[Ord. No. 1590 §1, 7-9-2008; Ord. No. 1683 §8, 3-9-2011; Ord. No. 1783 §1, 9-23-2014; Ord. No. 1947, 1-25-2022]
A certain document, one (1) copy of which is on file in the office of the City Clerk of the City of Platte City, being marked and designated as the International Residential Code, 2018 Edition, including Appendix Chapters, A, B, C, E, F, H, J, N and T as published by the International Code Council, be and is hereby adopted as the Residential Code of the City of Platte City, in the State of Missouri, for regulating and governing the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition of detached one- and two-family dwellings and townhouses not more than three (3) stories above grade plane in height with a separate means of egress and their accessory structures as herein provided; providing for the issuance of permits and collection of fees therefore; and each and all of the regulations, provisions, penalties, conditions and terms of such Residential Code on file in the office of the City of Platte City is hereby referred to, adopted and made a part hereof as if fully set out in this Article, with the additions, insertions, deletions and changes, if any, prescribed in Section 500.170 of this Article.
[Ord. No. 1590 §1, 7-9-2008; Ord.
No. 1783 §1, 9-23-2014; Ord. No. 1947, 1-25-2022]
A.
The following Sections of the International Residential Code adopted
in this Article are hereby revised:
1.
R101.1 Title. Insert:
These provisions shall be known as the Residential Code for
One- and Two-family Dwellings of the [City of Platte City] and shall
be cited as such and will be referred to herein as "this code."
2.
R105.2 Work exempt from permit. Amend:
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 this jurisdiction. Permits shall not be required for the following:
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Building:
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1.
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Retaining walls that are not over four (4) feet in height measured
from the bottom of the footing to the top of the wall, unless supporting
a surcharge.
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2.
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Sidewalks and driveways not more than thirty (30) inches above
adjacent grade, and not over any basement or story below and are not
part of an accessible route and are not located within the City or
State rights-of-way.
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3.
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Painting, papering, tiling, carpeting, cabinets, counter tops
and similar finish work.
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4.
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Prefabricated swimming pools that are less than thirty-six (36)
inches deep.
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5.
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Swings and other playground equipment.
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6.
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Window awnings supported by an exterior wall which do not project
more than fifty-four (54) inches from the exterior wall and do not
require additional support.
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7.
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Reroofing of a residential building or structure which does
not cause structural alterations. However, this shall not exempt any
person from obtaining a building permit when there shall be structural
alterations to a roof.
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Electrical:
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1.
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Listed cord-and-plug connected temporary decorative lighting.
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2.
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Reinstallation of attachment plug receptacles but not the outlets
therefor.
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3.
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Replacement of branch circuit overcurrent devices of the required
capacity in the same location.
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4.
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Electrical wiring, devices, appliances, apparatus or equipment
operating at less than twenty-five (25) volts and not capable of supplying
more than fifty (50) watts of energy.
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5.
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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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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 10 pounds (4.54
kg) or less of refrigerant or that are actuated by motors of 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; provided, however, that if any concealed trap, drainpipe, water,
soil, waste or vent pipe becomes defective and it becomes necessary
to remove and replace the same with new material, such work shall
be considered as new work and a permit shall be obtained and inspection
made as provided in this code.
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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 water closets,
provided such repairs do not involve or require the replacement or
rearrangement of valves, pipes or fixtures.
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3.
R108.2 Schedule of permit fees. Amend:
On buildings, structures, electrical, gas, mechanical and plumbing systems or alterations requiring a permit, a fee for each permit shall be paid as required, in accordance with the [permit fee schedule] as established by the governing authority in Section 500.510 of the Platte City Municipal Code.
4.
R108.6 Work commencing before permit issuance. Amend:
Any person who commences any work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to a fee [double] the required permit fee as established in Section 500.510 of the Platte City Municipal Code.
5.
