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City of Oak Grove, MO
Jackson County
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Table of Contents
Table of Contents
[Ord. No. 980 §§2 — 3, 11-6-1989; Ord. No. 1204 §1, 12-1-1997; Ord. No. 1398 §§1 — 3, 3-21-2003; Ord. No. 1423 §§1 — 2, 6-7-2004; Ord. No. 1549 §1, 10-16-2006; Ord. No. 1663 §1, 2-1-2010; Ord. No. 1724 §§1 — 4, 11-7-2011; Ord. No. 1761 §1, 2-4-2012; Ord. No. 1842, 8-1-2016]
A. 
The following technical codes are adopted and incorporated in this Section by reference as if fully set forth, except as they may be amended by other provisions of this Section:
1. 
International Building Code 2012.
2. 
International Residential Code 2012.
3. 
International Fire Code 2012.
4. 
International Fuel Gas Code 2012.
5. 
International Mechanical Code 2012.
6. 
International Plumbing Code 2012.
7. 
National Electrical Code 2011.
8. 
International Property Maintenance Code 2012.
9. 
International Private Sewage Disposal Code 2012.
10. 
Accessible and Usable Buildings and Facilities 2009.
11. 
International Existing Building Code 2012.
B. 
The 2012 edition of the International Building Code, including Appendixes C, E, I, J, and K and its most current errata as published by the International Code, is adopted and incorporated in this Chapter as if fully set forth herein, except only such parts or portions thereof as are specifically added or amended as follows:
1. 
Chapter 1, Administration, of the 2012 edition of the International Building Code is deleted in its entirety and replaced with the applicable provisions of the Code of Ordinances of the City of Oak Grove.
2. 
Section 901.5, Acceptance test, is hereby amended to read as follows:
i. 
Fire detection and alarm systems, fire extinguishing systems, fire hydrant systems, fire standpipe systems, fire pump systems, private fire service main and all other fire protection systems and appurtenances thereto shall be subject to acceptance test(s) as contained in the installation standards and as approved by the Code Official. The Code Official shall be notified forty-eight (48) hours before any required acceptance testing.
3. 
Section 903.4.2, Alarms, is hereby amended to read as follows:
i. 
One (1) all-weather horn/strobe shall be connected to every automatic sprinkler system on the exterior of the building above the FD connection or in an approved location. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Listed alarm notification devices shall be provided on the exterior and interior of the building in an approved location. Actuation of the automatic sprinkler system shall actuate the building fire alarm system. Interior alarm notification appliances shall be installed as required by Section 903.4.2.1.
4. 
Section 903.4.2.1, Notification device, is hereby amended to read as follows:
i. 
Where an automatic fire sprinkler system is installed in a building, audible and visible notification appliances shall be installed throughout the building as follows:
A. 
Audible notification appliances shall be installed so as to be audible at fifteen (15) dBa above sound pressure level throughout the building.
B. 
Visible notification appliances shall be installed in all public and common use areas, restrooms and corridors in accordance with the spacing requirements of NFPA 72.
C. 
Visible notification devices can be eliminated in normally unoccupied portions of buildings where permitted by the Fire Code Official.
Exception: The requirements of this Section do not apply to Group R-3 occupancies.
5. 
Section 907.2.7.1, Occupant notification, is hereby amended to read as follows:
i. 
During times that the building is occupied, the initiation of a signal from a manual fire alarm box or from a water-flow switch shall not be required to activate the alarm notification appliances when an alarm signal is activated at a constantly attended location from which evacuation instructions shall be initiated over an emergency voice/alarm communication system installed in accordance with Section 907.5.2.2 and only when approved by the Fire Code Official.
6. 
Section 1008.1.9.3, Locks and latches, is hereby amended to read as follows:
i. 
Egress doors shall be readily openable from the egress side without the use of a key or special knowledge or effort.
Exceptions:
A. 
Places of detention or restraint.
B. 
When egress doors are used in pairs, approved automatic flush bolts shall be permitted to be used, provided that the door leaf having the automatic flush bolts has no doorknob or surface-mounted hardware. The unlatching of any leaf shall not require more than one (1) operation.
C. 
Doors from individual dwelling units and guestrooms of Group R occupancies having an occupant load of ten (10) or less are permitted to be equipped with a night latch, dead bolt or security chain, provided such devices are openable from the inside without the use of a key or tool.
7. 
Section 1013.2, Guards, is hereby amended to read as follows:
i. 
Guards shall be located along open-sided walking surfaces, including mezzanines, equipment platforms, stairs, ramps and landings that are located more than thirty (30) inches (762 mm) measured vertically to the floor or grade below at any point within thirty-six (36) inches (914 mm) horizontally to the edge of the open side. Guards shall be adequate in strength and attachment in accordance with Section 1607.8. Guards are required at retaining walls over thirty (30) inches above grade when walking surfaces are within ten (10) feet of the high side of the retaining wall. Exceptions remain unchanged.
8. 
Chapter 13, Energy efficiency, of the 2012 edition of the International Building Code is hereby deleted in its entirety.
9. 
Table 1505.1 of the 2012 edition of the International Building Code is amended by deleting footnotes a, b, and c.
10. 
Section 1505.5, Non-classified roofing, is amended to read as follows:
i. 
Non-classified roofing shall not be installed unless utilized for the repair of ten percent (10%) or less of the total roof covering in any three-year period.
11. 
Section 1510.1, General, is hereby amended to read as follows:
i. 
