See "Multistory unit.". The portion of a building having its floor subgrade (below ground level) on all sides. [BS] POSITIVE ROOF DRAINAGE. The water supply for an automatic dry standpipe system shall be capable of supplying the system demand. A canopy that has a top surface which is sloped less than 25 degrees from the horizontal and is located less than 10 feet (3048 mm) from operable openings above or adjacent to the level of the marquee. Materials that react in this manner represent a mass explosion hazard. [F] UNSTABLE (REACTIVE) MATERIAL. [BS] WOOD/PLASTIC COMPOSITE. [BS] MICROPILE. Class V. Those formulations that burn with less intensity than ordinary combustibles or do not sustain combustion and that pose no reactivity hazard. Plastic materials that are fastened to structural members, or to structural panels or sheathing, and that are used as light-transmitting media in exterior walls. A chemical that causes visible destruction of, or irreversible alterations in, living tissue by chemical action at the point of contact. APPLICABLE GOVERNING BODY. A chemical for which there is evidence that it is a combustible liquid, cryogenic fluid, explosive, flammable (solid, liquid or gas), organic peroxide (solid or liquid), oxidizer (solid or liquid), oxidizing gas, pyrophoric (solid, liquid or gas), unstable (reactive) material (solid, liquid or gas) or water-reactive material (solid or liquid). Plywood. A device designed to detect the presence of a fire signature and to initiate action. A hearth and fire chamber or similar prepared place in which a fire may be made and which is built in conjunction with a chimney. STAGE. The fire endurance of the assembly, minutes. Structures, other than buildings, for which loads are specified in Chapter 16. Division 1.2. Large fireworks devices, which are explosive materials, intended for use in fireworks displays and designed to produce audible or visible effects by combustion, deflagration or detonation. Masonry composed of glass units bonded by mortar. [A] LABELED. The elevation of the base flood, including wave height, relative to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD) or other datum specified on the Flood Insurance Rate Map (FIRM). REGISTERED TERMITICIDE. [BS] START OF CONSTRUCTION. Open mall building. [BS] DALLE GLASS. [BS] UNDERLAYMENT. [F] SUPERVISORY SERVICE. Compatibility group letters are used in concert with the division to specify further limitations on each division noted (i.e., the letter G identifies the material as a pyrotechnic substance or article containing a pyrotechnic substance and similar materials). SPLICE. A wood structural panel that is comprised of wood veneer and reconstituted wood-based material and bonded together with waterproof adhesive; Oriented strand board (OSB). 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. Low-heat appliance type. A building or other structure in which vertical loads from floors and roofs are primarily supported by walls. INTENDED TO BE OCCUPIED AS A RESIDENCE. EXIT ACCESS STAIRWAY. The walls or construction forming the boundaries of a shaft. MEANS OF ESCAPE. The placement of masonry units such that head joints in successive courses are horizontally offset at least one-quarter the unit length. MASTIC FIRE-RESISTANT COATINGS. FIRE PROTECTION RATING. Concrete. HEIGHT, THRESHOLD BUILDING. See "Registered design professional in responsible charge.". Areas vulnerable to hurricanes defined as: [F] HYDROGEN FUEL GAS ROOM. A manually operated device used to initiate an alarm signal. Reconstruction or renewal of any part of an existing roof for the purposes of its maintenance. See "Nailing, field. A room used in conjunction with or serving a Group H-5 occupancy, where HPM is stored or used and which is classified as a Group H-2, H-3 or H-4 occupancy. MEANS OF EGRESS. [BS] DANGEROUS. FIREPLACE THROAT. [BS] ADHERED MASONRY VENEER. A door or access point along the path of egress travel from an occupied room, area or space where the path of egress enters an intervening room, corridor, exit access stairway or ramp. The inland limit of the coastal A zone is (a) the Limit of Moderate Wave Action if delineated on a FIRM, or (b) designated by the authority having jurisdiction. A manufactured product made primarily of plastic materials (filled or unfilled) which is generally rectangular in cross section. A material that has a melting point that is equal to or less than 68°F (20°C) and a boiling point that is greater than 68°F (20°C) at 14.7 pounds per square inch absolute (psia) (101 kPa). A field-constructed chimney of solid masonry units or stones. Acceptable to the building official. Redwood, cedar, black locust and black walnut. 