Faced with replacing 500 feet of an...

Faced with replacing 500 feet of an outmod undersize, 8-inch sanitary sewer line with 10-inch pipe for increased carrying capacity in a heavily traveled commercial and residential a real Vienna, Va., deflected to trenchless technology.

The existing sewer line, used to service about 300 residential units, ran beneath a commercial parking portion and connected to a 10-inch sanitary sewer located beneath a main arterial feeder for the area's roadway theory

Originally, the plan was to exhibit cut the parking lot to install replacement line. After investigation, however, it was determined that lay open excavation would pose a danger to existing building footer Trenchles replacement also avoided disruption of parking and access to businesses located in the construction area.

The pipebursting orderly disposition of rehabilitation was selected because it originates a larger line.

It also permitted upgrading to fresh continuous polyethylene piping that would improve result characteristics and correct ...