The hose or cable is connected at the hub of the drum so the connection to other systems is maintained as the drum rotates. Cable ReelĪ drum for holding hose or various types of electrical cable that winds using springs or a motor. It often has a hole for attachment of a lifting line. Cable CradleĪ device that supports an electrical cable loop and prevents sharp bends. Building CodeĪ set of municipal, state, or federal guidelines for the design and construction of buildings.Ī device to mechanically fasten cables, consisting of bolts, nuts, and pads that bear against the cable to prevent crushing and slippage. ![]() Used to support trusses or to provide extra support along a pipe batten to limit deflection. BridleĪn assembly that splits a lift line into two separated attachment points. Brail WinchĪ winch designed to work as part of a rigging system to raise and lower a curtain from its bottom support using cables run through rows of rings on the back of the curtain. The curtain folds up when the lines are pulled. Lifting lines that pass through a row of rings sewn to the back of the curtain and attach at the curtain bottom. Brail CurtainĪ curtain that is raised (opened) with brail type lift lines and is sewn flat or has horizontal fullness. Originally a vertical pipe in a seating box used for stage lights, but now used to indicate any side lighting position. Border CurtainĪ curtain used to define the top limit of the stage and to mask or hide lights and unused scenery and curtains. BoomĪ vertically mounted pipe used for stage lights. BlockĪn assembly that consists of one or more sheaves and axles in a housing. Provision for performance lighting and props or curtains is often made. Black BoxĪ room (often painted black) that is intended for performance and lacks a permanent configuration, seating, or fixed performance area. Bi-Parting DrapeĪ curtain that opens from the center to either side. Belaying PinĪ wood or steel rod, inserted into a hole in a pin rail, that secures ropes attached to a load. BearingĪ device that supports a shaft or other machine part while minimizing friction. Beam ClampĪ device from which a load is hung, attached to the flange of a steel beam without altering the beam in any way. Batten ClampĪ structural member (usually horizontal in a building structure) that resists bending. BattenĪ bar, usually made from steel pipe, from which scenery, lights and curtains are hung. Bar JoistĪ beam fabricated using lightweight rolled or fabricated sections that is used for long spans under light loading conditions. BalconyĪ raised platform extending out from a wall, often used for additional rows of seats in an auditorium. Usually behind curtains and other masking devices. The stage area that is located beyond the sight of the audience. Austrian CurtainĪ curtain that is raised (opened) with brailed lifting lines and is sewn with both vertical and horizontal fullness. AuditoriumĪ hall or seating area within the hall where the audience views a performance. ![]() The area of the theater where visitors sit to view a stage performance. ASMEĪmerican Society of Mechanical Engineers ASTCĪmerican Society of Theater Consultants ASTMĪmerican Society for Testing of Materials Audience They may not reflect actual, as installed, conditions. ASAĪcoustical Society of America As Built Drawings (Final Drawings)Įquipment or layout drawings that show equipment as it was actually built and intended to be installed. Examples include theaters, basketball courts, and indoor rodeos. ArenaĪ performance space with seating all round the performers. Arbor PitĪn area located below an opening in the stage floor that permits greater travel for counterweight arbors and pipe battens. ArborĪ carriage or rack that contains weights, usually flame cut steel or cast iron, in sufficient quantity to balance a load. The area of the stage located just in front of the proscenium. ![]() The portion of stage that extends beyond the proscenium opening. AIAĪmerican National Standards Institute Apron It requires access to public spaces by people with disabilities. ![]() The stage area used by actors for performances. The Front Curtain is often used for this purpose. Act CurtainĪ curtain (sometimes designed for a specific show) that is opened to signal the beginning of a performance. A reflective panel hung in the auditorium, generally above the audience, that is used to direct sound into desired zones.
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