Beginning bathroom remodel

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by DougB, Jan 17, 2013.

  1. DougB

    DougB Member

    I'm in Minneapoils, and I'm gutting the master bath. I intended to get a permit. Several years ago I remodeled the kitchen (with permits) and everything went well. I grew up in a home that owned a HVAC wholesaler - so I'm comfortable with soldering / wiring / etc.

    I intend to remove some cast iron sewer line - and I'm going to have a plumber friend help me with that.

    Are there any kind codes that I should be particularlly aware of? (Besides good workmanship and common sense engineering)
  2. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    If you are gutting it, then they will undoubtedly require a lot of things to be brought up to code.....GFI receptacle, ventilation, and scald-protected shower valve.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,266
    Location:
    New England
    CI is still the Cadillac of drain systems...swapping it to pvc is certainly cheaper and easier, but keep in mind two big things: CI is much quieter - you may hear things draining after that you don't now, PVC expands and contracts a fair amount with temperature changes (as hot drain water goes down, and then again after it stops and things cool off). If the pipe isn't managed well, that movement can cause squeaks as it rubs on things.
  4. DougB

    DougB Member

    Here's what I am planning to use:

    It already has it's own 20 amp circuit - just for an outlet.

    I'm installing a new alcove bathtub, Toto toilet, sink, exhaust fan, light in alcove (damp rated), heated floor with GFCI thermostat, thermostatic Grohe valve, Low-E window.

    I have other Grohe faucets in my home. The iBox looks really neat. Have you ever used it?

    Also I was going to install a Toto wall mounted toilet. Have you ever seen one of these?
  5. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,260
    Location:
    Land of Cheese
    There are plenty of things to know in regards to what fittings are used for what purpose in a DVW system, and how to properly install the drains and vents. I suggest that you draw an accurate isometric diagram of your proposed DVW system and post it here so that the plumbers can give you advice before you submit the drawing for your permit.

    There is a helpful publication available from Bert Polk, a residential plumbing inspector available here-
    http://www.co.lincoln.or.us/planning/plumbing/apps/plumbingguide.pdf
  6. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    HVAC companies don't do soft solder, packed lead joints, pressurized water piping, design drain arrangements. No offense. I am sure you have the necessary talent, but you are welcome to come here to add to your knowledge.
    And related to a post I made in a different thread, ENGINEERS designed the modified steam generator tubing for the San Onofre NGS, and that resulted in radiation leakage and quite possibly neither unit 2 or unit 3 will EVER be granted permission to restart. Do we hold engineers in high regard around here in S. Calif, with the threat of brown-outs hanging over our head for a year due to SONGS shut down all that time??? You decide.

    The choice between CI and plastic is a reasonable subject for discussion, because the choice needs to be made early on.
  7. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    YES cast iron is commonly used.....not as widely as plastic because of the price point in new contstruction tract homes, which is the bulk of the market. But high end homes, multi-story , etc...yes.
  8. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,045
    Location:
    Cave Creek, Arizona
    quote; Does anyone really use CI anymore? Maybe a government office building? There are so many advanages to plastic: cost, ease of cutting, installation, labor, space requirements

    The MAIN reason plastic is being used for drain and water pipes is because it is "cheaper", any other benefits are ancillary to that. It was the reason polybutylene, which ruined many contractors and insurance companies, was so popular from the 70s to the 90s. But when it started to fail, it took a lot of people with it. At this time, we do NOT know if PEX will be the "new" pb, only time will tell.
  9. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    I think we can extend gratitude to Europe for "running interference" on the question of PEX reliability.
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