Tunnelling definition
Tunnelling means the construction of any tunnel beneath the natural surface of the earth for a purpose other than the searching for or winning of a mineral
Tunnelling means augering, boring, directional drilling, pushing or coring beneath the ground surface.
Tunnelling means the trenchless construction method used to install pipelines using an Open Face Rotary Tunnel Boring Machine and Pipe Jacking;
Examples of Tunnelling in a sentence
Name Position ▇▇▇▇ ▇▇▇▇▇▇▇▇ AWU NSW BRANCH SECRETARY On 30/06/2025 In the presence of: ▇▇▇▇ ▇▇▇▇▇▇▇ The Tunnel Worker (“TW”) classification will apply to Employee(s) performing Tunnelling Works or other activities underground who are engaged in the classifications set out below.
More Definitions of Tunnelling
Tunnelling means the trenchless construction method used to install pipelines. For the interceptor sewer Work upstream of MH-03, Tunnelling refers to the use of Microtunelling with pipe jacking. For the stub downstream of MH3, tunnelling refers to the trenchless method(s) to be utilized by the Contractor to install the stub pipe in accordance with the Drawings and Specifications herein.
Tunnelling means the trenchless construction method used to install pipelines using either an open face rotary tunnel boring machine, an earth pressure balance tunnel boring machine, or a slurry microtunnel boring machine;