Power to deviate
6.—(1) In constructing and maintaining the works authorised by article 3(1) (power to construct, etc., works) and in exercising the powers conferred by article 5(1) (power to dredge the Severn Estuary), the Company may deviate laterally from the lines or situations of those works shown on the deposited plans to the extent of the limits of deviation or, for works authorised by article 5(1), to any extent not exceeding the limits of deviation for dredging.
(2) In constructing and maintaining the works authorised by article 3(1) the Company may deviate vertically from the levels of those works shown on the deposited sections to any extent downwards and up to three metres upwards as may be necessary or convenient.
(3) In exercising the powers conferred by article 5(1) the Company may deviate vertically to any extent upwards and up to 0.3 metres downwards as may be necessary or convenient.