A.
The International Building Code, 2015 Edition, is hereby amended
as follows:
1.
101.1. Delete and insert in lieu thereof the following: Title.
These regulations shall be known as the "Building Code of Jefferson
County, Missouri," hereinafter referred to as "this code."
2.
101.4.3. Delete and insert in lieu thereof the following: The
provisions of the International Plumbing Code shall apply to the installation,
alteration, repair and replacement of plumbing systems, including
equipment, appliances, fixtures, fittings and appurtenances, and where
connected to a water or sewage system and all aspects of a medical
gas system. The provisions of the Jefferson County On-Site Sewage
Treatment Code shall apply to private sewage disposal systems.
3.
101.4.4. Delete entire section.
4.
101.4.7. Delete entire section.
5.
103.1. Delete entire section.
6.
104. Duties and Powers of Building Official is amended wherever
these words are found by deleting "Building Official" and substituting
"Code Official."
7.
104.10.1. Delete and insert in lieu thereof the following: The
Code Official shall not grant modifications to any provision required
in flood hazard areas except as set forth in the Jefferson County,
Missouri, Flood Damage Prevention Ordinance.
8.
105.2. Delete and insert in lieu thereof the following: Work
Exempt from Permit. Exemption from permit requirements of this code
shall not be deemed to grant authorization for any work to be done
in any manner in violation of the provisions of this code or any other
laws or ordinances of Jefferson County, Missouri. Permits shall not
be required for the following:
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Building:
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1.
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One-story detached accessory structures, provided that the floor
area does not exceed two hundred (200) square feet.
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2.
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Fences not over eight (8) feet (2,438 mm) high.
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3.
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Retaining walls that are not over six (6) feet in height measured
from the finished grade to the top of the wall, excluding the cap,
unless supporting a surcharge.
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4.
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Water tanks supported directly upon grade if the capacity does
not exceed five thousand (5,000) gallons (18,927 L) and the ratio
of height to diameter or width does not exceed 2 to 1.
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5.
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Sidewalks, driveways, patios and door landing pads.
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6.
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Painting, papering, tiling, carpeting, cabinets, countertops,
replacement of flooring, trim, finish and similar finish work.
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7.
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Prefabricated swimming pools that are less than twenty-four
(24) inches (610 mm) deep.
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8.
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Swings and other playground equipment.
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9.
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Window awnings supported by an exterior wall that do not project
more than fifty-four (54) inches (1,372 mm) from the exterior wall
and do not require additional support.
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10.
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Decks not exceeding two hundred (200) square feet in area, that
are not more than thirty (30) inches (762 mm) above grade at any point,
are not attached to a dwelling and do not serve the exit door required
by Section R311.4.
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11.
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Single-family residential roof replacement, replacement roofing
that involves the shingles, the underlayment and/or the sheathed decks.
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12.
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Replacement of siding.
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13.
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Replacement of doors and/or windows provided opening sizes and
operation do not change.
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14.
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Residential kitchen appliance replacement.
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15.
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Water heater replacement.
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16.
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Garage door and opener replacement.
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Electrical:
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Repairs and maintenance: minor repair work, including the replacement
of lamps or the connection of approved portable electrical equipment
to approved permanently installed receptacles.
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Radio and television transmitting stations: The provisions of
this code shall not apply to electrical equipment used for radio and
television transmissions, but do apply to equipment and wiring for
a power supply and the installations of towers and antennas.
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Temporary testing systems: A permit shall not be required for
the installation of any temporary system required for the testing
or servicing of electrical equipment or apparatus.
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Gas:
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1.
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Portable heating, cooking or clothes-drying appliances.
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2.
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Replacement of any minor part that does not alter approval of
equipment or make such equipment unsafe.
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3.
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Portable-fuel-cell appliances that are not connected to a fixed
piping system and are not interconnected to a power grid.
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Mechanical:
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1.
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Portable heating appliances.
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2.
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Portable ventilation appliances.
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3.
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Portable cooling units.
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4.
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Steam, hot- or chilled-water piping within any heating or cooling
equipment regulated by this code.
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5.
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Replacement of any minor part that does not alter approval of
equipment or make such equipment unsafe.
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6.
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Portable evaporative coolers.
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7.
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Self-contained refrigeration systems containing ten (10) pounds
(4.54 kg) or less of refrigerant or that are actuated by motors of
one (1) horsepower (746 W) or less.
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8.
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Portable-fuel-cell appliances that are not connected to a fixed
piping system and are not interconnected to a power grid.
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Plumbing:
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1.
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The stopping of leaks in drains, water, soil, waste or vent
pipe.
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2.
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The clearing of stoppages or the repairing of leaks in pipes,
valves or fixtures, and the removal and reinstallation of existing
fixtures.
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13.
