16．（1）the contractor shall provide and employ on the site in connection with the execution and maintenance of the works．
16．1承包人必須在工地上提供和雇用與施工和工程維護有關的：
（a） only such technical assistants as are skilled and experienced in their respective callings and such sub-agents，foremen and leading hands as are competent to give proper supervision to the work they are required to supervise，and
（1）對本專業熟悉和經驗豐富的技術人員，能勝任規定監管工作的分代理人、工頭和領班，以及
（b）such skilled，semi-skilled and unskilled labor as is necessary for the proper and timely execution and maintenance of the works．
（2）為正常和及時施工和維護工程所需的熟練、半熟練和非熟練工人。
（2）the engineer shall be at liberty to object to and require the contractor to remove forthwith from the works any person employed by the contractor in or about the execution ormaintenance of the works who，in the opinion of the engineer，misconducts himself，or is incompetent or negligent in the proper performance of his duties，or whose employment is otherwise considered by the engineer to be undesirable and such person shall not be again employed upon the works without the written permission of the engineer．any person so removed from the works shall be replaced as soon as possible by a competent substitute approved by the engineer．
16．2如工程師認為承包人雇來進行或有關施工或工程維護的任何人員行為不軌、或不能或疏於履行其職責、或認為其僱傭純屬不必要，工程師有權反對僱傭，並要求承包人立即將其從工地解僱，未經工程師的書面同意，此種人員不得再被雇用到工地。凡被從工地解僱人員的職位應儘快由工程師認可的稱職人選接替。
17．the contractor shall be responsible for the true and proper setting-out of the works in relation to original points，lines and levels of reference given by the engineer in writing and for the correctness，subject as above mentioned，of the position，levels，dimensions and alignment of all parts of the works and for the provision of all necessary instruments，appliances and labor in connection therewith．if，at any time during the progress of the works，any error shall appear or arise in the position，levels，dimensions or alignment of any part of the works，the contractor， on being required so to do by the engineer or the engineer's representative，shall，at his own cost，rectify such error to the satisfaction of the engineer or the engineer's representative，unless such error is based on incorrect data supplied in writing by the engineer or the engineer's representative，in which case the expense of rectifying the same shall be borne by the employer． the checking of any setting-out or of any line or level by the engineer or the engineer's representative shall not in any way relieve the contractor of his responsibility for the correctness thereof and the contractor shall carefully protect and preserve all bench-marks， sight-rails，pegs and other things used in setting-out the works．