Many in project work have the tendency to only focus on their specific task and forget to see the implications of their work on the timeline of others

It is key to communicate risks and delays as soon as possible as otherwise extreme amounts of pressure starts to build in the project

Everyone has a responsibility and role in the project. If that is not well understood no one will feel responsible for tasks not delivered on time and some departments will get overloaded while others can relax.

Clarity and continuous checking up on the progress of the project is key. Assumptions that are not verified lead to catastrophic timelines.

Project work is very different from work within one department. We need to avoid working in silos as projects need much more of a matrix approach.

Have the ability to stay flexible and if needed do replanning, do deal with the many unknowns in a project. Even if your project is waterfall structured.

Be aware that little add ons to the project scope might have huge repercussions on the delivery of the project. Scope creep, even small add ons, need to be thoroughly discussed in terms of its implications