Gas Detection & Safety Solutions for Breweries

Breweries have significant hazardous conditions including CO2 and oxygen deficiency. These hazards pose a safety risk to the people that work there and the plant itself.

a1-cbiss supply total gas detection and safety solutions to many of the UK’s largest breweries in the form of fixed systems, personal gas detectors and confined space entry systems.

Gas Hazards
Dangers of CO2
What Do the Guidelines Say?

Carbon Dioxide (CO2) is a hazard throughout the brewing process, right through to packaging and bottling as prior to filling, beer bottles are purged with CO2 to remove air and protect the taste against oxidation.

As CO2 is heavier than air, it collects at the bottom of containers and confined spaces such as tanks and cellars and can even spill out of fermenting tanks and sink to the brewery floor, where it forms deadly, invisible pockets.

It is recommended to have a fixed gas detection system to alert people to the dangers, activate ventilation systems or if necessary force a full shutdown of the facility.

a1-cbiss are experienced in the design and installation of fixed CO2 gas monitoring systems and oxygen depletion systems having supplied the UK’s largest breweries.

Carbon Dioxide (CO2) occurs naturally in the atmosphere at a rate of 400 parts per million (ppm). It is odourless, colourless and tasteless.

If levels of carbon dioxide in the atmosphere increase too much, it can be dangerous. An increase of CO2 to 30,000ppm, can result in a person having deeper breathing, reduced hearing, headaches and an increase in blood pressure and pulse rate.

Further increases can lead to signs of intoxication becoming more evident including loss of judgement, unconsciousness and if no prompt action is taken, death.

Workplace Emission Limits (WELs) limit airborne concentrations of hazardous substances in the workplace and are set in order to help protect the health of workers.

The Health & Safety Executive publicises WELs in the EH40 guidelines ‘EH40/2005 Workplace exposure limits’.

The WELs for CO2 are:

Long-term exposure limit (8-hr reference period) of 5,000 ppm / 0.5% Vol

Short-term exposure limit (15 minute reference period) of 15,000 ppm / 1.5% Vol

CO2 is classed as a ‘substance hazardous to health’ under the Control of Substances Hazardous to Health Regulations 2002 (COSHH).

All regulations are ultimately covered by the Health and Safety at Work etc. Act 1974

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