IFC / detail design / FEED
IFC / detail design / FEED
(OP)
Dear all,
What is the difference between IFC (issued for construction) and detail design? How are these connected to FEED (front end engineering design)? Please help.
What is the difference between IFC (issued for construction) and detail design? How are these connected to FEED (front end engineering design)? Please help.





RE: IFC / detail design / FEED
1) "IFC" is the fully-completed design documents set, sealed and signed, and ready to permit and build from.
2) "Detailed Design" corresponds to the 95%-completion level of document development, ready for final client review and comment.
3) "FEED" corresponds to the 35%-completion level of document development (beyond initial concept design), ready for initial client review and comment.
Dave
Thaidavid
RE: IFC / detail design / FEED
preliminary design - conceptual design solid enough to confirm that requirements are being met
critical design - detailed design that requires minor drawing completion, but is otherwise ready for procurement
technical data package - finalized design package typically delivered with the finished product.
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RE: IFC / detail design / FEED
RE: IFC / detail design / FEED
FEL = FEED = SD = 30% = Preliminary Design = Bridging Documents
DD = 60%
IFB = 90%
IFC = CD = 100%
Notes:
There may be multiple FEL or FEED stages.
There is often a 90% stage to check a design prior to IFC.
SD/CD/DD are typically for building type jobs and are defined by the AIA (American Institute of Architects)
30%/60%/90%/100% is typically used in heavy civil construction. Heavy civil sometimes uses SD/CD/DD.
FEL/FEED/IFB/IFC are typically used in the oil, gas, & chemicals industry as well as other heavy industries.
Terms such as TDP and critical design are primarily used in the mechanical/aerospace industries
FEL = Front End Loaded
FEED = Front End Engineering Design
SD = Schematic Design
DD = Design Development
CD = Contract Documents
IFB = Issued For Bid
IFC = Issued For Construction
TDP = Technical Data Package