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  1. miguelsantos

    NFPA 14 - Standpipe installation within drywall

    Hi I was referring to NFPA 14-2000, section 4-1.2.1, but this applies to the standpipe, not the smaller riser. By the way, can anyone give me a rough order os magnitude on how much would cost to repair such pipe if it did get punctured by e.g. a nail? Thanks again,
  2. miguelsantos

    NFPA 14 - Standpipe installation within drywall

    OK, thank you for the help!
  3. miguelsantos

    NFPA 14 - Standpipe installation within drywall

    The complex was built in 2009, so it's pretty recent. It has 5 storeys. This particular pipe feeds not only the sprinklers in my floor (2nd) but also all the sprinklers for the upper storeys. I know it goes all the way to the roof (there's a vent there). thanks
  4. miguelsantos

    NFPA 14 - Standpipe installation within drywall

    Hello, I live in an apartment in a new building in Houston and upon inspection I noticed that the main sprinkler system standpipe (used for multiple apartment sprinkler systems in that section of the building, 1 1/2'', CPVC orange pipe) is installed inside a drywall (sheetrock) more or less in...
  5. miguelsantos

    Compressor low speed trips

    Hello, We have a plant with a 3-stage intercooled reciprocating compressor operating with a discharge bypass valve to suction. Upstream pressure is around atmospheric, downstream is 24 barg. The compressor runs on a magnetic drive. We have been having numerous complressor trips by low speed (at...

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