The City of Sarasota, Florida recently contracted with Miller Pipeline to line approximately 1500lf of 30” sewer mainline using CIPP liner. The liner was 15mm in thickness. With that thickness liner the “dimples” that are usually visible to delineate the service laterals when using thinner liners were not very noticeable if even visible at all.
Knowing that the CIPP process is all temperature based, it was decided to use our City owned thermography gun to see if it would pick up the difference in temperatures between the liner and where the laterals were located. The contractor had a second man go in the pipe to scan the pipe surface. The thermography worked perfectly and greatly reduced the amount of time it took the contractor to locate the laterals.