17-1-3: AMENDMENTS TO CODE:
The following sections of the 2021 edition of the International Building Code and 2021 edition of the International Residential Code are amended as follows:
   Section R101.1 of the IRC and 101.1 IBC. Delete Section R101.1 of the IRC and 101.1 of the IBC and insert in lieu thereof the following:
      R101.1/101.1 Title. These regulations shall be known as the Building Code of Iowa City, hereinafter referred to as "this code."
   Section R105.2 of the IRC and 105.2 of the IBC. Delete Section R105.2 of the IRC and 105.2 of the IBC and insert in lieu thereof the following:
      R105.2/105.2 Work Exempt from Permit. A permit shall not be required for the following:
      Building
      1.   One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 144 square feet provided the structure is not located in a flood hazard area.
      2.   Fences not over 6 feet high.
      3.   Oil derricks
      4.   Retaining walls which are not over 4 feet in height measured from the top of the footing to the top of the wall, unless supporting a surcharge or impounding Class I, II or III-A liquids.
      5.   Water tanks supported directly on grade if the capacity does not exceed 5,000 gallons and the ratio of height to diameter or width does not exceed two to one (2:1).
      6.   Sidewalks and driveways not more than 30 inches above grade and not over any basement or story below and which are not part of an accessible route.
      7.   Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.
      8.   Temporary motion picture, television and theater stage sets and scenery.
      9.   Prefabricated swimming pools which are less than twenty-four (24) inches deep, do not exceed five thousand (5,000) gallons and are installed entirely above ground.
      10.   Shade cloth structures constructed for nursery or agricultural purposes and not including service systems.
      11.   Swings and other playground equipment accessory to detached one and two-family dwellings.
      12.   Window awnings supported by an exterior wall which do not project more than 54 inches from the exterior wall and do not require additional support.
      13.   Movable cases, counters and partitions not over five (5) feet nine (9) inches in height.
      14.   For structures regulated by the IRC the reapplication of shingles provided the structure is not in a Historic Preservation Overlay Zone or is not an Iowa City Historic Landmark.
      Note: Applying solid sheathing over space sheathing is exempt from a permit.
      15.   For structures regulated by the IRC reapplication of siding provided: The structure is not in a Historic Preservation Overlay Zone, or a Conservation District Overlay Zone, or is not an Iowa City Historic Landmark.
      16.   For structures regulated by the IRC replacing windows provided:
      a.   Replacement window(s) is in compliance with Appendix AJ.
      b.   The structure is not in a Historic Preservation Overlay Zone, or a Conservation District Overlay Zone, or is not an Iowa City Historic Landmark.
      17.   For structures regulated by the IRC replacing exterior doors, including garage doors, provided:
      a.   Replacement door(s) is in compliance with Appendix AJ.
      b.   Doors are not street facing doors in a structure located in a Historic Preservation Overlay Zone or are not an Iowa City Historic Landmark.
      Note: screen and storm doors do not require a permit regardless of the location.
      Electrical:
      1.   Portable motors or other portable appliances energized by means of a cord or cable having an attachment plug end to be connected to an approved receptacle when that cord or cable is permitted by this code.
      2.   repair or replacement of fixed motors, transformers or fixed approved appliances of the same type and rating in the same location.
      3.   Temporary decorative lighting.
      4.   Repair or replacement of current-carrying parts of any switch, contactor, control device or contact device of the same type and/or rating.
      5.   Replacement of non-emergency over-current device of the required ampacity and interrupt rating in the same location.
      6.   Repair or replacement of electrodes or transformers of the same size and capacity for signs or gas tube systems.
      7.   Temporary wiring for experimental purposes in suitable experimental laboratories.
      8.   The wiring for temporary theater, motion picture or television stage sets.
      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.
      9.   The replacement of fixed appliances provided however that the replacement appliance is in the same location and has a rating equal to or less than the appliance being replaced, and it is not necessary to remove, replace, alter, or install any additional ductwork or piping.
      Plumbing:
      1.   The stopping of leaks in drains, water, soil, waste or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste 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.
      2.   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.
      3.   The replacement or removal and reinstallation of any fixture or appliance, provided, however, that the fixture or appliance is installed at the same location and it is not necessary to remove, replace, alter, or install any piping.
      Exemption from the permit requirements of this Code shall not be deemed to grant authorization for any work to be done in a manner in violation of the provisions of this Code or any other laws or ordinances of this jurisdiction.
   Section 105.8 of the IBC and 105.10 of the IRC. Add two new Sections 105.8 and 105.8.1 to the IBC and R105.10 and R105.10.1 to the IRC as follows:
      105.8(IBC) R105.10(IRC) Demolition permits required. A demolition permit shall be required as follows:
      1.   For the removal of any building or structure.
      2.   For the removal of any portion of a building (i.e. porch, porch railing, decorative brackets and trim, dormers, chimneys, etc.) that is located within a Historic Preservation Overlay Zone or a Conservation District Overlay Zone, or is an Iowa City Historic Landmark.
      105.8.1(IBC) and R105.10.1 Requirements.
      1.   The applicant for any demolition permit shall state on the application the proposed disposal plans for all demolition materials.
      2.   No demolition permit shall be issued until seven (7) working days after the date an application has been properly filed and said demolition permit shall not be effective until applicant has posted the premises to be demolished with a notice to be provided by the City and as directed by the City.
         Exceptions:
         1.   Accessory buildings as defined in the Iowa City Zoning Ordinance provided they are not located within a Historic Preservation Overlay Zone or a Conservation District Overlay Zone or is an Iowa City Historic Landmark.
