Section 308.5.4 Five or Fewer Persons Receiving Care in a Dwelling Unit: Delete section 308.5.4 and insert in lieu thereof the following new section and exception:
Section 308.5.4 Eight or Fewer Persons Receiving Care in a Dwelling Unit. A facility such as the above within a dwelling unit and having eight or fewer persons receiving custodial 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 16 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 Care Facilities within a Dwelling: Delete section 310.4.1 and insert in lieu thereof the following new section and exception:
Section 310.4.1 Care Facilities within a Dwelling: A facility such as the above within a dwelling unit and having eight or fewer persons receiving custodial 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 16 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 403.3.2 Water Supply to Required Fire Pumps. Delete section 403.3.2 and insert in lieu thereof the following section.
Section 403.3.2 Water Supply to Required Fire Pumps. Required fire pumps shall be supplied by connections to a minimum of two water mains located in different streets. Separate supply piping shall be provided between each connection to the water main and the pumps. Each connection and the supply piping between the connection and the pumps shall be sized to supply the flow and pressure required for the pumps to operate.
Exception: Two connections to the same main shall be permitted provided the main is valved such that an interruption can be isolated so that the water supply will continue without interruption through at least one of the connections.
Section 406.3.2.1 Dwelling Unit/Garage Separation: Insert 5/8 inch Type X gypsum board at all locations listed as ½ inch.
Section 419.1 General: Delete the exception and replace with the following two exceptions.
1. Dwelling or sleeping units that include an office that is less than 10 percent of the area of the dwelling unit are permitted to be classified as dwelling units with accessory occupancies in accordance with section 508.2.
2. Detached one and two family dwellings and townhomes that include an office that is less than 20 percent of the area of the dwelling unit and constructed in accordance with the International Residential Code are not required to comply with sections 419.1 through 419.9.
Section 419.1.1 Limitations: Delete number 3 of this section and replace with the following.
3. The nonresidential area function shall be limited to floors of the live/work unit with exit at the 1st story or a basement walkout of the live/work unit.
Section 419.2 Occupancies: Add the following additional exception.
2. Live/work units located within detached one and two family dwellings and townhouses may be constructed in accordance with the International Residential Code.
Section 423.4 Group E Occupancies: Delete this section including the subsections and replace with the following section and subsections.
Section 423.4 Group E Occupancy: In areas where the shelter design wind speed for tornadoes is 250 mph in accordance with Figure 304.2 (1) of ICC 500, all group E occupancies with a program occupant load of 50 or more shall have a storm shelter constructed in accordance with chapters 1 through 5 and 8 of ICC 500.
The installation of portable buildings for utilization on the campus or site for educational purposes is considered new construction and classified as group E occupancies.
Exceptions:
1. Group E day care facilities
2. Group E occupancies accessory to place of religious worship
3. Buildings meeting the requirements for shelter design in ICC 500
4. Accessory structures to existing group E sites where the occupancy classification of said structures are classified as Groups A-5 and U.
Section 423.4.1 Required Occupant Capacity: The required occupant capacity of the storm shelter shall include all buildings classified as a group E occupancy on the campus or site (whichever is larger) and shall be the greater of the following:
1. The total occupant load of the classrooms, vocational rooms and offices in the group E occupancy.
2. The occupant load of any indoor assembly space that is associated with the group E occupancy.
Exceptions:
1. Where a new building is being added on an existing group E site, and where the new building is not of sufficient size to accommodate the required occupant capacity of the storm shelter for all of the buildings on site, the storm shelter shall at a minimum accommodate the required capacity for the new building.
2. Where approved by the code official, the required occupant capacity of the shelter shall be permitted to be reduced by the occupant capacity of any existing storm shelters on the campus or site.
Section 423.4.2 Location: Storm shelters shall be located within the buildings they serve, or shall be located where the maximum distance of travel from not fewer than one exterior door of each building to a door of the shelter serving the building does not exceed 1,000 feet.
Section 502.1 Address Identification: Delete this section and add this section in lieu thereof.
