IS 10386 : PART 11 : 2012 : Safety Code for Construction, Operation and Maintenance of River Valley Projects: Part 11 Underground Excavation

Reaffirmed 2022

1 SCOPE

This standard (Part 11) lays down requirements for the safety aspects to be taken during underground excavation for structures like underground power house, transformer cavern, tunnels, shafts such as surge shaft, pressure shaft and cable shaft, additionally driven intermediate tunnels (ADITs) and such other structures associated with river valley projects. Safety measures that should be followed during their operation and maintenance are also described.