Materials and methods of application used for recovering or replacing an existing roof covering shall comply with the requirement of Chapter 15, as amended. Reroofing includes any repairs of more than ten percent (10%) or less of the total roof covering any three-year period. A repair of ten percent (10%) or less of the total roof covering in any three-year period may utilize approved roofing materials comparable to the existing roofing materials.
Exception:
A. 
Reroofing shall not be required to meet the minimum design slope requirement of one-quarter unit vertical in twelve (12) units horizontal (two-percent slope) in Section 1507 for roofs that provide positive roof drainage.
C. 
The 2012 edition of the International Residential Code, including appendixes E, G, H, J, M, O, and P and its most current errata as published by the International Code Council is hereby adopted and incorporated in this Chapter as fully as if set forth herein, except only such parts or portions thereof as are specifically added or amended as follows:
[Ord. No. 1868, 4-3-2017]
1. 
Table R301.2(1), Climatic and geographic design criteria, shall include the following data:
[Ord. No. 1938, 4-1-2019[1]]
Ground Snow Load: Twenty (20) pounds per square foot.
Wind Speed: Ninety (90) miles per hour.
Seismic Design Category: A.
Weathering: Severe.
Frost Line Depth: Thirty-six (36) inches.
Termite: Moderate to Heavy.
Decay: Slight to Moderate.
Winter Design Temperature: Six degrees Fahrenheit (6° F.).
Ice Shield Underlayment Required: Yes.
Flood Hazards: See Article 6, Division 2, of the Unified Development Ordinance.
Air Freezing Index: 927.
Mean Annual Temperature: Fifty-five and five-tenths degrees Fahrenheit (55.5° F.).
[1]
Editor's Note: This ordinance provided an effective date of 6-17-2019.
2. 
Section R302.2, Townhouses, is hereby amended to read as follows:
i. 
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.
ii. 
Exception: A common two-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 to 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.
3. 
Section R302.5.1, Opening protection, is amended to read as follows:
i. 
Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with solid wood doors not less than one and three-eighths (1 3/8) inches (35 mm) in thickness, solid or honeycomb core steel doors not less than one and one-eighth (1 1/8) inches (35 mm) thick, or twenty-minute fire-rated doors, equipped with a self-closing device.
ii. 
Exception: Attic access openings shall not be required to be equipped with a self-closing device.
4. 
Section R303.3, Bathrooms, is hereby amended to read as follows:
i. 
Bathrooms, water closet compartments and other similar rooms shall be provided with aggregate glazing area in windows of not less than three (3) square feet (0.279 m2), one-half of which must be openable.
ii. 
Exception: The glazed areas shall not be required where artificial light and a mechanical ventilation system are provided. The minimum ventilation rates shall be fifty (50) cfm (23.6 L/s) for intermittent ventilation or twenty (20) cfm (9.4 L/s) for continuous ventilation. Ventilation air from the space shall be exhausted directly to the outside or to a roof vent in an attic ventilated in accordance with Section R806. The point of discharge of the exhaust air shall be at least three (3) feet from any opening into the building. Bathrooms which contain only a water closet or lavatory, or combination thereof, and similar rooms, may be ventilated with an approved mechanical recirculating fan or similar device designed to remove odors from the air.
5. 
Section R303.4, Mechanical ventilation, is deleted in its entirety.
6. 
Section R305.1, Minimum height, is hereby amended to read as follows:
i. 
Habitable rooms, hallways, corridors, the required bathroom and/or toilet room, laundry rooms and basements shall have a ceiling height of not less than seven (7) feet (2,134 mm). The required height shall be measured from the finished floor to the lowest projection from the ceiling.
ii. 
Exceptions:
A. 
Beams and girders spaced not less than four (4) feet (1,219 mm) on center may project not more than six (6) inches (152 mm) below the required ceiling height.
B. 
Ceilings in basements without habitable spaces may project to within six (6) feet, eight (8) inches (2,032 mm) of the finished floor; and beams, girders, ducts or other obstructions may project to within six (6) feet, four (4) inches (1,931 mm) of the finished floor.
C. 
Not more than fifty percent (50%) of the required floor area of a room or space is permitted to have a sloped ceiling less than seven (7) feet (2,134 mm) in height with no portion of the required floor area less than five (5) feet (1,524 mm) in height.
D. 
The required bathroom and/or toilet room shall have a minimum ceiling height of six (6) feet eight (8) inches (2,036 mm) over the fixtures and at the front clearance area for fixtures as shown in Figure R307.2. A shower or tub equipped with a showerhead shall have a minimum ceiling height of six (6) feet eight (8) inches (2,036 mm) above a minimum area thirty (30) inches (762 mm) by thirty (30) inches (762 mm) at the showerhead.
7. 
Section R311.3, Floors and landings at exterior door, is hereby amended to read as follows:
i. 
There shall be a landing or floor on each side of the exterior door. The width of each landing shall not be less than the door served. Every landing shall have a minimum dimension of thirty-six (36) inches (914 mm) measured in the direction of travel. Exterior landings shall be permitted to have a slope not to exceed one-quarter (1/4) units vertical in twelve (12) units horizontal [two percent (2%)].
ii. 
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.
B. 
A landing is not required where a stairway of four (4) or fewer risers is located on the exterior side of the door, provided the door does not swing over the stairway and is not the required egress door.
8. 
Section R311.3.2, Floor elevations for other exterior doors, is hereby amended to read as follows:
i. 
Doors other than the required egress door shall be provided with landings or floors not more than seven and three-fourths (7 3/4) inches (196 mm) below the top of the threshold.
ii. 
Exception: A landing is not required where a stairway of four (4) or fewer risers is located on the exterior side of the door, provided the door does not swing over the stairway and is not the required egress door.