Section 502.1 Address Identification: New and existing buildings shall have approved address numbers, building numbers or approved building identification placed in a position that is plainly legible and visible from the street or road fronting the property. These numbers shall be black or white and shall contrast with their background. Where required by the fire code official, address numbers shall be provided in greater dimension or additional approved locations to facilitate emergency response. Address numbers shall be Arabic numbers or alphabetical letters. Numbers and letters shall be a minimum height and a minimum stroke width as dictated by table 502.1. 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 numbers shall be maintained.
Table 502.1 Minimum Height and Stroke Width^,^^
Distance from the centerline of the public way (feet) | Minimum Height (inches) | Minimum Stroke Width (inches) |
Less than 100 | 4 | 1/2 |
100-199 | 6 | 3/4 |
200-299 | 8 | 1 |
For each additional 100 | Increase 2" | Increase ½" |
^ Exterior suite identification, minimum height shall be 4 inches and stroke width shall be ½ inch.
^^ Interior suite identification, minimum height shall be 2 inches and stroke width shall be 1/4 inch.
Section 713.3 Shaft Materials: Delete this section and add this section and subsections in lieu thereof.
Section 713.3 Shaft Materials: Shaft enclosures shall be constructed as described in sections 713.3.1 and 713.3.2.
Section 713.3.1 One Hour Shafts: Shafts that are allowed to have a fire resistance rating of 1 hour or less are allowed to be constructed of materials permitted by the building type of construction.
Section 713.3.2 Two Hour Shafts: Shafts that are required to have a fire resistance rating of 2 hours or more serving interior exit stairs and interior exit ramps shall be constructed of concrete or masonry. All other shafts that are required to have a fire resistance rating of 2 hours or more shall be constructed of non-combustible materials.
Section 902.1.1 Access: Add the following subsection:
902.1.1.1 Fire Sprinkler Riser Room. A fire sprinkler riser room shall be separated from the electrical room. The riser room shall have no electrical panels, devices or apparatus inside the room other than the outlets or support equipment (lighting, air compressor, and heater) required for the use of the fire sprinkler system and/or fire alarm panel. The sprinkler riser room shall not be accessed from the electrical room, but the electrical room may be accessed from the fire riser room.
Section 903.2 Automatic Sprinkler Systems: Where Required. Add the following language:
Approved automatic sprinkler systems in new buildings and structures shall be provided as required per the local Fire Code.
Section 903.4.2 Alarms. Delete section 903.4.2 and insert in lieu thereof the following section.
903.4.2 Alarms. An approved weather proof audible device suitable for outdoor use with 110 candela visual signal shall be connected to every automatic sprinkler system. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice sized installed in the system. Alarm devices shall be provided on the exterior of the building in an approved location. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.
Section 907 Fire Alarm and Detection Systems: Where required-new buildings and structures. Add the following language.
Approved fire alarm and detection systems in new buildings and structures shall be provided as required per the local Fire Code.
Section 907 Fire Alarm and Detection Systems: Insert the following new section:
Section 907.1.4 Fire Alarm Control Panels (FACP). Each building shall have no more than one Fire Alarm Control Panel. Installation of fire alarm control panel shall not exceed six feet in height measured from the floor to the top of the control panel.
Exception: Suppression system releasing panels are not required to meet the height requirement or the limitation in the number of panels.
Section 907.6.6 Monitoring. Delete section 907.6.6 and insert in lieu thereof the following new section:
Section 907.6.6 Monitoring. Fire alarm systems required by this chapter or by the International Fire Code shall be monitored by a central station approved and listed under UL 827 in accordance with NFPA 72.
Exception: Monitoring is not required for automatic sprinkler and fire alarm systems in one-and two-family dwellings.
Section 1008.3.1 General. Delete section 1008.3.1 and insert in lieu thereof the following new section:
Section 1008.3.1 General. In the event of the power supply failure in rooms and spaces that require two or more means of egress or are 400 square feet or greater, an emergency electrical system shall automatically illuminate all of the following areas:
1. Aisles
2. Corridors
3. Exit access stairways and ramps
Section 1008.3.2 Buildings. Delete section 1008.3.2 and insert in lieu thereof the following new section:
Section 1008.3.2 Buildings. In the event of the power supply failure in rooms and spaces that require two or more means of egress or are 400 square feet or greater, an emergency electrical system shall automatically illuminate all the following areas:
1. Interior exit access stairways and ramps.
2. Interior and exterior exit stairways and ramps.
3. Exit passageways.
4. Vestibules and areas on the level of exit discharge used for exit discharge in accordance with section 1028.1.
5. Exterior landings as required by section 1010.1.6 for exit doorways that lead directly to exit discharge.
Section 1008.3.3 Rooms and Spaces. Replace item #5 with the following:
5. Restrooms containing more than one water closet/urinal or that are accessible.
Section 1009.2 Continuity and Components. Add the following to this section:
11. Components of exterior walking surfaces shall be concrete, asphalt, or other approved hard surface.
Section 1010.1.6 Landings at Doors: Add the following sub-sections:
Section 1010.1.6.1 Frost Protection of Landings
Exterior landings at doors shall be provided with frost protection.
Section 1013.1 Where Required. Add the following subsection:
Section 1013.1.1 Additional Exit Signs. Exit signs may be required at the discretion of the building official to clarify an exit or exit access.
Section 1014.4 Continuity: Add the following section.
6. Handrails within a dwelling unit or serving an individual dwelling unit of groups R-2 and R-3 shall be permitted to be interrupted at one location in a straight stair when the rail terminates into a wall or ledge and is offset and immediately continues.
Section 1028.5 Access to Public Way. Add the following subsection.
Section 1028.5.1 Exterior Walking Surfaces. Components of exterior walking surfaces shall be concrete, asphalt, or other approved hard surfaces.
Section 1030.3 Maximum Height from Floor: Add the following exception.
A landing may be provided to meet the maximum sill height of forty-four (44) inches above the floor or landing provided. The landing shall be not less than thirty-six (36) inches wide, not less than twelve (12) inches out from the exterior wall, and not more than twenty-four (24) inches in height. The landing shall be permanently affixed to the floor below or the wall under the window it serves.
Section 1030.4 Window Wells: Add the following subsection:
1030.4.3 Window Well Drainage
All window wells shall be designed for proper drainage by connecting to the perimeter foundation drainage system or another approved alternate means. The drainage system shall connect to a sump pit that contains a pump that will discharge the drainage to a storm sewer. Storm water shall not discharge into the sanitary sewer system. Alternate discharge may be approved if a storm sewer service has not been provided to the property.
Section 1608.2 Ground Snow Loads: Delete this section and insert the following in lieu thereof:
The ground snow load to be used in determining the design snow load for roofs is hereby established at 30 pounds per square foot. Subsequent increases or decreases shall be allowed as otherwise provided in the building code, except that the minimum allowable flat roof snow load may be reduced to not less than 80 percent of the ground snow load.
Section 1612.1 General: Delete this section and insert the following in lieu thereof:
Section 1612.1 General: Buildings and structures constructed in whole or in part in flood hazard areas and substantial improvements and restoration of substantial damage of buildings and structures in flood hazard areas shall be regulated in accordance with chapter 11 of the zoning ordinance.
Section 1809.5 Frost Protection: Delete Exceptions 1, 2 and 3 and insert the following in lieu thereof:
1. Protection of freestanding accessory buildings with an area of 400 square feet and under of light-framed construction and with an eave height of 10 feet or less shall not be required to have frost footings. A means of hold down on a minimum of 4 corners shall be provided.
2. Protection of freestanding accessory buildings with an area of 400 square feet and under of other than light-framed construction and with an eave height of 10 feet or less shall have reinforced 12 inch by 12 inch thickened edge footings below a 4 inch concrete slab. All vegetation and/or debris shall be removed and the area under the slab shall be provided with a minimum of 3 inches of compacted aggregate backfill.
3. Protection of freestanding accessory buildings with an area of 401 to 600 square feet of light-framed construction and with an eave height of 10 feet or less shall have reinforced 12 inch by 12 inch thickened edge footing below a 4 inch concrete slab. All vegetation and/or debris shall be removed and the area under the slab shall be provided with a minimum of 3 inches of compacted aggregate backfill.
4. Protection of freestanding accessory buildings over 600 square feet shall meet the requirement of Table 301.2(1)
5. Decks not supported by a dwelling or accessed from a dwelling need not be provided with footings that extend below the frost line.
Appendix E of the IBC: Supplementary Accessibility Requirement is hereby adopted in full. (Ord. 1100, 4-8-2021)