Micro- Tunneling
A . General 1.1 Micro - a tunnel construction method of underground pipes that are not related to the trenching of the soil surface . It involves the excavation using a TBM guided by drilling the computer ( TBM ) and installation of straw tubes controlled remotely . 1.2 Micro Works - tunnel will be undertaken by a specialist subcontractor must be approved by the engineer, who can demonstrate successful experience of similar work in the Gulf region .