9. 
Section R311.7.8.2, Continuity, is hereby amended to read as follows:
i. 
Handrails for stairways shall be provided for the full length of the flight, from a point directly above the top riser of the flight to a point directly above the lowest riser of the flight. Handrail ends shall be returned into a wall or shall terminate in newel posts or safety terminals. Handrails adjacent to a wall shall have a space of not less than one and one-half (1 1/2) inches (38 mm) between the wall and the handrail.
ii. 
Exceptions:
A. 
Handrails shall be permitted to be interrupted by a newel post.
B. 
The use of a volute, turnout, starting easing or starting newel shall be allowed over the lowest tread.
10. 
Section R313, Automatic fire sprinkler systems, is hereby amended to read as follows:
i. 
A builder of a one- and two-family dwelling or townhouse 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 one- and two-family dwelling or townhouse. Notwithstanding any other provision of law to the contrary, no purchaser of such one- and two-family dwelling or townhouse shall be denied the right to install a fire sprinkler system in such dwelling or townhouse being purchased. The provisions of this Section, which are intended to mirror the requirements of Section 67.281, RSMo., shall expire on December 31, 2024.
11. 
Section R313.1, Townhouse automatic fire sprinkler systems, is hereby deleted in its entirety.
12. 
Section R313.2, One- and two-family dwelling automatic fire systems, is hereby deleted in its entirety.
13. 
Section R315.3, Where required in existing dwellings, is hereby amended to read as follows:
i. 
When alterations, repairs or additions requiring a permit occur, or when one (1) or more sleeping rooms are added or created in existing dwellings with attached garages or in existing dwellings within which fuel-burning appliances exist, the individual dwelling unit shall be equipped with carbon monoxide alarms in accordance with Section R315.1.
ii. 
Exceptions:
A. 
Work involving the exterior surfaces of dwellings, such as the replacement of roofing or siding, or the addition or replacement of windows or doors, or the addition of a porch or deck, are exempt from the requirements of this Section.
B. 
Installation, alteration or repairs of plumbing, mechanical or electrical systems are exempt from the requirements of this Section.
14. 
Section R317.1.1, Field treatment, is hereby deleted in its entirety.
15. 
Section R318.1.2, Field treatment, is hereby deleted in its entirety.
16. 
Section R324, Physical security, is amended to read as follows:
i. 
R324.1 Purpose. The purpose of this Section is to establish minimum standards that incorporate physical security to make dwelling units resistant to unlawful entry.
ii. 
R324.1.1 Scope. This Section shall apply to all exterior doors providing direct access into a dwelling unit, where the exterior door is accessible from grade.
A. 
Exceptions:
a. 
Vehicle access doors.
b. 
Storm or screen doors.
iii. 
R324.2 Doors. Doors shall comply with Sections R324.2.1 through R324.2.3.
iv. 
R324.2.1 Wood doors. Wood doors shall be of solid-core construction such as high-density particleboard, solid wood, or wood-block core with minimum nominal thickness of one and three-fourths (1 3/4) inches at any point.
A. 
Exception: Solid wood panels shall be a minimum of one (1) inch thick. The tapered portion of the panel that inserts into the groove of the door shall be a minimum of one-fourth (1/4) inch thick. The groove shall be a minimum of one-half (1/2) inch in depth.
v. 
R324.2.2 Steel doors. Steel doors shall be a minimum nominal thickness of one and three-fourths (1 3/4) inches and shall have a minimum skin thickness of twenty-four-gauge.
vi. 
R324.2.3 Fiberglass doors. Fiberglass doors shall be a minimum nominal thickness of one and three-fourths (1 3/4) inches and shall have a minimum skin thickness of one-sixteenth (1/16) inch.
vii. 
R324.3 Door frames. Door frames shall comply with Sections R324.3.1 through R324.3.4 and shall be installed in accordance with the manufacturer's instructions. Door frames shall be installed prior to rough-in inspection.
viii. 
R324.3.1 Wall framing at door openings. Door frames shall be set in openings constructed with double studs on each side. Doors with sidelights shall have double-stud construction on each side of the door and on each side of the sidelight(s). Horizontal blocking shall be placed between studs at the door lock height for three (3) stud spaces on each side of the door opening.
A. 
Exception: Installations provided with alternative reinforcing methods as approved by the Building Official where it is determined that such alternative methods are at least the equivalent of that prescribed with respect to strength and safety.
ix. 
R324.3.2 Wood frames. Door jambs shall be a minimum nominal thickness of three-fourths (3/4) inch and shall be installed with solid backing in a manner so no void exists between the strike side of the jamb and the frame opening for a vertical distance of twelve (12) inches each side of the strike. Filler material shall consist of solid-wood blocking.
A. 
Exception: Installations provided with alternative reinforcing methods as approved by the Building Official where it is determined that such alternative methods are at least the equivalent of that prescribed with respect to strength and safety.
x. 
R324.3.3 Steel frames. Steel door frames shall be constructed of eighteen-gauge or heavier steel with reinforcement at the hinges and strikes. Steel frames shall be anchored to the wall in accordance with manufacturer's specifications.
xi. 
R324.3.4 Sliding doors. Sliding-door assemblies shall be installed to prevent the removal of panels and the glazing from the exterior. Shims or screws shall be installed in the upper track of doors that slide on the bottom track, or doors shall be provided with equivalent protection as approved by the Building Official.
xii. 
R324.4 Door hardware. Door hardware shall comply with Sections R324.4.1 through R324.4.6.
xiii. 
