Proposals are hereby invited for the following: maintenance of railway track with on-track ultrasonic rail flaw detection machine for Upington depot under ore corridor for a period of two (02) months. Scope: • Detection of internal and external rail defects by ultrasonic sound installed or mounted on a Road Rail Vehicle (RRV); • In situ ultrasonic rail defect detection of plain track, and turnouts, both rails • simultaneously; Data processing; • Analysis and reporting of measurements for rail maintenance purposes. Upload data to IAMM. (Тендер №89651842ru)