Case Study - Environmental
Client
Georgia Department of Natural Resources
Project
Rehabilitation of Lake to Lake Equalizer Control Pipe
Location
Tifton, Georgia
Description
Vertical overflow control pipe structure is located approximately 18 feet inside the lake in Tifton, GA with problems
of deterioration and infiltration. Infiltration was impossible to stop with cement or chemical grout. Numerous attempts
had been made to solve the problem, with no success.
Solution
Working from a barge the Poly-Triplex Liner was installed. The liner was inflated with air pressure sufficient to
hold back the hydrostatic head pressure until the liner was cured-in-place and bonded to the host structure.
Installation was complete, start to finish, in one day. The Poly-Triplex Liner completely stopped the infiltration
and ex-filtration as well as further deterioration.
Benefit
This method of repair resulted in considerable cost savings over other methods of construction, as other repair methods
previously attempted were unsuccessful.
Photos
Upper Left: Photo of sever infiltration of lake water flooding through the wall of this structure.
Upper Right: Photo of the Poly-Triplex Liner being cured in place 18 feet out into the lake.
Comments
Poly-Triplex provided a more permanent solution than new construction and provided a 10-Year warranty. All leaks into
the structure are stopped and the structure is function normally. Poly-Triplex provided a 10 year materials and labor
warranty. Numerous structures have been lined to date for the DNR.
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