City of Wentzville, MO
St. Charles County
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Table of Contents
Table of Contents
[R.O. 2006 §500.010; Ord. No. 1797 Art. I(§500.030), 9-12-2001; Ord. No. 2655 §1, 12-27-2006; Ord. No. 2011-3139 §1, 3-23-2011; Ord. No. 3694 § 1, 1-26-2017]
A certain document, one (1) copy of which was on file in the office of the City Clerk of the City of Wentzville, Missouri, for at least ninety (90) days before adoption of this Section, and shall remain on file in the office of the City Clerk of the City of Wentzville, Missouri, after adoption of this Section being marked and designated as the 2015 International Building Code, including Appendices C, E, F, G, H, I, J, K and M, as published by the International Code Council, Inc., is adopted by reference as the City and made a part of this Section as if fully set forth herein.
[R.O. 2006 §500.012; Ord. No. 1797 Art. I(§500.040), 9-12-2001; Ord. No. 3694 § 1, 1-26-2017]
Throughout the Building Code adopted in Section 500.010 wherever the term "Name of Jurisdiction" or "Local Jurisdiction" appears, it shall be deemed to mean the City of Wentzville, Missouri.
[R.O. 2006 §500.015; Ord. No. 1797 Art. I(§500.050), 9-12-2001; Ord. No. 3694 § 1, 1-26-2017]
Throughout the Building Code adopted in Section 500.010, whenever the term "Code Official" or "Plumbing Code Official" appears, it shall be deemed to mean the Building Official.
[R.O. 2006 §500.020; Ord. No. 1797 Art. I(§500.070), 9-12-2001; Ord. No. 2655 §1, 12-27-2006; Ord. No. 2743 §1, 6-27-2007; Ord. No. 2011-3139 §1, 3-23-2011; Ord. No. 3326 §1, 9-11-2013; Ord. No. 3694 § 1, 1-26-2017]
The 2015 International Building Code, First Printing, (May 2014) is amended by the following provisions. Each Section, Subsection or Clause of the Code that numerically corresponds to one (1) of the following numbered provisions is hereby deleted where so noted, or amended to read as set forth below. Each provision set out below without a corresponding Section, Subsection or Clause number in the Code is hereby enacted and added thereto.
101.1 Title: Insert in the space provided: "the City of Wentzville, Missouri." Wherever the term "Name of Jurisdiction" or "Local Jurisdiction" appears, it shall be deemed to mean the City of Wentzville, Missouri.
101.2.1 Appendices: Delete text and add the following: Appendix Sections C, E, F, G, H, I, J and K shall hereby be adopted as referenced in this Section.
105.1.1 Annual Permit: Delete in entirety 105.1.2 Annual Permit Records: Delete in entirety Section 105.2, Work exempt from permit, shall have the following sections amended.
1. All fences require permits.
2. Retaining walls three (3) feet and higher require permits.
113 Board Of Appeals. Delete in entirety and amend by adding the following:
B113.1 General Appeals. There shall be and is hereby created a Board of Appeals to hear and decide appeals of orders, decisions or determinations made by the Building Official relative to the application and interpretation of all building codes adopted pursuant to Title V of the Wentzville Municipal Code. Any person directly impacted by an action or decision of the City such that the person would have standing in a court of law to challenge the action may petition to the Board of Appeals for a review of any final decision of any City Officer under the Building Code. To the fullest extent permitted by law, the review procedures herein shall be exhausted before any action may be filed in any court against the City or its officers. Any such application for appeal shall only be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply or an equally good or better form of construction is proposed; the Board shall have no authority to waive requirements of this Code. Prior to the City's acceptance of an appeal to the Board of Appeals, all such questions of intent shall be verified through the International Code Council. Such reports shall be made public and forwarded to all parties for consideration of the appeal. An application for appeal shall be filed on a form obtained from the Building Official within twenty (20) days after the date of the decision appealed from.
B113.2 Membership Of Board. The Board of Appeals shall consist of five (5) members appointed by the Mayor and approved by the Board of Aldermen as follows:
A. Current members of the Board of Appeals shall continue to serve until their current term of office expires.
B. Thereafter, each new or reappointed member shall serve for three (3) years or until a successor has been appointed.
B113.2.1 Alternate Members. The Mayor, upon approval by the Board of Aldermen, shall appoint two (2) alternate members who shall be called by the Board of Appeals Chairperson to hear appeals during the absence or disqualification of a member. Alternate members shall possess the qualifications required for Board membership and shall be appointed for five (5) years, or until a successor has been appointed.
B113.2.2 Qualifications. The Board of Appeals shall consist of members who are qualified by experience and training to pass on matters pertaining to building construction and are not employees of the jurisdiction. Members of the Board of Appeals do not have to be residents of the City but shall be residents of St. Charles County. To the fullest extent possible, the Board of Appeals shall be comprised of:
A. Four (4) members and one (1) alternate from one (1) of the following professions and disciplines:
1. Registered design professional who is a registered architect;
2. Registered design professional with structural engineering or architectural experience;
3. Registered design professional with mechanical or plumbing engineering experience;
4. Registered design professional with electrical engineering experience;
5. Registered design professional with fire protection engineering experience; or
6. Public works, City engineer, code enforcement, building inspection, or other regulatory experience.
B. One (1) member and one (1) alternate with experience in one (1) of the following fields:
1. A builder or superintendent of building construction;
2. Mechanical or plumbing contractor or licensed master plumber;
3. An electrical contractor or licensed electrician; or
4. Fire protection contractor.
No person may be appointed to or sit on the Board of Appeals if that person:
(1) Has a substantial interest, as defined by Section 125.030 is either a sole proprietorship or any business entity, as defined by Section 125.030 that develops real property within the City of Wentzville, or
(2) Has a substantial interest, as defined by Section 125.030 is either a sole proprietorship or any business entity, as defined by Section 125.030, in a contractor employed by any person or entity that develops real property within the City of Wentzville. For purposes of this Section "develops" shall mean constructs, reconstructs, rehabilitates, finances, sells, assembles real property for, or otherwise assists in land improvement involving real property or improvements thereon by for a profit.
B113.2.3 Rules and Procedures. The Board of Appeals is authorized to establish policies and procedures necessary to carry out its duties.
B113.2.4 Chairperson. The Board of Appeals shall annually select one (1) of its members to serve as Chairperson.
B113.2.5 Disqualification of Member. A member shall not hear an appeal in which that member has a personal, professional or financial interest.
B113.2.6 Secretary. The chief administrative officer shall designate a qualified clerk to serve as secretary to the Board. The secretary shall file a detailed record of all proceedings in the office of the chief administrative officer.
