BOTAŞ Inc. Keson and Caisson Crossings Specification, which has been followed for some time, has been revised and entered into force.

With the entry into force of the specification, as one of the insulation pipe types to be used in the new caisson applications in BOTAŞ standard GRP pipes have been included in the scope of the description, non-steel caisson pipe has also been included in the application and GRP Jacking (Thrust) Pipes that can be produced by fibre winding or centrifugal casting methods have also been included in the scope of the specification.