NEC4: The Role of Contract Data

This episode covers the role of contract data in NEC4, explaining how data part one (client) and data part two (contractor) work together to fuel the contract. Ben Walker uses the analogy of the contract as a car and contract data as its fuel, before exploring italicised terms as the bridge between conditions and data. The session features a live demonstration of NEC Digital by Iain Jeffries from Thomas Telford, showing how the platform prevents incompatible option selections and streamlines the contract data completion process for both clients and contractors.

Presented By
Glenn Hide
Glenn Hide
GMH Planning
Ben Walker
Ben Walker
Gather
Key Takeaways

Contract Data is the Fuel That Makes NEC4 Work

Without contract data, the conditions of contract are an empty shell. Data part one (provided by the client) and data part two (provided by the contractor) together give the contract its project-specific values, from fee percentages to completion dates. Italicised terms in the contract are the bridge, pointing you to the specific entries in contract data for each project.

Every Entry Must Be Completed (No Null Values)

Leaving contract data entries blank creates real problems. If a contractor forgets to enter a fee percentage, does that mean they are working for free? If there are no delay damages listed, does that mean there are none? Fill in every entry, delete only what is genuinely not relevant, and always start from a clean template rather than recycling a previous one.

Contract Data Part One Reveals the Client's Strategy

The very first entry in contract data part one tells contractors the main option (A through F) and secondary options chosen. This communicates the client's strategy around risk allocation, budget certainty, and value for money. Contractors should read this as a strategic document, not just an administrative form, and consider requesting a market engagement day before submitting a tender.

NEC Digital Prevents Common Contract Data Mistakes

NEC Digital, demonstrated live by Iain Jeffries, automatically prevents incompatible option selections, compiles only the relevant fields for your chosen options, and includes built-in guidance notes. The platform enables secure client-contractor collaboration where bidders can view contract data part one and complete part two without the client seeing draft submissions until formally published.

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