Article 6 Power to deviate
In constructing or maintaining any of the scheduled works, Network Rail may—
deviate laterally from the lines or situations shown on the deposited plans within the limits of deviation relating to that work shown on those plans or, in the case of Work No. 20, within a distance of 10 metres on either side of the line of that work shown on those plans; and
deviate vertically from the levels shown on the deposited sections—
in the case of Works Nos. 1, 2, 12, 22, 23 and 24, to any extent not exceeding 0.75 metres upwards,
in the case of Works Nos. 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14 and 21, to any extent not exceeding one metre upwards or downwards,
in the case of any of the remaining works, to any extent not exceeding three metres upwards or downwards.