There is hereby incorporated by reference for the purpose of providing minimum regulations for the construction, erection, remodeling, alteration, repair or expansion of any building or structure, the “International Residential Code,” 2018 Edition, including all appendices to each, prepared and published in book form by the International Code Council, Inc., except such articles, sections, parts or portions as are hereinafter omitted, deleted, modified or changed. Any errata officially published by the International Code Council, Inc., shall become part of the International Residential Code when placed on file by the administrative authority. If any conflict or discrepancy exists between this article and the referenced International Building Code or the International Residential Code, the provisions of this article shall rule. No fewer than three copies of the International Residential Code shall be marked or stamped “Official Copy as Incorporated by Reference by the Code of the City of Moundridge, Kansas,” with all sections or portions thereof intended to be deleted, changed or amended clearly marked to show such deletion, change or amendment, and to which shall be attached a copy of this section or said ordinance and filed with the city clerk to be open to inspection and available to the public at all reasonable hours. All administrative departments of the City charged with the enforcement of the ordinance shall be supplied, at the cost of the City, such number of official copies of such International Residential Code similarly marked, deleted and changed as may be expedient.
(Ord. 511; Code 2012; Ord. 1017)
It shall be the duty and responsibility of the Superintendent of Utilities of the City, to supervise and enforce the provisions of the residential code. The said Superintendent of Utilities may detail such members of his department as inspectors, as shall from time to time be necessary.
(Ord. 511; Code 2012)
The following portions of the International Residential Code Incorporated by section 4-601 of this article, shall be omitted and not applicable under this code unless amended:
Section R303.4 Mechanical Ventilation
Section R309.5 Fire Sprinklers.
Section R313 Automatic Fire Sprinkler Systems
Section P.314.2.2 Alterations, Repairs and Additions
Section R402.1 Wood Foundations
Section R404.1.1 Design Required
Section P.404.4 Retaining Walls
Section R405.1 Concrete or Masonry Foundations
Section R502.6.2 Joist Framing
Section R703.2 Water-Resistive Barrier
Section N1101.5 Information on Construction Documents
Section N1101.13 Compliance
Table N1102.1.2 Insulation and Fenestration Requirements by Component
Section N1102.4.1.2 Testing
Section N1102.4.4 Rooms Containing Fuel Burning Appliances
Section N1103.3.2.1 Sealed Air Handler
Section N1103.3.3 Duct Testing
Section N11 03.3.5 Building Cavities
Section N1104 Electrical Power and Lighting Systems
Section N11 06.2 Mandatory Requirements
Table N1106.4 Maximum Energy Rating Index
(Ord. 1017)
The following portions of the International Residential Code Incorporated by Section 4-601 of this article, shall be amended as follows:
(a) Amend the IRC by adding a new exception 5.1 Joist to R302.13 Fire Protection of wood floors.
(b) Amend Table R301.2 (1) of the IRC to read as follows:
Table R301.2 (1); the following values shall be inserted into the table:
Ground snow load (psf): 20;
Wind design speed (mph): 115;
Topographical effects: No;
Windborne debris zone: No;
Special wind region: No;
Seismic Design Category: A;
Weathering: Severe;
Frost Line Depth: 36 inches;
Termite: Moderate to Heavy;
Winter Design Temp: 6 degrees F;
Ice Barrier required
Air freezing lndex - 1000;
Mean Annual Temp: 54.7 degrees F.
Flood Hazard: Current FIRM
(c) Amend the IRC by adding a new Section 303.4 to read as follows:
R303.4 Mechanical Ventilation. Where the air infiltration rate of a dwelling unit is less than three (3) air changes per hour when tested with a blower door at a pressure of 0.2 inch w. c. (50 Pa) in accordance with Section N 1102.4.1.2, the dwelling unit shall be provided with whole-house ventilation in accordance with Section M1507.3.
(d) Amend the IRC by adding a new Section R306.6 to read as follows:
R306.6 New single-family dwellings construction site maintenance. All construction sites shall be maintained in a good, clean, and safe condition, including, but not limited to, the following minimum requirements:
1. Construction materials shall be stored, maintained and secured so as to prevent safety risk or danger. Accumulated construction debris shall be hauled away and disposed of at an approved landfill. Dumpsters shall be emptied or removed when full and may be used only for construction debris. Construction materials shall not be stored in a public right-of-way.
2. All mud, dirt. or debris deposited on any street, crosswalk, sidewalk or other public property as a result of excavation, construction, or demolition shall be immediately broom cleaned to the extent possible and disposed of in an acceptable manner.
