DIGGING A SECRET TUNNEL Part 9

A video on YouTube. In Maker & Builds, a Krater category.

Summary by Krater

Colin Furze continues building his secret tunnel, digging a new section, drilling a ventilation hole to the surface, welding floor panels, and installing concrete and expanding foam.

From the video

Answers: How does Colin Furze progress on his underground secret tunnel project?

Tunnel construction
Concrete pouring and vibration
Ventilation pipe installation
Map and planning of underground tunnels
Neighbor reactions to tunnel project

What it concludes

Cracks in the rock appear about every meter to meter and a half as you dig deeper.
Council planning permission was eventually obtained for the tunnel project.

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