At the end of the Defects Liability Period, which generally is 365 days after the issuance of the Taking Over certificate you can apply for the Final Certificate. In order for the Engineer to issue the Final Certificate the Contract requires that he has in possession or have received the following documents, certificates, material or clearances.
Sets of As-Built Drawings (hard and soft copies)
Sets of Test Certificates, Results, Reports and Records
Sets of Testing and Commissioning Reports inclusive of Completed Check Sheets
Guarantees, Warranties and Extended Warranties
Spare Parts and Replacement Parts
Sets of Special Tools for Operation and Maintenance purposes
Training Sessions for the Employer's Operations and Maintenance Staff
Inspecting Authorities Final Approval Certificates upon completion of the Works
Municipality Certificate of Completion for Whole of the Works
Once the the Final certificate is issued all obligations under the Contract is considered fullfilled and completed. All outstanding Retentions and Performance Bonds must be released within 28 days of receipt of the Certificate.