Answer:
Project work is all the work and only the work which is in the scope statement/ SOW. A (SOW) is a formal document that captures and defines the work activities, deliverables and timeline a vendor will execute against in performance of specified work for a client. Detailed requirements and pricing are usually included in the Statement Of Work, along with standard regulatory and governance terms and conditions.
Whereas non project work is not required for successfull completion of the project and it increases the cost, time and increases the risk for project completion.