Ultrasonic Testing of AT welds on loop lines in Mysuru Division for a period of 6 months using contractors RDSO approved hand operated ultrasonic weld tester as per Indian Railway Standard Specification for Ultrasonic Testing of Rails/Welds, Revised-2020 (Document No.T-53) and Manual for Ultrasonic testing of Rails and Welds, Revised 2022 (with latest amendment) issued by RDSO.

A-Ultrasonic Testing AT Welds.

Carrying out USFD testing of Alumino Thermic (AT) welds on all types of rails, using 0° (2 MHz) double crystal; 70° (2 MHz) 20mm x 20mm single crystal probe for head & flange testing; 1 2 nos. 45° (2 MHz) single crystal with tandom rig for testing from rail top to bottom & for half moon testing and 70° (2 MHz) 20mm x 20mm side looking probe by NBC (Need Based Concept) method under traffic conditions as per provisions of IR's "Manual & Specifications for Ultrasonic Testing of Rails and Welds" & related instructions duly marking the defects, submission of daily reports and storing back-up data as specified & directed. The rates are inclusive of contractor's men, materials & machines complete unless otherwise specified and directed. Track having up to 3 rail panels - With Contractor's USFD machine :