Contracts 'with quantities' are priced on the basis of drawings and firm bills of quantities. 'Without quantities' means a contract priced on the basis of drawings and usually another document, such as a specification or work schedules.
The JCT Standard Building Contract is designed for large or complex construction projects where detailed contract provisions are needed. Standard Building Contracts are suitable for projects procured via the traditional or conventional method.
The Joint Contracts Tribunal (JCT)
The JCT Design and Build Contract is designed for construction projects where the contractor carries out both the design and the construction work. Design and build projects can vary in scale, but the Design and Build Contract is generally suitable where detailed provisions are needed.
The main types of contract used in the UK are the Standard Building Contract, the Design and Build Contract and the Minor Works Building Contract, but the contract you need will of course be completely dependent on the nature of your project.
Clause 4.12. 1 of the JCT D&B (2011) requires the Contractor to submit its Final Statement following practical completion of the works. Clause 1.8 sets out the effect of a Final Statement.
'Without quantities' means a contract priced on the basis of drawings and usually another document, such as a specification or work schedules. The contract sum for measurement contracts is not finalised until completion of the project, where it is assessed on remeasurement to a previously agreed basis.
JCT contracts offer a comprehensive structure for construction projects, but they are not without their limitations. Recognising the disadvantages of JCT contracts—such as limited flexibility, complex language, and potentially high costs—can help clients and contractors approach these agreements with greater awareness.
The employer must provide drawings together with a description of works, and either a specification or work schedules at tender stage. The project is generally not complex enough to require bills of quantities.
Contracts 'with quantities' are priced on the basis of drawings and firm bills of quantities. 'Without quantities' means a contract priced on the basis of drawings and usually another document, such as a specification or work schedules.