A payment claim under the Building and Construction Industry Payments Act 2004 (Qld) must relate to a single construction contract; a claim covering work under multiple distinct contractual arrangements is invalid. Work under a formal subcontract with work orders and work on a 'do and charge' basis constitute separate contractual regimes and cannot be combined in one payment claim. An adjudicator must assess the value of construction work actually carried out as at the reference date, not award full lump sum prices where work is incomplete. However, the inclusion of an obviously erroneous non-construction item in a payment claim does not deprive the adjudicator of jurisdiction.
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