PT 7, Ch 9, Section 3.1.4 states that the bridge should be outfitted with a watch safety system. The meet this requirement, M/S MERSol is equipped with a bridge navigational watch alarm system (BNWAS). The alarm control panel is situated at the navigation workstation, there are 5 alarm reset buttons scattered around the bridge. The BNWAS alarm can be set to a certain time interval, such as 6 or 12 minutes. The alarm knows 4 stages, at stage 0 the alarm reset buttons start blinking on the bridge, 15 seconds later a buzzer starts producing noise on the bridge, 30 seconds later a buzzer starts producing noise at the master’s cabin, 90 seconds later a buzzer starts producing noise at other crew cabins. M/S MERSol’s BNWAS is constructed as per regulations of SOLAS chapter V section 19.

BNWAS electrical drawing, M/S MERSol.

Last modified: Saturday, 18 March 2023, 7:26 PM