CHAPTER 4. BUILDING, CONSTRUCTION, AND INSTALLATIONSCHAPTER 4. BUILDING, CONSTRUCTION, AND INSTALLATIONS\Article 3. Residential Construction

There is hereby adopted by reference by the City of Haysville, Kansas, for the purpose of establishing standards for the safety, health, and public welfare, the International Residential Code, for One and Two Family Dwellings, 2018 Edition, as published by the International Code Council, 5203 Leesburg Pike, Suite 708 Falls Church, Virginia, 22041, and such amendments as set forth in that Resolution of the Board of County Commissioners of Sedgwick County, Kansas, of August 15, 2018, (Res. No. 120-2018), to be made effective August 15, 2018, including all fee schedules unless otherwise set forth within Chapter 17 of this Code, and such Resolution is incorporated by reference herein. Any reference to the International Building Code shall be understood to be a reference to the Commercial Building Code. Any reference to the International Residential Code and all amendments, shall hereafter, including those amendments provided for within Article 12, be understood to reference the Residential Building Code of the City of Haysville, Kansas, as described herein.

(K.S.A. 12-3009; Ord. 581; Ord. 419, Sec.3; Code 1984; Code 2003, Ord. 887, Code 2011)

One copy of said code along with the amendments set forth in that Resolution of the Board of County Commissioners of Sedgwick County, Kansas, as described within section 4-301 above, have been and are now filed in the office of the City Clerk and the said code is adopted and incorporated as if fully set out herein at length as authorized in the manner provided by K.S.A. 12-3009, et seq.

(Code 2011)

Any person who shall violate the provision of this the Residential Building Code as adopted by this Article or shall fail to comply with any of the requirements thereof, or who shall act in violation of the approved plan or directive of an official or of a permit or certificate issued under the provisions of this code shall be prosecuted as set forth in Section 113 et seq. of the International Residential Code as amended herein, and/or Section 4-112 of this Chapter, such prosecution to be within the Municipal Court of the City of Haysville, Kansas. Each day of violation shall be a separate violation. Furthermore, such person may be required to repair, remove, or correct any violation, and pay all costs associated therewith.

(Code 2011)

The imposition of the penalties herein prescribed shall not preclude the City from instituting an appropriate action to restrain, correct, or abate a violation of this Article, and specific authority for such is hereby granted to take any action or imposing any penalty allowed by State law, this code, or this Article.

(Code 2011)

Enforcement of this code within the boundaries of the City shall be by the Code Enforcement Official(s) designated by the Director of Public Works. Prosecution of any violations of this code shall be in the Haysville Municipal Court, and shall be in conformance with the City’s general penalty clause set forth in Chapter 1, Section 1-121 of this Code.

(Code 2011)

Requirements of this code and Article shall not be construed as imposing on the City, its officers, agents, or employees, any liability or responsibility for any damages to any property or any injury to any person due to defective installation or any other reason.

(Code 2011)

If any part or parts of this Article shall be held to be invalid such invalidity shall not affect the validity of the remaining part of this Article.

(Code 2011)

Those provisions of the Wichita-Sedgwick County Unified Building and Trade Code, as adopted through Article 12 below, applicable to the Residential Building Code are found in Article 2, Section 4 of the Wichita-Sedgwick County Unified Building and Trade Code, except as supplemented herein.

The following provisions are supplemental to and additional to the Residential Building Code as adopted by the City of Haysville. These provisions shall supplement the associated provisions and shall be inspected.

Section R105.2 of the International Residential Code shall be amended as follows:

R105.2 Work exempt from permit: Exemption from permit requirements of this Code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this Code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:

BUILDING:

(1)   One-story detached accessory structures classified as Group S or U occupancies, with a floor area less than 100 square feet and the structure location is not impermissibly located in a floodplain, floodway, easement, setback, or protrude onto a neighboring property.

(2)   All fences constructed within the City are subject to the provisions of Chapter 4, Article 11 of the Code of the City of Haysville, Kansas, governing fences.

(3)   Playhouses or treehouses having single or multi-level with or without roofs.

(4)   Concrete or masonry fences not over 4 feet (1219 mm) in height measured from the bottom of the footing to the top of the wall and other fences 6 feet (1828.8 mm) or less in accordance to the current fence ordinance recognized in Chapter 4 of the current City of Haysville code.

(5)   Signs shall be regulated by the City’s sign regulations (e.g., section 4-1500s).

(6)   Retaining walls that are not over 4 feet (1219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.

(7)   Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons (18,925 L) and the ratio of height to diameter or width does not exceed 2 to 1.

(8)   Sidewalks and driveways not more than 30 inches (762 mm) above adjacent grade and not over any basement or story below.

(9)   Decks, stoops, and porches not more than 30 inches (762 mm) above adjacent grade without overhead structures and not over any basement or story below.

(10) Replacement of floor covering, painting, papering, tiling, carpeting, cabinets, counter tops, paneling and similar finish work.

(11) Prefabricated swimming pools that are less than 24 inches (610 mm) deep that meet the requirements of Chapter 4, Article 9 of the current City of Haysville code.

