Greenmeadow Sanitary Interceptor Project

Blast Update: Aug 16

We have received word from the contractor that a rock tunneling blast will occur TODAY BETWEEN 9:30am and 10:30am at the shaft in Lowell Park located to the northwest of the intersection of Madison St and N Grandview Blvd. A second blast is scheduled for later TODAY BETWEEN 3:30pm and 4:30pm.

Also there will be a rock tunneling blast TODAY BETWEEN 11:30am and 12:30pm near the intersection of Joellen Dr and Stewart Hill Dr.


Construction Update - Aug 16, 2019



This project will include installation of a new sanitary interceptor sewer from the intersection of Greenmeadow Dr. and Michigan Ave. to the intersection of College Ave. and Sentry Dr. in 2018 and 2019. This sewer will allow the elimination of the Greenmeadow and Woodfield pump stations.

This week’s work:
• Continued drill and blast work at the Lowell Park shaft back towards the location that the tunnel boring machine stopped. About 100 feet of tunnel blasting complete. Another rock blast is scheduled for Saturday (8/17) around 11:30am to 12:30pm.
• Continued sanitary interceptor sewer installation on Dopp St along with sanitary and water lateral work
• Second underground crew on Joellen Dr continuing north from Stewart Hill Dr towards American Ave
• Began installing 36” diameter sewer in tunnel running from Madison St/Joellen Dr shaft to Joellen Dr/American Ave shaft

Next week’s work:
• Continue drill and blast work at the Lowell Park shaft back towards the location that the tunnel boring machine stopped. Blasting operations down in the tunnel will continue to occur up to twice daily. The blasting operations are well below the ground surface (60-70 feet down) but those nearby may notice a low rumble when a blast is set off.
• Continue sanitary interceptor sewer installation on Dopp St along with sanitary and water lateral work
• Continue second underground crew on Joellen Dr at Stewart Hill Dr and continuing north towards American Ave. Rock blasting operations may also occur at this location daily. Those nearby may notice a low rumble when a blast is set off.
• Continue installing 36” diameter sewer in tunnel running from Madison St/Joellen Dr shaft to Joellen Dr/American Ave shaft
• Begin televising of storm and sanitary sewer on S Moreland Blvd


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Streets with restricted access for the next week:

  • Because of shaft construction at the Madison St/Joellen Dr intersection, traffic on Madison St at Joellen Dr will be shifted over toward the north side of Madison St. At least one lane in each direction will be maintained.
  • North and southbound lanes of S Moreland Blvd between Dopp St and American Ave will have traffic shifted to the outside section of the pavement. At least one lane in each direction will be maintained.

Streets that will have No Access:

  • Joellen Dr at Madison St is closed
  • Joellen Dr between American Ave and Luis Ct is closed to through traffic. Barricades will be staggered to allow for local and emergency traffic access from the north.
  • Southbound lane of S Moreland Blvd between Dopp St and W St Paul Ave will be closed and all through traffic will be directed to the northbound lanes which will be set up to carry both southbound and northbound traffic. Access to homes for emergency vehicles and residents will continue to be maintained in the closed section.
  • Dopp St between Joellen Dr and S Moreland Blvd will be closed to through traffic. Access to homes for emergency vehicles and residents will continue to be maintained in the closed section.
  • Joellen Dr will be closed to through traffic between Dopp St and American Ave. Access to homes for emergency vehicles and residents will continue to be maintained in the closed section.


To keep the project on schedule, the contractor will utilize Saturday for work. Permitted construction work hours are M-F 7am-7pm, Sat. 9am-5pm.


 Jonathan Schapekahm, P.E., Project Manager
 City of Waukesha Engineering Division
 262-524-3584
 jschapekahm@waukesha-wi.gov 

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