IS 3629 : 1986 Specification for structural timber in building

1 Scope

1.1 This standard covers the various requirements of structuraltimber for use in buildings. It includes classification andgrouping of different species of timber, their suitability forpermanent and temporary structures, factors affecting strength,tolerances on dimensions, influence of defects and allowance forsuch defects in timber.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 399 :1963Classification of commercial timbers and theirzonal distribution

IS 401 :1982Code of practice for preservation of timber

IS 707 :1976Glossary of terms applicable to timbertechnology and utilization

IS 883 :1970Code of practice for design of structural timberin building

IS 1141 :1973Code of practice for seasoning of timber

IS 1331 :1971Specification for cut sizes of timber

IS 1708:1969Methods of testing small clear specimens oftimber

IS 3634 : Part 2 : 1976 Methods of measurements andevaluation ofdefects in timber: Part 2 Converted timber