risk control enhancement using safety climate...
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RISK CONTROL ENHANCEMENT USING SAFETY CLIMATE FACTORS FOR
HIRARC METHOD IN STEEL PRODUCT INDUSTRY
MOHAMAD FARIZ ADIPUTRA
A project report submitted in partial fulfilment of the
requirements for the award of the degree of
Master of Engineering (Industrial Engineering)
Faculty of Mechanical Engineering
Universiti Teknologi Malaysia
JUNE 2015
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To my beloved mother and father
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ACKNOWLEDGEMENTS
In preparing this thesis, I was in contact with many people, researchers,
academicians, and practitioners. They have contributed towards my understanding and
thoughts. In particular, I wish to express my sincere appreciation to my main thesis
supervisor, Dr. Mohd Shuisma Mohd. Ismail, for encouragement, guidance, critics and
patience. I am also very thankful to my co-supervisor Dr. Jafri Mohd. Rohani for his
guidance, advices and motivation. Without their continued support and interest, this
thesis would not have been the same as presented here. I also would like to thank Assoc.
Prof. Dr. Mat Rebi Abdul Rani for his guidance during finding my thesis topic and Dr.
Ardiyansyah bin Syahrom for his support.
I am also very grateful for the company to approve me preparing this thesis
based on study in the company. I am thankful for all the cooperation given to me while I
was there especially from Safety, Health, and Environment Department, Mr. Farissan
and Mr. Farid. I also would like to express my gratitude to fellow friends in UTM for all
the troubles that I have caused them in preparing this thesis Bang Fitra, Bang Zul, Bang
Cici, Kak Cica, Kak Reiza, Kak Weni, Agung, Vika, Ihda, Dwiky, Anggi, Ichsan, Rizal,
Yulizar, Dhika, Fadhil, Nyomie, and many others whom I could not mention here.
Without them, this thesis would not be finished. I also would like to thank my friends
anywhere for their encouragement.
Lastly, I am grateful to all my family members. To my parents, brothers, sister,
grandparents, aunts, uncles, and cousins for their full support through my master’s life.
Without them, this thesis would be meaningless.
v
ABSTRACT
Accident in manufacturing industry in Malaysia has been high for the last
five years. The current strategy of reducing accident by detecting the hazard and do
necessary action to the hazard was found to be not enough to prevent accidents in
manufacturing industry. The method used for that was Hazard Identification, Risk
Assessment, and Risk Control (HIRARC). Meanwhile, safety climate was developed
to understand the current condition of safety in the organization. The purpose of this
study was to enhance selected risk control in HIRARC method using safety climate
factors. The hazards were identified using observation, interview, and analysis of the
accident history. Then each hazards were assessed to get the risk score and level. A
survey was conducted to get the safety climate result. The safety climate result was
subject to Exploratory Factor Analysis (EFA). From the EFA result, it was found that
five factors were safety climate in steel product industry, involving management
commitment and actions for safety, worker’s commitment towards safety, priority for
safety over production, emergency preparedness in the organization, and safeness in
work environment. From analysing the factors, administrative control method was
selected to enhance risk control that was already selected by incorporating techniques
in administrative control parallel with other type of risk control. In conclusion,
factors of safety climate could be used in enhancing the risk control method selected
for HIRARC in steel product industry.
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ABSTRAK
Kemalangan dalam industri pembuatan di Malaysia telah tinggi untuk tempoh
lima tahun yang lalu. Strategi semasa mengurangkan kemalangan dengan mengesan
bahaya dan melakukan tindakan yang perlu untuk bahaya yang telah didapati tidak
cukup untuk mencegah kemalangan dalam industri pembuatan. Kaedah yang
digunakan untuk itu adalah Pengenalpastian Bahaya, Penilaian Risiko dan Kawalan
Risiko (HIRARC). Sementara itu, iklim keselamatan telah dibangunkan untuk
memahami keadaan semasa keselamatan dalam organisasi. Tujuan kajian ini adalah
untuk meningkatkan kawalan risiko yang terpilih dalam kaedah HIRARC
menggunakan faktor-faktor iklim keselamatan. Bahaya telah dikenal pasti dengan
menggunakan teknik pemerhatian, temu bual, dan analisis sejarah kemalangan.
