6  Variations

6.1  No approval or comment or any failure to give or make an approval or comment under this Schedule shall constitute an Authority Change save to the extent provided in this Schedule.

6.2  If, having received comments from the Authority's Representative, the Contractor considers that compliance with those comments would amount to an Authority Change, the Contractor shall, before complying with the comments, notify the Authority of the same and, if it is agreed by the parties or determined pursuant to the Dispute Resolution Procedure that an Authority Change would arise if the comments were complied with, the Authority may, if it wishes, implement the Authority Change and it shall be dealt with in accordance with the Change Protocol.  Any failure by the Contractor to notify the Authority that it considers compliance with any comments of the Authority's Representative would amount to an Authority Change shall constitute an irrevocable acceptance by the Contractor that any compliance with the Authority's comments shall be without cost to the Authority's without any extension of time.

6.3  No alteration or modification to the design, quality and quantity of the Works arising from the development of detailed design or from the co-ordination of the design shall be construed or regarded as an Authority Change.