Singapore legislation
Schedule 3
of Workplace Safety and Health (Major Hazard Installations) Regulations 2017
Schedule 3
Safety case
THIRD SCHEDULERegulations 2(1) and (3) and 6Safety casePart 1PURPOSES OF SAFETY CASE1.To demonstrate that a major accident prevention policy and a safety and health management system have been established and implemented.2.To demonstrate that all major accident hazards have been identified and that —
the risk of occurrence of any major accident has been eliminated; or
where it is not reasonably practicable to eliminate the risk of a major accident, the risk has been reduced to as low as is reasonably practicable to limit the consequences of an accident.3.To demonstrate that adequate safety and reliability measures, for any installation, equipment or infrastructure connected with the operation of a major hazard installation, in relation to major accident hazards within the major hazard installation have been incorporated into —
the major hazard installation’s design and construction; and
the major hazard installation’s operation and maintenance.4.To demonstrate that an emergency response plan has been drawn up to take the necessary measures in the event of a major accident.Part 2MINIMUM INFORMATION TO BE INCLUDED IN SAFETY CASE1.A written major accident prevention policy that —
sets out the occupier’s overall aims and principles of action;
sets out the role and responsibility of the person or persons managing the operation of the major hazard installation;
demonstrates the occupier’s commitment to continually improving the control of all major accident hazards, in accordance with any relevant guidelines that the Commissioner may issue; and
sets out a plan that adequately addresses any major accident hazard, proportionately to the risk and consequences of the major accident hazard.2.Every section of the safety and health management system in relation to major accident prevention.3.The resources for implementing the major accident prevention policy, in accordance with the generally accepted principles of safe and sound practice.4.A presentation of the vicinity of the major hazard installation which —
describes the site and its vicinity including the geographical location and, if necessary, its history;
identifies the installations and other activities of the major hazard installation that can present a major accident hazard;
identifies the neighbouring workplaces, areas and developments that may be a source of or cause an increase in the risk or consequences of —
a major accident in the major hazard installation; and
a major accident, in the major hazard installation or at the neighbouring workplace, area or development, that is initiated by the cumulative effects of an accident within the major hazard installation; and
describes the areas where a major accident may occur.5.A description of the major hazard installation including —
a description of the main activities and products of the parts of the major hazard installation which are important from the point of view of safety, sources of major accident risks and conditions under which such a major accident could happen, together with a description of the preventive measures;
a description of the processes, including the operating methods; and
a description of the dangerous substances present or likely to be present, including the following details:
the inventory of the dangerous substances including the identification of dangerous substances and the maximum quantity of dangerous substances present or likely to be present;
the physical, chemical, toxicological characteristics and indication of the hazards, both immediate and delayed for human health; and
the physical and chemical behaviour under normal conditions of use or, in the event of a foreseeable accident, under foreseeable conditions.6.A description of the methods used in identification, risk assessment and risk control of major accident hazards, including —
a detailed description of possible major accidents and their probability of occurrence or the conditions under which they may occur;
a summary of the events which may play a role in triggering each of these possible major accidents;
the potential causes (whether internal or external to the major hazard installation) of these possible major accidents including —
potential operational causes;
potential external causes, such as an accident in the neighbouring area or developments that could be the source of, or increase the risk or consequences of a major accident; and
potential natural causes (if any);
an assessment of the extent and severity of the consequences of possible major accidents by way of diagrammatic representation (including, but not limited to, maps or images) setting out the areas which may be affected by such accidents;
a review of past accidents, process-related incidents and near misses that involved the same substances or processes, including the lessons learnt and the preventive measures implemented; and
a description of technical parameters and equipment used to ensure safe operation of the major hazard installation.7.The measures implemented to limit the consequences of an accident, including —
a description of the equipment installed within the major hazard installation to limit the consequences of major accidents;
a description of the status of organisation for the purposes of alert and intervention;
a description of mobilisable resources, internal or external; and
a description of any technical and non-technical measures relevant for the reduction of the impact of a major accident.