Course Details

The first step towards maintaining your COSS competency is to gain a minimum of 4 work experience logbook entries leading up to the COSS workplace assessment. Your COSS assessor will contact you at least 24 hours prior to the COSS workplace assessment taking place. Please book your COSS assessment well in advance of expiry to avoid losing your competence as there is no grace period from Sentinel for workplace assessments.

Your Railway Medical needs to be in date with a current Drug and Alcohol test. If you change Employer/Sponsor you will need to take a new Drug and Alcohol test, contacts us to book an appointment prior to attending your COSS workplace assessment or book online.

For pre-assessment reading download the COSS Rule Book Modules and Key Point card free from our site. We have developed a COSS mock test that you can complete before attending a COSS Course or COSS assessment.

Duration: 1 Shift

What you're Assessed on for your COSS Workplace Assessment:

The COSS Interim workplace assessment consists of theory and practical elements including;

  • COSS underpinning knowledge
  • Implementing a Safe System of Work
  • Safety-Critical Communications
  • COSS Safety Briefing
  • SWP Verification
  • OLP/CRP Permits

On successful completion of the COSS Interim workplace assessment, you are free to perform the duties of a COSS anywhere on the Network Rail Managed Infrastructure including Infrastructure Projects.

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How to Pass your COSS Workplace Assessment:

Throughout the COSS Interim workplace assessment there are a series of verbal and practical assessments, we can provide additional learning support if required. We recommend you study the COSS Key point card and take the COSS mock test leading up to your COSS Interim workplace assessment. The pass rate at the centre for the COSS workplace assessments is 95%.

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On successful completion of your 9-15 month interim COSS assessment You will need to complete a minimum of 4 work experience log book entries and attend a COSS Recertification Course leading up to the 2 year expiry date.

Your Assessor will contact you to confirm all arrangements prior to the COSS assessment.


PTS card holders including COSS’s range from all types of construction workers including trackworkers, tradespeople, Scaffolders, Engineers, and Surveyors. The Railway has an excellent safety record with a focus on training so you can progress and take higher-level courses. The natural progression from COSS is to attend the Safe Work Leader conversion course (SWL 1).

Many people take a temporary job on the Railway but end up staying within the rail industry for the rest of their career. For the next 10 years, the government has released a huge amount of money to maintain and enhance the rail network. The first phase of the High Speed 2 project has created an additional 16,000 Railway jobs.

Why Fast Line Training?

Fast Line Training Services is the right choice, we are totally driven by your success, supporting you every step of the way towards gaining your qualification. The people who choose us enjoy their learning experience, you might be an individual seeking personal progression and development or a multi-national organisation. We have the expertise, resources and flexibility to deliver a complete professional service.

We pride ourselves on our learners’ success, our metrics for success are based on the achievement of the people and companies we work with. We demonstrate this by offering all individuals and businesses a money-back guarantee. “NO PASS - NO PAY”. It has taken 10 years to develop an association of quality training providers that share our values, only the very best trainers, advisors, mentors and industry experts get the opportunity to work with us.

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