Advise Professional Physical Inspection

What happens here

The expert concludes by reiterating that for a 12-foot retaining wall, it's 'next to impossible' to accurately know if the drainage system and overall construction were done correctly without physically examining it. He emphasizes that a thorough, on-site inspection, potentially involving some disassembly or test holes, by a professional is necessary to determine if the entire wall is faulty or if the issue is confined to minor, repairable problems.

Goal: Emphasize the necessity of a professional, on-site inspection for accurate diagnosis.