1.1 This International Standard specifies requirements for welded steel bollards suitable for installation on ships to meet normal mooring requirements.It lays down the material and principal dimensions for a range of nominal sizes 100 to 800 and states the maximum loading for which the bollards are intended. 1.2 The method of construction and details of welding are not specified but each manufacturer shall ensure that the bollards are capable of withstanding the test requirements specified. A guide to the design basis for the bollards is given in an annex.