B113.2.7 Compensation of Members. Board members shall serve without compensation.
B113.3 Notice of Hearing. The Board of Appeals shall endeavor to meet, upon notice from the Chairperson, within twenty (20) days of the filing of an appeal or at stated periodic meetings.
B113.3.1 Open Hearing. All hearings before the Board of Appeals shall be open to the public. The appellant, the appellant's representative, the building official and any person whose interests are affected shall be given an opportunity to be heard.
B113.3.2 Procedure. The Board of Appeals shall adopt and make available to the public through the secretary procedures under which a hearing will be conducted. Reasonable opportunity shall be given for the preparation and presentation of evidence bearing on any issue raised or decided or relief sought or granted. Where issues are tried without objection or by consent, such issues shall be deemed to have been properly before the Board of Appeals. Any formality of procedure may be waived by mutual consent. The procedures shall not require compliance with strict rules of evidence, but shall mandate that only relevant information be received.
B113.3.3 Postponed Hearing. When five (5) members are not present to hear an appeal, either the appellant or the appellant's representative shall have the right to request a postponement of the hearing.
B113.4 Board Decision. The Board shall modify or reverse the decision of the building official by a concurring vote of four (4) of its members hearing the appeal.
B113.4.1 Copy of Decision. The decision of the Board of Building Appeals shall be in writing. Copies signed by the Chairman and secretary shall be furnished to the appellant and to the Building Official.
B113.4.2 Administration. The building official shall take immediate action in accordance with the decision of the Board.
B113.4.3 Court Review. A decision of the Board of Appeals may be reviewed by the Circuit Court pursuant to the procedures for contested cases in Chapter 536, RSMo., and shall be filed in the Circuit Court within thirty (30) days from the date of the Board's decision.
2902.2, Separate facilities, shall have the following exception amended to read as follows:
2. Separate facilities shall not be required in structures or tenant spaces with a total occupant load, including both employees and customers, of thirty-five (35) or less.
[Ord. No. 2660 §1, 12-27-2006; Ord. No. 2011-3143 §1, 3-23-2011; Ord. No. 3689 § 1, 1-26-2017]
A certain document, one (1) copy of which was on file in the office of the City Clerk of the City of Wentzville, Missouri, for at least ninety (90) days before adoption of this Section, and shall remain on file in the office of the City Clerk of the City of Wentzville, Missouri, after adoption of this Section being marked and designated as the 2015 International Residential Code for One- and Two-Family Dwellings, First Printing (May 2014) including Appendices A, B, C, E, F, G, H, J, M, N, and P, except as otherwise provided in this Chapter, as published by the International Code Council, Inc., is adopted by reference as the Residential Code for One- and Two-Family Dwellings of the City of Wentzville, Missouri, and made a part of this Section as if fully set forth herein.
[Ord. No. 2660 §1, 12-27-2006; Ord. No. 2701 §§1 — 2, 3-15-2007; Ord. No. 2738 §1, 6-27-2007; Ord. No. 2011-3143 §1, 3-23-2011; Ord. No. 2011-3182 §§1 — 2, 9-14-2011; Ord. No. 3689 § 1, 1-26-2017]
A. 
The International Residential Code is amended by the following provisions. Each Section, Subsection or Clause of the Code that numerically corresponds to one (1) of the following numbered provisions is hereby deleted where so noted, or amended to read as set forth below. Each provision set out below without a corresponding Section, Subsection or Clause number in the Code is hereby enacted and added thereto.
1. 
R101.1 Insert: City of Wentzville.
2. 
R105.2 Work exempt from permit.
1.
One-story detached accessory structures, provided that the floor area does not exceed one hundred twenty (120) square feet.
2.
All fences require permit.
3.
Retaining walls that are not over three (3) feet in height measured from finished grade to the top of the wall, unless supporting a surcharge.
11.
Flatwork, other than driveways.
3. 
R106.3.1 Approval Of Construction Documents. When the Building Official issues a permit, the construction documents shall be approved in writing or by a stamp which states "APPROVED FOR CONSTRUCTION." One (1) set of construction documents so reviewed shall be retained by the Building Official. The other set shall be returned to the applicant, may be kept at the site of work or made available at time of inspection and shall be open to inspection by the Building Official or his or her authorized representative.
4. 
R108.6 Work Commencing Before Permit Issuance. Any person who commences work requiring a permit on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to a fee established by the applicable governing authority that shall be in addition to the required permits.
Exceptions:
a. 
Earthwork less than five thousand (5,000) square feet.
b. 
Stakeouts and other necessary planning procedures.
5. 
R112 Board Of Appeals. Delete in entirety and add: Appeals under the Residential Code shall be governed by the provisions pertaining to appeals in Section 500.020 of the Municipal Code.
6. 
Chapter 2: Definitions - STORY ABOVE GRADE PLANE. Any story having its finished floor surface entirely above the grade plane, except that a basement shall be considered as a story above grade plane where the finished surface of the floor above the basement meets the following:
a. 
Is more than six (6) feet (1829 mm) above grade plane; and
b. 
Is more than six (6) feet (1829 mm) above the finished ground level for more than fifty percent (50%) of the total building perimeter; and
c. 
Is more than twelve (12) feet (3658 mm) above the finished ground level at any point.
7. 
Table R301.2(1) Climatic And Geographic Design Criteria
Ground Snow Load
Wind Design
Seismic Design Cate-goryf
Subject to Damage From
Win-ter Design Temp e
Ice Bar-ier Under-lay-ment Re-quired h
Flood Haz-ards g
Air Freez-ing Index I
Mean Ann-ual Temp j
Speed d
(mph)
Topo-graphic effects k
Special wind region l
Wind-borne debris zone m
Weath-ering a
Frost line depth b
Ter-mitee
20
115(51)
NO
NO
NO
C
SEVERE
30
Moder-ate to Heavy
6
NO
NFIP
1500
55.2
For SI: One pound per square foot = 0.0479kPa, 1 mile per hour = 0.447 m/s.
8. 
R302.2 Townhouses. 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 two-hour fire-resistance-rated wall assembly or two (2) one-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 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.
9. 
R302.13 Fire Protection Of Floors.
Add Exceptions:
3.
Portions of floor assemblies shall be permitted to be unprotected where complying with the following:
3.1
The aggregate area of the unprotected portions does not exceed one hundred (100) square feet per story.
3.2
Fire blocking in accordance with Section 302.11.1 is installed along the perimeter of the unprotected portion to separate the unprotected portion from the remainder of the floor assembly.
3.3
Areas of the floor assembly covered by HVAC metal plenum, trunk lines, and steel structural beams shall be considered protected. Gypsum wallboard membrane shall be within one (1) inch of all previously listed items.
