Defining on-costs
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The full questionnaire used by IUK is available on gov.uk. In summary, it identifies costs by the stages of a project.
Feasibility stage (pre-construction).
Preliminary design.
Construction stage including client construction stage costs and civil engineering (constructor's cost elements).
Testing and assurance.
Feasibility stage (pre-construction)
Concept design – client's preliminary design costs (e.g. RIBA 1 or...
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