R324.4.1 Hinges. Hinges for swinging doors shall comply with the following:
A. 
A minimum of three (3) four-inch hinges shall be installed on each swinging door.
B. 
Each hinge shall be attached to the frame with at least two (2) screws, not less than three (3) inches in length and penetrating at least one (1) inch into the nearest stud. Solid-wood fillers or shims shall be used to eliminate any space between the wall structure and door frame behind each hinge.
a. 
Exception: Installations provided with alternative reinforcing methods as approved by the Building Official where it is determined that such alternative methods are at least the equivalent of that prescribed with respect to strength and safety.
C. 
Hinges for out-swinging doors shall be equipped with mechanical interlock to preclude the removal of the door from the exterior.
xiv. 
R324.4.2 Locks. Swinging doors shall be provided with a single-cylinder deadbolt locking device (keyed on exterior only) with a minimum projection of one (1) inch. The deadbolt shall penetrate at least three-fourths (3/4) inch into the strike receiving the projected bolt. All deadbolts shall meet ANSI grade 2 specifications.
A. 
Exception: Doors with integral multipoint locking devices.
xv. 
R324.4.3 Strike plates. The deadbolt plate shall be a minimum of eighteen-gauge metal with four (4) offset screw holes. The strike plate shall be attached to the door jamb with four (4) screws not less than three (3) inches in length, and penetrating at least one (1) inch into the nearest stud.
A. 
Exception: Installations provided with alternative reinforcing methods as approved by the Building Official where it is determined that such alternative methods are at least the equivalent of that prescribed with respect to strength and safety.
xvi. 
R324.4.4 Door edge protector. A metal L-shaped or U-shaped door edge protector shall be installed around the bolt projection of the deadbolt to protect the door's edge or equivalent as approved by the Building Official.
xvii. 
R324.4.5 Double doors. The inactive leaf of a double swinging door shall be provided with flush bolts having an engagement of not less than one (1) inch into the head and threshold of the door frame.
xviii. 
R324.4.6 Sliding doors. All sliding-glass doors shall be equipped with a secondary locking device consisting of a metal pin, a surface-mounted bolt assembly, or other equivalent device as approved by the Building Official. Where used, metal pins shall be installed at the intersection of the inner and outer panels of the inside door and shall not penetrate the frame's exterior surface.
xix. 
R324.5 Entry vision and glazing. All main or front entry doors to dwelling units shall be arranged so that the occupant has a view of the area immediately outside the door without opening the door. The view may be provided by a door viewer having a field of view not less than one hundred eighty degrees (180°) or through windows or view ports.
xx. 
R324.6 Exterior lighting. In addition to the lighting outlet requirements of Article IV of this Chapter, exterior lighting shall be provided in accordance with this Section.
xxi. 
R324.6.1 Front and street side exterior lighting. All doors shall be protected with a minimum of one (1) lighting outlet providing a minimum of sixty (60) watt lighting (or energy-efficient equivalent).
xxii. 
R324.6.2 Lighting protection. Lighting outlets required by this Section shall be located a minimum of eight (8) feet above grade or adjacent walking surface accessible from grade, or shall be of a type manufactured such that the light bulb is not readily accessible.
17. 
Section R403.1, General, is hereby amended to read as follows:
i. 
All exterior walls shall be supported on continuous solid or fully grouted masonry or concrete footings, wood foundations, or other approved structural systems which shall be of sufficient design to accommodate all loads according to Section R301 and to transmit the resulting loads to the soil within the limitations as determined from the character of the soil. Footings shall be supported on undisturbed natural soils or engineered fill.
ii. 
Exception: One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses, provided the floor area does not exceed one hundred twenty (120) square feet, and the structure is associated with one- or two-family dwelling units or townhouses.
18. 
Section R403.1.1.1, Footing reinforcement, is hereby amended to read as follows:
i. 
Footings for basement foundation walls shall have a minimum reinforcement consisting of not less than two (2) No. 4 bars, uniformly spaced, located a minimum of three (3) inches clear from the bottom and edges of the footing.
19. 
Section R404.1.3, Design Required, is hereby amended to read as follows:
i. 
A design in accordance with accepted engineering practice shall be provided for concrete or masonry foundation walls when any of the following conditions exist:
A. 
Walls are subject to hydrostatic pressure from groundwater.
B. 
Walls supporting more than forty-eight (48) inches (1,219 mm) of unbalanced backfill that do not have permanent lateral support at the top and bottom.
C. 
Foundation walls over ten (10) feet in height measured from the top of the footing to the top of the wall.
20. 
Section R404.1.7, Backfill placement, is hereby amended to read as follows:
i. 
Backfill shall not be placed against the wall until the wall has sufficient strength or has been sufficiently braced to prevent damage by the backfill.
ii. 
Exception: Such bracing is not required for walls supporting less than four (4) feet (1,219 mm) of unbalanced backfill.
21. 
Section R405.2.3, Drainage system, is hereby amended to read as follows:
i. 
A sump shall be provided to drain the porous layer, footings, and foundations that retain earth and enclose habitable or usable space located below grade that do not drain and discharge by gravity to an approved storm sewer system or to daylight. The sump shall be at least twenty-four (24) inches (610 mm) in diameter or twenty (20) inches square (0.0129 m2), shall extend at least twenty-four (24) inches (610 mm) below the bottom of the basement floor and shall be capable of positive gravity or mechanical drainage to remove any accumulated water. Sumps receiving stormwater from any exposed exterior drain(s) or opening(s) shall be provided with backup system(s) capable of assuring proper sump operation in case of power failure. The drainage system shall discharge into an approved storm sewer system or to daylight.