10. 
R303.3 Bathrooms. The exception is amended to read as follows:
Exception: The glazed areas shall not be required where artificial light and a local exhaust system are provided. The minimum local exhaust rates shall be determined in accordance with Section M1507. Exhaust air from the space shall be exhausted directly to the outdoors or to an attic gable vent or ventilated soffit.
11. 
R303.4 Mechanical Ventilation. Where the air infiltration rate of a dwelling unit is three (3) air changes per hour or less where tested with a blower door at a pressure of two-tenths inch w.c. (fifty (50) Pa) in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole-house mechanical ventilation in accordance with Section M1507.3.
12. 
R303.5.2 Exhaust Openings. Exhaust air shall not be directed below six (6) feet eight (8) inches onto public walkways.
13. 
R303.8 Exterior Stairway Illumination.
Exception: Illumination is not required on residential decks that are not part of the required egress path.
14. 
R306.5 Hose Bibb. Every dwelling shall provide one (1) outside frost-proof hose bibb. The hose bibb shall be protected from backflow per Section P2902.
15. 
R306.6 Floor Drain. All basements shall have a floor drain within twenty (20) feet of the heating/cooling system(s) and water heaters. The floor drain shall comply with Chapter 27 of the International Residential Code for One- and Two-Family Dwellings.
16. 
R309.5 Fire Sprinklers. Private garages shall be protected by fire sprinklers where the garage wall has been designed based on Table 302.1(2), Footnote a, and the homeowner has opted to purchase a fire sprinkler system for his or her residence, as per Section 67.281, RSMo. Sprinklers in garages shall be connected to an automatic sprinkler system that complies with Section P2904. Garage sprinklers shall be residential sprinklers or quick-response sprinklers, designed to provide a density of five hundredths (0.05) gpm/ft2. Garage doors shall not be considered obstructions with respect to sprinkler placement.
17. 
R311.3 Floors And Landings At Exterior Doors. There shall be a landing or floor at each required egress exterior door. The width of each landing shall not be less than the door served. Every landing shall have a dimension of not less than thirty-six (36) inches (914 mm) measured in the direction of travel. The slope at exterior landings shall not to exceed one-fourth (1/4) unit vertical in twelve (12) units horizontal two percent (2%).
Exceptions:
a. 
Exterior balconies less than sixty (60) square feet (5.6 m2) and only accessible from a door are permitted to have a landing less than thirty-six (36) inches (914 mm) measured in the direction of travel.
18. 
R311.3.2, Floor Elevations For Other Exterior Doors.
Exceptions:
a. 
A top landing is not required where a stairway of three (3) or fewer risers is located on the exterior side of the door, provided that the door does not swing over the stairway.
b. 
Doors with no landing for future deck/balcony shall be protected by an approved guard if the door threshold is more than seven and three-fourth (7 3/4) inches above grade.
c. 
Exterior balconies less than sixty (60) square feet and only accessible from a door are permitted to have a landing less than thirty-six (36) inches measured in the direction of travel.
19. 
R313.1 Townhouse Automatic Fire Sprinkler Systems. An automatic residential fire sprinkler system shall be installed in townhouses, in accordance with Section 67.281 of the Missouri Revised Statutes.
20. 
R313.2 One- And Two-Family Dwellings Automatic Fire Systems. A builder of a single-family dwelling or residence or multi-unit dwellings of four (4) or fewer units shall offer to any purchaser on or before the time of entering into the purchase contract the option, at the purchaser's cost, to install or equip fire sprinklers in the dwelling, residence, or unit. Notwithstanding any other provision of law to the contrary, no purchaser of such a single-family dwelling, residence, or multi-unit dwelling shall be denied the right to choose or decline to install a fire sprinkler system in such dwelling or residence being purchased by any code, ordinance, rule, regulation, order, or resolution by any County or other political subdivision. Any County or other political subdivision shall provide in any such code, ordinance, rule, regulation, order, or resolution the mandatory option for purchasers to have the right to choose and the requirement that builders offer to purchasers the option to purchase fire sprinklers in connection with the purchase of any single-family dwelling, residence, or multi-unit dwelling of four (4) or fewer units.
21. 
Table R403.1(4) Minimum Width Of Concrete, Precast, Or Masonry Footings (Inches) For Light-Frame Construction With Pre-Fabricated Roof Trussesa, b
Add table as shown below:
Load-Bearing Value of Soil (psf)
1,500
2,000
3,000
> 4,000
Conventional light-frame construction with pre-fabricated trusses
1 story
15
15
15
15
2 story
15
15
15
15
3 story
23
17
15
15
4-inch brick veneer over light frame or 8-inch hollow concrete masonry
1 story
15
15
15
15
2 story
21
16
15
15
3 story
32
24
16
15
8-inch solid or fully grouted masonry
1 story
16
15
15
15
2 story
29
21
15
15
3 story
42
32
21
16
For SI: 1 inch = 25.4 mm, 1 pound per square foot = 0.0479 kPa
a.
Spread footings shall be at least 8 inches (152 mm) in thickness
22. 
Table R404.1.2(10) Concrete Foundation Walls.
Maximum Wall Height
Maximum Depth of Unbalanced Backfill
Minimum Nominal Wall Thickness
7'-0"
6'-0" or less 7'-0"
8" 10" (Note a)
8'-0"
6'-0" or less 7'-0" 8'-0"
8" (Note a) 8" (Note a) 8" (Note a)
9'-0"
6'-0" or less 7'-0" 8'-0" 9'-0"
10" (Note b) 10" (Note b) 10" (Note b) 10" (Note b)
Note a: Concrete foundation walls may be constructed a minimum of nominal eight (8) inches thick where the wall height from the top of the footing to the top of the wall does not exceed eight (8) feet. A minimum of two (2) #4 reinforcing bars shall be placed horizontally in the top and bottom of the foundation wall. A minimum of two (2) #5 reinforcing bars shall be provided around all window and door openings in concrete foundation and basement walls; bars shall extend a minimum of twenty-four (24) inches beyond the corners of the openings.
Note b: Concrete foundation walls may be constructed a minimum of nominal ten (10) inches thick. A minimum of two (2) #5 reinforcing bars shall be placed horizontally in the top, middle, and bottom of the foundation wall. A minimum of two (2) #5 reinforcing bars shall be provided around all window and door openings in concrete foundation and basement walls; bars shall extend a minimum of twenty-four (24) inches beyond the corners of the openings.
The concrete minimum nominal wall thickness shall be eight (8) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when the maximum wall height is eight (8) feet.
