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finally I put my hand on CSA B149.1 I got my answer and if you guys need to know anything from this code let me know your question and I will be happy to answer... Thank you all...

Hi Guys, we cannot change the equipment just like that, they have been installed for 25 years now... no cne would afford such option.. :) "MikeHalloran" you gotta keep marine life safe... warm water would kill'm... yes, "georgeverghese" I was thinking of this option for some remote...

"MikeHalloran" it's been drained into the sewer/storm system but recently the inspector did accept that anymore.. the condensate is not really a pure water, it's kind of oily water, you cannot just let seep on the ground. Evaporators have 2 integral process step to remove the oil before and...

"georgeverghese" you've really been a great help... thanks :)

BTW "georgeverghese" where do I find this statement "If you draw in air which is from a HAC Zone 1 or 2 location, you have the possibility of an explosion due to the operation of an induced draft heater" or similar in the codes or standards? I think my customer would like to see the code to...

great info "georgeverghese" so i have these options: - install wall intake fan starts and stops with the burner. - Change the selection of equipment from induced to forced and duct the outside air right up to the fan intake at the equipment. (hard choice, my customer is buying the equipment)...

You might need to look at NFPA-54 and NFPA-211 as well. I recall there some calc step in one of them, more likely the 211

I do have a louver on the wall to get fresh outside air. the room is meant for 2 standby gen-sets (i think 500MVA each). the evaporator or what you call it a heater is not continuously on, whenever condensate water from compressed air equipment accumulated and gets to the high-level, they...

Thank you very "StoneCold" The air-in is already taken care of.. FYI we use NFPA-54 as well along with CSA B149.1 for such applications. Neyon

Thank you "georgeverphese" it's actually induced draft. BTW, since you're Chemical, the exhaust (burner gases) will be mixed with the water vapor (steam)and pushed up through the stack, my question is, what's the preferred materials of the stack to be made of? SS 316L or ?? single or double...

any news guys...

I forgot to mention that the building is industrial (Cement plant) and 99.5% of the time is not occupied.. Thanks

Hi Guys, I want to install an indoor gas fired (Natural Gas) water evaporator, do I need simply any smoke, heat or CO detection system? the building itself unsprinkled. The work is meant to be in Exshaw Alberta Canada Thanks