Paragraph 21 I1

the programme for the construction of that work so as to secure, so far as may be reasonably practicable, that the duration of any disturbance occasioned by, or in connection with, that construction is reduced to a minimum; and

the land within the limits of deviation to be occupied and used by LUL as temporary working sites for the purpose of that construction, the period for which and the manner in which each site is to be used and the steps to be taken by LUL in order to mitigate any injury to amenity.