Revised Standard from Last Update.

1. SCOPE

1.1 This standard deals with subsurface investigation required for planning and design of foundations for building(s), structures including industrial structures and infrastructure projects excluding river valley projects, to determine:

a) A brief geological description of the site, with history of seismicity of the area, presence of surface drainage, etc.

b) Sequence and extent of various soil layers and rock strata in the region which is likely to be influenced due to the proposed construction.

c) Nature of each stratum, their physical, chemical and engineering properties.

d) Suitability of the stratum to support the foundation or its use as construction material.

e) Location of ground water table, its variation across the site, seasonal fluctuations and chemical composition.

f) Requirement of any ground improvement/ treatment of existing soil with respect to proposed construction.

g) Substrata response to dynamic loading as well as environmental changes, if any.

h) Suitability of earth as fill material.

j) Seepage, and requirement of dewatering, vertical support for deep excavation, etc.

k) Foundation system, either shallow foundation or deep foundation.

1.2 The standards listed below which have been formulated to cover special aspects of investigation for specific works shall also be referred for investigation for such works:

IS 4464, IS 4651 (Part 1), IS 6926, IS 6955, IS 7720, IS 10042, IS 10060, IS 11385, IS 13216, IS 13578, IS 14330, IS 14592 (Part 1), IS 15662, IS 15681, IS 15736.

2. REFERENCES

The Indian Standards listed in Annex A contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication the editions indicated are valid. All standards are subject to revision and parties to agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated in Annex A.