(12) Swings and other playground equipment accessory to a one or two family dwelling.

(13) Window awnings supported by an exterior wall which do not project more than 54 inches (1372 mm) from the exterior wall and do not require additional support.

(14) Emergency board-up, or securing temporary bracing of a building after a fire, storm, vehicle damage or other disaster which caused the building to be open or unsafe. The building owner or his/her agent may cause such work to be done provided that the City of Haysville is notified the following business day.

(15) Repair or replacement of roofing and/or siding materials not exceeding 400 square feet (37.16 m2) within any 12 month period.

(16) Repair or replacement of interior gypsum wallboard on non-fire rated walls or ceilings when the total area does not exceed 100 square feet (9.29 m2) within any 12 month period and provided that no framing, electrical, mechanical or plumbing changes have been made.

(17) Replacement of windows or doors or replacement of roof skylights or equipment with the same size or smaller unit (s) that does not involve the removal, cutting, alteration or replacement of any building structural member; including but not limited to studs, headers, girders, beams, joists, rafters, cripples, jacks or other supporting framing member (s). The framing used to infill existing openings for the purpose of installing smaller unit (s) shall be exempt from permit requirements. Placements of smaller window or doors shall not reduce the minimum size requirements of escape and rescue openings, or egress door (s) required in Sections R310 and R311 of this code. The replacement door or window shall not be of a lower fire rating than required by this code for any rated wall or assembly.

(18) All swimming pools constructed or installed within the City are subject to the provisions of Chapter 4, Article 9 of the Code of the City of Haysville, Kansas governing swimming pools.

ELECTRICAL:

Exemptions for electrical permits shall be governed by Chapter 4 of the City of Haysville code.

GAS:

(1)   Portable heating, cooking or clothes drying appliances.

(2)   Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.

(3)   Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

MECHANICAL:

(1)   Portable heating appliances.

(2)   Portable ventilation appliances.

(3)   Portable cooling units.

(4)   Steam, hot or chilled water piping within any heating or cooling equipment regulated by this Code.

(5)   Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.

(6)   Portable evaporative coolers.

(7)   Self-contained refrigeration systems containing 10 pounds (4.54 kg) or less of refrigerant or that are actuated by motors of 1 horsepower (746 W) or less.

(8)   Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

The stopping of leaks in drains, water, soil, waste or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, water or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this Code. The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.

Section R105.2.1 of the International Residential Code, is amended as follows:

R105.2.1 Emergency repairs. Where repairs must be performed in an emergency situation, the permit application shall be submitted within the next working business day to the building official.

Section R105.2.2 of the International Residential Code, is amended to read as follows:

R105.2.2 Repairs. Application or notice to the building official is not required for ordinary repairs to structures. Such repairs shall not include the cutting away of any wall, partition or portion thereof, the removal or cutting away of any structural beam or load-bearing support, or removal or change of any required means of egress, or rearrangement of parts of a structure affecting the egress requirements; nor shall ordinary repairs include addition to, alteration of, replacement or relocation of any gas, mechanical or other work affecting public health or general safety.

PERMIT EXPIRATION. Section R105.5 of the International Residential Code is amended to read as follows:

R105.5 Expiration. Every permit issued shall expire unless the work on the site authorized by such permit is commenced within 180 days after its issuance, or if the work authorized on the site by such permit is suspended or abandoned for a period of 180 days after the time the work is commenced. Work shall be considered to have been suspended or abandoned if it has been more than 180 days since the last requested inspection. Before work can be recommenced, the permit must be re-instated. The fee for re-instatement shall be one-half the amount required for a new permit for such work, provided no changes have been made or will be made in the original plans and specifications for such work; and that such suspension or abandonment has not exceeded one year. In order to resume work after suspension or abandonment for a period exceeding one year, a new permit shall be required. The code official is authorized to grant, in writing, one or more extensions of time for periods not more than 180 days each. The extensions shall be requested in writing and justifiable cause demonstrated.

PLACEMENT OF INSPECTION RECORD CARD AND ADDRESS MARKER. Section R105.7 of the International Residential Code is amended to read as follows:

R105.7 Placement of inspection record card and address marker. The inspection record card shall be kept on the site of the work until the completion of the project. Work requiring a permit shall not be commenced until the inspection record card is posted or otherwise made available on the site. The inspection record card shall be maintained and available on site until final inspection approval has been granted by the building official. Work shall not be started until the address meets the requirements of 4-101A of the current city code and is posted in such a position as to be plainly visible and legible from the street or road fronting the site.

FEES.

R108 Fees shall meet the requirements of Chapter 17 of the current City of Haysville city code.

ALTERNATIVE PROVISIONS. Section R301.1.1 of the International Residential Code is amended to read as follows:

R301.1.1 Alternative provisions. As an alternative to the requirements in Section R301.1 the following standards are permitted subject to the limitations of this Code and the limitations therein. Where engineered design is used in conjunction with these standards the design shall comply with the International Building Code.

