Microtunneling or microtunnelling is a tunnel construction technique used to construct utility tunnels from approximately 0.35–4 m (1 ft 2 in – 13 ft 1 in) in diameter.

Oct 28, 2024 · The microtunneling method is an advanced trenchless construction technique used to install pipelines, conduits, and other underground utilities with minimal surface disruption.

Dec 5, 2025 · What is Microtunneling? Microtunneling is a construction method that uses a small, remote-controlled Microtunnel Boring Machine (MTBM) to install pipes underground without digging …

Oct 19, 2021 · Microtunneling is a trenchless construction technique. It’s used for constructing small-diameter utility tunnels, which can be 20 to 160 inches in diameter. To construct these tunnels, you …

Microtunneling systems are remotely-controlled and comprise several pieces of machinery or subsystems that function together. They are managed by an operator who monitors and controls …

Nov 8, 2025 · Unlike traditional cut-and-cover excavation, which involves digging an open trench, microtunneling is a trenchless technique that operates entirely underground.

Microtunneling is effective for construction under roadways, waterways, areas with high groundwater tables, and other challenging situations. Because microtunneling is a closed-face system, it can be …

Sep 27, 2023 · What is Microtunneling? Microtunneling is a trenchless technique that involves the installation of pipes using a microtunneling machine. The process begins with the excavation of a …

Our experienced crews provide microtunneling services to clients across North America. We cover all scopes of trenchless work, including shaft construction, and can advise on the best commercial and …

Sep 21, 2025 · You pick microtunneling when you must hold line and grade within millimeters, document face pressure, and maintain full ground support. With sealed slurry circuits and segmental jacking, …