Hathaway Drive Sanitary Relief (13432)

As part of a long-term effort to reduce basement backups and sewer overflows, MSD Project Clear is constructing a project to replace undersized sewers in the City of Jennings on Hathaway Drive between Jennings Station Road and Lewis and Clark Blvd.

MSD Project Clear is investing approximately $1 million to improve the wastewater sewers in the City of Jennings. The goal is to reduce basement backups and sewer overflows by increasing the size and capacity of the existing sewer.

• Construction is estimated to begin in February 2023
• MSD Project Clear will replace approximately 1,000 feet of wastewater sewer
• The pipe size will increase to between 8 to 10-inches in diameter allowing a larger amount of wastewater to flow through the system

Type of Construction:

Like with any type of construction, residents can expect to see and hear heavy equipment during the sewer excavation process. The majority of this project will be constructed by a method known as “open-cut construction”. This means that crews will dig through the surface of the ground to excavate and install pipe. To minimize disruptions to adjacent properties and aid in constructability, MSD’s contractor will use tunneling between 9200 Hathaway Drive and 9432 Auburn Drive. The contractor will dig two pits on either side of this section and use a Tunnel Boring Machine to lay the pipe underground with minimal surface disruption.

Traffic Impact: 

As a part of this project, MSD Project Clear does expect traffic impacts to roads in this area. Construction on Hathaway Drive will require temporary lane closures.

Residents may experience temporary reduced access to properties during active construction hours. The Contractor will notify residents prior to any access restrictions and will work to minimize these instances.

Restoration:

After all new sewer pipes are installed, the Contractor will restore the construction site according to all District and local requirements. This could include sodding any disturbed areas, replacing disturbed pavement, reinstalling fences, etc.

This is the current tentative project schedule. This is subject to change based on a variety of factors including weather.

• Project design completion: July 2021
• Easement acquisition completion: Summer 2022
• Estimated construction start: February 2023
• Estimated project duration: 6-9 months

• Project Map
• Hathaway Construction Public Meeting Presentation (1/30/22)
• Hathaway Design Public Meeting Presentation (8/17/21)

Andy Day
MSD Project Manager
aday@stlmsd.com
314-768-2799

Jim Roth
Project Manager
Gershenson Construction
314-373-3032

Please mention the Project Number: 13432