(1)   American Forest and Paper Association (AAF&PA) Wood Frame Construction Manual (WFCM).

(2)   American Iron and Steel Institute (AISI) Standard for Cold-Formed Steel Framing - Prescriptive Method for One- and Two-Family Dwellings (COFS/PM) with Supplement to Standard for Cold-Formed Steel Framing - Prescriptive Method for One- and Two-Family Dwellings.

(3)   The Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011).

(4)   The City of Wichita Standard for Residential Wood Framed Decks – Deck Standards.

Sec. 2.4.115. - Table R301.2 (1) of the International Residential Code is amended to read as follows:

Table R301.2 (1) Climatic and Geographic Design Criteria. The Climatic and Geographic Design Criteria for building design shall be as provided in Table R301.2 (1).

Table R301.2 (1) of the International Residential Code is amended to read as follows:

 

TABLE R301.2 (1) - SECTION R301, DESIGN CRITERIA

Climatic and Geographic Design Criteria for Sedgwick County, Ks.

Ground Snow Load –   15 psf

Design Temps

Wind Speed (mph) – 76w/90-3 sec. gust

Air Freezing Temp. – 400

Seis. Design Cat. - A

Mean Air Temp. - 55-60 deg.

Weathering – Severe  

Summer - 98 2.5% dry bulb

Frost Line Depth - 24 inches

Winter - 76 2.5% wet bulb

Termite - Mod./Severe

Winter Design Temp. -  97.50% - 7

Ice Barrier - None Required

Heating Degree Days - 4,620

 

Roof

Floor

Dead Load

10 lb. psf

10 lb. psf

Live Load

20 lb. psf

40 lb. psf

For SI: 1 pound per square foot = 0.0479kPa, 1 mile per hour = 0.447 m/s.

a.    Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this Code. The weathering column shall be filled in with the weathering index (i.e., “negligible,” “moderate” or “severe”) for concrete as determined from the Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652.

b.    The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade. For construction of one and two family dwelling habitable spaces, the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011) shall apply.

c.    The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been any history of local subterranean termite damage.

d.    The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2 (4)]. Wind exposure category shall be determined on a site- specific basis in accordance with Section R301.2.1.4.

e.    The outdoor design dry-bulb temperature shall be selected from the columns of 97 ½ - percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be submitted to reflect local climates or local weather experience as determined by the building official.

f.     The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1.

g.    The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the currently effective FIRM and FBFM, or other flood hazard map adopted by the community, as may be amended.

h.    In accordance with Sections R905.2.7.a, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with “YES”. Otherwise, the jurisdiction shall fill in this part of the table with “NO”.

i.     The jurisdiction shall fill in this part of the table with the 100-year return period freezing index (BF-days) from Figure R403.3 (2) or from the 100-year (99%) value on the National Climatic Data Center data table “Air Freezing Index - USA Method (Base 32° Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

j.     The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table “Air Freezing Index - USA Method (Base 32° Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

SEC. 2.4.120. – LIVE LOAD.

Section R301.5 of the International Residential Code, is amended to read as follows:

R301.5 Live load. The minimum uniformly distributed live load shall be as provided in Table R301.5.

TABLE R301.5 - MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS (in pounds per square foot)

USE

LIVE LOAD

Attics with limited storage b, g, h

20

Attics without storage b

10

Guardrails and handrails d

40

Exterior balconies

60

Fire escapes

40

Guardrails and handrails d

200 i

Guardrails in-fill components f

50 a

Rooms other than sleeping rooms

50

Sleeping rooms

40

Stairs

40 c

For SI: 1 pound per square foot = 0.0479 kPa, 1 square inch = 645 mm2, 1 pound = 4.45 N.

a.    Elevated garage floors shall be capable of supporting a 2,000-pound load applied over a 20-square-inch area.

b.    Attics without storage are those where the maximum clear height between joist and rafter is less than 42 inches, or where there are not two or more adjacent trusses with the same web configuration capable of containing a rectangle 42 inches high by 2 feet wide, or greater, located within the plane of the truss. For attics without storage, this live load need not be assumed to act concurrently with any other live load requirements.

c.    Individual stair treads shall be designed for the uniformly distributed live load or a 300- pound concentrated load acting over an area of 4 square inches, whichever produces the greater stresses.

d.    A single concentrated load applied in any direction at any point along the top.

e.    See Section R502.2.1 for decks attached to exterior walls.

f.     Guard in-fill components (all those except the handrail), balusters and panel fillers shall be designed to withstand a horizontally applied normal load of 50 pounds on an area equal to 1 square foot. This load need not be assumed to act concurrently with any other live load requirement.

g.    For attics with limited storage and constructed with trusses, this live load need be applied only to those portions of the bottom chord where there are two or more adjacent trusses with the same web configuration capable of containing a rectangle 42 inches high or greater by 2 feet wide or greater, located within the plane of the truss. The rectangle shall fit between the top of the bottom chord and the bottom of any other truss member, provided that each of the following criteria is met:

1.    The attic area is accessible by a pull-down stairway or framed opening in accordance with Section R807.1;and

2.    The truss has a bottom chord pitch less than 2:12.

h.    Attic spaces served by a fixed stair shall be designed to support the minimum live load specified for sleeping rooms.

i.     Glazing used in handrail assemblies and guards shall be designed with a safety factor of 4. The safety factor shall be applied to each of the concentrated loads applied to the top of the rail, and to the load on the in-fill components. These loads shall be determined independent of one another, and loads are assumed not to occur with any other live load.