         2.   Dangerous buildings.
   Section 105.9 of the IBC and R105.11 of the IRC. Add two new Sections 105.9 to the IBC and R105.11 to the IRC as follows:
      105.9 (IBC) and R105.11 (IRC) Permittee:
         1.   An electrical, plumbing or mechanical permit may be issued to any person holding a valid master license for the respective trade as described in Section 17-11-1 of the Iowa City Code, or to any company who employs a duly licensed master in the respective trade on a full-time basis who supervises the work of the apprentice and or journeymen during the company's normal business hours.
         2.   Homeowners of owner occupied, detached single family dwellings qualifying for the homestead tax exemption may acquire an electrical, plumbing and/or mechanical permits for their residence and accessory structures (not an apartment or rental unit or apartment building), not to include electrical dwelling service upgrade or replacement. Prior to issuing a permit to perform electrical work the homeowner shall pass the Iowa City Electrical Homeowner's exam. Owner occupied means the dwelling is the owner's principal residence.
         3.   The homeowner's test required in subsection 2 of this section may be waived if the applicant is a duly licensed electrician with a minimum of a journeyman status.
   Section R107.3 of the IRC and Section 108.3 of the IBC. Amend Section R107.3 of the IRC and Section 108.3 of the IBC as follows:
      R107.3 (IRC) 108.3 (IBC) Temporary Power: Replace the "NFPA 70" with "Iowa State Electrical Code."
   Section R108.2 of the IRC and Section 109.2 of the IBC. Delete Section R108.2 of the IRC and Section 109.2 of the IBC and insert in lieu thereof the following:
      R108.2 (IRC) 109.2 (IBC) Permit Fees and Valuations. The determination of permit fees and project valuation under any of the provisions of this Code shall be made by the Building Official.
      R108.2.1 (IRC) 109.2.1 (IBC) Valuations.
      Project Valuation: The total value of all construction work for which the permit is issued, including all finish work, painting, roofing, electrical, plumbing, heating, air conditioning, site grading, paving, landscaping, elevators, fire extinguisher and fire alarm systems and other permanent equipment.
      Building Permit Value: The total value of all construction work for which the permit is issued, including all finish work, painting, roofing, site grading, paving, landscaping, elevators, and other permanent equipment. (Does not include electrical, plumbing, heating, air conditioning, fire extinguisher and fire alarm systems. The value of this work will be used to determine their permit fees.
      R108.2.2 (IRC) 109.2.2 (IBC) Permit Fees.
      Building Permit Fee: Is based off the total Permit Value of all construction work for which the permit is issued, as well as all finish work, painting, roofing, site grading, paving, landscaping, elevators, and other permanent equipment. (Does not include electrical, plumbing, heating, air conditioning, fire extinguisher and fire alarm systems. The value of this work will be used to determine their permit fees.
      Electrical, Mechanical, Plumbing, Fire Alarm, Fire Sprinkler, and Sewer and Water Permit Fees: The individual fees for each of these permits is base off the Permit Value of all construction work for which the permit is issued.
      The fee for any permit shall be as set forth in the permit fee schedule as established by resolution of the City Council.
   Section R108.3 of the IRC and Section 109.3 of the IBC. Delete Section R108.3 of the IRC and Section 109.3 of the IBC and insert in lieu thereof the following:
      R108.3 (IRC) 109.3 (IBC) Plan Review Fees. When a plan or other data are required to be submitted by Section 106 and the value of the proposed building or work exceeds fifteen thousand dollars ($15,000), a plan review fee shall be paid before the permit may be issued. Should the project be abandoned and the permit not issued after the plan review has been started, the plan review fee shall still be due and payable. The plan review fee shall be as set forth by resolution of City Council. Plan review fees are separate fees from the permit fee specified in Section R108.2 and 109.2 and are in addition to permit fees.
   Section R108. 5 of the IRC and Section 109.6 of the IBC: Delete Section R108.5 in the IRC and Section 109.6 of the IBC and insert in lieu thereof the following:
      R108.5 (IRC) 109.6 IBC Refunds: The Building Official may authorize the refunding of any fee paid hereunder which was erroneously paid or collected. The Building Official shall not authorize the refunding of any fee paid except upon written application filed by the original permittee within one hundred eighty (180) days from the date of fee payment.
   Section R108.6 of the IRC and Section 109.4 of the IBC. Delete Section 108.6 of the IRC and Section 109.4 of the IBC and insert in lieu thereof the following:
      R108.6 (IRC) 109.4 (IBC) Work commencing before permit issuance: Any person who commences work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to a fee equal to the amount of the permit fee if a permit were issued. This fee shall be collected whether or not a permit is issued. This fee is in addition to the required permit fee. The payment of such fee shall not exempt any person from compliance with all other provisions of this Code or from any penalty prescribed by law. Only the Building Official may reduce this fee when it is demonstrated that an emergency existed that required the work to be done without a permit.
   Section R108.7 of the IRC and Section 109.7 of the IBC. Add two new Sections R108.7 to the IRC and 109.7 to the IBC as follows:
      R108.7 (IRC) and 109.7 (IBC) Reinspection Fees:
      A re-inspection fee may be accessed for each inspection or reinspection when such work or portion of such work for which the inspection was scheduled is not complete or when corrections cited are not made. Reinspection fees may be assessed when plans necessary to complete the inspection are not readily available to the inspector, access is not provided on the date for which the inspection was scheduled, or when there are deviations from plans requiring additional plan review. This section is not to be interpreted as requiring reinspection fees the first time a project is rejected for failure to comply with requirements of this code, but as a method to control the practice of scheduling inspections before the project is ready for scheduled inspections.
   Section R112 of the IRC and Section 113 of the IBC. Delete Section R112 of the IRC and Section 113 of the IBC and insert in lieu thereof the following:
      R112 (IRC) and 113 (IBC) Appeals: See Title 17 Chapter 12 Appeals in the City Code.
