These cost estimates must be approved by the OPERATOR Construction Supervisor or the OPERATOR Implementation Supervisor in writing prior to the start of any WORK.
这些成本估价在工程开工之前必须先得到运营商工程主管或者运营商执行主管的书面批准。
2
Schedule development can require the review and revision of duration estimates and resource estimates to create an approved project schedule that can serve as a baseline to (75) progress.