTION
® 1. Definition. Wood frame construction, as applied to buildings,
means that in which walls and interior construction are wholly or partly
of wood.
2. Walls.
(a) Framing for exterior walls shall be constructed to develop a
strength and rigidity equivalent to wooden studding, not less than 2 x 4 inch
nominal dimensions., spaced 16 inches on centers with the larger dimension
perpendicular to the wall, and braced with sheathing or diagonal bracing
at the corners to secure the necessary rigidity; except that in one story
buildings studs not over 10 feet in length may be spaced not to exceed 24
inches on centers.
® (b) In buildings except private garages, an exterior wall which
is less than 3 feet distant from the lot line along an adjoining area which
is or may be built upon shall be of noncombustible construction having a fire
resistance rating of not less than two hours; except that the material of the
weather surface may be similar to that of other exterior walls of the
building.
(c) An exterior wall which is less than six feet distant from the
wall of another building of wood frame construction of the same lot, shall
be of noncombustible construction having a fire resistant rating of not
less than two hours; except that the material of the weather surface may be
• similar to that of other exterior walls of the building; and except
that when the aggregate area of the two buildings does not exceed one and
one -half times the limiting area fixed by this code for either building,
such fire resistance rating shall not be required.
-22-
4. Anchorage.
(a) in all buildings 20 feet or more in width where joists run at
• right angles to the rafters, the rafters shall be tied to the ceiling joists
with wood or metal ties nailed to the foot of alternate rafters and extending
across four joists well nailed to each joist.
(b) All joists shall be well lapped and nailed across the building
to form ties between outside walls.
5. Beams, girders and joists shall conform to the requirements of section
16 -3, paragraphs (a) and (d) inclusive. Where ledger or ribbon boards are used
to support joists, such boards shall be not less than 1 x 4 inch, nominal
dimensions, shall be cut out into the studs and securely nailed with not less
than two temporary nails to each stud, and the joists shall be spiked to the
is studs.
6. Load - bearing partitions shall conform to the requirements of section
16.
7. Wooden columns shall conform to the requirements of section 16 -6.
B. F'irestopping.
(a) Exterior walls of wood frame construction shall be properly
firestopped at each floor level, at the top story ceiling level, at the roof
level in the case of flat roofs, and at the foot or roof rafters in the case
of sloping roofs.
(b) joists shall be firestopped at the ends and over supports for
the full depth of the joists.
is (c) Interior stud partitions shall be firestopped at the floor and
ceiling of each story by a two inch, nominal dimension, wood plate, the width
of the stud, or the equivalent.
(d) When sliding doors are pocketed in partitions, such pockets
shall be completely firestopped at the top, bottom and ends.
(e) Firestopping shall be of noncombustible material or of wood
not less than two inches in thickness, nominal dimension. No firestopping
shall be covered or concealed until inspected by the building official.
9. Draft stops in attic spaces. Draft stops shall be provided in attic
spaces as required by Section 16 -10.
SECTION 19. UNPROTECTED MAL CONSTRUCTION
Unprotected metal construction as applied to buildings, means that in which ther
structural supports are unprotected metal and in which floore"' and roofs are of
noncombustible construction, and the exterior walls are of noncombustible
construction having a fire reaistance rating of lesa than two hours-
-2-3-
SECTION 20. WOMAANSHIF AND 14ATERIALS
All building materials shall be of good quality. Workmanship in the
fabrication, preparation and installation of materials shall conform to
generally accepted good practice.
SECTION 21. MASONRY
1. Construction.
(a) Except when carried independently by girders at each floor, no
wall shall be built up more than 25 feet in height in advance of other walla of
the building.
(b) Masonry walls that meet or intersect shall be adequately bonded
or anchored. Piers having less than foursquare feet of cross- aactional area
when located at an intersection with a wall shall be bonded into and built as
® part of that wall.
(c) Except for window - paneled backs and permissible chases and
recesses walls shall not vary in thickness between their lateral supports. When
a change in thickness, due to minimum thickness requirements, occurs between
floor levels, the greater thickness shall be carried up to the higher floor
level.
(d) Isolated piers or posts on the interior of buildings shall not
be built of stone. The unsupported height of piers shall not exceed 10 times
their least dimension. Hollow masonry units shall not be used for isolated
piers to support beams and girders unless solidly filled with concrete or
Type A mortar in which case the allowable load may be increased 25 per cent.
(e) Door and window openings in walls shall be spanned by well
buttressed arches, or by lintels having bearings proportioned to their loads
but not less than four inches.
(f) No masonry, except for interior partitions, shall be supported
on wooden girders or other form of wood construction.
(g) No timber other than nailing blocks not exceeding 2 x 4 x 8
inches in size, shall be placed in masonry walls; except that in buildings of
ordinary construction, timber lintels may be placed over openings, on the inside
of the wall, resting at each end not more than two inches on the wail, and
chamfered or cut to serve as centers for masonry arches; and with the further
• exception that timber members used for decorative purposes may be set against
the masonry, or may be set into the masonry where the wall exceed 8 inches in
thickness.
(h) During erection, walls shall be adequately braced and arches
temporarily supported.
-24-
• •
2. mortar.
(a) 1ortar used in masonry construction shall be proportioned in
accordance with the following table:
MORTAR PROPORTIONS
Proportions by Volume
Mortar Type Cement Hydrated Lime Aggregate, measured
or Lime Putty in a damp and loose
condition
A 1 (Portland) 0 to 1/4 Not over 3 parts
B
1
(Portland) 1 to 1 1/4
Not
over 6 parts
B
1
(1- i4sonry Type 11'x) 0
Not
over 3 parts
C
1
(Portland) 2 to 2 1/2
Not
over 9 parts
C
1
(Masonry Type 1 *) 0
Not
over 3 parts
•
D
0
to 1/2 (Portland) 1 to 1 1/4
Not
over 3 parts
#
As defined in Federal Speoification SS-C -181 b,
Masonry Cement
(b)
Type of mortar required. Masonry shall
be laid in Type A,
Type B
or Type C
mortar, except as follows:
Type A mortar shall be used in foundation wall of hollow masonry
units, and in nominal 10 -inch cavity walls.
Type A or Type B mortar shall be used in footings, foundation
walls of solid masonry units, isolated piers, load bearing or exterior walls
of hollow masonry units, hollow walls and cavity walls exceeding 10 -inch
nominal thickness.
