Risk-Based Hazardous Release Protection and Prevention by Inspection and Maintenance

[+] Author and Article Information
Samuel J. Brown

Quest Engineering Development Corporation, Intertech Services, Inc., 7500 Old North Belt Drive, Humble, TX 77396

Iain Le May

Metallurgical Consulting Services, Ltd., Intertech Services, Inc., Saskatoon, Saskatchewan, Canada S7K 5Y2

J. Pressure Vessel Technol 122(3), 362-367 (Apr 13, 2000) (6 pages) doi:10.1115/1.556193 History: Received March 01, 2000; Revised April 13, 2000
Copyright © 2000 by ASME
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Flow chart of SC6000 use for pressure systems risk analysis
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(a) Relative risk of pressure systems components if death is a consequence of component failure; (b) ranking for risk-based inspection and maintenance of different equipment
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Flow chart for implementing a facility risk-based inspection program
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Brittle fracture of cast-iron pipe fitting in Oleum (SO3 and H2SO4) service that led to spill and vapor cloud release
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(a) Opened bifurcated crack at the fracture surface shown in Fig. 4; (b) SEM of specimen from fitting in Fig. 4 showing corrosion along the graphite flake and iron matrix leading to through-wall crack propagation
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Finite element method computer simulation of von Mises stress at the flange-to-body juncture of the failed cast-iron fitting




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