302.1 Exterior walls is deleted.

Opening Protection is added to read as follows: Section R302.5.1 of the International Residential Code is amended to read as follows: R302.5.1 Opening protection. 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 1 3/8 inches (35 mm) in thickness, solid or honeycomb- core steel doors not less than 1 3/8 inches (35 mm) thick, or 20-minute fire-rated doors.

HABITABLE ROOMS. Section R303.1 of the International Residential Code is amended to read as follows:

R303.1 Habitable rooms. All habitable rooms shall have an aggregate glazing area of not less than 8 percent of the floor area of such rooms. Natural ventilation shall be through windows, doors, louvers or other approved openings to the outdoor air. Such openings shall be provided with ready access or shall otherwise be readily controllable by the building occupants. The minimum openable area to the outdoors shall not be less than 4 percent of the floor area being ventilated.

Exceptions:

1.    The glazed areas need not be openable where the opening is not required by Section R310 and an approved mechanical ventilation system capable of producing 0.35 air change per hour in the room is installed or a whole-house mechanical ventilation system is installed capable of supplying outdoor ventilation air of 15 cubic feet per minute (cfm) (78 L/s) per occupant computed on the basis of two occupants for the first bedroom and one occupant for each additional bedroom.

2.    The glazed area need not be installed in rooms where Exception 1 above is satisfied and artificial light is provided capable of producing an average illumination of 6 foot-candles (65 lux) of the area of the room at a height of 30 inches (762 mm) above the floor level.

3.    Use of sunroom additions and patio covers, as defined in Section R202, shall be permitted for natural ventilation if in excess of 40 percent of the exterior sunroom walls are open, or are enclosed only by insect screening.

In new dwellings and additions to existing one and two family dwellings, where a new separate heating and/or cooling system is being added to serve, but not necessarily limited to serving the new addition, an outside air duct shall be connected to the main return air duct, prior to filter, of each heating and/or cooling system for the habitable space served. Duct size shall be based on the square footage of habitable space served as follows:

1.    1500 sq. ft. or less: 4 inch diameter or 12.6 square inches.

2.    1501 sq. ft. to 2000 sq. ft. 5 inch diameter or 19.6 square inches.

3.    2001 sq. ft. and larger 6 inch diameter or 28.3 square inches. All areas listed exclude finished basement area. The outside air duct shall be provide with a ¼ inch mesh inlet screen. The outside air duct shall not draw air from contaminated sources.

BATHROOMS. Section R303.3 of the International Residential Code, is amended to read as follows:

R303.3 Bathrooms. Bathrooms, water closet compartments and other similar rooms shall be provided with aggregate glazing area in windows of not less than 3 (0.3 m2) square feet, one- half of which must be openable.

Exceptions:

The glazed areas shall not be required where artificial light and a mechanical ventilation system are provided. The minimum ventilation rates shall be 50 cubic feet per minute (24 L/s) for intermittent ventilation or 20 cubic feet per minute (10 L/s) for continuous ventilation. Ventilation air from the space shall be exhausted directly to the outside or into a properly ventilated attic when all of the following are met:

1.    The duct(s) conveying exhaust into the attic shall terminate a minimum of 36 inches above the top of the ceiling framing members, and shall not discharge upon any building element.

2.    Attics into which bath and/or toilet room exhausts are discharged must be properly ventilated, in accordance with Section R806, and shall not discharge into an unvented attic assembly.

3.    The exhaust duct(s) shall terminate above the top of the attic insulation with a “goose- neck” installed to prevent infiltration of insulating material into the duct.

4.    Exhaust duct(s) run above the insulation inside of attics shall be insulated.

SECTION R309.5 FIRE SPRINKLERS.

Section R309.5 of the International Residential Code is hereby deleted.

MINIMUM OPENING AREA, HEIGHT AND WIDTH. Sections R310.2.1 through R310.2.3 of the International Residential Code are amended as follows:

R310.2.1 Minimum opening area. All emergency escape and rescue openings shall have a minimum net clear opening of 4.5 (0.418 m2) square feet with the window in an open position, with a total break-out area of 5.7 (0.530 m2) square feet. The minimum net clear opening shall be maintained to a public way, yard or court.

R310.2.2 Minimum opening height. The minimum net clear opening height shall be:

19¾ inches (501.7 mm) plus or minus ¼ inch for single, double hung and awning style windows.

For all other types of windows the minimum height shall be determined by multiplying the width times the height to achieve a total net clear opening of 4.5 (114.3 mm2) square feet with a total break-out area of 5.7 (0.530 m2) square feet.

