S.D. Codified Laws § 36-18A-68
A professional engineer, architect, land surveyor, landscape architect, petroleum release assessor, or petroleum release remediator is not liable for the safety of persons or property on or about a construction project site, or for the construction techniques, procedures, sequences, and schedules, or for the conduct, action, errors, or omissions of any construction contractor, subcontractor, construction manager, or material supplier, their agents or employees, unless that person assumes responsibility therefor by contract or by that person's actual conduct. This section does not relieve a professional engineer, architect, land surveyor, landscape architect, petroleum release assessor, or petroleum release remediator from liability for that person's negligence in design work.
SDCL 36-18A-68