Heads up:
There are no suggested sections in this chapter.
Heads up:
There are no amended sections in this chapter.
Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings shown in this chapter.
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.
Where terms are not defined through the methods authorized by this section, such terms shall have ordinarily accepted meanings such as the context implies.
ACCESSIBLE. See Section 1102.1.
ACCESSIBLE UNIT. See Section 1102.
ADDITION. An alteration of a building in existence that increases its exterior dimensions including but not limited to an extension or increase in floor area or height (including an increase in height or area resulting from the construction of a rooftop structure for mechanical equipment) of the building. See Section 28-101.5 of the Administrative Code.
ADMIXTURE. See Section 1902.1.
AEROSOL. See Section 307.2.
AGGREGATE. See Section 1902.1.
AGRICULTURAL, BUILDING. 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.
Double skin. See Section 3102.2.
Single skin. See Section 3102.2.
ALARM SIGNAL. See Section 902.1.
ALLEY. See "Public way."
ALTERATION. Any construction, addition, change of use or occupancy, or renovation to a building or structure in existence. See Section 28-101.5 of the Administrative Code.
ANCHOR. See Section 2102.1.
ANCHOR BUILDING. See Section 402.2.
ANNULAR SPACE. See Section 702.1.
ANNUNCIATOR. See Section 902.1.
APARTMENT. See Section 310.2.
APPROVED. Acceptable to the commissioner. In reference to construction documents, the determination by the department after full examination that submitted construction documents comply with this code and other applicable laws and rules. In reference to materials, the determination by the commissioner that material is acceptable for its intended use. See Section 28-101.5 of the Administrative Code.
APPROVED AGENCY. An established and recognized agency, or other qualified person, regularly engaged in conducting tests or furnishing inspection services, when approved pursuant to department rules as qualified to perform or witness identified testing or inspection services. See Chapter 1 of Title 28 of the Administrative Code.
APPROVED INSPECTION AGENCY. An approved agency that is approved by the department as qualified to perform one or more of the inspections required by this code. See Chapter 1 of Title 28 of the Administrative Code.
APPROVED TESTING AGENCY. An approved agency that is approved by the department as qualified to test and evaluate the performance of one or more of the materials regulated in their use by this code. Such term shall include, when approved pursuant to department rules, a third party testing or certification agency, evaluation agency, testing laboratory, testing service or other entity concerned with product evaluation. See Chapter 1 of Title 28 of the Administrative Code.
ARCHITECT. A person licensed and registered to practice the profession of architecture under the Education Law of the state of New York.
AREA. See Section 2102.1.
Bedded. See Section 2102.1.
AREA, BUILDING. See Section 502.1.
AREA OF REFUGE. See Section 1002.1.
ASPECT RATIO. See Sections 1624.1.
ATRIUM. See Section 404.1.1.
AUTOMATIC. See Section 902.1.
AWNING. An architectural projection that provides weather protection, identity or decoration and is wholly supported by the building to which it is attached. An awning is comprised of a lightweight, rigid skeleton structure over which a covering is attached.
AXLE. See Section 3302.1.
A-ZONE. See Section G201.2.
BACKING. See Section 1402.1.
BARRICADE. See Section 307.2.
BASE. See Section 1613.1.
BASE (MOUNTING). See Section 3302.1.
BASE FLOOD. See Section G201.2.
BASE SHEAR. See Section 1602.1.
Dual system. See Section 1602.1.
BASEMENT. A story partly below the grade plane and having less than one-half its clear height (measured from finished floor to finished ceiling) below the grade plane (see "Story", "Story above grade plane" in Section 502.1).
BEARER (PUTLOG). See Section 3302.1.
BED JOINT. See Section 2102.1.
BEDROCK. See Section 1804.2.1.
Hard sound rock (Class 1a). See Section 1804.2.1.
Medium hard rock (Class 1b). See Section 1804.2.1.
Intermediate rock (Class 1c). See Section 1804.2.1.
Soft rock (Class 1d). See Section 1804.2.1.
BOARDER (ROOMER, LODGER). See Section 310.2.
BOILING POINT. See Section 307.2.
BOND BEAM. See Section 2102.1.
BOOM. See Section 3302.1.
BOOM POINT. See Section 3302.1.
BRAKE. See Section 3302.1.
BREAKAWAY WALL. See Section G201.2.
BRICK. See Section 2102.1.
Clay or shale. See Section 2102.1.