R310.2.3 Minimum opening width. The minimum net clear opening width shall be:

1.    17 inches (431.8 mm) plus or minus ¼ inch in the open position for casements and slider windows.

2.    30¼ (768.35 mm) inches plus or minus ¼ inch for single and double hung units.

LADDER AND STEPS. Section R310.2.3.1 of the International Residential Code is amended to read as follows:

R310.2.3.1 Ladders, steps and fall protection. Window wells with a vertical depth greater than 44 inches (1118 mm) shall be equipped with a permanently affixed ladder or steps usable with the window in the fully open position. Ladders or steps required by this section shall not be required to comply with Section R311.7. Ladders or rungs shall have an inside width of at least 12 inches (305 mm), shall project at least 3 inches (76 mm) to the back of the rung from the wall and shall be spaced not more than 12 inches (305 mm) on center vertically for the full height of the window well. Window wells with a vertical depth of more than 30 inches (762 mm) shall be provided with guardrails that are designed in accordance with Section R312, or a protective cover designed to a minimum of 20 pounds per square foot (0.96 KN per m2) uniformly distributed live load. Window well covers shall be provided with an emergency egress hatch located above the ladder or steps, with the minimum egress opening maintained. The force required to open the egress hatch shall not exceed 30 pounds (133.45 N) and shall not require the use of keys, more than one operation, or any special knowledge or effort. Window well covers, grates, and guardrails shall be constructed of materials approved for exterior use.

WINDOW WELL DRAINAGE. Section R310.2.3.2 Drainage of the International Residential Code is hereby added to read as follows:

R310.2.3.2 Drainage. Window wells shall be designed for proper drainage by connecting to the existing foundation drainage system required by Section R405.1 or by an approved alternative method. If no existing foundation drainage system has been installed, the entire window well area shall have a minimum depth of 12” of washed gravel or crushed rock below the floor level.

Exception:

A drainage system for window wells is not required when the foundation is on well- drained soil or sand-gravel mixture soils according to the U.S. Soil Classification System, Group I Soils, as detailed in Table 405.1.

FLOOR ELEVATIONS FOR OTHER EXTERIOR DOORS. Section R311.3.2 of the International Residential Code is amended to read as follows:

R311.3.2 Floor elevations for other exterior doors. Doors other than the required egress door shall be provided with landings or floors not more than 8 inches below the top of the threshold.

Exception:

A landing is not required where a stairway of four or fewer risers is located on the door, provided the door does not swing over the stairway.

RISERS. Section R311.7.5.1 of the International Residential Code is amended to read as follows:

R311.7.5.1 Risers: The maximum riser height shall be 8 (203 mm) inches. The riser shall be measured vertically between leading edges of the adjacent treads. The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).

TREADS. Sections R311.7.5.2 and R3.11.7.5.2.1 of the International Residential Code are amended to read as follows:

R311.7.5.2 Treads. The minimum tread depth shall be 9 inches (228.6 mm). The tread depth shall be measured horizontally between the vertical planes of the foremost projection of adjacent treads and at a right angle to the tread’s leading edge. The greatest tread depth within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).

R311.7.5.2.1 Winder and circular treads. Winder and circular treads shall have a minimum tread depth of 9 inches (228.6 mm) measured as above at a point 12 inches (305 mm) from the side where the treads are narrower. Winder and circular treads shall have a minimum tread depth of 6 inches (152 mm) at any point. Within any flight of stairs, the largest winder or circular tread depth at the 12-inch (305 mm) walk line shall not exceed the smallest by more than 3/8 inch (9.5 mm).

HANDRAILS. Section R311.7.8.1 of the International Residential Code is amended to read as follows:

R311.7.8.1 Height. Handrail height, measured vertically from the sloped plane adjoining the tread nosing, or finish surface of ramp slope, shall be not less than 32 inches (864 mm) and not more than 38 inches (965 mm).

Exceptions:

1.    The use of a volute, turnout or starting easing shall be allowed over the lowest tread.

2.    When handrail fittings or bendings are used to provide continuous transition between flights, transitions at winder treads, the transition from handrail to guardrail, or used at the start of a flight, the handrail height at the fittings or bending’s shall be permitted to exceed the maximum height.

HANDRAILS CONTINUITY. Section R311.7.8.4 of the International Residential Code is amended to read as follows:

R311.7.8.4 Continuity. Handrails for stairways shall be continuous 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 to the wall or shall terminate in newel posts or safety terminals at the top of each flight of stairs. Handrails adjacent to a wall shall have a space of not less than 1.25 (32.5mm) inches between the wall and the handrails.

Graspable portions of the handrail may not end up completely continuous from the top riser to the bottom riser. The rail shall return to the wall.

Exceptions:

1.    Handrails shall be permitted to be interrupted by a newel post at the turn.

2.    The use of a volute, turnout or starting easing, or starting newel shall be allowed over the lowest tread.

HANDRAIL GRIP SIZE. Section R311.7.8.5 of the International Residential Code is amended to read as follows:

R311.7.8.5 Handrail grip size. All required handrails shall be of one of the following types or provide equivalent grasp ability.

