Regulation 2(4) – Enclosed spaces
Regulation 6(2) – Calculation of volumes
Heat exchangers (coolers) fitted in hull recesses or outside of the hull should be
treated as machinery under interpretation R.2(4)-9 set out in the annex to the
Unified interpretations relating to the International Convention on Tonnage
Measurement of Ships, 1969 (TM.5/Circ.6) and not as appendages.