IS 15971 : 2013 : Shipbuilding - Welded Steel Double Bollards for Inland Navigation

ICS 47.060 TED 17

Reaffirmed 2018

1. Scope

1.1 This standard specifies requirements for welded double bollards used on vessels for inland waterways. It lays down the materials and construction for a range of nominal sizes 70 to 500 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 the necessary strength of the bollards. Loading tests shall be performed as described in 8.

1.3 Cast vertical bollards with and without lugs for use in ships are covered separately in IS 3381 : 1965 ‘Specification for cast vertical bollards with and without lug’.