reglab/statecodes huggingface dataset:
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 51-51-60104 - Appendix AQ-Tiny houses

Current through Register Vol. 24-14, July 15, 2024
AQ102
Definitions.
EGRESS ROOF ACCESS WINDOW.
See Chapter 2.
LANDING PLATFORM.
See Chapter 2.
LOFT.
See Chapter 2.
TINY HOUSE.
A
dwelling unit
that
				is 400 square feet (37 m2) or less in floor area
				excluding
sleeping lofts
.
AQ103.1
Minimum ceiling height.
Habitable space in tiny
			 houses shall have a ceiling height of not less than 6 feet 8 inches (2032 mm).
			 Bathrooms, toilet rooms and kitchens shall have a ceiling height of not less
			 than 6 feet 4 inches (1930 mm). Obstructions including, but not limited to,
			 beams, girders, ducts and lighting, shall not extend below these minimum
			 ceiling heights.
EXCEPTION:
Ceiling heights in
lofts
shall be in
						  accordance with Section R333.
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 51-51-60105 - Appendix U-Dwelling unit fire sprinkler systems

Current through Register Vol. 24-14, July 15, 2024
The design and installation of residential fire sprinkler
				systems shall be in accordance with the International Residential Code Section
				P2904 Dwelling Unit Fire Sprinkler Systems.
P2904.1.1
Required sprinkler
			 locations.
Sprinklers shall be installed to protect all areas of a
			 dwelling unit.
EXCEPTIONS:
1. Uninhabitable attics, crawl spaces and normally
						  unoccupied concealed spaces that do not contain fuel-fired appliances do not
						  require sprinklers. In uninhabitable attics, crawl spaces and normally
						  unoccupied concealed spaces that contain fuel-fired equipment, a sprinkler
						  shall be installed above the equipment; however, sprinklers shall not be
						  required in the remainder of the space.
2. Clothes closets, linen closets and pantries not
						  exceeding 24 square feet (2.2 m2) in area, with the
						  smallest dimension not greater than 3 feet (915 mm) and having wall and ceiling
						  surfaces of gypsum board.
3. Bathrooms not more than 55 square feet (5.1
						  m2) in area.
4. Garages; carports; exterior porches; unheated entry
						  areas, such as mud rooms, that are adjacent to an exterior door; and similar
						  areas.
Statutory Authority:
				  RCW
				    19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-068, §
				  51-51-60105, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 10-03-098, §
				  51-51-60105, filed 1/20/10, effective
				  7/1/10.
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 51-51-60106 - Appendix T-Solar-ready provisions-detached one-and two-family dwellings and townhouses

Current through Register Vol. 24-14, July 15, 2024
The provisions contained in this appendix are not mandatory
				unless specifically referenced in the adopting ordinance.
AT101
Scope.
AT102
General definitions.
AT102.1
General.
The following
			 term shall, for the purpose of this appendix, have the meaning shown herein.
Solar-ready zone.
A section or sections of the
				roof or building overhang designated and reserved for the future installation
				of a solar photovoltaic or solar water-heating
				system.
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 51-51-60107 - Appendix AWV-Fire sprinklers

Current through Register Vol. 24-14, July 15, 2024
The provisions contained in this appendix are not mandatory
				unless specifically referenced in the adopting ordinance.
AWV107.1
Fire sprinklers.
An
			 approved automatic fire sprinkler system shall be installed in new one-family
			 and two-family dwellings and townhouses in accordance with Appendix
			 AWU.
Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 10-03-098, §
				  51-51-60107, filed 1/20/10, effective
				  7/1/10.
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 51-51-60108 - Appendix Y-Construction and demolition material management

Current through Register Vol. 24-14, July 15, 2024
The provisions contained in this appendix are not mandatory
				unless specifically referenced in the adopting ordinance.
AWY101
General.
AWY101.1
Purpose.
The purpose
			 of this code section is to increase the reuse and recycling of construction and
			 demolition materials.
AWY101.2
Scope.
This code section applies to new
buildings
and
structures
construction,
alterations
to
			 existing
buildings
and
structures
and the
demolition
of existing
buildings
and
structures
having a work area greater than 750 square feet
			 (69.68 m2) or with a project value greater than
			 $75,000, whichever is more restrictive.
EXCEPTION:
Projects determined to be
						unsafe.
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 51-51-60109 - Appendix Z-Building deconstruction