1.    Type I. Handrails with a circular cross section shall have an outside diameter of at least 1¼ inches (32 mm) and not greater than 2 inches (51 mm). If the handrail is not circular it shall have a perimeter dimension of at least 4 inches (102 mm) and not greater than 6¼ inches (160 mm) with a maximum cross section of dimension of 2¼ inches (57 mm).

2.    Type II. Handrails with a perimeter greater than 6¼ inches (160 mm) shall provide a graspable finger recess area on the outboard side of the profile. The finger recess shall begin within a distance of ¾ inch (19 mm) measured vertically from the tallest portion of the profile and achieve a depth of at least 5/16 inch (8 mm) within 7/8 inch (22 mm) below the widest portion of the profile. This required depth shall continue for at least 3/8 inch (9.5 mm) to a level that is not less than 1¾ inches (45 mm) below the tallest portion of the profile. The minimum width of the handrail above the recess shall be 1¼ inches (32 mm) to a maximum of 2¾ inches (70 mm). Edges shall have a minimum radius of 0.01 inch (0.25 mm).

GUARD OPENING LIMITATIONS. Section R312.1.3 of the International Residential Code is amended to read as follows:

R312.1.3 Opening limitations. Required guards on open sides of stairways, raised floor areas, balconies and porches shall have intermediate rails or ornamental closures which do not allow passage of a sphere 4 inches (114.3 mm) or more in diameter. Required guards shall not be constructed with horizontal rails or other ornamental pattern that results in a ladder effect.

Exceptions:

1.    The triangular openings formed by the riser, tread and bottom rail of a guard at the open side of a stairway are permitted to be of such a size that a sphere 6 inches (152 mm) cannot pass through.

2.    Openings for required guards on the sides of stair treads shall not allow sphere 4 inches (114.3 mm) to pass through.

SINGLE-AND MULTIPLE-STATION SMOKE ALARMS. Sections R314.3 and R314.4 of the 2018 International Residential Code is amended to read as follows:

R314.3 Location. Single and multiple-station smoke alarms shall be installed in the following locations:

1.    In each sleeping room.

2.    Outside each sleeping area at a location that serves the common space for the sleeping rooms; provided, that no such smoke alarm shall be required to be installed within six (6) feet of a smoke alarm located in a bedroom; and

3.    In each additional story of the dwelling, including basements and cellars but not including crawl spaces and uninhabitable attics. In dwellings or dwelling units with split levels and without an intervening door between the adjacent levels, a smoke alarm installed on the upper level shall suffice for the adjacent lower level provided that the lower level is less than one full story below the upper level.

When more than one smoke alarm is required to be installed within an individual dwelling unit the alarm devices shall be interconnected in such a manner that the actuation of one alarm will activate all of the alarms in the individual unit. The alarm shall be clearly audible in all bedrooms over background noise levels with all intervening doors closed.

R314.4 Interconnection. Where more than one smoke alarm is required to be installed within an individual dwelling unit in accordance with Section R314.3, the alarm devices shall be interconnected in such a matter that the actuation of one alarm will activate all of the alarms in the individual unit. Physical interconnection of smoke alarms shall not be required where wireless alarms are installed & all alarms sound on activation of one alarm.

CARBON MONOXIDE ALARMS. R315.1 Carbon monoxide alarms of the International Residential Code is amended to read as follows:

R315.1 Carbon monoxide alarms. For new construction, an approved carbon monoxide alarm shall be installed in dwelling units within which fuel-fired appliances are installed and in dwelling units that have attached garages in the following locations:

1.    Outside each sleeping room in the immediate vicinity of the bedrooms.

2.    On each additional story of the dwelling, including basements in the immediate vicinity of the bedrooms or mechanical room.

Section R315.3 of the International Residential Code shall read:

Carbon monoxide detectors are not required in existing homes until the requirements of the 2018 IEBC require the installation of carbon monoxide detection.

THERMAL BARRIER. Section R316.4 of the International Residential Code is amended to read as follows:

R316.4 Thermal barrier. Unless otherwise allowed in Section R316.5, foam plastic shall be separated from the interior of a building by an approved thermal barrier of minimum 0.5 inch (12.7 mm) gypsum wallboard or an approved finish material equivalent to a thermal barrier material that will limit the average temperature rise of the unexposed surface to no more than 250°F (139°C) after 15 minutes of fire exposure complying with the ASTME 119 standard time temperature curve. The thermal barrier shall be installed in such a manner that it will remain in place for 15 minutes based on NFPA 286 with the acceptance criteria of section R315.4, FM4880, UL 1040 or UL 1715.

Exception:

Insulating concrete forms (ICFs) may be used without the thermal barrier described in Section 314.4 when the foam plastic meets the following criteria:

1.    The foam plastic has a minimum self-ignition temperature of 450 degrees C when tested in accordance with ASTM D 1929;

2.    The foam plastic has a flame-spread rating of less than 25 and a smoke-developed rating of less than 450 when tested in accordance with ASTM E 84

3.    The foam plastic wall assembly has a minimum two (2) hour fire resistance rating when tested in accordance with ASTM E 119; and the ICF has a valid ICCES ER number.

