Output Specification (see also Services Output Specification for PF2) meaning

An Output Specification sets the performance and functional outcomes the private partner must achieve on a project (for example room capacity, temperature ranges, availability, response times), without prescribing how to design, construct or deliver the services. It is a contractual term of art rather than a statutory definition, and is used across PPP/PFI/DBFM/DBFO projects. Typically, the Output Specification forms part of the authority’s requirements (or equivalent) and underpins the payment and performance regimes: compliance is measured against objective, measurable, verifiable outputs, with deductions/abatements or reliefs applied through the payment mechanism. It allocates design, construction, lifecycle and facilities management risk to the contractor by allowing freedom as to means, subject to meeting specified outputs. Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland (Irish PPPs use comparable output-based specifications within the project agreement). PF2 note: Under HM Treasury’s PF2 programme (now closed to new projects), a Standard Form Services Output Specification (SOS) was issued and expected to be used for PF2 procurements, with sector-specific amendments.