Last Updated: August 13, 2023, by

What is the difference between installation/erection and commissioning? This question is asked quite frequently and is easy to explain.

🟧 INSTALLATION/ERECTION is the precursor to commissioning, where the onsite project/construction operatives, contractors, and vendors fix brackets, frames, materials, and equipment within a building structure [internal or external] to create a complete, Electrical, Fire, Mechanical, Controls, HVAC, Plumbing, and Drainage System, in line with the design/construction drawings and design requirements.

🟧 COMMISSIONING is taking those installed systems and implementing a rigid industry standard process to plan, start-up, test, and put them to work, allowing evaluation of their capabilities and operation, ensuring they are integrated, running efficiently, and meet the overall commissioning/design requirements of the building and future maintenance/operations.

If you would like to understand what the different types of Commissioning [NCCx, OCx, RCx, MBCx] are, see our article: '4 DIFFERENT TYPES | of Building Commissioning' where we quickly run thorugh New Construction Commisisoning, Ongoing Commissioning, Retro-Commissioning & Monitoring-based Commissioning delivery methods.

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