CSA B149.1 Gas Code

[TBP]

We've been asked to look at installing a gas monitor to detect leaks in the natural gas metering room of a commercial building in Alberta. Does anyone know of a requirement for this? I don't, but I'm a little out of touch with the gas code, particular as it applies to Alberta, and my code book is in a box, somewhere.

Thanks.

 

[BigInch]

I don't know your code, but check with the local fire marshall .. and put in the detectors no matter what he says. With or without constant ventilation of 4 or 5 air changes per hour, which you should have anyway, detectors are not a bad idea, even if they are not required.

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[Bribyk]

The only references to "detector" I found in B149 were regarding fueling NG vehicles and stationary engine installations. Even if there's no moving parts in the room and your regulator diaphragms are vented outside, I'd put in the detectors anyway, they are relatively cheap and I'd sleep better at night. Gas explosions are scary business.

 

[TBP]

Thanks for the responses - but unless there's a code requirement for these detectors, I doubt that they'll be installed at this time. There are several other issues at the location that are ABSOLUTELY code related. They'll have to be dealt with first.

 

[JLSeagull]

Check requirements for confined space and inadequate ventilation based upon NFPA etc.