Scottish Government

Flint & Neill Partnership Consulting Engineers
ISBN 0 7559 1331 0 (Web only publication)

This document is also available in pdf format (545k)

Contents

1 Introduction
2 Background
3 Audit Methodology
4 Project Tasks
5 Audit Task 'a'. Load model for main cables

6 Audit Task 'b'. Strength Model of main cable
6.1 The scope of the internal investigation
6.2 The methodology of the site investigations
6.3 The findings and recording of the internal investigation
6.4 The findings and reporting of the associated testing
6.5 The calculation of cable strength from the inspection and testing

7 Audit Task 'c'. Estimation of a deterioration model
8 Audit Task 'd'. Establishment of acceptable reliability levels for the structure
9 Other aspects considered during the audit period.
10 Applicability of NCHRP Guidelines to Forth Bridge
11 Summary of Findings
12 Recommendations for Further Work
13 Conclusion

Appendix A - Audit Trail Document
Appendix B - Register of Audit Documents
Appendix C - Commentary on Notional Factors of Safety
Appendix D - Response on Draft Report by Weidlinger/Faber Maunsell