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A Study on Risk Assessment Process of Hazards in Construction Sites

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    A STUDY ON RISK ASSESSMENT PROCESS OF        

            HAZARDS IN CONSTRUCTION SITES

 

                                           PREVINDRAN A/L KRISHNAN

       EXECUTIVE  DIPLOMA IN OCCUPATIONAL HEALTH & SAFETY

                         INSTITUTE PROFESSIONAL DEVELOPMENT

                           OPEN  UNIVERSITY  MALAYSIA

                               2013

                                 

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      ACKNOWLEDGEMENT

First and foremost, I would lie to take this opportunity to thank everyone for guiding and helping me in the completion of this dissertation.

I would like to extend my deepest gratitude and appreciation to my HSE manager for his continuous guidance, support and valuable advices throughout the period of this Project Paper.

I would also like to thank to all the respondents who participated in the interview sessions and questionnaire survey and also to those who were involved directly or indirectly in the completion of this project.

Other than that, I would like to convey my appreciation to all my OUM & NIOSH lecturers and trainers who guided and supported me in completing this project paper.

Most importantly, I would like to show my gratitude to my parents who really helped me and showed moral support not only during my classes but guided me whenever I needed them. Last but not least, not forgetting to thank all my friends and course mates especially

Thank you all,

Previndran a/l Krishnan

                                 

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                                      Authorization Statement

With this I declare that the report as title A study on Risk Assessment Process of Hazards Of Construction Sites  in Vale Mineral Malaysia Project by [Previndran a/l Krishnan ] of matrix number [ IEDOSH - 121956 ] is my own work except the summary that I have explained the source.

                                           

     

                                             By

             Previndran a/l Krishnan

 

                                           2013

                                                                       

   

   ABSTRACT

Recently the issue of occupational safety and health have attract the attention of many parties in the construction industry. The number of accident occurrence in construction site have been regard as high if compared to other industries. One of the main cause of accident in many construction sites is hazards, therefore an effective risk assessment process of hazards has the potential to overcome the problem. This study is carried out to determine the process of risk assessment of hazards currently applied in construction sites in Malaysia. The study also aim to proposed a guideline that can be used by the construction personnel in order to improve the implementation of risk assessment of hazards. A framework of the current applied risk assessment process of hazards have been developed from the combination of the result of interview session carried out by the author with ten construction companies. The study found that the major risk assessment process of hazards in construction   sites   listed   were   approved   by   the   respondent   as   ‘high application’ and ‘medium application’. Based on the study analysis, a guideline  have  been  proposed  and  it  is  expected  by  this  guideline, construction personnel will be able to implement the risk assessment process of hazards effectively in construction sites in Malaysia.


TABLE OF CONTENTS

CHAPTER        TITLE        PAGE

THESIS TITLE         i ACKNOWLEDGEMENT        ii

AUTHORIZATION STATEMENT                                                          iii

ABSTRACT        iv TABLE OF CONTENTS        v

1        INTRODUCTION        1

1.1

Introduction

1

1.2

Problem Statement

5

1.3

Aim and Objectives of the Study

6

1.4

Scope of Research

7

1.5

Research Methodology

7

2        LITERATURE REVIEW        9

2.1        Risk Assessment Definitions        9

2.1.1

Purpose of Risk Assessment

11

2.1.2

Risk Assessment Requirements

12

2.1.3

Planning Assessment

13

2.1.3.1 Key Roles and Responsibilities

14

2.1.3.2 Strategy and Planning

15

2.2

Risk Assessment Process

17

2.3

Risk Assessment Process for Hazard in

Construction Site

22

2.3.1

Step 1 : Analyzing Work Activities

22

2.3.2

Step 2 : Hazard Identification

23

2.3.2.1 Methods of Identifying Hazard and

Hazardous Situations

23

2.3.3

Step 3 : Estimating Risk

25

2.3.3.1 The Risk Matrix

26

2.3.4

Step 4 : Evaluating Risks

29

2.3.4.1 Decision Making as Part of Risk

Assessment Process                                      29

2.3.5

Step 5 : Planning Control Options

30

2.3.5.1 Hazard Control

31

2.3.5.2 Safe Systems of Work                                                

33

55

 2.4

Hazards in Construction Site

34

2.4.1        Categories of Hazard

35

2.4.1.1 Physical Hazard

35

2.4.1.2 Electrical Hazard

36

2.4.1.3 Explosive Hazard

36

2.4.1.4 Biological Hazard

37

2.4.1.5 Chemical Hazard

37

2.4.1.6 Mechanical Hazard

38

2.4.1.7 Ergonomic Hazard

39

2.4.2        Types of Hazards in Construction Site

39

2.4.2.1 Physical Injury Hazard

40

                                                        2.4.2.2 Health Hazard        43

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