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  1. nails002

    Condensate pipe size

    2006 UPC Section 814.0 and Table 8-2 outline minimum condensate pipe sizes based on tons of refrigeration. Up to 20 tons -> 3/4" 21-40 tons -> 1" 41-90 tons -> 1-1/4" 91-125 tons -> 1-1/2" 126-250 tons -> 2" Over 250 tons -> Sizing as approved by AHJ
  2. nails002

    ashrae standard Graphic Symbols for hvac/r

    Standard HVAC/R graphic symbols are located in the 2005 ASHRAE Fundamentals Handbook, Chapter 37.
  3. nails002

    Floor Drain Requirement

    2006 UPC 411.2.1 requires floor drains in "Toilet rooms containing two or more water closets or a combination of one water closet and one urinal, except in a dwelling unit" I don't have a copy of the IPC handy so I'm not sure of it's requirements.
  4. nails002

    Bathroom Floor Drain requirements

    UPC requires floor drains in toilet rooms containing: (1) Two or more water closets; or (2) Combination of one water closet and one urinal I am not sure what the other codes require...

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