   Section 202 of both the IBC and IRC. Add new definition as follows:
      Authority Having Jurisdiction. The organization, office, or individual responsible for approving equipment, materials, an installation, or a procedure.
   Section 202 of both the IBC and IRC. Add new definition as follows:
      Chief Electrical Inspector. A building inspector who either is the authority having jurisdiction or is designated by the authority having jurisdiction and is responsible for administering the requirements of this code.
   Section 202 of both the IBC and IRC. Add new definition as follows:
      Electrical Inspector. A building inspector authorized to perform electrical inspections.
   Section 202 of both the IBC and IRC. Add new definition as follows:
      Family: See Title 14 Chapter 9 Article A Zoning Definitions in the City Code.
   Section 202 of both the IBC and IRC. Add new definition as follows:
      Emergency Communications Center. Shall mean the Johnson County Emergency Communications Center.
   Section 202 of the IBC and IRC. Modify definitions as follows:
      Habitable space: Add a sentence to the end of the definition of habitable space or room to read as follows: Basement areas finished to a degree to encourage their use as anything other than storage or mechanical rooms shall be considered habitable space.
   Section R202 of the IRC. Delete definition of Accessory Structure and insert in lieu thereof the following: Accessory Structure. See Title 14 Chapter 9 Article A Zoning Definitions in the City Code.
Table R301.2 (1) of the IRC Modify by inserting data in the table as follows:
 
Ground snow load
Wind Design
Seismic design category
Subject to damage from
Winter design temp
Ice barrier underlayment required
Flood hazards
Air freezing index
Mean annual temp
Speed (mph)
Topographic effects, special wind region, or wind-borne debris zone
Weathering
Fros line depth
Termite
NFIP
FIRM Maps
25
107
No
A
Sever e
42"
Mode rate heavy
-5°F
Yes
5/2 2/1 977
2/16 /200 7
2000
50°F
 
MANUAL J DESIGN CRITERIA
 
Elevation
Latitude
Winter Heating
Summer Cooling
Altitude Correction Factor
Indoor Design Temperature
Design Temperature Cooling
Heating Temperature Difference
661'
41°
-6°
89°
N/A
72°
75°
78°
Cooling Temperatu re Difference
Wind Velocity Heating
Wind Velocity Cooling
Coinciden t Wet Bulb
Daily Range
Winter Humidity
Summer Humidity
14°
25°
10°
76°
M
39 gr/lb diff.
53 gr/lb diff.
 
   Section R302.5.1 of the IRC. Delete Section R302.5.1 of the IRC and insert in lieu thereof the following:
      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 thick, or 20-minute fire-rated doors.
   Section R302.13 of the IRC. Delete Section R302.13 of the IRC entirely.
   Section 305.2.3 of the IBC. Delete Section 305.2.3 of the IBC and insert in lieu thereof the following:
      305.2.3 Eight or Fewer Children in a Dwelling Unit. A facility such as the above within a dwelling unit and having eight or fewer children receiving such day care shall be classified as a Group R-3 occupancy or shall comply with the International Residential Code.
      Exception: Day care facilities that provide custodial care for l6 or fewer persons for less than 24-hours per day in a single-family dwelling, and where registered with the State of Iowa Department of Human Services as child development homes on or before January 1, 2017, are permitted to comply with the International Residential Code.
   Section 310.4.1 of the IBC. Delete Section 310.4.1 of the IBC and insert in lieu thereof the following:
      310.4.1 Care Facilities Within A Dwelling Unit. Care facilities within a dwelling unit shall be in accordance with section 305.2.3.
   Section R310.7 of the IRC. Delete Section R310.7 in the IRC and insert in lieu thereof the following:
      R310.7 Alterations or repairs of basements in structures built after May 10, 1989. An emergency escape and rescue opening is not required where existing basements undergo alterations or repairs.
      Alterations or repairs in structures built prior to May 10, 1989 shall conform to Appendix AJ Section AJ102.4 Replacement windows.
      Exception: New sleeping rooms created in an existing basement shall be provided with emergency escape and rescue openings in accordance with Section R310.1 though R310.6
   Section 310.6 Exception 3 of the IRC. Delete Section 310.6 Exception 3 of the IRC entirely.
   Section 310.7 of the IRC. Delete Section 310.7 of the IRC entirely.
   Section R312.2 of the IRC and 1015.8 of the IBC. Delete Section R312.2 of the IRC and 1015.8 of the IBC entirely.
   Section R313 of the IRC: Delete Section R313 of the IRC entirely.
   Section R314.4 of the IRC. Amend Section R314.4 in the IRC by adding an exception as follows:
      Exception: Interconnection of smoke alarms in existing areas shall not be required where alterations or repairs do not result in removal of interior wall or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available that could provide access for interconnection without removal the interior finish.
   Section R320.3 of the IRC. Add Section R320.3 in the IRC as follows:
      R320.3 Accessibility for projects other than those mentioned in Section R320.1 and R320.2.
      R 320.3.1 Scope. The provisions of this section are enacted to implement universal design features that provide accessibility, usability and visit-ability for all.
      R320.3.2 Definition. Public funds shall mean funding or assistance from the City of Iowa City or any agent thereof through any of the following means:
      1.   a building contract or similar contractual agreement involving a City-funded program or fund;
      2.   any real estate received by the owner through a subsidy, lease, or donation by the City or its agents;
      3.   preferential tax treatment, bond assistance, mortgage assistance, or similar financial advantages from the City or its agents;
      4.   disbursement of federal or state construction funds including a Community Development Block Grant; or
      5.   a City contract to provide funding or a financial benefit for housing.
      R320.3.3 Applicability. The amendment applies to new one- and two-family dwellings and is not required for new townhouses, accessory apartments or existing structures for repairs, alterations, change of occupancy or additions unless the square footage of the addition is more than 25% of the existing structure, then, the addition must comply.
      Exception: Applies to new townhouses constructed using public funds.
      The minimum usability requirements are as follows:
      1.   Step-less entrance: At least one building entrance must be designed, without encroaching into any required parking space, that complies with the Iowa City Building Code standard for an accessible entrance on an accessible route served by a ramp in accordance with section R311.8 or a no-step entrance. The accessible route must extend from a vehicular drop-off, or parking to a building entrance. The entry door must have a minimum net clear opening of thirty-two inches (32").
         If public funds are used the step-less entrance must be provided.
      Exception:
      The building official may waive this requirement based upon the determination that strict compliance is financially or environmentally impractical.
      2.   Interior doors: At least one bedroom and one bathroom (if either are provided) and all other passage doorway header widths, on the level served by the designed step-less entrance, must be framed to accommodate a minimum 38" clear rough opening. The framing for the doorway width opening may be reduced to accommodate any door size
      Exception:
      1.   If public funds are used the minimum door clear opening shall be thirty-two inches (32") when the door is open ninety degrees (90), measured between the face of the door and the opposite stop.
      2.   Doors serving closets twenty-four inches (24") or less in depth need not be framed to 38" clear opening width.
      Note: A 34" door hung in the standard manner provides an acceptable 32" opening.
      3.   Sanitation facilities: There must be at least one bathroom containing a water closet (toilet) and lavatory (sink) on the level of the dwelling to be accessed by the designed step-less entrance. The room shall have a minimum thirty inches (30") by forty-eight inches (48") clear floor space at the water closet and lavatory. The clear floor space can be shared by both fixtures.
      The plans must show a shower, bathtub or combination tub/shower can be provided within the room or an adjoining room without removing part of the concrete floor to provide necessary plumbing to the future plumbing fixture(s).
      If public funds are used a shower, bathtub or combination tub/shower shall be provided within the room.
      Exceptions:
      The building official may waive this requirement based on the determination that strict compliance is financially impractical.
      4.   Wall reinforcement: A bathroom must be provided with wood blocking installed within wall framing to support grab bars as needed. The wood blocking, when measured to the center, will be located between thirty-three inches (33") and thirty-six inches (36") above the finished floor. The wood blocking must be in all walls adjacent to and behind a toilet.
      Exception: Backing is not required behind pre-manufactured showers and bathtubs.
      5.   Decks: All exterior decks surfaces adjacent to the level served by the designed step-less entrance must be built within four inches (4") of the dwellings finish floor level.
      Note: At grade patios are exempt from this requirement.
      6.   Switch and outlet requirements: All wall switches, controlling light fixtures, fans, all temperature control devices and all receptacles shall be located in an area between fifteen (15) and forty-eight (48) inches above finished floor. The height will be determined by measuring from the finished floor to the center of the device. When the control or receptacle placement is prohibited by the height of the window or design feature, alternative locations may be approved by the building official.
      7.   Electrical panel requirements: Electrical panels on the level of the dwelling to be accessed by the designed step-less entrance shall be located so that the individual circuit breakers are located between 15" and 54 " above the floor.
      8.   Garages: Must be wired for power operated overhead
   Section R322 of the IRC. Delete section R322 of the IRC and insert in lieu thereof the following:
      R322. See Title 14 Chapter 5J Flood Plain Management Standards in the City Code.
      R322.1 Flood Resistive Materials. Building materials and installation methods used for flooring and interior and exterior walls and wall coverings below the elevation required in Title 14 Chapter 5J Flood Plain Management Standards in the City Code shall be flood damage-resistant materials that conform to the provisions of FEMA TB-2.
   Section R326 of the IRC. Delete Section R326 of the IRC entirely
   Section R327 of the IRC. Delete Section R327 of the IRC entirely.
   Section R403.1.4.1 of the IRC. Modify by deleting all exceptions and inserting in lieu thereof the following:
      Exceptions:
      1.   One story detached accessory buildings of wood or steel frame construction not used for human occupancy and not exceeding one thousand (1,000) square feet in floor area may be constructed using slab on grade construction as follows. The slab shall be three and one-half inches thick, poured monolithically with thickened perimeter footings extending twelve inches (12") below finish grade and be twelve inches (12") wide at the base. The top of the foundation shall not be less than six inches (6") above finish grade. Reinforcement of the slab, including the thickened portion, shall be minimum 6x6-10/10 welded wire mesh, #4 deformed reinforcing bars at twenty-four inches (24") on center each way or fiber mesh reinforced concrete.
      2.   Freestanding accessory structures not used for human occupancy and not exceeding four hundred (400) square feet in floor area or less and an eave height of ten (10) feet or less above grade may be constructed on wood plate or skids.
      3.   Decks not supported by the structure need not be provided with footings that extend below the frost line.
   Section 403.5.6 of the IBC: Add a new Section 403.5.6 as follows:
      403.5.6 Emergency escape and rescue. Emergency escape and rescue openings specified in Section 1031 are not required.
   Section R404.1.1 of the IRC: Amend Section R404.1.1 of the IRC by adding an Exception after number 2 as follows:
      Exception: Foundation walls with unbalanced lateral forces created by finish grade, i.e. walkout basements which are exempt from the Iowa Architectural Act shall be designed by a licensed structural engineer or constructed in accordance with the Table R404.1.1(5) and diagram as follows:
   Section 502.1 of the IBC (F). Delete Section 502.1 in its entirety and insert in lieu thereof the following:
      502.1 N ew an d ex isting buildings shall have approved address nu mbers, building numbers or approved bu ilding identification placed in a position that is plainly legible and visible from the street or road fronting the property. Address identification characters shall contrast with their background. Address numbers shall be Arabic numbers or alphabetical letters. Numbers shall be sized as specified in Table 502.1. Measurements to determine the minimum number size shall be measured from the approved address location to the center line of the street for which the premises is addressed. Where access is by means of a private road and the building cannot be viewed from the public way, a monument, pole or other sign or means shall be used to identify the structure. Address identification shall be maintained.
