Gas Meter Room Fire Rating

Than 4 inches 102 mm in diameter the meter piping shall be installed in a properly ventilated meter room of 3 hour fire rated construction.

Gas meter room fire rating.

All gas meter room doors shall open outwards unless otherwise specified by multinet gas. These have an efficiency of around 50 and use an existing chimney pre cast flue or a flue liner. Unfortunately it s not quite that easy. Depending on the type and location of a meter a different fire rating is required.

Ventilators shall be non adjustable and should be weather proof and fire resistant. Over 5 feet 1524 mm through 10 feet 3048 mm above requirements plus a combustible gas detection alarm system. For example a meter that is rated for 275 cf h can actually provide 385 cf h of maximum continuous capacity. External doors with partially louvered vents shall have a 2 hour fire rated door to provide structural stability.

A fire rating is the length of time they are able to withstand a fire and is often available in either 30 60 or 120 minutes. They are very similar to fire doors which are required along emergency escape routes in non dwelling buildings and rented accommodation. Over 10 feet 3048 mm through 15 feet 4572 mm. Flued heater have 1 0 to 4 8 stars and 61 to 84 gas heater efficiency.

After consulting with armstead ward of pg e s gas division it turns out that a meter can provide more gas than its rated capacity. Ventilation opening shall not be into a hazardous area e g. When doing a gas heater efficiency comparison star ratings for unflued gas heaters are from 5 8 to 5 9 stars meaning that they have about 90 gas heater efficiency. Typically a fire extinguisher consists of a hand held it releases a cloud of carbon dioxide that smothers the fire.

That is the gas drives. Externally opening fully louvered doors need not be 2hr fire rated. Gas meter room doors that open outwards directly on. In the case of the gas meter room if a gas leak was to occur it could propogate directly to closeby parked vehicles which could provide the source of ignition.

The beauty of open flamed gas fires is that they are visually pleasing and are able to be custom made to customer specification. The meter room shall have 3 hour fire rating construction and adequate ventilation. Fire extinguisher wikipedia a fire extinguisher is an active fire protection explosion hazard etc or otherwise requires the expertise of a fire department. A ventilator shall not be located near any air in take duct so as to avoid escaping gas re entering the building.

Therefore to my thinking a fire door would need to be installed to prevent the leak of gas however this raises issues with respect to ventilation.