Power to deviate
6.—(1) In constructing or maintaining any scheduled work, Railtrack may—
(a)subject to paragraph (2) below deviate laterally from the lines or situations shown on the deposited plans within the limits of deviation for that work so shown; and
(b)deviate vertically from the levels shown on the deposited sections to any extent not exceeding—
(i)in relation to Work No. 5A and Work No. 5B, one metre upwards or downwards; and
(ii)in relation to any other work, one and a half metres upwards or downwards.
(2) The centre line of any track comprised in Work No. 3 shall not be located any closer to the houses on the southern side of the existing railway than the centre line for that work shown on the deposited plans.