Electrical Installation Criteria for Bridge Navigational Watch Alarm System and Class Approval Requirements

The purpose of a bridge navigational watch alarm system (BNWAS) or Dead Man Alarm is to monitor bridge activity and detect operator disability which could lead to marine accidents. The carriage requirement for Bridge Navigational Watch Alarm System (BNWAS) was entered into force from 2011.01.01 with amendment of SOLAS Reg. V/19.2.2 inaccordance with IMO Res.MSC.282 (86). This paper is intended to provide technical information regarding therequirements related to the electrical installation criteria of BNWAS for all categories of ships including new ships and existing ships. The BNWAS installation criteria for class approval can be related to two important points which are: BNWAS Type Approval and BNWAS Drawing Approval. BNWAS Type Approval is back to BNWAS product itself which shall be built and tested according to the IMO resolutions A.694 (17), A.813 (19), their associated internationalstandards and MSC/Circ.982 regarding Guidelines for Ergonomic Criteria for Bridge Equipment and Layout while the BNWAS Drawing Approval shall includes; BNWAS Type Approval, BNWAS interfacing with other equipments, Arrangement of BNWAS components and details of BNWAS power supply as electrical installation criteria

کلیدواژه ها:

Bridge navigational watch alarm system ، BNWAS ، Dead man alarm ، Class approval requirements