(a) The master shall ensure that the ventilation system under § 154.1200 is in operation for 30 minutes before a person enters one of the following:
- (1) Spaces containing cargo pumps, compressors, and compressor motors.
- (2) Gas-dangerous cargo control spaces.
- (3) Other spaces containing cargo handling equipment.
- (b) The master shall ensure that a warning sign listing the requirement for use of the ventilation system, is posted outside of each space under paragraph (a) of this section.
- (c) The master shall ensure that no sources of ignition are put in a cargo handling space on a vessel carrying flammable cargo unless the space is gas free.