Current through Register Vol. 24-14, July 15, 2024
The provisions contained in this appendix are not mandatory
				unless specifically referenced in the adopting ordinance.
AWZ101
General.
AWZ101.1
Purpose.
The purpose of
			 this section is to increase the amount of material
salvaged
for
reuse
through the act of
deconstruction
when a
building
or
structure
is
demolished
. Used sawn lumber is permitted to be
reused
in accordance with Section R602.1.1.1.
AWZ101.2
Scope.
This section
			 applies to existing dwellings, townhouses, and accessory structures permitted
			 to be demolished that are greater than 750 square feet (69.68
			 m2) and meet one of the
			 following:
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-001 - Authority

Current through Register Vol. 24-14, July 15, 2024
These rules are adopted under the authority of
				chapter
				19.27
				RCW.
Statutory Authority:
				  RCW
				  19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-001, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-002 - Purpose

Current through Register Vol. 24-14, July 15, 2024
The purpose of these rules is to implement the provisions of
				chapter
				19.27 RCW, which provides
				that the state building code council shall maintain the State Building Code in
				a status which is consistent with the purpose as set forth in
				RCW
				  19.27.020. In maintaining the codes the
				council shall regularly review updated versions of the codes adopted under the
				act, and other pertinent information, and shall amend the codes as deemed
				appropriate by the council.
Statutory Authority:
				  RCW
				  19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-002, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-003 - International Mechanical Code

Current through Register Vol. 24-14, July 15, 2024
The 2021 edition of the
International Mechanical
				Code
published by the International Code Council is hereby adopted by
				reference with the exceptions noted in this chapter of the Washington
				Administrative Code (WAC).
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-003, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-003, 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. 07-01-092, §
				  51-52-003, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-003, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-004 - Conflict between International Mechanical Code and State Energy Code chapter 51-11C WAC

Current through Register Vol. 24-14, July 15, 2024
In the case of conflict between the duct sealing or insulation
				requirements of Section 603 or Section 604 of this code and the duct sealing or
				insulation requirements of chapter 51-11C WAC, the Washington State Energy
				Code, or where applicable, a local jurisdiction's energy code, the provisions
				of such energy codes shall govern.
Statutory Authority:
				  RCW
				  19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-004, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-004, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-005 - Reserved

Current through Register Vol. 24-14, July 15, 2024
Statutory Authority:
				  RCW
				  19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-005, filed 1/20/10, effective 7/1/10. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-005, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-007 - Exceptions

Current through Register Vol. 24-14, July 15, 2024
The exceptions and amendments to the International Mechanical
				Code contained in the provisions of
				chapter
				19.27 RCW shall apply in
				case of conflict with any of the provisions of these rules.
The provisions of this code do not apply to temporary growing
				structures used solely for the commercial production of horticultural plants
				including ornamental plants, flowers, vegetables, and fruits. "Temporary
				growing structure" means a structure that has the sides and roof covered with
				polyethylene, polyvinyl, or similar flexible synthetic material and is used to
				provide plants with either frost protection or increased heat retention. A
				temporary growing structure is not considered a building for purposes of this
				code.
Codes referenced which are not adopted through
				RCW
				  19.27.031 or
				chapter
				19.27A RCW shall not
				apply unless specifically adopted by the authority having
				jurisdiction.
Statutory Authority:
				  RCW
				  19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-007, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-008 - Implementation

Current through Register Vol. 24-14, July 15, 2024
The International Mechanical Code adopted by chapter 51-52 WAC
				shall become effective in all counties and cities of this state on March 15,
				2024.
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-008, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-008, 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. 07-01-092, §
				  51-52-008, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-008, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0101 - Section 101-General

