10．為正常履行契約，在標書中，承包人應承諾按要求取得保險公司或銀行的保單或保函，或其他業經認可由承包人向業主負連帶責任的擔保，其數額不超過驗收證書中規定的保單或保函額，上述保險公司、銀行或擔保以及上述保單或保函的條款必須經業主認可。此種保單或保函的取得或擔保的提供，以及締結保單或保函的費用應全部由承包人承擔，契約中另有規定的除外。
11．the employer shall have made available to the contractor with the tender documents such data on hydrological and sub-surface conditions as shall have been obtained by or on behalf of the employer from investigations undertaken relevant to the works and the tender shall be deemed to have been based on such data，but the contractor shall be responsible for his own interpretation thereof．
11．業主必須在招標檔案中向承包人提供由業主或其代理人在進行工程考察時獲得的水文及地質情況資料，標書必須視為是基於此種資料所制定的，但承包人必須對資料的理解自行負責。
the contractor shall also be deemed to have inspected and examined the site and its surroundings and information available in connection therewith and to have satisfied himself，so far as is practicable，before submitting his tender，as to the form and nature thereof，including the sub-surface conditions，the hydrological and climatic conditions，the extent and nature of work and materials necessary for the completion of the works，the means of access to the site and the accommodation he may require and，in general，shall be deemed to have obtained all necessary information，subject as above mentioned，as to risks，contingencies and all other circumstances which may influence of affect his tender．
承包人也必須被視為已視察了工地及周圍環境，查閱了可獲得的有關工地資料，且在提交標書前，對一切實際情況，從形式到性質，包括地質條件、水文和氣候條件、工程範圍和性質以及完成工程所必需的材料、到達工地的交通工具和所需的食宿等感到滿意，總之，承包人必須被視為已得到所有必要的資料，除涉及上述情況外，還涉及風險、意外事件及其他一切可能影響其投標的情況。
12．the contractor shall be deemed to have satisfied himself before tendering as to the correctness and sufficiency of his tender for the works and of the rates and prices stated in the priced bill of quantities and the schedule of rates and prices，if any，which tender rates and prices shall，except insofar as it is otherwise provided in the contract，cover all his obligations under the contract and all matters and things necessary for the proper execution and maintenance of the works．if，however，during the execution of the works the contractor shall encounter physical conditions，other than climatic conditions on the site，or artificial obstructions，which conditions or obstructions could，in his opinion，not have been reasonably foreseen by an experienced contractor，the contractor shall forthwith give written notice thereof to the engineer's representative and if，in the opinion of the engineer，such conditions or artificial obstructions could not have been reasonably foreseen by an experienced contractor，then the engineer shall certify and the employer shall pay the additional cost to which the contractor shallhave been put by reason of such conditions，including the proper and reasonable cost．