TABLE R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
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GROUND SNOW LOAD
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WIND DESIGN
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SEISMIC DESIGN CATE- GORYf
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SUBJECT TO DAMAGE FROM
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WINTER DESIGN TEMPe
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ICE BARRIER UNDER-LAY-MENT RE-QUIREDh
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FLOOD HAZ-ARDSe
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AIR FREEZ-ING INDEXi
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MEAN ANNUAL TEMPj
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Speedd
(mph)
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Topo- graph- ical effectsk
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Weather-inga
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Frost line depthb
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Termitee
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20
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115
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NO
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A
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SEVERE
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36"
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MOD to HEAVY
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6°
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YES
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5/15/1978
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92.7
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55
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Special wind regionl
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Wind - borne debris zonem
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NO
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NO
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For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour
= 0.447 m/s.
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a. Where weathering requires a higher strength concrete or grade
of masonry than necessary to satisfy the structural requirements of
this code, the frost line depth strength required for weathering shall
govern. The weathering column shall be filled in with the weathering
index, "negligible," "moderate" or severe" for concrete as determined
from Figure R301.2(4). The grade of masonry units shall be determined
from ASTM C34, C55, C62, C73, C90, C129, C 45, C216, or C652.
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b. Where the frost line depth requires deeper footings than
indicated in Figure R403.1(1). The frost line depth strength required
for weathering shall govern. The jurisdiction shall fill in the frost
line depth column with the minimum depth of footing below finish grade.
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c. The jurisdiction shall fill in this part of the table to
indicate the need for protection depending on whether there has been
a history of local subterranean termite damage.
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d. The jurisdiction shall fill in this part of the table with
the wind speed from the basic wind speed map [Figure R301.2(5)A].
Wind exposure category shall be determined on a site-specific basis
in accordance with Section R301.2.1.4.
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e. The outdoor design dry-bulb temperature shall be selected
form the columns of 97-1/2 percent values for winter from Appendix
D of the lnternational Plumbing Code. Deviations from the Appendix
D temperatures shall be permitted to reflect local climates or local
weather experience as determined by the Building Official. [Also see
Figure R301.2(1).]
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f. The jurisdiction shall fill in this part of the table with
the seismic design category determined from Section R301.2.2.1.
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g. The jurisdiction shall fill in this part of the table with:
(a) the date of the jurisdiction's entry into the National Flood Insurance
Program (date of adoption of the first code ordinance for management
of flood hazard areas), (b) the date(s) of the Flood Insurance Study,
and (c) the panel numbers and dates of all currently effective FIRMs
and FBFMs or other flood hazard map adopted by the authority having
jurisdiction, as amended.
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h. In accordance with Sections R905.1.2, R905.4.3.1, R905.5.3.1,
R905.6.3.1, R905.7.3.1, and R905.8.3.1, where there has been a history
of local damage from the effects of ice damming, the jurisdiction
shall fill in this part of the table with "YES." Otherwise, the jurisdiction
shall fill in this part of the table with "NO."
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i. The jurisdiction shall fill in this part of the table with
the 100-year return period air freezing index (BF-days) from Figure
R403.3(2) or from the 100-year (99 percent) value on the National
Climatic Data Center data table "Air Freezing Index-USA Method (Base
32° F.)."
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j. The jurisdiction shall fill in this part of the table with
the mean annual temperature from the National Climatic Data Center
data table "Air Freezing Index-USA Method (Base 32°F.)".
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k. In accordance with Section R301.2.1.5, where there is local
historical data documenting structural damage to buildings due to
topographic wind speed-up effects, the jurisdiction shall fill in
this part of the table with "YES." Otherwise, the jurisdiction shall
indicate "NO" in this part of the table.
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l. In accordance with Figure R301.2(5)A, where there is local
historical data documenting unusual wind conditions, the jurisdiction
shall fill in this part of the table with "YES" and identify any specific
requirements. Otherwise, the jurisdiction shall indicate "NO" in this
part of the table.
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m. In accordance with Section R301.2.1.2 the jurisdiction shall
indicate the wind-borne debris wind zone(s). Otherwise, the jurisdiction
shall indicate "NO" in this part of the table.
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n. The jurisdiction shall fill in these sections of the table
to establish the design criteria using Table 1a or 1b from ACCA Manual
J or establish criteria determined by the jurisdiction.
