PART 2PRINCIPAL POWERS
Limits of deviation5
In carrying out the authorised development the undertaker may—
a
deviate laterally from the lines and situations of the authorised development shown on the works plans to the extent of the limits of deviation shown on those plans; and
b
deviate vertically from the levels of the authorised development shown on the sections—
i
to any extent not exceeding 1.5 metres upwards; and
ii
to any extent downwards as may be found to be necessary or convenient.