1.1 The purpose of the specification is to evaluate insulation installed on steel or aluminum structural division as defined in IMO resolution A.754 (18) to ensure the insulation is not degraded in the event of a shock. 1 This specification covers a method for evaluating insulation installed on steel or aluminium structural division as defined in IMO resolution A. 754 (18) to assure insulation is note degraded in the event of shock. The non-combustible passive fire prot