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o. The jurisdiction shall fill in this section of the table
using the Ground Snow Loads in Figure R301.2(6).
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6.
R302.2 Townhouses. Amend to read as follows:
Each townhouse shall be considered a separate building and shall
be separated by fire-resistance rated wall assemblies meeting the
requirements of Section R302.1 for exterior walls.
Exception: A common 2-hour fire resistance rated
wall assembly tested in accordance with ASTM E119 or UL 263 is permitted
for townhouses if such walls do not contain plumbing or mechanical
equipment, ducts or vents in the cavity of the common wall. The wall
shall be rated for fire exposure from both sides and shall extend
to and be tight against exterior walls and the underside of the roof
sheathing. Electrical installations shall be installed in accordance
with Chapters 34 through 43. Penetrations of electrical outlet boxes
shall be in accordance with Section R302.4.
7.
R302.2.6 Structural independence. Amended to read
as follows:
Each individual townhouse shall be structurally independent.
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Exceptions:
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1.
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Foundations supporting exterior walls or common walls.
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2.
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Structural roof and wall sheathing from each unit may fasten
to the common wall framing.
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3.
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Non-structural wall and roof coverings.
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4.
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Flashing at termination of roof covering over common wall.
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5
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Townhouses separated by a common two-hour fire-resistance-rated
wall as provided in Section R302.2.
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8.
R302.6 Dwelling/garage fire separation. Amend to
read as follows:
The garage shall be separated as required by not less than 5/8"
Type-X gypsum board or equivalent applied to the garage side in accordance
with Table R302.6. Openings in garage walls shall comply with Section
R302.5 this provision does not apply to garage walls that are perpendicular
to the adjacent dwelling unit wall. Garages located less than three
(3) feet from a dwelling unit on the same lot shall be protected with
not less than 5/8" Type-X gypsum board applied to the interior side
of exterior walls that are within this area. Openings in these walls
shall be regulated by Section R302.5.2. This provision does not apply
to garage walls that are perpendicular to the adjacent dwelling unit
wall.
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Table R302.6 Dwelling/Garage Separation
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Separation
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Material
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From the residence and attics
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Not less than 5/8-inch Type X gypsum board or equivalent applied
to the garage side
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From all habitable rooms above the garage
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Not less than 5/8-inch Type X gypsum board or equivalent
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Structure(s) supporting floor/ceiling assemblies used for separation
required by this section
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Not less than 5/8-inch Type X gypsum board or equivalent
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Garages located less than three (3) feet from a dwelling unit
on the same lot
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Not less than 5/8-inch Type X gypsum board or equivalent applied
to the interior side of exterior walls that are within this area
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9.
R303.4 Mechanical ventilation. Amend:
Where the air infiltration rate of a dwelling unit is [3] air
changes per hour or less where tested with a blower door at a pressure
of 0.2-inch w.c (50 Pascals) in accordance with Section N1102.4.1.2,
the dwelling unit shall be provided with whole-house mechanical ventilation
in accordance with Section M1505.4. Testing shall be performed by
an approved third party.
10.
R312.2.1 Window sills. Deleted in its entirety
and replaced with the following language:
Window fall protection: In dwelling units, where the opening
of an operable window is located on the second story above grade,
the lowest part of the clear opening of the window shall be a minimum
of twenty-four (24) inches above the finished floor of the room in
which the window is located. Glazing between the floor and twenty-four
(24) inches shall be fixed or have openings through which a 4-inch
diameter sphere cannot pass.
11.
R507.9.2(1) and R507.9.2(2). Amend and add the
following:
Optional deck attachment installation, 1/2-inch diameter corrosion
type lag screws with washers or 1/2-inch diameter corrosion type bolts
including nuts and washers, staggered at 12-inches on center to attach
the band or ledger joist to the structure shall be permitted. The
ends of the band or ledger joist attached to the structure shall have
two (2) of the herein described type lags or bolts installed. Alternative
engineered structural deck ledger fastener screws meeting the manufacturer's
installation instructions to attach band or ledger joist shall be
permitted.
