[Ord. No. 580 §1, 6-18-2007; Ord. No. 690 §1, 5-7-2012; Ord. No. 996, 7-3-2023]
A. The Board of Aldermen hereby adopts the 2018 International Residential Code, as published by the International Code Council, and all referenced standards therein as if spelled out in this Article, except such portions thereof as are hereinafter deleted, modified, or amended. This code shall be designated as Section
500.160, Residential Code of Title V, Building and Construction, known as part of the Strafford Municipal Code. One (1) copy of said code is on file in the office of the City Clerk, City Hall 126 South Washington Avenue, Strafford, Missouri.
B. The
2018 International Residential Code, as adopted, is hereby amended,
and changed as follows:
1. R101.1 Title. Insert: City of Strafford, Missouri.
2. Section R105.2 Work Exempt From Permit. Delete the following
language: {One story detached accessory structures, provided that
the floor area does not exceed two hundred (200) square feet.} {Fences
not over seven (7) feet high.}
3. R106.1 Submittal Documents. Amend as follows:
The following documents will be required for a new dwelling
covered by this code.
1. Site plan drawn to scale showing the building footprint, driveways
and all accessory buildings, boundary dimensions, setback dimensions,
easements. and utility locations.
The site plan shall also include the legal description and site
address.
2. Dimensioned floor plan drawn to scale with door swings, cabinets.
and plumbing fixtures.
3. Front and side elevation drawn to scale.
4. Foundation plan drawn to scale with the following.
a. Reinforcement of the footing, stemwall, pads and piers.
d. Floor joist and girder size.
5. Dashed in location of all first-floor walls and island locations
to verify load bearing wall and island locations and any necessary
additional structural framing to carry the loads.
4. R108.2 Schedule Of Permit Fees. Insert: Strafford Municipal Code Section
500.480.
5. Table R301.2(1) Climatic and geographic design criteria as follows:
Ground snow
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20 PSF
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Wind speed
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115
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Topographic effects
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No
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Special wind region
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No
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Windborne region
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No
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Seismic design category
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B
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Weather
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Severe
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Frost depth
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24 inches
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Termite
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Moderate to heavy
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Winter design temp
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9 degrees F.
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Ice barrier underlayment requirement
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Yes
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Flood Hazards
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Maps as adopted by City of Strafford, Missouri; May 7, 2012
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Air freeze index
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659
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6. R302.5.2 Duct Penetration. Ducts in the garage and ducts
penetrating the wall or ceilings separating the dwelling from the
garage shall be constructed of a minimum No. 26 gage (0.48 mm) sheet
steel or other approved material and shall not have openings into
the garage or a room identified as a "John Deere" room.
7. R303.4 Mechanical Ventilation. Repeal this section in
its entirety.
8. R313 Automatic Fire Sprinkler Systems. Deleting Section
R313 Automatic Fire Sprinkler Systems in its entirety and inserting
in lieu thereof the following language: A builder of five (5) or more
connected units shall comply with the design and installation requirements
of the 2018 International Residential Code Section P2904. The builder
of four (4) or less connected units shall comply with fire suppressant
separation as provided in Section R317 of the 2006 International Residential
Code or Section P2904 of the 2018 International Residential Code at
the builder or purchaser's cost and option.
9. R319.2 Address During Construction. The assigned address
shall be posted on site as soon as work commences. It must be clearly
legible and visible from the street and must clearly indicate the
designated lot and must remain in place until the permanent address
numbers are placed on the structure.
10. R401.3 Drainage. Amend as follows: Grades shall slope
away from the foundation a minimum of one (1) inch vertical to one
(1) foot horizontal to a point five (5) feet outside the foundation.
Grading of the lot or property shall be done in a manner so as not
to cause ponding of water, sedimentation or erosion on site or adjoining
property or created flooding on the adjoining property which otherwise
would not have occurred.
11. R401.3.1 Foundation Elevation. The foundation stemwall
elevation shall be a minimum of eighteen (18) inches above the street
curb top of elevation.