The concrete minimum wall thickness shall be ten (10) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when the maximum wall height is nine (9) feet.
The concrete minimum wall thickness shall be twelve (12) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when the maximum wall height is ten (10) feet.
23. 
Section R405.1 Concrete and masonry foundations, is amended by amending the exceptions to read as follows:
Exceptions:
a. 
A drainage system is not required where the foundation is installed on well-drained ground or sand-gravel mixture soils according to the Unified Soil Classification System, Group I soils, as detailed in Table R405.1.
b. 
Drains provided as detailed in Section R405.1.2 are approved as an alternative method to meet the requirements of this Section.
24. 
Section R405.1.2 Soil Evaluations. An evaluation of the soil for the presence or absence of ground water is required. The evaluation report shall be based on either a subsurface soil investigation or satisfactory data from adjacent areas together with an inspection of the excavation prior to pouring concrete.
25. 
Section R405.1.2.1 Ground Water Present. Provide drain tile, perforated pipe, or other approved foundation drainage systems (such as water channel system) around perimeter of the outside of the foundation or inside the foundation. Drain discharge shall be by gravity to daylight or be connected to a basement floor sump.
26. 
Section R405.1.2.2 No Ground Water Present. Provide drain tile, perforated pipe, or other approved foundation drainage systems (such as water channel system) around perimeter of the outside of the foundation or inside the foundation. Drain discharge shall be by gravity to daylight or be connected to a basement floor sump.
27. 
Section R405.1.2.3 Filter Membranes. An approved filter membrane shall be placed over the top of the joints/pipe perforations. The tile/pipe shall be placed on two (2) inches minimum gravel or crushed stone and have six (6) inches minimum cover. Pipes shall drain to the sump pit or to daylight.
28. 
Section R405.1.2.4 Drainage System. Drainage system shall discharge by gravity to daylight or be connected to an approved sump (eighteen (18) inches in diameter by twenty-four (24) inches deep with fitted cover). A sump pit shall be provided in each basement with pump discharge by an approved method, exception may be granted by a code official.
29. 
R507.2.4 Deck Lateral Load Connection. The lateral load connection required by Section R507.2.4 shall be permitted to be in accordance with Figure R507.2.4. Hold-down tension devices shall be installed in not less than two (2) locations per deck, and each device shall have an allowable stress design capacity of not less than 1,500 pounds (6672N).
Exception: All decks that are one hundred (100) square feet or less are exempt.
30. 
Table R602.7.5 Support For Headers.
Minimum Number of Full Height Studs at Each End of Headers in Exterior Walls
Maximum Header Span
(feet)
Ultimate Design Wind Speed and Exposure Category
< 140 mph, Exposure B Or
< 130 mph, Exposure C
< 115 mph, Exposure B
4
1
1
6
2
1
8
2
1
10
3
2
12
3
2
14
3
2
16
4
2
18
4
2
a.
For header spans between those given above, use the minimum number of full height studs associated with the larger header span.
b.
The tabulated minimum number of full height studs is applicable where jack studs are provided to support the header at each end in accordance with Table R602.7.(1). Where a framing anchor is used to support the header in lieu of a jack stud in accordance with footnote "d" of Table R602.7.(1), the minimum number of full height studs at each end of a header shall be in accordance with requirements for wind speed < 140 mph, Exposure B.
31. 
R602.12 Simplified Wall Bracing.
3.
Wall height shall not be greater than a nominal twelve (12) feet when using the minimum required bracing lengths specified in Table 602.12.4.
Exception: Structural calculations and details are not required when there are no braced wall panels in that portion of a wall where the height exceeds a nominal twelve (12) feet and that greater wall height segment is part of a prescriptive braced wall line on each of the adjacent stories.
5.
Exterior walls shall have gypsum board with a minimum thickness of half inch (12.7 mm) installed on the interior side fastened in accordance with Table R702.3.5.
Exception: Gypsum board is not required for wall bracing on exterior walls in garages.
7.
The structure shall be located in Seismic Design Category A, B or C for detached one- and two-family dwellings or Seismic Design Category A, B or C for townhouses.
R602.12.3 Bracing unit.
Where all framed portions of all exterior walls are sheathed in accordance with Section R602.12.2, including wall areas between bracing units, above and below openings and on gable end walls, the minimum length of a bracing unit shall be three (3) feet (914 mm). For walls with heights greater than a nominal ten (10) feet, the minimum length of a bracing unit shall be four (4) feet (1,219 mm).
32. 
R905.2.8.2 Valleys. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Valley linings of the following types shall be permitted:
a. 
For open valleys (valley lining exposed) lined with metal, the valley lining shall be not less than twenty-four (24) inches (610 mm) wide and be of any of the corrosion-resistant metals in Table R905.2.8.2.
b. 
For open valleys, valley lining of two (2) plies of mineral-surfaced roll roofing, complying with ASTM D 3909 or ASTM D 6380 Class M, shall be permitted. The bottom layer shall be eighteen (18) inches (457 mm) and the top layer not less than thirty-six (36) inches (914 mm) wide.
c. 
For closed valleys (valley covered with shingles), valley lining of two (2) plies of No. 15 felt complying with ASTM D 226 Type 1, ASTM D 4869 Type 1, or ASTM D 6757, or valley lining as described in Item 1 and 2 shall be permitted. Self-adhering polymer modified bitumen underlayment complying with ASTM D 1970 shall be permitted in lieu of the lining material.
33. 
R905.2.8.5 Drip Edge. Delete in its entirety.
34. 
R1005.8 Installation. Factory-built chimneys shall be installed in accordance with the manufacturer's installation instructions. The flue chase for a factory-built chimney shall have a minimum of one (1) thickness of five-eighths (5/8) inch Type X drywall or its equivalent extending to the roof sheathing of the structure applied to the inside of every portion of the flue chase that abuts a structure.
35. 
1005.9, Required Fire Separation Enclosures, is added, which shall read as follows: R1005.9 Required Fire Separation Enclosures. All prefabricated metal chimneys shall be enclosed in a shaft with one (1) layer of five-eighths (5/8) inch, Type X drywall or equivalent from the fireplace connector to the underside of the roof sheathing securely attached with framing material. When the chimney is located on the exterior of the structure, it need only be separated by lining the exterior wall adjacent to the shaft with one (1) layer of five-eighths (5/8) inch, Type X drywall or equivalent. All joints are to be tight within one-eighth (1/8) inch or taped with a layer of joint compound. Required clearances shall be maintained between chimney and the drywall per the chimney manufacturer's specifications.
36. 
N1101.13 (R401.2) Compliance. Projects shall comply with one (1) of the following:
a. 
