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Irrigation Tunnels

Bhima-Sina Link Canal Tunnel

Schematic Drawing of Bhima-Sina Link Canal Tunnel
   
Salient Features
Length                                      :20250m
Tunnel Size                               :7.8mx7.3m
Area                                         :50.4 sqm
Shape                                       :'D'
Shaft Size                                 :11.9 x 6.4m
Total Underground Excavation     :1.05 million cum

Average Shaft Depth                  :55m
Financial Outlay                      :Rs.1780 million
Bhima -Sena Link Canal Tunnel

A view of shaft from tunnel invert
   

Manual Drilling Work In Progress

Lifting 6cum Muck Bucket Through Shaft
   
NEW RECORDS-1999
1)330m through one Shaft in One Month.
2)1183 per Month on Single Tunnel.
3)10548 m in One Year on Single Tunnel.
4)214.1 m per face in One month through shaft.
5)8,48,000cum of Underground Excavation through shaft on single Tunnel.

A view of EOT cranes (13MTx2) on the ground above shaft
   
Maharashtra Krishna Valley Development Scheme

A view of Entrance Portal,Jath
Total Tunnel Length    8000m
Shape                      "D"
Area                          42 sqm
Tunnel Excavation      336000 cum
Nature of Rock          Basalt
Financial Outlay        Rs.450million
   
Constructuction in Progress Jihe-Kathapur L.I. Scheme
Tunnel No.1           4000m
Tunnel No.2          13200m
Shape                  "D"
Area                     27 sqm
Excavation Qty      4,85,000 cum
Nature of Rock      Basalt
Financial Outlay    Rs.780million
 
   
Ghataprabha Valley Development Scheme

A view of Kabbur Tunnel
Total Tunnel Length    3315m
Shape                      "D" of 3.3mf
Area                          14 sqm
Tunnel Excavation      38729 cum
Concerting                 24239cum
Nature of Rock           Basalt
Financial Outlay
(1992-93 S.R)       Rs.99.3million
   

A view of Kadabagatti Tunnel
Total Tunnel Length    2230m
Shape                      "Horse Shoe" of 3.3m
Area                          28 sqm
Tunnel Excavation       43403 cum
Concerting                  24398cum
Nature of Rock            Basalt
Financial Outlay
(1990-91 S.R)              Rs.82.3million