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  1. Replies
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    Are there any interior/core rooms that need...

    Are there any interior/core rooms that need cooling while the perimeter spaces require heating?
  2. Thread: pneumatics

    by timmy2734
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    From my experience, HVAC69 is dead on... In...

    From my experience, HVAC69 is dead on...

    In the summer, guys that have no clue what they're doing start touching receivers and throwing everything out of calibration. When that doesn't work, they...
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    I'd have to think that glycol in a steam boiler...

    I'd have to think that glycol in a steam boiler system would be a major PITA. You'd probably have to flush the system for a while to get it back online. Wouldn't you also get a lot of corrosion in...
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    It's determined by tonnage/ lbs of refrigerant in...

    It's determined by tonnage/ lbs of refrigerant in the system. But like Maxster said, most commercial buildings in NYC run 24/7 operations. The engineers are doing more than just babysitting chillers.
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    If the chillers are offline, no engineer is...

    If the chillers are offline, no engineer is needed. Many places with engineers don't man the buildings 24/7.

    This is the closest I could find regarding the issue...

    606.1.1 Supervision. It...
  6. The ones I have dealt with (powerex & Quincy)...

    The ones I have dealt with (powerex & Quincy) have not been pressurized and they have sight glasses. The pilot should bleed off any excess air when the compressor shuts off.
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    [QUOTE=MHall;15337141]This quote by the user;...

    [QUOTE=MHall;15337141]This quote by the user; "DeltaT" is one of the main statements that convinced me that boilers for hydronic steam/hot water heat are only installed in older buildings.:
    ...
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    Nobody has a problem with your questions. You...

    Nobody has a problem with your questions. You just don't seem to listen to what anyone on here has to say.
  9. Replies
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    It was going nowhere by page 2 or 3 at best ...

    It was going nowhere by page 2 or 3 at best

    :beat::beat::beat:
  10. Replies
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    These were all posted in this thread. ...

    These were all posted in this thread.

    http://www.fmmcorp.com/project/detail/18/101/1-world-trade-center---steam-utility-project.html/page:1
    ...
  11. Replies
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    So how big are the buidlings that these guys are...

    So how big are the buidlings that these guys are talking about? How many tons of cooling do they call for? How much heat is needed?
  12. Replies
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    I showed you a handful of brand new buildings...

    I showed you a handful of brand new buildings here in NYC that are connecting to city steam. Why do you continually choose to ignore them?
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    LOL, is the pump sitting on a cobblestone? ...

    LOL, is the pump sitting on a cobblestone?

    Listen to GT (amongst others), he knows what he's talking about. To people who work commercial, that's nothing more than a big HW heater that you'd find...
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    apparently it doesn't. Different cities have...

    apparently it doesn't.

    Different cities have there own laws for licensing and operation.
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    Because there's really no need to have an...

    Because there's really no need to have an operator....that's not exactly a big plant lol.

    Around here, with small low pressure, you're not going to have an operator sitting there all day. They'll...
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    No that's not really what you were emphasizing at...

    No that's not really what you were emphasizing at all. You were preaching electric heat strips....

    And to make blanket statements like buildings do only this or that is wrong. It completely...
  17. Replies
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    You don't need a boiler operator 24/7. The...

    You don't need a boiler operator 24/7. The maintenance staff at the building you posted may(should) have somebody who is competent in its operation. I'm going to guess that that boiler is fully...
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    So you're an engineer designing a building....you...

    So you're an engineer designing a building....you have an abundance of steam in your hand...but you'll install electric strip heating ?
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    http://www.broaddusassociates.com/index.php?option...

    http://www.broaddusassociates.com/index.php?option=com_k2&view=item&id=139:the-methodist-hospital-outpatient-center&Itemid=51

    There's a nice new fairly new hospital built in your neck of the...
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    No worries. It is performing the same function...

    No worries. It is performing the same function though. It's all just going into a heat exchanger.

    Have you ever checked out tecogen chillers?
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    I've never seen one.... Surely you could use it...

    I've never seen one.... Surely you could use it to preheat your water, but I think that you'd still need a dedicated hw heater.

    found some reading material
    ...
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    Dude, once again, you're wrong. I posted about 4...

    Dude, once again, you're wrong. I posted about 4 buildings last page, with the oldest being 2008. No electric heat in sight.

    The funny part is, that I'm not annoyed one bit nor do I think anyone...
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    1 world trade completion date 2013, 16" high...

    1 world trade completion date 2013, 16" high pressure steam lines
    http://www.fmmcorp.com/project/detail/18/101/1-world-trade-center---steam-utility-project.html/page:1

    Canon Headquarters...
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    I'll disagree... Here in NYC new buildings are as...

    I'll disagree... Here in NYC new buildings are as well staffed as the old. You still need licensed personal on site.

    As buildings get more complex, you can't cut staff down to a skeleton crew...
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    So you're saying that Stationary Engineers &...

    So you're saying that Stationary Engineers & staff are being phased out due to modernization & automation of equipment. Ok we'll go with that.
    Why on earth are you dead set on entering a field that...
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