In Charleston, South Carolina, preserving history is not optional. From centuries-old homes along Rainbow Row to university residence halls that cannot afford downtime, excavation is often the last acceptable solution. So for Palmetto Pipe Lining, trenchless technology has become the tool that protects both infrastructure and heritage.Led by 21-year-old co-owner Colby Nicholson, the three-person operation has quickly earned a reputation for taking on the jobs others hesitate to touch — 2-inch cast iron lines hidden behind irreplaceable historic finishes or a time-sensitive campus sewer rehabilitation completed over a compressed winter break.Young in age but disciplined in execution, Nicholson represents a