PROTECTION AGAINST DECAY. Section R317.1 of the International Residential Code is amended to read as follows:

R317.1 Location required. Protection from decay shall be provided in the following locations by the use of naturally durable wood or wood that is preservative treated in accordance with AWPA U1 for the species, product, preservative and end use. Preservatives shall be listed in Section 4 of AWPA U1.

1.    Wood joists or the bottom of a wood structural floor when closer than 18 inches (457 mm) or wood girders when closer than 12 inches (305 mm) to the exposed ground in crawl spaces or unexcavated area located within the periphery of the building foundation.

2.    All wood framing members that rest on concrete or masonry exterior foundation walls and are less than 6 inches (152 mm) from the exposed ground.

3.    Sills and sleepers on a concrete or masonry slab that is in direct contact with the ground unless separated from such slab by an impervious moisture barrier.

4.    The ends of wood girders entering exterior masonry or concrete walls having clearances of less than 0.5 inch (12.7 mm) on tops, sides and ends.

5.    Wood siding, sheathing and wall framing on the exterior of a building having a clearance of less than 6 inches (152 mm) from the ground.

6.    Wood structural members supporting moisture-permeable floors or roofs that are exposed to the weather, such as concrete or masonry slabs, unless separated from such floors or roofs by an impervious moisture barrier.

Section R318.1 of the International Residential Code is hereby deleted.

Section 319 shall be amended to reflect the current requirement of 4-101A of the current City of Haysville City Code.

Section R322 deleted and Section R324 deleted.

Section R322 of International Residential Code is hereby deleted.

Section R324 of the International Residential Code is hereby deleted.

Section R403.1.1 created.

MINIMUM SIZE. Section R403.1.1 of the International Residential Code is amended to read as follows:

R403.1.1. MINIMUM SIZE. Minimum sizes for concrete and masonry footings shall be as set forth in Table R403.1 (1) through R403.1 (3). For construction of one and two family dwelling habitable spaces, the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011) shall apply. The footing width, W, shall be based on the load-bearing value of the soil in accordance with Table R401.4.1. Spread footings shall be a least 6 inches (152 mm) thick. Footing projections, P, shall be at least 2 inches (51 mm) and shall not exceed the thickness of the footing. The size of footings supporting piers and columns shall be based on the tributary load and allowable soil pressure in accordance with Table R401.4.1. Footings for wood foundations shall be in accordance with the details set forth in Section R403.2, and Figures R403.1 (2) and R403.1 (3).

SLABS-ON-GRADE.  Section R403.1.3.3 of the International Residential Code is amended to read as follows:

R403.1.3.3 Slabs-on-grade with turned-down footings and slabs-on-grade cast monolithically with a footing. For slabs-on-grade with turned-down footings and slabs-on-grade cast monolithically with a footing, construction of one and two family dwelling habitable spaces shall comply with the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011).

MINIMUM DEPTH. Section 403.1.4 of the International Residential Code is hereby amended to read as follows:

R403.1.4 Minimum depth. All exterior footings shall be placed at least 24 (610 mm) inches below the undisturbed ground surface. For construction of one and two family dwelling habitable spaces, the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011) shall apply. Where applicable, the depth of the footings shall also conform to Sections R403.1.4.1.

FROST PROTECTION. Section R403.1.4.1 of the International Residential Code is amended to read as follows:

R403.1.4.1 Frost protection. Section R403.1.4.1 of the International Residential Code is amended to read as follows:

Frost Protection. Except where otherwise protected from frost, foundation walls, piers and other permanent supports of buildings and structures shall be protected from frost by one or more of the following methods:

1.    Extended below the frost line specified in Table R301.2.(1), per amended Table footnote “b.” and the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011);

2.    Constructing in accordance with Section R403.3;

3.    Constructing in accordance with ASCE 32; or

4.    Erected on solid rock

Exceptions:

1.    Protection of freestanding accessory structures with an area of 400 (36.2m2) square feet or less of light-framed construction with an eave-height of 10 feet (3048mm) or less shall not be required.

2.    Protection of freestanding accessory structures with an area 400 square feet (36.2m2) or less of other than light-framed construction with an eave-height of 10 feet (3048mm) or less shall not be required.

Footings shall not bear on frozen soil. Frost depth in Haysville and Sedgwick County is 24 inches.

FOUNDATIONS ON EXPANSIVE SOILS. Section R403.1.8 of the International Residential Code is amended to read as follows:

R403.1.8 Foundations on expansive soils. Foundations and floor slabs for buildings located on expansive soils shall be designed in accordance with Section 1808.6 of the International Building Code or as specified in the Wichita Foundation, Basement and Slab-on-Grade Standards for One and Two Family Dwellings (August 30, 2011).

Section R405.1 Concrete or masonry foundation of the International Residential Code is hereby deleted.

Section R501.3 Fire protection of floors of the International Residential Code is hereby deleted.