• Type D mortar may be used in solid masonry walls, other than
parapet walls or rubble stone walls, not in contact with the soil and not less
than 12 inches thick nor more than 35 feet in height, provided the walls are
laterally supported at intervals not exceeding 12 times the wall thickness.
Gypsum partition tile and block shall be laid in gypsum mortar.
Non - bearing partitions and fireproofing of structural clay tile may be laid
in gypsum mortar. Fire brick shall be laid in fire clay mortar.
3. Solid masonry walls, except stone walls.
(a) Thickness of Bearing Walls
(l) Except as otherwise provided in paragraphs (2) to (6)
• below, the minimum thickness of solid masonry bearing walls other than fine
walls and party walls shall be not less than 12 inches for the uppermost 35
feet of their height, and shall be increased 4 inches for each sueze live 35
feet-or fraction thereof measured, dowrnaard from the, top of tba wall.
-25-
E
•
(2) Where solid masonry bearing walls are stiffened at dist-
ances not greater than 12 feet apart by cross walls, or by internal or external
ioffsets or returns at least 2 feet deep, or 12 feet vertically by reinforced
concrete Boors or roof, they maybe 12 inches thick for the uppermost 70 feet,
measured downward from the top of the wall, and shall be increased 4 inches in
thickness for each successive 70 feet or fraction thereof.
(3) Outside Fire Zone No. 1 in residential buildings not more
than three stories in height, solid masonry bearing walls may be 8 inches thick
when not over 35 feet in height.
(4) Outside Fire Limit Area or Zone No. 1, solid masonry bear-
ing walls of business buildings not more than one story high, and not over 22
feet in height, nay be 8 inches thick, provided they are reinforced at intervals
not exceeding 16 feet, by 12 inch by 16 inch reinforced concrete or brick piers
or pilasters.
(5) Outside Fire Zone No. 1, solid masonry bearing walls 8
inches thick may be used for buildings not exceeding 30 feet nor two stories
in height, the walls of which, under this ordinance, could be of wood frame
construction; provided they do not exceed 50 feet in length between cross walls,
piers, or buttresses.
(6) Solid masonry bearing walls above roof level, 12 feet pr
less in height, enclosing penthouses or roof - structures may be 8 inches thick
and may be considered as neither increasing the height nor requiring any in-
crease in the thickness of the wall below, provided the requirements for
• allowable stresees are met.
(b) Thickness of Non - Bearing Exterior Walls. Outside Fire Ludt
Area or Zone No. 1, thickness of non - bearing exterior walls, except fire walls
and party walls, shall be not less than-8 inches for the uppermost 22 feet, and
shall. incr "e 4 inches .in thickness-for-each successive 35 feet, -or - fraction
thereof, measured downward from the top of the wall.
(c) Lateral Support. Solid masonry walls shall be- supported at
right angles to the wall face at intervals not. exceeding 20 times the nominal
wall thickness if laid in Type A, B,, or C mortar, and not exceeding 12 times
the nominal wall thickness if laid in Type D mortar. Such lateral_ svn)ort aWI
• conform to subsection ).0 of thj_a saction.
-26-
(d) Bond. The facing and backing of solid masonry bearing walls
® shall be bonded so that not less than 4 per cent of the wall surface is composed
of full length headers. The distance between adjacent full length headers shall
not exceed 24 inches either vertically or horizontally. In solid brick walls
more than 12 inches thick the inner joints of header courses shall be covered
with another header course which shall break joints with the course below. The
facing and backing of solid masonry non - bearing walls shall be bonded as required
above for bearing walls or shall be bonded with corrosion - resistant metal ties
spaced not farther apart than 16 inches vertically and 24 inches horizontally.
(e) Other Requirements.
(1) Under -burned clay bricks shall not be used in any part of
• a building or structure where exposed to the weather, not in isolated piers, nor
in such part of a bearing wall above which the wail extends more than 40 feet.
(2) Clay or shale brick laid in Type A or Type B mortar shall
be wet immediately before being laid, except that very hard or vitrified brick
need not be wetted.
(3) Horizontal and vertical joints in brick masonry shall be
filled with mortar.
(4) Except in dwellings interior bearing walls that are less
than 12 inches in thickness and support wooden floor or roof joists, shall be
corbeled not less than 3 inches to receive such joists, unless approved metal
joists hangers are used.
• (f) Where a building not exceeding 1500 square feet in area and
located not less than 10 feet from an adjoining lot line, faces on two streets,
the pier of partition walls of such building designed to carry the roof load may
be constructed with walls of solid masonry not less than 8 inches in thickness,
provided, however, that no such building shall exceed a total height of more
than 16 feet and the same shall be constructed with 12 inch- by-l6-inch rein-
forced concrete or brick piers or.pilasters not more than 16 feet apart.
4. Stone Idblls.
(a) Thickness.
(1) The minimum thickness of wails of stone ashlar shall be
• not less than that required for solid masonry walls in subsection 2 of this
section.
(2) Rubble stone walls shall be 4 inches thicker than is
required for solid masonry walls in subsection 3 of this section, but
shall not be less than 16 inches thick, and shall not exceed 40 feet in height.
-27-
0 •
(b) Lateral support. Stone walls shall conform to the requirements
® for lateral support of other solid masonry walls in subsection 3 of this section.
(c) Bond.
(1) In ashlar masonry, bond stones uniformly distributed shall
be provided to the extent of not less than 10 per cent of the area and having
not less than 4 inches of bond into the backing masonry.
(2) Rubble stone masonry 24 inches or less in thickness shall
have bond stones with a maximum spacing of 3 feet vertically and horizontally,
and if the masonry is of greater thickness than 24 inches shall have one bond
stone for each 6 square feet of wall surface on both sides and no header stone
shall be less than 12 inches long measured at right angles to tLe face of the
® masonry.
(d) Natural Beds. All stones showing pronounced cleavage shall be
laid on their natural bed, except for cornices and other projecting members which
shall have the grain or bedding planes vertical and at right angles to the face
of the masonry.
5. Walls of hollow masonry units.
(a) Thickness and height
(1) The minimum thickness of walls of hollow masonry units
shell be not less than that required for solid masonry walls in subsection 3 of
this section.
• in height.
(2) Walls of hollow masonry units shall not exceed 50 feet
(b) Lateral support. Walls of hollow masonry units shall be support-
ed at right angles to the wall face at intervals not exceeding 18 times the
nominal wall thickness. Such lateral support shall conform to subsection 10
of this section.
(c) Bond.
(1) Hollow masonry units shall have full mortar coverage of the
face shells in.both the horizontal and vertical joints.
