Chennani Nashri Highway Tunnel (J&K)

KUD Jammu & Kashmir Highway Tunnel


DBFOT Project for Rehabilitation Strengthening and four Lanning of Chennani Nashri section of NH-1A from km 89.00 to 130.0 including Construction of 9 Km long Road tunnel ( 2 lane) with parallel escape tunnel using NATM in the state of Jammu & Kashmir .


IL&FS Transportation Network Limited.


National Highway Authority of India.

Concession Period
  • EPC Cost Rs 2700 Cr
  • Concession period 20 years
  • Annuity project.

Project Description
  • Longest road tunnel In India.
  • 2 Mill cum of underground excavation
  • 9.0 km long main tunnel ( Excavated Cross section: 140 sqm)
  • 9.0 km long escape tunnel (Cross section: 80 sqm)
  • 27 cross passages
Construction method
  • NATM used for tunnelling operations from two ends of each tunnel and cross passages,
  • Use of most modern Tunnelling equipment,
  • Poly fibre and steel fibre application ,
  • Mixed Conditions with shale clay stone etc.
  • Existence of fault zones
  • Squeezing conditions in middle where max overburden reached m
  • 9.0 km long escape tunnel (Cross section: 80 sqm)
  • 27 cross passages
Services by Indus Consultrans.
  • Advisory on all aspects of NATM
  • Construction methodology & Scheduling.
  • Value Engineering
  • Review E & M design.
  • contractual issues

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