Launching work on Delhi Metro’s Janakpuri West-RK Ashram Marg corridor started with state-of-the-art launcher

For the very first time, such a expertise is getting used within the nation.

Delhi Metro has began the launching work on the Janakpuri West – RK Ashram Marg hall with a state-of-the-art launcher connected with a Transporter for the launch of U-girders on its elevated part. For the very first time, such a expertise is getting used within the nation. Based on DMRC, the brand new launcher with Transporter is absolutely electrical with a a lot larger output in comparison with the standard launchers or cranes. The U-girder is carried by the Transporter from one designated level and is moved ahead on rails laid on the already erected U-girders so as to add extra U-girders farther from the feeding level to the launcher. The U-girders, in consequence, are to be transported on trailer solely as much as the feeding level recognized at an appropriate location and never for the work’s total size. This ends in a lot much less house requirement, the DMRC said.

This new specifically designed Launcher is 62 metres lengthy and has a complete weight of 230T. Based on Delhi Metro, it might negotiate gradients as much as 4 per cent and 200 metre radius curves. The Transporter is 41.75 metre lengthy and has a complete weight of 35T. The Transporter can journey with a velocity of three km per hour at no load and a pair of km per hour at full load.

In comparison with the standard technique of the launching U-girders, the output of this new innovation is sort of excessive. On common, this Launcher can erect 4 to 6 U-girders per day whereas with the standard technique, round two U-girders could be completed in congested working environments like in Delhi-NCR. As U-girders’ erection work with standard cranes requires blocking of roads to place the cranes, it may be completed solely in the course of the evening. However within the case of this new Launcher with Transporter, the transportation of U-girders are completed with the Transporter on the erected viaduct with none interface with highway from a single recognized feeding level.

Based on DMRC, the whole load of U-girders which might be to be erected is as excessive as 160 ton and a complete of 462 such U-girders are to be erected within the contract. This state-of-the-art launcher has been made operational for a 9.5 km lengthy viaduct’s building from Mukarba Chowk to Ashok Vihar masking 4 mero stations specifically Majlis Park, Bhalswa, Ashok Vihar and Azadpur and a connection to depot from Majlis Park, the company added.