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Blog & insights

Notes from the excavation

Writing from our engineers about the part of a project that gets buried — method, evidence and the decisions that are cheapest to make on paper.

Diaphragm wall or secant pile? Choosing retention for a deep basement
Technical Latest · 6 min read

Diaphragm wall or secant pile? Choosing retention for a deep basement

Water table, plot boundary and programme decide this far more often than cost per square metre does. Here is the order we actually work through it in.

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28 June 2026

Quality

What a proper anchor test report should contain

Five records separate a verified anchor from an assumption. If your test report is missing any of them, you have a certificate, not evidence.

Priya Nair · 4 min read →

What a proper anchor test report should contain

09 June 2026

Planning

Planning foundation work around the monsoon in Gujarat

What can continue in the rain, what should not, and how to sequence a programme that survives June without a claim at the end of it.

Amit Wardha · 5 min read →

Planning foundation work around the monsoon in Gujarat

21 May 2026

Technical

Guide walls: the two days that decide the next ten weeks

Skimp on the guide wall and every panel after it argues with you. What good looks like, and what it costs.

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Guide walls: the two days that decide the next ten weeks

30 April 2026

Planning

Reading a borelog before you price a basement

The four lines in a borelog that change a retention scheme, and the one that changes the programme.

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Reading a borelog before you price a basement

12 April 2026

Quality

Settlement markers: who reads them, and how often

Monitoring is worthless without a trigger value agreed in writing before the excavation starts.

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Settlement markers: who reads them, and how often

18 March 2026

Company

Why we own our rigs instead of hiring them

Twenty-one machines is a lot of capital. Here is the arithmetic that keeps them on our balance sheet.

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Why we own our rigs instead of hiring them