Tunnel Under Existing Concrete Slab

What happens here

This crucial and challenging step involves carefully excavating a tunnel underneath any existing concrete slab or pathway without breaking the concrete. The worker is shown reaching under the slab from both sides, meticulously removing soil to create a clear passage for the drainage pipe. This often requires working in a prone or kneeling position to access the tight space.

Goal: Create a passage for the drainage pipe beneath the concrete without demolition.