Hong Kong Regulations

MERCHANT SHIPPING (SEAFARERS) (CREW ACCOMMODATION) REGULATION - SECT 9

Overhead decks

(1) In every ship of which the hull is constructed of metal every deck which
forms the crown of any part of the crew accommodation (in this
section called an "overhead deck"), and which is exposed to the weather shall
be made of metal and shall either-

   (a)  be covered on its upper side with-

        (i)    wood not less than 57 millimetres thick, properly laid and
               caulked; or

        (ii)   a material complying with the requirements specified in
               Schedule 1 and properly laid; or

   (b)  be insulated on its underside with a material complying with the
        requirements specified in Schedule 2.

(2) In every ship in which the hull is not constructed of metal, the
overhead decks shall be constructed of wood not less than 63 millimetres thick
properly laid and caulked or of other suitable material having properties of
watertightness and insulation equivalent to such a wooden deck. (Enacted 1995)