• SECTION 201

    201.1 Scope.
    Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings shown in this chapter.

    201.2 Interchangeability.
    Words used in the present tense include the future; words stated in the masculine gender include the feminine and neuter; the singular number includes the plural and the plural, the singular.

    201.3 Terms defined in other codes.
    Where terms are not defined in this code and are defined in the International Building Code® (IBC®), International Energy Conservation Code® (IECC®), International Fire Code® (IFC®), International Fuel Gas Code® (IFGC®), International Mechanical Code® (IMC®), International Plumbing Code® (IPC®) or International Residential Code® (IRC®), such terms shall have the meanings ascribed to them as in those codes.

    201.4 Terms not defined.
    Where terms are not defined through the methods authorized by this section, such terms shall have ordinarily accepted meanings such as the context implies.

    SECTION 202

    95th-PERCENTILE RAINFALL EVENT. The rainfall event having a precipitation total greater than or equal to 95 percent of all rainfall events during a 24-hour period on an annual basis.

    A-WEIGHTED SOUND LEVEL. Sound pressure level in decibels measured with a sound level meter using an A-weighted network.

    ADDITION. An extension or increase in floor area or height of a building or structure.

    AIR CURTAIN. A device that generates and discharges a laminar air stream installed at the building entrance intended to prevent the infiltration of external, unconditioned air into the conditioned spaces, or the loss of interior, conditioned air to the outside.

    ALTERATION. Any construction or renovation to an existing structure other than repair or addition.

    ALTERNATE ON–SITE NONPOTABLE WATER. Nonpotable water from other than public utilities, onsite surface sources and subsurface natural freshwater sources. Examples of such water are gray water, onsite reclaimed water, collected rainwater, captured condensate, and rejected water from reverse osmosis systems.

    APPROVED. Acceptable to the code official or authority having jurisdiction.

    APPROVED AGENCY. An established and recognized agency regularly engaged in conducting tests or furnishing inspection services or commissioning services, where such agency has been approved.

    APPROVED SOURCE. An independent person, firm or corporation, approved by the code official, who is competent and experienced in the application of engineering principles to materials, methods or systems analyses.

    AREA, TOTAL BUILDING FLOOR. The total of the total floor areas on all stories of the building.

    AREA, TOTAL FLOOR. The total area of a story as measured from the interior side of the exterior walls.

    ASBESTOS-CONTAINING PRODUCTS. Building materials containing one or more of the following mineral fibers in any detectable amount that have been intentionally added or are present as a contaminant: chrysotile, amosite, crocidolite, tremolite, actinolite, anthophyllite and any fibrous amphibole.

    AUTOMATIC. Self-acting, operating by its own mechanism when actuated by some impersonal influence, such as a change in current strength, pressure, temperature or mechanical configuration (see “Manual”).

    AUTOMATIC TIME SWITCH CONTROL. A device or system that automatically controls lighting or other loads, including switching ON or OFF, based on time schedules.