| Lumens(foot-candles) | Area or operation |
|---|---|
| 3 | General areas on vessels and vessel sections such as accessways, exits, gangways, stairs, and walkways. |
| 5 | General landside areas such as corridors, exits, stairs, and walkways. |
| 5 | All assigned work areas on any vessel or vessel section. |
| 5 | Landside tunnels, shafts, vaults, pumping stations, and underground work areas. |
| 10 | Landside work areas such as machine shops, electrical equipment rooms, carpenter shops, lofts, tool rooms, warehouses, and outdoor work areas. |
| 10 | Changing rooms, showers, sewered toilets, and eating, drinking, and break areas. |
| 30 | First aid stations, infirmaries, and offices. |