52．5承包人應每月向工程師代表提交一報告，儘可能全面詳盡地索要他所認為有權要求的一切額外費用，以及陳述上月他按工程師的命令所作的一切額外工作。
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 engineer shall be entitled to authorize payment to be made for any such work or expense，notwithstanding the contractor's failure to comply with this condition，if the contractor has，at the earliest practicable opportunity，notified the engineer in writing that he intends to make a claim for such work．
凡未包括在報告中的工作或費用不能在中期或最後給予支付。但如承包人在最初曾書面通知工程師他想就此種工作要求索賠，即使他未遵守上述規定，工程師也有權要求對此種工作或費用給予支付。
plant，temporary works and materials
設備、臨建工程和材料
53．（1）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 thereof，except for the purpose of moving it from one part of the site to another，without the consent，in writing，of the engineer，which shall not be unreasonably withheld．
53．1承包人所提供的所有建築設備、臨建工程設施和材料抵達工地後，應視作完全用於施工，承包人不得移動它們或其任何部分，經工程師書面同意，將它們從工地一端移到另一端除外，工程師不得無故不予同意。
（2）upon completion of the works the contractor shall remove from the site all the said constructional plant and temporary works remaining thereon and any unused materials provided by the contractor．
53．2工程完工後，承包人應從工地將所有上述建築設備、臨建工程設施及按契約所提供的材料的剩餘部分清理走。
（3） the employer shall not at any time be liable for the loss of or damage to any of the said constructional plant, temporary works or materials or as mentioned in clauses 20 and 65 hereof．
53．3業主對上述建築材料、臨建工程及材料的損失或損壞概不負責，本契約第20和第65條規定的除外。
（4）in respect of any constructional plant which the contractor shall have imported for the purposes of the works，the employer will assist the contractor，where required，in procuring any necessary government consent to the re-export of such constructional plant by the contractor upon the removal thereof as aforesaid．