(2) Where two or more hollow units are used to make up the
thickness of a wall, the inner and outer courses shall be bonded at vertical
intervals, not exceeding 3 feet, by lapping at least 4 inches over the unit
is below or by lapping with units at least 50 per cent greater in thickness than
the unit below at vertical intervals. not waaeeding 17 inches.
-28-
C�
•
(3) Brick facing or lining (which does not include veneering)
® when used in hollow block walls shall be bonded to the backing in accordance
with paragraph (d) of subsection 3 of this section.
(4) Where walls of hollow masonry units are decreased in
thickness, a course of solid masonry shall be interposed between the wall
below and the thinner wall above, or the hollow units in the top course of the
thicker wall shall be filled solidly with mortar or masonry.
(d) Bearing. In walls and piers of hollow masonry units, suitable
provision shall be made for proper bearing at the ends of all beams and at
points of load concentration.
6. Cavity walls and hollow units.
• (a) Height and thickness.
(1) Cavity walls and hollow walls shall not exceed 35 feet in
height. Cavity wails, exclusive of the cavity, and hollow walls shall be not
less in thickness than required for solid masonry walls in subsection 3 of this
section.
(2) In cavity walls, neither the facing nor backing shall be
less than 3 3/4 inches in nominal thickness and' the cavity shall be not less
than 2 inches nor more than 3 inches in width.
(b) Lateral Support. Cavity walls shall be supported at right
angles to the wall face at intervals not exceeding 14 times, and hollow walls
at intervals not exceeding 18 times the nominal wall thickness. Such lateral
support shall conform to subsection 10 of this section.
(c) Bond.
(1) In hollow walls the parts of same shall be connected by
bonds of brick, stone or the material of the wall, placed not more than 14
inches apart in either direction but the parts shall not be deemed to act
together in the support of loads unless such bonds are of a size and design
to fully develop the strength of either part.
(2) In cavity walls the facing and backing shall be securely
tied together with suitable bonding ties of adequate strength, A 3/16
inch diameter steel rod or metal tie of equivalent stiffness coated with a
noncorroding metal or other approved protective coating shall be used for each
3 square feet of wall surface. where hollow masonry units are laid with the
cells vertical., rectangular ties shall be used in other walls the ends of ties
shall be bent to 90 degree angles to provide hooks not less than 2 inches long.
-29-
• A
Ties shall be embedded in horizontal joints of facing and backing. Additional
bounding ties shall be provided in all openings, spaced not more than 3 feet
apart around the perimeter and within 12 inches of the opening. Cavity walls
of plain concrete shall be reinforced as provided for solid walls of plain
concrete in subsection 9 of this section.
(d) Bearing.
(1) In hollow walls or cavity wails suitable provisions
shall be made at each line of floor beams and wherever load concentrations
occur, to insure proper bearing.
(2) When cavity walls or hollow walls, in which the cells of
hollow units are laid vertical, are decreased in thickness, the units in the
• top course of the thicker wall shall be filled solidly with mortar or masonry
or the exposed openings in such top course shall be covered with slabs of hard
burned tile or concrete at least one inch in thickness or the openings may be
stopped in some other approved manner.
(e) Drainage. In cavity walls the cavity shall be kept clear of
mortar droppings during construction. Approved flashing shall be installed
and adequate drainage provided to keep dampness away from the backing.
7. Faced Walls.
(a) Material. materials used for facing shall be not less than 2�
inches thick, and in no case less in thickness than 1/8 the height of the unit.
(b) Allowable stresses. Where bonded to the backing as prescribed
below, the full cross section of both the facing and the backing may be
•
considered in computing the stresses.
(c) Thickness. Faced walls shall be not less in thickness than is
required for masonry walls of either of the types forming the facing and the
backing. Where bonded to the backing as prescribed below, the facing may be
considered a part of the wall thickness.
(d) Bond.
(1) Brick facing shall be bonded to the backing as prescribed
for solid masonry walls in subsection 3 (d) of this section.
(2) Ashlar facing of either natural or cast stone shall have
at least 20 per cent of the superficial area extending not less than 4 inches
• into the backing to form bond stones, which shall be uniformly distributed
throughout the wall.
(3) �Ihen walls of hollow masonry units are faced with hollow
-30-
•
•
units, the facing units shall be bonded to the backing as required for walls of
hollow masonry units in subsection 5 (c) of this section.
8. Attachment of stone facing. Every projecting stone, and except when
alternate courses are full bond courses, every stone not a bond stone shall
be securely anchored to the backing with corrosion resistant metal anchors
with a cross section of not less than 0.2 square inch. There shall be at
least 1 anchor to each stone and not less than 2 anchors for each stone more
than 2 feet in length and 3 square feet in superficial area. Facing stones
not over 12 square feet in area shall have at least 1 anchor to each 4 square
feet of superficial face area.
9. Solid walls of plain concrete.
(a) Thickness. The minimum thickness of walls of plain concrete
may be 2 inches less than that required for solid masonry walls, but not
less than 8 inches, except that 6 inch walls may be used where specifically
permitted by subsection 3 (a) (3) of this section.
(b) Lateral support. Solid walls of plain concrete shall be
supported at right angles to the wall fece at intervals not exceeding 20 times
the nominal wall thickness. Such lateral support shall conform to subsection
10 of this section.
(c) Reinforcement around openings. Reinforcement symstricall.y dis-
posed in the thickness of the wall shall be placed not less than 1 inch above
and 1 inch below openings and extend not less than 24 inches each side of such
• openings or be of equivalent length with hooks. The reinforcement both above
and below shall consist of one 5/8 inch round rod for each 6 inches in wall
thickness or fraction thereof.
10. Lateral support. The lateral support required by subsections 3, 4,
5, 6 and 9 of this section shall be either vertical or horizontal. It may be
obtained by cross walls, piers, or buttresses, when the limiting distance is
measured vertically. Sufficient bonding or anchorage shall be provided between
the walls and the supports to resist the assumed wind force, acting either in-
ward or outward. Piers or buttresses relied upon for lateral support shall
have sufficient strength and stability to transfer the wind force, aoting in
either direction to the ground. When walls are dependent upon the floors or
is roofs for their lateral support, provisions shall be made is the building to
transfer the lateral forces to the ground.
-31-
SECTION 22. REINFORCED C'ONCRET'E
® Average concrete for reinforced concrete shall consist of i Pak Port-
land cement and not more than 6 parts aggregate, by volume measured dry, and
not more than 74 gallons of water per sack, 94 pounds, of cement. The
aggregate shall be mixed in an approximate ratio of 2J parts fine aggregate
and A parts coarse aggregate.