FLOOR TRUSSES. Section R502.11.4 of the International Residential Code is amended to read as follows:

Floor Truss design drawings. Floor truss design drawings, prepared in compliance with Section R502.11.1, shall be provided to the building official at the framing inspection. Truss design drawings shall be provided with the shipment of trusses delivered to the job site. Truss design drawings shall include, at a minimum, the information specified below:

1.    Slope or depth, span, and spacing.

2.    Location of all joints.

3.    Required bearing widths.

4.    Design loads as applicable:

4.1. Top chord live load (including snow loads);

4.2. Top chord dead load;

4.3. Bottom chord live load;

4.4. Bottom chord dead load;

4.5. Concentrated loads and their points of application; and

4.6. Controlling wind and earthquake loads.

5.    Adjustments to lumber and joint connector design values for conditions of use.

6.    Each reaction force and direction.

7.    Joint connector type and description, e.g., size, thickness or gauge, and the dimensioned location of each joint connector except where symmetrically located relative to the joint interface.

8.    Lumber size, species and grade for each member.

9.    Connection requirements for:

9.1. Truss-to-truss girder;

9.2. Truss ply-to-ply; and

9.3. Field splices.

10.  Calculated deflection ratio and/or maximum description for live and total load.

11.  Required permanent truss member bracing location.

Section R506.2.2 of the International Residential Code is hereby deleted.

DECKS. Section R507 of the International Residential Code is amended to read as follows:

R507 Decks. The “City of Wichita Standard for Residential Wood Framed Decks” may be used to design and construct decks to comply with the requirements of this section. Decks which fall outside of the scope of the standard will require design by a Kansas licensed architect or engineer. Where supported by attachment to an exterior wall, decks shall be positively anchored to the primary structure and designed for both vertical and lateral loads as applicable. Such attachment shall not be accomplished by the use of toenails or nails subject to withdrawal. Where positive connection to the primary building structure cannot be verified during inspection, decks shall be self-supporting. For decks with cantilevered framing members, connections to exterior walls or other framing members, shall be designed and constructed to resist uplift resulting from the full live load specified in Table R301.5 acting on the cantilevered portion of the deck.

Cement, fiber cement and glass mat gypsum backers is hereby deleted.

SIZE AND SPACING. Section R703.8.4.1 of the International Residential Code is amended to read as follows:

R703.8.4.1 Size and spacing. Veneer ties, if strand wire, shall not be less in thickness than No. 9 U.S. gage [(0.148 in.) (4 mm)] wire and shall have a hook embedded in the mortar joint, or if sheet metal, shall be not less than No. 26 [(0.0245 in.)(0.62 mm)] U.S. gage by 7/8 inch (22 mm) corrugated. Each tie shall be spaced not more than 16 (406 mm) inches on center horizontally and vertically and shall support not more than 1.96 (0.19 m2) square feet of wall area. When stud spacing is 24 (610 mm) inches on center, ties may be spaced 24 inches (610 mm) on center to match stud spacing (maximum 1.96 (0.19 m2) square feet still required). All ties shall be attached to a stud.

Exception:

In Seismic Design Category D0, D1 or D2 or townhouses in Seismic Design Category C or in wind areas of more than 30 pounds per square foot pressure (1.44 kPa), each tie shall support not more than 2 square feet (0.2 m2) of wall area.

REROOF DECKING.  Section R908 shall be amended to include section R908.7 and shall read:

R908.7 Reroof decking shall meet the requirements with regard to solid sheathed roof deck. 1 X boards or lumber, used as roof decking shall be covered by a minimum of 7/16” oriented strand board (osb) or other approved material conforming to roof covering manufacturers requirements.

Part IV - Energy Conservation deleted.

Part IV - Energy Conservation of the International Residential Code is hereby deleted.

Part V – Mechanical chapters deleted.

Part V – Mechanical chapters of the International Residential Code is hereby deleted.

Part VII - Plumbing deleted.

Part VII - Plumbing, of the International Residential Code is hereby deleted.

Part VIII - Electrical deleted.

Part VIII - Electrical, of the International Residential Code is hereby deleted.

Section R105.3.1.2 of the International Residential Code shall be amended as follows:

R105.3.1.2: All water and wastewater systems constructed or installed within the City are subject to the provisions of Chapter 15 of the Code of the City of Haysville, Kansas, including mandatory connection to the City of Haysville water and sewer systems, and mandatory participation in stormwater management.

Section R109.3.3 of the International Residential Code shall be amended as follows:

R109.3.3: Floodplain inspections lowest floor elevation. For all City floodplain inspections, the lowest window (not window well) shall be deemed the lowest opening of any structure.

Section AG105.2 of the International Residential Code shall be amended as follows:

AG105.2: Outdoor swimming pool. All swimming pools constructed or installed within the City are subject to the provisions of Chapter 4, Article 9 of the Code of the City of Haysville, Kansas governing swimming pools.

https://www.sedgwickcounty.org/media/56035/wichita-sedgwick-county-unified-building-trade-code-ubtc-updating-10419.pdf#page=72