Where more than one event causes concurrent delays affecting a particular activity or area of the Site and the cause of at least one of those events, but not all of them, is not a cause of delay listed in Sub-Clause 8.4 (Extension of Time for Completion), then to the extent that the delay in respect of the cause or causes of delay which are not listed in Sub-Clause 8.4 (Extension of Time) are concurrent with the other causes of delay, the Supplier will not be entitled to any extension of Time for Completion.