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The Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) require employers to prevent, limit and control the harmful effects of fires, explosions, corrosion of metals and similar energy-releasing events. Dangerous substances can be found in nearly all workplaces – including the rail sector – and include solvents, paints, varnishes, flammable gases such as liquid petroleum gas (LPG), dusts from machining and shot blasting operations, pressurised gases and corrosive substances.
The Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) require employers to prevent, limit and control the harmful effects of fires, explosions, corrosion of metals and similar energy-releasing events. Dangerous substances can be found in nearly all workplaces – including the rail sector – and include solvents, paints, varnishes, flammable gases such as liquid petroleum gas (LPG), dusts from machining and shot blasting operations, pressurised gases and corrosive substances.
As part of the DSEAR 2002 regulations, employers must adhere to the following measures in order to comply:
Within the responsibilities set out by DSEAR, an employer must undertake a risk assessment to classify the hazardous area with respect to dangerous substances and explosive atmospheres, while also determining ignition sources and personnel exposure to protect employees, visitors and the general public. It is recommended that a DSEAR risk assessment of any work activity involving dangerous substances is carried out every three to five years depending on the risk levels of the operation.
Once the risk assessment has been developed, employers must set out how they will eliminate or reduce the risk to safety from the presence of dangerous substances. This can be achieved by removing or controlling risks and by providing measures to limit or mitigate the consequences for people should an incident occur.
A range of control measures can be implemented to reduce and eliminate the risks associated with dangerous and explosive substances in your rail organisation. Such risks must be eliminated or minimised as far as is reasonably practicable when there is work being carried out by an employer, when a dangerous substance is present/liable to be present and when a dangerous substance could pose a risk by causing a fire or explosion. This can include changes to:
Once the DSEAR risks associated with an employer’s workplace and activities have been successfully identified and the corresponding control measures have been developed, they must protect the safety of their employees as far as is reasonably practicable by forward emergency planning. This requires them to have arrangements in place to deal with accidents, incidents and emergencies, including the evacuation, escape or rescue of people. Such arrangements include first aid, safety drills and testing, information on hazards, warning and response systems and means of escape.
DSEAR defines hazardous areas at risk of fire and/or explosion as ‘any place in which an explosive atmosphere may occur in quantities such as to require special precautions to protect the safety of workers’. There are a number of relative examples where fire and explosions may occur on the railway, including:
Under Regulation 3 of DSEAR, preventing, limiting and controlling the risks from dangerous substances or explosive atmospheres may also be subject to legislation under the Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2007. The purpose of the regulations is to protect everyone either directly involved – such as consignors or carriers – or those who may become involved in an emergency, such as members of the public. Reference to this legislation has yet to be reflected formally in DSEAR, but section 17(2)(a) of the Interpretation Act 1978 means that reference to the earlier regulations also includes the later regulations.
If you would like to find out how SOCOTEC's Health & Safety Consultancy can help your organisation to comply with DSEAR regulations, why not get in touch?
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