Concrete. See Section 2102.1.
BUCKET HOIST. See Section 3302.1.
BUILDING. Any structure used or intended for supporting or sheltering any use or occupancy. The term shall be construed as if followed by the phrase "structure, premises, lot or part thereof" unless otherwise indicated by the text. See Section 28-101.5 of the Administrative code.
BUILDING LINE. The line established by law, beyond which a building shall not extend, except as specifically provided by law.
BUILDING, OPEN. See Section 1609.2.
BULKHEAD. See Section 1502.1.
BUTTRESS. See Section 2102.1.
CABARET. Any room, place or space in which any musical entertainment, singing, dancing or other similar amusement is permitted in connection with an eating and drinking establishment.
CABLEWAY. See Section 3302.1.
CANOPY. An architectural projection that provides weather protection, identity or decoration and is supported by the building to which it is attached and at the outer end by not less than one stanchion. A canopy is comprised of a rigid structure over which a covering is attached.
CARPORT. See Section 406.1.2.
CAST STONE. See Section 2102.1.
CEILING LIMIT. See Section 902.1.
CELL. See Section 2102.1.
CELLAR. See Section 502.1.
CEMENT PLASTER. See Section 2502.1.
CENTRAL STATION. See Section 902.1.
CHIMNEY. See Section 2102.1.
CHIMNEY TYPES. See Section 2102.1.
Masonry type. See Section 2102.1.
CLADDING. See "Components and cladding."
CLAMSHELL. See Section 3302.1.
CLAYS. See Section 1804.2.1.
Hard (Class 4a). See Section 1804.2.1.
Stiff (Class 4b). See Section 1804.2.1.
Medium (Class 4c). See Section 1804.2.1.
Soft (Class 4d). See Section 1804.2.1.
CLEANOUT. See Section 2102.1.
CLOSED SYSTEM. See Section 307.2.
COLLAPSE. See Section 1624.1.
COLLAR JOINT. See Section 2102.1.
COLUMN. See Section 1902.1.
COMMISSIONER. The Commissioner of Buildings of the City of New York or his or her duly authorized representative. See Section 28-101.5 of the Administrative Code.
COMMON USE. See Section 1102.1.
COMPONENT. See Section 1613.1.
COMPRESSED GAS. See Section 307.2.
CONCRETE. See Section 1902.1.
CONNECTOR. See Section 2102.1.
CONSTRUCTION. See Section 3302.1.
CONSTRUCTION DOCUMENTS. Plans and specifications and other written, graphic and pictorial documents, prepared or assembled for describing the design, location and physical characteristics of the elements of the project necessary for obtaining a building permit. See Section 28-101.5 of the Administrative Code.
Type I. See Section 602.2.
Type II. See Section 602.2.
Type III. See Section 602.3.
Type IV. See Section 602.4.
Type V. See Section 602.5.
CONTROL AREA. See Section 307.2.
CONTROLLED LOW-STRENGTH MATERIAL. A self-compacted, cementitious material used primarily as a backfill in place of compacted fill.
CORRIDOR. See Section 1002.1.
CORROSION RESISTANCE. The ability of a material to withstand deterioration of its surface or its properties when exposed to its environment.
COUNTERWEIGHT. See Section 3302.1.
COURT. An open, uncovered space, unobstructed to the sky, bounded on three or more sides by exterior building walls or other enclosing devices.
COVER. See Section 2102.1.
CRANE. See Section 3302.1.
CRAWLER CRANE. See Section 3302.1.
CRIPPLE WALL. See Section 2302.1.
CROSS AISLE. See Section 1002.1.
CRYOGENIC FLUID. See Section 307.2.
CURB LINE. See Section 3201.8.
CURTAIN WALL. See Section 1402.1.
DALLE GLASS. See Section 2402.1.
DAMPER. See Section 702.1.
DEAD END. See Section 1002.1.
DEAD LOADS. See Section 1602.1.
DECK. See Section 1602.1.
DEFLAGRATION. See Section 307.2.
DEFORMABILITY. See Section 1602.1.
DEFORMATION. See Section 1602.1.
DEFORMED REINFORCEMENT. See Section 1902.1. DEMOLITION. See Section 3302.1.
DERRICK. See Section 3302.1.
DETECTOR, HEAT. See Section 902.1.
DETONATION. See Section 307.2.
DEVELOPMENT. See Section G201.2.
