HKA
2 Contributions by HKA Experts
PRACTICE NOTES
This Practice Note explains the roles performed by bills of quantities (‘BoQs’) under the JCT forms of contract, the matters parties ought to weigh up and the contents of BoQs, alongside some hands-on pointers. It concentrates on the 2024 editions of the JCT forms, while noting that comparable provisions appear in earlier versions. The JCT describes Contract Bills (eg in clause 1.1 and the Second Recital, JCT Standard Building Contract With Quantities 2024) as ‘the fully priced bills of quantities referred to in the Second Recital’. In broader terms, BoQs are schedules setting out units, quantities, rates and totals for items of work, materials, components and labour, itemised in line with an industry‑recognised standard method of measurement. Typically prepared by the Employer’s consultant, they are derived from the drawings and specifications issued at tender. They accompany the tender so that all
Construction
PRACTICE NOTES
This Practice Note outlines the nature and purpose of the Information Release Schedule (IRS), how it operates within JCT contracts, and key practical points to bear in mind when deploying the IRS and embedding it in a JCT agreement.
Information Release Schedule
Under JCT, the IRS—see, for instance, the fifth recital of the JCT Standard Building Contract Without Quantities—sets out which information the Architect or Contract Administrator will issue, together with the timing of that release. In effect, it functions as a programme governing the orderly flow and delivery of design information.
An IRS is required on a project where comprehensive design data is not available at the tender documentation stage, or will still be incomplete by the time the contract is executed. This arises most acutely on fast‑track schemes, where external drivers—typically determined by the project’s business case, for example a harvest deadline on a
Construction
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