Fire Seal Posted on 11th November 201527th July 2021 by ThePD (The Project Definition) A Fire Seal is a fire protection device installed in the basin. Related Definitions in the Project: The CSA Engineering 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 Engineering and tagged civil, csa, fire, 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.