3. It shall be unlawful to intentionally place, deposit, or otherwise dispose of construction debris in any public or private sewer.
4. Airborne particles shall be controlled on the property at all times during work by means of a water truck and/or spraying equipment, or other water sources capable of spraying and thoroughly saturating all portions of the structure and surrounding property affected by the work. Spraying shall be undertaken at all times necessary to thoroughly control the creation and migration of airborne particles, including, without limitation, dust, from the subject property.
5. No person shall operate or cause to be operated any radio, media player, telecommunications device or other such object at such a volume or in any other manner that would cause a nuisance or disturbance to any person.
6. Every contractor shall be responsible for all actions of their employees, agents, and subcontractors under this Subsection, and shall be responsible for all violations of the provisions of this Subsection committed by such employees, agents, or subcontractors.
(e) Amend the IRC by adding a new Section R314.2.2 to read as follows:
R314.2.2 Alterations, Repairs and Additions. Where alterations, repairs or additions requiring a permit occur, the individual dwelling unit shall be equipped with smoke alarms and carbon monoxide alarms as required for new dwellings.
EXCEPTIONS:
1. 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.
2. Installation, alteration or repairs of plumbing, mechanical or electrical systems are exempt from the requirements of this section
(f) Amend Section R401.3 to read as follows:
R401.3 Drainage. Surface drainage from lots shall be diverted to a storm sewer conveyance or other point of collection as approved by the Public Works Director. The surface drainage shall not create a hazard or nuisance onto adjacent properties, sidewalks, driveways, or streets. Lots shall be graded to drain water away from foundation walls. The grade shall fall a minimum of six (6) inches within the first ten (10) feet. Where lot lines, walls, slopes, or other physical barriers prohibit six (6) inches of fall within ten (10) feet, drains or swales shall be constructed to ensure drainage away from the structure. The grade shall not alter any existing drainage course or re-route excessive surface drainage onto adjacent properties. Downspouts shall not discharge closer than five (5) feet to any side property line, nor closer than twenty (20) feet to any front or rear property line. In most cases, these setbacks will allow the discharge water from downspouts to percolate naturally through the soil on private property without adversely affecting or altering drainage onto adjacent properties. These requirements are not intended to address seasonal extreme weather events and discharges associated with same. The Director of Public Works retains the authority to waive or modify elements or conditions of this policy when it is determined that unique conditions exist and such waiver or modification would be in the best interest to the City and/or adjacent properties.
(g) Amend the IRC by adding a new Section R401.4.4 to read as follows:
R401.4.4 Johnson County Residential Foundation Guideline. Foundation designs for one- and two-family dwellings may use the approved standard design provided in the Johnson County Residential Foundation Guidelines in lieu of the prescriptive requirements of the 2018 International Residential Code as approved by the Building Code Official.
(h) Amend the IRC by adding a new Section R402.1 to read as follows:
R402.1 Wood Foundations. Wood foundation systems are not allowed. All other references in this code to wood foundation systems are null and void.
(i) Amend the IRC by adding a new Section R403.1.1.1 to read as follows:
R403.1.1.1 Continuous footing reinforcement. Continuous footings for basement foundation walls shall have minimum reinforcement consisting of not less than two No. 4 bars, uniformly spaced, located a minimum 3 inches (3”) clear from the bottom of the footing
(j) Amend the IRC by adding a new Section R403.1 .1.2 to read as follows:
R403.1.1.2 Column pads. Column pads shall be a minimum of 24 inches by 24 inches and 8 inches deep (24” x 24” x 8”). Reinforcement shall consist of a minimum of three No. 4 bars each way, uniformly spaced.
(k) Amend the IRC by adding a new Section R404.1.1 to read as follows:
R404.1.1 Design required. A design in accordance with accepted engineering practice shall be provided for concrete or masonry foundation walls when any of the conditions listed below exist:
1. Walls are subject to hydrostatic pressure from ground water.
2. Walls supporting more than 48 inches (48”) of unbalanced backfill that do not have permanent lateral support at the top and bottom.
3. Sites containing CH, MH, OL, or OH soils as identified in Table R405.1.
4. Foundation walls nine feet (9 ft.) or greater in height, measured from the top of the wall to the bottom of the slab.
5. Lots identified on the subdivision grading plan as having more than six feet (6ft.) of fill or having a finished slope steeper than 4 horizontal to 1 vertical before grading
6. Footings and foundations with existing fill soils below the footing level.
7. Sloping lots steeper than 4 to 1 before grading.
8. Lots where some footings will bear on soil and others will bear on a different soil type, including rock.
9. Areas where problems have historically occurred
10. Stepped footing and foundation wails.
11. Concrete floor slabs supported on more than twenty four inches (24 in.) of clean sand or gravel fill or eight inches (8 in.) of earth fill.