12.
R801.3 Roof drainage. Amend:
All dwellings shall have a controlled method of water disposal
from roofs that will collect and discharge all roof drainage to the
ground surface not less than [3] feet from foundation walls or to
an approved drainage system. Downspout extensions or downspout splash
blocks can be used in lieu of an approved drainage system.
13.
TABLE N1102.1.2 (R402.1.2) Insulation & Fenestration
requirements by components. Amend Table — Climate Zone
4:
Ceiling R-Value amended to: [R-38]
Wood Frame Wall R-Value amended to: [R-13]
14.
TABLE N1102.1.4 (R402.1.4) Equivalent U-Factors. Amend Table — Climate Zone 4:
Ceiling U-Factor amended to: [0.030]
Framed Wall amended to: [0.082]
15.
TABLE N1106.4 (R406.4) Maximum Energy Rating Index. Amend Table:
The Energy Rating Index set forth for Climate Zone 4 shall be
changed to [80].
16.
M1301.1.2 One building or other structure not to be supplied
through another. Addition:
Heating, cooling and ventilation equipment supplying a building
or other structure shall not pass through the interior of another
building or structure.
17.
G2412.1.2 One building or other structure not to be supplied
through another. Addition:
Utility service piping, piping, piping systems, ductwork and
vents supplying a building or other structure shall not pass through
the interior of another building or structure.
19.
P2503.8.1 Inspections. Deleted.
20.
P2503.8.2 Testing. Deleted.
21.
P2601.4 One building or other structure not to be supplied
through another. Addition:
Water supply system, water service pipe, building sewer, sanitary
sewer and vent stack supplying a building or other structure shall
not pass through the interior of another building or structure.
22.
P2603.5.1 Sewer depth. Insert:
Building sewers shall not be less than [36 inches] below grade.
23.
P2719.1.2 Garage Floor Drains. Addition:
Residential garage floor drains are not permitted to be connected
to the residential drain system unless provided with an approved oil/grease
separator.
24.
P2906.4 Water service pipe. Amend:
Water service pipe shall be a minimum 3/4-inch [Type K copper]
or minimum 3/4-inch cross-linked polyethylene [PEX] plastic tubing
from the water meter to the structures shut-off and conform to NSF
61 and shall conform to one (1) of the standards listed in Table P2906.4.
Water service pipe or tubing, installed underground and outside of
the structure, shall have a working pressure rating of not less than
160 psi at 73.4° F. (23° C.). Where the water pressure exceeds
160 psi, piping material shall have a working pressure rating not
less than the highest available pressure.
25.
P3008.1 Backwater valves for (sewer backflow) where required. Amend:
Permit applicants for new home construction or for replacement
or repair of sanitary sewer lateral shall be allowed the option of
installing a sewage backflow valve. This option shall be provided
regardless of the relative elevation between the plumbing fixtures
and any part of the public sanitary sewage system. However, applicants
electing not to install a sanitary sewage backflow valve shall certify
on the permit application the decision not to install such a valve.
A backflow valve shall be required for all applicants who refuse or
fail to certify on the permit application the decision not to install
a sewage backflow valve. Any backflow valve that is installed shall
comply with the regulations set forth in the remainder of Section
P3008 of this code.
26.
E3401.5 One building or other structure not to be supplied
through another. Addition:
Wiring, conduit and grounding supplying a building or other
structure shall not pass through the interior of another building
or structure.
27.
E3901.9 Basements, garages and accessory buildings. Amend:
Not less than one (1) receptacle outlet, in addition to any
provided for specific equipment, shall be installed in each separate
unfinished portion of a basement, in detached garages and in accessory
buildings that are provided with electric power.
28.
E3902.2 Garage and accessory building receptacles. Amend with exceptions:
125-volt, single-phase, 15- or 20-ampere receptacles installed
in garages and grade-level portions of unfinished accessory buildings
used for storage or work areas shall have ground-fault circuit-interrupter
(GFCI) protection for personnel. [210.8(A)(2)]
Exceptions: Receptacles for the sole use only by
the garage door openers, refrigerators and/or freezers.
