TWI runs the British Gas Approved Scheme (BGAS) formerly referred to as ‘ERS’, on behalf of NATIONAL GRID Plc
Although it is recommended that candidates receive training, there are no specific training and experience requirements for any of the qualifications.
The system is primarily designed for inspectors involved in one or more of a number of activities related to pipelines. BGAS-CSWIP qualifications are highly regarded pipeline specific qualifications, which complement the well-known CSWIP inspection qualifications, both are internationally recognised.
The following course is available in Pakistan: