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1. Introduction
1.1. About This Handbook
1.2. Target Audience
1.3. Related Ordinances, Regulations and Guidelines
2. Design Considerations
2.1. Gas Supply Systems
2.2. Gas Meters
2.3. Emergency Control Valves and Fire Safety Valves
2.4. Application of Technology
3. Operation and Maintenance
3.1. Daily Operation
3.2. Emergency Preparedness
3.3. Preventive Maintenance
3.4. Spare Cylinders Management
4. Record/Documentation
4. Record/Documentation
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4.1.1 General Practice

The owner should keep the inspection/maintenance records of the installations for a period of not less than 2 years from the date of the inspection/maintenance.

4.1.2 Best Practice

The owner should keep the specifications and manuals, if any, of the gas appliances and safety devices as well as the layout plans of gas pipes, gas appliances and ventilation system for future reference by end users and maintenance staff.
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