DIMENSIONS. See Section 2102.1.
DISPENSING. See Section 307.2.
DISPLACEMENT. See Section 1613.1.
DISPLAY SIGN. See Section H102.1.
DOOR, BALANCED. See Section 1002.1.
DRAFTSTOP. See Section 702.1.
DRAG STRUT. See "Collector" at Section 2302.1.
DRUM. See Section 3302.1.
DUCT. See Section 1902.1.
DWELLING. A building or structure which is occupied in whole or in part as the home, residence or sleeping place of one or more families.
See Section 310.2.
DWELLING, MULTIPLE. A dwelling which is either rented, leased, let or hired out, to be occupied, or is occupied, as the residence or home of three or more families living independently of each other. A multiple dwelling does not include a building used for occupancies in Groups I-2, I-3 or I-4.
See Section 310.2.
DWELLING, ONE-FAMILY. Any building or structure designed and occupied exclusively for residence purposes on a long-term basis for more than a month at a time by not more than one family. One-family dwellings shall also be deemed to include a dwelling located in a series of one-family dwellings each of which faces or is accessible to a legal street or public thoroughfare, provided that each such dwelling unit is equipped as a separate dwelling unit with all essential services, and also provided that each such unit is arranged so that it may be approved as a legal one-family dwelling.
DWELLING, TWO-FAMILY. Any building or structure designed and occupied exclusively for residence purposes on a long-term basis for more than a month at a time by not more than two families. Two-family dwellings shall also be deemed to include a dwelling located in a series of two-family dwellings each of which faces or is accessible to a legal street or public thoroughfare, provided that each such dwelling is equipped as a separate dwelling with all essential services, and also provided that each such dwelling is arranged so that it may be approved as a legal two-family dwelling.
DWELLING UNIT. A single unit consisting of one or more habitable rooms and occupied or arranged to be occupied as a unit separate from all other units within a dwelling. See Section 310.2.
DWELLING UNIT (ACCESSIBILITY). See Section 1102.1.
EFFECTIVE DEPTH OF SECTION (d). See Section 1902.1.
EGRESS COURT. See Section 1002.1.
ENGINEER. A person licensed and registered to practice the profession of engineering under the Education Law of the State of New York.
ENLARGEMENT. An addition.
EXISTING STRUCTURE. (i) A building or structure in existence prior to the effective date of this code or one for which a lawful building permit was issued for the erection of such building or structure prior to the effective date of this code. (ii) A building or structure erected in accordance with the 1968 building code under a lawful building permit issued for the erection of such building or structure after the effective date of this code in accordance with section 28-101.4.2 of the Administrative Code. See Section 28-101.5 of the Administrative Code.
EXIT. See Section 1002.1.
EXIT ACCESS. See Section 1002.1.
EXIT DISCHARGE. See Section 1002.1.
EXIT ENCLOSURE. See Section 1002.1.
EXPLOSION. An effect produced by the sudden violent expansion of gases, that is accompanied by a shockwave or disruption of enclosing materials or structures, or both.
EXPLOSIVE. See Section 307.2.
High explosive. See Section 307.2.
Low explosive. See Section 307.2.
Division 1.1. See Section 307.2.
Division 1.2. See Section 307.2.
Division 1.3. See Section 307.2.
Division 1.4. See Section 307.2.
Division 1.5. See Section 307.2.
Division 1.6. See Section 307.2.
EXTERIOR INSULATION FINISH SYSTEM (EIFS). See Section 1402.1.
EXTERIOR WALL. See Section 1402.1.
F RATING. See Section 702.1.
FABRICATED ITEM. Products and assemblies regulated by this code, that are custom manufactured, or built prior to their incorporation into the work at the job site. Fabricated items shall not include listed, labeled or approved products or assemblies. See Section 1702.1.
FACILITY. See Section 1102.1.
FACTORED LOAD. See Section 1602.1.
FAMILY. See Section 310.2.
FIBERBOARD. See Section 2302.1.
FIRE AREA. See Section 702.1.
FIRE BARRIER. See Section 702.1.
FIRE DAMPER. See Section 702.1.
FIRE DOOR. See Section 702.1.
FIRE PARTITION. See Section 702.1.
FIRE RESISTANCE. See Section 702.1.
FIRE WALL. See Section 702.1.
FIREBLOCKING. See Section 702.1.
FIRECUTTING. See Section 2302.1.
FIREPLACE. See Section 2102.1.
