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The NZ Building Economist
Sep 15, 2023
Head Contractor WDR excludes Subcontractor Time-related Costs
It is time to dispel the myth some Principal representatives have asserted, in recent times, that the Head Contractor Working Day Rate...
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The NZ Building Economist
Oct 5, 2022
One Notice Will Do, for “Extension of Time Variations” NZS3910
Have you been awarded an extension of time for a variation but denied the money for the variation and its time related costs for lack of...
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The NZ Building Economist
Aug 28, 2022
The Universal Overhead and Profit Recovery Formula (For Head & Sub Contractors Equitable Recovery)
NZS3910:2013 does not prescribe how to calculate a Working Day Rate but it does guide you to include 'Time related costs', and as you...
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The NZ Building Economist
Apr 10, 2022
Getting to the Entitlement Point, is what really Matters
Qualifying circumstances must always be treated as a variation. It is a choice to argue badly as a tactic to distract, confuse, delay,...
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The NZ Building Economist
Dec 12, 2021
The Engineer and Natural Justice
What is natural justice? The words “natural justice” have specific meaning in the law. Natural justice comprises two rules, the rule...
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The NZ Building Economist
Nov 28, 2021
The Principles of Valuation NZS3910:2013
Here we explore [1] Valuing Variation, [2] Valuing Other Matters, and [3] the Principles of Valuation, to be applied to everything being...
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The NZ Building Economist
Nov 14, 2021
Show me your contract
To ensure fair resolution of claims emanating from subcontractors, the Head Contractor must be transparent with the Principal about...
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The NZ Building Economist
Jul 22, 2021
NZS3910:2013 The Search for Variations - a quick reference guide
We have prepared an Excel formatted table of NZS3910:2013 references to variation clauses. Each is identified with the required Notice...
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The NZ Building Economist
Apr 21, 2021
Offsite Overhead Recovery Mission
Late one October 2020 evening, while discussing work war stories (dispute resolution) at a bar, a senior construction executive / QS...
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The NZ Building Economist
Mar 12, 2021
Detailed Design Disruption Claims
Dissatisfied with No, No, No… ? ? ? When you can’t get a variation order because; [1] the matter can be objectively “interpreted as a...
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The NZ Building Economist
May 9, 2020
Time to break out a “Time related overheads” claim, NZS3910 Style.
The nature of a Covid-19 Shutdown causes extreme under recovery of Off-site Overheads using the standard Working Day Rate or % methods.
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The NZ Building Economist
May 2, 2020
"Let the Profit Margin be" - The Principles of Valuation
The Contractors financial and overhead expenses include any number of risks that frequently arise including the financial impact of Covid-19
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![Your Construction Contract [NZS3910] & the Covid-19 Shutdown](https://static.wixstatic.com/media/d53af1_a62423ec13d34c7f8b99eeaff87561e2~mv2.jpg/v1/fill/w_1022,h_768,fp_0.50_0.50,q_90,enc_auto/d53af1_a62423ec13d34c7f8b99eeaff87561e2~mv2.jpg)
The NZ Building Economist
Apr 4, 2020
Your Construction Contract [NZS3910] & the Covid-19 Shutdown
When it comes to Covid-19 the contract empowers the Engineer with the responsibility and power to suspend the contract works.
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