[Ord. No. 687 §201, 11-1-1960]
A.
Every building hereafter erected or enlarged within the fire limits as set out in Section 500.010, shall, except as provided for in Section 500.050, be enclosed on all sides with walls constructed wholly of brick, stone, hollow tile, hollow or solid concrete block, concrete, or other equivalent incombustible materials; and shall have the roof, also top and sides of all roof structures, including dormer windows, covered with incombustible or fire retardant materials. All cornices shall be incombustible material.
B.
Buildings with wooden framework clad with sheet metal or stucco or
veneered with brick or its equivalent shall be classed as frame.
[Ord. No. 687 §202, 11-1-1960]
A.
No frame, wooden or metal structure shall hereafter be built within
the fire limits as given herein, or as they may be hereafter established,
except the following:
1.
Temporary one (1) story buildings for use of builders, only in connection with a building operation for which a permit has been issued under Section 500.020.
2.
Fences not exceeding ten (10) feet in height.
3.
Porches, balconies and canopies not exceeding ten (10) feet
in width, nor extending more than three (3) feet above the second
story floor beams. No such structure shall be joined to any similar
structure of another building.
4.
Bay windows when covered with incombustible or fire retardant
materials.
5.
Small detached outbuildings not exceeding one hundred fifty
(150) square feet in area and eight (8) feet in height, and not within
five (5) feet of any lot line.
6.
Dwellings not exceeding two (2) stories in height and separated
by at least five (5) feet from lot line of adjoining property.
7.
A building occupied exclusively as a private garage or stable,
not more than one story in height nor more than seven hundred fifty
(750) square feet in area, located on the same lot with a dwelling,
provided that such building be placed at least three (3) feet from
the lot line.
8.
One story all-metal buildings or other unprotected noncombustible
construction, with no wood in wall or roof structure, having a horizontal
separation of at least ten (10) feet on all sides, with area not exceeding
two thousand five hundred (2,500) square feet when used for a business
occupancy, or not exceeding one thousand (1,000) square feet when
used for other occupancy. Business occupancy means the use of a building
or structure for transacting of business or rendering or receiving
of professional services, including, among others, banks, barber shops,
beauty parlors, offices, radio and television stations, telephone
exchanges.
9.
Coal tipples, ice houses, material bins, trestles and water
tanks when built of planking and timbers of the dimension usual for
heavy timber construction.
10.
Cooling towers not in excess of two hundred fifty (250) square
feet in base area and fifteen (15) feet in height.
11.
Greenhouses not more than fifteen (15) feet in height, erected
on the same lot, with and accessory to dwelling or store.
12.
Noncombustible display signs, or combustible display signs when
not over fifteen (15) feet high and not attached to or forming part
of any other structure.
B.
No frame or metal building or other unprotected noncombustible construction
not in conformity with this Section shall be moved from without to
within the fire limits, or from one lot to another lot within the
fire limits.
[Ord. No. 687 §203, 11-1-1960]
Any existing frame building within the fire limits not in conformity
with this Chapter, which may hereafter be damaged by fire, decay or
otherwise to an amount greater than one half (1/2) of its value, exclusive
of foundation, shall not be repaired or rebuilt, but shall be removed.
[Ord. No. 687 §204, 11-1-1960]
A.
The floor area of buildings within fire walls shall not exceed the
following:
|
Type Of Construction
|
One Story
(square feet)
|
Exceeding One Story
(square feet)
| |
|---|---|---|---|
|
Ordinary construction
|
9,000
|
6,000
| |
|
Unprotected noncombustible construction
|
9,000
|
6,000
| |
|
Wood frame construction
|
6,000
|
4,000
|
B.
If fronting on more than one (1) street, above areas may be increased
twenty five percent (25%) for each additional street.
C.
For the purpose of this Section, a street shall be deemed to include
any venue, boulevard, street, alley or lane, twenty (20) feet or greater
in width, or any court, parking space or yard with direct connection
to a street, and not less than twenty (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.
D.
Non-fire-resistive buildings, fully equipped with approved automatic
sprinklers, may be two hundred percent (200%) greater in area than
the above.
E.
No building shall exceed three (3) stories or forty-five (45) feet
in height unless of fire resistive construction (reinforced concrete
frame, floors and roof or the equivalent).
[Ord. No. 687 §205, 11-1-1960]
Every room of any building exceeding one thousand (1,000) square
feet in area or occupied by more than one hundred (100) persons shall
have at least two (2) exits. Every story of any building shall have
at least one (1) exit and every story that exceeds two thousand five
hundred (2,500) square feet in area shall have at least two (2) separate
and independent exits. All doors in required exits shall swing in
the direction of exit travel. The term exit and the required number
of exits, their location, unobstructed width, illumination and indicating
signs shall be in accordance with a nationally recognized standard
and satisfactory to the Building Inspector.
[Ord. No. 687 §206, 11-1-1960]
A.
Those walls which are required by this Chapter to be of masonry construction
shall be continuous from foundation to the roof. The thickness of
such walls shall be sufficient to carry safely all imposed loads and
shall comply with minimum dimensions as specified in this Section.
1.
Brick bearing walls not common to more than one building, shall
have a minimum thickness of twelve (12) inches for one (1) story buildings
or for the upper two (2) stories of buildings more than one (1) story
in height. This minimum thickness shall be increased four (4) inches
for each two (2) stories or fraction thereof below the upper two (2)
stories. [For example, minimum thickness required for a seven (7)
story wall would be twenty-four (24), twenty (20), twenty (20), sixteen
(16), sixteen (16), twelve (12), and twelve (12) inches.] Brick bearing
walls not common to more than one (1) building, may be eight (8) inches
in thickness under the following conditions:
2.