Current through Register Vol. 24-14, July 15, 2024
101.2 Scope.
This code shall regulate the design,
				installation, maintenance, alteration and inspection of mechanical systems that
				are permanently installed and utilized to provide control of environmental
				conditions and related processes within buildings. This code shall also
				regulate those mechanical systems, system components, equipment and appliances
				specifically addressed herein. The installation of fuel gas distribution piping
				and equipment, fuel gas-fired appliances and fuel gas-fired appliance venting
				systems shall be regulated by the
International Fuel Gas Code
.
				References in this code to Group R shall include Group I-1, Condition 2
				assisted living facilities licensed by Washington state under chapter 388-78A
				WAC and Group I-1, Condition 2 residential treatment facilities licensed by
				Washington state under chapter 246-337 WAC.
EXCEPTIONS:
1. Detached one- and two-family dwellings and multiple
						  single-family dwellings (townhouses) not more than three stories high with
						  separate means of egress and their accessory structures shall comply with the
International Residential Code
.
2. The standards for liquefied petroleum gas
						  installations shall be the 2020 Edition of NFPA 58 (Liquefied Petroleum Gas
						  Code) and the 2021 Edition of ANSI Z223.1/NFPA 54 (National Fuel Gas
						  Code).
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0101, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0101, 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. 07-01-092, §
				  51-52-0101, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-0101, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0102 - Section 102-Applicability (Reserved)

Current through Register Vol. 24-14, July 15, 2024
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0102, filed 2/1/13, effective
				  7/1/13.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0113 - Section 113-Stop work order

Current through Register Vol. 24-14, July 15, 2024
113.4 Failure to comply.
Any person who shall
				continue any work after having been served with a stop work order, except such
				work as that person is directed to perform to remove a violation or unsafe
				condition, shall be subject to fines established by the code official.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0301 - Section 301- Reserved

Current through Register Vol. 24-14, July 15, 2024
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0301, filed 2/1/13, effective
				  7/1/13.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0401 - Section 401-General

Current through Register Vol. 24-14, July 15, 2024
401.2
Ventilation
			 required.
Every occupied space other than enclosed parking garages and
			 buildings used for repair of automobiles shall be ventilated in accordance with
			 Section 401.2.1, 401.2.2 or 401.2.3. Enclosed parking garages and buildings
			 used for repair of automobiles shall be ventilated by mechanical means in
			 accordance with Sections 403 and 404.
401.2.1
Group R occupancies.
Ventilation in Group R occupancies shall be
			 provided in accordance with Section 403.4.
401.2.2
Ambulatory care facilities and
			 Group I-2 occupancies.
Ambulatory care facilities and Group I-2
			 occupancies shall be ventilated by mechanical means in accordance with Section
			 407.
401.2.3
All other
			 occupancies.
Ventilation in all other occupancies shall be provided by
			 natural means in accordance with Section 402 or by mechanical means in
			 accordance with Sections 403.1 to 403.7.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0403 - Section 403-Mechanical ventilation