Setiap bahaya dinilai untuk mendapatkan nilai risiko dan paras risiko. Satu kajian
telah dijalankan untuk mendapatkan hasil iklim keselamatan. Hasil iklim
keselamatan adalah tertakluk kepada Exploratory Factor Analysis (EFA). Dari
keputusan EFA, didapati bahawa lima faktor adalah iklim keselamatan dalam
industri produk keluli, yang melibatkan komitmen dan tindakan untuk keselamatan,
komitmen pekerja terhadap keselamatan, keutamaan untuk keselamatan ke atas
pengeluaran, persediaan kecemasan dalam organisasi, dan keselamatan dalam
persekitaran kerja. Dari menganalisis faktor, kaedah kawalan pentadbiran telah
dipilih untuk meningkatkan kawalan risiko yang telah dipilih dengan melaksanakan
teknik dalam kawalan pentadbiran yang selari dengan lain-lain jenis kawalan risiko.
Kesimpulannya, faktor-faktor iklim keselamatan boleh digunakan dalam
meningkatkan kawalan risiko yang dipilih untuk HIRARC dalam industri produk
keluli.
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TABLE OF CONTENTS
CHAPTER TITLE PAGE
DECLARATION ii
DEDICATION iii
ACKNOWLEDGEMENTS iv
ABSTRACT v
ABSTRAK vi
TABLE OF CONTENTS vii
LIST OF TABLES xi
LIST OF FIGURES xiii
LIST OF APPENDICES xiv
1 INTRODUCTION 1
1.1 Overview 1
1.2 Background of Problem 1
1.3 Problem Statement 3
1.4 Objectives 3
1.5 Scopes 4
1.6 Significances 4
1.7 Organization of the Thesis 4
2 LITERATURE REVIEW 6
2.1 Overview 6
2.2 Accident 6
2.2.1 Accident Causation Theory 6
2.2.1.1 Domino Theory 7
2.2.1.2 Human Factors Theory 8
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2.3 Hazard Identification, Risk Assessment, and Risk
Control (HIRARC) 9
2.3.1 Definition of HIRARC 9
2.3.2 Objectives of HIRARC 9
2.3.3 Steps in HIRARC 10
2.3.4 Classifying Work Activities 11
2.3.5 Hazard Identification 11
2.3.5.1 Classification of Hazard 12
2.3.5.2 Groups of Hazard 13
2.3.6 Risk Assessment 13
2.3.7 Risk Control 16
2.3.7.1 Risk Control Method 16
2.4 Safety Climate 18
2.4.1 Definition of Safety Climate 18
2.4.2 Dimensions of Safety Climate 18
2.5 Occupational Safety and Health Act (OSHA) 1994 20
2.5.1 Objectives of OSHA1994 20
2.5.2 Scopes of OSHA 1994 21
2.6 Literatures Summary 21
3 RESEARCH METHODOLOGY 23
3.1 Overview 23
3.2 Study Design 23
3.3 Data Collection 25
3.3.1 Hazard Identification 25
3.3.1.1 Kiswire Group Structure 25
3.3.1.2 KSB Organizational Structure 26
3.3.1.3 KSB Factory Staffing 27
3.3.1.4 KSB Plan Layout 28
3.3.1.5 Accident History 29
3.3.1.6 Standard Operating Procedure 29
3.3.1.7 Observation and Interview 30
3.3.2 Safety Climate 30
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3.3.2.1 Population and Sampling 30
3.3.2.2 Questionnaire Development 31
3.3.2.3 Questionnaire Content Validation 32
3.3.2.4 Questionnaire Distribution 32
3.4 Data Analysis 33
3.4.1 Risk Level Assessment 33
3.4.2 Safety Climate Scoring 34
3.4.3 Exploratory Factor Analysis 34
3.4.4 Safety Climate Reliability Analysis 35
3.5 Risk Control Selection 36
4 RESULTS AND DISCUSSION 37
4.1 Overview 37
4.2 Accident Analysis 37
4.2.1 Accident Based on Injury and LTI 39
4.2.2 Accident Based on Year of Experience 40
4.2.3 Accident Based on Department 41
4.3 Hazards Identified 42
4.3.1 Drawing Hazards 43
4.3.2 Stranding Hazards 45
4.3.3 Closing Hazards 47
4.4 Risk Assessment Result 50
4.5 Risk Control 53
4.5.1 Safety Climate Survey Result 53
4.5.1.1 Respondent’s Demographic 54
4.5.1.2 Exploratory Factor Analysis (EFA) 56
4.5.1.3 Reliability Test 57
4.5.1.4 Safety Climate Factors 58
4.5.2 Risk Control Selection 62
4.5.2.1 High Risk Hazard Analysis 62
4.5.2.2 Selecting and Implementing
Risk Control 64
4.5.2.3 Enhancing Risk Control Selected 65
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5 CONCLUSIONS AND RECOMMENDATIONS 67
5.1 Overview 67
5.2 Conclusions 67
