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Glossary

Project language, in this site’s words. Not definitions copied from the standard.

Term	In plain use
Appointing party	The organisation that says what information it needs and appoints others to produce it.
Appointed party	An organisation appointed to produce information. A lead appointed party coordinates other appointed parties.
CDE	Common Data Environment. The agreed system and process for collecting, managing and sharing containers.
Information container	A named file or set of files managed as one unit: a model, drawing, schedule or report.
Federation	Combining discipline containers so clashes and gaps can be seen. Not a merge into one authoring file.
WIP / Shared / Published / Archive	The four states. Shared is for coordination. Published is accepted for a stated purpose.
Suitability	Metadata saying what a container may be used for. Distinct from revision and from state.
Information standard	The project rules: naming, status, classification, acceptance.
EIR	Exchange information requirements. What an appointment asks an appointed party to deliver.
Preliminary result	A figure from a stated formula. Not a design approval.
Darcy–Weisbach	Straight-pipe head loss from friction factor, length, velocity and diameter. Fittings are extra.
Rational method	A peak-flow screen, Q = 2.78 C i A in the units used here. Not FEH.
Hydrostatic bound	Fluid pressure as unit weight times height. An upper picture, not a formwork design.
Temporary works coordinator	The BS 5975 procedure role. This site does not appoint one.