Sections N1101.14 through N1104 as amended.
b. 
Section N1105 and the provisions of Sections N1101.14 through N1104 labeled "Mandatory."
c. 
An energy rating index (ERI) approach in Section N1106.
37. 
Table N1102.1.2 (R402.1.2), Insulation and Fenestration Requirements by Component, is amended to read as follows:
Climate Zone
Fenestra-tion U-Factor b
Skylight b U-Factor
Glazed Fenestra-tion SHGCb, a
Celling R-Value
Wood Frame Wall R-Value
Mass Wall R- Value1
Floor R-Value
Base-ment Wall R-Value
Slab R-Value & Depth
Crawl Space Wall R-Value
1
NR
0.75
0.25
30
13
3/4
13
0
0
0
2
0.40
0.65
0.25
38
13
4/6
13
0
0
0
3
0.35
0.55
0.25
38
20 or 13 + 5h
8/13
19
6/13f
0
5/13
4 except Marine
0.40
0.55
NR
38
13
8/13
19
01
10, 2 ft
10/13
5 and Marine 4
0.32
0.55
NR
49
20 or 13 + 5h
13/17
30g
15/19
10, 2 ft
15/19
6
0.32
0.55
NR
49
20 + 5 or 13 + 10h
15/20
30g
15/19
10, 4 ft
15/19
7 and 8
0.32
0.55
NR
49
20 + 5 or 13 + 10h
19/21
38g
15/19
10, 4 ft
15/19
For SI: 1 foot = 304.8 mm.
j.
Exception: Unfinished basements may have up to a maximum of twenty percent (20%) of the total basement wall area exposed above the outside finished grade/ground level as uninsulated concrete foundation walls. The foundation wall area above the outside grade/ground level that may be uninsulated is determined by the formula [.20 times the basement wall height of all walls (including insulated exterior frame walls for walkout basements and walls common to both basement and attached garages) times the perimeter of these basement walls]. In unfinished areas, the basement foundation wall insulation shall extend down to the basement floor slab or to a minimum of twenty-four (24) inches below outside finished grade when the grade is above the floor slab elevation.
38. 
N1102.1.3 (R402.1.3) R-Value Computation. Insulation material used in layers, such as framing cavity insulation, or continuous insulation shall be summed to compute the corresponding component R-value. The manufacturer's settled R-value shall be used for blown insulation. Computed R-values may include an R-value for other building materials or air films. Where insulated siding is used for the purpose of complying with the continuous insulation requirements of Table N1102.1.2, the manufacturer's labeled R-Value for insulated siding shall be reduced by R-0.6.
Exception: Vertical doors that provide access from the conditioned to unconditioned spaces shall be permitted to meet the fenestration requirements of Table R1102.1.2 based on the applicable climate zone specified in Chapter 3.
39. 
N1102.2.4 (R402.2.4) Access Hatches And Doors. Access doors from conditioned spaces to unconditioned spaces such as attics and crawl spaces shall be insulated to a level equivalent to the insulation on the surrounding surfaces. Access shall be provided to all equipment that prevents damaging or compressing the insulation. A wood-framed or equivalent baffle or retainer is required to be provided when loose-fill insulation is installed, the purpose of which is to prevent the loose-fill insulation from spilling into the living space when the attic access is opened, and to provide the permanent means of maintaining the installed R-value of the loose-fill insulation.
40. 
N1102.4 (R402.4) Air Leakage. The building thermal envelope may be designed and constructed to limit air leakage in accordance with the requirements of Sections R1102.4.1 through R1102.4.4.
41. 
N1102.4.1.2 (R402.4.1.2) Testing. Any building or dwelling unit when constructed substantially above the standards set forth in Table N1102.1.2 shall be tested and verified as having an air leakage rate of not exceeding five (5) air changes per hour in Climate Zone 4. Testing shall be conducted in accordance with ASTM E 779 or ASTM E 1827 and reported at a pressure of two-tenths (0.2) inches w.g. (fifty (50) Pascals). Where required by the code official, testing shall be conducted by an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.
42. 
Table N1102.4.1.1 (R402.4.1.1), Air Barrier and Insulation, is amended to read as follows:
Table N1102.4.1.1 (402.4.1.1)
Air Barrier and Insulation Installation
Component
Air Barrier Criteria
Insulation Installation Criteria
General Requirements
A continuous air barrier shall be installed in the building envelope. The exterior thermal envelope contains a continuous air barrier. Breaks or joints in the air barrier shall be sealed.
Air-permeable insulation shall not be used as a sealing material.
Ceiling/attic
The air barrier in any dropped ceiling/soffit shall be aligned with the insulation and any gaps in the air barrier sealed. Access openings, drop down stairs or knee wall doors to unconditioned attic spaces shall be sealed.
The insulation in any dropped ceiling/soffit shall be aligned with the air barrier.
Walls
The junction of the foundation and sill plate shall be sealed. The junction of the top plate and the top of the exterior walls shall be sealed. Knee walls shall be sealed.
Cavities within corners and headers of frame walls shall be insulated by completely filling the cavity with a material having a thermal resistance of R-3 per inch minimum. Exterior thermal envelope insulation for framed walls shall be installed in substantial contact and continuous alignment with the air barrier.
Windows, skylights and doors
The space between window/door jambs and framing, and skylights and framing shall be sealed.
Rim joists
Rim joists shall include the air barrier.
Rim joists shall be insulated.
Floors (including above garage and cantilevered floors)
The air barrier shall be installed at any exposed edge of insulation.
Floor framing cavity insulation shall be installed to maintain permanent contact with the underside of subfloor decking, or floor framing cavity insulation shall be permitted to be in contact with the top side of sheathing, or continuous insulation installed on the underside of floor framing; and extends from the bottom to the top of all perimeter floor framing members.
Crawl space walls
Exposed earth in unvented crawl spaces shall be covered with Class I vapor retarder with overlapping joists taped.
Where provided instead of floor insulation, insulation shall be permanently attached to the crawl space walls.
Narrow cavities
Batts in narrow cavities shall be cut to fit, or narrow cavities shall be filled by insulation that on installation readily conforms to the available cavity space.
Garage separation
Air sealing shall be provided between the garage and conditioned spaces.
Plumbing and wiring
Batt insulation shall be cut neatly to fit around wiring and plumbing in exterior walls, or insulation that on installation readily conforms to available space shall extend behind piping and wiring.
Shower/tub on exterior wall
The air barrier installed at exterior walls adjacent to showers and tubs shall separate them from showers and tubs.
Exterior walls adjacent to showers and tubs shall be insulated.
Electrical/phone box on exterior walls
The air barrier shall be installed behind electrical or communication boxes or air-sealed boxes shall be installed.
