...immediately under the glass of said skylight a wire netting, or the skylight may be glazed with wire-glass. All that portion of the stage, not comprised in the...or steel beams, filled in between with fire-proof materials, and all girders for the support of said beams shall be wrongbt-iron, or rolled steel. The...

...473. Fly Galleries in Theaters. All portion of the stage not comprised in the working of machinery, traps and other mechanical apparatus for the presentation...scene, usually equal to the width of the proscenium openings, shall be built of fireproof construction. The fly-galleries entire, including pin-rails,...

...shall have fixed sashes, iron grills or bars. Section 363. Stage Floors. All that portion of the stage comprised in the working of scenery, traps and other...mechanical apparatus for the presentation of a scene, shall be built of iron or steel beams, filled in between with fireproof materials, and all girders...

...severed in case of necessity. Section 113. STAGE— FIREPROOFINGS. All that portion of the stage floor not comprised in the working of scenery, traps and...width of the proscenium opening, shall be built of reinforced concrete or of iron or steel beams filled in between with fireproof material and all girders...

...(Amended by ord. approved Aug. 8, 1916.) §533. Stage. 1. Construction. All that portion of the 533 stage not comprised in the working of scenery, traps...all girders for the support of said beams shall be 125 2. Sky lic/hts. There shall be provided over the stage, metal skylights of an area or combined...

...immediately under the glass of said skylight a wire netting or the skylight may be glazed with .wire glass. All that portion of the stage not comprised in the...scene usually equal to the width of the proscenium op-'uing shall be built. of iron or steel beams filled in between with fire-proof material, and jill...