第 39 屆國際免開挖研討會暨展覽會訂於2023/1017~18於墨西哥墨西哥市舉辦，研討會共計有6個場次，議題包括:
1 Investigation/Assessment: Underground Detection、Site Survey、Costs and Issues、Asset Management、 Work Planning、Education、Tech transfer、Pipe Inspection
2.New Installation: Microtunneling and Pipe Jacking
3.Rehabilitation: CIPP、Spiral Wound Linings、Cleaning、Local Repairs and Grouting
4.New Installation: HDD
5.Rehabilitation: Close-Fit Lining and Panel Lining、Slip Linings (Loose Fit)