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Control of Industrial Major Accident Hazards (CIMAH) Report Page 4
Ranhill SAJ Sdn. Bhd. Revision 01
Part D: Information on the Potential Major Accident Date Aug 2019

D.1.0 SOURCES OF MAJOR ACCIDENT

A description of potential sources of a major accident and the conditions or
events which could be significant in giving rise to one.

The Company has an established hazard identification, risk assessment and control
(HIRARC) structure which is aligned with the guidelines of the Department of
Occupational Safety and Health (DOSH) on hazard identification, risk assessment
and risk controls. Besides, the Company also adopts prevailing standards and
practices in HIRARC.

D.1.1 Method of Hazard Identification, Risk Assessment & Risk Control

This section explains the method used for developing Hazards and Effect Register
and quantitative risk assessment (QRA).

D.1.1.1 Hazard Identification

The hazard identification could be conducted using various approach as follows:
i. Checklist
ii. Inventory of substance
iii. Brainstorming session
iv. Walk through inspection and review
v. “What if” study
vi. Technical tools - Hazard and Operability Studies (HAZOP), Failure Modes
and Effects Analysis (FMEA), Fault Tree Analysis (FTA) and Event Tree
Analysis (ETA)

For the CIMAH reporting, the inventory of substance at the plant or facility that are
listed in the CIMAH Regulations are being identified and declared in the JKKP5.

Besides, the Company also maintains the inventory of hazardous substance that
provided the source of hazard identification that could link to major accident event
(MAE).

D.1.1.2 Risk Assessment

There are both qualitative and quantitative risk assessment. Each of the risk
assessment tool has their own credit and important. The selection of risk
assessment tools are based on the needs of the organisation and the level of
accuracy as determined by the legislation and standards.