2U.K.In their construction—
(a)each scheduled work may deviate from the line or situation shown for that work on the deposited plans to the extent of the limits of deviation so shown;
(b)Work No. 5 may deviate from the level shown for that work on the deposited sections to the extent of 10 metres upwards and to any extent downwards; and
(c)each of the scheduled works other than Work No. 5 may deviate from the level so shown for the work in question to the extent of 3 metres upwards and to any extent downwards.