Iowa Administrative Code › Agency 661 - Public Safety Department › Chapter 301 - State Building Code-general Provisions › Rule 661-301.8 - Residential Construction Requirements

Current through Register Vol. 47, No. 3, July 24, 2024
The provisions of the International Residential Code, 2015
				edition, published by the International Code Council, 500 New Jersey Avenue NW,
				6th Floor, Washington, D.C. 20001, are hereby adopted by reference as the
				requirements for construction, alteration, movement, enlargement, replacement,
				repair, equipment, use and occupancy, location, removal, and demolition of
				detached one- and two-family dwellings and multiple single-family dwellings
				(townhouses) not more than three stories in height with a separate means of
				egress and their accessory structures, with the following amendments:
Delete section R101.1.
Delete sections R103 to R114 and sections therein.
Note: The values for table R301.2(l) shall be determined by the
				location of the project and referenced footnotes from table R301.2(l).
Insert new Exception 5: "5. Exterior decks, exterior balconies,
				and exterior porches."
Delete chapter 11 and insert in lieu thereof rule
				661-303.2
				(103A).
Delete all references to the "International Plumbing Code" and
				insert in lieu thereof "state plumbing code."
Delete all references to the "International Mechanical Code"
				and insert in lieu thereof "state mechanical code."
Delete all references to the "International Fuel Gas Code" and
				insert in lieu thereof "rule
				661-301.9
				(103A)."
Delete all references to the "International Building Code" and
				insert in lieu thereof "rule
				661-301.3
				(103A)."
Delete all references to the "International Fire Code" and
				insert in lieu thereof "state fire code."
Delete section R310.1 and insert in lieu thereof the following
				new section:
R310.1 Emergency escape and rescue required. Basements,
				habitable attics and every sleeping room shall have at least one operable
				emergency and rescue opening. Such opening shall open directly into a public
				street, public alley, yard or court. Where basements contain one or more
				sleeping rooms, emergency egress and rescue openings shall be required in each
				sleeping room, but shall not be required in adjoining areas of the basement.
				Where emergency escape and rescue openings are provided, they shall have a sill
				height of not more than 44 inches (1118 mm) above an adjacent permanent
				interior standing surface. The adjacent permanent interior standing surface
				shall be no less than 36 inches wide and 18 inches deep and no more than 24
				inches high. Where a door opening having a threshold below the adjacent ground
				elevation serves as an emergency escape and rescue opening and is provided with
				a bulkhead enclosure, the bulkhead enclosure shall comply with section R310.3.
				The net clear opening dimensions required by this section shall be obtained by
				the normal operation of the emergency escape and rescue opening from the
				inside. Emergency escape and rescue openings with a finished sill height below
				the adjacent ground elevation shall be provided with a window well in
				accordance with section R310.2. Emergency escape and rescue openings shall open
				directly into a public way, or to a yard or court that opens to a public
				way.
Exception: Basements used only to house mechanical equipment
				and not exceeding total floor area of 200 square feet (18.58 m*).
Delete section R313.1.
NOTE: Deletion of section R313.1, which would have required the
				installation of sprinklers in newly constructed townhouses, is consistent with
				2010 Iowa Acts, Senate Joint Resolution 2009.
Delete section R313.2.
NOTE: Deletion of section R313.2, which would have required the
				installation of sprinklers in newly constructed one- and two-family residences,
				is consistent with 2010 Iowa Acts, Senate Joint Resolution 2009.
Amend section R322.1.7 by striking the words "Chapter 3 of the
				International Private Sewage Disposal Code" and inserting in lieu thereof "567
				Iowa Administrative Code Chapter 69."
Delete chapter 24 and sections therein and insert in lieu
				thereof the following new section:
All fuel gas piping installations shall comply with rule
				661-301.9
				(103A).
Delete chapters 25 to 33 and sections therein, except for
				section P2904, and insert in lieu thereof the following new section:
All plumbing installations shall comply with the state plumbing
				code as adopted by the state plumbing and mechanical systems board pursuant to
				Iowa Code chapter 105.
Exception: Factory-built structures, as referenced by Iowa Code
				section
				103A.10(3),
				that contain plumbing installations are allowed to comply with either the state
				plumbing code or with the International Plumbing Code, 2015 edition, published
				by the International Code Council, 5 00 New Jersey Avenue NW, 6th Floor,
				Washington, D.C. 20001. The manufacturer's data plate must indicate which
				plumbing code was utilized for compliance with this rule, as required by
				661-paragraph 16.610(15)
"e. "
Delete chapters 34 to 43 and sections therein and insert in
				lieu thereof the following new section:
The provisions of the state electrical code, as adopted and
				amended in 661-Chapter 504, are hereby adopted by reference as the requirements
				for electrical installations.
Delete appendices A through U of the IRC.