12. R403.1 General. Amend as follows: The following design
criteria shall be used for all residential construction. Alternate
designs shall be subject to the approval of the authority having jurisdiction.
1. 2 - #4 continuous reinforcing bars. spaced not less than six (6)
inches, centered on the footing, shall be installed in monolithic
slab-on-ground with turned-down footings, thickened slab-on-ground
footings at bearing walls or braced wall lines, spread footings, and
footings with concrete stem and footing combined. If the footing width
exceeds twenty-four (24) inches a third #4 bar shall be placed, and
all three (3) bars equally spaced across the width of the footing
with concrete cover requirements satisfied.
2. #4 horizontal reinforcing bars shall be placed not more than six
(6) inches from the top and the bottom of the stem wall and not more
than eighteen (18) inches on center between the top and bottom reinforcing
bars. Horizontal reinforcing bars shall be supported at not less than
forty-eight (48) inches on center, tied to vertical dowels or reinforcing
bars or supported by form ties.
3. Stem walls shall be tied to footings with #4 vertical steel reinforcing
dowels spaced not more than forty-eight (48) inches on center, extending
not less than eighteen (18) inches into the stem wall; straight dowels
shall be embedded not less than five (5) inches into the footing,
dowels with standard hooks shall be embedded not less than three (3)
inches into the footing.
13. R403.1.3.6 Isolated Concrete Footings. Amend as follows:
In detached one- and two-family dwellings that are three (3) stories
or less in height and constructed with stud bearing walls, isolated
plain concrete footings supporting columns or pedestals are permitted.
Concrete columns or pedestals shall be tied to isolated concrete footings
by not less than one (1) #4 vertical steel reinforcing dowel, extending
not less than eighteen (18) inches into the column or pedestal; straight
dowels shall be embedded not less than five (5) inches into the footing,
dowels with standard hooks shall be embedded not less than three (3)
inches into the footing. Columns or pedestals shall be a minimum of
eight (8) inches in diameter or four (4) inches greater in width then
the floor girder.
Masonry block columns shall be a minimum of twelve (12) inches
by twelve (12) inches with like reinforcement.
14. R502.6.3 Shims. The use of hardwood shims in floor construction
shall not be permitted. All shims shall be steel and a of minimum
of eight (8) inches by eight (8) inches in size.
15. R802.11.1.1 Truss Uplift Resistance. Repeal the language
in its entirety and provide new language as follows: All truss/top
plate connections shall be mechanically connected with an approved
hurricane strap or connector.
16. 802.11.1.2 Rafter Uplift Resistance. Repeal the language
in its entirety and provide new language as follows: All rafter/top
plate connections shall be mechanically connected with an approved
hurricane strap or connector.
17. Chapter 11 Energy Efficiency. Repeal the language and
all related references to this Chapter in the code and provide new
language as follows:
Section N1101 Certificate. A permanent certificate
shall be posted completed by the building or registered design professional.
The certificate shall list the predominant R-values of insulation
installed in or on the ceiling/roof, walls, foundation (slab, basement
wall, crawlspace wall and/or floor), and ducts outside conditioned
spaces; U-factors for fenestration; and solar heat gain coefficient
(SHGC) of fenestration. Where there is more than one (1) value for
each component, the certificate shall list the value covering the
largest area. The certificate shall list the type and efficiency of
heating, cooling and service water heating equipment.
Section N1102 Ducts. Supply and return air ducts
in attics shall be insulated to a minimum of R-8, and in other areas
a minimum of R-6.
Section N1103 Minimum Insulation And Fenestration Requirements
By Component. Unfinished areas and areas without hearing or
cooling shall be exempt from the requirements.
Fenestration U-Factor = 0.35 (skylights are excluded)
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Skylight U-Factor = 0.55
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Glazed Fenestration SHGC = 0.40 (applies to all glazing)
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Ceiling R-Value = R-38
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Wood Frame wall R-value = R-13
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Floors = N/A
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Floor cantilevers = R-19
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Basement wall when finished = R-13
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Slab = N/A
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Crawl Space = R-10
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18. M1411.3 Condensate Disposal. Amend as follows: Condensate
shall not discharge into a building drain or sewer line, street, alley,
or other area where it would cause a nuisance.
