民用工程合同书(33)

　　　　（b）in case the total aggregate sum of all monthly progress payments is less than eighty （80） percent of the original total contract price， then the difference between eighty （80） percent of the original total contract price and the total aggregate sum of all monthly progress payments will be paid at twenty （20）percent to compensate the contractor for overhead and loss of profit
　　　　（c）provided that adjustment of contract price under this shall not apply in the event of termination of this contract as provided for in 35. settlement of payment for the adjusted amount shall be made in the final payment. no adjustment of contract price shall be made for an increase or decrease in the quantity of individual items of work in the schedule.
　　the contractor shall send to the employer once in every month an account giving particulars， as full and detailed as possible， of all claims for any additional payment to which the con - tractor may consider himself entitled and of all extra or addition - al work ordered by the employer which he has executed during the preceding month.
　　no final or interim claim for payment for any such work or expense will be considered which has not been included in such particulars. provided always that the employer shall be entitled to authorize payment to be made for any such work or expense， notwithstanding the contractor's failure to comply with this con - dition， if the contractor has， at the earliest practicable opportuni - ty， notified the employer in writing that he intends to make a claim for such work.
30　plant， temporary work and materials
　　all constructional plant， temporary works and materials provided by the contractor shall， when brought on to the site， be deemed to be exclusively intended for the execution of the works and the contractor shall not remove the same or any part there - of， except for the purpose of moving it from one part of the site to another， without the consent， in writing， of. the employer.