22. 
Section R506.2.3, Vapor retarder, is amended to read as follows:
i. 
A six-mil. (0.006 inch) polyethylene or approved vapor retarder with joints lapped not less than six (6) inches (152 mm) shall be placed between the concrete floor slab and the prepared subgrade where no base course exists.
ii. 
Exceptions: The vapor retarder may be omitted:
A. 
From garages, utility buildings and other unheated accessory structures.
B. 
From driveways, walks, patios and other flatwork not likely to be enclosed and heated at a later date.
C. 
Where approved by the Building Official, based on local site conditions.
23. 
Section R506.2.5, Interior underslab drains, is hereby amended to read as follows:
i. 
Where foundations retain earth and enclose habitable or usable space located below grade, drains shall be provided below the floor slab. Drainage tiles, perforated pipe or other approved systems or materials shall be installed at or below the area(s) to be protected; shall be placed with positive or neutral slope to minimize the accumulation of deposits in the drainage system; and shall discharge by gravity or mechanical means to an approved stormwater drainage system. The underslab drainage system shall be installed around the inner perimeter of the area(s) to be protected or in a manner that will provide adequate drainage for all area(s) to be protected and is approved by the Building Official. Interior underslab drains installed on uncompacted fill material shall be supported by mechanical means which are adequately tied into the concrete slab to ensure proper drainage throughout the underslab drain(s).
24. 
Section R907.1, General, is hereby amended to read as follows:
i. 
Materials and methods of application used for recovering or replacing an existing roof covering shall comply with the requirements of Chapter 9 as amended. Reroofing includes any repairs of more than ten percent (10%) of the total roof covering in any three-year period. A repair of ten percent (10%) or less of the total roof covering in any three-year period may utilize approved roofing materials comparable to the existing roofing materials.
ii. 
Exception: Reroofing shall not be required to meet the minimum design slope requirement of one-fourth (1/4) unit vertical in twelve (12) units horizontal (two-percent slope) in Section R905 for roofs that provide positive roof drainage.
25. 
Section R907.3, Recovering versus replacement, is hereby amended to read as follows:
New roof coverings shall not be installed without first removing existing roof coverings where any of the following conditions occur:
i. 
Where the existing roof or roof covering is water-soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing.
ii. 
Where the existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile.
iii. 
Where the existing roof has two (2) or more applications of any type of roof covering.
iv. 
For asphalt shingles, when the building is located in an area subject to moderate or severe hail exposure according to Figure R907.3.
Figure R907.3 Hail Exposure Map
26. 
Chapter 11 of the 2012 edition of International Residential Code is hereby deleted in its entirety and replaced with Chapter 11 of the 2009 International Residential Code.
27. 
Chapter 12 of the 2012 edition of the International Residential Code is hereby deleted in its entirety.
28. 
Section M1501.1, Outdoor discharge, is hereby amended to read as follows:
i. 
The air removed by every mechanical exhaust system shall be discharged to the outdoors. Air shall not be exhausted into an attic, soffit, ridge vent or crawl space.
ii. 
Exceptions:
A. 
Whole-house ventilation-type attic fans that discharge into the attic space of dwelling units having private attics shall be permitted.
B. 
Bathroom exhaust fans installed in accordance with amended Section R303.3.
29. 
Section M1502.4.5, Length identification, is hereby deleted in its entirety.
30. 
Section M1507.2, Recirculation of air, is hereby amended to read as follows:
i. 
Exhaust air from bathrooms and toilet rooms shall not be recirculated within a residence or to another dwelling unit and shall be exhausted in accordance with amended Section R303.3.
31. 
Section M1602.2, Prohibited sources (Return Air), Item 4, Exception No. 2, is hereby amended to add the following: Closets with a minimum floor area of seventy (70) square feet and minimum interior dimension of seven (7) feet, and that are conditioned by a source of air supply.
32. 
Section G2414.5, Metallic tubing, is hereby amended to read as follows:
i. 
Seamless copper, aluminum alloy or steel tubing shall not be utilized for the distribution of fuel gas.
ii. 
Exception: Corrugated stainless steel tubing as referenced in Section 2414.5.3.
33. 
Section G2414.5.2, Copper tubing, is hereby amended to read as follows:
i. 
Copper tubing shall comply with standard Type K or L of ASTM B 88 or ASTM B 280. Copper and brass tubing shall not be utilized to distribute natural gas nor shall it be utilized to distribute any other fuel gas within a building or structure.
34. 
Section G2417.4.1, Test pressure, is hereby amended to read as follows:
i. 
The test pressure to be used shall be not less than one and one-half (1 1/2) times the proposed maximum working pressure, but not less than ten (10) psig (68.9 kPa), irrespective of design pressure. For welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure, the test pressure shall not be less than sixty (60) psig. Where the test pressure exceeds one hundred twenty-five (125) psig (862 kPa gauge), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than fifty percent (50%) of the specified minimum yield strength of the pipe.
35. 
Chapter 25, Plumbing administration, of the 2012 edition of the International Residential Code, is deleted in its entirety.
36. 
Section P2601.2.1, Prohibited drainage and connections, is hereby added to read as follows:
i. 
Sanitary sewer systems shall be designed, built and maintained in such a manner to prevent all storm- or groundwater from draining, discharging or entering into the sanitary sewer system. Connection of sump pumps, foundation drains, yard drains, gutter downspouts and any other stormwater drainage receptacle(s) or system(s) are specifically prohibited from being connected to the sanitary sewer system.
