Is this a house trap?

Mad Dog_2 · May 19

The repiping I saw was in PVC with no House Trap…fill me in…??? Mad Dog

bdp1999 · May 21

This one is at my house. Getting both dont since traps are obsolete and companies won't camera or hydro just if the house has a trap.

bdp1999 · May 21

The only problem now is that the pipe with the wye seems to be the main drain for the house. When flushing and running water, it all seems to go through the castiron pipe. The one that had the trap doesn't seem to drain out anything. Could it be the downspouts drain? It contained a lot of roots coming from under the house.

bdp1999 · May 21

It also had a 5" that converted into a 4" at the trap.

mattmia2 · May 21

what started this whole project? was the sanitary sewer backing up?

there is likely drain tile around the perimeter of the foundation either outside or inside the wall that comes together under the basement slab and either goes out to a separate storm sewer under the street or possibly combines with the sanitary sewer in to a combined sewer under the street. if it is a combined sewer you may be required to replace the stormwater portion with a sump pump that moves the water outside depending on local regulations.

bdp1999 · May 22

It must combine somewhere outside the house and inbetween the street, but why would the stromdrain have a trap and not the sewage line? I have had root issues, snaking it 1-2 times a year. Our city eleaviated stromdrains years ago. So they've all been sealed. I hear they usually crack underground and cause root issues. That might have been what I partially removed.

All an all, the problem is outside of the house and the house trap has been removed and replaced with a sanitary pipe. So there should be no problem using a camera or hydro jet.

mattmia2 · May 22

if it is a combined sewer the trap might be before it connects to the sanitary sewer so sewer gas doesn't back up in to the drain tile and downspout leaders. the stormwater part is very likely connected to drain tile around the footing, not just downspout leaders.

bdp1999 · May 22

The Trap is what I removed. Doesn't seem to be before the pipe connect.

mattmia2 · May 22

presumably they go out under the wall toward the main sewer?

is the pipe coming from under the floor where the drain tile around the footing connects together?

bdp1999 · May 22

No, that goes to the floor drains and other utilities.

Mad Dog_2 · May 22

In NYC, we always trap, roof rain leaders, conductors & gutters, yard & area drains, i.e., all Storm Water, clear condensate, et cetera that tie in to a Sanitary or soil line. Mad Dog