(l) Amend the IRC by adding a new Section R404.4 to read as follows:
R404.4 Retaining Walls. Retaining walls that are not laterally supported at the top and that retain in excess of forty eight inches (48”) of unbalanced fill shall be designed by a professional engineer to ensure stability against overturning, sliding, excessive foundation pressure and water uplift. Retaining walls shall be designed for a safety factor of 1.5 times against lateral sliding and overturning.
(m) Amend the IRC by adding a new Section R405.1 to read as follows:
R405.1 Concrete or Masonry Foundations. Drains shall be provided around all concrete or masonry foundations that retain earth and enclose habitable or usable spaces located below grade. Drainage tiles, gravel or crushed stone drains, perforated pipe or other approved systems or material shall be installed at or below the area to be protected and shall discharge by gravity or mechanical means into an approved drainage system. Gravel or crushed stone drains shall extend at least one foot (1 ft) beyond the outside edge of the footing and six inches (6”) above the top of the footing and be covered with an approved filter membrane material. The top of open joints of drain tiles shall be protected with strips of building paper. Perforated drains shall be surrounded with an approved filter membrane or the filter membrane shall cover the washed gavel or crushed rock covering the drain. Drainage tiles or perforated pipe shall be placed on a minimum of two inches (2 in) of washed gravel or crushed rock at least one sieve size larger than the tile joint opening or perforation and covered with not less than six inches (6”) of the same material.
EXCEPTIONS:
1. A drainage system is not required when the foundation is installed on well drained ground or sand-gravel mixture soils according to the Unified Soil Classification System, Group I Soils, as detailed in Table R405.1.
2. A filter membrane is not required where perforated drains are covered with a minimum of eighteen inches (18 in) of washed gravel or crushed rock. For gravel or crushed stone drains a filter membrane is not required when the gravel or crushed stone extends at least eighteen inches (18”) above the top of the footing.
(n) Amend the IRC by adding a new Section P.703.2 to read as follows:
703.2 Water Resistive Barrier. One (1) layer of 15 pound felt, free from holes, tears or breaks, complying with ASTM D226 for Type 1 felt or other approved water resistive barrier shall be applied over studs or sheathing of all exterior walls. Such felt or material shall be applied horizontally, with the upper layer overlapping the lower layer not less than two (2) inches where joints occur such felt or material shall be lapped not less than six (6) inches. The felt or other approved material shall be continuous to the top of walls and terminated at penetrations and building appendages in a manner to meet the requirements of exterior wall envelope as described in Section R703.1.
EXCEPTION:
1. Omission of the water-resistive barrier is permitted in the following situations: In detached accessory buildings.
(o) Amend the IRC by omitting Section N1101.5 (R103.2) Information on Construction Documents.
(p) Amend the IRC by deleting N1101.1.12 Maintenance Information.
(q) Amend the IRC by adding a new Section N1101.33 (R401.2) to read as follows:
N1101.13 (R401.2) Compliance. Projects may comply with one of the following:
1. Sections N1104.14 through N1104.
2. Section N1105 and the provisions of Sections N1101.14 through N1104 indicated as mandatory.
3. The energy rating index (ERI) approach in Section N1106.
The permit applicant of record must elect which compliance option will be followed at the time the permit application is made.
As an alternative to the provisions of Chapter 11 of this code, structures validated by an energy rater accredited by the Residential Energy Services Network (RESNET) to meet a HERS rating score of 80 or less shall be deemed to meet this code. A preliminary HERS Certificate with 'Draft' watermark or a copy of a REM/rate compliance report with 'Draft' watermark must be submitted with building permit plans. The 'Draft' HERS certificate or report shall identify the project address, and include the HERS raters name and contact information.
The HERS rater is required to perform a blower door test, duct blaster test, pre-drywall inspection and final inspection as part of the standard HERS index rating process. The final HERS Index score must be posted on the Certificate required by Section N1101.14 (R401.3). The final HERS certificate which indicates the dwelling unit achieved a compliant HERS score must be submitted to the City before issuance of the Certificate of Occupancy. The final HERS Certificate shall identify the project address and include the HERS raters name and contact information.
