[Investigation / diagnosis] Concrete buildings can last for over 100 years. Proper maintenance is required for this. Investigative diagnostics are performed by certified professionals using the latest diagnostic techniques and equipment. Building surveys are indispensable for determining what kind of repair is necessary for which part by investigating and diagnosing not only deterioration in appearance but also deterioration inside the skeleton. Field survey example of deterioration and aging Survey method Concrete diagnosis Non-destructive inspection Outer wall deterioration survey Infrared thermography [Consfinder] Soft coring (C) Constec Engi, Co.