FIRESTOPPING. See Section 702.1.
FIREWORKS. See Section 307.2.
FIREWORKS, 1.3G. See Section 307.2.
FIREWORKS, 1.4G. See Section 307.2.
FLAME SPREAD. See Section 802.1.
FLAMMABLE GAS. See Section 307.2.
FLAMMABLE MATERIAL. See Section 307.2. FLAMMABLE SOLID. See Section 307.2.
FLASH POINT. See Section 307.2.
FLOOD INSURANCE RATE MAP (FIRM). See Section G201.2.
FLOODWAY. See Section G201.2.
FLUE. See Section 2102.1.
FLUE GASES. See Section 2102.1.
FLUE LINER (LINING). See Section 2102.1.
FLY GALLERY. See Section 410.2.
FOOD COURT. See Section 402.2.
FOOTING. See Section 3201.8.
FRAME. See Section 1602.1.
Braced frame. See Section 1602.1.
Concentrically braced frame (CBF). See Section 1602.1.
Eccentrically braced frame (EBF). See Section 1602.1.
Ordinary concentrically braced frame (OCBF). See Section 1602.1.
Special concentrically braced frame (SCBF). See Section 1602.1.
Moment frame. See Section 1602.1.
FRONTAGE SPACE. See Section 502.1.
GAS CABINET. See Section 415.2.
GAS ROOM. See Section 415.2.
GRADE (LUMBER). See Section 2302.1.
GRADE PLANE. See Section 502.1.
GRANDSTAND. See Section 1002.1.
Dense (Class 3a). See Section 1804.2.1.
Medium (Class 3b). See Section 1804.2.1.
Loose (Class 6). See Section 1804.2.1.
GRIDIRON. See Section 410.2.
GROUND SIGN. See Section H102.1.
GROUP HOME. See Section 310.2.
GROUT. See Section 2102.1.
GUARD. See Sections 1002.1 and 1602.1. GUY. See Section 3302.1.
GYPSUM BOARD. See Section 2502.1.
GYPSUM PLASTER. See Section 2502.1.
HANDLING. See Section 307.2.
HANDRAIL. See Section 1002.1.
HARDBOARD. See Section 2302.1.
HAZARDOUS PRODUCTION MATERIAL (HPM). See Section 415.2.
HEAD JOINT. See Section 2102.1.
HEADER (Bonder). See Section 2102.1.
HEALTH HAZARD. See Section 307.2.
HEIGHT, STORY. See Section 502.1.
HEIGHT, WALLS. See Section 2102.1.
HELIPORT. See Section 412.5.2.
HELISTOP. See Section 412.5.2.
HEREAFTER. On or after the effective date of this code.
HERETOFORE. Before the effective date of this code.
HIGH-PRESSURE BOILER. See Section 28-401.3.
HPM ROOM. See Section 415.2.
IMMEDIATELY DANGEROUS TO LIFE AND HEALTH (IDLH). See Section 415.2.
IMPACT LOAD. See Section 1602.1.
INTERIOR FINISH. See Section 802.1.
INTERLAYMENT. See Section 1502.1.
ISOLATOR UNIT. See Section 1613.1.
JIB. See Section 3302.1.
JOINT. See Section 1602.1.
JUMP (JUMPING). See Section 3302.1.
KEY ELEMENT. See Section 1624.1.
KITCHEN. See Section 1202.1.
KITCHENETTE. See Section 1202.1.
LABEL. See Section 1702.1.
LABORATORY UNIT. See Section 419.4.
LAY. See Section 3302.1.
LETTER OF MAP AMENDMENT (LOMA). See Section G201.2.
LETTER OF MAP REVISION BASED ON FILL (LOMR-F). See Section G201.2.
LIGHT-FRAME CONSTRUCTION. A type of construction whose vertical and horizontal structural elements are primarily formed by a system of repetitive wood or light gage steel framing members.
LIMIT STATE. See Section 1602.1.
LIQUID. See Section 415.2.
LISTED. See Section 902.1 and Section 28-101.5 of the Administrative Code.
LIVE LOADS. See Section 1602.1.
LIVE LOADS (ROOF). See Section 1602.1.
LOAD. See Section 1613.1.
Gravity load (W). See Section 1613.1.
LOAD (WORKING). See Section 3302.1.
LOAD AND RESISTANCE FACTOR DESIGN (LRFD). See Section 1602.1.
