1 Safety of Life at Sea, 1974 (SOLAS) Chapter II-2. Construction ...
1 Safety of Life at Sea, 1974 (SOLAS) Chapter II-2. Construction ...
1 Safety of Life at Sea, 1974 (SOLAS) Chapter II-2. Construction ...
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Some Definitions (4)Class A Divisions• Built in steel or other equivalent m<strong>at</strong>erial• Suitably stiffened• Built to be capable <strong>of</strong> preventing the passage <strong>of</strong> smoke and flame tothe end <strong>of</strong> the one-hour• Insul<strong>at</strong>ed with approved non-combustible m<strong>at</strong>erials such th<strong>at</strong> theaverage temper<strong>at</strong>ure <strong>of</strong> the unexposed side will not rise more than140°C above the origin al temper<strong>at</strong>ure, nor will the temper<strong>at</strong>ure, <strong>at</strong>any one point, including any joint, rise more than 180°C above theoriginal temper<strong>at</strong>ure, within the following time intervals:– A60 - 60 min.– A30 - 30 min.– A15 - 15 min– A0 - 0 min.M.Ventura <strong>SOLAS</strong> - Fire Protection 15Some Definitions (5)Class B Divisions• Constructed <strong>of</strong> approved non-combustible m<strong>at</strong>erials• Built to avoid the passage <strong>of</strong> flames during <strong>at</strong> least 30 minutes <strong>of</strong> thestandard test• Insul<strong>at</strong>ed such th<strong>at</strong> the average temper<strong>at</strong>ure <strong>of</strong> the unexposed sidewill not rise more than 140° C, nor will the temper<strong>at</strong>ure <strong>at</strong> any onepoint, including any joint, rise more than 225°C above the originaltemper<strong>at</strong>ure, after:– B15 - 15 min.– B0 - 0 min.Class C Divisions• Constructed <strong>of</strong> approved non-combustible m<strong>at</strong>erials, without anyparticular requirements.M.Ventura <strong>SOLAS</strong> - Fire Protection 168
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