New Engineering Contract

Content sourced from Wikipedia, licensed under CC BY-SA 3.0.

The New Engineering Contract (NEC) is a set of standard contracts created by the UK Institution of Civil Engineers to help plan, bid for, manage and complete civil engineering, construction and maintenance projects. It is widely used in the UK and Hong Kong public sectors and is increasingly used in private projects. NEC contracts are also active in countries such as Australia, Ireland, the Netherlands, New Zealand, Peru, the Philippines, South Africa and the UAE.

History in brief
NEC began in the 1980s to replace bespoke contracts with clearer language and fewer disputes. The first edition appeared in 1993, followed by NEC2 in 1995. The NEC3 suite came in 2005 and was updated in 2013. The NEC4 edition was released in 2017, bringing new flexibility and easier administration, plus two new contract forms. The NEC Users’ Group, with hundreds of members worldwide, shares knowledge and best practice.

What the NEC is
NEC is a family of contracts designed to encourage good project management and collaboration between Employers (the client) and Contractors (the builders). The contracts set out clear duties and how work is to be planned, managed and paid. The wording and structure are designed to be straightforward and easy to understand, reducing “gamesmanship” and delays.

The NEC suite (main contracts)
- Engineering and Construction Contract (ECC): the main contract for construction work between an Employer and Contractor. It comes with several options that determine payment and risk sharing.
- Engineering and Construction Subcontract (ECS): similar to ECC but used when the Contractor sublets some or all of the work.
- Engineering and Construction Short Contract (ECSC): a simpler, lower-risk version for shorter or less complex projects.
- Engineering and Construction Short Subcontract (ECSS): a shorter subcontract related to an ECS project.
- Professional Services Contract (PSC): for services like design work, where no physical construction is done.
- Professional Services Short Contract (PSSC): a simpler version for smaller design-management jobs.
- Framework Contract (FC): sets up a framework with chosen work packages let over time using other NEC contracts.
- Term Service Contract (TSC): for ongoing operations or maintenance works.
- Supply Contracts (SC/SSC): for supplying goods or bespoke items to a project.
- Dispute Resolution Services Contract (DRSC): for how disputes are handled, including adjudication.
- Design, Build and Operate (DBO): a single-supplier package covering design, construction, operation and maintenance over the project life.
- Alliance Contract (ALC): a fully collaborative contract for large, complex projects with shared risks and rewards.
- Facilities Management contract suite (FMC, FMS, FMSC, FMSS): for ongoing facilities management work.

Guidance and how the contracts work
Each contract comes with guidance notes and flowcharts to help users understand and apply the clauses. A key concept is the “compensation event,” which covers variations and additional costs or time extensions that may arise during the project. NEC contracts use specific terminology and structures, such as defining the two main data sets from the Employer and the Contractor, and balancing responsibilities to keep projects on track.

Z clauses and flexibility
Employers sometimes add extra conditions (Z clauses) to tailor contracts to special needs. Public sector bodies have published standard Z clauses, such as fair payment for subcontractors. However, excessive or poorly drafted Z clauses are frowned upon, and guidance encourages using them only when necessary.

Notable uses and evolution
NEC contracts have been chosen for high-profile projects worldwide, such as major rail and city projects, large-scale building programs, and public sector initiatives. The NEC4 edition added flexible design-build-operate and alliance options, reflecting changes in procurement and project management and improving clarity and administration. A facilities management contract suite was added in 2021.

In short
The NEC is a flexible family of standard contracts that aims to promote good management, clear responsibilities, and easier administration across a wide range of construction, maintenance and facilities management projects. It emphasizes collaboration between parties, transparent risk and cost management, and language that is straightforward to understand.