If materials, fixtures and equipment have to be imported, can an extension of the Completion Time be granted to account for their delayed delivery?

The Contractor shall make timely arrangements for the purchase and delivery of all specified imported materials, fixtures, appliances and equipment in order to avoid delay in the completion of the Work.

Should Contractor-supplied imported materials, fixtures, appliances and equipment arrive late, an extension of time may be granted by the Owner if they arrived late for reasons other than the negligence or inadvertence of the Contractor.