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.. AREA OF REFUGE. See "Incapable of self-preservation.". A product that is dispensed from an aerosol container by a propellant. A measure of a material or assembly's ability to limit the amount of moisture that passes through that material or assembly. Napoli Commercial Pizza Oven Starts at $15,450. Division 1.4. The vertical distance from grade plane to the average height of the highest roof surface. A primarily vertical structure containing one or more flues, for the purpose of carrying gaseous products of combustion and air from a fuel-burning appliance to the outdoor atmosphere. The governmental unit that has adopted this code under due legislative authority. [A] ADDITION. The most severe earthquake effects considered by this code, determined for the orientation that results in the largest maximum response to horizontal ground motions and with adjustment for targeted risk. Temperatures shall be measured at the appliance flue outlet. Hollow. AIR-SUPPORTED STRUCTURE. MECHANICAL-ACCESS OPEN PARKING GARAGES. ", STAIRWAY, SCISSOR. A solid or hollow masonry unit of clay or shale, usually formed into a rectangular prism, then burned or fired in a kiln; brick is a ceramic product. This includes, but is not limited to, lattice structures, guyed masts, overhead lines, light suspension and cable-stayed bridges, aerial cable systems (e.g., for ski lifts or logging operations), amusement rides, open catwalks and platforms, flagpoles and signs. The explosive effects are largely confined to the package and no projection of fragments of appreciable size or range is to be expected. During the base flood conditions, the potential for breaking wave height shall be greater than or equal to 11/2 feet (457 mm). Bracing members that are essential to the vertical stability of the. [F] AUTOMATIC. A chemical with an auto-ignition temperature in air, at or below a temperature of 130°F (54.4°C). PERSONAL CARE SERVICE. [BS] GYPSUM VENEER PLASTER. An official document or certificate issued by the building official that authorizes performance of a specified activity. Manual dry. FIRE SEPARATION DISTANCE. The maximum concentration of an air-borne contaminant to which one may be exposed. MEMBRANE-COVERED FRAME STRUCTURE. The space between the ceiling beams of the top story and the roof rafters. INTERIOR FINISH. [BS] SUSCEPTIBLE BAY. The pouring or transferring of any material from a container, tank or similar vessel, whereby vapors, dusts, fumes, mists or gases are liberated to the atmosphere. MARQUEE. A space within a building utilized for entertainment or presentations, which includes overhead hanging curtains, drops, scenery or stage effects other than lighting and sound. A room used or intended to be used by one or more guests for living or sleeping purposes. A composite of wood strand elements with wood fibers primarily oriented along the length of the member, where the least dimension of the wood strand elements is 0.10 inches (2.54 mm) or less and their average lengths not less than 75 times and less than 150 times the least dimension of the strand elements. A collection of modules mechanically fastened together, wired and designed to provide a field-installable unit. A grouping of elevators in a building located adjacent or directly across from one another that responds to common hall call buttons. [A] DEFERRED SUBMITTAL. [F] HALOGENATED EXTINGUISHING SYSTEM. Liquids having a closed cup flash point at or above 140°F (60°C) and below 200°F (93°C). [BS] DESIGN EARTHQUAKE GROUND MOTION. [F] LIQUID. Forces or other actions that result from the weight of building materials, occupants and their possessions, environmental effects, differential movement and restrained dimensional changes. The fire endurance of the assembly, minutes. [F] WORKSTATION. When this valve opens, water flows into the piping system and discharges from all sprinklers attached thereto. ", [A] DESIGN PROFESSIONAL IN RESPONSIBLE CHARGE, REGISTERED. [BS] ADOBE CONSTRUCTION. Siliceous aggregate. Open parking garages employing a series of continuously rising floors or a series of interconnecting ramps between floors permitting the movement of vehicles under their own power from and to the street level. [F] STORAGE, HAZARDOUS MATERIALS. Merchandise pads contain elements such as nonfixed and moveable fixtures, cases, racks, counters and partitions from which customers browse or shop. This contaminant concentration level is established by the National Institute of Occupational Safety and Health (NIOSH) based on both toxicity and flammability. Standpipe classes are as follows: Class I system. A system component that originates transmission of a change-of-state condition, such as in a smoke detector, manual fire alarm box or supervisory switch. A single- or multiple-station alarm responsive to smoke. [BS] WOOD SHEAR PANEL. The panel's length meets the requirements of its particular bracing method and contributes toward the total amount of bracing required along its braced wall line. CONVENTIONAL LIGHT-FRAME CONSTRUCTION. Artificial barricade. EXIT ACCESS. The device is installed to operate automatically, controlled by a smoke detection system, and where required, is capable of being positioned from a fire command center. Fire dampers are classified for use in either static systems that will automatically shut down in the event of a fire, or in dynamic systems that continue to operate during a fire. A mausoleum for the private use of a family or group of family members. An exit component that serves to meet one or more means of egress design requirements, such as required number of exits or exit access travel distance, and provides for a protected path of egress travel to the exit discharge or public way. A canopy is permitted to be structurally independent or supported by attachment to a building on one or more sides. A stairway with the exit access portion of the means of egress system. [BS] ORDINARY STRUCTURAL PLAIN CONCRETE