Sanitary Sewer Line Replacement Elm St and Allowance Ave SE

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105 year old sanitary sewer main must be replaced due to poor condition

April 26 News Release - Single Lane Traffic Begins on April 29 on Allowance Avenue Overpass 

Project Description

  •  In 2017, a sewer video inspection revealed that the 105 year old sanitary sewer mains beneath the Allowance Avenue overpass at Elm Street SE are in very poor condition.
  • These mains require replacement to avoid a costly and disruptive repair in the future. Work to replace them begins this week.

Project Benefits

  • Once replaced, the new mains will ensure the reliability of sanitary service to customers, and will minimize the likelihood of sanitary line collapse or backup occurring in this location.

 Timing and Traffic Accommodations

  •  On April 23, crews will begin preparations for the project.
  • Elm Street SE will be open to local traffic only from Woodman Ave west to the bulb.
  • The bulb adjacent to the overpass will be closed during construction
  • The entire project is estimated to take five week to complete

VIEW LOCATION MAP (PDF)

 Beginning April 29

  • Once initial preparations are completed, travel on the overpass will be converted to two-lane traffic for approximately three weeks as long as there is good weather and no unforeseen delays.
  • Meridian crossovers installed at the north and south ends of the overpass will facilitate traffic moving through the detour during construction.

VIEW DETOUR MAP (PDF)

Description of methods used to replace sanitary mains

  • To replace the sanitary mains, a method known as directional drilling will occur under the overpass.
  • A trenchless replacement method will be used to replace the mains. 

VIEW A VIDEO SHOWING THIS METHOD

We thank everyone for your patience as this Infrastructure Renewal project is completed. Please drive safely in the work zone to keep workers safe.

For further information, please contact:

 

Environmental Utilities Department
City of Medicine Hat
403.529.8176