Current through Register Vol. 24-14, July 15, 2024
403.1
Ventilation
			 system.
Mechanical ventilation shall be provided by a method of supply
			 air and return or
exhaust air
. The amount of supply air shall
			 be approximately equal to the amount of return and
exhaust
			 air
. The system shall not be prohibited from producing negative or
			 positive pressure. The system to convey ventilation air shall be designed and
			 installed in accordance with Chapter 6.
403.2
Outdoor air required.
The
			 minimum
outdoor airflow rate
shall be determined in accordance
			 with Section 403.3.
EXCEPTIONS:
1. Where the registered design professional
							 demonstrates that an engineered ventilation system design will prevent the
							 maximum concentration of contaminants from exceeding that obtainable by the
							 rate of
outdoor air
ventilation determined in accordance with
							 Section 403.3, the minimum required rate of
outdoor air
shall
							 be reduced in accordance with such engineered system design.
2. Alternate systems designed in accordance with
							 ASHRAE Standard 62.1 Section 6.2, Ventilation Rate Procedure, shall be
							 permitted.
403.2.1
Recirculation of air.
The air required by Section 403.3 shall not be
			 recirculated. Air in excess of that required by Section 403.3 shall not be
			 prohibited from being recirculated as a component of supply air to building
			 spaces, except that:
1. Ventilation air shall
			 not be recirculated from one dwelling to another or to dissimilar
			 occupancies.
2. Supply air to a
			 swimming pool and associated deck areas shall not be recirculated unless such
			 air is dehumidified to maintain the relative humidity of the area at 60 percent
			 or less. Air from this area shall not be recirculated to other spaces where 10
			 percent or more of the resulting supply airstream consists of air recirculated
			 from these spaces. The design and installation of dehumidification systems
			 shall comply with ANSI/ACCA 10 Manual SPS.
3. Where mechanical exhaust is required by
			 Note b in Table 403.3.1.1, recirculation of air from such spaces shall be
			 prohibited. All air supplied to such spaces shall be exhausted, including any
			 air in excess of that required by Table 403.3.1.1.
4. Where mechanical exhaust is required by
			 Note g in Table 403.3.1.1, mechanical exhaust is required and recirculation
			 from such spaces is prohibited where more than 10 percent of the resulting
			 supply airstream consists of air recirculated from these spaces. Recirculation
			 of air that is contained completely within such spaces shall not be
			 prohibited.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0404 - Section 404 - Enclosed parking garages and automobile repair facilities

Current through Register Vol. 24-14, July 15, 2024
404.4 Automobile repair facilities.
In buildings
				used for the repair of automobiles, each repair stall shall be equipped with an
				exhaust extension duct, extending to the outside of the building. Exhaust
				extension duct over 10 feet in length shall mechanically exhaust at least 300
				cfm. Connecting offices and waiting rooms shall be supplied with conditioned
				air under positive pressure.
Statutory Authority:
				  RCW
				  19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0404, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0404, filed 1/20/10, effective
				  7/1/10.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0407 - Section 407-Ambulatory care facilities and Group I-2 occupancies

Current through Register Vol. 24-14, July 15, 2024
407.1 General.
Mechanical ventilation for health
				care facilities licensed by Washington state shall be designed and installed in
				accordance with this code and the following provisions of the Washington
				Administrative Code (WAC):
1.
			 Mechanical ventilation in ambulatory care facilities shall comply with chapter
			 246-330 WAC.
2. Mechanical
			 ventilation for acute care hospitals shall comply with chapter 246-320
			 WAC.
3. Mechanical ventilation for
			 nursing homes shall comply with chapter 388-97 WAC.
Mechanical ventilation for unlicensed ambulatory care
				facilities shall be designed and installed in accordance with this code and
				ASHRAE 170.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0505 - Section 505-Domestic cooking exhaust equipment

Current through Register Vol. 24-14, July 15, 2024
505.3 Domestic exhaust ducts.
Ducts serving
				domestic cooking exhaust equipment shall discharge to the outdoors through
				sheet metal ducts constructed of galvanized steel, stainless steel, aluminum or
				copper. Such ducts shall have smooth inner walls, shall be airtight, shall be
				equipped with a backdraft damper and shall be independent of all other exhaust
				systems.
Domestic kitchen exhaust ducts may terminate with other
				domestic dryer exhaust and residential local exhaust ducts at a common location
				where each duct has an independent back-draft damper.
Listed and labeled exhaust booster fans shall be permitted when
				installed in accordance with the manufacturer's installation
				instructions.
EXCEPTIONS:
1. In other than Group I-1 and I-2, where installed in
						  accordance with the manufacturer's installation instructions and where
						  continuous local exhaust is provided in an enclosed kitchen in accordance with
						  Table 403.4.7, listed and labeled ductless range hoods shall not be required to
						  discharge to the outdoors. The local exhaust from the residential dwelling or
						  sleeping unit kitchen area may be combined with other exhaust ductwork where
						  the exhaust register/grille in the kitchen is a minimum of 6 feet (1.8 M) from
						  the domestic range cooktop. The exhaust register/grille shall be provided with
						  a minimum MERV 3 filter or mesh filter (washable) for trapping grease.
2. Ducts for domestic kitchen cooking appliances
						  equipped with downdraft exhaust systems shall be permitted to be constructed of
						  Schedule 40 PVC pipe and fittings provided that the installation complies with
						  all of the following:
2.1. The duct shall be installed under a concrete slab
						  poured on grade.
2.2. The underfloor trench in which the duct is
						  installed shall be completely backfilled with sand or gravel.
2.3. The PVC duct shall extend not more than 1 inch
						  (25 mm) above the indoor concrete floor surface.
2.4. The PVC duct shall extend not more than 1 inch
						  (25 mm) above grade outside of the building.
2.5. The PVC ducts shall be solvent cemented.
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0505, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0505, filed 1/20/10, effective
				  7/1/10.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0507 - Section 507-Commercial kitchen hoods

