IS 6926 : 1996 Diamond Core Drilling - Site Investigation for River Valley Projects - Code of Practice

1 Scope

This code covers the procedure for diamond core drilling designed for securing samples of rock and soils which are too hardto sample by soil sampling methods. This code is primarily meantfor obtaining data for foundation design and treatment.

2 References

IS 2131 :1981Method of standard penetration test for soil

IS 2132 :1986Code of practice for thin walled tube sampling of soils

IS 4078 :1980Code of practice for indexing and storage of drill cores

IS 4464 :1985Code of practice for presentation of drilling information and core description in foundation investigation

IS 5313 :1980Guide for core drilling observations

IS 7422 : Part 1 :1974 Symbols and abbreviations for use ingeologicalmaps, sections and subsurface exploratory logs :Part 1 Abbreviation

IS 10208 :1982Diamond core drilling equipment