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Definition
| International Building Code |
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Term
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Definition
| The actual time that a person is an occupant within a facility for the purpose of receiving care. It shall not include a facility that is open for 24 hours and is capable of providing care to someone visiting the facility during any segment of the 24 hours. |
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Definition
| Masonry made of autoclaved aerated concrete (AAC) units, manufactured without internal reinforcement and bonded together using thin- or thick-bed mortar. |
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Definition
| A site, building, facility, or portion thereof that complies with Chapter 11. |
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| ACCESSIBLE MEANS OF EGRESS |
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Definition
| A continuous and unobstructed way of egress travel from any accessible point in a building or facility to a public way. |
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Definition
| A continuous, unobstructed path that complies with Chapter 11 (accessibility). |
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Definition
| A dwelling unit or sleeping unit that complies with this code and the provisions for Accessible units in ICC A117.1. |
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Definition
| An approved, third-party organization that is independent of the grading and inspection agencies, and the lumber mills, and that initially accredits and subsequently monitors, on a continuing basis, the competency and performance of a grading or inspection agency related to carrying out specific tasks. |
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Definition
| An extension or increase in floor area or height of a building or structure. |
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Term
| [BS] ADHERED MASONRY VENEER |
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Definition
| Veneer secured and supported through the adhesion of an approved bonding material applied to an approved backing. |
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Definition
| Construction in which the exterior load-bearing and nonload-bearing walls and partitions are of unfired clay masonry units, and floors, roofs and interior framing are wholly or partly of wood or other approved materials. |
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Definition
| Unfired clay masonry units to which admixtures, such as emulsified asphalt, are added during the manufacturing process to limit the units' water absorption so as to increase their durability. |
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Definition
| Unfired clay masonry units that do not meet the definition of "Adobe, stabilized" |
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Definition
| A product that is dispensed from an aerosol container by a propellant. Aerosol products shall be classified by means of the calculation of their chemical heats of combustion and shall be designated Level 1, Level 2 or Level 3. |
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Term
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Definition
| Those with a total chemical heat of combustion that is less than or equal to 8,600 British thermal units per pound (Btu/lb) (20kJ/g) |
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Term
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Definition
| Those with a total chemical heat if combustion that is greater than 8,600 Btu/lb (20kJ/g), but less than or equal to 13,000 Btu/lb (30kJ/g) |
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Term
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Definition
| Those with a total chemical heat of combustion that is greater than 13,000 Btu/lb (30 kJ/g) |
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Term
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Definition
| A metal can or a glass or plastic bottle designed to dispense an aerosol. |
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Term
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Definition
| In roofing, crushed stone, crushed slag or water-worn gravel used for surfacing for roof coverings. |
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Definition
| A structure designed and constructed to house farm implements, hay, grain, poultry, livestock or other horticultural products. This structure shall not be a place of human habitation or a place of employment where agricultural products are processed, treated or packaged, nor shall it be a place used by the public. |
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| AIR-IMPERMEABLE INSULATION |
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Definition
| An insulation having an air permeance equal to or less than 0.02 l/s x m2 at 75 pa pressure differential tested in accordance with ASTM E2178 or ASTM E283 |
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Term
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Definition
| A structure that uses air-pressurized membrane beams, arches or other elements to enclose space. Occupants of such a structure do not occupy the pressurized area used to support the structure. |
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Definition
| A structure wherein the shape of the structure is attained by air pressure and occupants of the structure are within the elevated pressure area. Air-supported structures are of two basic types. |
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Term
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Definition
| Similar to a single skin, but with an attached liner that is separated from the outer skin and provides an airspace which serves for insulation, acoustic, aesthetic or similar purposes. |
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Term
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Definition
| Where there is only the single outer skin and the air pressure is directly against that skin. |
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Term
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Definition
| An unenclosed exit access component that defines and provides a path of egress travel. |
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Term
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Definition
| That portion of an exit access that leads to an aisle. |
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Term
| [F] ALARM NOTIFICATION APPLIANCE |
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Definition
| A fire alarm system component such as a bell, horn, speaker, light or text display that provides audible, tactile or visible outputs, or any combination thereof. |
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Term
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Definition
| A signal indicating an emergency requiring immediate action, such as a signal indicative of fire. |
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Term
| [F] ALARM VERIFICATION FEATURE |
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Definition
| A feature if automatic fire detection and alarm systems to reduce unwanted alarms wherein smoke detectors report alarm conditions for a minimum period of time, or confirm alarm conditions within a given time period, after being automatically reset, in order to be accepted as a valid alarm-initiation signal. |
