Paragraph 22 I1

In relation to any dispute arising under this part of this Part of this Schedule (except for those disputes referred to in paragraph 11) the provisions of article 42 (arbitration) shall not apply and any such dispute, unless otherwise provided for, must be referred to and settle by a single arbitrator to be agreed between the parties, or failing agreement, to be appointed on the application of either party (after giving notice in writing to the other) to the President of the Institute of Civil Engineers.