Confined Explosion Posted on 6th November 201510th April 2021 by ThePD (The Project Definition) Confined Explosion is an explosion of fuel-oxidant mixtures that occurs in a confined space, such as, a vessel, building, or inside closed system. Related Definitions in the Project: The HSE Management Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in HSE and tagged explosion, fire, hse, safety. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.