Cos Cob road closes for sewer project starting Sept. 23

The Board of Selectmen has approved the temporary closure of a road in Cos Cob next week as part of the ongoing water main replacement project.

This project has been impacting Strickland Road to Sound Shore Drive over the past months. Now, in order to allow for the final stages of the installation of the replacement sanitary sewer force main, the town has approved the closure of the roadway leading from the Cos Cob pumping station to Sachem Road.

Currently, this is scheduled to go into effect on Monday, Sept. 23, for the next four to six weeks.

This is being done as part of the project to replace the Old Greenwich common force main. This is one of the segments that’s being replaced and, according to Richard Feminella, the town’s wastewater division manager, the closure is needed to install the last piece underneath the railroad bridge on Sound Shore Drive. Temporary bypass piping will need to be put in above the ground during this portion of the project in order for the force main to be able to continue operating.

“The piece from the pump station to the north side of the railroad bridge on Station Drive has been completed and tested,” Mr. Feminella said. “We did from south of the bridge on Sound Shore Drive up to Sachem. That’s complete and is currently being tested. This is the last piece left and it’s the short section underneath the railroad bridge itself.”

The road has to be closed for the bypass piping to be put in place and excavation will have to be done for the removal of the old pipe and the installation of the new one. Mr. Feminella said that his department’s estimate is that this can be done in four weeks, but is asking for six weeks in case there are any delays.

“There’s a lot of unknowns,” Mr. Feminella said. “We could hit other obstructions.”

He added, “We’re confident we will have this done this fall. The line will be operational and we can do the final paving and restoration in the spring.”

This will not impact any of the parking lots in the area and they are expected to remain fully open. Additionally temporary crosswalks will be painted onto the road to help pedestrians. Mr. Feminella said there has also been coordination with Connecticut Light and Power (CL&P) to make sure everyone is on the same page, because the utility is expected to do duct bank work immediately after the force main portion is complete.

CL&P will have to come to the Board of Selectmen for a separate approval for that work.


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