Current through Register Vol. 24-14, July 15, 2024
507.1.2 Domestic cooking appliances used for commercial
				purposes.
Domestic cooking appliances utilized for commercial purposes
				shall be provided with Type I, Type II or residential hoods as required for the
				type of appliances and processes in accordance with Table 507.1.2 and Sections
				507.2 and 507.3. Domestic cooking appliances utilized for domestic purposes
				shall comply with Section 505.
TABLE 507.1.2
TYPE OF HOOD REQUIRED FOR DOMESTIC COOKING APPLIANCES IN
				THE FOLLOWING SPACES
a, b
Type of Space
Type of Cooking
Type of Hood
Church
1. Boiling, steaming and warming precooked food 2.
						Roasting, pan frying and deep frying
Type II hood Type I hood
Community or party room in apartment and condominium
1. Boiling, steaming and warming precooked food 2.
						Roasting, pan frying and deep frying
Residential hoodc or Type II
						hoodd Type I hood
Day care
1. Boiling, steaming and warming precooked food 2.
						Roasting, pan frying and deep frying
Residential hoodc or Type II
						hoodd Type I hood
Dormitory, boarding home, nursing home
1. Boiling, steaming and warming precooked food 2.
						Roasting, pan frying and deep frying
Type II hood Type I hood
Office lunch room
1. Boiling, steaming and warming precooked food 2.
						Roasting, pan frying and deep frying
Residential hoodc or Type II
						hoodd Type I hood
a Commercial cooking
							 appliances shall comply with Section 507.2.
b Requirements in this
							 table apply to electric or gas fuel appliances only. Solid fuel appliances or
							 charbroilers require Type I hoods.
c Residential hood shall
							 ventilate to the outside.
d Type II hood required
							 when more than one appliance is used.
507.2 Type I hoods.
Type I hoods shall be
				installed where cooking appliances produce grease or smoke as a result of the
				cooking process. Type I hoods shall be installed over medium-duty, heavy-duty
				and extra-heavy-duty cooking appliances.
EXCEPTIONS:
1. A Type I hood shall not be required for an electric
						cooking appliance where an approved testing agency provides documentation that
						the appliance effluent contains 5 mg/m3 or less of
						grease when tested at an exhaust flow rate of 500 cfm in accordance with
						Section 17 of UL 710B.
2. A Type I hood shall not be required in an R-2 type
						occupancy with not more than 16 residents.
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0507, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0507, filed 1/20/10, effective
				  7/1/10.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0515 - Section 515-Waste or linen chute venting

Current through Register Vol. 24-14, July 15, 2024
515.1 General.
Waste or linen chutes shall be
				gravity vented in accordance with NFPA 82.
EXCEPTION:
Waste or linen chutes may be mechanically ventilated by
						  an exhaust fan in accordance with Section 713.13.7 of the
International
						  Building Code
.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0601 - Section 601-General

