Which activities are performed as a part of Project Closure?

Key activities performed as part of Project Closure are

1.) Analysis

2.) Acceptance of Deliverables

3.) Finalise leasons learned

4.) Project Reporting

5.) Update and Archive Documents

6.) Other Important Activities which include the finalization of procurement, open issues, customer training regarding the deliverables, release or re-assignment of resources, project team appraisals, vendors performance, final payments to contractors, and administrative closure.

According to PMBOK5th Edition, the Closing Process Group has two processess:

1.- Close Project or Phase. It includes releasing organization resources, completing lessons learned, getting formal ending of project work

2.- Close Procurements. It includes documenting agreements and archiving documentation for future reference

In addition to the above 

Formal signing off 

Updating the performance review for team members

recommedations, rewards, benefits 

marking end of project by a farewell / celebration

Assets safegurd

Charged off assets scrutiny

Handing & Taking over for Testing & Commisioning

Punch line check

Defect liability period

Site clearance 

Catalog of of equipment, operation and maintenance manual, warranties,  guaranties,  operation and maintenance training,  spare parts list and reorder value, provision to fight possible emergencies of faulty systems.

Check your objectives/goals. If you achieve your target then just calculate the inputs versus achievements and it will tell you the failure or success of the project