Issued for Design (IFD) means that the document or drawing is issued for further development of design or used for other disciplines’ design.
Related Definitions in the Project: The Document Review and Approval
IFD (Issued for Design)
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.