Par. 1. - Every building hereafter erected with a hall or assembly-room to contain a public audience of more than eight hundred persons, or with more than one superimposed gallery or balcony, shall be of fireproof construction throughout; except that halls or assembly-rooms, the mean level of the main floor of which is not more than five feet above the grade of the adjacent street, may have roofs of second class construction.

Par. 2. - Every building hereafter erected with a hall or assembly-room to contain an audience of more than six hundred persons, the main floor of which is raised more than fifteen feet above the level of the principal street upon which it faces, shall be of fireproof construction throughout.

Capacity

Par. 3. - The capacity of a hall or assembly-room shall be estimated on the basis of six square feet for each person.

Par. 4. - If several halls or assembly-rooms are provided in one building, their aggregate capacity shall be considered as determining whether or not the building shall be of fireproof construction, unless the several halls are enclosed by or separated from each other by fireproof walls, or floors, with fireproof doors in the same, in which case the building may be of second class construction.

Alterations to Conform to Act

Par. 5. - No existing building shall be altered to contain a hall or assembly-room exceeding the foregoing dimensions, unless the whole building as altered shall conform to the provisions of this act.

Seats. - Obstructions

Par. 6. - All seats in places of public assemblage shall be spaced as hereinbefore provided, and, while such places of public assemblage are occupied by an audience, shall be secured in such manner as will be satisfactory to the building commissioner of the city of Boston. No temporary seats or other obstructions shall be allowed in any aisle, passageway or stairway of a place of public assemblage, and no person shall remain in any aisle, passageway or stairway of any building during any performance.

[1912, c. 370, sect. 1.]

Existing Hall. Ways of Egress, Lighting Of

Par. 7. - Every existing building containing a hall or assembly-room to which admission is not free, and to which the provisions of chapter four hundred and ninety-four of the acts of the year nineteen hundred and eight, relative to the licensing of public entertainments apply, shall have all the ways of egress from such building sufficiently lighted, and lighted in a manner satisfactory to the building commissioner, while the hall or assembly-room is occupied by an audience.

[1913, c. 50, sect. 1.] [1921, c. 60, sect. 11.]

Section 106. Moving Picture Shows

Par. 1. - All moving picture shows shall be subject to the provisions of chapter one hundred and seventy-six and of chapter four hundred and thirty-seven of the acts of the year nineteen hundred and five, and of any amendments thereof or additions thereto now or hereafter made.