It is agreed that any loss or damage to the Insured property arising during any one period of seventy two (72) consecutive hours, caused by storm tempest flood or earthquake shall be deemed as a single event and therefore to constitute one occurrence with regard to the deductibles provided for herein.
For the purpose of the foregoing the commencement of any such seventy (72) hours period shall be decided at the discretion of the Insured, it is being understood and agreed, however, that there shall be no overlapping in any two or more such seventy two (72) hours period in the event of damage occurring over a more extended period of time.