If there is one part of the Lowcountry where trenchless earns its keep, it is the peninsula.
Because you cannot dig here
Downtown lines run under brick drives, courtyard gardens, garden walls, and mature oaks with protected root zones. Open trenching means destroying something that took decades to establish and may not be permitted to alter. Lining installs a new jointless pipe inside the old one through existing access points — nothing above ground is disturbed.
No demolition to get back to working
That is the practical point for a historic house. You do not tear up the courtyard, the drive or the garden to end up where you started. The liner also removes the joints roots were entering through, so it fixes the cause rather than the symptom.
Preservation and permitting
Work that disturbs the exterior of a historic property can trigger review. Trenchless avoids most of that simply by not disturbing anything visible. On a BAR-sensitive property that is a meaningful advantage, not just a convenience.
When it will not work
A fully collapsed line, or one that has lost grade and holds water, cannot be lined. We would rather tell you after the camera inspection than start something that cannot succeed.