Paragraph 6 Limits of Deviation
In carrying out linear works the undertaker may—
(a)
deviate laterally from the lines or situations of the authorised development shown on the works plan to the extent of the limits of deviation shown on that plan; and
(b)
deviate vertically from the levels of the authorised development shown on the sections—
(i)
to any extent not exceeding [insert number] metres upwards; or
(ii)
to any extent downwards as may be found to be necessary or convenient.