procurement of rubber fender duty d type and lsa for ferry boat , rubber fender dtype heavy duty size 100 mm x 125 mm height x inside hollow 50 mm. length per piece = 2000 mm material - natural rubber black colour as per is 13848. hardness, tensile, strength, elongation, change in hardness elongation. values are required to be specified in the certificate. ( samples piece is kept in the store section, rnd ) , f.r.p life buoys ( ring buoys ) for single person complete with r.r tape, polypropylene becket line and approved by mmd or qualified classification societies such as irs as per directorate general of shipping govt. of india circular / notice no.5 of 2007. ( sample should be submitted for approval )