Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-51 - State Building Code adoption and amendment of the 2021 edition of the International Residential Code › Section 51-51-0202 - Section R202-Definitions

Current through Register Vol. 24-14, July 15, 2024
ADULT FAMILY HOME.
A dwelling, licensed by the
				state of Washington department of social and health services, in which a person
				or persons provide personal care, special care, room and board to more than one
				but not more than six adults who are not related by blood or marriage to the
				person or persons providing the services. An existing adult family home may
				provide services to up to eight adults upon approval from the department of
				social and health services in accordance with
				RCW
				  70.128.066.
BUILDING.
Any one- or two-family
dwelling
or
townhouse
, or portion thereof
				used or intended to be used for human habitation, for living, sleeping, cooking
				or eating purposes, or any combination thereof, or any accessory
				structure.
BUILDING, EXISTING.
A
building
or
				structure erected prior to the adoption of this code, or one that has passed a
				final inspection.
CHILD CARE, FAMILY HOME.
A child care facility,
				licensed by Washington state, located in the dwelling of the person or persons
				under whose direct care and supervision the child is placed, for the care of
				sixteen or fewer children, including children who reside at the home.
CHILD DAY CARE,
shall, for the purposes of these
				regulations, mean the care of children during any period of a 24 hour
				day.
CONDITIONED SPACE.
An area, room or space that is
				enclosed within the building thermal envelope and that is directly or
				indirectly heated or cooled. Spaces are indirectly heated or cooled where they
				communicate through openings with conditioned spaces, where they are separated
				from conditioned spaces by uninsulated walls, floors or ceilings, or where they
				contain uninsulated ducts, piping or other sources of heating or
				cooling.
DISTRIBUTED WHOLE-HOUSE VENTILATION.
A whole-house
				ventilation system shall be considered distributed when it supplies outdoor air
				directly (not transfer air) to each dwelling or sleeping unit habitable space
				(living room, den, office, interior adjoining spaces or bedroom), and exhausts
				air from all kitchens and bathrooms directly outside.
DWELLING UNIT.
A single unit providing complete
				independent living facilities for one or more persons, including permanent
				provisions for living, sleeping, eating, cooking and sanitation. Dwelling units
				may also include the following uses:
1. Adult family homes, foster family care
			 homes and family day care homes licensed by the Washington state department of
			 social and health services.
2.
			 Offices, mercantile, food preparation for off-site consumption, personal care
			 salons or similar uses which are conducted primarily by the occupants of the
			 dwelling unit and are secondary to the use of the unit for dwelling purposes,
			 and which do not exceed 500 square feet (46.4
			 m2).
EGRESS ROOF ACCESS WINDOW.
A skylight or roof
				window designed and installed to satisfy the
Emergency Escape and
				Rescue Opening
requirements of Section R310.2.
ENCLOSED KITCHEN.
A kitchen whose permanent
				openings to interior adjacent spaces do not exceed a total of 60 square feet (6
				m2).
FIRE SEPARATION DISTANCE.
The distance measured
				from the foundation wall or face of the wall framing, whichever is closer, to
				one of the following:
1. To the
			 closest interior
lot line
; or
2. To the centerline of a street, an alley or
			 public way; or
3. To an imaginary
			 line between two buildings on the
lot
.
The distance shall be measured at a right angle from the
				wall.
FLOOR AREA.
The area within the inside perimeter
				of exterior walls of the building. The floor area of a building, or portion
				thereof, not provided with surrounding exterior walls shall be the usable area
				under the horizontal projection of the roof or floor above.
LANDING PLATFORM.
A landing provided as the top
				step of a stairway accessing a
Loft
.
LOCAL EXHAUST.
An exhaust system that uses one or
				more fans to exhaust air from a specific room or rooms within a residential
				dwelling or sleeping unit.
LOFT.
A space on an intermediate level or levels
				between the floor and ceiling of a dwelling or sleeping unit, open on one or
				more sides to the room or space in which the loft is located, and in accordance
				with Section R333.
LOT LINE.
The line which bounds a plot of ground
				described as a
lot
in the title to the property.
SALT WATER COASTAL AREA.
Those areas designated as
				salt water coastal areas by the local jurisdiction.
SMALL BUSINESS.
Any business entity (including a
				sole proprietorship, corporation, partnership or other legal entity) which is
				owned and operated independently from all other businesses, which has the
				purpose of making a profit, and which has fifty or fewer employees.
TOWNHOUSE UNIT.
A single-family
dwelling
				unit
in a
townhouse
that extends from foundation to
				roof and that has a yard or public way on not less than two sides that extends
				at least 50 percent of the length of each of these two sides.
Statutory Authority:
				  RCW
				    19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-068, §
				  51-51-0202, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 10-03-098, §
				  51-51-0202, filed 1/20/10, effective 7/1/10. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.020, and
				  chapters
				  19.27 and
				  34.05 RCW. 09-04-023, §
				  51-51-0202, filed 1/27/09, effective 7/1/09; 08-01-102, § 51-51-0202,
				  filed 12/18/07, effective 4/1/08. Statutory Authority:
				  RCW
				    19.27.074,
				  19.27.020, and
				  chapters
				  19.27 and
				  34.05 RCW. 07-01-090, §
				  51-51-0202, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-109, §
				  51-51-0202, filed 12/17/03, effective
				  7/1/04.