Maritime Occupational Health and Safety Regulations

252 Every assembly of pipes, including pipe fittings, valves, pumps, compressors and other fixed equipment that is used for transferring a hazardous substance from one location to another must be

• (a) marked, by labelling, colour-coding, placarding or any other mode, to identify the hazardous substance being transferred and, if appropriate, the direction of the flow; and

• (b) fitted with control and safety devices to ensure its safe operation, maintenance and repair.