Glossary
In lieu of an abstract, here is a brief excerpt of the content:

275 Glossary act curtain. Also called a front curtain or main curtain; the curtain closest to the proscenium that opens and closes to expose the stage area to the audience. apron. The area of the stage that is in front of the proscenium. arbor pit. An open space in the floor directly under the counterweight system that allows the arbors to travel below floor level. arbor stop. See crash bar. auditorium. The area where the audience is seated; also called the house. a vista. A scene change that occurs in full view of the audience. batten. A steel pipe or wooden bar used to support scenery, curtains , and lights, usually suspended from the grid or roof structure on the lift or lead lines of a rigging set. bridge. A movable steel structure suspended over the stage or audience area, usually used for suspending lighting instruments. captured stage equipment. Machinery that is part of the structure of the building or is contained in a temporary stage floor, such as electromechanically or hydraulically driven wagons or turntables. catching device. A protective shield that prevents the system operator from injury should a counterweight become dislodged and fall from the counterweight arbor. catwalk. A steel structure over the stage, the audience area, or both, used by stage personnel to access lighting, rigging, or other stage equipment. clew. A metal plate with several holes on one side and a single hole on the other, used to join several lift lines on one side to a single tow line on the other. competent person. A person who is capable of identifying existing and predictable hazards or dangerous conditions in the rigging equipment. controlled stop. A timed deceleration of a moving device. 276 counterweight carriage. A metal frame that holds the counterweights used to balance the weight of flown scenery; also referred to as the arbor or cradle. counterweights. Cast iron, steel, or lead weights placed on the arbor to balance the load on the batten. crash bar. A horizontal member, usually attached near the top and bottom of the T-bars, that limits the travel of the arbors. Also called an arbor stop. dead hung. Battens or similar equipment that is permanently supported from the grid and cannot be easily lowered to the stage floor. deflecting device. Same as catching device. fid. A tapered pin (usually wood) used in opening the strands of a rope. fire curtain. A nonflammable curtain immediately behind the proscenium, contained in the smoke pocket, used to protect the audience from possible smoke and fire originating from the stage area. fly. To move scenery or similar devices vertically on the stage. fly gallery. A platform attached to the side wall of the stage house used to operate the rigging devices. fly loft. The space above the grid and below the roof. grid. A steel framework above the stage area that is used to support the rigging system; short for gridiron. hard contact. A sudden or uncontrolled stop of the counterweight carriage caused by hitting the upper or lower crash bars. hemp system. A system of hemp (Manila fiber) ropes used for support to raise or lower scenery. house. See auditorium. line set. A unit of rigging consisting of the batten and all other support cables, sheaves, and mountings. loading gallery. A platform used for the loading or unloading of the counterweight carriages. loft block. The pulleys or sheaves directly above the batten used to change the direction of the working lines from horizontal to vertical. 277 marlinespike. A metal (usually iron) version of a fid. motorized rigging. A system of electric or hydraulic motors used to raise and lower battens or counterweight carriages. mouse. (1) To wire the throat of a hook to prevent a cable or line from jumping out of the hook; (2) to interweave the barrel of a turnbuckle with wire to keep it from unscrewing; (3) to place wire or cotterpins through holes drilled in the endfittings of a turnbuckle or shackle pins. orchestra lift. An elevator in the orchestra pit used to raise and lower the floor of the pit. pin rail. A part of a hemp system consisting of a metal pipe or wooden rail attached to the fly gallery and fitted with removable steel or wooden pins used in tying off the working lines. pit. A recessed area in front of the stage used principally by musicians; can also be covered and used as an extended forestage. proper training. Training from a reputable school, college...


pdf