IS 5878 : Part 2 : Sec 3 : 1971 Title: 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 Format: Print Pages: 11 Year: 1971 Publisher: Bureau of Indian Standards Availability: Out of Stock