Henry S. Brascome
Henry S. Branscome LLC, is a general contractor specializing in grading, excavation, utilities, civil and environmental construction. Prism Contractors and Engineers, Inc. has performed several projects for Henry S. Branscome including the CIPP lining of a mainline storm drain at the College of William and Mary.
Inspection Services
- TV Inspection of 400 LF of Sanitary Sewer in Newport News, Virginia (2011)
- Clean and TV Inspect 3,000 LF of 8″ to 42″ Storm Drain at Langley Research Center in Hampton, Virginia (2012)
Trenchless Rehab
- Installed one CIPP Storm Drain with a 18″ – 24″ transition at the College of William and Mary in December of 2014.
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- Pipe is cleaned and inspected prior to rehabilitation
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- Line is pulled to access point
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- Resin-saturated Liner is prepped
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- Liner is transported to acess point
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- Liner is attached and pulled through the pipe
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- Once the pipe is in place steam is used to cure the resin and form a tight-fitting jointless and corrosion-resistant replacement pipe
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- Steam fills the Liner initiating the curing process
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- As the liner cures heat transfer is monitored to prevent over heating the resin which can weaken the finished liner.
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- After the cure has completed, the liner is slowly cooled to prevent shrinkage.
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- The rehabilitated pipe is then inspected by closed circuit TV
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- Finished liner boasts a 50 year design life
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- Installed two 8″ CIPP Sanitary Sewer Pipes at the College of William and Mary in January of 2015.
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- Pre-cleaning the pipe
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- Pre-TVing the pipe
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- Setting up the shooter
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- Shooting the liner
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- Blowing the liner out the downstream manhole
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- Adjusting the temperature
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- Curing the Liner
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- Cutting and removing residual liner
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- Service is reconnected
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