37. 
Section P2602.1.1. is hereby added to read as follows:
i. 
For the purpose of this Section, "available" means located in a public way or easement abutting the subject property and within three hundred (300) feet of the proposed building.
38. 
Section P2603.5, Freezing, is hereby amended to read as follows:
i. 
Water, soil or waste pipe shall not be installed outside of a building, in exterior walls, in attics or crawl spaces, or in any other place subjected to freezing temperature unless adequate provision is made to protect it from freezing by insulation or heat or both. Water service pipe shall be installed not less than forty-two (42) inches in depth below grade.
39. 
Section P2603.5.1, Sewer depth, is hereby amended to read as follows:
i. 
Building sewers shall be a minimum of twelve (12) inches below grade.
40. 
Section P2604.5, Inspection, is hereby amended to read as follows:
i. 
Excavations required for the installation of a building drainage system shall be open trench work and shall be kept open until the piping has been inspected and approved to cover.
41. 
Section P2902.5.3, Lawn irrigation systems, is hereby amended to read as follows:
i. 
The potable water supply to lawn irrigation systems shall be protected against backflow by a device approved by the Missouri Department of Natural Resources. Backflow devices installed within structures shall be installed a minimum of six (6) inches away from any wall or vertical obstruction. The backflow device shall be installed between twelve (12) inches and forty-eight (48) inches above the floor and shall be accessible.
42. 
Section P2902.6.2, Protection of backflow preventers, is amended to read as follows:
i. 
Backflow preventers shall not be located in areas subject to freezing except where they can be removed by means of unions, or are protected by heat, insulation or both.
ii. 
Exception: In-ground backflow preventers installed for lawn-irrigation systems.
43. 
Section P3002.2, Building sewer, is amended to read as follows:
i. 
Building sewer piping shall be as shown in Table P3002.2. Forced-main sewer piping shall conform to one (1) of the standards for ABS plastic pipe, cast-iron pipe, copper or copper-alloy tubing, PVC plastic pipe, or pressure-rated pipe listed in Table P3002.2. In addition, building sewer piping shall be a minimum of Schedule 40 PVC/ABS or equivalent unless otherwise approved by the Building Official.
44. 
Section P3005.4.2, Building drain and sewer size and slope, is amended to read as follows:
i. 
Pipe sizes and slope shall be determined from Table P3005.4.2 on the basis of drainage load in fixture units (dfu) computed from Table P3004.1. The minimum size of a building sewer serving a dwelling unit shall be four (4) inches.
45. 
Section P3008.1, Sewage backflow, is hereby deleted in its entirety.
46. 
Section P3114.3, Where permitted, is amended to read as follows:
i. 
Vents may terminate to an air admittance valve under the following conditions:
A. 
For sinks located where there is no wall accessible from the sink location (ex., island sinks); or where access to the vent system would require notching or boring of studs in excess of the limitations of Section R602.6.
B. 
In existing construction, where the existing vent system is not accessible to the fixture location without the removal of finish materials or other existing construction.
47. 
Section E3902.2, Garage and accessory building receptacles, is hereby amended to read as follows:
i. 
All 125-volt, single-phase, fifteen- and twenty-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.
ii. 
Exceptions:
A. 
Receptacles that are not readily accessible such as a ceiling-mounted receptacle for a garage door opener.
B. 
A single receptacle supplied by a dedicated branch circuit that is located and identified for a specific use by a cord-and-plug-connected appliance such as a refrigerator, freezer or sump pump.
C. 
A receptacle supplying only a permanently installed fire alarm or burglar alarm system.
48. 
Section E3902.5, Unfinished basement receptacles, is hereby amended to read as follows:
i. 
All 125-volt, single-phase, fifteen- and twenty-ampere receptacles installed in unfinished basements shall have ground-fault circuit-interrupter protection for personnel. For the 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 the like.
ii. 
Exceptions:
A. 
Receptacles that are not readily accessible such as a ceiling-mounted receptacle for a garage door opener.
B. 
A single receptacle supplied by a dedicated branch circuit that is located and identified for a specific use by a cord-and-plug-connected appliance such as a refrigerator, freezer or sump pump.
C. 
A receptacle supplying only a permanently installed fire alarm or burglar alarm system.
49. 
Section E902.12, Arc-fault circuit-interrupter protection, is amended to read as follows:
i. 
All branch circuits that supply 120-volt, single-phase, fifteen- and twenty-ampere outlets installed in bedrooms shall be protected by a combination type or branch/feeder type arc-fault circuit interrupter installed to provide protection of the entire branch circuit.
ii. 
Exceptions:
A. 
Where an outlet branch-circuit type AFCI is installed at the first outlet to provide protection for the remaining portion of the branch circuit, the portion of the branch circuit, the portion of the branch circuit between the branch-circuit overcurrent device and the first outlet shall be installed with metal outlet and junction boxes and RMC, IMC, EMT, type MC, or steel armored type AC cables meeting the requirements of Section E3908.8.
B. 
Where an outlet-branch circuit-type AFCI is installed at the first outlet to provide protection for the remaining portion of the branch circuit, the portion of the branch circuit between the branch-circuit overcurrent device and the first outlet shall be installed with metal or non-metallic conduit or tubing that is incased in not less than two (2) inches (51 mm) of concrete.
C. 
AFCI protection is not required for an individual branch circuit supplying only a fire alarm system where the branch circuit is wired with metal outlet and junction boxes and RMC, IMC, EMT or steel-sheathed cable Type AC, or Type MC meeting the requirements of Section E3908.8.
50. 
