Location: Jefferson County, AL
Client: Jefferson County, AL Department of Environmental Services
Carylon Operating Company: Video Industrial Services
Services Performed: 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.