I am so sorry to interrupt schedule coordination.
This schedule looks like earliest time path.
We have enough time to spend time, and keep better quality of the project.
I am just wondering that ceiling work shall be hold until ME test and commissioning of water pipe such as fire protection, compressed air and chilled water.
Because, this project and CEC project is basically 90% ME work, so please hold interior work especially ceiling work until ME work above ceiling is completely ok.
Technically, ME system complete will be after ceiling finish, but as long as the project period is end of September, please do not be rush this project with less quality.