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Decision Gate · DG4 · Construction Oversight

EPC governance, milestone discipline, schedule and quality assurance to mechanical completion.

The lowest bid is the most expensive project. What protects the IRR is the contract, not the price. DG4 covers EPC selection through mechanical completion, with the discipline that makes the difference between a price on a cover sheet and a project that builds on schedule, on spec, and on bankability.

Gate at a glance

Key decisions
  • Pre-qualified EPC short list and conflict screen
  • Self-perform vs subcontract scope split
  • LD structure, security package, performance guarantees
  • Owner's engineer scope and onboarding
Bankable artifacts
  • Pre-qualification scorecard + short-list memo
  • Scope of work + interface management plan
  • RFP package + clarification log
  • Normalized bid evaluation
  • Negotiated EPC contract with lender mark-up
  • Performance guarantee package + LD calculator
  • NTP readiness checklist + baseline schedule
Common failure modes
  • Three bids on three different scopes (noise, not data)
  • Lowest price with weakest LDs and widest carve-outs
  • Vendor-bundled turnkey that hides where margin lives
  • Performance guarantee that lets EPC walk from underperformance
Kill bar
  • No bid clears bankability threshold
  • Schedule cannot meet COD inside off-take window
  • Performance guarantee structure rejected by tax equity / IE
  • Required CPs cannot be cleared before NTP

Sub-gates within DG4

DG4.1
Short list lock
Pre-qualified bidders confirmed, scope frozen, RFP issued.
DG4.2
Award
Bid evaluation closed, EPC selected on common-basis scoring.
DG4.3
Contract execution
EPC contract signed with bankable LDs, warranty, and security package.
DG4.4
NTP
Conditions precedent cleared, owner's engineer in place, mobilization authorized.

Deep-dives for DG4

Available now EPC Advisory →

The full lifecycle

DG1 Feasibility DG2 Capital Structuring DG3 Procurement DG4 Construction Oversight DG5 Commissioning & PTO DG6 Long-Term Operations
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DG3Procurement

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