Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-11C - State Building Code adoption and amendment of the 2021 edition of the International Energy Conservation Code, Commercial › Section 51-11C-20203 - Section C202.3-C

Current through Register Vol. 24-14, July 15, 2024
C-FACTOR (THERMAL CONDUCTANCE).
The coefficient of
				heat transmission (surface to surface) through a building component or
				assembly, equal to the time rate of heat flow per unit area and the unit
				temperature difference between the warm side and cold side surfaces (Btu/h
				ft2
								×
								°F)
				[W/(m2
								× K)].
CAPTIVE KEY DEVICE.
A lighting control that will
				not release the key that activates the override when the lighting is on.
CAVITY INSULATION.
Insulating material located
				between framing members.
CEILING FAN.
A nonportable device suspended from a
				ceiling or overhead structure for circulating air via the rotation of the
				blades. See also
LARGE-DIAMETER CEILING FAN
.
CERTIFIED COMMISSIONING PROFESSIONAL.
An
				individual who is certified by an ANSI/ISO/IEC 17024:2012 accredited
				organization to lead, plan, coordinate and manage commissioning teams and
				implement the commissioning process.
CHANGE OF OCCUPANCY.
A change in the use of a
				building or a portion of a building that results in any of the
				following:
1. A change of occupancy
			 classification.
2. A change from
			 one group to another group within an occupancy classification.
3. Any change in use within a group for which
			 there is a change in the application of the requirements of this
			 code.
CIRCULATING HOT WATER SYSTEM.
A specifically
				designed water distribution system where one or more pumps are operated in the
				service hot water piping to circulate heated water from the water-heating
				equipment to the fixture supply and back to the water-heating equipment.
CLERESTORY FENESTRATION.
See
				"
FENESTRATION
."
CLIMATE ZONE.
A geographical region based on
				climatic criteria as specified in this code.
CODE OFFICIAL.
The officer or other designated
				authority charged with the administration and enforcement of this code, or a
				duly authorized representative.
COEFFICIENT OF PERFORMANCE (COP) - COOLING.
The
				ratio of the rate of heat removal to the rate of energy input, in consistent
				units, for a complete refrigerating system or some specific portion of that
				system under designated operating conditions.
COEFFICIENT OF PERFORMANCE (COP) - HEATING.
The
				ratio of the rate of heat removal to the rate of heat delivered to the rate of
				energy input, in consistent units, for a complete heat pump system, including
				the compressor and, if applicable, auxiliary heat, under designated operating
				conditions.
COMMERCIAL BUILDING.
For this code, all buildings that
				are not included in the definition of "Residential buildings."
COMMUNITY RENEWABLE ENERGY SYSTEM.
An off-site
				renewable energy system for which the owner has purchased or leased renewable
				energy capacity along with other subscribers.
COMPRESSED AIR SYSTEM.
A system of at least one
				compressor providing compressed air at 40 psig or higher.
COMPUTER ROOM.
A room whose primary function is to
				house equipment for the processing and storage of electronic data and that has
				a design total
information technology equipment (ITE)
equipment power density less than or equal to 20 watts per square foot (215
				watts per m2) of conditioned floor area or a design
ITE
equipmenr equal to 10 kW. See also
DATA
				CENTER
.
CONDENSING UNIT.
A factory-made assembly of
				refrigeration components designed to compress and liquefy a specific
				refrigerant. The unit consists of one or more refrigerant compressors,
				refrigerant condensers (air-cooled, evaporatively cooled, or water-cooled),
				condenser fans and motors (where used) and factory-supplied accessories.
CONDITIONED FLOOR AREA.
The horizontal projection
				of the floors associated with the
conditioned space
.
CONDITIONED SPACE.
An area, room or space that is
				enclosed within the building thermal envelope and that is directly heated or
				cooled or that is 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. Elevator shafts, stair enclosures, enclosed corridors
				connecting
conditioned spaces
, and
enclosed
				spaces
through which conditioned air is intentionally transferred at a
				rate exceeding three air changes per hour are considered
conditioned
				spaces
for the purposes of the
building thermal
				envelope
requirements.
CONTINUOUS INSULATION (CI).
Insulating material
				that is continuous across all structural members without metal thermal bridges
				other than fasteners that have a total cross-sectional area not greater than
				0.04 percent (0.12 percent where all metal thermal bridges are stainless steel)
				of the envelope surface through which they penetrate, and service openings. It
				is installed on the interior or exterior or is integral to any opaque surface
				of the building envelope.
CONTROLLED PLANT GROWTH ENVIRONMENT.
Group F and U
				buildings or spaces that are used exclusively for and specifically controlled
				to facilitate and enhance plant growth and production by manipulating various
				indoor environmental conditions. Technologies include indoor agriculture,
				cannabis growing, hydroponics, aquaculture and aquaponics. Controlled indoor
				environment variables include, but are not limited to, temperature, air
				quality, humidity, and carbon dioxide.
CONTROLLED RECEPTACLE.
An electrical receptacle
				that is controlled by an
automatic control device
.
CURTAIN WALL.
Fenestration products used to create
				an external nonload-bearing wall that is designed to separate the exterior and
				interior environments.
Reviser's note:
The brackets and enclosed
				  material in the text of the above section occurred in the copy filed by the
				  agency.
Statutory Authority:
				  RCW
				    19.27A.020,
				  19.27A.025 and
				  chapters
				  19.27 and
				  34.05 RCW. 13-04-056, §
				  51-11C-20203, filed 2/1/13, effective 7/1/13.