SECTION 23: FIRE WALLS AND PARTY WALLS
1. Construction
(a) Fire walls and party walls of masonry shall be laid in Type A
or Type $ mortar.
(b) Fire walls and party walls shall be constructed of solid masonry
unite, or of hollow masonry units faced on each side with brick, or of rein-
forced concrete.
(c) Where structural members project into hollow masonry units the
hollow space shall be filled with noncombustible material the full thickness
of the wall and 4 inches or more above, between the below such members.
2. Thickness of solid masonry walls except panel walls.
(a) For business buildings and storage buildings, fire walls and
party walls of solid masonry units shall be not less than 16 inches thick
for the uppermost 50 feet and increase 4 inches in thickness for each addition-
al 35 feet or fraction thereof measured downward from the top of the wall;
except that where the walls are non - bearing or where beams or girders are
supported on the wall by approved metal hangers and do not enter the wall the
minimiun thickness may be 36 inches for the uppermost 70 feet.
(b) For other buildings, fire walls and party walls of solid mason-
ry units shall be not less than 12 inches thick for the uppermost 35 feet and
increase 4 inches in thickness for each additional 35 feet or fraction thereof
measured downward from the top of the wall.
3. Thickness of.brick -faced hollow masonry walls. Fire walls and party
walls of hollow masonry units faced on each side with at least 4 inches of
brick shall have a total thickness including the facing not less than 4 inches
greater than specified in subsection 2 above for solid masonry walls.
• 4. Thickness of reinforced concrete walls except panel walls.
(a) For business buildings and storage buildings, fire walls, and
party walls of reinforced concrete shall be not less than 11 inches thick for
the uppermost 35 feet and increase 2 inches in thickness for each successive
35 feet or fraction thereof maasinred downward from the tc%p of the wall.
-32-
• •
5. Exception to thickness requirements for panel walls. Where fire
• walls or party walls are constructed as panel walls in a framework of
columns and girders protected as required for fireproof construction
and no panel has a height between supports greater than 12 feet, they may
be of solid masonry not less than 12 inches thick or of reinforced concrete
not less than 8 inches thick.
6. To be carried to or above the roof. Fire walls and party walls
shall extend at least 3 feet above the roof; except where the roof is of
fireproof or semi - fireproof construction in which case the fire walls and
party walls shall be carried up tightly against the underside of the roof
slabs.
7. Size and protection of openings.
• (a) Except in sprinklered buildings, no opening in a fire wall
shall exceed 120 square feet in area with no dimension greater than 12 feet,
and the aggregate width of all openings at any level shall not exceed 25 per cent
of the length of the wall.
(b) Every opening in a required fire wall shall be protected on
each side of the wall with an approved automatic or self- closing fire door;
provided that when a fire wall serves also as a horizontal exit it shall have
no openings other than door openings not exceeding 48 square feet in area,
and one of the fire doors at each opening shall be a self - closing fire door.
SECTION 24:_ PARAPETS
•
(a) Except as listed
below,
parapets shall be provided on all fire
walls, party walls, and exterior
walls
of masonry or reinforced concrete.
Parapets are not required on:
(1) Walls connecting with roofs of fireproof construction
or semifireproof construction;
(2) A wall of a building, the roof of which is at least three
feet lower than the roof of, or any opening in, an adjacent building wail.
more.
(3) walls facing on a street having a width of 30 feet or
(4) Walls of a building which is 30 feet or more distant in
all directions from property lines and from other buildings on the same pro-
perty;
(5) Walls of a building which is 30 feet or more distant in
all directions from property lines but less than 30 feet distant to one or
more buildings on the same property, where the total- area of the buildings
-33-
within 30 feet of each other does not e3weed 1* times the allowable area for
any one of the buildings considered;
(5) Walls of a detached dwelling, or of a building not exceed-
ing 1,000 square feet in area;
(7) Walls of a building where the roof has an angle of more
than 200 with the horizontal.
(b) In dwellings and in buildings in which 8 inch walls are per-
witted, such parapets shall be not less than 8 inches thick and carried at
least two feet above the roof.
(c) In all other buildings such parapets shall be not less than 12
inches thick, and carried not less than 3 feet above the roof.
(d) Parapets shall be properly coped with noncombustible, weather-
proof material and flashed with the flashing extending through the parapet
wall under the coping. All corners of all parapet walls shall be reinforced
with at least one i inch round bar in every third joint, continua around the
corner and extending into the masonry at least 3 feet from the corner.
SECTION 25: FIRE PARTITIONS.
1. Construction.
(a) Fire partitions shall have fire resistance ratings of at least
two hours. They shall be constructed of masonry or reinforced concrete, or
other approved form of construction of noncombustible materials. Fire parti-
tions used for load bearing shall conform to the requirements for bearing walls
• in section 20 and 24, in addition to meeting the requirements of this section.
(b) Fire partitions shall be supported in each story on construction
having a fire resistance rating of not less than 2 hours; provided that when
there also are load bearing, the supporting construction shall have a fire
resistance rating of not less than 4 hours in case the building is fireproof
construction or semifireproof construction, and not less than 3 hours in case
of other construction;
(c) The maximum unsupported height of a fire partition shall not
exceed 18 times its total thickness unless suitably reinforced and anchored at
floor and ceiling unless substantially secured to vertical supports at inter-
vals of not over 18 times the thickness.
• (d) Fire partitions shall be deemed continuous, even though the
several parts are not directly over one another in successive stories if the
-34-
f •
intervening parts of the floors at the levels where offsets occur, are un-
• pierced and of fireproof or semifireproof construction and all parts not
supported directly on the foundations are carried on fireproof construction
2. Openings.
(a) Required fire partitions shall have no openings other than
required door openings, or properly protected duct openings.
(b) Each opening in a required fire partition shall be equipped
with an approved fire door set in an approved door frame.
(c) Each opening in a fire partition serving as a horizontal
exit shall be protected by an approved self - closing fire door.
SECTION 26: PROTECTION OF EXTERIOR OPENINGS
Every building, except dwellings, churches, buildings of wood frame
• construction and of unprotected metal construction, and open air parking
garages shall have approved fire windows or other approved protectives, in
every opening in the exterior walls when such opening faces on a street and
is less than 30 feet from the opposite building line, or when such opening
is less than 30 feet distant in a direct unobstructed line from an opening
in another building, or when such opening is above and not more than 30 feet
distant from any part of a neighboring roof of combustible construction, or
any roof having openings within this distance; provided that such protection
shall not be required for show windows facing on a street which do not extend
above the first full story above grade; and provided further that such pro-
or in parallel planes and are facing in the same direction.
