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 · What is the Microtunneling Method? The microtunneling method is an advanced trenchless construction technique used to install pipelines, conduits, and other underground …

Oct 20, 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 …

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 …

ADS AND TOLERANCES 20 22 The pipe jacking technique Pipe jacking/microtunnelling* is a non-disruptive method of installing utility tunnels and conduits by thrusting pipes through the …

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 …

Aug 21, 2025 · When access is limited and tolerances are tight, microtunneling delivers trenchless installs with millimeter-grade control for gravity sewers, pressure mains, and utility crossings …

Apr 26, 2025 · Microtunneling is a trenchless construction method used to install pipelines with minimal surface disruption. It is ideal for environments where traditional excavation would be …

Microtunneling is defined as a trenchless con-struction method for installing pipelines. The North American definition of microtunneling describes a method and does not impose size limitations …

Microtunnelling is an efficient trenchless technique for the construction of small diameter tunnels. The method is especially useful for laying pipelines beneath highways, railroads, and other …