INTERNATIONAL CONVENTION SAFETY OF LIFE AT SEA. 221 



Article 20. 



EXITS FROM WATERTIGHT COMPARTMENTS. 



The conditions under which means of escape from the various watertight compart- 

 partments shall be provided are indicated in Article XIII of the annexed Regulations. 



Article 21. 



CONSTRUCTION AND TESTS OF WATERTIGHT BULKHEADS. 



In order to insure their strength and watertightness, watertight bulkheads shall be con- 

 structed and tested in accordance with the provisions of Article XIV of the annexed Regula- 

 tions. 



Article 22. 



OPENINGS IN WATERTIGHT BULKHEADS. 



The number of openings in watertight bulkheads shall be reduced to the minimum 

 compatible with the design and proper working of the vessel; satisfactory means shall be 

 provided for closing these openings. Articles XV and XVII of the annexed Regulations in- 

 dicate the conditions governing the number of openings, the character and use of the means 

 of closing with which these openings shall be provided, and the tests to which watertight doors 

 shall be subjected. 



Article 23. 



OPENINGS IN vessel's SIDE. 



Side scuttles and other openings in the side of the vessel and the inboard openings of 

 discharges through the shell shall be provided with means of closing them, and shall be 

 arranged in such manner as to prevent so far as possible the accidental admission of water into 

 the vessel. Articles XVI and XVII of the annexed Regulations indicate the conditions under 

 which openings may be made in the vessel's side, the means which shall be provided for clos- 

 ing these openings, and the requirements as to operating the closing appliances. 



Article 24. 



CONSTRUCTION AND TESTS OF WATERTIGHT DECKS, ETC. 



In order to insure their strength and watertightness, watertight decks, trimks, and ven- 

 tilators shall be constructed and tested in accordance with the provisions of Article XVIII of 

 the annexed Regulations. 



Article 25. 



PERIODICAL OPERATION AND INSPECTION OF WATERTIGHT DOORS, ETC. 



The conditions under which inspections of watertight doors, etc., and drills for their op- 

 eration, shall be made periodically during a voyage, are indicated in Article XIX of the 

 annexed Regulations. 



Article 26. 



ENTRIES IN THE OFFICIAL LOG BOOK. 



A record of the closing and opening of watertight doors, etc., and of all inspections and 

 drills, shall be entered in the official log book as required by Article XX of the annexed 

 Regulations. 