Concealed sprinklers
When required to be sealed, concealed fire sprinklers shall only be sealed in a manner that is recommended by the manufacturer. Caulking or other adhesive sealants shall not be used to fill voids between fire sprinkler cover plates and walls or ceilings.
a.
In addition, inspection of log walls shall be in accordance with the provisions of ICC 400.
43. 
N1102.4.4 (R402.4.4) Rooms Containing Fuel-Burning Appliances. Add exception: Mechanical equipment in an unfinished space.
44. 
N1102.4.5 (R402.4.5) Recessed Lighting. Recessed luminaires penetrating the building thermal envelope shall be sealed to limit air leakage between conditioned and unconditioned spaces. All recessed luminaires shall be IC-rated and labeled as having an air leakage rate not more than 2.0 cfm (0.944 L/s) when tested in accordance with ASTM E 283 at a 1.57 psf (75 Pa) pressure differential. All recessed luminaires may be sealed with a gasket or caulk between the housing and interior wall or ceiling covering.
45. 
N1103.1.1 (R403.1.1) Programmable Thermostat. Delete in its entirety.
46. 
N1103.3.3 (R403.3.3) Duct Testing (Mandatory). Delete in its entirety.
47. 
N1103.3.5 (R403.3.5) Building Cavities (Mandatory). Delete in its entirety.
48. 
N1103.5.3 (R405.5.3) Hot Water Pipe Insulation (Prescriptive). Insulation for hot water pipe with a minimum thermal resistance (R-Value) of R-3 shall be applied to the following:
i.
Piping larger than 3/4 inch (19 mm) in nominal diameter.
49. 
N1103.6 (R403.6) Mechanical Ventilation (Mandatory). Delete in its entirety.
50. 
N1103.7 (R403.7) Equipment Sizing And Efficiency Rating (Mandatory). Heating and cooling equipment shall be sized in accordance with ACCA Manual J or other approved heating and cooling calculation methodologies. New or replacement heating and cooling equipment shall have an efficiency rating equal to or greater than the minimum required by Federal law for the geographic location where the equipment is installed.
51. 
N1104 (R404) Electrical Power And Lighting Systems (Mandatory). Delete in its entirety.
52. 
Table N1105.5.2(1), Specifications for the Standard Reference and Proposed Designs, is amended to read as follows:
Building Component
Standard Reference Design
Proposed Design
Above-grade walls
Type: mass wall if proposed wall is mass; otherwise wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Solar absorptance = 0.75
As proposed
Remittance = 0.90
As proposed
Basement and crawl space walls
Type: same as proposed
As proposed
Gross area: same as proposed
As proposed
U-factor: from Table N1102.1.4, with insulation layer on interior side of walls
As proposed
Above-grade floors
Type: wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Ceilings
Type: wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Roofs
Type: composition shingle on wood sheathing
As proposed
Gross area: same as proposed
As proposed
Solar absorptance = 0.75
As proposed
Emittance = 0.90
As proposed
Attics
Type: vented with aperture = 1 ft2 per 300 ft2 ceiling area
As proposed
Foundations
Type: same as proposed
As proposed
Foundation wall area above and below grade and soil characteristics: same as proposed
As proposed
Opaque doors
Area: 40 ft2
As proposed
Orientation: North
As proposed
U-factor: same as fenestration from Table N1102.1.4
As proposed
Vertical fenestration other than opaque doors
Total areab = 15 percent of the conditioned floor area
As proposed
Orientation: equally distributed to four (4) cardinal compass orientations (N, E, S & W)
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
SHGC: as specified in Table N1102.1.2 except that for climates with no requirement (NR) SHGC = 0.40 shall be used
As proposed
Interior shade fraction: 0.92 - (0.21 x SHGC for the standard reference design)
0.92 - (0.21 x SHGC as proposed)
External shading: none
As proposed
Skylights
None
As proposed
Thermally isolated sunrooms
None
As proposed
Air exchange rate
Air leakage rate of 5 air changes per hour in Climate Zones 4. The mechanical ventilation rate shall be in addition to the air leakage rate and the same as in the proposed design, but no greater than 0.01 x CFA + 7.5 x (Nbr + 1) where: CFA = conditioned floor area Nbr = number of bedrooms Energy recovery shall not be assumed for mechanical ventilation
For residences that are not tested, the same air leakage rate as the standard reference design. For tested residences, the measured air exchange ratea. The mechanical ventilation rateb shall be in addition to the air leakage rate and shall be proposed.
Mechanical ventilation
None, except where mechanical ventilation is specified by the proposed design, in which case: Annual vent fan energy use: kWh/yr = 0.03942 x CFA + 29.565 x (Nbr + 1) where: CFA = conditioned floor area Nbr = number of bedrooms
As proposed
Internal gains
IGain = 17,900 + 23.8 x CFA + 4104 x Nbr (Btu/day per dwelling unit)
Same as standard reference design.
Internal mass
An internal mass for furniture and contents of 8 pounds per square foot of floor area
Same as standard reference design, plus any additional mass specifically designed as a thermal storage elementc but not integral to the building envelope or structure
Structural mass
For masonry floor slabs, 80 percent of floor area covered by R-2 carpet and pad, and 20 percent of floor directly exposed to room air
As proposed
For masonry basement walls, as proposed, but with insulation required by Table R402.1.4 located on the interior side of the walls
As proposed
For other walls, for ceilings, floors, and interior walls, wood frame construction
As proposed
Heating systemsd, e
Fuel type: same as the proposed design Efficiencies: Electric: air-source heat pump with prevailing Federal minimum standards Nonelectric Furnaces: natural gas furnace with prevailing Federal minimum standards Nonelectric boilers: natural gas boiler with prevailing Federal minimum standards Capacity: sized in accordance with Section N1103.7
As proposed
Cooling systemsd, f
Fuel type: electric Efficiency: in accordance with prevailing Federal minimum standards Capacity: sized in accordance with Section N1103.7
As proposed
Service water heatingd, e, f
Fuel type: same as proposed design Efficiency: in accordance with prevailing Federal minimum standards Use: gal/day = 30 + 10 x Nbr Tank temperature: 120° F
As proposed
Same as standard reference
Thermal distribution systems
Duct insulation: from Section N1103.2.1A thermal distribution system efficiency (DSE) of 0.88 shall be applied to both the heating and cooling system efficiencies for all systems other than tested duct systems. For tested duct systems, the leakage rate shall be 4 cfm (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area at a pressure of differential of 0.1 inches w.g. (25 Pa)
As tested or specified in Table R405.5.2(2) if not tested. Duct insulation shall be as proposed.