(r) Amend the IRC by adding a new Table N1102.1.2 (R402.1.2) to read as follows:
Table N1102.1.2 (R402.1.2) Insulation and Fenestration Requirements by Component (a)
(a) R-values are minimums. U-factors and SHGC are maximums.
(b) The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration.
(c) “10/13” means R-10 continuous insulation on the interior or exterior of the home or R-13 cavity insulation on the interior of the basement walls.
(d) NR shall mean “no requirement”.
(e) The second R-value applies when more than half the insulation is on the interior of the mass wall.
(s) Amend the IRC by adding a new Section N1102.4.1.2 (R402.1.2) to read as follows:
N1102.4.1.2 (R402.1.2) Testing (Optional). The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 Pascals) Where required by the Building Official, testing shall be conducted by an approved third parry. A written report of the results of the test shall be signed by the party conducting the test and provided to the Building Official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.
During testing:
1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended weather stripping or other infiltration control measures;
2. Dampers including exhaust, intake, makeup air, backdraft and flue dampers shall be closed, but not sealed beyond intended infiltration control measures;
3. Interior doors, if installed at the time of the test, shall be open;
4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed;
5. Heating and cooling systems, if installed at the time of the test shall be turned off; and
6. Supply and return registers, if installed at the time of the test, shall be fully open.
(t) Amend the IRC by omitting Section N1102.4.4 (R402.4.4) Rooms Containing Fuel Burning Appliances.
(u) Amend the IRC by omitting Section N1103.3.2.1 (R403.3.2.1) Sealed Air Handler.
(v) Amend the IRC by adding a new Section N1103.3.3 (R403.3.3) to read as follows:
N1103.3.3 (R403.3.3) Duct Testing (Optional). Where required by the Building Official, duct tightness shall be verified by either of the following:
1. Post construction test: Total leakage shall be less than or equal to 4 cfm per 100 square feet of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25Pa) across the entire system, including the manufacturer’s air handler enclosure. All register boots shall be taped or otherwise sealed during the test.
2. Rough-in test: Total leakage shall be less than or equal to 4 cfm per 100 square feet of conditioned floor area when tested at a pressure differential of 0.1 w.g. (25Pa) across the system, including the manufacturer's air handler enclosure. Al1 registers shall be taped or otherwise sealed during the test. If the air handler is not installed at the time of the test, total leakage shall be less than or equal to 3 cfm per 100 square feet of conditioned floor area.
EXCEPTIONS:
a. The total leakage test is not required for ducts and air handlers located entirely within the building thermal envelope. On the post construction test, it is permissible to test for “leakage to the outdoors” versus “total leakage. Leakage to the outdoors shall be less than or equal to 8 cfm per 100 square feet of conditioned floor area.
(w) Amend the IRC by omitting Section N1103.3.5 (R403.3.5) Building Cavities.
(x) Amend the IRC by omitting Section N1103.3.5 (R403.3.5) Building Cavities.
(y) Amend the IRC by omitting N1103.3.7 Ducts located in conditioned space.
(z) Amend the IRC by omitting Section N1104 Electrical Power and Lighting Systems.
(aa) Amend the IRC by adding a new Section N1106.2 (R406.2) to read as follows:
N1106.2 (R406.2) Mandatory Requirements. Compliance with this section requires that the provisions identified in Section 1101.13 through N1104 indicated as “mandatory” be met. The building thermal envelope shall be greater than or equal to the levels of efficiency and Solar Heat Gain Coefficients in Table N1102.1.2 (R402.1.2) and N 1102.1.4 (R402.1.4).
EXCEPTIONS:
1. Supply and rerum ducts not completely inside the building thermal envelope shall be insulated to an R-value of not less than R-6.
2. Section N1103.5.1 (R403.5.1) shall not be “mandatory”.
(bb) Amend the IRC by adding a new Table N1106.4 (R406.4) to read as follows:
N1106.4 (R406.4) Maximum Energy Rating Index
|
Climate Zone |
Energy Rating Index |
|
4 |
80 |
Where on-site renewable energy is included for compliance using the ERI analysis of Section N1106.4, the building shall meet the mandatory requirements of Section N1106.2 and the building thermal envelope shall be greater than or equal to the levels of efficiency and SHGC in Table N1102.1.2 or Table N1102.1.4.
(cc) Amend Section G2414.5.3 of the IRC to read as follows:
G2414.5.3 Copper or copper-alloy tubing. Copper tubing shall comply with Standard Type K or L of ASTM B88 or ASTM B280. 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.