Section E4002.14, Tamper-resistant receptacles, is hereby deleted in its entirety.
D. 
The 2012 edition of the International Fuel Gas Code, and its most current errata as published by the International Code Council, is hereby adopted and incorporated in this Chapter as if fully set forth herein excepting only such parts or portions thereof as are specifically added or amended as follows:
1. 
Chapter 1, Administration, is deleted in its entirety and replaced with the applicable provisions of the Code of Ordinances of the City of Oak Grove.
2. 
Section 403.4.3, Copper and brass, is hereby amended to read as follows:
i. 
Copper and brass tubing shall not be utilized to distribute fuel gas.
3. 
Section 403.4.4, Aluminum, is hereby amended to read as follows:
i. 
Aluminum or aluminum alloy tubing shall not be utilized for the distribution of fuel gas.
4. 
Section 403.5.1, Steel tubing, is hereby amended to read as follows:
i. 
Steel tubing shall not be utilized to distribute natural gas nor shall it be utilized to distribute any other fuel gas within a building or structure.
5. 
Section 403.5.2, Copper and brass tubing, is hereby amended to read as follows:
i. 
Copper and brass tubing shall not be utilized to distribute natural gas nor shall it be utilized to distribute any other fuel gas within a building structure.
6. 
Section 403.5.3, Aluminum tubing, is hereby amended to read as follows:
i. 
Aluminum tubing shall not be utilized to distribute natural gas nor shall it be utilized to distribute any other fuel gas within a building or structure.
7. 
Section 406.4.1, Test pressure, is hereby amended as follows:
i. 
The test pressure to be used shall be not less than one and one-half (1 1/2) times the proposed maximum working pressure, but not less than ten (10) psig (68.9 kPa) irrespective of design pressure. For welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure, the test pressure shall not be less than sixty (60) psig. Where the test pressure exceeds one hundred twenty-five (125) psig (862 kPa), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than fifty percent (50%) of the specified minimum yield strength of the pipe.
E. 
The 2012 edition of the International Mechanical Code, and its most current errata as published by the International Code Council, is hereby adopted and incorporated in this Chapter as if fully set forth herein excepting only such parts or portions thereof as are specifically added or amended as follows:
1. 
Chapter 1, Administration, is hereby deleted and replaced with the applicable provisions of the Code of Ordinances of the City of Oak Grove.
F. 
The 2012 edition of the International Plumbing Code, and its most current errata as published by the International Code Council, is hereby adopted and incorporated in this Chapter as fully as if set forth herein, excepting only such parts or portions thereof as are specifically added or amended.
1. 
Chapter 1, Administration, is hereby deleted and replaced with the applicable provisions of the Code of Ordinances of the City of Oak Grove.
2. 
Section 305.4.1, Sewer dept., is hereby amended to read as follows:
i. 
Building sewers shall be installed a minimum of twelve (12) inches (304.8mm) below grade.
3. 
Section 312.10, Inspection and testing of backflow prevention assemblies, is hereby amended as follows:
i. 
Inspection and testing of backflow prevention assemblies shall be in accordance with the policies prescribed by the Water Utilities Department of the City of Oak Grove, Missouri.
4. 
Section 403.4.1, Directional signage, is hereby deleted in its entirety.
5. 
Section 410.3, Substitution, is hereby amended to read as follows:
i. 
Where restaurants provide drinking water in a container free of charge, drinking fountains shall not be required in those restaurants. In other occupancies, where drinking fountains are required, water coolers, bottled water dispensers or break rooms with a kitchen sink shall be permitted to be substituted for the required drinking fountains.
6. 
Section 608.14.2, Protection of backflow preventers, is hereby amended to read as follows:
i. 
Backflow preventers shall not be located in areas subject to freezing except where they can be removed by means of unions or are protected from freezing by heat insulation or both.
ii. 
Exception: in-ground backflow devices for lawn irrigation systems.
7. 
Section 715.1, Sewage backflow, is hereby deleted in its entirety.
8. 
Section 918.1, General, is hereby amended to read as follows:
i. 
Vents may terminate to an air admittance valve under the following conditions:
A. 
For sinks located where there is no wall accessible from the sink location (ex., island sinks); or where access to the vent system would require notching or boring of studs in excess of the limitations of Section R602.6.
B. 
In existing construction, where the existing vent system is not accessible to the fixture location without the removal of finish materials or other existing construction.
9. 
Section 1002.4, Trap seals, is hereby amended to read as follows:
i. 
Each fixture trap shall have a liquid seal of not less than two (2) inches (51 mm) and not more than four (4) inches (102 mm), or deeper for special designs relating to accessible fixtures. Where a trap seal is subject to loss by evaporation, a deep-seal trap consisting of a four-inch (102 mm) seal or a trap seal primer valve shall be installed. A trap seal primer valve shall conform to ASSE 1018 or ASSE 1044.
10. 
Section 1101.3, Prohibited drainage, is hereby amended to read as follows:
i. 
Stormwater shall not be drained into sewers intended for sewage only. Sanitary sewer systems shall be designed, built and maintained in such a manner to prevent all storm- or groundwater from draining, discharging or entering into the sanitary sewer system. Connection of sump pumps, foundation drains, yard drains, gutter downspouts and any other stormwater drainage receptacle(s) or system(s) are specifically prohibited from being connected to the sanitary sewer system.
G. 
The 2011 edition of the National Electrical Code as published by the National Fire Protection Association (NFPA No. 70-2011) is hereby adopted and incorporated in this Chapter as fully as if set forth herein, excepting only such parts or portions thereof as are specifically added or amended as follows:
1. 
