How a Megaproject Is Built: FEL-1/2/3 Stage Gates, FEED Deliverables, Lump-Sum Turnkey (LSTK) vs Reimbursable Contracts, Joint Ventures, and Why Megaprojects Slip

Deep End Era. Engineering with Sankalp · Oct 29, 2026 · 1h 8m

How multi-billion-dollar industrial plants move from a blank sheet of paper to Final Investment Decision and construction without collapsing into cost-and-schedule chaos: FEL-1/2/3 stage gates, AACE cost estimate classes, FEED deliverables, LSTK vs Reimbursable contract game theory, Joint Ventures, and Edward Merrow's laws of why megaprojects slip.

Chapters

00:00:00 Opening: Ten Billion Dollars on the Table Before a Single Shovel Hits the Dirt

00:04:04 The Cost-Influence Paradox and the Stage-Gate Architecture: FEL-1 (Appraise), FEL-2 (Select), and FEL-3 (Define / FEED)

00:10:23 AACE…