.4 The forepeak, double bottoms (including duct keels) and inner skins shall be tested with water to a head corresponding to the requirements of paragraph .1 of this Regulation 12.
Vöörpiiki, topeltpõhju (sh tunnelkiilud) ja siseplangutusi kontrollitakse käesoleva 12. reegli punkti 1 nõuetele vastava veesambaga.