Before making or confirming an order or scheme which provides for the construction of a bridge over or a tunnel under navigable waters, the Minister shall take into consideration the reasonable requirements of navigation over the waters affected by the order or scheme.

An order or scheme which provides for the construction of such a bridge shall include such plans and specifications as may be necessary to indicate the position and dimensions of the proposed bridge including its spans, headways and waterways, and in the case of a swing bridge shall contain such provisions as the Minister considers expedient for regulating its operation.

An order or scheme which provides for the construction of such a tunnel shall include such plans and specifications as may be necessary to indicate the position and dimensions of the proposed tunnel, including its depth below the bed of the navigable waters.

If objection to an order or scheme proposed to be made or, as the case may be, to an order or scheme made and proposed to be confirmed, is duly made in accordance with Schedule 1 to this Act by F1the National Rivers Authority or any navigation authority on whom notice is required to be served under paragraph 3 or, as the case may be, paragraph 11 of that Schedule, on the ground that the bridge or tunnel is likely to obstruct or impede the performance of their functions under any enactment, or to interfere with the reasonable requirements of navigation over the waters affected by the order or scheme, as the case may be, and the objection is not withdrawn, the order or scheme, as the case may be, shall be subject to special parliamentary procedure.