UK Specification for Ground Investigation- Second Edition

Contents Acknowledgements vii
Foreword and essential reading ix
Introduction xi
UK SPECIFICATION FOR GROUND INVESTIGATION
Specification and Notes for Guidance 1
1 Information 1
2 Definitions 2
3 General requirements 7
4 Percussion boring 20
5 Rotary drilling 24
6 Pitting and trenching 30
7 Sampling and monitoring during intrusive investigation 35
8 Probing and cone penetration testing 43
9 Geophysical testing 45
10 In situ testing 47
11 Instrumentation 51
12 Installation monitoring and sampling 56
13 Daily records 59
14 Geotechnical laboratory testing 61
15 Geoenvironmental laboratory testing 65
16 Reporting 68
17 References and bibliography 75
Appendix 1. Groundwater standpipes and piezometers 79
Appendix 11. Ground gas monitoring standpipe 83
Schedules (for completion) and Notes for Guidance 85
Schedule 1. Information and site-specific requirements 86
Schedule 2. Exploratory holes 128
Schedule 3. Investigation Supervisor’s facilities 130
Schedule 4. Specification amendments 132
Schedule 5. Specification additions 133
Notes for guidance
Notes on Specification clauses are presented alongside Specification clauses
Notes on preparation of the Schedules are presented alongside or immediately
preceding Schedules
ANNEXES
Annex 1 Bill of Quantities for Ground Investigation
(not part of the Contract unless specified in the Contract documentation) 135
Preamble 135
Preamble amendments and additions (for completion) 142
Bills of Quantities: Works items (for completion) 142
A General items, provisional services and additional items 144
B Percussion boring 146
C Rotary drilling 148
D Pitting and trenching 152
E Sampling and monitoring during intrusive investigation 154
F Probing and cone penetration testing 156
G Geophysical testing 157
H In situ testing 158
I Instrumentation 162
J Installation monitoring and sampling 164
K Geotechnical laboratory testing 166
L Geoenvironmental laboratory testing 170
Summary of Bill of Quantities 171
Appendix A. Rates of ground practitioners and other personnel 172
Appendix B. Long-term sample storage 173
Notes for guidance
Notes on the Bill of Quantities are presented immediately prior to relevant bill
(Notes on the preamble are presented alongside preamble items)
EXAMPLE USES OF THE SCHEDULES AND BILLS OF QUANTITIES
General comments 175
Example A (greenfield site to be developed with a lightweight single-storey building) 176
Example B (contaminated site to be developed for two-storey housing) 209
Example C (contaminated site to be developed for industry with heavy machinery) 259
FEEDBACK
Feedback (user recommendations) 307