BS 5930:1981

Foreword
Code drafting committee CSB/1
Code of practice
Section one. General
1. Scope
2. References
Section two. General considerations
3. Primary objects of site investigation
4. General procedure
5. Earlier uses and state of site
6. Aerial photographs
Section three. Ground investigations
7. Introduction
8. Types of ground investigation
9. Geological mapping for ground investigation
10. Extent of the ground investiation
11. General considerations in the selection of methods
     of ground investigation
12. The effect of ground conditions on the selection of
     methods of ground investigations
13. Aggressive ground and ground water
14. Ground investigations over water
15. Personnel for ground investigation
16. Review during construction
Section four. Excavation, boring, sampling, probing and
tests in boreholes
17. Introduction
18. Excavations and boreholes
19. Sampling and ground
20. Ground water
21. Tests in boreholes
22. Frequency of sampling and testing in boreholes
23. Probing and penetration testing
Section five. Field tests
24. Introduction
25. Pumping tests
26. Analysis of pumping tests
27. Field density
28. In situ stress measurements
29. Bearing tests
30. In situ shear tests
31. Large-scale field trials
32. Back analysis
33. Geophysical surveying
Section six. Laboratory tests on samples
34. General principles
35. Sample storage and inspection facilities
36. Visual examination
37. Tests on soil
38. Tests on rock
Section seven. Reports and interpretation
39. Field reports
40. Report
Section eight. Description of soils and rocks
41. Description of soils
42. Classification of soils
43. Laboratory and rapid procedure for naming and
     classifying soils
44. Description and classification of rocks for
     engineering purposes
45. Legend for engineering geological maps and plans
Appendices
A. General information required for desk study
B. Sources of information
C. Notes of site reconnaissance
D. Detailed information required for design and
    construction
E. Site investigations in areas of mining, quarrying
    and waste disposal
F. Safety precautions
G. The nature and occurrence of soils and rocks
H. Bibliography
Tables
1. Mass of soil sample required for various laboratory
    tests
2. Values of W(u) for values of u
3. Geophysical methods in ground investigation
4. Schedule of laboratory tests on soil
5. Schedule of laboratory tests on rock
6. Field identification and description of soils
7. Names and descriptive letters for grading and
    plasticity characteristics
8. British Soil Classification System for Engineering
    Purposes
9. Aid to identification of rocks for engineering
    purposes
10. Scale of weathering grades of rock mass
11. Recommended symbols for soils and rocks
12. Special symbols for borehole record
13. Symbols for general planar structures
14. Symbols for geological structures and boundaries
Figures
1. Basic details of open-tube sampler
2. A typical thin-walled sampler
3. Basic details of piston sampler
4. 66 mm Delft continuous sampler
5. Typical sample label
6. Typical piezometers
7. Values of intake factors, F, in borehole
    permeability
8. Relationship between dimensionless intake factor,
    F/D, and length/diameter ratio of piezometer, L/D
9. Falling or rising head test. Example of computation
    of basic time lag
10. Constant head test analysis by Gibson's method
11. Dutch cone penetrometer and accessories
12. Electrical cone penetrometers
13. Calculation of permeability from pumping tests
14. typical drawdown-time pumping responses
15. Theis method of superposition for solution of the
    nonequilibrium equation
16. Cooper-Jacob straight-line analysis
17. Measurement of in situ stress
18. Types of bearing test equipment
19. Equipment layout for shear and sliding friction test
    on rock or soil samples
20. Typical daily report form of cable percussion boring
21. Typical daily report form of rotary drilling
22. Typical report forms for vane test
23. Typical report form for variable head permeability
    test
24. Typical report form for constant head permeability
    test
25. Typical report forms for packer or Lugeon test
26. Typical report form for Dutch cone penetrometer test
27. Typical logs of data from a light cable percussion
    borehole
28. Typical logs of data from rotary drillholes
29. Typical example of explanation of symbols and
    abbreviations to accompany borehole log
30. Typical condensed log
31. Plasticity chart for the classification of fine
    soils and the finer part of coarse soils
32. Grading chart for soils with grading curves of
    selected soil types
33. Diagrammatic representation of a simplified
    weathered profile in massive rock

Covers investigation of sites when assessing their suitability for the construction of civil engineering and building works and acquiring knowledge of the characteristics of a site that affect the design and construction of such work and the security of neighbouring land and property.