Table 502.1
Minimum Address Size
a,b,c,d
 
Distance from the centerline of the Public Way (ft)
Minimum Height (in)
Minimum Stroke Width (in)
Less than 100
4
1/2
100
199
6
3/4
200
299
8
1
For each additional 100
Increase 2
Increase 1/2
a)   Exterior suite identification, minimum height shall be 4 inches and stroke width shall be ½ inch.
b)   Interior suite identification, minimum height shall be 3 inches and stroke width shall be ¼ inch.
c)   Measurements to determine the minimum number or letter size shall be measured from the approved address location to the center line of the street for which the premise is addressed.
d)   Minimum height and minimum stroke may be increased by the Code Official.
      
   Section R507.10.2 of the IRC. Delete Section 507.10.2 entirely.
   Section R807.1 of the IRC. Modify by adding a sentence at the end of the second paragraph as follows:
      The opening shall not be located in a closet, bathroom, mechanical room, laundry room, or similar room or location.
   Section 903.3.5.1 of the IBC (F). Delete Section 903.5.1 of the IBC and insert in lieu thereof the following:
      903.3.5.1 A single domestic and automatic fire sprinkler system water supply. If the city water provider requires a single domestic and automatic fire sprinkler system supply, then the water supply shall be split outside of the building and shall have a shutoff provided for the domestic service after the split outside of the building. The total domestic demand is required to be added to the fire sprinkler demand.
   Section 903.3.5.2 of the IBC (F). Delete this section.
   Section 903.3.5.3 of the IBC (F). Add a new section 903.3.5.2 to read as follows:
      903.3.5.3 Water supply safety margin. The fire sprinkler system hydraulically calculated demand per NFPA 13 or NFPA 13R including required hose stream allowances, and domestic water demand if required by section 903.3.5.2, must be a minimum 10%, but not less than 5 psi below the water supply flow test curve, the flow test must have been conducted within 90 days of fire sprinkler plan submittal to the city and third party reviewer (if applicable) or as deemed current and approved by the local water jurisdiction. The base of riser psi at the time of acceptance test shall also be 10% but not less than 5 psi above the most demanding hydraulically calculated pressure.
   Section 903.4 of the IBC (F). Delete exception number 5 without substitution.
   Section 903.4.2 of the IBC(F). Delete the section 903.4.2 and replace with:
      903.4.2 Alarms. An approved weatherproof horn/strobe device shall be mounted directly above the fire department connection between seven (7) and ten (10) feet in height above grade. The water-flow alarm device shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Approved and supervised audible visual notification appliances shall be installed on each level of the interior of the building as required by the fire code official and NFPA 72. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.
   Section 903.6 of the IBC (F). Add a new Section 903.6 to the IBC to read as follows:
      903.6 Zones. Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13 or NFPA 13R and shall provide a sprinkler control valve and waterflow device for each normally occupied floor. The location of sprinkler control valves must be approved by the fire code official.
   Section 905.1.1 of the IBC (F). Add a new Section 905.1.1 to the IBC to read as follows:
      905.1.1 Delete all references to Class II standpipe systems and replace with Class III standpipe systems.
   Section 905.3.4 of the IBC (F). Delete the exception without substitution.
   Section 905.3.9 of the IBC (F). Add a new section 905.3.9 to read as follows:
      905.3.9 Additional Standpipe Systems: Additional standpipe systems may be added to new buildings or structures as deemed necessary by the Code Official.
   Section 905.4 of the IBC (F). Amend section 905.4 by deleting #1 and replace with:
      1.   In every required interior exit stairway, a hose connection shall be provided for each story above and below grade plane. Hose connections shall be located at intermediate landings between stories, unless otherwise approved by the fire code official.
   Section 906.1 of the IBC (F). Delete the exceptions 1 and 2 without substitution.
   Section 906.3 of the IBC (F). Add a sentence to the end of the section to read as follows:
      The minimum rating of any required portable fire extinguisher for Class A, Class B, or Class C hazard shall be 2-10 B C
   Section 907.1.4 of the IBC (F). Add a new section 907.1.4 to read as follows:
      907.1.4 Fire alarm control panels and Fire alarm annunciator panels. Installation of fire alarm control panels and fire alarm annunciator panels shall be installed in accordance with section 907.1.4.1 through 907.1.4.5.
   Section 907.1.4.1 of the IBC (F). Add a new section 907.1.4.1 to read as follows:
      907.1.4.1 Fire Alarm Panel Height: Installation of fire alarm panels shall not exceed 6 feet in height measured from the floor to the top of the panel. Exception: Panel height may be altered by the fire code official.
   Section 907.1.4.2 of the IBC (F). Add a new section 901.1.4.2 to read as follows:
      901.1.4.2 Number of Fire Alarm Control Panels in Buildings: Only one listed fire alarm control panel shall be allowed per building and shall lock in the alarm until the system is reset and shall not be canceled by the operation of an audible - alarm silencing switch. This control panel shall only receive alarm signals from fire protection equipment.
   Section 907.1.4.3 of the IBC (F). Add a new section 907.1.4.3 to read as follows:
      907.1.4.3 Combination Fire/Security Alarm System Panels. A listed combination fire/security alarm system panel that meets all the requirements of this code and amendments may be permitted by approval of the fire code official. The fire/security panel shall be capable of providing a signal that can differentiate between the fire and security alarm.
