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Final Acceptance Certificate meaning
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What does Final Acceptance Certificate mean?
Final Acceptance Certificate (FAC) describes, in construction and engineering practice, the document issued by the employer (or its representative) confirming that a plant or works has completed commissioning and has satisfied the contractual acceptance criteria (for example performance, efficiency, availability, emissions and reliability tests), and is formally accepted into service. It is not defined by statute; its meaning is contractual and used consistently across England & Wales, Scotland, Northern Ireland and Ireland, sometimes under other labels (such as Performance Certificate or Final Completion Certificate).
An FAC typically follows an earlier taking-over or provisional acceptance and is issued after any reliability run and the rectification of defects identified during commissioning; it may coincide with, or follow, the end of the defects liability/notification period. Issuing the FAC usually triggers key consequences: payment of the acceptance/final milestone, release of retention, cessation or recalibration of delay/performance liquidated damages, commencement or continuation of the contractual warranty period, transfer or confirmation of risk and responsibility for operation and maintenance, and, where applicable, transfer of title. In sectors such as energy-from-waste and other process plants, the FAC is critical because the facility must be constructed, commissioned and operated to demonstrate throughput and environmental compliance before contractual acceptance.
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View the related Practice Notes about Final Acceptance Certificate
PRACTICE NOTES
UK PFI, PF2 and PPP glossary: contracts, changes, payment mechanisms, FM services, risk allocation, adjudication and handback
Abandon Describes a situation where the contractor halts performing the works for an extended, uninterrupted span of days (eg 20 business days) or for a greater aggregate of non-consecutive days (eg 60 business days) across the project’s duration or within a stated timeframe (eg 12 months), doing so wilfully and without justification at any stage of delivery or execution. Abandonment is ordinarily treated as a contractor default, enabling the Authority to terminate the Project Agreement and/or permitting Project Co to end the construction contract immediately for cause. Acceptance Tests Tests carried out to confirm whether the facility (or another project asset) achieves the standards required for the Authority to deem facility complete and accept it. Access Protocol The protocol that Project Co must follow in order to obtain access to the buildings forming part of the project at any time during the term. For instance, on a social housing scheme or a school, prerequisites would have to be satisfied by Project Co before...
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PRACTICE NOTES
IChemE EPCM ‘Blue Book’: legal guide to EPCMC obligations, works contract management, pricing, time/LADs, payment, completion, defects, risk allocation, liability caps, dispute resolution, and 2024–2025 amendments, AI guidance
EPCM ‘Blue Book’ (IChemE, March 2023) This Practice Note reviews the engineering, procurement and construction management (EPCM) form of contract, commonly termed the ‘Blue Book’, released by the Institute of Chemical Engineers (IChemE) in March 2023. Construction management is now a widely recognised procurement route; nevertheless, it differs fundamentally from other IChemE contracts, particularly when set against the EPC approach to allocating risk... Where many other contracts prioritise delivery by a single contractor who assumes significant design and construction risk, EPCM dispenses with any sole ‘contractor’ undertaking the works. Instead, trade contractors (the ‘Contractors’) contract directly with the Purchaser under Works Contracts to design, supply and install goods and materials for the Plant. Their activities are directed by the EPCM contractor (the ‘EPCMC’), and performance risk is distributed across multiple Contractors. The EPCMC is appointed to provide the management services required to oversee and coordinate their performance in constructing the Plant. See also Practice Note: Construction management for broader guidance on the route, and for other IChemE forms...
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