WALL. A door equipped with double-pivoted hardware so designed as to cause a semicounterbalanced swing action when opening. The period of time a building element, component or assembly maintains the ability to confine a fire, continues to perform a given structural function, or both, as determined by the tests, or the methods based on tests, prescribed in Section 703. HIGH-PRESSURE DECORATIVE EXTERIOR-GRADE COMPACT LAMINATE (HPL). A chemical shall be considered corrosive if, when tested on the intact skin of albino rabbits by the method described in DOTn 49 CFR, Part 173.137, such chemical destroys or changes irreversibly the structure of the tissue at the point of contact following an exposure period of 4 hours. HIGH-RISE BUILDING. The term "LRFD" is used in the design of steel and wood structures. A load produced by the use and occupancy of the building or other structure that does not include construction or environmental loads such as wind load, snow load, rain load, earthquake load, flood load or dead load. Approved or listed hazardous materials storage cabinets, flammable liquid storage cabinets or gas cabinets serving a workstation are included as part of the workstation. [A] PERSON. Tile that conforms to the requirements of ANSI A137.1.3, Section 3.0 for ceramic tile having an absorption of 0.5 percent or less in accordance with ANSI A137.1, Section 4.1 and Section 6.1 Table 10. [A] MARK. Projects provide a dedicated space to collaborate on code research. DAMPER. NURSING HOMES. [BS] MAIN WINDFORCE-RESISTING SYSTEM. A classification assigned to a site based on the types of soils present and their engineering properties as defined in Section 1613.3.2. A door-latching assembly incorporating a device that releases the latch upon the application of a force in the direction of egress travel. See "Floor fire door assembly.". BOARDING HOUSE. An exothermic reaction, such as the extremely rapid oxidation of a flammable dust or vapor in air, in which the reaction progresses through the unburned material at a rate less than the velocity of sound. [F] HANDLING. A structure that uses airpressurized membrane beams, arches or other elements to enclose space. ATRIUM. Swinging door which opens by reduced pushing or pulling force on the door-operating hardware. [F] SMOKE DETECTOR. [A] CONSTRUCTION DOCUMENTS. An exterior perimeter building of a group other than H having direct access to a covered or open mall building but having required means of egress independent of the mall. Construction consisting in whole or in part of lenses, panels, grids or baffles made with light-transmitting plastics positioned below independently mounted electrical light sources, skylights or light-transmitting plastic roof panels. A material having a low-emittance surface of 0.1 or less installed in building assemblies. Calculated fire-resistance ratings are shown in Table 722.2.1.2(2). The minimum temperature in degrees Fahrenheit at which a liquid will give off sufficient vapors to form an ignitable mixture with air near the surface or in the container, but will not sustain combustion. PHOTOLUMINESCENT. An insulation having an air permeance equal to or less than 0.02 l/s × m2 at 75 pa pressure differential tested in accordance with ASTM E2178 or ASTM E283. The expanded base coat layer is a homogeneous vinyl layer that contains a blowing agent. DWELLING UNIT OR SLEEPING UNIT, TYPE B. MEZZANINE. LODGING HOUSE. [BS] METAL ROOF SHINGLE. Product listed as registered for use as a preventative treatment for termites for new construction by the Florida Department of Agriculture and Consumer Services under authority of Chapter 487, Florida Statutes. Materials that in themselves are normally stable but which can become unstable at elevated temperatures and pressure. [BS] COLLAR JOINT. Surface critical code sections based on your project inputs. On which water is impounded, in whole or in part, and the secondary drainage system is functional but the primary drainage system is blocked. ROOF VENTILATION. A building occupied in conjunction with the manufacture, transportation or use of explosive materials. A field-constructed chimney composed of solid masonry units, bricks, stones, or concrete. OCCUPIABLE SPACE. [F] TIRES, BULK STORAGE OF. A facility for social rehabilitation, substance abuse or mental health problems that contains a group housing arrangement that provides custodial care but does not provide medical care. Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings shown in this chapter. An interlocking metal sheet having a minimum installed weather exposure of 3 square feet (0.279 m2) per sheet. Examples of low explosives include, but are not limited to, black powder; safety fuse; igniters; igniter cord; fuse lighters; fireworks, 1.3G and propellants, 1.3C. CONGREGATE LIVING FACILITIES. STORM SHELTER. Solid masonry. A building or other structure in which vertical loads from floors and roofs are primarily supported by columns. Get everyone on the same page and streamline code research. [BS] LIVE LOAD, ROOF. The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted. The values of Fa and Fv indicated in Tables 1613.3.3(1) and 1613.3.3(2), respectively. A factory-manufactured panel consisting of metal skins bonded to both faces of a solid plastic core. 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