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Board committee hears options after repeated sewer clogs at South Terrebonne High School
Summary
Staff told the Buildings, Food Service and Transportation Committee that daily sewer clogs at South Terrebonne High are caused by corroded, flaking cast-iron piping and presented three repair options — epoxy lining, full PVC replacement, or a hybrid — with ballpark costs and a recommendation to schedule work in the summer.
Staff told the Terrebonne Parish School District Buildings, Food Service and Transportation Committee on March 17 that daily clogs at South Terrebonne High School stem from corroded cast-iron sewer piping that flaked after sitting dry following the hurricane. Video inspections and recurring maintenance pull large debris and scale that trap items flushed into the system, staff said.
Engineering staff described three repair approaches. The least disruptive is cured-in-place epoxy lining, which adds about 1/16 inch of epoxy and — according to the vendor data presented — typically extends service life roughly 25 years. Full replacement with Schedule 40…
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