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![Advance Notice (Early Warning) Default by the Principal](https://static.wixstatic.com/media/d53af1_c1d2fd1315be4f29873b29d8bde03591~mv2.png/v1/fill/w_454,h_308,fp_0.50_0.50,q_95,enc_auto/d53af1_c1d2fd1315be4f29873b29d8bde03591~mv2.webp)
Advance Notice (Early Warning) Default by the Principal
Since 2013, NZS3910 has made 5.21 Advance Notice or 6.10 Early Warning, popular for judging whether a ‘material’ Variation or Extension...
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![Contractual Interpretation - What the Law Says](https://static.wixstatic.com/media/d53af1_0c9c30cbcd884782be5815427bca1fa3~mv2.jpeg/v1/fill/w_367,h_282,fp_0.50_0.50,q_90,enc_auto/d53af1_0c9c30cbcd884782be5815427bca1fa3~mv2.webp)
The NZ Building Economist
Dec 10, 2023
Contractual Interpretation - What the Law Says
There are two all-important rule books that require our constant, thorough and relentless study of, in the quest to know the truth about...
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![Head Contractor WDR excludes Subcontractor Time-related Costs](https://static.wixstatic.com/media/d53af1_872a612b777e46f7a6865c5275379da9~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_872a612b777e46f7a6865c5275379da9~mv2.webp)
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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!['Project Specific' Overhead Recovery](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
The NZ Building Economist
Mar 3, 2023
'Project Specific' Overhead Recovery
NZS3910 misrepresents Overheads as ON SITE, or OFF SITE... Our definitions are clear, but our terminology is misleading. The NZS3910...
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![Accurate Payment Claims need Timely Payment Schedules](https://static.wixstatic.com/media/d53af1_1d3f1e4976c44ffe8f2c018c7798a4a8~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_1d3f1e4976c44ffe8f2c018c7798a4a8~mv2.webp)
The NZ Building Economist
Jan 25, 2023
Accurate Payment Claims need Timely Payment Schedules
There is nothing in NZS3910, SA2017 or the CCA that requires us to calculate our claims on a “value to date basis”, less a previous value...
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![Conditions of Tendering, the Rules for winning work](https://static.wixstatic.com/media/d53af1_44f77538962c4105ab3c6a31c81a4a56~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_44f77538962c4105ab3c6a31c81a4a56~mv2.webp)
The NZ Building Economist
Nov 1, 2022
Conditions of Tendering, the Rules for winning work
Ultimately, only one party can win a tender. How we go from everyone, to just one? is a very important question. The Australian Code of...
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![One Notice Will Do, for “Extension of Time Variations” NZS3910](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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 Universal Overhead and Profit Recovery Formula (For Head & Sub Contractors Equitable Recovery)](https://static.wixstatic.com/media/d53af1_7b57149047da4a7882b4c84689b567e5~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_7b57149047da4a7882b4c84689b567e5~mv2.webp)
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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![Getting to the Entitlement Point, is what really Matters](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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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![Off Site Materials, Payment Terms and Risks](https://static.wixstatic.com/media/d53af1_1d3f1e4976c44ffe8f2c018c7798a4a8~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_1d3f1e4976c44ffe8f2c018c7798a4a8~mv2.webp)
The NZ Building Economist
Jan 30, 2022
Off Site Materials, Payment Terms and Risks
In these supply shortage, inflationary times, we order everything we can early, to secure the programme and the budget. But price and...
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![The Engineer and Natural Justice](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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 Principles of Valuation NZS3910:2013](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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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![Subcontractor Extension of Time Dis-entitlement, No harm no foul](https://static.wixstatic.com/media/d53af1_9fab978d23684171bb15ba069d4ddd50~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_9fab978d23684171bb15ba069d4ddd50~mv2.webp)
The NZ Building Economist
Nov 21, 2021
Subcontractor Extension of Time Dis-entitlement, No harm no foul
Three infill units, Auckland's North Shore 2021 There was a time when subcontractors were never allowed to be late. It was a time when,...
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![Show me your contract](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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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![NZS3910 Corruption Awards – Identifying what is wrong, and calling it out.](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
The NZ Building Economist
Oct 17, 2021
NZS3910 Corruption Awards – Identifying what is wrong, and calling it out.
Faced with many endemic challenges, our industry leading lights have recently pushed for a correction of some of the many ills linked to...
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![NZS3910:2013 The Search for Variations - a quick reference guide](https://static.wixstatic.com/media/d53af1_7b57149047da4a7882b4c84689b567e5~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_7b57149047da4a7882b4c84689b567e5~mv2.webp)
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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![](https://static.wixstatic.com/media/d53af1_594ccf5198ac45f79cb3357d1d6618dc~mv2.jpg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/d53af1_594ccf5198ac45f79cb3357d1d6618dc~mv2.webp)
![Offsite Overhead Recovery Mission](https://static.wixstatic.com/media/d53af1_594ccf5198ac45f79cb3357d1d6618dc~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_594ccf5198ac45f79cb3357d1d6618dc~mv2.webp)
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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![Detailed Design Disruption Claims](https://static.wixstatic.com/media/d53af1_06bc2da0fcad4b268fa5726df01367c2~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_06bc2da0fcad4b268fa5726df01367c2~mv2.webp)
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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![Time to break out a “Time related overheads” claim, NZS3910 Style.](https://static.wixstatic.com/media/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/d53af1_b07b1ea8e28945e28963a7a7b953e693~mv2.webp)
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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![](https://static.wixstatic.com/media/d53af1_7b4bb7bb49854bee88cfbd011ba0907c~mv2.jpg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/d53af1_7b4bb7bb49854bee88cfbd011ba0907c~mv2.webp)
!["Let the Profit Margin be" - The Principles of Valuation](https://static.wixstatic.com/media/d53af1_7b4bb7bb49854bee88cfbd011ba0907c~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/d53af1_7b4bb7bb49854bee88cfbd011ba0907c~mv2.webp)
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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