MEICA stands for mechanical, electrical, instrumentation, control, and automation. This work involves installing and commissioning pumps, valves, motors, switchgear, control panels, and instrumentation systems, often within operational environments such as water treatment works and pumping stations. The combination of heavy mechanical handling, electrical installation, pressure testing, and working in confined or live process areas makes MEICA work particularly hazardous and requiring careful planning.
Key Hazards
Electric shock during installation and commissioning of switchgear and control panels
Crush injuries from heavy mechanical equipment during lifting and positioning
Pressurised system failure during testing of pipework and process equipment
Working in confined spaces within chambers, tanks, and below-ground structures
Control Measures
Isolate and lock off all energy sources before working on any mechanical or electrical equipment.
Use appropriate lifting equipment for heavy pumps, motors, and valve assemblies.
Carry out pressure testing with clear exclusion zones and only trained personnel in attendance.
Obtain a confined space entry permit before working in any below-ground chamber or tank.
Ensure all electrical work is carried out by competent, qualified, and authorised electricians.
Follow the approved commissioning procedure and verify all safety interlocks before energisation.
Brief all MEICA operatives on the specific hazards of the operational environment they are entering.
Coordinate MEICA installation with civil and building works to prevent conflicts and access issues.
Test all emergency stops and safety devices before handing over commissioned equipment to the client.
Emergency / Rescue
If a pressurised system fails during testing, evacuate the area immediately. For electrical incidents, isolate the supply before approaching the casualty. Call 999 for any injuries.
Remember
MEICA work combines electrical, mechanical, and process hazards requiring multi-disciplinary awareness.
Lock out tag out is essential before any work on mechanical or electrical process equipment.
Pressure testing exclusion zones must be established and maintained throughout the entire test.
Many MEICA work locations on operational sites are confined spaces requiring entry permits.
Commissioning is the highest-risk phase — follow procedures exactly and verify all safety systems.
All emergency stops and safety interlocks must be tested and proven before equipment is handed over.
Applicable Legislation: Electricity at Work Regulations 1989 · Pressure Systems Safety Regulations 2000 · Confined Spaces Regulations 1997 · PUWER 1998