tunnelling-journal (1)
tunnelling-journal (1)
  • Home
  • Print
    • Subscribe
    • Tunnelling Journal
    • Breakthrough
    • ITA Activity Report
    • A&NZ Journal
    • WTC Preview
    • Media Kit
  • Digital
    • Newsletter
    • E-Shots
    • TJ Digital edition
    • Products Page
    • Media Kit
  • Conferences
    • BTS Conference and Exhibition
    • Cutting Edge 2022
  • Buyer’s Guide
  • Events Diary
  • Jobs
  • About Us
  • Contact Us
  • Podcast

Home > TBMs to speed up two-horse race

TBMs to speed up two-horse race

Tris Thomas

Written by Tris Thomas on 01/04/2010 in News

Tagged:

In a hydrostatic head to head construction race against India to claim the water potential of the River Neelum, Pakistan will now use TBMs instead of drill and blast to complete the majority of the remaining 55km of tunnel –  two years ahead of schedule – on the Neelum-Jhelum Hydroelectric Project in Azad Jammu and Kashmir, official sources have said.

“It is vital for Pakistan to complete the 969MW Neelum-Jhelum Hydroelectric Project before India completes a similar project on the same river, so that Pakistan can claim its right to water use,” sources in Pakistan’s Water and Power Development Authority said.

India is currently building the 348MW Kishanganga Hydroelectric Project on the same river, and its completion before the Neelum-Jhelum project would give India the right to use the water for electricity generation. But WAPDA officials have said that the hydroelectric potential of their Neelum Jhelum Hydro Project would be dramatically reduced by the Kishanganaga project.

Project completion for the Neelum-Jhelum Hydroelectric Project was originally planned for 2016 but the TBM use could see completion in 2014.

TBMs have not just been chosen to speed up delivery of this period. Sources say, successful TBM implementation on this project will pave the way for using the method on upcoming hydropower projects, including the 1100MW Kohala and 7100MW Bunji hydropower projects.
Allegedly, TBM acquisition is in its final stage after a technical delegation led by WAPDA Member (Water) Syed Raghib Abbas Shah, visited manufacturing facilities and projects in Germany and Switzerland.

On commissioning, NJHEP will generate 5.15bn units of electricity per year, while financial returns from the US$2.6bn project have been estimated at US$600M per annum.

Comments:

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

  1. nickbarton says:
    14/04/2010 at 9:34 pm

    Very long TBM tunnels may not be faster, in the end, than two-faces D+B, because there is a steady decline in m/hr as weeks are succeeded by months and then by years of construction. This is despite improved PR and AR during the 'learning curve' period. Choosing a TBM because the tunnel is very long is a way to increase risk of needing drill-and-blast from the other end to complete 'on time'. However with two TBM, the race might be won!

    Reply

Search

Digital Edition

More Like This

02/12/2022

Acciona awarded Stage 2 Western Harbour Tunnel contract

Acciona awarded Stage 2 Western Harbour Tunnel contract

Sydney’s historic third harbour crossing has reached another major milestone with the $4.24bn contract to deliver stage two of the…

15/09/2022

Auckland City Rail Link completes tunnelling

Auckland City Rail Link completes tunnelling

Auckland’s 1.6km twin-bore City Rail Link is a stage closer to completion following the 7.15m diameter Herrenknecht EPBM Dame Whina…

08/11/2022

Shortlist for Sydney Airport Metro announced

Shortlist for Sydney Airport Metro announced

Three organisations have been shortlisted to deliver key construction work on the Sydney Metro – Western Sydney Airport project. The…

  • Contact Us
  • Media Kit
  • Magazine Archive

Newsletter

The latest from the Tunneling Journal direct to your inbox.

Social



Enquiries

TGS Media Ltd
The Old Library
Webster House
Dudley Road
Tunbridge Wells
TN1 1LE
United Kingdom

© Tunnelling Journal. All Rights Reserved. Privacy Policy / Terms & Conditions. Admin

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.OkRead more