IS 4880 : Part 1 : 1987 Code of practice for design of tunnels conveying water: Part 1 General design

1 Scope

1.1 This standard (Part 1) covers the general requirements, likevarious types of investigations, tests and instrumentation oftunnel generally required for planning and designing of pressuretunnel section and supports.

2 References

IS 5878 : Part 1 :1971 Code of practice for construction oftunnels:Part 1 Precision survey and setting out

IS 11315 : Part 11:1985 Method for the quantitative descriptionsof discontinuities in rock masses: Part 11 Core recovery and rock quality