Thermostat
Type: Manual, cooling temperature setpoint = 75° F; Heating temperature setpoint = 72° F
Same as standard reference
For SI: 1 square foot = 0.93 m2, 1 British thermal unit = 1055 J, 1 pound per square foot = 4.88 kg/m2, 1 gallon (US) = 3.785 L, °C = (° F-32)/1.8, 1 degree = 0.79 rad
a.
Where required by the code official, testing shall be conducted by an approved party. Hourly calculations as specified in the ASHRAE Handbook of Fundamentals, or the equivalent shall be used to determine the energy loads resulting from infiltration.
b.
The combined air exchange rate for infiltration and mechanical ventilation shall be determined in accordance with Equation 43 of 2001 ASHRAE Handbook of Fundamentals, page 26.24 and the "Whole-house Ventilation" provisions of 2001 ASHRAE Handbook of Fundamentals, page 26.19 for intermittent mechanical ventilation.
c.
Thermal storage element shall mean a component not part of the floors, walls or ceilings that is part of a passive solar system, and that provides thermal storage such as enclosed water columns, rock beds, or phase-change containers. A thermal storage element must be in the same room as fenestration that faces within 15 degrees (0.26 rad) of true south, or must be connected to such a room with pipes or ducts that allow the element to be actively charged.
d.
For a proposed design with multiple heating, cooling or water heating systems using different fuel types, the applicable standard reference design system capacities and fuel types shall be weighted in accordance with their respective loads as calculated by accepted engineering practice for each equipment and fuel type present.
e.
For a proposed design without a proposed heating system, a heating system with the prevailing Federal minimum efficiency shall be assumed for both the standard reference design and proposed design.
f.
For a proposed design home without a proposed cooling system, an electric air conditioner with the prevailing Federal minimum efficiency shall be assumed for both the standard reference design and the proposed design.
g.
For a proposed design with a non-storage-type water heater, a 40-gallon storage-type water heater with the prevailing Federal minimum energy factor for the same fuel as the predominant heating fuel type shall be assumed. For the case of a proposed design without a proposed water heater, a 40-gallon storage-type water heater with the prevailing Federal minimum efficiency for the same fuel as the predominant heating fuel type shall be assumed for both the proposed design and standard reference design.
53. 
M1301.2 Identification. Each ten-foot length of pipe and tubing and each pipe fitting utilized in a mechanical system shall bear the identification of the manufacturer.
54. 
M1301.5 Third Party Testing And Certification. Delete in its entirety.
55. 
M1305.1.4.1 Ground Clearance. Equipment and appliances supported from the ground shall be level and firmly supported on a concrete slab or other approved material extending not less than two (2) inches (50.8 mm) above the adjoining ground. Such support shall be in accordance with the manufacturer's installation instructions. Appliances suspended from the floor shall have a clearance of not less than six (6) inches (152 mm) from the ground.
56. 
M1305.1.4.3, Electrical requirements, is amended to add one (1) exception to read as follows:
Exception: Basements.
57. 
M1501.1 Outdoor Discharge. Add exception #2.
Exceptions:
2.
Bathroom exhaust may discharge to an attic gable vent or ventilated soffit if attached or secured within 6" of same, without obstruction.
58. 
M1502.4.1 Material And Size. Exhaust ducts shall have a smooth interior finish and be constructed of metal having a minimum thickness of 0.0157 inch (0.3950 mm) (No. 30 gage). The duct shall be four (4) inches (102 mm) nominal in diameter.
59. 
M1503.4 Makeup Air Required. Exhaust hood systems capable of exhausting in excess of six hundred (600) cubic feet per minute shall be mechanically or naturally provided with makeup air at a rate approximately equal to the exhaust air rate. Such makeup air systems shall be equipped with a means of closure and shall be automatically controlled to start and operate simultaneously with the exhaust system.
60. 
M1507.2 Recirculation Of Air. Exhaust air from bathrooms and toilet rooms shall not be recirculated within a residence or to another dwelling unit and shall be exhausted directly to the outdoors in accordance with Section M1501.1.
61. 
Table 1601.1.1(2) Delete in its entirety and insert:
Duct Size
Galvanized
Aluminum
Minimum Thickness
(inches)
Equivalent Galvanized Sheet No.
Approximate Aluminum B & S Gauge
Round ducts and enclosed rectangular ducts 14 inches or less
0.013
30
26
Over 14 inches
0.016
28
24
Exposed rectangular ducts 14 inches or less
0.016
28
24
Over 14 inches
0.019
26
22
62. 
M1601.4.1 Joints, Seams And Connections. Joints of duct systems shall be made substantially airtight in an unconditioned area by means of tapes, mastics, liquid sealants, gasketing or other approved closure systems. Closure systems used with rigid fibrous glass ducts shall comply with UL 181A and shall be marked 181A-P for pressure-sensitive tape, 181A-M for mastic or 181A-H for heat-sensitive tape. Closure systems used with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked 181B-FX for pressure-sensitive tape or 181B-M for mastic. Duct connections to flanges of air distribution system equipment or sheet metal fittings shall be mechanically fastened. Mechanical fasteners for use with flexible non-metallic air ducts shall comply with UL 181B and shall be marked 181B-C. Crimp joints for round metal ducts shall have a contact lap of at least one (1) inch and shall be mechanically fastened with at least three (3) sheet metal screws or rivets equally spaced around the joint. Closure systems used to seal metal ductwork shall be installed in accordance with the manufacturer's installation instructions.
Exceptions:
1.
Spray polyurethane foam shall be permitted to be applied without additional joint seals.
2.
Where a duct connection is made that is partially inaccessible, three (3) screws or rivets shall be equally spaced on the exposed portion of the joint so as to prevent a hinge effect.
3.
Continuously welded and locking-type longitudinal joints and seams in ducts operating at static pressure less than two (2) inches of water column (five hundred (500) Pa) pressure classification shall not require additional closure systems.
63. 
G2408.4 (305.7) Clearances From Grade. Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending not less than two (2) inches above adjoining grade or shall be suspended not less than six (6) inches (152 mm) above adjoining grade. Such supports shall be installed in accordance with the manufacturer's installation instructions.
64. 
G2415.3 (404.3) Prohibited Locations. Add Exception:
Exception: Or installed as approved by the Authority Having Jurisdiction (AHJ) such as Ameren or Laclede Gas.
65. 
P2503.5.1 Rough Plumbing. DWV systems shall be tested on completion of the rough piping installation by water or by air without evidence of leakage. Either test shall be applied to the drainage system in its entirety or in sections after rough-in piping has been installed, as follows:
1. 