   Section 907.1.4.4 of the IBC (F). Add a new section 907.1.4.4 to read as follows:
      907.1.4.4 Password/PIN Protection Prohibited: Fire alarm control panels and/or fire alarm annunciator panels that require a password/PIN to silence an alarm/supervisory/trouble signal and/or to reset an alarm/supervisory/trouble signal shall be prohibited.
   Section 907.1.4.5 of the IBC (F). Add a new section 907.1.4.5 to read as follows:
      907.1.4.5 Fire Alarm Annunciator Panels: The fire code official can require the addition of fire alarm annunciator panels based on the size of building and access to the building. These panels shall meet the requirements of Sections 907.1.4 and 907.2.
   Section 907.2 of the IBC (F). Delete section 907.2 and replace with:
      907.2 Where required - new buildings and structures. An approved and addressable manual, automatic, or manual and automatic fire alarm system installed in accordance with the provisions of this code and NFPA 72 shall be provided in new buildings and structures in accordance with Sections 907.2.1 through 907.2.23 and provide occupant notification in accordance with 907.5 unless other requirements are provided by another section of this code. Not fewer than one manual fire alarm box shall be provided in an approved location to initiate a fire alarm signal for fire alarm system employing automatic fire detectors or water-flow devices. Where other sections of this code allow elimination of fire alarm boxes due to sprinklers, a single fire alarm box shall be installed.
      Exceptions:
      1)   The manual fire alarm box is not required for fire alarm systems dedicated to elevator recall control and supervisory service.
      2)   The manual fire alarm box is required for Group R-2 occupancies to provide a means for fire watch personnel to initiate an alarm during
      a sprinkler system impairment event. The manual fire alarm box shall not be located in an area that is accessible to the public.
      3)   Multi-tenant buildings required to have a manual/automatic fire alarms system shall install one manual pull station per tenant space.
      4)   Visual notification appliances are not required within self-storage units.
   Section 907.2.1.3 of the IBC [F]. Add a new section 907.2.1.3 to read as follows:
      Group A Occupancies. In Group A occupancies, the activation of the fire alarm or fire sprinkler system, shall automatically shut down or stop music, sound systems, conflicting or confusing sounds and visual distractions and initiate illumination of all the means of exit egress components.
   Section 907.2.9.1 [F] Delete exception 2 without substitution.
   Section 907.2.11.2 of the IBC (F). Modify 907.2.11.2 by adding a fourth location requirement as follows:
      4.   Supervised smoke alarms shall be installed in all common corridors and at the top and bottom of all stairway enclosures in Groups R-2, R-4 and I-1 occupancies. In corridors, detectors shall be located within fifteen (15) feet of the end of the corridor and in such a way that one detector is located for each thirty (30) feet of corridor length or spaced as allowed by the code.
   Section 907.2.13.2 of the IBC (F). Delete 907.2.13.2 without substitution.
   Section 907.4.2 of the IBC (F). Modify 907.4.2 by adding a sentence to the end of the section to read as follows:
      Where, in the opinion of the code official, manual fire alarm boxes may be used to cause false fire alarms, the code official is authorized to modify the requirements for manual fire alarm boxes.
   Section 907.6.3 of the IBC (F). Delete 907.6.3 and replace with:
      907.6.3 Initiating device identification. The fire alarm system shall identify the specific initiating device with an alphanumeric address description showing location, type of device, and status including indication of normal, alarm, trouble, and supervisory, as appropriate. Alphanumeric descriptions and locations shall be reported to the emergency communications center upon activation of an alarm condition as specified by the fire code official.
      Exception:
      1.   Special initiation devices that do not support individual device identification.
   Section 907.6.4 of the IBC (F). Modify 907.6.4 by deleting the exception and inserting in lieu thereof the following exception:
      Exception: Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13 and shall provide a sprinkler control valve and waterflow device for each normally occupied floor.
   Section 907.6.4.3 of the IBC (F). Add a new section 907.6.4.3 to read as follows:
      Section 907.6.4.3 Zone and address location labeling. Fire alarm and/or annunciator panels shall have all zones and address points plainly and permanently labeled as to their location on the outside of the panel or on an easily readable map of the building if no display is present.
   Section 907.6.6 of the IBC (F). Delete 907.6.6 and replace with:
      907.6.6 Monitoring. Fire alarms required by this chapter, the International Building Code, or the Code Official, an approved UL listed Central Station service in accordance with NFPA 72 shall monitor fire alarm systems to provide for the immediate and automatic notification to the emergency communications center. Each initiating device shall report an address point and an alpha/numeric descriptor showing location, type of device and status including indication of normal, alarm, trouble and supervisory status, as appropriate. Alpha/numeric descriptor shall be required to be reported to the emergency communications center upon activation of alarm conditions as specified by the fire code official.
      Exception: Monitoring by a supervising station is not required for:
         1.   Single- and multiple-station smoke alarms required by Section 907.2.11.
         2.   Smoke detectors in Group I-3 occupancies.
         3.   Automatic sprinkler systems in one- and two-family dwellings
         4.   Fire alarm systems in one- and two-family dwellings
   Section 907.7.4 of the IBC (F). Add a new section 907.7.4 to read as follows:
      907.7.4 Device/Zone Map. An easily readable fire alarm device and/ or zone map of the building shall be permanently mounted in or near the fire alarm control panel and documentation cabinet showing the location of all initiating devices when required by the fire code official.
   Section 907.9 of the IBC (F). Add a new Section 907.9 as follows:
      907.9 Approved hold open devices. When installed in buildings that have a fire alarm system and /or sprinkler system, all approved hold open devices shall release upon activation of the fire alarm and/or sprinkler water-flow activation.
