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View attachment 1742963

How would you decipher these drains? They aren't (yet connected) to anything, but they obviously had something in mind.

I'm assuming gravel pit on the left was for a main water line.


#2 is (obviously) for a toilet.
#3 - Shower?
#1 - The only popular in some places sink behind the toilet?
That would be my guess, but where is the water supply?
 
LOL depends what you call fun and relaxing. The snow/ice has finally melted, so I've got a chicken coop to move, about 100 miles of fence to build... Lots of odds and ends in this shop (electrical, frame a man door, blah blah blah.

Fun but not relaxing.
I had a small acreage. Had big ideas. No support. Gave it up after 18 years.

Hope this works out well for you. Sincerely.
 
View attachment 1742963

How would you decipher these drains? They aren't (yet connected) to anything, but they obviously had something in mind.

I'm assuming gravel pit on the left was for a main water line.


#2 is (obviously) for a toilet.
#3 - Shower?
#1 - The only popular in some places sink behind the toilet?

The "gravel pit" looks like what we call a slab "leave out" which is just an area where something needs to be added that wasn't in place for whatever reason when the slab was poured, it's boxed-out and poured back later. If it's what I think it should've been wrapped up before you did your epoxy coating. Doesn't make sense to me that it would be for water supply. You'd either stub the line into the building or install a sleeve to fish it in later- but leaving that large an area open doesn't make sense to me. Curious, why the slab was poured over rock instead of compacted fill? Hopefully there's a vapor barrier under it...

As mentioned, your builder has to have dimensioned drawings for the underground rough-ins. No one would/could do the work without it... Water closets need to be 15" off the finished face of the wall- you need to know exactly where that is before you can stub up the pipe.

#1 could be a sink drain, but it doesn't look to be offset enough from where tank for the toilet will be.
#3 possibly the sanitary vent. IF it is, needs to be extended through the roof or possibly a studor vent could be used instead (ask the plumber).

Anyway, I'm happy to help in any way I can, Aaron. I'm a Project Superintendent for one of the largest and oldest commercial General Contractors in the state and have been in the business over 40 years. Feel free to PM me if I can be of assistance. Good luck with the build.
 
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The "gravel pit" looks like what we call a slab "leave out" which is just an area where something needs to be added that wasn't in place for whatever reason when the slab was poured, it's boxed-out and poured back later. If it's what I think it should've been wrapped up before you did your epoxy coating. Doesn't make sense to me that it would be for water supply. You'd either stub the line into the building or install a sleeve to fish it in later- but leaving that large an area open doesn't make sense to me. Curious, why the slab was poured over rock instead of compacted fill? Hopefully there's a vapor barrier under it...

As mentioned, your builder has to have dimensioned drawings for the underground rough-ins. No one would/could do the work without it... Water closets need to be 15" off the finished face of the wall- you need to know exactly where that is before you can stub up the pipe.

#1 could be a sink drain, but it doesn't look to be offset enough from where tank for the toilet will be.
#3 possibly the sanitary vent. IF it is, needs to be extended through the roof or possibly a studor vent could be used instead (ask the plumber).

Anyway, I'm happy to help in any way I can, Aaron. I'm a Project Superintendent for one of the largest and oldest commercial General Contractors in the state and have been in the business over 40 years. Feel free to PM me if I can be of assistance. Good luck with the build.
Thanks. Good info.

There is a vapor barrier under the loose gravel.


If it wasn't clear earlier, I bought the place like this. I suppose I should figure out where my city/county building is and I can get the plans/permits that were submitted and maybe get some clues. I'll have to get a plumber here regardless to quote me on finishing these drains to the septic and getting water supply lines run. I bet they'll know or have some ideas what this is all for.
 
View attachment 1742963

How would you decipher these drains? They aren't (yet connected) to anything, but they obviously had something in mind.

I'm assuming gravel pit on the left was for a main water line.


#2 is (obviously) for a toilet.
#3 - Shower?
#1 - The only popular in some places sink behind the toilet?
2) Could be a water closet is it a 3” line? How far off the wall finish of the wall behind is it? You will need to chip the slab out to install the closet flange.
3) Is anyone’s guess?
1) Is probably a vent for either 2 or 3. Hopefully #2.

I would dig around the area where the slab is boxed out on the left. The sewer to the toilet will often be boxed out like that so the closet flange can be set to hight and location after the slab is poured, then infilled with concrete prior to flooring.
 
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Thanks. Good info.

There is a vapor barrier under the loose gravel.


If it wasn't clear earlier, I bought the place like this. I suppose I should figure out where my city/county building is and I can get the plans/permits that were submitted and maybe get some clues. I'll have to get a plumber here regardless to quote me on finishing these drains to the septic and getting water supply lines run. I bet they'll know or have some ideas what this is all for.
Explains a lot- didn't know the structure was already there when you bought the property.

My advice would be to tread very carefully with your Bldg. Dept. initially unless you're sure all is in order.
If some of the work was done without without proper permitting- especially since you indicated you're out in the boonies could be problematic. Seen it happen... Some rural jurisdictions might not GAF, but you never know. I'd find some sort of discrete way to check to see what, if any permits were pulled for your propery initially.
 
My first pole building was framed like yours, I just built 2x4 walls between the posts to fur it out for sheeting. The benefit to it was you can fit r30 in the walls. I did an addition and did “commercial style girts” instead of on the outside of the post they were on their flat in between the posts on 2’ centers this made it easy to insulate and to sheet. Looks like a sweet shop man. Gotta add couple windows for shooting bench if you have room!
 

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