| Term 
 | Definition 
 
        | helps the technical director keep track of progress on the various productions. It specifies pertinent information (try outs, design due dates, construction and painting schedules, rehearsals, and performances) for every play being produced by the theatre during the season. It also provides a visual reference that shows at a glance the status of each production. |  | 
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        | Term 
 
        | scenic construction priorities |  | Definition 
 
        | 1. pieces needed for rehearsal 2. build and hang flying units 3. complicated finish procedure 4. base construction schedule on complexity of units 5. pieces worked on by multiple departments 6. allow some time at end of construction sequence for adjustments, repairs, and inevitable changes that will need to be made to the set. |  | 
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        | Term 
 | Definition 
 
        | scaled mechanical drawing showing back of the flats depicted on the front elevations. construction plan and details material to be used, construction techniques to be used, and quantity of element to be built. |  | 
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        | Term 
 
        | the scene shop - many potentially hazardous situations |  | Definition 
 
        | wear clothing suited to the work, tie back or contain long hair, never use a tool that you have not been trained on, pay attention to what you are doing, keep work area clean, know where first aid supplies are, who to contact in the event of an emergency and report all accidents, when your work emits dust or fumes make sure there is adequate ventilation and you use the appropriate respirator. |  | 
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        | Term 
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        | wood is used extensively for building two and three dimensional scenery. it is relatively inexpensive and can be worked easily with a variety of tools |  | 
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        | Term 
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        | probably the simplest of all joints. two pieces of lumber are joined face to face and fastened together. used when attaching legs to platforms. |  | 
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        | Term 
 | Definition 
 
        | made when two pieces of wood are cut square at the end and fitted together. because the area of contact between the two pieces of wood is relatively small, a butt joint isn't very strong unless some type of reinforcement is applied |  | 
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        | Term 
 | Definition 
 
        | created when two pieces of stock lumber are butted end to end, and an 18 - 24 inch piece of lumber of similar width is attached directly over the joint with glue and screws |  | 
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        | Term 
 | Definition 
 
        | a type of butt joint. the only difference is that the wood being joined is cut on an angle instead of square. it is used when making irregular flats and picture frames. |  | 
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        | Term 
 | Definition 
 
        | made by cutting a slot across the face of one piece of lumber to receive the edge of another. the slot is cut only halfway through the depth of the lumber. frequently used for shelving and similar applications. |  | 
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        | Term 
 | Definition 
 
        | used to make one long board from two short ones with no increase in the thickness of the lumber. the angled surface of the joint should be at least 18 inches long. it can be cut using a band saw. a plane or power sander should be used to smooth the surface of the cut so that the faces of the joint will be flushed when joined. |  | 
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        | Term 
 | Definition 
 
        | a square hole, the mortise, can be chiseled into one of the pieces to be joined. this is much easier than it sounds if a mortise drill bit, which drills square holes, is used. the other piece of wood has the edges cut back to create the tenon. the tenon must snuggly fit into the mortise. it is normally secured with glue. |  | 
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        | Term 
 | Definition 
 
        | a butt joint that is reinforced with small pieces of hardwood dowel |  | 
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        | Term 
 | Definition 
 
        | process of fusing metal by heating the pieces to be joined to their melting temperature and inducing the metal to flow together before it cools (freezes) |  | 
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        | Term 
 | Definition 
 
        | cleaned of contaminents (must be cleaned of all oil, grease, paint, rust, and any other contaminents) |  | 
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        | Term 
 
        | safety guidelines for welding |  | Definition 
 
        | nonflammable gloves with gauntlets, shoes, boots or leggings (leather shoes), leather aprons or welding leathers or nonflammable welding shirt, shirt with sleeves and collar, welding face shields or helmet with appropriate lens, welding cap (nonflammable), eye protection, respiratory protection, adequate ventilation |  | 
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        | Term 
 
        | safety items for welding are used to protect from ... |  | Definition 
 
        | molten metal sparks, ultraviolet light, and toxic gases and fumes |  | 
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        | Term 
 | Definition 
 
        | divided into two basic subgroups: hard scenery (flats) and soft scenery (unframed units such as drops and draperies) |  | 
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        | Term 
 | Definition 
 
        | frame is constructed with face of the lumber forward. rail, stile, toggle bar, diagonal brace, cornerblocks, keystones |  | 
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        | Term 
 | Definition 
 
        | a top or bottom framing member of a flat |  | 
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        | Term 
 | Definition 
 
        | a vertical side member of a flat |  | 
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        | Term 
 | Definition 
 
        | (rule of thumb: toggles should be no more than 4' apart on center) an interior horizontal framing member of a flat |  | 
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        | Term 
 | Definition 
 
        | (when greater than 3'-0" wide) diagonal internal framing member that helps keep a flat square |  | 
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        | Term 
 
        | cornerblocks and keystones |  | Definition 
 
        | (inset 3/4", perpendicular grain orientation) used to create battened butt joints for frame |  | 
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        | Term 
 | Definition 
 
