State with reasons the essential requirements for periodically unattended machinery spaces and discuss protection against flooding and bridge control for a dry cargo vessel?
Short answer
| Part | Requirement | Regulation |
|---|---|---|
| (a) | Safe operations, additional controls/monitoring | IP Code §9.2 para 6 |
| (b)(i) | Bilge wells monitored, pump indicators, valve controls | SOLAS II-1/48 |
| (b)(ii) | Bridge control, emergency stop, transfer procedure | SOLAS II-1/49 |
- Essential requirements: Safe operations and additional controls/monitoring/alarms to achieve safety equivalence with attended spaces (IP Code Part II §9.2 para 6)
- Flooding protection: Bilge wells monitored for liquid accumulation, automatic pump indicators, valve controls accessible and above flood level (SOLAS II-1 Reg 48)
- Bridge control: Full control of speed/thrust/pitch, single control device, emergency stop, control transfer only from main machinery space, local control fallback (SOLAS II-1 Reg 49)
- Engineer Officer of the Watch: Verify systems, test alarms, confirm bridge control, report deficiencies, maintain records
- Instruments: SOLAS Chapter II-1 Part E, IP Code, Merchant Shipping Act 2025
Full answer
The full answer explains each point step by step, with the regulations and figures behind it and the discussion from other candidates. It is in the MEO Class IV section of the Marine One forum, open to members enrolled for the MEO Class IV exam.