Carriage requirements for BNWAS

Applicable ships

These new requirements shall apply to the following types of ships:

(1) All cargo ships of 150GT and upwards; and

(2) Passenger ships irrespective of size.

Application due date

The due dates for ships to be fitted with a BNWAS are as follows:

(1) Ships constructed on or after 1 July 2011, not later than the initial Safety Equipment Survey(SE survey);

(2) Passenger ships constructed before 1 July 2002, not later than the first survey after 1 January2016;

(3) Cargo ships of 3,000 GT and upwards constructed before 1 July 2002, not later than the firstSE survey after 1 January 2016;

(4) Cargo ships of 500 GT and upwards constructed before 1 July 2002, not later than the firstSE survey after 1 January 2017;

(5) Cargo ships of 150 GT and upwards constructed before 1 July 2002, not later than the firstSE survey after 1 January 2018;

(6) Passenger ships constructed before 1 July 2011, not later than the first survey after 1 July2012;

(7) Cargo ships of 3,000 GT and upwards constructed before 1 July 2011, not later than the firstSE survey after 1 July 2012;

(8) Cargo ships of 500 GT and upwards constructed before 1 July 2011, not later than the firstSE survey after 1 July 2013;

(9) Cargo ships of 150 GT and upwards constructed before 1 July 2011, not later than the firstSE survey after 1 July 2014; and

(10) Ships constructed before 1 July 2011 but delivered after the due dates of (6) to (9) above, notlater than the initial SE Survey.

(11) Administrations may exempt ships from the application of the requirement specified in (2) to(5) above when such ships will be taken permanently out of service within two years afterthe implementation date specified in (2) to (5) above.

Performance standards and type-approval for BNWAS

(1) Summary of IMO Performance Standards MSC.128(75):

(i) The system shall comply with environmental test requirements;

(ii) The system should incorporate the following operational modes: Automatic, Manual Onand Manual Off;

(iii) The dormant period, visual indication, first stage audible alarm, second stage remoteaudible alarm and third stage remote audible alarm should follow the operationalsequence of IMO standards.

(iv) The electric power required by the system should be supplied from both an AC sourceand a DC source.

(v) Initiation of the reset function may be generated by means other than a reset button.

(2) Type approval of BNWAS

A BNWAS is to be of a type approved by the Administration.

Guidelines for BNWAS installation

(1) Reset devices:

(i) At least one reset device should be provided near each conning position in thewheelhouse.More reset devices may be provided to the workstations for navigation, manoeuveringand monitoring in order for safe and effective operation, if desired.A reset function may be initiated by motion sensors and navigational equipment such asradar, auto-pilot, ECDIS, INS, etc.

(ii) One reset device should be provided to each bridge wing.Where it is easy to reset a first stage alarm by a reset device located nearby in thewheelhouse, reset devices are not required to be fitted at bridge wings.

(2) Visual indicators and First stage audible alarms

(i) A visual indicator and first stage audible alarm are to be provided in the wheelhouse.When they are combined with a reset device, individual visual indicators and first stagealarms are not required.

(ii) A visual indicator and first stage audible alarm are to be provided in the bridge wings.Where a reset device is not provided in the case of 1(ii) above, the following functionsare required:・ Flashing indicator in the wheelhouse should be visible from an operational positionon the bridge wing; and・ First audible alarm in the wheelhouse should be audible from an operationalposition on the bridge wing

(3) Second stage remote audible alarms and third stage remote audible alarms

(i) Second stage remote audible alarms should be located in the Captain’s room and Deckofficer’s cabins.In cases where there are three deck officers on board, one deck officer for duty may beselected from the main panel and the alarm in the Captain’s room may be changed to athird stage one.

(ii) Third stage remote audible alarms should be located in public spaces where deckofficers use normally, such as Officer’s Mess room, Saloon/Smoking room, Recreationroom* and Ship’s office. (*If provided.) However, in case where third stage remoteaudible alarms located outside can be heard clearly in a room of the above spaces,installation of a third stage remote alarm in the room is not required.

(iii) The volume of second and third stage remote audible alarm is required to have asufficient level which can wake up sleeping person.

(4) BNWAS should be supplied by both an AC source (Main and Emergency source) and a DCsource (ship’s batteries or batteries contained within the device).

(5) BNWAS for ships constructed on or after 1 July 2011 are to be connected with the followingmandatory equipment required by SOLAS.(i) Heading Control System and Track Control System(ii) Voyage Data Recorder (VDR)

(6) With respect to small ships, BNWAS installations may be designed according to relaxedrequirements in cases where such requirements are specified by the Flag State.

(7) An emergency call facility may be provided.