SECTION 27: SHAFTS
1. Protection required.
(a) Every series of openings above one another in two or more
successive floors, or floors and roof, hereafter placed or constructed in a
building or hereafter enlarged or altered to change the use of the shaft, shall
be so protected as to prevent fire in any story from communicating to any other
story; provided that in buildings of heavy timber construction there shall
be no floor opening that is not protected as prescribed in this section or
• in some other approved manner.
(b) The provisions of this section shall apply to all shafts used
for ventilation, light, elevator, pipes, or other purposes, except-stairways,
air ducts, incinerator chutes, flues, shafts in buildings of wood frane.con-
structi:nn, shafts in dwell.inga, and ramps in garages exempted by Section 34-6.
ec
tection
shall
not be
required when the
opening to
be protected and the
opening
against
which
it is
to be protected are
situated
in walls in the same
plane
or in parallel planes and are facing in the same direction.
SECTION 27: SHAFTS
1. Protection required.
(a) Every series of openings above one another in two or more
successive floors, or floors and roof, hereafter placed or constructed in a
building or hereafter enlarged or altered to change the use of the shaft, shall
be so protected as to prevent fire in any story from communicating to any other
story; provided that in buildings of heavy timber construction there shall
be no floor opening that is not protected as prescribed in this section or
• in some other approved manner.
(b) The provisions of this section shall apply to all shafts used
for ventilation, light, elevator, pipes, or other purposes, except-stairways,
air ducts, incinerator chutes, flues, shafts in buildings of wood frane.con-
structi:nn, shafts in dwell.inga, and ramps in garages exempted by Section 34-6.
ec
•
2. Shaft enclosures. The enclosing walls of shafts in residence buildings
of ordinary construction or non - combustible construction or unprotected metal con-
struction shall have a fire resistance rating of not less than 1 hour. The enclos-
ing walls of shafts in other buildings shall be of non - combustible construction hav-
ing a fire resistance rating of not less than 2 hours.
3. Openings. Shaft enclosures shall have no openings other than those neces-
sary for the purpose of the shaft; provided that in elevator shafts there shall be
at least one door in every 30 feet of the height of such shaft. Such openings shall
be protected with approved fire doors, approved fire shutters or approved fire win-
dows.
4. Enclosure at top.
(a) Shaft enclosures extending through the roof which are to be en-
closed at the top, shall be provided with a skylight of at least 10 per cent of the
area of the shaft in the top story and glazed with plain glass 1/8 inch in thickness;
provided that the skylight may be replaced by a window of plain glass of equivalent
area in the side of the shaft if the sill of such window is not less than 2 feet a-
bove the roof and the window does not face a lot line within 10 feet, or may be re-
placed by approved means of ventilation.
(b) A shaft that does not extend through the roof shall have the top
enclosed with a form of construction having a fire resistance rating equal to that
of the walls of the shaft.
5. Enclosure at bottom. A shaft that does not extend to the bottom of the
building shall be enclosed at its lowest point with a floor construction of same type
as that required for the lowest floor to or through which it passes, but such shaft
t floor construction shall have a fire resistance rating of not less than one hour.
6. Elevator machinery compartment. Compartments containing machinery for op-
erasing elevators shall be separated from the elevator shafts by non - combustible con-
struction having a fire resistance rating of not less than 2 hours, with door open-
ings equipped with approved fire doors.
7. Number of elevators in shaft. Not more than 3 elevators shall be placed
hereafter in one shaft.
SECTION 26: ROOFING
(a) Every roof hereafter placed on a building shall be covered with an
approved roofing of brick, concrete, tile, slate, metal, asbestos, prepared asphalt
• asbestos -felt shingles, or built -up roofing finished with asphalt, slag or gravel;
provided, however, that outside the fire limits, residences, separated by at least
ten (10') feet from other buildings may be roofed with approved wooden shingles.
-36-
C�
0
(b) Except where roofing is of a character permitting attachment
direct to framework, it shall be applied to a solid or closely fitted deck.
(c) The use of cork, fiber board or other approved insulation is
permitted on top of the roof deck provided such insulation is covered with an
approved type of fire resistance roof covering applied directly thereto.
SECTION 29: SKYLIGHTS
(a) Skylights placed over shafts, vent shafts and stair enclosures
shall be glazed with plain glass not more than 1/8 of an inch in thickness.
(b) Skylights other than as specified above, which are inclined
less than 609 from the horizontal, hereafter placed on a building shall have the
sashes and frames thereto constructed of metal and glazed with wired glass;
except that skylights in foundries or buildings where acid fumes are present
0 may be of wood by special permission of the building official.
(c) Every skylight in which plain glass is used shall be protected
by a substantial wire screen with wire not lighter than number 12 guage and
having a mesh not less than 3/4 of an inch nor larger than 1 inch, placed not
less than 4 inches nor more than 10 inches above the glazed portion of the
skylight at all points. Such screen shall extend beyond the glazing on all
sides a distance not less than the height of the screen above the glazing.
(d) When a skylight is located over a stairway, public hallway or
a place of assembly, a similar screen shall also be placed below the skylight,
unless there is an intermediate ceiling light.
• SECTION 0: BASEMENT CEILINGS
In buildings except dwellings and one story buildings outside of the
fire limits, the ceiling over basements shall be fire retardant ceilings unless
such basements are sprinklered.
SECTION 31: CHDMYS FLUES AND VENTS
1. Flue connections required. Every heating apparatus or heat producing
applicance requiring a flue connection shall be connected with a flue conform-
ing to the provisions of this section or of section 32. This shall not include
electric appliances, gas appliances, except as specifically required in section
32, nor oil appliances especially designed for use without flue connection.
2. Construction.
(a) Chimneys shall extend at least 3 feet above the highest point
where they pass through the roof of the building and at least 2 .feet higher
than any ridge, within 10 feet of such chimney.
-37-
•
G
(b) No chimney shell be corbeled from a wall more than 6 inches; nor
® shall a chimney be corbeled from a wall which is less than 12 inches in thick-
ness unless it projects equally on each side of the wall; provided that in the
second story of 2 story dwellings corbelling of chimneys on the exterior of the
enclosing walls may equal the wall thickness. In every case the corbeling shall
not exceed one inch projection for each course of brick projected.
