Author Info Michigan Pipe & Valve, Flint MIProduct Tags: S1E PipePatch Quote βIn the City of Flint, MI I spoke with the Sewer Super Attendant. In his calculations it cost roughly $5,500 dollars to go to a street and dig-up a shallow sewer to make a repair. In contrast, by using the PipePatch system he can go to the same repair and do the job for roughly $1,500.β β Michael J. Deneen Michigan Pipe & Valve - Flint, MI