53 Pa. Stat. § 16364
In any store, or building, in the city of Philadelphia, in which there shall exist, or be placed, any hoistway, hatchway, elevator, or well hole, or in which there shall be made any opening through the floor, the same shall be properly protected, or covered, by a good and sufficient trap door, or such other appliances as may be necessary to secure the same from being or becoming dangerous to life or limb, and on the completion of the business of each day, the said trap door, or other appliances, shall be safely closed by the occupant having the use and control of the same; any violation of the provision of this act shall subject the offender, or offenders, to a fine of fifty dollars, for each offense, to be recovered, with cost of suit, in an action of debt, in any court having cognizance thereof, by, to and for the use of the Philadelphia association for the relief of disabled firemen.
53 P.S. § 16364