From Practical Completion to the Final Certificate: Closing a Contract

The stages between handover and the end of a construction contract, what each certificate actually does, and the obligations that survive completion.

Practical completion is not the end of a construction contract. It transfers possession, stops the delay damages clock, reduces retention and starts the defects liability period. The contract ends later, with the final certificate, and the work between those two points decides whether the closing position is clean or contested for years.

Before stage one

Begin preparing about three months before the planned completion date. You need an agreed definition of what practical completion requires on this project, a handover document schedule, a commissioning and testing plan with witnessing arrangements, and a decision on who will operate the building. Certification requirements and the obligations of various authorities change from time to time, so confirm what applies to your building before you plan the sequence.

• Write down what practical completion requires on this project, including which minor items may remain outstanding.
• Issue the handover document schedule to the contractor with a deadline ahead of the completion date.
• Confirm the commissioning and testing programme, with witnessing arranged for every system.
• Identify the authority approvals and inspections needed before the building can be occupied.
• Decide who will operate and maintain the building from the day of handover, and brief them.

Stage 1: Agree the completion criteria before anyone inspects

Most completion disputes are definitional. One party treats practical completion as the point where the building can be used with only minor items outstanding; the other treats it as the point where everything is finished. Agree in writing which items may remain outstanding, what the threshold is for a defect that prevents completion, and how a disagreement will be resolved. Doing this before the inspection removes the argument from the day itself.

• Deliverable: A written completion criteria note agreed by both parties.
• Owner: The contract administrator.
• Approval gate: Both parties have signed the criteria note before the pre completion inspection.

Stage 2: Complete commissioning and witness the tests

Systems have to be tested, balanced and demonstrated, not merely installed. Each system needs its own results, witnessed and signed: water pressure tests, drainage, electrical testing, fire alarm and suppression demonstration, lift tests, air balancing and controls verification. Accepting a commissioning file without having witnessed the demonstrations is how buildings are handed over with systems that have never worked together.

• Deliverable: A commissioning file with witnessed results for every system and a record of any outstanding items.
• Owner: The supervising engineer, with the specialist subcontractors.
• Approval gate: No system is accepted without a witnessed demonstration and a signed result.

Stage 3: Secure the approvals the building needs for occupation

Occupation of a completed building generally depends on approvals and inspections from the relevant authorities, which may include municipal inspection through Balady, civil defence approval for life safety systems and utility connection sign offs. These processes run on their own timescales and their requirements are revised periodically, so start them well before completion and confirm the current position with each authority rather than relying on what happened on the last project.

• Deliverable: The approvals and inspection records required for occupation, filed with the handover documents.
• Owner: The party the contract makes responsible, with the designer supporting submissions.
• Approval gate: Every approval needed for occupation is obtained or has a confirmed date.

Stage 4: Inspect, list and classify the outstanding items

Inspect systematically, room by room and system by system, with the contractor present. Classify every item as a defect preventing completion, a defect to be rectified during the defects period, an incomplete item of work or a matter requiring an instruction. The classification controls what happens next: only the first category delays certification. A single undifferentiated list of hundreds of items invites an argument about the whole document.

• Deliverable: A classified schedule of outstanding items with a responsible party and a target date against each.
• Owner: The supervising team, with the contractor countersigning.
• Approval gate: Both parties have signed the classified list, even where they disagree about individual classifications.

Stage 5: Collect the handover documentation before certifying

As built drawings, operation and maintenance manuals, test certificates, warranties and guarantees, spare parts and keys, training records and the asset register are all far easier to obtain before the certificate than after. Make the delivery of the document schedule a condition of certification where the contract allows, because a contractor whose retention has already stepped down has very little reason to produce a manual.

• Deliverable: A complete handover file checked against the schedule issued at the start of the process.
• Owner: The contractor, verified by the supervising team.
• Approval gate: The file is checked item by item against the schedule, with gaps listed.

Stage 6: Certify practical completion and apply the consequences

Issue the certificate, then apply everything that follows from it: the delay damages clock stops, retention steps down, the defects liability period begins, insurance responsibility may transfer, and the performance security may reduce or be replaced. Each of these is an action with an owner and a date, and each is routinely forgotten. Handle them as a single checklist completed within days of certification.

• Deliverable: A practical completion certificate plus a completed consequences checklist.
• Owner: The contract administrator, with the commercial manager.
• Approval gate: Every consequence of the certificate has been actioned and recorded.

Stage 7: Run the defects liability period actively

The defects period is an opportunity to have faults corrected by the party that built them, under an obligation, at no cost. It is commonly wasted by reporting nothing until the final month. Inspect at planned intervals, report defects in writing as they appear with a reasonable period to rectify, keep a log with dates and photographs, and schedule a thorough inspection before the period expires. Seasonal items deserve particular attention, since cooling and drainage faults appear under load rather than at handover.

• Deliverable: A defects log with reported dates, rectification dates and evidence, and a pre expiry inspection report.
• Owner: The building operator, with the contract administrator issuing the notices.
• Approval gate: A full inspection is completed and the resulting defects notified before the period ends.

Stage 8: Settle the final account and issue the final certificate

Agree the final account, confirm all notified defects have been rectified, and issue the certificate the contract provides to close the works. Release the remaining retention and return any outstanding securities. Understand what the final certificate does under your contract, because in many forms it has evidential consequences for the quality of the work and can close off claims on both sides. That effect is a legal question, so take advice from a licensed adviser before issuing or accepting it.

• Deliverable: An agreed final account, a final certificate, released retention and returned securities.
• Owner: The contract administrator and the commercial manager.
• Approval gate: Nothing remains outstanding on the defects log or the final account before the certificate is issued.

Handovers between stages

The critical handover is from the project team to whoever will operate the building. If the operator receives the keys without the manuals, the asset register, the warranties and the training, the first year of operation is spent rediscovering information that was handed over and lost. Arrange a formal transfer meeting with the handover file physically present, walk the operator through the plant rooms and record the attendance. The second handover is from the project team to the commercial team, which has to administer retention releases and defects notices for months after everyone else has moved on.

How you know it is finished

The contract is closed when the final account is agreed, the final certificate is issued, retention is released, securities are returned and the handover file is in the hands of the people who run the building. Keep the complete contract file afterwards, because warranty claims, latent defect questions and insurance matters can arise long after the team has dispersed, and the file is the only thing that will answer them.

Domira builds and supervises projects across Saudi Arabia, and the commercial discipline above is how its projects stay inside their budget and their programme. Send the drawings, the contract or the site and Domira will tell you where the risk actually sits.