nec4engine
← Back to Home

NEC4 Blog

Practical guides, insights, and lessons from working with NEC4 contracts — written by a practising professional for engineers, QSs, and contract managers.

2026-07-13·8 min

NEC4 Risk Register and Early Warning: A Practical Walkthrough

The Risk Register (clause 15) and Early Warning (clause 16) are not optional paperwork—they are your primary tools for controlling cost and programme

Risk Management
2026-07-11·9 min

NEC4 Defined Cost: What Counts and What Doesn't Under the Schedule of Cost Components

Defined Cost under NEC4 is not simply "what you spent" — it's strictly what the contract says you can recover, calculated using either the Schedule of

Cost Management
2026-07-09·9 min

NEC4 Dispute Resolution: Adjudication, Tribunal, and How to Avoid Both

NEC4’s dispute resolution hierarchy is adjudication first, then tribunal (litigation or arbitration) – but both cost time, money, and relationships.

Dispute Resolution
2026-07-07·9 min

The NEC4 Project Manager: Powers, Duties, and Common Pitfalls

The NEC4 Project Manager holds significant unilateral powers under the contract, including the ability to change the Scope, assess compensation events

Contract Admin
2026-06-29·8 min

NEC4 Option A vs Option C: Which Pricing Mechanism Fits Your Project?

**Option A (Priced Contract with Activity Schedule)** is best for well-defined, low-risk projects where scope is fixed and the Employer wants cost cer

Contract Strategy
2026-06-27·9 min

NEC4 Programme Management: Why the Accepted Programme Is Your Most Important Document

The Accepted Programme is the single source of truth for time, payment, and risk allocation under NEC4 ECC.

Programme
2026-06-21·9 min

NEC4 Early Warning vs Compensation Event: Know the Difference or Lose Money

Early Warnings are about notifying potential issues *before* they happen; Compensation Events are about notifying actual cost/time impacts *after* the

Early Warning
2026-06-19·9 min

NEC4 Clause 63: How Compensation Events Are Assessed — Defined Cost, Fee, and Forecast

NEC4 Clause 63 sets out how compensation events are valued using **Defined Cost**, **Fee**, and **forecast** — not actual costs.

Compensation Events
2026-06-14·8 min

What is an NEC4 Compensation Event? A Practical Guide

Everything you need to know about NEC4 compensation events — from Clause 60.1 triggers to notification deadlines, assessment, and common pitfalls that cost contractors thousands.

Compensation EventsClause 60.1Beginner
2026-06-16·10 min

The NEC4 8-Week Time Bar: Why Clause 61.3 is the Most Expensive Trap in Construction

The Clause 61.3 time bar is absolute — no exceptions, no discretion. Learn how the 8-week notification deadline works, when the clock starts, and how to protect your entitlement.

Time BarClause 61.3Risk Management
2026-06-18·12 min

NEC4 vs Traditional Construction Contracts: Key Differences Explained

How does NEC4 differ from JCT, FIDIC, and other traditional contract forms? A side-by-side comparison of compensation events, programme management, risk allocation, and dispute resolution.

NEC4 BasicsContract Comparison

More NEC4 guides coming soon. Have a topic you'd like covered? Let us know.