110.3.5. Delete and insert in lieu thereof the following: Lath,
gypsum board and gypsum panel product inspection. Lath, gypsum board
and gypsum panel product inspections may be made after lathing, gypsum
board and gypsum products, interior and exterior, are in place, but
before any plastering is applied or gypsum board and gypsum panel
product joints and fasteners are taped and finished.
Exception: Gypsum board and gypsum panel products that are not
part of a fire-resistance-rated assembly or a shear assembly.
19.
202. Delete "STRUCTURAL OBSERVATION" and insert in lieu thereof
the following: STRUCTURAL OBSERVATION. The visual observation of the
structural system by a registered design professional for general
conformance to the approved construction documents at significant
construction stages and at completion of the structural system. Upon
request by the registered design professional, the Code Official may
permit structural observation to substitute for some special inspections
required by Sections 110, 1704 or other Sections of this Code. Such
permission must be in writing and will qualify as an interpretation
of this Code under Sections 104 and 112.
20.
305.2. Delete and insert in lieu thereof the following: Group
E, day care facilities. This group includes buildings and structures
or portions thereof occupied by more than ten (10) children older
than two and one-half (2 1/2) years of age who receive educational,
supervision or personal care services for fewer than twenty-four (24)
hours a day.
21.
423.1. Delete and insert in lieu thereof the following: General.
In addition to other applicable requirements in this code, storm shelters
shall be constructed in accordance with ICC 500, where economically
feasible.
22.
406.3.4.1. Delete and insert in lieu thereof the following:
Dwelling unit separation. The private garage shall be separated from
the dwelling unit and its attic area by means of gypsum board, no
less than three-eighths (3/8) inch in thickness, applied to the garage
side. Garages beneath habitable rooms shall be separated from all
habitable rooms above by not less than a five-eighths-inch Type X
gypsum board or equivalent and one-half-inch gypsum board applied
to structures supporting the separation from habitable rooms above
the garage. Door openings between a private garage and the dwelling
unit shall be equipped with either solid wood doors or solid or honeycomb
core steel doors not less than one and three-fourths (1 3/4)
inches in thickness, or doors in compliance with Section 716.5.3 with
a fire protection rating of not less than twenty (20) minutes.
23.
903.2.1.2. Delete and insert in lieu thereof the following:
Group A-2. An automatic sprinkler system shall be provided for fire
areas containing Group A-2 occupancies and intervening floors of the
building where one of the following conditions exists:
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1.
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The fire area exceeds five thousand (5,000) square feet.
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2.
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The fire area has an occupant load of three hundred (300) or
more.
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3.
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The fire area is located on a floor other than a level of exit
discharge serving such occupancies.
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24.
1104.5. Insert the following new exception:
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3.
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Accessible routes are allowed to pass through a kitchen or storage
room in food services facilities that have no interior or exterior
customer seating, and are required by their design occupant load to
have only one (1) toilet room.
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25.
1704.2. Insert the following new exception:
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5.
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The registered design professional may request that the Code
Official waive the requirement for certain special inspections when
it is determined that such inspections are inappropriate for the structure
being constructed. The waiver must be included in the special inspection
agreement document and will qualify as an interpretation of this Code
under Sections 104 and 112.
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26.
1807.2.1. Delete and insert in lieu thereof the following: Retaining
walls requiring permits shall be designed by an engineer to ensure
stability against overturning, sliding, excessive foundation pressure
and water uplift. Retaining walls shall be designed for a safety factor
of 1.5 against lateral sliding and overturning.
Exception: Poured concrete and wood crafted retaining walls
not exceeding six (6) feet in height shall not require engineering
but shall meet all other design requirements. Premanufactured block
retaining systems of a modular nature shall follow manufacturer's
specifications. Modular retaining wall systems over six (6) feet in
height shall require engineered design supervision. Retaining walls
of wood construction shall be preservative treated in accordance with
Chapter 23 of this Code.
27.
1901.7. Insert the following new section: Cold weather requirements.
Concrete to be placed during freezing or near-freezing weather shall
comply with the following:
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1.
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Adequate equipment shall be provided for heating concrete materials
and protecting concrete during freezing or near-freezing weather;
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2.
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Concrete materials and reinforcement, forms, fillers and ground
with which concrete is to come in contact shall be free from frost;
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3.
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Frozen materials or materials containing ice shall not be used;
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4.
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Placement of concrete shall not occur when temperatures fall
below 28°.
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28.
2902.1. Delete and insert in lieu thereof the following: Minimum
number of fixtures. Plumbing fixtures shall be provided in the minimum
number as shown in Table 2902.1 based on the actual use of the building
or space. Uses not shown in Table 2902.1 shall be considered individually
by the Code Official. The number of occupants shall be determined
by this code. Temporary permits as permitted by Section 108 of this
code shall comply with ANSI ZA.3, for Non-Sewered Waste-Disposal Systems.
