SPECIFICATIONS OF LIFEBUOY

• OUTER DIAMETER NOT MORE THAN 800mm AND INNER DIAMETER NOT LESS THAN 400mm
• CONSTRUCTED OF INHERENTLY BOUYANT MATERIAL 
• CAPABLE OF SUPPORTING NOT LESS THAN 14.5kg OF IRON IN FRESH WATER FOR PERIOD OF 24hrs
• HAVE A MASS OF NOT LESS THAN 2.5kg
• NOT SUSTAIN BURNING OR CONTINUE MELTING MELTING AFTER BEING TOTALLY ENVELOPED IN FIRE FOR A PERIOD OF 2sec
• BE CONSTRUCTED TO WITHSTAND THE DROP TEST INTO WATER FROM A HEIGHT OF 30m OR THE HEIGHT AT WHICH IT IS STOWED ABOVE THE WATER LINE IN LIGHTEST SEA GOING CONDITION WHICH EVER IS HIGHER
• BE FITTED WITH THE GRAB LINE NOT LESS THAN 9.5mm IN DIAMETER AND NOT LESS THAN 4 TIMES THE DIAMETER OF THE LIFEBUOY. THE GRAB LINE SHALL BE SECURED ON THE FOUR EQUIDISTANT POINTS ON THE LIFEBUOY