LOAD FACTOR. See Section 1602.1.
LOAD RATINGS. See Section 3302.1.
LOADS. See Section 1602.1.
LOADS EFFECTS. See Section 1602.1.
LOCAL COLLAPSE. See Section 1624.1.
LOT. A portion or parcel of land considered as a unit.
LOWER FLAMMABLE LIMIT (LFL). See Section 415.2.
MAILBOXES. See Section E102.1
MALL. See Section 402.2.
MARK. See Section 1702.1.
MARQUEE. A permanent roofed structure attached to and supported by the building and that projects into the public right-of-way.
MASONRY. See Section 2102.1.
Ashlar masonry. See Section 2102.1.
Coursed ashlar. See Section 2102.1.
Plain masonry. See Section 2102.1.
Random ashlar. See Section 2102.1.
Solid masonry. See Section 2102.1.
MASONRY UNIT. See Section 2102.1.
Clay. See Section 2102.1.
Concrete. See Section 2102.1.
Hollow. See Section 2102.1.
Solid. See Section 2102.1.
METAL COMPOSITE MATERIAL (MCM). See Section 1402.1.
MEZZANINE. See Section 502.1.
MINERAL BOARD. See Section 721.1.1.
MOBILE CRANE. See Section 3302.1.
MORTAR. See Section 2102.1.
NAILING, EDGE. See Section 2302.1.
NAILING, FIELD. See Section 2302.1.
NATIONAL GEODETIC VERTICAL DATUM (NGVD). See Section G201.2.
NOMINAL LOADS. See Section 1602.1.
NOMINAL SIZE (LUMBER). See Section 2302.1.
NORMAL TEMPERATURE AND PRESSURE (NTP). See Section 415.2.
*NORTH AMERICAN VERTICAL DATUM (NAVD). See Section G201.2.
NOSING. See Section 1002.1.
OCCUPANCY. The purpose or activity for which a building or space is used or is designed, arranged or intended to be used..
OCCUPANT LOAD. See Section 1002.1.
OCCUPANT SENSOR. A device that detects the presence or absence of people within an area and causes lighting, equipment, or appliances to be regulated accordingly.
OPEN SYSTEM. See Section 307.2.
ORDINARY REPAIRS. See Section 28-105.4.2.1.
Class I. See Section 307.2.
Class II. See Section 307.2.
Class III. See Section 307.2.
Class IV. See Section 307.2.
Class V. See Section 307.2.
OUTRIGGER BEAM (THRUSTOUT). See Section 3302.1.
OWNER. Any person, agent, firm, partnership, corporation or other legal entity having a legal or equitable interest in, or control of the premises.
OXIDIZER. See Section 307.2.
Class 4. See Section 307.2.
Class 3. See Section 307.2.
Class 2. See Section 307.2.
Class 1. See Section 307.2.
OXIDIZING GAS. See Section 307.2. P-DELTA EFFECT. See Section 1602.1.
PANEL (PART OF A STRUCTURE). See Section 1602.1.
PANIC HARDWARE. See Section 1002.1.
PARTICLE BOARD. See Section 2302.1.
PEDESTAL. See Section 1902.1.
PENTHOUSE. See Section 1502.1.
PERMIT. An official document or certificate issued by the commissioner that authorizes performance of specified work or activity.
PERSON. An individual, partnership, corporation, or other legal entity.
*PHOTOSENSOR. A device that detects the presence of visible light.
PHYSICAL HAZARD. See Section 307.2.
Belled piers. See Section 1808.1.
PLAIN CONCRETE. See Section 1902.1.
PLASTIC HINGE. See Section 2102.1.
POLE SIGN. See Section H102.1.
POWER BUGGIES. See Section 3302.1.
PREMISES. Land, improvements thereon, or any part thereof.
PRETENSIONING. See Section 1902.1.
PRIMARY STRUCTURE. See Sections 1627.5.
PRISM. See Section 2102.1.
PROSCENIUM WALL. See Section 410.2.
PUBLIC WAY. See Section 1002.1.
RAMP. See Section 1002.1.
RECORD DRAWINGS. See Section 902.1.
REFERENCE RESISTANCE (D). See Section 2302.1.
REGISTERED DESIGN PROFESSIONAL OF RECORD. The registered design professional who prepared or supervised the preparation of applicable construction documents filed with the department.
REINFORCEMENT. See Section 1902.1.
