Hull Construction Regulations

40 In every ship there shall be provided for the guidance of the master of the ship plans showing for each deck the sections of the ship enclosed by “A” Class divisions and the sections of the ship enclosed by “B” Class divisions, together with particulars of the fire alarm and fire detecting systems, sprinkler installations and fire extinguishing appliances provided in the ship, the means of entry into and exit from the various compartments and decks, and of the ship’s ventilating system, including in particular the positions of the dampers thereof and the identification numbers of the ventilation fans serving each section of the ship, and such plans shall be protected by glass or similar material and shall be permanently affixed to a bulkhead, table or desk near the place from which the ship is normally navigated.