|
|
CUSAT B.TECH Degree Course – Scheme of Examinations & Syllabus 2006 SE Sem VII
1
SE 701 HAZARD IDENTIFICATION AND RISK ASSESSMENT
Module I
Hazard and risk , Types of hazards – fire, explosion and toxic gas release, Structure of hazard
identification and risk assessment.
Identification of hazards : Inventory analysis, Fire and explosion hazard rating of process plants -
The Dow Fire and Explosion Hazard Index, The Mond Index, Plant layout and unit hazard rating,
Preliminary hazard analysis, Hazard and Operability study (HAZOP), What If analysis, Case
studies.
Module II
Plant availability and process reliability : ways of improving plant availability, MTBF and MTTF,
the reliability function, failure rate, bathtub curve, probability relationships, simple reliability
estimation.
Estimation of frequency of occurrence of a hazard : The logic tree approach, set theory and Boolean
algebra, application to probability, Boolean manipulation.
Fault tree analysis – logic symbols, minimal cut set, logic gates, fault tree quantification.
Event tree analysis – notation, event tree construction, advantages and disadvantages of ETA.
Failure mode and Effect Analysis (FMEA) – methodology, criticality analysis, corrective action and
follow-up.
Module III
Consequence modelling :
Source models – discharge rate models, flash and evaporation, dispersion models.
Explosions and fires – vapour cloud explosions, flash fires, physical explosions, BLEVE and fire
ball, confined explosions, pool fires, jet fires.
Effect models –dose-response functions, probit functions, toxic gas effects, thermal effects,
explosion effects – Software application for effect and damage calculations.
Module IV
Quantification of risk : QRA, Vulnerability analysis, accepted and imposed risk, perception of risk,
risk indices, individual risk and societal risk, acceptance criteria for risk, ALARP, Presentation of
measures of risk – risk contour, F-N curve. Calculation of individual risk and societal risk.
Human reliability analysis (HRA) : factors leading to human error, characteristics of HRA
techniques, Technique for Human Error Rate Prediction (THERP), Accident Sequence Evaluation
Program (ASEP), Techniques using expert judgment, Operator Action tree (OAT).
Text Books
AIChE/CCPS, Guidelines for Hazard Evaluation Procedures second edition.
Centre for Chemical Process Safety, American Institute of Chemical Engineers,
New York, 1992.
AIChE/CCPS, Guidelines for Chemical Process Quantitative Risk Analysis
second edition. Centre for Chemical Process Safety, American Institute of
Chemical Engineers, New York, 2000.
References
1.Lees F.P. Loss Prevention in the Process Industries second edition. Butterworths, London, 1996.
Type of Questions for University Examination
Q1. Eight short answer questions of 5 marks each with two questions from each of the four modules.
Q2 to Q5 : Two questions A & B of 15 marks from each module with option to answer either A or
B.
For more details, visit http://www.cusat.ac.in/
|
No responses found. Be the first to respond and make money from revenue sharing program.
|