Hello,

Here is a link to images.
http://imgur.com/a/GQ8Bd

I am a slightly handy young man with limited plumbing experience building a dry stack house on an extremely tight budget, [I'm a teacher]. It is loft style, so really tiny, about a thousand square feet. I am struggling to find all of the answers I need because I will not be running piping in the walls.

http://imgur.com/a/GQ8Bd shows an image of the drain system I have planned. The trenches are the footings. Will this work? I understand the slope issue, I am asking about the layout.

I am getting mixed information about the size to use for the drains. 1 1/2" for sinks? 2" for showers and tubs? What about toilet?

Where do I have to have Clean outs?


Ok, on to venting.

Since I have to come up six inches about the highest point of the fixture and I can't put them in the walls I was hoping I could just run them to the top of the room exposed inside and meet them up and then vent outside. I am hopelessly lost on wet venting horizontal venting so I pretty much vented everything independently, not sure if all of that is needed. I understand I need to vent them within so many feet of the trap. Will this system for venting work? Will it pass inspection? The office is not being helpful.


Ok, on to supply.

I am hoping to run PEX line below the concrete, red blue to each fixture. Because I have drain lines running everywhere planning supply lines seems to be a nightmare. I have to be one foot above them when I cross them so I guess this means I just need to put my drain lines really deep? I have heard mixed issues with running the line in protective piping. I was planning on only using sleeves when crossing a drain line and when penetrating the concrete. Can I just run the lines 4 inches or so below the slab while one foot about the drain pipes and backfill over them with sand?

Again, I am not sure on what the best size supply lines for the different fixtures should be.


Since the whole set up is a touch unusual, where do I have to have clean outs?

I appreciate any advice you can offer me, even if you cannot answer everything.

I appreciate your time,
Nicholas Miller

Where are you located and have you tried to pull a permit? Codes are going to be tricky because you are basically asking all of the questions a plumbing apprentiss would spend a few years studying. Toilet 3" or 4" . Drain slope is 1/4" per foot for pipe smaller than 4", 4" pipe requires half that slope or 1/8". Your PEX is not just below the concrete but several inches below and covered with gravel. When buying fixtures they will most often tell you the size of the line to erun. Basically supply lines are 3/4" and drop in size as they branch off to a fixture unless you plan a Roman tub which will want 3/4" all the way. There are several plumbers here who will help you further but we all need to know where you are building and a bit more regarding what you mean by dry stack house.

I just opened your link and it was in Japanese. Do you live in Japan? Back to you, Tom

Photo Album - Imgur (http://imgur.com/a/GQ8Bd) look s pretyy Americxan when I look at it.

Photo Album - Imgur (http://imgur.com/a/GQ8Bd) look s pretyy Americxan when I look at it.
Here's what came up for me,
クリスマスに喧嘩してるカップルのプリクラ拾ったｗｗｗｗｗｗｗ - READ2CH
Read2ch.com › 雑談系２ › ニュース速報(VIP) - Translate this page
2011年12月25日 – http://imepic.jp/20111225/851330; 16：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日)... にかわりましてVIPがお送りします[] 2011/12/25(日) 23:43:29.31 ID:P/gQ8bds(1): ベストフレンド... http://i.imgur.com/QTrli.jpg...

Even when I click on the link you have copied I am getting a fully Americanized link with no Japanese. Tom, try some other links, baybe your brouser changed languages. http://imgur.com/a/GQ8Bd

Here tiz!
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2：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日) 23:36:32.54 ID:Q+7MzoAH(1)
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?????????????? ?? iPhone Android ??????????? (http://imepic.jp/20111225/851330)
16：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日) 23:39:57.28 ID:dvRwmBpk(1)
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17：以下、名無しにかわりましてVIPがお送りします[sage] 2011/12/25(日) 23:40:08.03 ID:mlkc3GQ4(1)
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19：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日) 23:40:34.49 ID:69EwC/mg(2)
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20：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日) 23:40:39.86 ID:Vt5GkOG5(4)
>>14
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?????????????? ?? iPhone Android ??????????? (http://imepic.jp/20111225/853290)
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37：以下、名無しにかわりましてVIPがお送りします[sage] 2011/12/25(日)

That is so weird Tom. Here, try this link Apple Canyon Lake Property Owners Association (http://www.applecanyonlake.org/announcements/) should be my lake and all in English. Does it work for you?

That link got me there. Where's Apple Lake located? What comes up when you try my link ?
クリスマスに喧嘩してるカップルのプリクラ拾ったｗｗｗｗｗｗｗ - READ2CH
Read2ch.com › 雑談系２ › ニュース速報(VIP) - Translate this page
2011年12月25日 – http://imepic.jp/20111225/851330; 16：以下、名無しにかわりましてVIPがお送りします[] 2011/12/25(日)... にかわりましてVIPがお送りします[] 2011/12/25(日) 23:43:29.31 ID:P/gQ8bds(1): ベストフレンド... http://i.imgur.com/QTrli.jpg..

ACL is 50 minutes west of your ols stomping grounds, north of Stockton. When I opened your first link is can't be found. The second one is two young oriental men. Neither link is the exact link given by the OP. http://imgur.com/a/GQ8Bd , maybe try typing the link in your brouser rather than copy paste, just see what happening.

I am building in St. Landry Parish, Louisiana.

Dry stack construction ( DryStacked Surface Bonded Home Construction with Dry Stacked Block Walls - Wall stacking movies (http://www.drystacked.com/) ) entails conventional concrete blocks simply stacked (no mortar joints), and then locked into place by a coating of Surface Bonding Cement that is applied to both the inside and outside of the walls. Vertical rebar and concrete fill is installed inside the blocks every 32", in addition to every corner of the house and flanking every window and door. So much of our walls will be filled. Thus the decision to install exposed plumbing and electrical. We will not be furring out any walls, as we don't mind the industrial look of everything being out in the open.

We already have a building permit and have signed paperwork saying that we are own contractor. Our permit office told us that for the scale of our project, we do not need to have a licensed professional do the plumbing and that we are to follow Louisiana State Plumbing Code 2000 Edition ( bulk.resource.org/codes.gov/la_plumbing.pdf )

Hi Nicholas and Welcome to The Plumbing Page. At AskMeHelpDesk.com. Boy. Am I ever glad you chimed in. To me a "dry stack" means a plumbing stack with no water in it. Thanks for the education. Can you further help me to explain where all that writing from Japan came from? Bye the way. Do you have a plumbing question? Regards, Tom