Case Studies file drawer

Leading the way in environmental infrastructure maintenance since 1949

Carylon companies have been providing superior service nationwide for decades. Our unmatched expertise, which includes proprietary equipment and processes, allows us to successfully complete even the most demanding projects safely, on time, and on budget.

CIPP Sewer Rehabilitation

  • Digital TV Inspection
  • Sewer Cleaning
  • Vacuum Excavation

Bio-Nomic Services and National Water Main Cleaning (Boston) teamed up to bid and perform this project outside of Charleston, South Carolina […]

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City of Memphis Sanitary Sewer Evaluation and Rehabilitation Program

  • Digital TV Inspection
  • Sewer Cleaning

VIS was selected for this project to provide sanitary sewer cleaning and evaluation services to the City of Memphis SARP10 Sanitary Sewer Evaluation and Rehabilitation Program […]

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City of Wilmington Sewer Cleaning & Televising

  • Digital TV Inspection
  • Sewer Cleaning

Mobile Dredging and Video Pipe completed The City of Wilmington’s Phase 7 Cleaning and Televising Contract having completed Phases 1 through 6 over the previous ten-year period […]

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Emergency 60″ Diameter Sewer Cleaning

  • Digital TV Inspection
  • Sewer Cleaning
  • Vacuum Excavation

Louisville MSD discovered a blockage in a 60″ diameter, brick drainage main, within the floodplain that creates flooding risks for the surrounding upstream area. Due to the amount of debris, MSD needs to have the blockage removed in order to ensure the structural stability of the line and to avoid a collapse within the the main. […]

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Jefferson County Sewer Cleaning

  • Digital TV Inspection
  • Manhole Rehabilitation
  • Sewer Cleaning

Video Industrial Services was selected for this project to provide sanitary sewer cleaning and evaluation services to the Jefferson County Department of Environmental Services as part of their ongoing Asset Management Program. Designed as a “Find & Fix” rehabilitation project, the evaluation scope of work involved sewer cleaning, PACP compliant CCTV inspection, MACP compliant manhole inspection, and smoke testing of defined areas of the County’s 3,100 mile sanitary sewer system. […]

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Montecito Sanitary District Mudslide Cleanup

  • Digital TV Inspection
  • Lateral Service Line Inspection and Sealing
  • Manhole Rehabilitation
  • Sewer Cleaning

After the California mudslides in January 2018, National Plant Services was contacted by the Montecito Sanitary District to assess damage in sewer lines, clean manholes that were charged to the top with mud, internally cap laterals from houses that were washed away or red-tagged, repair broken lines, and assist their crew as needed. […]

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Texas City Refinery Sewer Project

  • Digital TV Inspection
  • Sewer Cleaning

Following the findings of the investigation of the March 23, 2005 explosion in the ISOM unit, BP initiated its BWOM (Benzene Waste Oil NESHAP) Program to eliminate Benzene releases into the air, ground and ground water. Specialized Maintenance Services was called on to handle the portion of the program requiring the cleaning and inspection of all storm sewer piping. […]

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Village Creek WWTP Tunnel Inspection

  • Digital TV Inspection

VIS was selected for this project to provide man-entry inspection and assessment of approximately 3,273 LF of 132” sanitary sewer influent tunnel. In addition to CCTV inspection of the tunnel to assess the structural integrity of the tunnel, the VIS man-entry crew performed pH testing and pick-testing of the cast-in-place concrete tunnel lining and recorded existing debris levels. […]

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