REPAIR. The reconstruction or renewal of any part of an existing building for the purpose of its maintenance.
REQUIRED. Required by this code.
REROOFING. See Section 1502.1.
RESHORES. See Section 1902.1.
RESPONSE RATIO. See Section 1624.1.
ROOF ASSEMBLY. See Section 1502.1.
ROOF COVERING. See Section 1502.1.
ROOF DECK. See Section 1502.1.
ROOF RECOVER. See Section 1502.1.
ROOF SIGN. See Section H102.1.
ROOMING HOUSE. See Section 310.2.
ROPE. See Section 3302.1.
ROTATION. See Section 1624.1.
RUBBLE MASONRY. See Section 2102.1.
Coursed rubble. See Section 2102.1.
Random rubble. See Section 2102.1.
RUNNING BOND. See Section 2102.1.
SAFE AREA. See Section 1002.1.
Dense (Class 2a). See Section 1804.2.1.
Medium (Class 2b). See Section 1804.2.1.
Loose (Class 6). See Section 1804.2.1.
SAND DUNES. See Section G201.2.
SCAFFOLD. See Section 3302.1.
SCISSOR STAIR. See Section 1002.1.
SEISMIC FORCES. See Section 1613.1.
SELF-CLOSING. See Section 702.1.
SERVICES. See Section 1102.1.
*SHADED X-ZONE. See Section G201.2.
SHAFT. See Section 702.1.
SHAFT ENCLOSURE. See Section 702.1.
SHEAR PANEL. See Section 1602.1.
SHELL. See Section 2102.1.
SHORES. See Section 1902.1.
SHOTCRETE. See Section 1914.1.
SIGN STRUCTURE. See Section H102.1.
Dense (Class 5a). See Section 1804.2.1.
Medium (Class 5b). See Section 1804.2.1.
Loose (Class 6). See Section 1804.2.1.
SITE. See Section 1102.1.
SITE CLASS. See Section 1613.1.
SKYLIGHT, UNIT. A factory-assembled, glazed fenestration unit, containing one panel of glazing material that allows for natural lighting through an opening in the roof assembly while preserving the weather-resistant barrier of the roof.
SKYLIGHTS AND SLOPED GLAZING. Glass or other transparent or translucent glazing material installed at a slope of 15 degrees (0.26 rad) or more from vertical. Glazing material in skylights, including unit skylights, solariums, sunrooms, roofs and sloped walls, are included in this definition.
SLEEPING UNIT. See Section 310.2.
SLEEPING UNIT (ACCESSIBILITY). See Section 1102.1.
SMOKE. See Section 909.1.1.
SMOKE ALARM. See Section 902.1.
SMOKE BARRIER. See Section 702.1.
SMOKE DAMPER. See Section 702.1.
SMOKE DETECTOR. See Section 902.1.
SMOKE PARTITION. See Section 702.1.
SOLID. See Section 415.2.
SPACE FRAME. See Section 1602.1.
SPECIAL INSPECTOR. An individual having required qualifications and authorized by the department to perform or witness particular special inspections required by this code or by the rules of the department, including but not limited to a qualified registered design professional so authorized. See Section 1702.1 and Chapter 1 of title 28 of the Administrative Code.
SPECIFIED. See Section 2102.1.
STACK BOND. See Section 2102.1.
STAGE. See Section 410.2.
STAIR. See Section 1002.1.
STAIRWAY. See Section 1002.1.
STACK EFFECT. See Section 909.1.1.
STANDARD CUBIC FEET (SCF). See Section 307.2.
Automatic dry. See Section 902.1.
Automatic wet. See Section 902.1.
Manual dry. See Section 902.1.
Manual wet. See Section 902.1.
Class I system. See Section 902.1.
Class II system. See Section 902.1.
STEEL JOIST. See Section 2202.1.
STEEP SLOPE. A roof slope greater than two units vertical in 12 units horizontal (17-percent slope).
STIRRUP. See Section 1902.1.
STONE MASONRY. See Section 2102.1.
STORAGE CABINET. See Section 419.4.
STORAGE ROOM. See Section 419.4.
STORY. That portion of a building included between the upper surface of a floor and the upper surface of the floor or roof next above (also see "Basement," "Mezzanine" and Section 502.1). It is measured as the vertical distance from top to top of two successive tiers of beams or finished floor surfaces and, for the topmost story, from the top of the floor finish to the top of the ceiling joists or, where there is not a ceiling, to the top of the roof rafters.
