5.1.1 Any
                                 emergency exit from the machinery room to the deck is to be capable
                                 of being used at extreme angles of heel, and should be positioned
                                 as high as possible above the waterline and on or near the ship's
                                 centreline. Covers to escape hatches are to have hinges arranged athwartships.
                                 Coaming heights are to be at least 600 mm above the upper surface
                                 of the deck.