On 4/6/2011 9:23 AM, RogerT wrote:
I am going to be replacing a small section of underground sewer pipe that
runs from the front of my house toward the street. The existing underground
sewer pipe is 4-inch cast iron. I will be using PVC to replace the line
from the front of my house and connecting to that sewer line about 5 feet
out.

Can I use a Fernco coupling to connect the new PVC to the old underground
cast iron sewer pipe?

If not, how is that type of connection usually made?



when i had a similar situation, i drove about 10' of 3" INTO the 4" cast
and that was the extent of my connection. MY connection was under a
basement floor, so being out in the yard where little tree roots can
(and will) go anywhere, you might want to pack such a connection with
tar and wrap with some asphalt shingles or something to prevent the root
infiltration.

--
Steve Barker
remove the "not" from my address to email