HB 1167 — Concerning residential housing regulations.

(c) Cities that meethave thea criteriamunicipal inwater RCWsupply 19.27.060(4)and a professional fire department may not require more than a single stairway in residential buildings of six or fewer storiesstories. that meet the conditions in RCW 19.27.060(3).

p.(b) For the purposes of this section, "community core location" means:

3 SHB 1167 (b) For the purposes of this section, "community core location" means:

Sec.

4.

RCW 19.27.060 and 2018 c 302 s 2 are each amended to read as follows:

(1) The governing bodies of counties and cities may amend the codes enumerated in RCW 19.27.031 as amended and adopted by the state building code council as they apply within their respective jurisdictions, but the amendments shall not result in a code that is less than the minimum performance standards and objectives contained in the state building code except as provided in subsection (2) of this section.

(a) Except as provided in subsection (2) of this section, no amendment to a code enumerated in RCW 19.27.031 as amended and adopted by the state building code council that affects single-family or multifamily residential buildings shall be effective unless the amendment is approved by the building code council under RCW 19.27.074(1)(b).

(b) Any county or city amendment to a code enumerated in RCW 19.27.031 which is approved under RCW 19.27.074(1)(b) shall continue to be effective after any action is taken under RCW 19.27.074(1)(a) without necessity of reapproval under RCW 19.27.074(1)(b) unless the amendment is declared null and void by the council at the time any action is taken under RCW 19.27.074(1)(a) because such action in any way altered the impact of the amendment.

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4 SHB 1167 (2) The legislative body of a county or city, in exercising the authority provided under subsection (1) of this section to amend the code enumerated in RCW 19.27.031(1)(b), may adopt amendments that eliminate any minimum gross floor area requirement for single-family detached dwellings or that provide a minimum gross floor area requirement below the minimum performance standards and objectives contained in the state building code.

(3) The legislative body of a county or city, in exercising the authority provided under subsection (1) of this section to amend the code enumerated in RCW 19.27.031(1)(b), may adopt amendments that allow for up to five stories of group R-2 occupancy to be served by a single exit under the following conditions:

(a) The building does not have more than six stories above grade plane;

(b) The building does not contain a boarding house;

(c) The building does not have more than four dwellings on any floor;

(d) The building is constructed with not less than one-hour fire- resistive construction and is also equipped throughout with an automatic sprinkler system in accordance with section 903.3.1.1 of the international building code.

Residential-type sprinklers must be used in all habitable spaces in each dwelling unit;

(e) There are not more than two single exit stairway conditions on the same property for buildings four stories tall or higher;

(f) An exterior stairway or interior exit stairway is provided.

The interior exit stairway, including any related exit passageway, must be pressurized in accordance with section 909.20 of the international building code.

Doors in the stairway must swing into the interior exit stairway regardless of the occupant load served, provided that doors from the interior exit stairway to the building exterior are permitted to swing in the direction of exit travel;

(g) A corridor separates each dwelling unit entry/exit door from the door to an interior exit stairway, including any related exit passageway, on each floor.

Dwelling unit doors must not open directly into an interior exit stairway.

Dwelling unit doors are permitted to open directly into an exterior stairway;

(h) There are not more than 20 feet of travel to the exit stairway from the entry/exit door of any dwelling unit;

(i) Travel distance measured in accordance with section 1017 of the international building code does not exceed 125 feet;

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5 SHB 1167 (j) The exit does not terminate in an egress court where the court depth exceeds the court width unless it is possible to exit in either direction to the public way;

(k) Elevators are pressurized in accordance with section 909.21 of the international building code or open into elevator lobbies that comply with section 713.14 of the international building code.

Where approved by the building official, natural ventilation is permitted to be substituted for pressurization where the ventilation would prevent the accumulation of smoke or toxic gases;

(l)(i) Other occupancies are permitted in the same building provided they comply with all other requirements of this subsection (3).

Except as provided in (l)(ii) of this subsection, other occupancies must not communicate with the group R occupancy portion of the building or with the single-exit stairway;

(ii) Parking garages and occupied roofs accessory to the group R occupancy are permitted to communicate with the exit stairway;

(m) The exit serving the group R occupancy does not discharge through any other occupancy, including an accessory parking garage;

and (n) There are no openings within 10 feet of unprotected openings into the stairway other than required exit doors having a one-hour fire-resistance rating.

(4)(a) A city that intends to adopt amendments under subsection (3) of this section must meet the following criteria prior to adoption:

(i) The city is served by a municipal fire department or fire district;

and (ii) The city does not have a current restriction on development due to lack of fire flow capacity as set forth in WAC 246-290-221.

Minimum fire flow capacity must be at least 750 gallons per minute for 60 minutes, as set forth in WAC 246-293-640.

(b) Nothing in this subsection precludes a city from making a determination that the city does not have appropriate fire apparatus or hydrant networks to serve single stairwell buildings.

(5) Except as permitted or provided otherwise under this section, the state building code shall be applicable to all buildings and structures including those owned by the state or by any governmental subdivision or unit of local government.

(((4))) (6) The governing body of each county or city may limit the application of any portion of the state building code to exclude p.

6 SHB 1167 specified classes or types of buildings or structures according to use other than single-family or multifamily residential buildings.

However, in no event shall fruits or vegetables of the tree or vine stored in buildings or warehouses constitute combustible stock for the purposes of application of the uniform fire code.

A governing body of a county or city may inspect facilities used for temporary storage and processing of agricultural commodities.

(((5))) (7) No provision of the uniform fire code concerning roadways shall be part of the state building code:

PROVIDED, That this subsection shall not limit the authority of a county or city to adopt street, road, or access standards.

(((6))) (8) The provisions of the state building code may be preempted by any city or county to the extent that the code provisions relating to the installation or use of sprinklers in jail cells conflict with the secure and humane operation of jails.

(((7))) (9)(a) Effective one year after July 23, 1989, the governing bodies of counties and cities may adopt an ordinance or resolution to exempt from permit requirements certain construction or alteration of either group R, division 3, or group M, division 1 occupancies, or both, as defined in the uniform building code, 1988 edition, for which the total cost of fair market value of the construction or alteration does not exceed ((fifteen hundred dollars)) $1,500.

The permit exemption shall not otherwise exempt the construction or alteration from the substantive standards of the codes enumerated in RCW 19.27.031, as amended and maintained by the state building code council under RCW 19.27.070.

(b) Prior to July 23, 1989, the state building code council shall adopt by rule, guidelines exempting from permit requirements certain construction and alteration activities under (a) of this subsection.

NEW SECTION.

Sec.

5.

The office of regulatory assistance shall contract with a qualified external consultant or entity to develop a standard plan set demonstrating a prescriptive compliance pathway that will meet or exceed all energy code regulations for residential housing in the state subject to the international residential code.

The standard plan set may be used, but is not required, by local governments and building industries.

In developing the standard plan set, the consultant shall, at a minimum, seek feedback from cities, p.

7 SHB 1167 counties, building industries, and building officials.

The standard plan set must be completed by December 31, 2023.

85 SHBHB 1167