For a typical house extension, the trial pit needs to tell you what is actually supporting the proposed foundation, not just what is sitting near the surface. As a practical starting point, take the pit at least 1m below the…
CAT Scan vs Trial Hole: Do You Need Both? CAT scanning and trial holes are both used to find buried services before digging, but they work in completely different ways — and in many cases, you need both, not one…
Trial Pit vs Borehole: What’s the Difference? Trial pits and boreholes are both used to investigate ground conditions before construction, but they work very differently and are suited to different situations. What a Trial Pit Is A trial pit (also…
How Much Does a Trial Trench Survey Cost in the UK? Trial trench survey costs vary significantly depending on the site, but understanding what drives the price helps you budget accurately and avoid surprises once work starts. What Affects the…
When Do You Need a Trial Trench Survey? If you’re planning groundworks, a build, or any excavation near existing infrastructure, a trial trench survey tells you what’s actually in the ground before you start digging for real. What a Trial…
Free UK Kerb Calculator — Concrete Haunching and Bedding Quantities We have built a free UK kerb calculator for civil engineers, highway contractors and groundworks professionals. It calculates kerb quantities, concrete bedding and haunching volumes for straight kerbs, radius kerbs…
What is a Trial Hole in Construction? A trial hole — also known as a trial trench or exploratory excavation — is a small excavation carried out before construction work begins to investigate what is beneath the ground. Trial holes…
Trench Survey Automation Software | Trial Trench Surveys A trial trench survey report is one of the most important documents produced during a utility investigation. It records the exact position, depth and condition of underground services exposed during excavation —…
How Deep Are Underground Utilities in the UK? One of the most common questions on any civil engineering or utility survey job is — how deep should this service be? Understanding typical utility depths is essential for safe excavation, accurate…