求翻译：施工中承包人不得对原工程设计进行变更。因承包人擅自变更设计发生的费用和由此导致发包人的直接损失，由承包人承担，延误的工期不予顺延。是什么意思？

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construction contractors were not on the original design to make changes. Unauthorized design changes for the contractor's costs incurred and the consequent rise in a direct loss, delay, and by the contractor for the project duration is not delayed.

In the construction the contractor does not have to carry on the change to the original engineering design.Because the contractor arbitrarily changes the expense which the design occurs and causes to send Bao Ren the direct loss from this, undertakes by the contractor, the delay time limit for a pro

Construction contractor shall not make changes to the original design. Arbitrarily change the design costs incurred due to the contractor and which led to the direct loss of client, borne by the contractor, duration of the delay will not be extended.

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