IS 15686 : 2006 Recommendations for Preparation of Geological and Geotechnical Maps for River Valley Projects
[Superseding IS 6065 (Part 1) : 1985]
Reaffirmed 2020
1 Scope
This standard gives the guidelines for preparation of formatand method of presentation of geological and geotechnical maps and their scales for river valley projects required forvarious stages of investigation, namely, reconnaissance or pre-feasibility, preliminary investigation or feasibility,detailed investigation or detailed project report (DPR) and construction.
2 References
The following standards contain provisions, which through reference in this text, constitute provisions ofthis standard. At the time of publication, the editions indicated werevalid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recenteditions of the standards indicated below:
| IS.No. | Title |
IS 7422 : Part 5 :
1992 | Symbols and abbreviations for use in
geological maps, sections and
subsurface exploratory logs: Part 5 Line
symbols for formation contacts and
structural features |
| IS 10711 : 2001 | Technical product documentation -
Sizes and layout of drawing sheets (first
revision) |
| IS 15662 : 2006 | Geological exploration for gravity dams
and overflow structures - Code of
practice |