scope:

This specification covers the proficiency in Ultrasonic and Non-destructive testing of rail and rail components. It shall apply to the certification of all LU NDT ultrasonic operators, testers and third party suppliers completing ultrasonic and NDT testing on LU Track. It meets the requirements of BS EN ISO 9712 (ex. BS EN 473) and follows the guidelines set out in the American Society for Non-destructive Testing (ASNT) document SNT-TC-1A.

Purpose

The purpose of this specification is to define London Underground's (LU) requirements for the control and administration systems for the training, examination and certification programmes for personnel who perform Ultrasonic and other Non-destructive Testing (NDT) of rail/rail components on LU infrastructure.