Section 210.8(A)(2), Ground fault circuit-interrupter protection, is hereby amended to read as follows:
i. 
Garages, and also accessory buildings that have a floor located at or below grade level not intended as habitable rooms and limited to storage areas, work areas, and areas of similar use.
ii. 
Exceptions:
A. 
Receptacles that are not readily accessible such as a ceiling-mounted receptacle for a garage door opener.
B. 
A single receptacle supplied by a dedicated branch circuit that is located and identified for a specific use by a cord-and-plug-connected appliance such as a refrigerator, freezer or sump pump.
C. 
A receptacle supplying only a permanently installed fire alarm or burglar alarm system.
2. 
Section 210.8(A)(5), Ground-fault circuit-interrupter protection for personnel, is hereby amended as follows:
i. 
Unfinished basements. For purposes of this Section, unfinished basements are defined as portions or areas of the basement not intended as habitable rooms and limited storage areas, work areas, and the like.
ii. 
Exceptions:
A. 
Receptacles that are not readily accessible such as a ceiling-mounted receptacle for a garage door opener.
B. 
A single receptacle supplied by a dedicated branch circuit that is located and identified for a specific use by a cord-and-plug-connected appliance such as a refrigerator, freezer or sump pump.
C. 
A receptacle supplying only a permanently installed fire alarm or burglar alarm system.
3. 
Section 210.12, ARC-fault circuit interrupter protection, is hereby amended as follows:
i. 
Dwelling units. All one hundred twenty (120) volt, single-phase, fifteen- and twenty-ampere branch circuits supplying outlets installed in dwelling unit bedrooms shall be protected by a listed arc-fault circuit-interrupter-type, installed to provide protection of the branch circuit.
ii. 
Remaining section to remain as written.
4. 
Section 406.12, Tamper-resistant receptacles in dwelling units, is hereby deleted in its entirety.
H. 
Any person who shall violate a provision of one (1) of the adopted technical codes or shall otherwise fail to comply with any of the requirements thereof, or who shall erect, construct, alter, extend, repair, remove, demolish, use or occupy any building, structure or premise or equipment regulated by this Code in violation of an approved construction document or directive of the Code Official, or of a permit, license or certificate issued under the provisions of one (1) of the adopted technical codes, shall, upon conviction thereof, be punished by a fine pursuant to Section 100.220(E)(2) of this Code. Each day that a violation continues shall constitute a separate and distinct offense.
[Ord. No. 1855, 9-6-2016]
[Ord. No. 1380 §§1 — 2, 12-16-2002; Ord. No. 1446 §1, 6-21-2004; Ord. No. 1845, 6-20-2016]
A. 
The fee for each building permit shall be as set forth below:
BUILDING CONSTRUCTION FEE SCHEDULE
Building Valuation published by the International Code Council
Residential Permit Cost: $4.00 per $1,000.00 of Estimated Value of Work
Value Per Square Foot
$95.00
Residential living space including 2 car garage
$40.00
Garage (detached and any more than 2 car garage @ 440 sq. ft.)
$30.00
Finished basement area of new home
$30.00
Finished basement area on existing home
$15.00
Unfinished basement
$40.00
Accessory buildings/decks
Plan review fee: $25.00
Final inspection fee: $25.00
Minimum permit fee: $25.00
In ground pool: $4.00 per thousand dollars cost of job
SET FEE AND SUBCONTRACTORS PERMIT FEES
Electrical permit fee: for each service: any work up to 200 amp service $25.00; 400 amp service $35.00; 800 amp service $45.00; any service over 800 amps $55.00
Mechanical permit fee: up to 100,000 BTU/HR $25.00; over 100,000 BTU/HR $35.00; a suspended, recessed, floor or room heater $25.00; air handling/condensing unit $25.00; furnace/AC single-family home $25.00
Plumbing permit fee: $25.00 up to 12 traps $2.50 per trap for any over 12; hot water heater or boiler $25.00
Fence permit fee: $25.00
Roof permit fee: $25.00
Above ground swimming pool permit fee: $25.00
Driveway permit fee: $35.00
Erosion Control fee: $100.00 (refundable after the issuance of a Certificate of Occupancy)
Water deposit fee: $50.00
Sewer Connection fee: 5/8" x 3/4" $2,500.00; 3/4" $3,125.00; 1" $5,000.00; any larger connection see Sewer Connection Fee Schedule
Water Connection fee: 5/8" x 3/4" $850.00; 3/4" $1,063.00; 1" $1,700.00, plus $30.00 inspection fee. Any larger connection see Water Connection Fee Schedule
COMMERCIAL PERMIT COST: $4.00 per $1,000.00 of Estimated Value of Work
Value $ per sq. ft.
See International Code Council Valuation Schedule for Occupancy Classification and Construction Type to set value.
Plan review fee: $0.25 per $1,000.00 of Estimated Value of Work
Final inspection fee: $50.00 including and up to 10,000 sq. ft.; $100.00 over 10,000 sq. ft.
B. 
The determination of value or valuation shall be made by the Building Official. The value to be used in computing the building permit and building plan review fees shall be the total value of all construction work for which the permit is issued, as well as all finish work, painting, roofing, electrical, plumbing, heating, air-conditioning, elevators, fire extinguishing systems and any other permanent equipment. All fees shall be rounded off to the next whole dollar amount. Fees may be waived at the discretion of the City Administrator in times of emergency. Fees may be waived by the Board of Aldermen for public schools and for charitable, not-for-profit entities that receive and accept the appropriation of money from a public governmental body.