   Section 912.4.1 of the IBC (F). Delete the section 912.4.1 and replace with:
      Section 912.4.1 Locking fire department connection caps. Locking fire department connection caps approved by the fire department are required for all new construction that have a water-based fire protection system and existing structures that have a water-based fire protection system shall be required immediately after conducting the five-year obstruction and maintenance testing, or if one or more of the fire department caps are missing.
   Section 912.7 of the IBC (F). Add a new section 912.7 to read as follows:
      907.7 Fire Department Connection Height. The fire department connection shall be located not less than 18 inches from the bottom of the cap(s) and not more than 3 feet from the top of the cap(s) above the level of the adjacent grade or access level. Deviation from this height may be granted by the Code Official for just cause.
   Section 912.8 of the IBC (F). Add a new section 912.8 to read as follows:
      912.8 Size. Minimum fire department connection size shall be 2 ½" inch National Standard Thread siamese connection.
   Section 1011.3 of the IBC. Modify 1011.3 by adding a third exception as follows:
      Exception:
      3.   Stairs within individual dwelling units of residential Group R occupancies that existed prior to 8/28/02 (adoption of the 2000 IRC) are permitted a 78-inch (6'-6") headroom clearance.
   Section 1023.4 of the IBC. Modify 1023.4 by adding a fourth unnumbered paragraph as follows:
      Fire door assemblies that provide access to a non-pressurized interior exit of R-2 occupancies shall also be automatic closing by actuation of a smoke detector.
   Section 1030.2 of the IBC (F). Modify 1030.2 by adding a new exception as follows:
      EXCEPTION:
      1)   The main entrance/exit of A-2 occupancies shall be of a width that accommodates not less than two-thirds of the total occupant load.
   Section 1031.2 of the IBC. Modify 1031.2 by deleting the exceptions and inserting in lieu thereof the following:
      EXCEPTIONS:
      1.   The emergency escape and rescue opening is permitted to open onto a balcony within an atrium in accordance with the requirements of Section 404 provided the balcony provides access to an exit and the dwelling unit or sleeping room has a means of egress that is not open to the atrium.
      2.   Regardless of what Tables 1006.3.4(1) and 1006.3.4(2) allow, all group R-2 occupancies other than hotels and motels must be provided with emergency escape & rescue openings.
      3.   Emergency escape and rescue openings are not required from basements or sleeping rooms that have an exit door or exit access door that opens directly into a public way or to a yard, court or exterior exit balcony that opens to a public way.
   Section 1031.7 of the IBC. Add a new Section 1031.7 to read as follows:
      1030.7. Emergency escape windows under decks, porches and cantilevers shall be fully openable and provide a path not less than 36 inches in height and 36 inches in width to a yard or court.
   Chapter 11 of the IRC. Delete Chapter 11 in its entirety and insert in lieu thereof the following:
      Chapter 11 Energy Efficiency, Section N1101. Energy efficiency for the design and construction of building regulated by this code shall be as required by 661-303 of the Iowa State Administrative Code.
   Chapter 11 of the IBC. Delete Chapter 11 in its entirety and insert in lieu thereof the following:
      Chapter 11 Accessibility, Section 1101. Buildings or portions of buildings shall be accessible to persons with disabilities as required by 661-302 of the Iowa State Administrative Code.
   Section 1209.2 of the IBC. Modify 1209.2 by adding a second unnumbered paragraph as follows:
      The opening shall be located in a corridor, hallway, or other readily accessible location. The opening shall not be located in a closet, bathroom, mechanical room, laundry room, or similar room or location. Attics with a maximum vertical height of less than thirty inches need not be provided with access openings.
   Chapter 13 of the IBC. Delete Chapter 13 in its entirety and insert in lieu thereof the following:
      Chapter 13 Energy Efficiency, Section 1301. Energy efficiency for the design and construction of building regulated by this code shall be as required by 661-303 of the Iowa State Administrative Code.
   Section 1612.2 of the IBC. Delete 1612.2 of the IBC and insert in lieu thereof the following:
      1612.2 Design and Construction. The design and construction of buildings and structures located in flood hazard areas, shall be in accordance with Chapter 5 of ASCE 7, ASCE 24 and Title 14, Chapter 5 Article J Flood Plain Management Standards in the City Code.
   Section 1612.3 of the IBC. Amend 1612.3 by inserting:
      Jurisdiction: City of Iowa City, Iowa
      Date: February 16, 2007
   Section 1705.18 of the IBC. Delete 1705.18 and insert in lieu thereof the following:
      1705.18 Fire-resistant penetrations and joints. In high-rise buildings, in buildings assigned a Risk Category III or IV, or Group R occupancies over 3 stories in height, special inspections for through penetrations, membrane penetration firestops, fire-resistant joint systems and perimeter fire containment systems that are tested and listed in accordance with Sections 714.4.1.2, 714.5.1.2, 715.3.1 and 715.4 shall be in accordance with Section 1705.18.1 or 1705.18.2.
   Part V Mechanical, Chapters 12 through 23 inclusive of the IRC. Delete Part V Mechanical Chapters 12 through 23 inclusive and insert the following:
      Part V Mechanical, Chapter 12
      Section M1201 GENERAL
      M1201.1 Mechanical systems shall comply with the Iowa State Mechanical Code.
      Administrative Provisions. The Mechanical Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended.
   Part VI Fuel Gas, Chapter 24 of the IRC. Delete Part VI Fuel Gas Chapter 24 and insert the following:
      Part VI Fuel Gas, Chapter 24
      G2401 GENERAL
      G2401.1 Fuel Gas systems shall comply with the Iowa State Plumbing Code.
      Administrative Provisions. The Plumbing Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended.
   Part VII Plumbing, Chapters 25 through 33 inclusive of the IRC. Delete Part VII Plumbing Chapters 25 through 33 inclusive and insert the following:
      Part VII Plumbing, Chapter 25
      P2501 GENERAL
      P2501.1 Plumbing systems shall comply with the Iowa State Plumbing Code.
