Why a CO2 Safety Monitor Will Soon Be Required in Your Bar or Restaurant

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Bars, restaurants, breweries and beer distribution centers use dispense gas to help pump beverages through beer gas lines or to carbonate fizzy drinks on site. The dispense gas, which can be either carbon dioxide (CO₂) or a nitrogen (N₂) mix, has numerous functions, such as improving the taste of the beverage, keeping the contents of the keg sterile, and helping to maintain the draft beer equipment.

By law, establishments using dispense gas are required to have safety monitors in place to protect themselves and their customers from the dangerous health effects of excessive exposure to CO2

The Dangers of Excessive CO2 Gas Exposure

Low concentrations of oxygen in the air can affect respiratory function and result in rapid breathing, rapid heart rate, emotional upsets, fatigue, clumsiness and lead to permanent damage of vital organs, including the heart and brain. High concentrations of CO2 can cause nausea, vomiting, collapse, convulsions, coma and even death. 

Updated Standards vs. Previous Requirements

The Occupational Safety and Health Administration (OSHA), the National Board Inspection Code (NBIC), the National Fire Protection Association and the International Fire Code have set forth specific requirements and regulations for monitoring exposure of CO2 in the workplace, bars, walk-in coolers, fast food restaurants, theaters and stadiums. 

The International Code Council recently released regulations for dispensing carbon dioxide gas. According to Section 5307 Carbon Dioxide (CO2) Systems Used in Beverage Dispensing Applications, establishments using CO2 gas are required to follow guidelines for protection, ventilation and emergency alarm systems. 

  • Required Protection. Indoor areas that hold carbon dioxide storage tanks, cylinders, piping and equipment where a gas leak may occur, are required to have ventilation or an emergency alarm system installed.
  • Ventilation. The requirements for ventilation are:
  1. Mechanical ventilation: rate of no less than 1 cubic foot per minute per square foot.
  2. Exhaust should be removed from a point within 12 inches of the floor.
  3. Ventilation should be equipped to operate at a negative pressure in relation to the surrounding area.
  • Emergency Alarm System. The system should provide continuous gas detection, have a threshold for activation that does not exceed 5,000 parts per million, and be able to initiate a local alarm within the room or area in which the system is installed.

Steps for Compliance

Owners, operators and managers can take the following steps to make sure their establishment is in compliance with regulations for monitoring exposure of CO2:

  1. Complete a risk assessment to determine how many sensors are necessary. We recommend one sensor for 80m3.  
  2. Research local legislation for exposure limits.
  3. Install a CO2 gas detection system and alarm that provides both visual and audible alerts.
  4. Configure the device to follow local legislation for exposure limits.
  5. Add the device to your routine of health and safety checks. We recommend logging an annual calibration and bump test for the CO2 sensor.
  6. Train staff members on emergency procedures in case of a gas leak.

Why Choose the Analox CO2 Safety Monitor

The Analox CO2 Safety Monitor is inexpensive and requires little maintenance. The device includes a monitor, a relay that attaches to the central alarm system and a repeater that is mounted outside of the area containing equipment that dispenses CO2. The system offers two types of alerts: a leak alert and a no-entry alert.  

The Analox CO2 Safety Monitor has a built-in audible alarm as well as a splash guard to protect from liquid. The monitor can be installed in bars, restaurants, breweries, beer distribution centers and any other areas that dispense carbon dioxide gas.

Reach out to Glacier Design Systems for more information.


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