Current through Register Vol. 24-14, July 15, 2024
601.2 Air movement in egress elements.
Corridors
				shall not serve as supply, return, exhaust, relief or ventilation air ducts.
EXCEPTIONS:
1. Use of a corridor as a source of makeup air for
						  exhaust systems in rooms that open directly onto such corridors, including
						  toilet rooms, bathrooms, dressing rooms, smoking lounges and janitor closets,
						  shall be permitted provided that each such corridor is directly supplied with
outdoor air
at a rate greater than the rate of makeup air
						  taken from the corridor.
2. Where located within a dwelling unit, the use of
						  corridors for conveying return air shall not be prohibited.
3. Where located within tenant spaces of one thousand
						  square feet (93 m2) or less in area, utilization of
						  corridors for conveying return air is permitted.
4. Transfer air movement required to maintain
						  pressurization difference within health care facilities in accordance with
						  ASHRAE 170.
5. Where such air is part of an engineered smoke
						  control system.
6. Air supplied to corridors serving residential
						  occupancies shall not be considered as providing ventilation air to the
						  dwelling units and sleeping units subject to the following:
6.1 The air supplied to the corridor is one hundred
						  percent outside air; and
6.2 The units served by the corridor have conforming
						  ventilation air independent of the air supplied to the corridor; and
6.3 For other than high-rise buildings, the supply fan
						  will automatically shut off upon activation of corridor smoke detectors
						  installed in accordance with Section 606.2.4; or
6.4 For high-rise buildings, the supply fan will
						  automatically shut off upon activation of the smoke detectors required by
International Fire Code
Section 907.2.12.1 or upon receipt of
						  another approved fire alarm signal. The supply fan is not required to be
						  automatically shut off when used as part of an approved building stairwell or
						  elevator hoistway pressurization system. Corridor smoke detectors shall be
						  installed in accordance with Section 606.2.5.
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0601, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0601, 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. 07-01-092, §
				  51-52-0601, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-0601, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0602 - Section 602- Plenums

Current through Register Vol. 24-14, July 15, 2024
602.1
General.
Supply, return, exhaust, relief and ventilation air
			 plenums shall be limited to uninhabited crawl spaces, areas above a ceiling or
			 below the floor, attic spaces and mechanical equipment rooms. Plenums shall be
			 limited to one fire area. Air systems that serve multiple fire areas shall be
			 ducted from the boundary of the fire area served directly to the air-handling
			 equipment. Fuel-fired appliances shall not be installed within a
			 plenum.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0603 - Section 603-Duct construction and installation

Current through Register Vol. 24-14, July 15, 2024
603.5.1 Gypsum ducts.
The use of gypsum boards to
				form air shafts (ducts) shall be limited to return air systems where the air
				temperatures do not exceed 125ºF (52ºC) and the gypsum board surface
				temperature is maintained above the airstream dew-point temperature. Supply air
				ducts formed by gypsum boards shall not be incorporated in air-handling systems
				utilizing
direct evaporative cooling systems
.
EXCEPTION:
In other than Group I-2 occupancies, gypsum boards may
						  be used for ducts that are only used for stairwell or elevator pressurization
						  supply air. The gypsum duct shall not attach directly to the equipment.
Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-0603, filed 1/20/10, effective
				  7/1/10.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0605 - Section 605-Air filters

Current through Register Vol. 24-14, July 15, 2024
605.1 General.
Air handlers and ventilation
				systems shall be provided with
approved
air filters in
				accordance with Section 605.4. Filters shall be installed such that all return
				air, recirculated air, outdoor air and makeup air is filtered upstream from any
				heat exchanger or coil. Filters shall be installed in an
approved
convenient location. Liquid adhesive coatings used on
				filters shall have a flash point not lower than 325°F (163°C).
EXCEPTIONS:
1. Cooling coils that are designed, controlled and
						  operated to provide sensible cooling only do not require filtration at the
						  terminal device.
2. Ambient air that enters the building through
						  intentional openings for natural ventilation or by infiltration is not required
						  to be filtered.
3. Recirculated air serving systems without wetted
						  cooling coils or with unducted heater (hydronic coils, fossil fuel heating
						  elements or electric resistance heating elements) do not require filtration at
						  the terminal device.
605.4 Particulate matter removal.
Particulate
				matter filters or air cleaners shall have a minimum efficiency reporting value
				(MERV) of not less than the following:
1. MERV 13 for ducted air handlers and
			 ventilation systems serving occupiable spaces in Groups A, B, E, M, R and I
			 occupancies.
2. MERV 8 for ducted
			 air handlers and ventilation systems serving occupiable spaces in Groups F, H,
			 S, and U occupancies.
3. MERV 4 for
			 unducted air handlers and fan coil units.
EXCEPTIONS:
1. Ducted air handlers and ventilation systems 500 cfm
						  or less shall have a filter not less than MERV 8.
2. Recirculated air at fan powered variable air volume
						  terminal units with hydronic heating coils or electric resistance heating
						  elements shall have a filter not less than MERV 8.
3. Exhaust or relief air upstream of a heat exchanger
						  or coil shall have a filter not less than MERV 6.
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0605, filed 2/1/13, effective
				  7/1/13.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0915 - Section 915-Engine and gas turbine-powered equipment and appliances

