1
IS 5878 : Part 2 : Sec 3 : 1971
(Reaffirmed Year :
2020
)
Code of Practice for Construction of Tunnels Conveying Water - Part II : Underground Excavation in Rock - Section 3 : Tunneling Method for Steeply Inclined Tunnels, Shafts and Underground Power Houses
Technical Committee :
WRD 14