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A Controller of Site safety or COSS is a person qualified with the Network Rail to ensure safe exercise for operate occurring on or close to railway tracks and infrastructure. Their Major part will be to build a secure technique of work to guard staff members from trains and mechanised vehicles.

The popular Secure techniques of Functioning in which the workers are protected from line open up to practice movements, possibly by blocking some or all lines to workers or controlling the space the group is in the keep track of (known as Safeguarded/Fenced/Divided places so as of thing to consider). This technique was previously identified as a Green Zone. This can be the most secure means of Operating as a consequence of the upper pitfalls with trains transferring at speed, although quite a few incidents nonetheless materialize inside of blocks.

Open up Line working (previously generally known as Red Zone) indicates the lines are open up to teach movements; This is certainly viewed as additional dangerous than Safeguarded/Fenced/Divided areas, and it is prevented from the rail market wherever practicable.

The COSS is accountable for the safety of the entire group which is subject to prosecution ought to a person be killed railway controller jobs or hurt by their carelessness.

To become a COSS, a person should have served an acceptable period of time on the railways and undertake a 5-day program. That is then followed by a period of mentoring by an experienced COSS and then impartial typical assessments to make certain the subject is knowledgeable to undertake their position safely and effectively.

The principles about accomplishing the purpose of a COSS are said during the Rule Book [1] a list of documents issued to track team detailing their duties.

A COSS is distinguishable on web-site by sporting a blue armlet to the left arm or higher entire body on which the term "COSS" is printed in white textual content.

Formerly, the COSS was often known as the individual Accountable for Do the job/Possession, or PICOW/PICOP.