(c) No change in the size or shape of a chimney, where the chimney
passes through the roof, shall be made within a distance of 6 inches above or
below the roof joists or rafters.
3. Chimneys for heating appliances, low heat industrial appliances and
portable type incinerators.
(a) Chimneys for stoves, cooking ranges, warm air, hot water and
low pressure steam heating furnaces, fireplaces, and low heat industrial
appliances, other than chimneys for incinerators of nonportable type, shall
be constructed of solid masonry units or of reinforced concrete. The walls
shall be properly bonded or tied with corrosion resistant metal anchors. In
dwellings and buildings of like heating requirements the thickness of the
chimney walls shall be not less than 8 inches, except that rubble stone
masonry shall be not less than 12 inches thick.
(b) Every such chimney hereafter erected or altered shall be lined
with a flue lining conforming to the requirements below.
(c) Flue linings shall be made of fire clay or other refractory clay
IDwhich will withstand the action of flue gases and resist without softening or
cracking, the temperatures to which they will be subjected, but not less than
20001 F., or of cast iron of approved quality, farm and construction.
(d) Required clay flue linings shall be not less than 5/8 of an
inch thick for the smaller flues and increasing in thiclosess for the larger
flues.
(e) Flue linings shall be installed ahead of the construction of the
chimney as it is carried up, carefully bedded one on the other in Type As Type
B or fire clay mortar with close fitting joints left smooth on the inside.
(f) Flue linings shall start from a point not less than 8 inches
below the intake, or, in the case of fireplaces, from the threat of the fire-
place. They shall extend.. as nearly vertically as possible, for the entire
height of the chimney and be extended 4 inches above the top of cap of the
chimney.
-38-
(g) Clean for flues or fireplaces shat* equipped with. cast .
iron doors and frames arranged to remain tightly closed when not in use.
(h) When two or more flues are contained in the saw chimney, at
least every third flue shall be separated by masonry at least 4 inches thick
bonded into the masonry wall of the chimney. Where flue linings are not so
separated,, the joints of adjacent flue linings shall be staggered at least 7
inches.
4. Use of flues. Chimneys or flues installed for the use of gas appli-
ances but which are not suitable for solid or liquid fuels, shall be plainly and
permanently labeled "THIS FLUE IS FOR THE USE OF GAS BURNING APPLIANCES ONLY ".
The label shall be attached at a point near where the vent pipe enters the
chimney, or with a Type B gas vent used in place of a chimney, at a point near
where the Type B gas vent enters a wall, floor or ceiling.
SECTION 32: FLUES AND VENTS FOR GAS APPLIANCES
• 1. Flue connections required. Every gas appliance shall be connected to
an effective flue extending to the outer air and conforming to the provisions
of subsection 2 of this section, if it is included in any of the following
classifications, provided that such connections shall not be required for
industrial appliances of such size or character that the absence of a connec-
tion does not constitute a hazard to the occupants.
(a) Domestic appliances with input rating in excess of 50,000 BTU
per hour, except domestic gas ranges.
(b) Automatically controlled appliances with input rating in excess
of 5,000 BTU per hour, except automatic instantaneous water heaters of the
single faucet type, where the single faucet is attached to and made a part of
•
the appliance.
(c) Automatically controlled appliances with input rating less
than 5,000 BTU per hour, unless equipped with an automatic device to prevent
the escape of unburned gas at the main burner or burners.
The term "automatically controlled appliances" used in paragraphs (b)
and (c) refers to appliances to which the gas supply is automatically turned
on and off in accordance with the demand for heat, but does not include appli-
ances equipped with devices or controls governing the supply of gas to the main
burner or burners which cannot automatically reduce the gas supply below 30
per cent of the input rating.
. (d) Appliances installed in the same room, which if not vented
would make the total input rating of imvented gas appliances, not including
domestic gas ranges, as great as 30 BTU per hour per cubic foot of room content.
-39-
(a) Water Wrs installed in bathrooms,, -balms or any occupied.
room normally kept . closed.
(f) Space heaters in sleeping quarters for use of transients.
(g) All house heating steam and hot water boilers and warm air
furnaces including floor furnaces.
2. Types of flues.
(a) Type A flues: Chimneys or metal smokestacks. Type A flues
are required for: (1) All incinerators; (2) all appliances which may be con-
verted readily to the use of solid or liquid fuel; (3) all boilers and furnaces
other than attic furnaces, except where specific approval is obtained from the
building official for the use of Type B gas vents; (4) all other appliances
except approved appliances which produce flue gas tenperatures not in excess of
5500 F at the outlet of the draft hood when burning gas at the manufacture's
input rating.
(b) Type B gas vents: Approved vent piping of noncombustible,
corrosion - resistant material of adequate strength and heat insulating value,
and having bell and spigot or other acceptable joints. Type B vents shall be
used only with approved gas appliances which are not required by paragraph (a)
above to be vented to type flues., except that they may be used when extended
through an existing non -used chimney whether the chimney is lined or not lined.
(c) Type C gas vents= Vent pipes of sheet copper of not less than
24 U.S. gauge or of galvanized iron of not less than 20 U.S. Gauge or of other
approved corrosion - resistant material, may be used for runs directly from the
space in which the appliance is located through a roof or exterior wall to the
outer air. Such vent pipes shall not pass through any attic or concealed space
nor through any floor. This shall not be construed as prohibiting the use ofr
this ordinance. Installation with reference to clearance from combustible
material and passage through wall or roof shall comply with the provisions of
subsection 4 of this section.
3. Installation of Type B gas vents.
(a) Type B gas vents shall be made up with tight joints.
(b) Type B gas vents shall be installed with a clearance to com-
bustible material or construction whether plastered or unplastered, of not less
than one inch, provided that for vents of floor furnaces such clearance shall
be not less than 3 inches for a distance of not less than 3 feet from the outlet
®
of the draft hood, measured along the center
line
of
the vent
piping.
(c) Suitable provisions shall be
made
to
prevent
mechanical injurY
to Typa B gas vents where they extend through walls, floors or roofs.
-40-
(d) Type Bas vents shall not be used withielid or liquid fuel
burning appliances.
4. Installation of gas vents other than Type B.
(a) Gas appliance vent piping other than approved type B gas vents
shall not pass through any attic or concealed space nor through any combustible
floor, and shall not pass through any combustible roof except as specified in
subsection 2 (c). Where passing through combustible roofs in accordance with
subsection (c) 2 they shall be guarded at the point of passage as specified for
passage through combustible walls or partitions in paragraph (b) below. Vent
piping may extend through any existing chimney whether the chimney is lined
or not.
