Delay and Disruption Claims — Understanding the Difference and Why It Matters
For Commercial Managers, Project Directors, and Contract Administrators on Australian and New Zealand construction and infrastructure projects. Executive Summary Delay and disruption are not the same thing. Yet on most construction projects, they are treated as interchangeable — and that confusion costs contractors money. A delay claim recovers time and time-related costs. A disruption claim […]
Verbal Instructions on Construction Projects — When a Site Direction Becomes a Variation
Practical guidance for contractors on protecting variation entitlement when work is directed verbally on Australian and New Zealand construction projects. Executive Summary Verbal site directions are a daily reality on construction projects. A superintendent walks the site, points at a problem, and says “fix it.” The crew mobilises. The work gets done. No written instruction […]
Evidence Management — Building a Defensible Position Before a Dispute Arises
How contractors should structure records, evidence registers, and correspondence to protect commercial position on Australian and New Zealand construction projects. Executive Summary Most construction disputes are not won or lost on entitlement. They are won or lost on evidence. A contractor with a legitimate claim and poor records will frequently recover less — sometimes far […]
Why Contractors Lose Variation Entitlement — and How to Protect It
Executive Summary Most losses are preventable, but only if the notice and records discipline is built into delivery, not left to close-out. Missed notice periods, incomplete records, late submissions, and a failure to understand the contractual mechanism are the most common culprits. The financial consequences are direct: unrecovered variations erode project margin and can convert […]
Why Most Variation Claims Fail and How Contractors Can Protect Their Margin
Practical field guidance for contractors on Australian and New Zealand infrastructure projects. EXECUTIVE SUMMARY Variation entitlement is one of the highest-value commercial rights a contractor holds on any project. Yet contractors routinely walk away from legitimate claims — not because the work was not done or the entitlement did not exist, but because the process […]
Delay Notices: The Cost of Late Notification Under
AS 2124 and AS 4000 A contractual and commercial analysis of delay notice obligations, time-bars, and the consequences of late notification on Australian infrastructure projects. EXECUTIVE SUMMARY Delay notification obligations under AS 2124 and AS 4000 are among the most litigated provisions in Australian construction contracts. Contractors who miss notice windows — even by days — […]
Cumulative Impact Claims: Key Considerations
What is a Cumulative Impact Claim? A cumulative impact claim addresses the “ripple effect” of multiple variations on a construction project. While the direct impact of individual variations is often straightforward to assess and quantify, the combined effect can significantly reduce productivity on unchanged work through a synergistic effect that goes beyond each variation’s direct […]
Collapsed As-Built Analysis: Step-by-Step Practical Guidance
The Collapsed As-Built (CAB) analysis is a retrospective “cause and effect” methodology used to determine how delay events impacted project completion. Unlike other methodologies that build delays into a programme, CAB starts with the actual as-built schedule and progressively removes delay events to determine their impact. If no as-built programme exists, reconstruct it using available […]
Retrospective Longest Path Analysis: Step-by-Step Practical Guidance
Delay analysis is essential for identifying the extent and causes of project delays. Among the various methodologies endorsed by industry guidance such as the AACEI and SCL Protocol, the Retrospective Longest Path analysis has gained popularity as an “effect and cause” type analysis that is considered forensically reliable. Definition The Retrospective Longest Path analysis identifies […]