Par. 1. - Nothing in this act shall be construed to prohibit the use of any part of a theatre building for stores, offices, or for habitation, provided that the parts so used shall be built with exits to the street entirely distinct from the rest of the building and shall be separated from the rest of the building by solid partitions or walls, without any openings in the same.

Section 82. Floor Levels

Par. 1. - In all theatres, the entrances shall be not more than one step above the level of the sidewalk of the main street, and the stage shall be not more than five feet above the said level.

Section 83. Proscenium Wall

Par. 1. - The stage of every theatre shall be separated from the auditorium by a wall of fireproof construction, which wall shall extend the whole width of the auditorium and the whole height to the roof of the portion occupied by the stage. There shall be no openings through this wall except the curtain opening, one doorway each side behind the boxes, and one doorway which shall be located at or below the level of the stage, and plumbing, ventilating and such other pipe openings as may be approved by the building commissioner, such openings to be fire-stopped. The doorways shall not exceed twenty-one superficial feet each, and shall have standard fire-doors hung in a manner satisfactory to the commissioner. The finish or decorative features around the curtain opening of every theatre shall be of fire proof material.

[1921, c. 60, sect. 5.]

Section 84. Curtain

Par. 1. - The proscenium or curtain opening of every theatre shall have a fire-resisting curtain reinforced by wire netting or otherwise strengthened. If of iron, or similar heavy material, and made to lower from the top, it shall be so arranged as to be stopped securely at a height of seven feet above the stage floor, the remaining opening being closed by a curtain or valance of fire-resisting fabric.