The Thorpe Marsh Gas Pipeline Order 2016

Limits of deviation

6.  In carrying out or maintaining the authorised development the undertaker may—

(a) deviate the pipeline works laterally from the lines or situations of the authorised development shown on the works plans within the extent of the limits of deviation shown on those plans;

(b) with the exception of Works No. 83, 84, 122 and 123, deviate the pipeline works vertically upwards to a limit of not less than 1.2 metres below the surface of the ground (except where ground conditions make compliance with this upwards limit impracticable in which case the upwards limit is 0.7 metres below the surface of the ground);

(c) with the exception of Work No. 57, deviate the pipeline works to any extent downwards as may be found to be necessary to a maximum depth of 20 metres below the surface of the ground;

(d) deviate Works No. 5, 6 or 7 vertically only to the maximum extent assessed in the environmental statement.