5.3 Limitations of the Study 68
5.4 Recommendations 68
5.4 Recommendations 67
REFERENCES 69
Appendices A-C 74-94
xi
LIST OF TABLES
TABLE NO. TITLE PAGE
2.1 Example of classification of hazards 12
2.2 Severity Likelihood Matrix for qualitative method
(Source: DOSH, 2008) 14
2.3 Likelihood in semi-quantitative method
(Source: DOSH, 2008) 14
2.4 Severity in semi-quantitative method
(Source: DOSH, 2008) 15
2.5 Severity Likelihood Matrix for semi-quantitative method
(Source: DOSH, 2008) 15
2.6 Summary of important literatures 21
4.1 Accident database for the period of 2011-2013 in KSB
and KNSB 38
4.2 LTI per injury type from 2011-2013 in KSB and KNSB 39
4.3 Drawing process component description
(Source: KSB Internal Report) 44
4.4 Drawing process hazard 45
4.5 Stranding process component description
(Source: KSB Internal Report) 46
4.6 Stranding process hazard 47
4.7 Closing process component description
(Source: KSB Internal Report) 48
4.8 Closing process hazard 49
4.9 Drawing process risk assessment result 50
4.10 Stranding process risk assessment result 51
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4.11 Closing process risk assessment result 52
4.12 Respondent’s demographic 54
4.13 KMO and Bartlett’s Test result 57
4.14 Total variance explained for each factor 57
4.15 Cronbach’s Alpha for each dimensions 58
4.16 Safety climate factors in KSB 58
4.17 High Risk Steps in Wire Rope Department
sorted by Risk 63
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LIST OF FIGURES
FIGURE NO. TITLE PAGE
2.1 Flowchart of HIRARC processes (Source: DOSH, 2008) 10
3.1 Study design 24
3.2 Kiswire group structure in Malaysia 26
3.3 Kiswire Sdn Bhd organization structure illustration 27
3.4 Kiswire Sdn Bhd production department structure
illustration 28
3.5 Typical wire rope plant layout 29
4.1 Accident occurrences from 2011-2013 by year of
experience in KSB and KNSB 40
4.2 Accident summary from 2011-2013 by department 41
4.3 Wire rope production process 42
4.4 Drawing process (Source: KSB Internal Report) 43
4.5 Stranding process (Source: KSB Internal Report) 45
4.6 Closing process (Source: KSB Internal Report) 48
4.7 Risk level frequency of hazards identified 53
4.8 Risk level percentage of hazards in wire rope department 62
xiv
LIST OF APPENDICES
APPENDIX TITLE PAGE
A Sample of Safety Climate Questionnaire Survey
Content Validation 74
B Sample of Safety Climate Questionnaire Survey 75
C Safety Climate Exploratory Factor Analysis Result 85
CHAPTER 1
INTRODUCTION
1.1 Overview
This chapter is covering overview of the study from the background of
problems, problem statement, objectives, scopes and significances. The brief
overview explains the general information regarding the study, such as the problems
studied, limits used, and goals of the study.
1.2 Background of Problem
Accident is an undesired event that causes injury or property damage (Bird
and Germain, 1985). Malaysian Department of Occupational Safety and Health
(DOSH) is keeping records of reported occupational accidents in Malaysia (OSHA,
1994). From the record, manufacturing industry has the highest number of accident
occurrences in 2014 compare to nine other sectors. Furthermore, manufacturing
industry also recorded to have the highest number of non-permanent disability and
permanent disability as the result of accidents in 2014. In addition, the record also
shows that manufacturing industry has been the highest accident occurrences for five
consecutive years from the year 2010 until 2014. Zakaria et al. (2012) studied that
accident in manufacturing industry is from changing the production method from
manual or by hand process to mechanical or machine process. This change eliminates
hazard from hand or manual to the new mechanical hazard.