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Definition
| A method of proportioning structural members, such that elastically computed stresses produced in the members by nominal loads do not exceed specified allowable stresses (also called "working stress design"). |
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Definition
| Any construction or renovation to an existing structure other than repair or addition. |
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Definition
| A device that has a series of steps between 50 and 70 degrees (0.87 and 1.22 rad) from horizontal, usually attached to a center support rail in an alternating manner so that the user does not have both feet on the same level at the same time. |
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Term
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Definition
| Buildings or portions thereof used to provide medical, surgical, psychiatric, nursing or similar care on a less than 24-hour basis to persons who are rendered incapable of self-preservation by the services provided. |
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Term
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Definition
| An exterior perimeter building of a group other than H having direct access to a covered or open mall building but having required means if egress independent of the mall. |
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Term
| [BS] ANCHORED MASONRY VENEER |
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Definition
| Veneer secured with approved mechanical fasteners to an approved backing. |
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Term
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Definition
| The opening around the penetrating item. |
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Term
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Definition
| A unit containing one or more indicator lamps, alphanumeric displays or other equivalent means in which each indication provides status information about a circuit, condition or location. |
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Term
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Definition
| Acceptable to the building official. |
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Term
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Definition
| An established and recognized agency that is regularly engaged in conducting tests or furnishing inspection services, where such agency has been approved by the building official. |
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Term
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Definition
| An established and qualified person, firm or corporation approved by the building official pursuant to Chapter 17 of this code. |
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Term
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Definition
An independent person, firm or corporation, approved by the building official, who is competent and experienced in the application of engineering principles to materials, methods or systems analyses. |
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Term
[BS] AREA (for masonry)
Gross cross-sectional |
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Definition
| The area delineated by the out-to-out specified dimensions of masonry in the plane under consideration. |
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Term
[BS] AREA (for masonry)
Net cross-sectional |
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Definition
| The area of masonry units, grout and mortar crossed by the plane under consideration based on out-to-out specified dimensions. |
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Term
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Definition
| The area included within surrounding exterior walls (or exterior walls and fire walls) exclusive of vent shafts and courts. Areas of the building not provided with surrounding walls shall be included in the building area if such areas are included within the horizontal projection of the roof or floor above. |
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Term
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Definition
| An area where persons unable to use stairways can remain temporarily to await instructions or assistance during emergency evacuation. |
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Term
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Definition
| That portion of an indoor or outdoor space where the play or practice of a sport or guard. |
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Term
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Definition
| A subsurface space adjacent to a building open at the top or protected at the top by a grating or guard. |
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Term
| ASSEMBLY SEATING, MULTILEVEL |
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Definition
| See "Multilevel assembly seating." |
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Term
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Definition
| An opening connecting two or more stories other than enclosed stairways, elevators, hoistways, escalators, plumbing, electrical, air-conditioning or other equipment, which is closed at the top and not defined as a mall. Stories, as used in this definition, do not include balconies within assembly groups or mezzanines that comply with Section 505. |
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Term
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Definition
| The space between the ceiling beams of the top story and the roof rafters. |
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Term
| [F] AUDIBLE ALARM NOTIFICATION APPLIANCE |
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Definition
| A notification appliance that alerts by the sense of hearing. |
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Term
| AUTOCLAVED AERATED CONCRETE (AAC) |
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Definition
| Low density cementitious product of calcium silicate hydrates, whose material specifications are defined in ASTM C1386. |
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Term
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Definition
| As applied to fire protection devices, a device or system providing an emergency function without the necessity for human intervention and activated as a result of a predetermined temperature rise, rate of temperature rise or combustion products. |
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Term
| [F] AUTOMATIC FIRE-EXTINGUISHING SYSTEM |
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Definition
| An approved system of devices and equipment which automatically which automatically detects a fire and discharges an approved fire-extinguishing agent onto or in the area of a fire. |
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Term
| [F] AUTOMATIC SMOKE DETECTION SYSTEM |
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Definition
| A fire alarm system that has initiation devices that utilize smoke detectors for protection of an area such as a room or space with detectors to provide early warning of fire. |
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