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A Controller of Site safety or COSS is anyone certified from the Network Rail to ensure safe apply for operate taking place on or in the vicinity of railway tracks and infrastructure. Their primary function is always to put in place a safe method of work to protect staff from trains and mechanised vehicles.

The popular Protected techniques of Functioning in which the employees are shielded from line open to teach actions, both by blocking some or all lines to workers or controlling the distance the team is in the keep track of (identified as Safeguarded/Fenced/Separated spots to be able of consideration). This process was previously named a Green Zone. This can be the most secure means of working resulting from the higher challenges with trains moving at pace, although a lot of incidents still come about within blocks.

Open Line Doing work (previously known as Red Zone) signifies the strains are open up to train movements; This can be viewed as more risky than Safeguarded/Fenced/Separated locations, and is also averted while in the rail field where practicable.

The COSS is liable for scs belfast the safety of the complete group and it is topic to prosecution must a person be killed or injured by their negligence.

To be a COSS, another person must have served a suitable time frame around the railways and undertake a 5-day program. That is then followed by a duration of mentoring by a qualified COSS after which you can impartial normal assessments to make certain that the subject is skilled to undertake their job safely and securely and properly.

The principles close to carrying out the position of a COSS are stated from the Rule Book [1] a list of files issued to trace personnel detailing their responsibilities.

A COSS is distinguishable on web page by wearing a blue armlet around the left arm or higher human body on which the phrase "COSS" is printed in white textual content.

Beforehand, the COSS was referred to as the Person In command of Do the job/Possession, or PICOW/PICOP.