Fiscal Note
No Appropriation Required
Title
Approving temporary construction work with associated noise impacts between the hours of 7:00 PM and 7:00 AM for work associated with Madison Metropolitan Sewerage District West Interceptor Rehabilitation Gammon Extension to PS05 Project (Lake Mendota Drive from Baker Avenue to Spring Harbor Park). (11th & 19th ADs)
Body
PREAMBLE
The Madison Metropolitan Sewerage District West Interceptor Rehabilitation Gammon Extension to PS05 project intends to rehabilitate approximately 3,560 linear feet of 18” diameter sanitary sewer located in Lake Mendota Drive from Baker Ave to Spring Harbor Park. The curing method associated with this project does not allow for all construction activities of the project to take place during the normal working hours of 7:00AM and 7:00PM. Construction activities will commence between October 2018 and May 2019 and will take approximately 6 weeks to complete. Work days will begin at 7:00 AM but because of lining cure times and sanitary lateral reinstatements, the work days when CIPP lining is completed are expected to extend into the evening hours.
Madison General Ordinance section 24.08(3) provides the Common Council the ability to allow construction activities outside of the hours of 7:00 AM to 7:00 PM with the passage of a resolution and a hearing before the Board of Public Works. It is anticipated that the Contractor performing this work will call for permission to perform the work required to cure in place line segments of sanitary sewer interceptors in Lake Mendota Drive outside the hours of 7:00 AM to 7:00 PM because:
1. The CIPP process may exceed the twelve (12) hour window provided by the General Ordinance.
The proposed activities beyond the hours of 7:00 AM to 7:00 PM are as follows:
1. Hydraulic cleaning of the sanitary sewer main sections to be lined to remove any accumulated debris prior to lining;
2. Conducting a closed-circuit inspection of the sanitary sewer mains to b...
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