Current through Register Vol. 24-14, July 15, 2024
915.3 Installation of emergency and legally required
				power systems.
Emergency power systems and legally required standby power
				systems required by the
International Building Code
or
International Fire Code
shall be installed in accordance with
				the
International Fire Code
, NFPA 70, NFPA 110, and NFPA
				111.
915.3.1 Air intakes.
Air intake opening locations
				for combustion and radiator cooling intake air shall be located on the exterior
				of the building in accordance with NFPA 110 and a minimum of 5 feet from the
				property line.
915.3.2 Air outlets.
Air outlet opening locations
				shall comply with the following:
1.
			 Combustion exhaust shall be located on the exterior of the building in
			 accordance with Section 501.3.1 Item 2 for product conveying exhaust.
2. Radiator cooling outlet air shall be
			 located on the exterior of the building in accordance with NFPA 110, a minimum
			 of 5 feet from the property line and a minimum of 2 feet above grade.
915.4 Installation of optional standby power
				systems.
Optional standby power systems shall be installed in accordance
				with the
International Fire Code
, NFPA 37, NFPA 70, and NFPA
				111 as applicable.
915.4.1 Air intakes.
Air intake opening locations
				for combustion and radiator cooling intake air shall be located on the exterior
				of the building in accordance with NFPA 110 and a minimum of 5 feet from the
				property line and may be located within an open or enclosed parking garage with
				sufficient exterior permanent opening area to provide the intake air.
915.4.2 Air outlets.
Air outlet opening locations
				shall comply with the following:
1.
			 Combustion exhaust shall be located on the exterior of the building in
			 accordance with Section 501.3.1 Item 2 for product conveying exhaust.
2. Radiator cooling outlet air shall be
			 located a minimum of 5 feet from the property line and may be discharged into
			 an open or enclosed parking garage with sufficient exterior permanent opening
			 area to relieve heat from the generator.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-0928 - Reserved

Current through Register Vol. 24-14, July 15, 2024
Statutory Authority:
				  RCW
				    19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-0928, filed 2/1/13, effective
				  7/1/13.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-1000 - Chapter 10 - Boilers, water heaters and pressure vessels

Current through Register Vol. 24-14, July 15, 2024
Informational Note:
Boilers and pressure vessels are regulated by
							 chapter
							 70.79 RCW and chapter
							 296-104 WAC in addition to the requirements of this code.
1001.1 Scope.
This chapter shall govern the
				installation, alteration and repair of boilers, water heaters and pressure
				vessels.
EXCEPTIONS:
1. Pressure vessels used for unheated water
							 supply.
2. Portable unfired pressure vessels and Interstate
							 Commerce Commission containers.
3. Containers for bulk oxygen and medical gas.
4. Unfired pressure vessels having a volume of 5
							 cubic feet (0.14 m3) or less operating at pressures
							 not exceeding 250 pounds per square inch (psi) (1724 kPa) and located within
							 occupancies of Groups B, F, H, M, R, S and U.
5. Pressure vessels used in refrigeration systems
							 that are regulated by Chapter 11 of this code.
6. Pressure tanks used in conjunction with coaxial
							 cables, telephone cables, power cables and other similar humidity control
							 systems.
7. Any boiler or pressure vessel subject to
							 inspection by federal or state inspection programs.
Statutory Authority:
				  RCW
				  19.27.031,
				  19.27.074 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-053, §
				  51-52-1000, filed 2/1/13, effective 7/1/13. Statutory Authority:
				  RCW
				    19.27.190,
				  19.27.074,
				  19.27.031 and
				  chapters
				  19.27 and
				  34.05 RCW. 10-03-099, §
				  51-52-1000, 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. 07-01-092, §
				  51-52-1000, filed 12/19/06, effective 7/1/07. Statutory Authority:
				  RCW
				    19.27.031 and
				  19.27.074. 04-01-104, §
				  51-52-1000, filed 12/17/03, effective
				  7/1/04.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-1106 - Section 1106-Machinery room, special requirements

