Access to work: provision of information
51.—(1) Network Rail shall at all times on being given reasonable notice allow reasonable facilities to the engineer for access to any specified work during its construction; but such facilities for access shall be subject to Network Rail’s reasonable requirements for ensuring the safety of the railway and of the engineer and other persons working on the railway.
(2) Network Rail shall supply the engineer with all such information as he may reasonably require with regard to any specified work or the method of constructing it.