The
City of Kings Mountain, North Carolina recently used several resins
from Prime Resins' Prime-Flex line of chemical grouts to repair
two 24-inch RCP sewer outfall lines that had been experiencing
severe infiltration. According to Dennis Wells, Water Resources
Director for the city, 40,000 gallons of ground water entering
the system was being treated every day.
"40,000 gallons is costly to treat, not to mention the capacity
that it was taking away from the WWTP," Wells said.
The problem joints in the two outfall lines were injected with
Prime-Flex 920 to fill the voids where leaks had erroded away
the soil around the pipes and were then sealed using Hydrogel.
Prime-Flex 900 LVSF was used to seal some of the smaller leaks
in the concrete outfall lines. After these two problem areas were
repaired, ground water entering the system was reduced by almost
40%.
"So far we have only covered about 50% of the work that
needs to be done," Wells said. "My initial goal was
to reduce this number by about 90%. I believe that when we finish
the project, we will have reached this goal."
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