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SUMMARY

This document is the Final Summary Report on the Blast and Fire Engineering Project for Topside Structures Phase 2. The project's ultimate objective was to improve the industry's confidence in its safety systems with respect to hydrocarbon explosions and fires. This has been done by generating large scale data on the loading associated with hydrocarbon fires and explosions, and using this data in model evaluation exercises.

This volume contains 3 parts. Part I (Project Overview and Test Summaries) details the project scope, the experimental test programmes, project conclusions and gives test result summaries from all of the Phase 2 tests. Part II (Fire Model Evaluation Exercise) and Part III (Explosion Model Evaluation Exercise) describe the model evaluation procedures and present the results of the model evaluation exercises.

TABLE OF CONTENTS

EXECUTIVE SUMMARY

1. BACKGROUND TO THE PROJECT
   1. Blast and Fire Engineering for Topside Structures - Phase 1
   2. Fire and Blast Information Group (FABIG)
2. SCOPE AND OBJECTIVES OF PHASE 2
   1. Project definition
   2. Objectives of Phase 2
   3. Development of the detailed proposal
   4. Organisation and structure of the project
3. UNCONFINED FIRE TEST PROGRAMME
   1. Description of test programme
   2. Summary of main findings
   3. Experimental data for model evaluation
4. CONFINED FIRE TEST PROGRAMME
   1. Description of test programme
   2. Jet fire programme
   3. Pool fire programme
   4. Experimental data for model evaluation
5. EXPLOSION TEST PROGRAMME
   1. Description of test programme
   2. Summary of main findings and interpretation of results
   3. Effectiveness of deluge
   4. Structural response test programme
   5. Damage to the explosion test rig
   6. Structural response model evaluation exercise
   7. Medium scale explosion tests and effects of scale
6. AREAS OF UNCERTAINTY
   1. Unconfined fires
   2. Confined fires
   3. Fire model evaluation exercise
   4. Explosion test programme
   5. Explosion model evaluation exercise
   6. The Steel Construction Institute
   7. Project Overview and Test Summaries
7. PROJECT CONCLUSIONS AND RECOMMENDATIONS
   1. Project summary
   2. Lessons learnt from the project
   3. Unconfined horizontal jet fire test programme
   4. Confined jet and pool fire test programme
   5. Explosion test programme
   6. Design guidance
8. REFERENCES

APPENDIX A

APPENDIX B

APPENDIX C

APPENDIX D