The HOT Lo-To-To approach based on the EN17975 standard for safer maintenance

During maintenance operations on installations in use, risks linked to energy and fluids are present.

It is essential to control every type of energy to guarantee the safety of your teams and the performance of your operations. Apave's HOT Lo-To-To approach transforms compliance requirements into sustainable risk management and operational excellence.

Based on European standard EN17975, which sets out guidelines for managing the risks associated with energy and fluids during maintenance operations, our experts will support you within a structured and proven framework.

In this context, Apave offers organizational consulting, training and technical support services as part of its HOT Lo-To-To offer.

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Apave supports you with HOT Lo-To-To and the EN17975 standard

The EN 17975 standard provides guidelines for controlling the risks associated with energy and fluids during maintenance operations. It operates on a voluntary basis.

This means :

  • Taking into account all energies, and therefore the specific problem of managing several simultaneous risks
    • During all maintenance operations (preventive, curative, work), including routine maintenance (lubrication, cleaning, adjustment, etc.),
    • by technical departments, outside contractors, production operators, etc.
  • The standard covers many more aspects than the simple Lo-To or Lo-To-To approach (lock-out, tag-out, try-out), integrating organizational, technical and human dimensions (skills, behavior). It is thus articulated with maintenance processes and safety management.

Apave, the leader in this standard, has been developing expertise in this field for several decades, and has put together a range of "HOT Lo-To-To" services (HOT = Human Organizational Technical):

  • Organizational consulting services, including a complete diagnosis of your practice,
  • Training (mostly adapted to our standards) and coaching.
  • Technical support services

We offer our customers support in all aspects of this complex subject, in project mode, to assist with implementation, change management and joint progress.

Apave offers a wide range of services to support you in the HOT Lo-To-To approach:

  • Training courses (standard duration)
  • Consulting
  • Technical support
  • HOT Lo-To-To awareness seminar (0.25 day)
  • Organizing the implementation of Lo-To-To, for managers (1 day)
  • HOT Lo-To-To risk analysis methodology for technicians (2 days)*
  • HOT Lo-To-To risk analysis methodology refresher (0.5 days or elearning)
  • Drawing up Lo-To-To sheets and operating procedures, for methods (2j)*
  • Safety risk management Lo-To-To, for HSE (2j)
  • Lo-To-To safety reception for outside contractors (0.5 days)
  • Electrical clearance or equivalent
  • Fluidic/mechanical clearance
  • Specific risk training (chemical, confined spaces, ATEX, etc.)*.

* Available in standard version, although an adapted version is strongly recommended.

  • Co-construction and management of a HOT LoTo project
  • Complete HOT Lo-To-To diagnosis
  • Change management support
  • Internal HOT Lo-To-To maturity audit
  • Support in drawing up a general Lo-To-To procedure and documents
  • On-site support in implementing Lo-To-To best practices
  • Support in adapting maintenance and operating processes
  • Support for CMMS implementation
  • Safety culture & behavior
  • Safety management
  • Control of outside contractors
  • Confined spaces
  • Specific risks
  • Development of the necessary technical standards and Lo-To-To tools
  • Assessment of machine and plant conformity
  • Diagnosis of consignability
  • Creation of Lo-To-To sheets (energy mapping) and installation of labels
  • Diagnosis of maintainability in accordance with NF X60-301
  • Study of workstation tasks and risks
  • Drafting of Lo-To-To operating procedures
  • Technical support in the field for Lo-To-To risk analysis
  • Securing major stoppages, worksites and worksites
  • Support for compliance/safety upgrades
  • Ergonomics and FOH consulting
  • Project management for new projects / modifications
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Apave's international expertise: Did you know? Apave can help you understand the Hot LoToTo approach and the EN 17975 standard in France, Spain, Italy, the United Kingdom, Benelux... Contact our advisors who will put you in touch with your local expert!
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Expert opinion

EN 17975 standard and HOT LoTo approach

Our expert Jean-Pierre Avellaneda answers the questions companies are asking about securing energy and fluids during maintenance operations. He discusses the implementation of European standard EN 17975 - which replaces standard NFX 60-400 in France - and the Apave HOT LOTO approach, which reconciles risk management and performance.
A maintenance worker with a yellow construction helmet examines an industrial machine.

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