what can i wrap sewer pipes in to contain smell

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 Radon mitigation through sewer vent/and bankroll up sump system?
Writer: radonmama (CO)

O.Thousand. I know nada about plumbing--my husband even less--so that'southward our footing for starting here. I'm kind of in charge of all the household repairs and so I promise some kindly proficient plumbers will reply this post.
We take two sump barrels in our finished basement. One appears to be for perimeter water (considering it turns on every time it rains) and one appears to be for sewage. (I didn't know yous had sewage sumps--I thought the waste went straight to the septic system.) Maybe it's there considering of the basement toilet, tub, and sinks, but peradventure all the sewage waste from the house goes through at that place. I don't know.
Anyway, there is a two inch pipe that seems to be a vent piping for the sewage, although I don't know how much gas would escape through it, because it goes up through the upper ii stories. Co-ordinate to the owner'due south manual which came with the house, that pipe was for radon mitigation. But I'thousand wondering if it was just a sewer vent pipe. (All the radon guys say radon is supposed to vent through a 4" piping.)
Anyway, there was likewise a four inch PVC pipe stubbed up out from under the slab and covered with duct tape which was supposed to be for radon mitigation if needed.
Our radon levels were high (12) so we had a radon man put on a radon fan. He connected it to the stubbed up iv" pipe and y'd it into the two inch pipe about 20" up from the top of the sewer sump comprehend and sealed all around the edges and holes of both sumps. The radon level went down to 3. Hooray!
However, now information technology seems that there is some positive pressurization in the sewer sump pit, and I'1000 afraid we have some sewer smell coming out. Two little kids were over the other day and said it smells down in that location in the fiddling room nether the stairs where all this equipment is.) I lost most of my sense of smell years ago due to a viral infection.
So. My questions are:
1. Do sewer sumps have vent pipes? If then, how do they work, given that there is no fan on them and the sump covers are not tight plumbing equipment or 100 per centum sealed? Does the sewer gas somehow migrate upward through the piping through the upper ii stories and out the roof? If that is a sewer vent piping, is it adviseable to also vent the radon through information technology? Exterior on the roof in that location is a 2" pvc pipe and a iv" pvc pipe sticking upwardly pretty shut to each other above this whole functioning. There are two bathrooms above the basement one, also as one located in a completely different part of the house. In that location are no pipes sticking upward from the bath in a different role of the house.
two. Is the sewer sump there considering the basement fixtures need a below gravity place to drain to? Is it likely that the whole house uses that sump pit? When we bought the house, the original owners said not to use the water or toilet in the basement during ability outages, but we can use the upstairs ones, so that leads me to believe that the upstairs waste water goes to the septic tank without going through the sump starting time.
3. How do I "back up" these sump pits? The business firm is 8 years erstwhile. The basement is finished and rented. It seems simply a matter of time earlier there is a power outage during a pelting tempest or 1 of the pumps fail from old historic period or mechanical difficulties.

I've called on the plumber who originally plumbed these houses and asked him to come and explain the whole thing to me-for pay of course! But he won't return any of my calls. So, I suspect something was not done correctly in the beginning. Also, the radon man is not a plumber so he tin can't answer my questions.

Thank you for any insights you lot tin share with me!

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Writer: dlh (TX)

are tehse fans all the same going or at to the lowest degree hooked upwardly? if so then that could exist the cause. another crusade could be the fans sucked out a trap seal maybe?

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Writer: redwood (CT)

You need to a skillful plumber and a good radon contrator over to sort out this mess! Radon blowers do non go on DWV lines under any cicumstances!

A few years agone I did a job at a house where I constitute this same situation. There was allegedly radon mitigation pipes installed but all I could see was a rough in for a basement bath that the blower had been hooked up too. In that location was issues as to whether there were whatsoever radon mitigation pipes installed at all and who was at fault... Builder, Plumber or, Radon Contractor.

I spoke to the home possessor well-nigh it and brash her to call the radon contractor that did the work and play dumb nearly it and merely say I thought information technology was hooked up that way. At starting time he said there was no way possible that he had hooked his fan onto the DWV system. Then evidently he idea better well-nigh it and called right back saying he was coming over. She said he got a little pale and asked if any of her kids had been sick! She told me she thought that was a pretty impaired movement as far as liability went.laugh

This home had a lot of issues in it and basically I was there to figure what all was done wrong. The womans married man had been recalled to active duty in Iraq just equally the home was completed and in that location was I believe some idea of taking advantage of the situation by the GC. I think the best find that day was a septic tank installed over 6' deep underground with no risers in articulate violation of the lawmaking hither. That ended up being fixed by the town equally their inspector had allowed it!laugh
Needless to say at that place was a lot of piece of work washed at no charge and they ended up happy.

