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A Controller of Site safety or COSS is someone qualified by the Network Rail to be sure Secure practice for function occurring on or near railway tracks and infrastructure. Their Most important purpose is always to setup a secure system of work to safeguard workers from trains and mechanised vehicles.

The popular Protected programs of Performing the place the workers are protected against line open up to practice movements, either by blocking some or all lines to visitors or controlling the gap the group is within the keep track of (referred to as Safeguarded/Fenced/Divided areas as a way of consideration). This method was formerly called a Green Zone. This is the safest technique for Doing work resulting from the upper challenges with trains relocating at speed, While a lot of incidents however come about inside of blocks.

Open Line working (formerly referred to as Pink Zone) suggests the traces are open up to train actions; That is observed as much more risky than Safeguarded/Fenced/Separated parts, and is particularly prevented while in the rail market where by practicable.

The COSS is answerable for the safety of all the team and it is issue to prosecution need to somebody be killed or wounded by night shift railway jobs their carelessness.

To become a COSS, a person must have served an acceptable period of time about the railways and undertake a 5-day training course. This can be then followed by a period of mentoring by a highly skilled COSS after which you can impartial standard assessments in order that the subject is skilled to undertake their position properly and proficiently.

The foundations all over accomplishing the position of a COSS are mentioned in the Rule Book [one] a set of files issued to trace team detailing their obligations.

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

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