2
In order to stop accident from occurring, numerous studies have been done.
The earliest theory known for accident causation model is written by Heinrich in
1931. In his theory, he stated that accident happens as the result from sequential of
events. Thus, in order to prevent accident from occurring, simply removing one of
the events from the sequence would be sufficient. In manufacturing industry,
removing hazards from the sequence of events would prevent the accident from
occurring.
To remove a hazard, it is started with identification of hazard. Hazard is a
situation with potential for it to cause any harm in terms of human injury or ill health,
damage to the property or environment, or any combination of these (DOSH, 2008).
Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method
suggested by Department of Occupational Safety and Health (DOSH) Malaysia
could be used in identifying hazards in the process. After identifying hazards, the
hazards could be prioritized before any preventive measures are given by assessing
the risks from each hazard. The hazards are assessed using three method of assessing,
such as qualitative method, quantitative method, and semi-quantitative method. Then
risk control strategy selected for each hazards based on the priority or risk level
assessed.
However, there are six method of risk control available according to DOSH
(2008), such as elimination, substitution, isolation, engineering control,
administrative control and using personal protective equipment or PPE. The selection
of a method using DOSH guideline is based on the hierarchy of risk control method
and proposed duration of risk control method will be applied, such as for long term
or only for short term. For short term or temporary control, it is usually for the high
risk hazard where immediate action is required. But for the long term control, it
needed further planning on which method should be applied to control the risk.
Meanwhile, safety climate is employees’ current perceptions or opinions regarding
safety policies, procedures, practices, and general importance and priority of safety at
work (Griffin and Neal, 2000; Zohar, 1980). From the result of safety climate, it is
expected to get the factors that are contributing to the safety in the company. By
3
focusing on the factors, selected method for risk control could be further enhanced
mainly for the long term plan.
1.3 Problem Statement
HIRARC method as strategy in preventing accident has been used in many
industry. The three steps of HIRARC are applicable in every industry. The last step
in HIRARC is selecting risk control method and implementing it to the hazard. On
the other hand, safety climate has been studied by many researchers to understand
the safety condition in the industry. From the previous studies, many dimensions as a
result of safety climate have been found, such as management commitment, safety
procedure, and many others. However, very limited studies of safety climate have
been done in the manufacturing industry, especially in steel product industry. In
addition, safety climate factors are different for each industry even between
organizations in the same type of industry due to differences of the employees’
perception of the safety condition in the organization. Furthermore, HIRARC as a
method of preventing accident is rarely integrated with safety climate for enhancing
the selected risk control method.
1.4 Objectives
The objectives of this study are as follows:
a. To determine the structure of safety climate in steel product industry
using an exploratory factor analysis.
b. To applied safety climate factors for enhancing risk control selected in
HIRARC method.
4
1.5 Scopes
The study scopes are as follows:
a. The study was conducted in Kiswire Sdn Bhd located in Pasir
Gudang, Johor, Malaysia.
b. Historical data of accident from the company was collected for three
years.
c. Safety climate data was collected from operators and staff in the
company.
d. Risk control method suggested is for long term duration in wire rope
department in the company.
1.6 Significances
There are two significances from this study, there are:
a. Gained more understanding about hazards and risks in the steel
product industry.
b. Give application of enhancing risk control selection of HIRARC
method using safety climate factors.
1.7 Organization of the Thesis
Chapter 2 dealt with literatures related to HIRARC and safety climate. It
began with a brief overview on accident causation theories. Then followed by a
detailed explanation about HIRARC method which consist of hazard identification,
risk assessment, and risk control. Safety climate and dimensions were also described.
Current legislation of safety in Malaysia were briefly explained. This chapter was
ended with a complete review on HIRARC method and safety climate.
5
Chapter 3 presented the methodology used in this study. This chapter showed
the data collection and data analysis process of the study. The data collection process
included the data collected from the company. The analysis of the data were
explained in detail. This chapter also explained the background of company where
the study took place.
In Chapter 4, the data collected was represented in tables and graphics. The
data then briefly explained. The analysis result of the data were also showed in this
chapter. Discussion of the data and theory were the last part of this chapter. The
proposed enhancement for risk control method in HIRARC using safety climate
factors were discussed in detail.
In Chapter 5, concluded the discussion of this study and several
recommendations for future study were given. The limitations of this study were also
explained in this chapter.
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