      Administrative Provisions. The Plumbing Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended.
   Chapter 27 of the IBC. Amend Section 2701 as follows:
      2701 GENERAL
      2701.1 Electrical systems shall comply with the Iowa State Electrical Code.
      Administrative Provisions. The Electrical Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended and Appendix K as amended.
   Chapter 28 of the IBC. Delete chapter 28 and insert the following:
      Chapter 28 Mechanical Systems
      2801.1 Mechanical systems shall comply the Iowa State Mechanical Code with the following amendments:
      Administrative Provisions. The Mechanical Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended.
      2801.2 Commercial Kitchen Hood Exhaust Termination:
      In addition to the code requirements for commercial kitchen hood exhaust termination locations, the following shall apply:
      1.   For new construction, change in occupancy or change in use, that requires a new commercial kitchen hood or revisions to an existing commercial kitchen hood, the new or existing commercial kitchen hood exhaust duct shall terminate as follows: Above the roof level without passing through an exterior wall; or
      2.   Through an alley facing exterior wall provided the termination is above the roof level; or
      3.   To an alley right of way per 3202.3.2 of the International Building Code.
   Chapter 29 of the IBC. Delete Chapter 29 and insert the following:
      Chapter 29 Plumbing Systems
      2901.1 Plumbing systems shall comply with the Iowa State Plumbing Code.
      Administrative Provisions. The Plumbing Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended.
   Section 3002.4 of the IBC. Delete 3002.4 and insert in lieu thereof the following:
      3002.4 Elevator car to accommodate ambulance stretcher.
      In buildings four or more stories above, or four or more stories below, grade plane, at least one elevator shall be provided for fire department emergency access to all floors. The elevator car shall be of such a size and arrangement to accommodate an ambulance stretcher 24 inches by 84 inches (610 mm by 2134 mm) with not less than 5-inch (127 mm) radius corners, in the horizontal, open position and shall be identified by the international symbol for emergency medical services (star of life). The symbol shall not be less than 3 inches (76 mm) high and shall be placed inside on both sides of the hoistway door frame.
   Part VIII Electrical, Chapters 34 through 43 inclusive of the IRC. Delete Part VIII Electrical Chapters 34 through 43 inclusive of the IRC and insert the following:
      Part VIII Electrical, Chapter 34
      E3401 GENERAL
      E3401.1 Electrical systems shall comply with the Iowa State Electrical Code.
      Administrative Provisions. The Electrical Code shall be administered in accordance with administrative provisions in chapter 1 of this code as amended and Appendix K of the IBC as amended.
   Appendix K of the IBC.
      Section K103.2 of the IBC. Work exempt from permit. Delete K103.2 and insert in lieu thereof the following:
      K103.2 Work exempt from permit. See section 105.2 in both the IRC and IBC.
   Section K106.5 of the IBC. Add a new Section K106. 5 as follows:
      K106. 5 Energy Connections; An electrical system or equipment regulated by this code for which a permit is required shall not be connected to a source of energy or power until approved by the building official.
   Section K106.6 of the IBC. Add a new Section K106. 6 as follows:
      K106. 6 Temporary Energy Connections. The building official may authorize the temporary connection of the electrical system or equipment to the source of energy or power for the purpose of testing the equipment, or for use under a temporary certificate of occupancy.
   Appendix AF of the IRC. Delete AF104 of the IRC entirely.
   Appendix AJ of the IRC.
      Section AJ102.4 of the IRC. Delete AJ102.4 and insert in lieu thereof the following:
      AJ102.4 Replacement windows and doors. Regardless of the category of work, where an existing window or door, including the sash and glazed portion, or safety glazing is replaced, the replacement window, door or safety glazing shall comply with the requirements of Sections AJ102.4.1 through AJ102.4.3, as applicable.
   Section AJ102.4.1 of the IRC. Delete AJ102.4.1 and insert in lieu thereof the following:
      AJ102.4.1 Energy efficiency. Replacement windows or doors shall comply with the requirements of Chapter 11.
   Section AJ102.4.4 of the IRC. Delete AJ102.4.4 entirely.
   Section AJ109.7 of the IRC. Delete AJ109.7 and insert in lieu thereof the following:
      AJ109.7 Ceiling height. Habitable spaces created in existing basements or attics shall have ceiling heights of not less than 6 feet,
      8 inches (2032 mm), except that the ceiling height at obstructions shall be not less than 6 feet 4 inches (1930 mm) from the basement or attic floor. Existing finished ceiling heights in nonhabitable spaces in basements or attics shall not be reduced.
   Section AJ109.8.1 of the IRC. Delete AJ109.8.1 and insert in lieu thereof the following:
      AJ109.8.1 Stair width. Existing basement and attic stairs and handrails not otherwise being altered or modified shall be permitted to maintain their current clear width at, above and below existing handrails.
   Section AJ109.8.2 of the IRC. Delete AJ109.8.2 and insert in lieu thereof the following:
      AJ109.8.2 Stair headroom. Headroom height on existing basement or attic stairs being altered or modified shall not be reduced below the existing stairway or attic finished headroom. Existing basement or attic stairs not otherwise being altered shall be permitted to maintain the current finished headroom.
   Section AJ109.8.3 of the IRC. Delete AJ109.8.3 and insert in lieu thereof the following:
      AJ109.8.3 Stair landing. Landings serving existing basement or attic stairs being altered or modified shall not be reduced below the existing stairway landing depth and width. Existing basement or attic stairs not otherwise being altered shall be permitted to maintain the current landing depth and width.
(Ord. 19-4777, 2-5-2019; amd. Ord. 23-4903, 6-20-2023)