According to MSC./Circ. 1081 for SOLAS chapter II-2, regulation 13
In Accommodation Spaces:
- Minimum 2 EEBD And 1 Spare EEBD.
In Machinery Spaces :
- 1 EEBD in ECR
- 1 EEBD in workshop
- 1 EEBD on each deck or platform.
However it must be noted that different number and location of the EEBDs may be determined by the administration taking into consideration the layout and dimensions or the normal manning of the space.