Article 6 Power to deviateI1

In constructing the works A.B. Ports may deviate laterally from the lines or situations shown on the deposited plans and described in article 4 (Power to make works) to the extent of the limits of deviation and may deviate vertically from the levels shown on the deposited sections to any extent not exceeding five metres upwards and to such extent downwards as may be found necessary or convenient.