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Q: What are the codes for house sewer under basement floors?
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How do you prevent sewer line backing up into basement?

Install a one way check valve in the line from the house to the sewer.


The overflowing sewer water made the house malodorous?

Yes, it will do that. It is also unsanitary. You should have your floors professionally cleaned.


You want to install shower in the basement tying into the main drain for the house should there be some kind of backflow preventer installed between the shower trap and the main line to prevent backup?

If the existing sewer line is lower than basement grade (does it go into the basement floor and out of the house?) you can just connect in to the existing drain. By code, sewer lines must have a slope of 1/4 inch per running foot, meaning that raw sewage will run AWAY from the main plumbing stack of the house. If the sewer line is ABOVE the level of the basement plumbing fixtures, you will need to purchase and install a pump check-valve, and tank to install any plumbing below the house sewer line. If you have any questions, contact a licensed plumber to find out the needs of your home.


How do you prevent the sewer drain from flooding the basement?

You hire a plumber to put in a one way sewer drain valve.


How do basement toilets flush?

Either they are on a separate sewer line and connect to the main sewer line later on or they sewerage is pumped by means of a machine into the main sewer line.


How do you find a basement sewer trap?

You can easily find the main sanitary sewer trap by locating the fresh air inlet which is located no more then 4 feet behind the building house trap. It will be 1/2 the size of the main sewer but in no case less then 3" and 12" above grade min.


Raw sewage in basement only when cold outside?

Frozen sewer out side


Sewer smell in the basement when it rains?

A sewer smell in your basement when it rains could indicate a problem with your sewer system or plumbing. It could be due to a damaged sewer pipe or a blockage causing sewer gases to seep into the basement. It is important to have a plumber inspect and address the issue to prevent any further damage or health hazards.


Why would basement washing machine back up from septic?

there is a blockage in your sewer line


What is the function of ejector in steam turbine?

An ejector pump is a tool used usually in basements when the sewer fails to flow beneath the basement floor. Basically the function of this tool is to pump water so that the sewer in the basement could work continually.


What size main sewer line is required to have 3 toilets in a house?

3" house (building) drain allowable. 4" building sewer line needed for house from sewer main.


Your sewer outlet is lower than the main sewer lines what are your options?

A little more detail about the sitsuation would help. New construction, remodel, sewer outlet in the house to street or sewer outlet in house to main going out of house.