Page:NTSB - Railroad Accident Report - Derailment on May 25, 1989.djvu/6

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Event Recorders		95
Computer-Generated Tonnage Profile Information		97
Dynamic Brake/Emergency Interlock		98
Reporting Defective Conditions on Locomotives		98
Training Program for Engineers		99
Southern Pacific Training Program for Yard Clerks		99
Southern Pacific Management Oversight of Train Operations		100
The Pipeline Rupture		101
Removal of the Train Wreckage		103
Removal-of Trona From Over the Pipeline		103
Excavation and Inspection of the Pipeline		104
Removal of Trona From the Oer ailment Area		105
Adequacy of Calnev's Inspection cf the Pipeline Following the Train Derailment		105
The Timing of the Pipeline Rupture		108
Calnev Pipeline Monitoring System		108
Shutdown of Failed Pipeline		109
Check Valves		109
Remotely Operated Valves		110
Federal Reguations		112
Enhancing Public Safety Near Railroads and Pipelines		115
Survival Aspects		117
Emergency Response		117
Medical and Toxicological Factors		119
Southern Pacific's Physical Examination Policy		119
CONCLUSIDNS
Findings		120
Probable Cause		123
RECOMMENDATIONS		124
APPENDIXES
Appendix A—Investigation and Hearing		129
Appendix B—Personnel information		130
Appendix C—Bill of Lading Information		131
Appendix D—Tonnage Profile of Extra 7551 East		137
Appendix E—OPS Hazardous Facility Order and Subsequent Amended Orders		144
Appendix F—Assessment of Damages to Residences and Property		153
Appendix G—FRA Letter Regarding Functioning Dynamic Brakes		155
Appendix H—Southern Pacific Timetable Instructions (Maximum Tons per Operative Brake)		156
Appendix I—Selected Provisions of ASA Code B31.4		157
Appendix J—Pertinent Provisions of 49 CFR Part 195		159
Appendix K—Pertinent Provisions of 49 CFR Part 192		165
Appendix L—Alert Bulletin Issued by RSPA on November 13, 1989		166
Appendix M—Strip charts From Event Recorders of Extra 7551 East		171
Appendix N—Report of Converse Consultants		174
Appendix O—Agreement Between the Southern Pacific and the City of San Bernardino		183

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