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(4) If the entrance to a water closet is from an open deck, the entrance shall, if practicable, be properly screened.
(5) If the means of entry into water closets forming part of the crew accommodation is from a passageway leading to other parts of the crew accommodation, a lobby shall be provided at the entrance of the water closet, or, where a lobby is not practicable, self-closing door. and any doors between a water closet and a passageway shall be close fitting and without apertures:
Provided that the Director may exempt any ship from the require- iment that the doors shall be close fitting and without apertures to the extent that he is satisfied that the exhaust ventilation arrangements from the water closet render compliance therewith unnecessary.
(6) Access to water closets shall not be obtained directly from a mess room or a sleeping room:
Provided that access to a water closet may be obtained directly from not more than two sleeping rooms together,
(a) such rooms together do not accommodate more than four
persous; and
(b) where the persons sa accommodated are three or more, the water closet pedestal is so screened as to ensure privacy.
(7) Every water closet shall be completely enclosed by bulkheads and shall be provided with exhaust ventilation directly to the open air or to another water closet which is provided with ventilation directly to the open air:
Provided that a water closet may be separated by a partition consisting of steel or other opague and rigid material open at the top and botton from-
(a) another water closet;
(b) a urinal; or
(c) washing accommodation if the water closet is served by
trunked mechanical ventilation system which effectively ex- hausts odours therefrom.
(8) Every water closet shall be so constructed as to facilitate cleaning and not to harbour dirt or vermin.
(9) Subject to the provisions of paragraph (10) every water closet shall be provided with the following--
(a) a water closet pedestal of single type with-
( a pan of white vitreous china or other suitable material: (i) a seat of polished hardwood or other suitable material, with an opening of four inches at the front:
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(ii) a trap with a metal inspection plate; and
(iv) an efficient ventilator connected to the outlet:
(b) an adequate flush of water, which shall be always available and supplied through self-closing non-concussive supply valves with a portable seating in metal which is not likely to become corroded:
(c) a soil pipe not less than four inches in diameter, so con- structed as to facilitate cleaning and minimize the risk of obstruction, such pipe having a direct overboard outfall and being fitted with a storm-valve unless it is connected with a main sewage outfall by an efficient and hygienic system; (d) a device for holding toilet paper;
(e) a handrail or grip.
(10) Every water closet provided for the exclusive use of such ratings as are referred to in paragraph (2) of regulation 39 shall be designed and equipped in a manner suited to the national habits and customs of these ratings and in particular shall be provided with-
(4) a single type trapped pån of white vitreous china or other
suitable material;
(b) an arrangement which automatically flushes the pan with six gallons of water at intervals not exceeding five minutes and provides a continuous trickle of water front a pipe of one-half of an inch diameter;
(c) a soil pipe such as is referred to in sub-paragraph (<) of paragraph (9), such pipe being provided with a metal in- spection plate and efficient ventilation; and
(4) suitable closet foot treads with a non-slip surface.
(11) The Director may exempt any ship from the requirements of paragraph (10) if he is satisfied that the water closets provided for the ratings referred to therein comply with the requirements of para- graph (9) and have been properly adapted so as to be suited to the rational habits and customs of those ratings.
(12) The provisions of this regulation shall not apply to water closets forming part of a permanent hospital.
29. (1) Every ship to which these regulations apply shall be Galleys. provided with a galley for the preparation of food for the crew, unless the circumstances are such that no members of the crew are required. to mess on board.
(2) The galley shall be situated as near as possible to the mess rooms provided for the crew and any necessary equipment shall be provided to enable food to be served hot in the mess rooms under all weather conditions.