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  • Users: Antifed
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  1. Antifed

    Pump Corrosion

    Hello, I was on a site visit the other day and came across this Armstrong Pump in the secondary side of a heating hot water system. There are no corrosive chemicals in the room nor anything outside of the boiler room that could be drawn in from the combustion air louvers. The maintenance...
  2. Antifed

    Fan/Blower Coils with DOAS

    Hello, I searched through existing posts and did not find a post regarding my question (though that doesn't mean that I searched very well) so please forgive me if this question has been asked and answered. If it has, please direct me to the thread. We designed a a building in climate zone...
  3. Antifed

    90.1-2001 IP Edition

    Hello, Does anyone have a copy of the 2001 edition of ASHRAE 90.1-IP? If you do, would you please tell me the envelope requirements from Chapter 5 for climate zone 4A? We are working on a project for which I need to know the non-residential construction​ R & U values for roofs. It is to...
  4. Antifed

    Fitness Center Design Question

    Hello, I searched through the forum to see if a previous post had the answer for which I am looking, but did not come across it. I searched for "fitness center", "gym", and "gymnasium" design and came across a few posts, but none with the answer. Our office has been tasked with providing...
  5. Antifed

    Differing Pipe Schedules

    Hello All, A project I am working on now is a valve replacement in a 24" bypass line at one of our dams. The bypass line and valve has been in service for about 50 years. The original specs we have state that the bypass pipe is to be carbon steel pipe (equiv. to ASTM A 53, Elec. Resist...

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