Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 24964. Automatic sprinkler

A separate and distinct system of automatic sprinklers, with fusible plugs, approved by the bureau of fire, supplied with water from a tank located on a roof over the stage and not connected in any manner with the standpipes, shall be placed up and around the proscenium opening and on the ceiling or roof over the stage, at such intervals as will protect every square foot of the stage service when said sprinklers are in operation.  Automatic sprinklers shall also be placed wherever practicable under the stage and in the carpenter shop, paint room, store rooms and property rooms.