Mechanical Joint Integrity training
The Mechanical Joint Integrity (MJI) model was developed by ECITB and industry experts to address hydrocarbon release issues globally to both increase levels of competency and reduce accidents. This model of training and competence has been adopted by many global oil and gas operators and contracting companies.
The MJI model is intended to reflect industry ‘good practice’ for the training and competence of workers in relation to mechanical joint operations. The model applies to the onshore and offshore oil and gas industry to the extent that it is reasonably practicable to do so. It also has general application to all industries where mechanical joint operations are undertaken.
Mechanical Joint Integrity training is aimed at all personnel involved in mechanical joint operations, particularly those who are expected to undertake related duties in the workplace. Correspondingly those who are expected to plan these operations and the supervisors of those personnel performing them should be familiar with these principles.
The MJI model consists of a four stage model of training and competence that can be used by new entrants, existing and experienced workers involved in mechanical joint operations. The ECITB Mechanical Joint Integrity flyer explains each stage of the MJI model and the associated ECITB certificates issued for training and test achievement.
The 4 Stage Model

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Working with almost 200 licenced training providers worldwide, the ECITB delivers internationally recognised training and qualifications in key engineering construction industry skills and health and safety programmes. Currently we link our global qualifications with locally recognised training programmes and qualifications in more than 25 countries to ensure that successful learners graduate from one common training programme and assessment process with qualifications that are valid across international markets.