Rusted cast iron.
By cutting in a cast iron Wye so the flow enters the sewer line (soil pipe) at a right angle
Yes, they can be opened for routine sewer and drain and leader cleaning
By replacing the piping using either Cast Iron of one of the non ferrous systems available
Yes. I have replaced a lot of old leaky cast iron sewer pipe and always use a sawzall. I use regular metal cutting blades. If you don't have the specific blade handy use bimetal cutting blades.
Yes once it is cleaned and primed
Cast iron is not threaded, steel pipe is.
was asbestos used in production of cast iron pipe
Only a suggestion, but if in doubt use a snap-cutter. In a well ventillated area, methane volatility is a low risk hazard with regards to old sanitary sewer pipe. if you think there might be gases present,you need to wear a proper breathing mask === === I think he meant gases inside the pipe, not in the room the pipe is in.
Depending on what kind of sewer, its age, and the utility owner (Storm Sewer, Gravity Sewer, Sewer Forcemain). - Polyvinyl Chloride Pipe (PVC) - Ductile Iron Pipe (DIP) - Fiberglass Reinforced Pipe (FRP) - High Density Polyethelyne (HDPE) - Pre-Stressed Concrete Cylinder Pipe - Asbestos Cement - Clay - Steel
When I have to connect copper to lead "D" I usually solder the copper to the lead or wipe a lead joint depending on the diameter To connect copper to cast iron ,.... If there is a hub I caulk the copper directly into the CI with oakum and poured lead (molten) OR one can solder / braze a female adapter fitting and screw the copper into a CI female fitting
American Cast Iron Pipe Company was created in 1905.