The scope of this part is:- to establish a working terminology for crossings with moveable parts, which means crossings with moveable parts to close the gap of the running edge, and their constituent parts, and identify the main types;- to list the minimum informative requirements for the manufacture of crossings with moveable parts and/or their constituent parts;- to formulate codes of practice for inspection and tolerances for crossings with moveable parts and/or their constituent parts;- to establish the limits and extent of supply;- to list the method by which crossings with moveable parts and their constructional parts should be identified and traced;-