29.
E3902.5 Unfinished basement receptacles. Amend
with exceptions:
125-volt, single-phase, 15- and 20-ampere receptacles installed
in unfinished basements shall have ground-fault circuit-interrupter
(GFCI) protection for personnel. For purposes of this section, unfinished
basements are defined as portions or areas of the basements not intended
as habitable rooms and limited to storage areas, work areas, and similar
areas. [210.8(A), (5)]
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Exceptions:
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1.
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A receptacle for the sole use only by a refrigerator and/or
a freezer.
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2.
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A receptacle for the sole use of a sump pump and/or a sewer
grinder pump.
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3.
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A receptacle supplying a permanently installed fire alarm or
burglar alarm system.
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30.
E3902.9 Laundry areas. Amend with exception.
125-volt, single-phase, 15- and 20-ampere receptacles installed
in laundry areas shall have ground-fault circuit-interrupter (GFCI)
protection for personnel. [210.8(A)(9)]
Exception: A single plug receptacle for the use
only by a washer and/or dryer.
31.
Deleted code Sections: The following Sections of
the 2018 International Residential Code have been omitted and not
hereby incorporated:
R313 Automatic Fire Sprinkler Systems.
R302.13 Fire Protection of Floors.
N1101.12 (R303.3) Maintenance information.
N1101.14 (R401.3) Certificate (Mandatory).
N1102.2.9 (R402.2.9) Basement walls.
N1102.4.1.2 (R402.4.1.2) Testing.
N1102.4.4 (R402.4.4) Rooms containing fuel-burning appliances.
N1103.3.3 (R403.3.3) Duct testing (Mandatory).
N1103.3.4 (R403.3.4) Duct leakage (Prescriptive).
N1103.5.1.1 (R403.5.1.1) Circulation systems.
N1103.10.3 (R403.10.3) Covers.
N1111.1 (R505.1) General.
N1111.2 (R505.2) General.
P2503.4 Building sewer testing.
P2503.5 DWV system testing.
P2503.5.1 Rough plumbing.
P2503.5.2 Finished plumbing.
P2503.6 Shower liner test.
E3902.10 Kitchen dishwasher branch circuit.
E3902.16 Arc-fault circuit-interrupter protection.
E3902.17 AFCI protection for branch circuit extensions and modifications.
E4002.14 Tamper-resistant receptacles.
[Ord. No. 1590 §1, 7-9-2008; Ord.
No. 1783 §1, 9-23-2014; Ord. No. 1947, 1-25-2022]
Nothing in this Article or in the International Residential Code hereby adopted shall be construed to affect any suit or proceeding impending in any court, or any rights acquired, or liability incurred, or any cause or causes of action acquired or existing, under any act or ordinance hereby repealed as cited in Section 500.190 of this Article; nor shall any just or legal right or remedy of any character be lost, impaired or affected by this Article.
[Ord. No. 1590 §1, 7-9-2008; Ord.
No. 1783 §1, 9-23-2014; Ord. No. 1947, 1-25-2022]
All other ordinances or parts of ordinances in conflict herewith
are hereby repealed.
[Ord. No. 1590 §1, 7-9-2008; Ord.
No. 1783 §1, 9-23-2014; Ord. No. 1947, 1-25-2022]
Any person who shall violate a provision of the code adopted
in this Article or shall fail to comply with any of the requirements
thereof or who shall erect, construct, alter or repair a building
or structure in violation of an approved plan of or directive of the
Code Official, or of a permit or certificate issued under the provision
of this code, shall be guilty of a misdemeanor, punishable by a fine
as follows: for municipal ordinance violations committed within a
twelve-month period beginning with the first violation: two hundred
dollars ($200.00) for the first municipal ordinance violation, two
hundred seventy-five dollars ($275.00) for the second municipal ordinance
violation, three hundred fifty dollars ($350.00) for the third municipal
ordinance violation, and four hundred fifty dollars ($450.00) for
the fourth and any subsequent municipal ordinance violations; Each
day that a violation continues after due notice has been served shall
be deemed a separate offense.
