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Old 01-17-2019, 10:36 PM   #61
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


Coming along bit by bit. So couple questions after seeing #54 drawing:

1. Live in a radon area or ever had it checked? An open sump would be a huge outlet.
2. Water heaters are around 18-22" dia. Is that what overhangs the 4", or are you going to use a pan? An 18" prefab stand might help if conflict with sump cover or sump pull-out clearance.
3. I am a proponet for floor drains for W.H. and condensate, but I think I missed the sump pump. Assume the red square next to sump is clear space for panel?
4. Are your furnace and W.H. pulling combustion air from outside? If not, you'll have to deal with those requirements closing off the space.
5. Your walling off the whole W.H./panel/furnace (and the hall wall stops and is just open to the laundry)? So two 60" wide openings with a center post in about 11' long wall for sliders? First thing access. Second would that make it an enclosed electrical panel room? Have to check NEC if illegal to have water in there combined, maybe someone can chime in quicker if that's the case.

Last edited by 3onthetree; 01-17-2019 at 10:42 PM.
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Old 01-18-2019, 05:57 AM   #62
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


Quote:
Originally Posted by 3onthetree View Post
Coming along bit by bit. So couple questions after seeing #54 drawing:
1) Not tested yet (but plan to). According to radon area maps I have seen, there is low risk and/or acceptable levels of radon.

2) Yes. It overhangs by ~4". It is on a platform, so it sits 1" off the floor. None of the 3 "feet" of the water heater are directly above the sump hole.

The yellow box on the wall is the breaker panel, the orange/red outline is the NEC clearance for the breaker panel.

3) There is a sump pump in the pit, and the furnace/AC condensate line runs to it, against the wall below the panel. Technically, it is "behind" the plane of the panel. This job was permitted and passed inspection (more on this in response to question #5)

4) Yes, furnace is condensing direct vent, WH is direct vent, both pull outside air.

5) Pretty much correct. Haven't decided on exactly on what type of door system. 3 mirror sliding doors, 3 solid sliding, etc... most likely no center post. They will be hung from a partial wall dropped from the ceiling.

The only NEC code that came up in my research was the required clearance around and in front of the panel. Electrical only goes above the panel, the only water (condensate line) crosses well below, almost at the floor, and is just behind the plane of the "clearance box". I figured that is far less of a tripping hazard than routing it completely outside the clearance area. Either way, work was permitted and passed inspection. In my eyes, it made the most sense, and doesn't seem to be a hazard. Inspector didn't have any negative comments, and said the work was done very well.

It is permissible to run water lines directly above the box (at a certain height clearance) but I would never do that.
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Old 01-18-2019, 06:51 AM   #63
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


I think a more immediate concern (what has been bugging me lately) is the clearance/accessibility of the shower controls/fixtures. The cavity is about 32"x19.5" (excluding framing).

Pink on floor/wall is 2" xps.
Yellow rectangles on floor are 2x4 (3.5" wide) framing footprints.
Orange line is 19.5"
Black line is 32"
Green line is 16" (don't think full 2x4 framing is necessary on the left side. 2" xps covers code required insulation in my area for finishing basement)
Purple line is 12.5"
Red line is 10"

If the washer/dryer are stacked that will not be immediately accessible for emergencies. Perhaps a smaller panel in the bathroom could provide access to shower water valves in an emergency. If further work is required, lower access panel on the laundry side.

The design is intended to make room for the possibility of side by side laundry, regardless.

Or is it time I reevaluate my decision to not put shower plumbing on the other side of the shower? It could likely make overall drain plumbing and venting significantly more complicated.
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Old 01-18-2019, 10:14 PM   #64
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Re: Need inspiration/ideas on bathroom layout, with cast iron stack


I don't see a huge concern if you have a good 16" chase behind the mixing valve. You might not need that framing next to the block wall (within the chase). Maybe even continue the wall behind the W/D all the way to the block wall for looks. If you don't want a noticeable panel bathroom side just frame the studs to allow an easy cut for an opening later.
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