(dd) Amend Section G2417.4.1of the IRC to read as follows:
G2417.4.1 Test pressure. The test pressure to be used shall not be less than one and one half times the proposed maximum working pressure, but in no case less than 10 psig regardless of design pressure. For welded piping and for piping carrying gas at pressure in excess of l4 inches water column, the test pressure shall not be less than 60 psig.
(ee) Amend Section P2603.5 of the IRC to read as follows:
P2603.5 Freezing. 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 subject 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 42 inches in depth below grade.
(ff) Amend Section P2503.2 of the IRC to read as follows:
P2503.2 Concealment. A plumbing or drainage system, or part thereof, shall not be covered, concealed or put into use until it has been inspected and approved by the Building Official, or his/her authorized representative. A plumbing or drainage system, or part thereof, shall not be covered, concealed or put into use until it has been tested by the permittee. or his/her designated representative. The Building Official may require that any test of the plumbing or drainage system be witnessed by the Building Official or his/her designated representative.
(gg) Amend Section P2603.5.1 of the IRC to read as follows:
P2603.5.1 Sewer depth. Building sewers shall not be less than 12 inches below grade.
(hh) Amend Section P2604.5 of the IRC to read as follows:
P2604.5 Inspection. Excavations required for the installation of the building sewer system shall be open trench work and shall be kept open until the piping has been inspected and approved to cover.
(ii) Amend Section P2902.5.3 of the IRC to read as follows:
P2902.5.3 Lawn irrigation systems. The potable water supply to lawn irrigation systems shall be protected against backflow by an approved device. Backflow devices within structures shall be installed between l2 inches and 48 inches above the floor and shall be accessible.
(jj) Amend Section P2902.6.2 of the IRC to read as follows:
P2902.6.2 Protection of backflow preventers. 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
EXCEPTION: In-ground backflow preventers installed for lawn irrigation systems.
(kk) Amend Section P3005.4.2 of the IRC to read as follows:
P3005.4.2 Building sewer size. The minimum size of a building sewer serving a dwelling unit shall be 4 inches
(ll) Amend Section P3008.1 of the IRC to read as follows:
P3008.1 Where required. All sewer connections require a backwater valve which shall be provided with access.
(mm) Amend Section P3114.3of the IRC to read as follows:
P3114.3 Where permitted. Individual vents, branch vents, circuit vents, and stack vents shall be permitted to terminate with a connection to an air admittance valve only when approved by the Authority Having Jurisdiction (AHJ).
(nn) Amend Section P3303.2 of the IRC to read as follows:
P3303.2 Sump pump. Whenever a sump pit is installed, a sump pump and piping for discharge must also be provided. The sump pump discharge must be day-lighted and shall not be discharged into the public sewer system or onto adjacent properties.
(oo) Amend Section E3601.6.2 of the IRC to read as follows:
E3601.6.2 Service disconnect location. The service disconnecting means shall be installed at a readily accessible location either outside of a building or inside nearest the point of entrance of the service conductors. When service conductors are more than 10 feet in length from the point of entry to the service panel, a separate means of disconnect shall be installed at the service cable entrance to the building or structure. Service disconnecting means shall not be installed in bathrooms. Each occupant shall have access to the disconnect servicing the dwelling unit in which they reside.
(pp) Amend Section E3902.2 of the IRC to read as follows:
E3902.2 Garage, Unfinished Basements and Accessory Building Receptacles. All 125-volt, single phase, 15 or 20 ampere receptacles installed in garages and grade level portions of unfinished accessory buildings used for storage or work areas shall have ground-fault circuit interrupter protection for personnel.
EXCEPTIONS:
1. A dedicated single receptacle for a garage door opener.
2. A dedicated single receptacle on a dedicated circuit that is specifically identified for cord and plug connected use of an appliance such as a refrigerator or freezer.
3. A dedicated single receptacle for a sump pump.
4. A dedicated receptacle supplying a permanently installed fire alarm or security alarm system.
(qq) Amend the IRC by deleting Section 3902.10 Kitchen Dishwasher branch Circuit.
(Ord. 1017)
A violation of any of the provisions of this article is hereby declared to be an offense and any party, upon conviction hereof, shall be fined in any sum not less than $10.00 nor more than $100.00 or be imprisoned not to exceed 30 days or be both so fined and imprisoned for each offense. Each day during which any violation of any provision of this article is committed, continued or permitted shall constitute a separate offense.
(Ord. 1017)