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Control of Industrial Major Accident Hazards (CIMAH) Report Page 28
Ranhill SAJ Sdn. Bhd. Revision 01
Part C: Information Relating to the Safety Management System Date Aug 2019

- Operation of service water pump;
- Operation of the neutralization system (on/off);
- 2-way selector switched for Pre/Post Chlorinators;
- 2-way switched for exhaust fans; and
- 3-way selector switch for manual/off/auto.
• Monitoring Features
- Status of chlorine drums (duty/standby);
- Status of changeover valves (duty/standby);
- Status of exhaust fans;
- Status of chlorinators; and
- Status of neutralizing system.
• Alarm Annunciation
- Header valve failure;
- Chlorine gas pressure low;
- Drum changeover failure;
- Exhaust fan failure;
- Service water pump failure; and
- Detector failure.

C.2.4 Inspection, Testing, and Preventive Maintenance

Inspection, testing, corrective/preventive maintenance, and other specific
integrity management program for ensuring the integrity of safety-critical
equipment or controls

C.2.4.1 Inspection and Maintenance

In order to ensure the HSE standards within the facilities are maintained, Workplace
Inspection Procedure (SAJ-HSE-P-39) are established. The company has
implemented a Safety Checklist system for use during safety inspections. The Plant
Superintendent of the water treatment plants will conduct the quarterly safety
inspection. In addition, the supplier of Chlorine conducts periodic on-site audits on
chlorine facilities.

Approved contractors are engaged to inspect Fire Fighting Equipment and Fire
Protection Systems annually. All inspection checklists and reports are monitored and
discussed during Safety & Health Committee meeting.

Planned Preventive Maintenance (PPM) of the plant was established. The objective
of the Planned Preventative Maintenance (PPM) is to prolong the life of the plant,
and avoid operational disruption by minimising breakdowns by the most economical