        | triangle of 1/4 inch AD plywood with 8 - 10 inch legs. to provide effective reinforcement, position the cornerblock so that its grain runs perpendicular to the joint between the rail and the stile |  | 
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        | Term 
 | Definition 
 
        | 6 inches long and shaped like a keystone of an arch |  | 
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        | Term 
 
        | studio or hollywood style flats |  | Definition 
 
        | NO cornerblocks or keystones frame is built with edge of wood facing front. they are wood-framed flats similar in structure to hard flats with on major exception: the framing material, usually 1x4, is placed "on edge" rather than flat |  | 
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        | Term 
 | Definition 
 
        | many production companies now routinely make their flat frames from metal rather than wood because of quality and cost |  | 
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        | Term 
 | Definition 
 
        | a strap of mild steel attached to the bottom of a door flat to brace it where the rail has been cut out |  | 
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        | Term 
 | Definition 
 
        | a wooden curvilinear form, generally used to outline an arch or irregular form in door and window flat openings |  | 
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        | Term 
 
        | manually handling scenery |  | Definition 
 
        | walking up, edging up, running or "gripping", floating |  | 
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        | Term 
 | Definition 
 
        | most designs call for walls that are considerably wider than the typical 6 foot flat. to construct such a larger wall, you join individual flats. varying styles of door, window, and plain flats can be joined to form a wall unit. rid and flexible are the two primary methods of joining flats. |  | 
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        | Term 
 | Definition 
 
        | to fold hinged flats together (so that they resemble a book) |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | a 3/4 inch thick by 1 inch wide piece of stock used as a spacer when three or more flats are going to be booked |  | 
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        | Term 
 
        | hinges (loose-pin and tight-pin) |  | Definition 
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        | Term 
 | Definition 
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        | Term 
 
        | stiffening battens (hog trough) |  | Definition 
 
        | a length of 1 x 3 attached to a multiflat wall unit to keep it from wiggling |  | 
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        | Term 
 | Definition 
 
        | large, flat curtains that have no fullness |  | 
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        | Term 
 | Definition 
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        | Term 
 
        | procedure for taking down a drop |  | Definition 
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        | Term 
 | Definition 
 
        | primary material used for opaque and translucent drops |  | 
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        | Term 
 | Definition 
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        | Term 
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        | commonly made of heavyweight muslin. they are painted with opaque paints and are lit from the front. the audience cannot see through them |  | 
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        | Term 
 | Definition 
 
        | made of heavyweight muslin, translucent drops are painted with dyes or a combination of dye and opaque paint and are lit from both front and back. this makes the areas that have been dyed translucent, increasing the apparent depth of the scene. |  | 
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        | Term 
 | Definition 
 
        | made from sharkstooth scrim or theatrical gauze, scrim drops have the unique ability to become transparent when the scene bhind the drop is lit. the material can be painted with dyes or thinned paint |  | 
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        | Term 
 | Definition 
 
        | they have sections or pieces of the drop actually cut out of the material. the sense of depth in a design can be greatly enhanced by the use of a series of cutout drops placed in back of one another. |  | 
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        | Term 
 
        | draperies (masking and set dressing) |  | Definition 
 
        | the two types of draperies in the theatre |  | 
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        | Term 
 | Definition 
 
        | (decking) an elevation. used to create multiple levels onstage |  | 
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        | Term 
 | Definition 
 
        | framing members (not more than 2'-0" spacing or less depending on span rating of top skin) |  | 
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        | Term 
 | Definition 
 
        | usually 2x4 but also use pipe or rectangular steel when over 18" in length, legs requre bracing leg is stronger in compression (lifting under the frame as opposed to attached to the side of the frame) stud wall support structures support platforms in compression |  | 
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        | Term 
 | Definition 
 
        | a wooden support frame is covered on both the top and bottom surfaces with plywood |  | 
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        | Term 
 | Definition 
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        | Term 
 
        | connecting platforms together |  | Definition 
 
        | bolts, clamps, and roto-locks (casket locks) |  | 
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        | Term 
 | Definition 
 
        | engineered beams designed to handle large loads across longer spans |  | 
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 | Definition 
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 | Definition 
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        | Term 
 | Definition 
 
        | rule of thumb: tread width + rise height = 18" dependent: requires support from another scenic unit, such as a platform independent: self-supporting |  | 
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        | Term 
 | Definition 
 
        | the part of a stair unit that supports the tread and risers |  | 
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        | Term 
 | Definition 
 
        | the horizontal surface of a stair |  | 
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        | Term 
 | Definition 
 
        | the horizontal surface of a stair |  | 
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        | Term 
 | Definition 
 
        | the vertical face of a stair unit |  | 
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        | Term 
 | Definition 
 
        | the part of the stair railing that is grabbed with the hand; supported by the banister and newel post |  | 
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        | Term 
 | Definition 
 
        | the vertical member that supports the handrail of a staircase railing |  | 
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        | Term 
 | Definition 
 
        | the post at the bottom or top of a flight of stairs that terminates the handrail |  | 
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