3" house (building) drain allowable. 4" building sewer line needed for house from sewer main.
Your sewer line isn't properly vented.
The drain pipe has a blockage somewhere downstream from where the toilets are connected to the main sewer line from the house. All the drains in a house normally connect to one main line that either goes to the city sewer system or your septic tank. If you know where the sewer line exits the house, you could check there to see if the blockage is in the yard. Most sewer blockages are caused by tree roots, broken fittings, or crushed pipes. Good Luck
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.
A typical house drainage layout includes pipes that collect wastewater from sinks, toilets, and showers and carry it to the main sewer line. The main sewer line then connects to the municipal sewer system or septic tank. The layout also includes vents to prevent sewer gases from building up and traps to prevent odors and gases from entering the house.
the toilet overflows if either the building sewer, branch line in your sewer system or trap in your toilet gets clogged.
The estimated cost of a new sewer line repairs would run you about $5500.00 dollars. It will keep the sewer and your toilets running smoothly without any clogging.
A typical house drain diagram shows the layout of pipes that carry wastewater away from sinks, toilets, and other fixtures in a house. It typically includes pipes for kitchen and bathroom sinks, toilets, showers, and laundry machines, all leading to a main sewer line that connects to the municipal sewer system or septic tank. The diagram may also show vent pipes that help prevent sewer gases from entering the house.
The sewer cleanout is typically located on the side of the house near the main sewer line.
Install a one way check valve in the line from the house to the sewer.
Common signs that indicate the need for sewer line repair include slow draining sinks or toilets, gurgling noises coming from drains, foul odors in the yard or basement, sewage backups, and pooling water around the sewer line.
Every fixture sonnected to a sanitary or waste or soil line needs to be trapped and vented
A home plumbing diagram typically includes the main water supply line, individual water lines to fixtures like sinks and toilets, drain lines, vents, and the main sewer line. The layout shows how these components are connected and run throughout the house, usually starting from the main water line and ending at the main sewer line.