• Fahad Gohar

#Carbon Monoxide ##Hazards


Do not overlook potential hazards of carbon monoxide (CO) that may exist on the jobsite. It is an especially dangerous hazard because it is odorless, colorless, and tasteless. CO attacks red blood cells when it enters into the system. Therefore, it attacks the ability to absorb and distribute oxygen to the body. Symptoms of CO exposure are a dull headache, dizziness, weakness, nausea, vomiting, shortness of breath, confusion, blurred vision, and loss of consciousness. If anyone on the jobsite is feeling these symptoms, look for sources of CO and immediately take the person into a fresh air environment. If CO poisoning is not treated, it can cause permanent brain damage, damage to the heart, and death.


Monitor Before work commences, check levels of CO. Be aware of where gas-powered equipment will be used and monitor levels in those areas. Especially when working in an enclosed area, CO levels should be monitored closely. While work is being done, have a detection system in place that will give warning when CO is present at levels that would be harmful to employees.

Motor Vehicles Motor vehicles are a common source of CO. Do not leave vehicles running in areas where employees are working at levels lower than the vehicle. For example, do not leave a vehicle running near a trench where a worker may be present as the car exhaust will enter the trench and cause the levels of CO and carbon dioxide to increase.

Gas-Powered Tools Gas-powered tools can give off CO as they are being used. Ensure there is proper ventilation available. Where possible, open the work space to allow for greater ventilation. During winter months, make sure there are proper-sized cutouts in coverings to allow sufficient ventilation. When working inside an enclosed part of a structure, find a means of ventilation. If needed, provide forced air to better circulate the area.


Power Generators When gas-powered generators are being used, place them in an open, well-ventilated area. When placed close to the building, exhaust from generators can seep into the structure.


Fuel-Burning Heaters Heaters are common in the winter on jobsites. Ensure that exhaust ventilation is provided to avoid a buildup of CO in a work area. Ensure that employees have been properly trained on the use of heaters that can operate on either propane or natural gas. Each type of gas requires a different pressure and CO can build up if the correct pressure is not selected. Lock valve in place after gas is selected to avoid problems.


Credit to WCF Insurance

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