Safety Engineering Assignment 5
Memorial University St Johns Newfoundland 709 6913790 n/a 13th November
Az Evulukwu
Student No; 200989523
Question 1 Define the errors and nature of them (Knowledge, rule or skill base) that may happen in the following even
Memorial University of Newfoundland
ENGI 9121: Advanced Safety, Risk and Reliability Assessment (Fall 2012)
Assignment #2
Due: 2:00 PM, October 25, Thursday
Case 1: Consider the ash distillation problem discussed as part of Workbook 1. The
liquid and vapo
Assignment # 4: Fundamentals and Elements of Risk Analysis
Advanced Safety, Risk and Reliability Modeling
ENGI 9121
Assignment # 4
Submission Date: 1 November 2012
Important points:
You can make appropriate assumption for the data you believe missing. Ho
Solutions to Question 1:
KLETZ ACCIDENT MODEL
The various events are assigned under one of these (3) layers:
Immediate technical recommendation
Avoiding the hazards
Improving the management system
Event
Recommendation for prevention/mitigation
1st laye
1. Derive the maximum likelihood estimate (assuming complete data) for the parameters of: a. b. Discrete Poisson distribution Rayleigh distribution (i.e., Weibull distribution with =2)
a) The formula for the Poisson probability mass function is:
p( x, )
ENGI-9121
Advanced Safety, Risk and Reliability Assessment
Course Instructor Dr. Faisal Khan
Assignment #3
Submitted By
Junda Chen
201493574
Problem 1
Mantel Manufacturing supplies various automotive components to major
automobile assembly divisions on a
1. First, use 50 random numbers to create a series of random Oil Demand
considering their probabilities;
random
number
Oil demand(milloin)
span
0
to
1
4
1
to
3
5
3
to
6
6
6
to
9
7
9
to 13
8
13 to 17
9
17 to 19
10
19 to 20
12
2. Then we can use the series
Example Problem for Fundamentals of Risk Analysis
Example problem-1: Identification of Risk in a water pipeline system
The primary water supply system of a city is shown in Figure 1. The water delivery
system of city C has two sources, A and B, for in whi
ENGI-9121
Advanced Safety, Risk and Reliability Assessment
Course Instructor Dr. Faisal Khan
Assignment #4
Submitted By
Junda Chen
201493574
Question 1:
(a) Alarm sounding
1. Ignoring the alarm sound and continuing working Rule based error.
2. Did not hea
Example Problem for Elements of Risk Analysis
Example problem-1: Consider health hazards of Salmonella enteritidis (ES), which is the
second most common cause of food poisoning after Campylobacter. It has been found
primarily in unpasteurized milk, eggs,
ENGI 9121: Advanced Safety, Risk and Reliability Engineering
Term Project Details
Project Objective:
This project aim to provide a venue to extend the concepts learned in class to the real
life situation. This may include detailed study of accident modell
Solutions to Question 1:
KLETZ ACCIDENT MODEL
The various events are assigned under one of these (3) layers:
Immediate technical recommendation
Avoiding the hazards (in italics)
Improving the management system
Event
Recommendation for prevention/mitiga
Accident Modeling and Analysis in
Process Industries
Faisal Khan
Centre for Risk, Integrity & Safety Engineering (CRISE)
Faculty of Engineering & Applied Science
Memorial University, St Johns, NL, Canada
SAFETY AND RISK ENGINEERING GROUP
WWW.ENGR.MUN.CA/R
ENGI 9121 - Advanced Safety, Risk and Reliability Modeling
Midterm Examination
25 October 2012
Duration: 120 minutes
Evaluation: 20%
Dr. Faisal I Khan
Dr. Salim Ahmed
Note:
Referring to Books/Notes/Assignments Permitted
Use of Laptop and other computation
Problem 1
Mantel Manufacturing supplies various automotive components to major
automobile assembly divisions on a just-in-time. The company has received a
new contract for water pumps. Planned production capacity for water pumps is
100 units /shift. Becau
ENGI-9121
Advanced Safety, Risk and Reliability Assessment
Course Instructor Dr. Faisal Khan
Assignment #3
Submitted By
Junda Chen
201493574
Problem 1
Mantel Manufacturing supplies various automotive components to major
automobile assembly divisions on a
QUESTION 2a
Rearranging the given data;
63
134
236
10181
79
162
262
90
167
303
93
171
386
120
204
396
123
205
421
The median is given by;
Tmedian = T10 = 171hrs
The mean is given by;
68+79+90+93+120+123+134+162+167+171+204+205+236+262+303+386+39
6+421+101
QUESTION 2 (A)
PROCESS ACCIDENT MODEL FOR LNG FACILITY
Safe
condition
1)
2)
Release
Prevention
Barrier
SUCCESS
3)
4)
5)
Upper master valve did not close as required
during train three depressurization
Start compressor did not build pressure due
to broken
QUESTION 1(A)
EVENTS
RECOMMENDATIONS FOR PREVENTION
Fatal loss of lives
Call emergency paramedics
Workers stuck in work place
Catastrophic explosion
Activate emergency lightning system
Accumulated sugar dust ignited by
advancing heat
Initiate fire alarms,
QUESTION 1 (B)
USING KUJATH ET AL ACCIDENT CAUSATION MODEL TO REVIEW THE IMPERIAL SUGAR COMPANY DUST EXPLOSION
INITIATON
RELEASE
PREVENTION
BARRIER
IGNITIONACCIDENT
PREVENTION
BARRIER
ESCALATION
PREVENTION
BARRIER
HARM
PREVENTION
BARRIER
LOSS
PREVENTION
B
Introduction
Transport processes of multiphase fuids in porous media over the past half century have been helped
and accelerated by concerted efforts of laboratory experiments on porous-medium samples at various
scales, feld studies, theoretical analysis,
Elements of Risk Assessment
Introduction
Risk assessment is useful to estimate the safety, reliability, and
effectiveness off various products, processes and facilities.
Health risk assessment focuses on the health effects due to toxic
chemicals and biolo
Fundanmental and Risk Analysis
Page 1 of 20
Fundamental and Risk Analysis
References:
The materials for this lecture note have been adopted from the following references:
1. Bilal M. Ayyub. Risk Analysis in Engineering and Economics Chapman and
Hall/CRC-2
Nat Hazards (2014) 74:17591771
DOI 10.1007/s11069-014-1271-8
ORIGINAL PAPER
Probabilistic risk assessment of major accidents:
application to offshore blowouts in the Gulf of Mexico
Nima Khakzad Sina Khakzad Faisal Khan
Received: 11 March 2014 / Accepted:
ENGI 9121 - Advanced Safety, Risk and Reliability Modeling
Take Home Final Examination
April 12th - 13th 2016
Due on or before April 13th (5 PM) at IIC 1008
Evaluation: 40%
Duration: 2 days
Dr. Majeed Abimbola
All questions have partial marking. Marking i
Assignment # 4: Fundamentals and Elements of Risk Analysis
Advanced Safety, Risk and Reliability Modeling
ENGI 9121
Assignment # 4
Submission Date: March 20, 2017
Important points:
You can make appropriate assumption for the data you believe missing. How