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Edited 1 times.

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Author: packy (MA)

that is totally wrong and must be removed immediately at his/her expense. call the plumbing inspector to study this. exercise whatever y'all have to to become this person in trouble.
if information technology was washed at your house, it may have been washed in dozens of other houses. this is bad, really bad....
i repeat, this person must be called into the local board of health and asked what other locations this was washed in.

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 Re: Radon mitigation through sewer vent/and backing up sump arrangement?
Writer: jimmy-o (CA)

To summarize, a sewer sump is a sealed tub, to proceed the aroma out of the firm. Therefor, it must accept the vent pipe rising upwardly and out through the roof. Otherwise, every bit waste matter tried to catamenia in, a pressure would build up, and as the pump tried to pump out the waste, a vacuum would exist created. The vent pipe, which you take, takes care of this. Therefore, information technology is improper to discharge a fan powered catamenia of air into this vent pipe. It alters the natural functioning of the vent.

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 Re: Radon mitigation through sewer vent/and backing upwardly sump arrangement?
Author: waukeshaplumbing (WI)

was the 4" pvc pipe for radon or was it for your time to come toilet?

that is the large question

ive never seen a 'futurity' radon pipe.

if you had permits pulled for radon im sure the plumbing inspector would accept noticed they hooked it onto the toilet piping....is there a sink and shower pipe(2"winking smiley sticking up near this four" pipe?

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 Re: Radon mitigation through sewer vent/and backing up sump arrangement?
Writer: radonmama (CO)

Hi. The toilet is already installed as are the sink and the bath. The four inch just goes down nether the slab and ends there.
Thanks for your reply.

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Author: radonmama (CO)

Thank you for your reply. The radon fan is withal going and the seals wait good.

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 Re: Radon mitigation through sewer vent/and backing upwardly sump organisation?
Author: radonmama (CO)

Thank y'all Redwood for your answer. I noticed you are replying to lots of folks. I capeesh your service to this chat.

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 Re: Radon mitigation through sewer vent/and backing upward sump system?
Author: radonmama (CO)

Thank yous Jimmy O for the clear understanding of what that pipe is for. Information technology looks as if we'll have to re-route that radon mitigation to the outside and run a pipage up through the roof.

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Author: packy (MA)

information technology is common do around cape ann to install radon vents under the basement slab. these are brought to an area and covered with duct tape.
if in the future there is radon gas discovered, the vent are run outdoors with a fan to push out the radon.
the gases exercise not need to exit from the roof.

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 Re: Radon mitigation through sewer vent/and backing upwardly sump system?
Author: radonmama (CO)

Cheers Packy. We accept windows in a higher place this area, so I think we'll accept to go out through the roof.

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 Re: Radon mitigation through sewer vent/and backing up sump system?
Author: hj (AZ)

I was nether the impression that the Radon scare had been replaced by something else. At least here it has go a non-issue for many years, one time the initial hysteria went away.

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 Re: Radon mitigation through sewer vent/and backing upward sump organisation?
Writer: redwood (CT)

It was after information technology became common cognition that many of the homes that had been tested with "high" levels of radon gas were vacant and had been airtight up for extended periods of time. When a house was occupied the aforementioned house that had tested "high" earlier and then retested "low" considering the elementary act of people going in and out of the door mitigated the radon problem. People stopped buying into it!

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 Re: Radon mitigation through sewer vent/and backing up sump arrangement?
Writer: jimmy-o (CA)

Geeez. I never knew we had radon in that neck of the wood when I was growing up. Is that why I accept 6 toes???

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 Re: Radon mitigation through sewer vent/and backing up sump organisation?
Author: redwood (CT)

It just gives you lot better balance!laugh

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 Re: Radon mitigation through sewer vent/and bankroll upward sump arrangement?
Author: Greyghost (NY)

Unfortunately, the belief that a house that has been airtight upward for a long time will accumulate radon is just a myth. Radon has a half life of only 3.viii days (thats the good news); the bad news is that uranium 238 (which is where Radon comes from) has a half life of 4.five BILLION years. Simply put, an cantlet of Radon that enters a firm on whatever given day volition exist "safety" in three.8 days & no longer capable of causing an elevated Radon reading. Still, that atom of Radon that just lost information technology's radioactivity has already been replaced by a (new) radioactive one. The only reasons for vastly unlike readings would exist tampering, failure to follow radon testing protocols, testing in dissimilar areas of the home, or severe weather (loftier winds or extremely depression barometric pressure). Normal (minor) variations occur seasonally and daily (diurnal rhythm).

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