IS 4424 : 1967 Specification for Timber for Use in Coal Mines

1 scope

1.1 This standard covers the requirements of timber with regardto species, sizes and their treatment when used in coal mines.

2 References

IS 2 : 1960 Rules for rounding off numerical values

IS 401 : 1967Code of practice for preservation of timber

IS 707 : 1958Glossary of terms applicable to timber, plywood andjoinery

IS 883 : 1966Code of practice for design of structural timber inbuilding

IS 1150 : 1966 Tradenames and abbreviated symbols for timber species