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  1. G

    Clothes Washer DWV and IPC and UPC Comparison

    I believe you will find that the premise of the 2-inch stand pipe's maximum height and the connection to a three-inch or larger branch of stack is based upon the velocity of the discharge water, which causes siphonage of the trap and any other fixture in close proximity.
  2. G

    Radon Control Methods

    Highly exaggerated phenomenon based on assumption and speculation and not scientific fact.
  3. G

    Intake and vent termination

    It's not an issue. Rain that is driven in will drain through the secondary heat exchanger and out the drain.
  4. G

    Equipotential bonding for spa perimeter surfaces

    The Copper EquiBond Grid System has a size of 3-foot by 100-foot roll which is all made from exothermically welded #8 Solid Copper with 12-inch spacing on the So yes there is
  5. G

    Is a scoreboard a sign?

    Agreed
  6. G

    Residential smoke detector placement

    Take a look at NFPA 72 for a more concise explanation.
  7. G

    Fuel gas code - distance between elbows

    Unfortunately, manufactures do not want to be overly prescriptive in there installation manuals unless it is critical to the performance. This manufacturer could have suggested 45 degrees instead of 90 degrees. A significant change in the HVAC industry was reducing the space from obstructions...
  8. G

    Stacking the Deck at ICC Hearings

    One of the worst things that I have seen, is when the technical panel vetoes a proposal on technical merit, a floor vote can take place to get it past.
  9. G

    main fused disconnect and main breaker in panel

    Are you looking for NEC 230.85
  10. G

    CFM at register

    Look at ACCA manual D for duct design. Each room requires X amount of CFM to feed the occupied zone of the room. The air velocity will dictate the throw into the space and the CFM will control the volume.
  11. G

    Fuel gas code - distance between elbows

    Note: The information provided in Figure 31 is intended as a guideline for good vent installation practices only and does not restrict venting options beyond those restrictions established by the current edition of the“National Fuel Gas Code, ANSI Z223.1/NFPA 54” or any applicable local and...
  12. G

    Equipotential bonding for spa perimeter surfaces

    Other criteria will help to dictate, height of rim of hot tub greater or less than 28". Potential difference in current between the earth and the water is the conscern
  13. G

    Multiconductor NM Cable On Concrete Floor

    NM can be run in a ladder tray provided it is rated for it. NEC 392.3 and 334.10(4)
  14. G

    Island receptacle?

    I could post a pic of another Island receptacle, but I do not think it would stay up long.
  15. G

    New Construction Uninhabitable?

    Good call. Possible scenario, Foamed with no fresh air dilution moisture being created in the living space from normal human activity bathing, laundry, fossil fuel cooking, oversized cooling system. If the house can not breathe it will sweat from the inside, evidenced by the moisture in a...
  16. G

    Island receptacle?

    You have everything in Florida!
  17. G

    IRC M1503.3/4 and kitchen range exhaust vibration isolation

    Your exhaust temps at that connector with make up air is probably going to be around 100 degrees F if over 400 cfm or more. without makeup 140 ish. A good quality exhaust fan direct drive properly installed will have negligible vibration.
  18. G

    Island receptacle?

    The initial conception of the post was no more required. After viewing pics I would require outlets, plenty of prep area, and is attached to house. Same as an additional dwelling kitchen.
  19. G

    IRC M1503.3/4 and kitchen range exhaust vibration isolation

    iii. Silicon Fabric made from silicon has a special silicon rubber layer that features exceptional resistance to low and high temperatures. This type of fabric will not burn and releases negligible fumes when subjected to open flame. Flexible duct connectors with silicon fabric are highly...
  20. G

    Just the Concrete Encased Electrode

    It was available at the time of design, and if it was consequentially covered over it should be dug up. The spirit of" if available" implies on new construction it is required, on existing you do not have to dig up the concrete to get to the rebar, if it is not exsposed available. That thought...
  21. G

    Blower Door testing

    Air leakage from wall penetrations and ceilings, light outlets and switches wiring from floor to floor etc. Natural draft appliances, attic fans, windows, exterior walls.
  22. G

    Rating of Ground Clamp for Bonding Water Pipe (NEC)

    I think you are probably correct on that ICE. The green is probably the phone company
  23. G

    Tent or Canopy

    The aggregate area of multiple tents separated by less than 12 feet (3658 mm) shall not exceed 900 square feet unless approved in accordance with Section 3103.2.
  24. G

    Wheel Stops and Accessible Parking

    Wheel stops are allowed but not on the travel route where the 2% comes in to play.
  25. G

    Rating of Ground Clamp for Bonding Water Pipe (NEC)

    that is funny!! Unfortunately, someone was stupid enough to do it.
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