Current through Register Vol. 24-14, July 15, 2024
1106.4.2
Emergency ventilation system.
An emergency ventilation system
			 shall be provided at the minimum exhaust rate specified in ASHRAE 15 or Table
			 1106.4.2. Shutdown of the emergency ventilation system shall be by manual
			 means.
Table 1106.4.2
MINIMUM EXHAUST RATES
Refrigerant
Q(m/sec)
Q(cfm)
R32
15.4
32,600
R143A
13.6
28,700
R444A
6.46
13,700
R444B
10.6
22,400
R445A
7.83
16,600
R446A
23.9
50,700
R447A
23.8
50,400
R451A
7.04
15,000
R451B
7.05
15,000
R1234yf
7.80
16,600
R1234ze(E)
5.92
12,600
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-1200 - Chapter 12-Hydronic piping

Current through Register Vol. 24-14, July 15, 2024
1209.5 Insulation and thermal break required.
Radiant floor heating and snow melt systems shall be provided with insulation
				and a thermal break in accordance with Sections 1209.5.1 and 1209.5.2. Concrete
				slab-on-grade, asphalt and paver-system type pavements shall have a minimum of
				R-10 insulation installed under the area to be snow melted, or R-5 insulation
				shall be installed under and at the slab edges of the area to be snow melted.
				The insulation shall be located underneath the snow and ice melt hydronic
				piping or cable and along all edges of the pavement where the snow and ice melt
				system is installed in accordance with the snow and ice melt manufacturer's
				instructions. Insulation R-values for slab-on-grade and suspended floor
				insulation shall be in accordance with the Washington State Energy Code.
1210.7.6 Expansion tanks.
Shutoff valves shall be
				installed at connections to expansion tanks. A method of draining the expansion
				tank downstream of the shutoff valve shall be provided.
Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-52 - State Building Code adoption and amendment of the 2021 edition of the International Mechanical Code › Section 51-52-1305 - Section 1305-Fuel oil system installation

Current through Register Vol. 24-14, July 15, 2024
1305.7 Vent piping.
Liquid fuel vent pipes shall
				terminate outside of buildings at a point not less than 5 feet (1524 mm) from
				building openings and not less than 15 feet (4572 mm) from outdoor air intakes.
				Outer ends of vent pipes shall terminate in a weatherproof vent cap or fitting
				or be provided with a weatherproof hood. Vent caps shall have a minimum free
				open area equal to the cross-sectional area of the vent pipe and shall not
				employ screens finer than No. 4 mesh. Vent pipes shall terminate sufficiently
				above the ground to avoid being obstructed with snow or ice. Vent pipes from
				tanks containing heaters shall be extended to a location where oil vapors
				discharging from the vent will be readily diffused. If the static head with a
				vent pipe filled with oil exceeds 10 pounds per square inch (psi) (69 kPa), the
				tank shall be designed for the maximum static head that will be imposed.
Liquid fuel vent pipes shall not be cross connected with fill
				pipes, lines from burners, or overflow lines from auxiliary tanks.
EXCEPTION:
Liquid fuel vent pipes may terminate outside the
							 building at a point not less than 2 feet from the fuel oil equipment combustion
							 exhaust outlet.