STORY ABOVE GRADE PLANE. Any story having its finished floor surface entirely above grade plane, except that a basement shall also be considered a story above grade plane (also see "Basement' and "Story"). See Section 502.1.
STREET. See Section 3201.8.
STREET FLOOR. A floor, usually the principal entrance floor, that is not more than one-half story above or below grade at the location from which egress is provided to the street.
STREET LINE. See Section 3201.8.
STRUCTURE. That which is built or constructed, including among others: buildings, stadia, tents, reviewing stands, platforms, stagings, observation towers, radio towers, tanks, trestles, open sheds, shelters, fences, and display signs. See Section 28-101.5 of the Administrative Code.
SUBDIAPHRAGM. See Section 2302.1.
*SUN CONTROL DEVICE. An architectural projection that provides protection against solar radiation entering a building through glazed areas and is supported by the building to which it is attached. Sun control device includes, but is not limited to, a fixed, retractable or rotating sun control device. A fixed sun control device has no moving parts and is typically composed of horizontal overhangs or vertical fins. A retractable sun control device extends or retracts, and in the extended position casts a shadow on designated portions of the building. A rotating sun control device may be of fixed or adjustable length and pivots at its base. Sun control device shall not include awnings and canopies.
SUPERSTRUCTURE. See Section 3302.1.
SWIMMING POOL. See Section 3109.2.
SWING. See Section 3302.1.
T RATING. See Section 702.1.
TEMPORARY SIGN. See Section H102.1.
TENDON. See Section 1902.1.
TENT. See Section 3102.2.
TIE-DOWN (HOLD-DOWN). See Section 2302.1.
TIE, LATERAL. See Section 2102.1.
TIE, WALL. See Section 2102.1.
TILE. See Section 2102.1.
TOUGHNESS. See Section 1613.1.
TOWER. See Section 3302.1.
TOWER CRANE. See Section 3302.1.
TOXIC MATERIAL. See Section 307.2.
TRANSIT. See Section 3302.1.
TRAVEL. See Section 3302.1.
TREATED WOOD. See Section 2302.1.
TRIM. See Section 802.1.
TROUBLE SIGNAL. See Section 902.1.
UNDERLAYMENT. See Section 1502.1.
Class 4. See Section 307.2.
Class 3. See Section 307.2.
Class 2. See Section 307.2.
Class 1. See Section 307.2.
UTILITY COMPANY OR PUBLIC UTILITY COMPANY. See Section 28-101.5.
UTILITY CORPORATION OR PUBLIC UTILITY CORPORATION. See Section 28-101.5.
VAPOR RETARDER. A vapor-resistant material, membrane or covering such as foil, plastic sheeting or insulation facing having a permeance rating of 1 perm (5.7 × 10-11 kg/Pa • s • m2) or less, when tested in accordance with the dessicant method using Procedure A of ASTM E 96. Vapor retarders limit the amount of moisture vapor that passes through a material or wall assembly.
VAULT. See Section 3201.8.
VENEER. See Section 1402.1.
VENTILATION. The natural or mechanical process of supplying conditioned or unconditioned air to, or removing such air from, any space.
V-ZONE. See Section G201.2.
WALKWAY, PEDESTRIAN. A walkway used exclusively as a pedestrian trafficway.
WALL. See Section 2102.1.
Cavity wall. See Section 2102.1.
Composite wall. See Section 2102.1.
Parapet wall. See Section 2102.1.
WALL SIGN. See Section H102.1.
WEB. See Section 2102.1.
WHEEL MOUNTED CRANE (MULTIPLE CONTROL STATIONS). See Section 3302.1.
WHEEL MOUNTED CRANE (SINGLE CONTROL STATION). See Section 3302.1.
WINDER. See Section 1002.1.
WIRE BACKING. See Section 2502.1.
Oriented strand board (OSB). See Section 2302.1.
Plywood. See Section 2302.1.
WORK NOT CONSTITUTING MINOR ALTERATIONS OR ORDINARY REPAIRS. See Section 28-105.4.2.1.
WORKSTATION. See Section 415.2.
WYTHE. See Section 2102.1.
YARD. An open space, other than a court, unobstructed from the ground to the sky, except where specifically provided by
this code, on the lot on which a building is situated.
ZONE. See Section 902.1.
ZONING RESOLUTION. See Section 28-101.5.
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