machine and support equipment will install pipes of different sizes (from 400DN to 2000DN), at depths from five to 30m from the surface, as part of a two-year contract.
The entire work of laying sewers as deep as 80- ft underground is being done through microtunnelling
, so that there is no traffic disruption and public inconvenience is minimised -- SANJAM CHIMA, Spokesperson, Delhi Jal Board ' Delhi sewer project figures on global list ' The DJB CEO believes the project would contribute greatly to the Swachh Bharat Mission
will continue to be a technique that allows the UAE's urban landscape to evolve in a cost-effective and non-evasive manner, Eng.
Other products from various Rinker locations include manholes and inlets, microtunnelling
(jacking) pipe, and specialty fittings and accessories.
TERRY DAVIS, Project Manager, Oilfield & Microtunnelling
Division, Wirth GmbH-Europe, Newcastle
The relatively small size of the steel casing further eliminated using microtunnelling
. (From discussions with local contractors, it was maintained that a minimum pipe diameter of 24 in.
The Direct Pipe Technology developed by Her-renknecht combines the advantages of microtunnelling
and horizontal drilling technology.
The pipe is pushed into the ground with a microtunnelling
machine in front of it."
In jacking and microtunnelling
applications, the strain can create instability in the pipe posing the risk of buckling, collapsing or catastrophic failure.