Water Test. Each section shall be filled with water to a point not less than five (5) feet (1,524 mm) above the highest fitting connection in that section, or to the highest point in the completed system. Water shall be held in the section under test for a period of fifteen (15) minutes. The system shall prove leak-free by visual inspection.
2. 
Air Test. The portion under test shall be maintained at a gauge pressure of five (5) pounds per square inch (psi) (34 kPa) or ten (10) inches of mercury column (34 kPa). This pressure shall be held without introduction of additional air for a period of fifteen (15) minutes.
66. 
P2609.1-P2609.4 Identification. Each ten (10) foot length of pipe and tubing and each pipe fitting utilized in a mechanical system shall bear the identification of the manufacturer.
67. 
P2903.5 Water Hammer. The flow velocity of the water distribution system shall be controlled to reduce the possibility of water hammer. A water-hammer arrestor shall be installed where quick-closing valves are used. Water-hammer arrestors shall be installed in accordance with the manufacturer's installation instructions. Water-hammer arrestors shall conform to ASSE 1010.
68. 
P2904.1 General. When installed, the design and installation of residential fire sprinkler systems shall be in accordance with NFPA 13D or Section 2904, which shall be considered equivalent to NFPA 13D. Partial residential sprinkler systems shall be permitted to be installed only in buildings not required to be equipped with a residential sprinkler system. Section P2904 shall apply to stand-alone and multipurpose wet-pipe sprinkler systems that do not include the use of antifreeze. A multipurpose fire sprinkler system shall provide domestic water to both fire sprinklers and plumbing fixtures. A stand-alone sprinkler system shall be separate and independent from the water distribution system. A backflow preventer shall not be required to separate a stand-alone system from the water distribution system.
69. 
E3609.3 Bonding For Other Systems. Delete in its entirety.
70. 
E3902.2 Garage And Accessory Building Receptacles. 125-volt, single-phase, 15- or 20-ampere receptacles installed in garage 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: Fastened in place appliances or outlets designated for refrigerators/freezers.
71. 
E3902.5 Unfinished Basement Receptacles. 125-volt, single-phase, 15- and 20-ampere receptacles installed in unfinished basements shall have ground-fault circuit-interrupter protection for personnel. For purposes of this Section, unfinished basements are defined as portions or areas of the basement not intended as habitable rooms and limited to storage areas, work areas, and similar areas. [210.8(A)(5)]
Exceptions:
1.
A receptacle supplying only a permanently installed fire alarm or burglar alarm system. Receptacles installed in accordance with this exception shall not be considered as meeting the requirements of Section E3901.9. Must be a single dedicated outlet (not a duplex).
2.
Fastened in place appliances or outlets designated for refrigerators/freezers. Must be a single dedicated outlet (not a duplex).
3.
Sump Pump: sump pump receptacles must be a single dedicated outlet (not a duplex) and only when a sump pump has been installed.
72. 
E3902.6 Kitchen Receptacles. 125-volt, single-phase, 15- and 20-ampere receptacles that serve countertop surfaces shall have ground-fault circuit-interrupter protection for personnel. [210.8(A)(6)]
Exception: Fastened in place appliances or outlets designated for refrigerators/freezers.
73. 
E3902.14 Location Of Ground-Fault Circuit Interrupters. Ground-fault circuit interrupters shall be installed only in a readily accessible location. [210.8(A)]
74. 
E3902.16 Arc-Fault Circuit-Interrupter Protection. Branch circuits that supply 120-volt, single phase, 15- and 20-ampere outlets installed in bedrooms and sleeping areas shall be protected by any of following: [210.12(A)]
75. 
Section P3902.17, Arc-fault circuit interrupter protection for branch circuit extensions or modifications, is amended by amending the exception to read as follows:
Exception: AFCI protection shall not be required where the extension of the existing conductors is not more than thirty (30) feet (9.5 m) in length and does not include any additional outlets or devices. [210.12(B) Exception]
76. 
R106.1 Submittal Documents. Except as provided below, all construction plans submitted with an application for a building permit shall be prepared by a Missouri licensed design professional. Where special conditions exist, the Building Official is authorized to require additional construction documents to be prepared by a registered design professional. All construction documents shall bear an original embossed or wet ink seal, original ink signature and the date the documents were sealed by the Missouri licensed professional. Any addenda or modifications submitted for changes to the construction documents shall also bear the original embossed or wet ink seal, original ink signature and date the documents were sealed. Provided, however, the Building Official is authorized to waive the requirement that such construction documents and other data be prepared by a registered design professional in the following instances:
[Ord. No. 3719 § 1, 4-13-2017]
1.
If it is found by the Building Official that the nature of the work applied for is such that reviewing of construction documents is not necessary to obtain compliance with this code.
2.
Miscellaneous structures such as single-story room additions, carports, garages, sheds, decks, fences, swimming pools, pergolas, gazebos, etc.
77. 
R106.1.1 Information On Construction Documents. One (1) set of construction documents shall be submitted as a paper copy and shall be drawn upon suitable material. One (1) set shall be submitted electronically and shall be retained by the Building Official. Construction documents shall be of sufficient clarity to indicate the location, nature and extent of the work proposed and show in detail that it will conform to the provisions of this code and relevant laws, ordinances, rules and regulations, as determined by the Building Official.
[Ord. No. 3719 § 1, 4-13-2017]
[R.O. 2006 §500.021; Ord. No. 1797 Art. I(§500.080), 9-12-2001; Ord. No. 2660 §2, 12-27-2006; Ord. No. 3689 § 1, 1-26-2017]
A. 
Any person violating any of the provisions of the code adopted in this Article shall be deemed guilty of an offense and upon conviction thereof the court shall not assess a fine, if combined with the amount of court costs, totaling in excess of:
1. 
Two hundred dollars ($200.00), if the defendant has committed no Municipal Code violations within twelve (12) months prior to the violation for which the defendant is to be sentenced;
2. 
Two hundred seventy-five dollars ($275.00), if the defendant has committed one (1) Municipal Code violation within twelve (12) months prior to the violation for which the defendant is to be sentenced;
3. 
Three hundred fifty dollars ($350.00), if the defendant has committed two (2) Municipal Code violations within twelve (12) months prior to the violation for which the defendant is to be sentenced; or
4. 
Four hundred fifty dollars ($450.00), if the defendant has committed three (3) or more Municipal Code violations within twelve (12) months prior to the violation for which the defendant is to be sentenced.
B. 
The Court shall not sentence a person to confinement for violating any of the provisions of the Code adopted by this Article. Each day such violation continues or is permitted to continue shall constitute a separate offense and shall be punishable as such hereunder.