Permeability : Ratio expressed as a percentage assumed for the volume of a compartment which can be flooded by water after damage, to the total volume of that compartment; respectively the actual calculated value of that ratio
Sabelatrans Shipping Global SSG(Specialized in Shipping/Transportation of Heavy Lift, RoRo & Project forwarding by Sea , Air & Land), Shipping Terms, Ajman, UAE 2013. http://www.sabelatrans.com/shipping_terms.htm, (Log - Brit) {1030}