(b) Gas appliance vent piping other than approved Type B gas vents
shall not pass through combustible walls or partitions unless they are guarded
at the point of passage (1) by metal ventilated thimbles not less than 6 inches
larger in diameter than the pipe, or (2) by metal thimbles not legs than 4 ,
inches larger in diameter than pipe with the annular space filled with mineral
wool or other approved noncombustible insulating material; or in lieu of such
protection all combustible material in the wall or partition shall be cut away
from the vent pipe a sufficient distance to provide the clearance required from
such vent pipe to combustible material- any material used to close up such
opening shall be noncombustible.
(c) Clearances from combustible material to gas appliance vent pip-
ing other than approved Type B gas vents shall be in accordance with standard
practice for safe installation and use as required by section 29.
5. Flue Nbrtar. All glue mortar for flues or vent pipes from gas-
burning appliances shall be acid resisting.
6. Draft Hoods. Every flue connected appliance except an incinerator,
unless its.conatruction serves the same purpose, shall be equipped with an
effective draft hood with either (1) has been approved as part of the appli-
ance or (2) complies with nationally recognized standards for draft hoods.
The draft hood shall be attached to the flue collar of the appliance or as
near to the appliacne as conditions permit and in a position for which it is
designed with reference to horizontal and vertical. planes. The draft hooch shall
be so located that the relief opening is not obstructed by any part of the
appliance or adjacent construction.
� 0
7. Interconn0ion of vents. No vent pipe fro a gas appliance shall
be interconnected with any.other vent pipe, smoke pipe, or flue, unless such
gas appliance is equipped with an automatic device to prevent the escape
of unburned gas at the main burner or burners. Where a gas appliance vent
pipe is joined with a smoke pipe from an appliance burning some other type
of'fubl, for connection into a single flue opening they shall be joined by a
Y fitting located as close as practicable to the chimney. With liquified
petroleum gases the automatic device to prevent the escape of unburned gas
shall shut off the pilot light as well as the main burner or burners.
SECTION 33: HEAT PRODUCING APPLIANCES z_HEATING VENTILATING AIR CONDITIONING
BL MJER AND EXHAUST SYSTEMS
1. Installation Standards. Heat producing appliances and systems (includ-
ing incinerators) hereafter installed shall be installed in accordance with
standard practices for safe installation and use without danger of overheating
combustible material or construction. Ventilating, air conditioning, blower
and exhaust systems hereafter installed shall be installed in accordance with
standard practices for safe installation and use with all features presenting
a possibility of starting or spreading a fire safeguarded to a reasonable de-
gree.
2. Boiler and Furnace Rooms.
(a) Heating boiler and furnace rooms in public buildings, residen-
tial buildings, places of asembly, hotels, and multifamily houses shall be
separated from other parts of the building by construction having a fire
resistance of not less than one hour.
(b) Boiler rooms housing one or more steam boilers carrying more
than 15 pound pressure with a rating of more than 10 boiler horsepower, in
other'than factories, sib n be separated from the rest'of the building by
noncombustible constructi%'bv ng a fire resistance rating of not less than
2 hours, with door openings protected by approved fire doors.
SECTION 34: GARAGES
1. Garages combined with other occupancies. No garage shall be attached
to or form a part of a building of other occupancy except as provided in this
section.
2. Garages not exceeding 1500 square feet in area.
(a) A garage not exceeding 1.'500 square feet in area may be attached
to or form a part of a residence building or a business building if separated
from other occupancies by walls, partitions and ceilings of materials to re-
strict the passage of gases, smoke and odor from the garage to other parts of
the building. -42-
(b) Op*gs from the building into gar* shall be restricted.to a
single doorway; such opening shall be provided with a metal, metal covered
or solid wooden door of not less than 1 3/4 inches nominal thickness equipped
with an approved self - closing device;
® 3. Garages not exceeding 3;000 square feet in area. A garage not ex-
ceeding 32000 square feet in area may be attached tb or form a part of any
building provided separation from other occupancies shall be by walls and
floor and ceiling constructions of at least one -hour fire resistance, and with
all connecting openings provided with self - closing fire doors. Floors shall be
without pits or depressions.
4. Garages exceeding 3,000 square feet in area.
(a) A garage exceeding 3,000 square feet in area may be located
within or attached to a building occupied for any other purpose provided it is
separated from such other occupancy by masonry walls having a fire resistance
rating of not less than 3 hours and by floors and ceilings of fireproof con -
struction or semifi.reproof construction.
(b) Walls, floors and ceilings which effect such separation shall
be continuous and unpierced by openings of any kind; provided that door open
ings equipped with self- closing fire doors leading to salesrooms or offices that
are operated in connection with such garages shall not be prohibited; and pro-
vided also that the use of elevators and stairways to other stories accessible
only by vestibules or balconies, constructed and arranged as required for fire
towers, shall be permitted.
5. Truck loading or unloading area. A truck loading or unloading area
within a building occupied as a store shall be separated from other parts of
9 the building by construction having a fire resistance rating of not less than
one hour and any load bearing part of the building within the loading area
shall also have a fire resistance rating of not less than one hour.
6. Ramps. Ramps connecting floors of garages, which are not considered
as required exit ways under section 14, need not be enclosed in sprinklered
garages, nor in open air parking garages.
7. Floors. Garage floors of other than earth construction which drain
to sewers or storm drains shall be provided with an oil separator or trap.
Where floor areas are extensive, a series of such drains shall be provided.
The contents of oil separators or traps shall be collected at frequent inter-
vals and removed from the premises. Floors in repair aections shall be con-
crete or other materials that may be readily cleaned.
-43-
SECTION 35: DISPO OF WASTE DURING CONSTRUCTION TIONS
Waste material and rubbish shall not be stored nor allowed to accumulate
semifireproof s:onstruction.
(b) Buildinga. over 2 stories in.height used..for, the manufacture,
sale or storage of combustible goods or merchandise (not including- garages)
and -exceeding in are-a.7,500 square - feet..when of types of construction other
than fireproof construction and semifireproof construction,
0 -44-
within the building or in the immediate vicinity, but shall be removed from
the premises as rapidly as practicable. Combustible waste and rubbish shall
be removed at least daily. No material shall be disposed of by burning on the
premises or in the immediate vicinity. Dry material or rubbish shall be wetted
down, if necessary, to lay dust or prevent being blown about.
