"Final completion" refers to the moment when something is fully finished and all tasks or elements have been completed. It is the last stage or step before reaching the final outcome or goal. Full definition
For example, some Consulting Agreement contract terms may allow consultants to bill in advance, some specify weekly basis, and others allow billing only upon final completion of the project. (rocketlawyer.com)
The $ 1 billion Gateway WA roads project is now 60 per cent finished, six months ahead of schedule, with final completion now projected by mid-2016. (businessnews.com.au)
Attended regular project meetings including pre-construction, construction progress, design focus, internal development and final completion progress. (jobhero.com)