CompEx Mechanical Ex11

Course Aim

The aim of the course is to provide mechanical personnel with the knowledge of potentially explosive atmospheres which provides successful candidates with an internationally recognised certificate of core competence which corresponds to Unit Ex11.

Course Syllabus

  • Directives and Legislation 13463 & 80079-36, 80079-37
  • Gas Groups
  • Gas / Dust
  • Equipment for use in Hazardous Areas
  • Area Classification
  • Temperature Classification
  • Basic principles of Flammable Compounds
  • Protection Methods of non-electrical equipment
  • Protection Types
  • Management of Material Changes
  • Inspection and maintenance – Torque tools & bolting procedures
  • Bearings
  • Lubrication
  • Seals
  • Couplings
  • Spares
  • Belt Drives
  • Safety Issues During Overhaul
  • Commissioning / De-commissioning
  • Feedback and review

Course Duration

The course is 3 days in duration.

Optimum Number

9 delegates per course.

Training Support

PowerPoint, videos, photographs, information handouts.


Day 3 of the course includes a multi choice question paper for which course delegates are allowed 1 ½ hours.

Additionally two practical assessments are undertaken; a fault-finding inspection of a pump motor unit; and a pressure installation task on a pipe rig. Duration for both exercises combined totals around 2 ½ hours.

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