SECTION 36: ELEVATORS, Iv VING STAIRWAYS AND AMMEPENT DEVICES
(a) Elevators, moving stairways and amusement devices, hereafter erected,
or installed, or hereafter altered shall be constructed, installed and main-
tained in accordance with rules duly promulgated by the building official.
(b) It shall be unlawful for the owner to operate or permit the opera-
tion or use of a passenger elevator, freight elevator, moving stairway or a-
musement device, hereafter installed or constructed, until a certificate shall
®
have been obtained from the building official.
(c) The building official shall make or cause to be'made an inspection
of every passenger elevator at least once in every three months, and of every
freight elevator, moving stairway and every amusement device at least once in
every six months.
SECTION 37: SPRINKLER EQUIPMENTS
1. Sprinklers required. In buildings hereafter erected, or altered to
increase the area or height, approved automatic sprinkler equipments shall be
installed and maintainad as specified in the following paragraphs. The areas
specified shall be the area enclosed by exterior, walls or fire walls or a
combination thereof, except that in buildings of fireproof construction or
®
semifi.reproof construction the area shall be that enclosed by exterior walls,
- fire.. walls or-fire partitions or a combination-'thereof.
(a) Buildings over 2 'stories in height used for the. manufacture,
sale -or .storage ' of -combustible . goods or. merchandise . (not including garages)
and exceeding in area 10,000 square feet when of fireproof construction or
semifireproof s:onstruction.
(b) Buildinga. over 2 stories in.height used..for, the manufacture,
sale or storage of combustible goods or merchandise (not including- garages)
and -exceeding in are-a.7,500 square - feet..when of types of construction other
than fireproof construction and semifireproof construction,
0 -44-
(c) B *ings exceeding 2 stories in h#t or in excess of 2,000
Square •feet in any floor above the first or ground floor, hereafter erected or
altered, so that suitable access, as defined below, to each story above the
basement is not provided on at least one side of the building. Suitable access
® shall be deemed as requiring a usable opening through the wall at each story at
least 32 inches wide, 38 inches high and with the sill not more than 32 inches
above the floor; the openings shall be so spaced that there will be one opening
for each 50 feet of frontage.
(d) Garages exceeding 6 stories in height.
(e) Garages for storage of loaded commerchial trucks, exceeding
2,000 square feet in area and of other than fireproof construction.
(f) Bus garages exceeding 2 stories in height.
(g) Basement garages housing more than 3 motor vehicles.
(h) Garages located in buildings in which one or more stories or
bus terminals for 3 or more buses, or are used for the storage and loading of
2 or more trucks.
(i) Basements having an area exceeding 3500 square feet, when used
for the manufacture, sale or storage of combustible goods or merchandise, ex-
cept that in public buildings, institutional buildings and residence buildings,
the automatic sprinkler equipments will be required only in such portions as
are used for storage purposes or as work shops.
(j) In buildings occupied as a place of assembly and having a
stage arranged for theatrical, operatic or similar purposes, approved automatic.
® sprinkler equipments shall be provided under the roof of the stage, under the
gridiron, the rigging loft and fly and tie galleries, under the stage, in
dressing rooms, scene docks, work shops and storage rooms.
(k) When adequate heat is not provided and in the opinion of the
building official the hazard is not severe, such sprinkler system may be re-
placed by a system having approved automatic sprinklers, but with supply only
from a fire department connection on the building front, or with an approved
protective device with fire department connection on the building front, by
which water can be applied to or directed at the fire by suitable control
equipment from outside the building; there being in each case an approved auto-
matic fire alarm system connected to an outside gong or to the central station
of a supervising company.
-45-
parts thereof
above such garages
are occupied for other purposes
when such
garages have
a capacity of 20 or
more passenger automobiles, or
are used as
bus terminals for 3 or more buses, or are used for the storage and loading of
2 or more trucks.
(i) Basements having an area exceeding 3500 square feet, when used
for the manufacture, sale or storage of combustible goods or merchandise, ex-
cept that in public buildings, institutional buildings and residence buildings,
the automatic sprinkler equipments will be required only in such portions as
are used for storage purposes or as work shops.
(j) In buildings occupied as a place of assembly and having a
stage arranged for theatrical, operatic or similar purposes, approved automatic.
® sprinkler equipments shall be provided under the roof of the stage, under the
gridiron, the rigging loft and fly and tie galleries, under the stage, in
dressing rooms, scene docks, work shops and storage rooms.
(k) When adequate heat is not provided and in the opinion of the
building official the hazard is not severe, such sprinkler system may be re-
placed by a system having approved automatic sprinklers, but with supply only
from a fire department connection on the building front, or with an approved
protective device with fire department connection on the building front, by
which water can be applied to or directed at the fire by suitable control
equipment from outside the building; there being in each case an approved auto-
matic fire alarm system connected to an outside gong or to the central station
of a supervising company.
-45-
SECTION 38: REPEALING CLAUSE
® All ordinances or parts of ordinances inconsistent with the terms of this
ordinance are hereby repealed; provided, however, that such repeal shall be only to
the extent of such inconsistency, and in all other respects this ordinance shall be
cumulative of other ordinances regulating and governing the subject matter covered
by this ordinance.
SECTION 39: PENALTY
Any person who shall violate any provision of this ordinance shall be deemed
guilty of a misdemeanor and, upon conviction, shall be punished by a fine of not
more than Two Hundred ($200.00) Dollars. Each day of the continuance of such viola-
tion shall be considered a separate offense; and any person, agent or employee en-
gaged in any such violation shall, on conviction, be so punished therefor.
SECTION 40: SAVINGS CLAUSE
If any provision, exception, section, subsection, paragraph, sentence, clause
or phrase of this ordinance or the application of same to any person or set of cir-
cumstances shall for any reason be held unconstitutional, void or invalid, such in-
validity shall not affect the validity of the remaining provisions of this ordinance
or their application to other persons or sets of circumstances and to this end, all
provisions of this ordinance are declared to be severable.
SECTION 41: EFFECTIVE DATE
This ordinance shall take effect from and after ten (10) days from its passage
by the City Council. The City Clerk is hereby directed to give notice hereof caus-
Is ing the caption of this ordinance to be published in the official newspaper of the
City of Baytown at least twice within ten (10) days after the passage of this ordin-
ance.
INTRODUCED, READ and PASSED by the affirmative vote of a majority of the City
Council of the City of Baytown on the 10th day of October, 1961.
ATTES
Edna Oliver, City Clerk
M,
-46-