Sufficient manual fire alarm stations are to be installed throughout the accommodation spaces, service spaces and control stations. One manually operated call point is to be located at each exit. Manually operated call points are to be readily accessible in the corridors of each deck such that no part of the corridor is more than 20 m from a manually operated call point. Measures are to be taken to prevent inadvertent operation of the manual call alarm system.

308. Fixed automatic gas detection and alarm systems

1. Fixed automatic gas detection and alarm systems are to be provided for the following areas.

(1) Cellar deck

(2) Drill floor

(3) Mud pit area

(4) Shale shaker area

(5) Enclosed spaces containing the open components of mud circulation system from the bell nipple to the mud pits.