Construction Notice: SEWER LINING AT KEELESDALE STATION

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August 14, 2018

Beginning as early as August 19, 2018.

Sewer lining work takes place on a 24 hour schedule.

 

WHAT WORK IS TAKING PLACE? 

To increase the durability of local sewers during excavation operations at Keelesdale Station, sewer sections in the vicinity of station construction zones will be lined using the Cured-In-Place Pipe (CIPP) process. 

 

SEWER LINING WORK

  • A new work zone will be set up in the roadway as depicted in the map below. The work zone will be used to accommodate the machinery used to insert the flexible lining membrane into the sewer, including a generator, boiler, compressor and sometimes a hydro-vacuum truck. This will be in place for approximately 1 week.
  • This new work zone will reduce the available lanes of traffic on Eglinton to one in each direction.
  • Lining operations will temporarily seal property sanitary lines to the main sewer. 

Keelesdale workzone for sewer lining

WHY USE THE CIPP PROCESS FOR SEWER LINING?
The CIPP process is a minimally invasive method of sewer repair and rehabilitation that is commonly used throughout the City of Toronto. Using this process allows us to complete the work through existing maintenance holes without excavating the entire sewer up through the road.

 

THE SMELL OF SEWER LINING RESIN
The CIPP process for sewer lining work uses a synthetic resin called styrene.  

 

When the resin is heated during the curing process, it has a very distinct chemical smell, sometimes described as bitter-sweet. While the smell is unpleasant, it is not harmful.

 

You can prevent/minimize the odour from reaching your property by ensuring that you have water in your plumbing P-traps and floor drains. You may also wish to cover the floor drain with a wet cloth and place a flat heavy object over the drain.

 

For more information on styrene, please visit the Styrene used in Cured In Place Pipe Relining page on the City of Toronto Environmental Health website.

 

What to Expect

  • Residents and businesses near the work zone can expected to hear noise from generators, compressors, hydro-vacuum trucks, and other construction equipment.
  • An unpleasant chemical odour may be noticeable during the sewer lining work, both in the vicinity of the work zone and sometimes in the buildings connected to the sewer being worked on. It is not harmful.
  • In very rare occasions, during the cleaning and preparation process, air pressure in the sewer can cause water to splash out through toilets, sinks or floor drains.  While this is highly unlikely, you can prevent any instance of it occurring by taking the following precautions:

-Close the lids on all toilet bowls when not in use.

-Insert drain plugs in all sinks and bathtubs when not in use.

-If you have a float plug in your floor drain or a backwater valve installed in your house, ensure that it is free of debris and operating properly.

-Wrap the cover of your basement floor drains with plastic (i.e. a freezer bag). Place something heavy over the floor drains to keep the plastic covered floor drain covers in place.

For more information, please contact Lancefield Morgan at the West Community Office.

Thank you for your continued patience as we work to build this important project.

Please support your local businesses during construction.

 

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