The object of claim for extension of time is to extend the construction time, to avoid the penalty for delay, and then provide the contract foundation for legality of financial claim.

工期索赔的目的首先是延长工期，避免遭受工期延误罚款；其次是给经济索赔的合法性奠定合同基础。

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Because start time delay of activity and activity float time were all take into account in time claim, the conclusion was more convictive then before.

工期索赔中考虑了工序的开工延迟以及工序的总时差，从而使索赔结论更具有说服力。

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