Brick nonbearing walls not wholly supported by girders at each story, and not common to more than one (1) building, shall conform to minimum thickness of Subsection (A)(1) above except that walls four (4) inches less in thickness may be permitted where L_[1] inches or greater thickness is specified in Subsection (A)(1). [For example, minimum thicknesses required for a seven (7) story wall would be twenty (20), sixteen (16), sixteen (16), twelve (12), twelve (12), twelve (12), and twelve (12) inches.]
[1]
Editor's Note: So in original.
3.
Brick nonbearing walls wholly supported by girders at each story
may be twelve (12) inches in thickness where common to more than one
(1) building or eight (8) inches in thickness where not common to
more than one (1) building.
5.
Natural stone walls shall be four (4) inches thicker than specified
above for brick walls. Hewn or squared stone walls shall conform to
the thicknesses specified above for brick walls.
6.
Hollow masonry walls shall conform to the thickness specified
above for brick walls except that no hollow block or hollow tile walls
shall be used where common to more than one (1) building unless faced
on both sides with not less than four (4) inches of brick properly
bonded. Where structure members project into hollow masonry units,
the hollow space shall be filled with noncombustible material the
full thickness of the wall and six (6) inches more above, between
and below such members.
7.
Reinforced concrete walls of monolithic construction shall be
not less than two-thirds (2/3) the thickness specified above for brick
walls, except that no such wall shall be less than two-thirds (2/3)
the thickness specified above for brick walls, except that no such
wall shall be less than six (6) inches in thickness. Concrete walls
not properly reinforced shall conform to the thickness specified above
for brick walls.
8.
Other Noncombustible Walls. Where acceptable to the Building
Inspector, other noncombustible materials of required structural stability
may be used in walls, when conforming with the following minimum requirements:
|
Type Of Wall
|
Horizontal Separation
|
Fire Resistance Rating Not Less Than
|
Total Area Of Window Openings Not Exceeding
| |
|---|---|---|---|---|
|
Fire wall, bearing or nonbearing
|
4 hours
|
None permitted
| ||
|
Bearing wall
|
Less than 3 feet
|
3 hours
|
None permitted
| |
|
At least 3 feet
|
2 hours
|
None permitted
| ||
|
Nonbearing wall
|
Less than 3 feet
|
3 hours
|
40% of total wall area
| |
|
At least 3 feet
|
2 hours
|
40% of total wall area
| ||
|
At least 20 feet
|
1 hour
|
60% of total wall area
|
[Ord. No. 687 §207, 11-1-1960]
A.
Parapets eight (8) inches or more in thickness shall be extended
a minimum of eighteen (18) inches above the roof level on those walls
which are required by this Chapter to be of masonry construction,
except as specifically exempted below. All parapeted walls shall be
suitably coped. Parapets shall not be required on:
1.
Walls terminating at roofs of fireproof or semifireproof construction.
2.
A wall of a building, the roof of which is at least three (3)
feet lower than the roof of, or any opening in, an adjacent building
wall.
3.
Walls facing on a street having a width of thirty (30) feet
or more.
4.
Walls of a building which is thirty (30) feet or more distant
in all directions from all other buildings.
5.
Walls of a detached dwelling or of a building not exceeding
one thousand (1,000) square feet in area.
6.
Walls of a building where the roof has an angle of more than
twenty degrees (20°) with the horizontal.
[Ord. No. 687 §208, 11-1-1960]
A.
For the purpose of preventing the spread of fire from building to
building, communicating openings in fire walls and certain openings
in exterior walls required by this Chapter to be of masonry or equivalent
construction shall be protected by approved fire doors, approved fire
windows or other approved means satisfactory to the Building Inspector.
B.
Protection shall be required for conditions as follows:
1.
When communicating openings are located in fire walls separating
buildings. In such cases, communicating openings shall be protected
on each side of the walls by fire doors approved for the protection
of openings in fire walls.
2.
When openings are located above the first story in an exterior
wall facing on a street less than thirty (30) feet measured from building
line to building line.
3.
When openings in an exterior wall are less than thirty (30)
feet distant in a direct unobstructed line from an opening in another
building. Protection shall not be required where openings in exterior
walls face in the same direction.
4.
When openings in an exterior wall are above and are less than
thirty (30) feet distant from any part of a neighboring roof of a
building of other than fire resistive construction (reinforced concrete
frame, floors and roof or their equivalent).
[Ord. No. 687 §209, 11-1-1960]
Firestopping in all classes of buildings shall be arranged to
cut off all concealed draft openings, such as to floors, ceilings,
roofs and at attic spaces, and shall form effectual fire barriers
horizontally and vertically. In buildings of non-fire-resistive construction,
wood two (2) inches in thickness, nominal thickness, nominal dimension,
may be used, in other types of construction approved noncombustible
material shall be used.
[Ord. No. 687 §210, 11-1-1960]
All workmanship and building material shall be of good quality
and shall conform to specifications which the Building Inspector prescribes.
The more generally standard specifications for quality of materials
are those of the American Society for Testing Materials. All parts
of every building shall be designed to safety carry loads to be imposed
thereon and shall in all other respects conform to good engineering
practices.
