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Mantenimiento

Work Procedure

Step-by-step document describing how to perform a maintenance task safely, efficiently and in a standardized manner. Minimum content: objective, scope, required PPE, tools and materials, safety precautions (LOTO, hazards), numbered step sequence, adjustment values and torques, acceptance criteria and record. Referenced in the work order. Reduces variability between technicians, human errors and accidents. Foundation of world-class maintenance. Annual review or after incidents. Reference standard: ISO 9001 (process documentation).

What you need to know

  • Step-by-step document describing how to perform a maintenance task safely, efficiently and in a standardized manner.
  • Minimum content: objective, scope, required PPE, tools and materials, safety precautions (LOTO, hazards), numbered step sequence, adjustment values and torques, acceptance criteria and record.
  • Referenced in the work order.
  • Reduces variability between technicians, human errors and accidents.
  • Foundation of world-class maintenance.

Full definition

A Work Procedure is a critical document that outlines a systematic approach to performing maintenance tasks within industrial settings. It serves multiple purposes, including ensuring safety, promoting efficiency, and standardizing processes across various teams. Typically, a well-crafted Work Procedure will begin with a clear objective that defines the task's intent and scope, ensuring all personnel understand its importance in the context of operational goals. This section is followed by a detailed list of required personal protective equipment (PPE), tools, and materials necessary for the task, which helps in preparing technicians before they initiate the work.

Safety is a paramount concern in any maintenance activity, and a Work Procedure must include comprehensive safety precautions. This involves specifying Lockout/Tagout (LOTO) protocols, identifying potential hazards associated with the task, and detailing the steps required to mitigate these risks. The document should also present a numerically ordered sequence of operations that technicians must follow, which enhances clarity and reduces the likelihood of human errors during execution. Additionally, it is crucial to include adjustment values, torque specifications, and acceptance criteria to ensure that the task meets quality standards.

The importance of Work Procedures extends beyond initial documentation; they must be regularly reviewed—at least annually or following any incidents—to remain relevant and effective. The adherence to established procedures is foundational to achieving world-class maintenance standards, as it reduces variability between technicians and minimizes the risk of accidents. Furthermore, Work Procedures are often referenced in work orders to facilitate traceability and accountability, thereby contributing to continuous improvement in maintenance practices. ISO 9001 serves as a reference standard, emphasizing the need for process documentation and quality management in operational workflows.

What you need to know

  • What you need to know: A Work Procedure outlines the objective, scope, and necessary tools for maintenance tasks.
  • It includes required PPE and safety precautions such as LOTO to mitigate hazards.
  • The procedure provides a step-by-step sequence, adjusting values, and torque specifications to ensure quality.
  • Annual reviews or updates post-incident are essential for maintaining the relevance and effectiveness of the procedure.
  • ISO 9001 serves as a benchmark for process documentation in maintenance work.

Industrial applications

  • 1Used in manufacturing plants to standardize routine maintenance tasks on machinery.
  • 2Implemented in facilities management to ensure safe operation and maintenance of HVAC systems.
  • 3Applied in automotive industries for consistent vehicle maintenance procedures.
  • 4Utilized in energy sectors to maintain equipment safety and operational efficiency.

Common mistakes

  • Failing to update Work Procedures after incidents, leading to outdated safety information.
  • Neglecting to train staff on the specific Work Procedures, resulting in inconsistent task execution.
  • Overlooking critical safety precautions, which can lead to accidents or injuries during maintenance.
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Pro tip

Regularly involve technicians in the review process of Work Procedures to ensure practical insights and improvements are captured.

Technical standards

  • ISO 9001 - Standards for quality management systems focusing on process documentation and continuous improvement.

Suppliers of industrial maintenance in Mexico

Applicable standards

ISO 9001