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ISOLATION
Isolation of a confined space is a process where the space is removed from service by:
- locking out electrical sources, preferably at disconnect switches remote from the equipment.
- blanking and bleeding, securing valves Cargo, ballast, IGS, pneumatic and hydraulic lines
- disconnecting mechanical linkages on shaft-driven equipment where possible, and
- securing mechanical moving parts within confined spaces with latches, chains, chocks, blocks, or other devices.
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Basic surveyor PPE must be taken into account
- Body protection (hard wearing overalls with suitable pockets for notebook etc).
- Foot protection (steel toecaps (200 joules), steel midsoles, good grip, oilresistant).
- Head protection (hard hat with chinstrap).
- Hand protection (hard wearing gloves).
- Eye protection (protective glasses, goggles).
- Ear protection (ear defenders or ear plugs – worn subject to communication system).
- Lighting (hand held torch with lanyard and appropriate beam width).
Do not enter a confined space until you have considered every question as well as any other item of concern, and have determined the space to be safe.
The final decision is yours. Is entry necessary? Will someone accompany you into the space?