19. M1501.1 Outdoor Discharge. Exception 2. Mechanical exhaust
from bathroom exhaust fans may be permitted to exhaust through the
soffit provided that the duct shall terminate at the soffit pane with
an approved mechanical louver or vent and the adjoining soffit space,
for a distance of four (4) feet on either side of the penetration,
shall be solid non-vented material.
20. G2412.1 Scope. Amend as follows: This Section shall
govern the design, installation, modification, and maintenance of
piping systems. The applicability of this code to piping extends from
the point of delivery to the connections with the appliances and includes
the design, materials, components, fabrication, assembly, installation,
testing, inspection, operation, and maintenance of such piping system.
The utility company gas meter location shall be in accordance with
the requirements of the utility company.
21. G2414.5.3 Copper Or Copper-Alloy Tubing. Repeal this
Section in its entirety.
22. G2417.4.1 Test Pressure. Delete in its entirety and
provide new language as follows: The test pressure of the piping system
for 2-pound gas pressure shall be twenty (20) psi.
23. G2417.4.2 Test Duration. Amend as follows: The test
duration shall be not less than fifteen (15) minutes.
24. P2603.5.1 Sewer Depth: Insert: (24), (24).
25. P2603.6 Pipe Tracing. All water service piping and building
sewer piping shall be installed with a tracer wire attached to the
pipe from the point of connection to the water meter or sewer lateral
to the point of entrance of the building.
26. P2905 Heated Water Distribution Systems. Delete this
Section in its entirety.
27. P3303.1.5 Sump Pump Requirement Discharge. Add the new
Section as follows: A crawl space sump pump shall be installed unless
an exception is granted by the Code Official. The sump pump shall
not discharge into a building drain or sewer line.
28. E3902.2 Garage And Accessory Building Receptacles. 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 protection
for personnel. [210.8(A)(2)]
Exception: A single receptacle installed solely for electrical
supply of a garage door opener.
29. E3902.16 Arc-Fault Circuit-Interrupter Protection. Amended
to read as follows: Branch circuits that supply 120-volt, single-phase,
15- and 20-ampere outlets installed in bedrooms shall be protected
by any of the following: [210.12(A)]
30. E4002.14 Tamper-Resistant Receptacles. Amended to read
as follows: In bedrooms, 15- and 20-ampere, 125- and 250-volt non-locking-type
receptacles shall be listed tamper-resistant receptacles. [406.12(A)]
31. Sec. 36-1303. Adoption Of Appendices. Only the following
appendices, listed among others in the 2018 International Residential
Code, are adopted.
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Appendix B. Sizing of Venting Systems Serving Appliances
Equipped with Draft Hoods, Category-I Appliances, and Appliances Listed
for use with Type B Vents
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Appendix C. Exit Terminals of Mechanical Draft
and Direct-Vent Venting Systems
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Appendix D. Recommended Procedure for Safety Inspection
of an Existing Appliance Installation
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Appendix E. Manufactured Housing used as Dwellings.
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Appendix G. Piping Standards for Various Applications
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Appendix I. Private Sewage Disposal
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Appendix J. Existing Building and Structures
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Appendix P. Sizing of Water Piping System
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[Ord. No. 580 §5, 6-18-2007; Ord. No. 690 §5, 5-7-2012]
Nothing in this Article or in the 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. 580 §3, 6-18-2007; Ord. No. 690 §3, 5-7-2012]
All City of Strafford ordinances or parts of ordinances in conflict
are herewith and hereby repealed.
Any person who shall violate a provision of this code 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 of not more than five hundred
dollars ($500.00) or by imprisonment not exceeding ninety (90) days,
or both such fine and imprisonment. Each day that a violation continues
after due notice has been served shall be deemed a separate offense.