Water Sealing Blog - Tag: repair
Bridge Rehab
Although structurally sound, this bridge had some hairline cracks that would continually drop water onto traffic below. By inserting mechanical packers alongside the fractures and injecting polyurethane grout, the seepage was able to be stopped. The polyurethane grout used in t... Read More
Category: Company Information
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hyperflex grout injection polyurethane concrete repair
Rescuing a Turn of the Century Culvert under a New York Rail Line
As winter approaches, a heavy rain event proved to be “the straw which broke the camel’s back” for this turn of the century block and brick-built tunnel.
Heavy rains recently caused the loosening and partial collapse of the structure internally. Constructed of four row... Read More
Category: Company Information
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rail culvert tunnel repair sinkhole collapse
Shrinking Concrete
Concrete shrinks. In this instance, it was allowing an unwanted transfer of water. When constructed, this corrugated HDPE pipe was encased in concrete to limit erosion and to ensure that no back-flow could occur. A back-flow valve was also placed inside the pipe. Ho... Read More
Category: Company Information
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shrinking concrete back-flow repair hyperflex polyurethane grout
Retaining Pond Standpipe
Mine discharge was infiltrating an overflow flow pipe located in a retention pond. The continuous flow of the contaminated water was causing environmental concerns at the exit location. Using the polyurethane grout Hyperflex, grouting contractor Sub-Technical was able to stop t... Read More
Category: Company Information
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AMD Retention Pond Overflow Pipe Repair Infiltration
Broken Sewer Lateral
After a recent pipe lining, a sewer camera discovered that a lateral was leaking groundwater perfusly. After excavation, it was discovered that a 3" section of the pipe was missing at the connection. One set of SealGuard II fixed the problem and saved the township from ... Read More
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Sewer Lateral Repair
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