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Planning tool

Project Timeline Planner
Useful assumptions.

Estimate an initial planning window across discovery, design, approvals, procurement, and construction.

Research-backed planning model

Concept-to-completion planning window

Adjust the known assumptions. Wider ranges reflect the uncertainty of early planning.

Cost basisMidwest / South-central preliminary planning assumptionsEffectiveJuly 2026ClassificationConceptual planning rangeAssumption set2026.07.1
Conceptual planning range25–56 weeks

Concept to substantial completion

Planning and preconstruction14–32 weeks
Adjusted construction8–18 weeks
Non-overlapping procurement1–1 weeks
Total with schedule contingency25–56 weeks
Principal drivers
  • medium size category
  • Typical operating constraints
  • Full commercial plan review
  • Selected finishes or equipment
  • Procurement overlap assumed
  • 10% schedule contingency
Included in this range

Conceptual programming and preconstruction, selected permit allowance, adjusted field duration, estimated non-overlapping procurement, and schedule contingency.

Not included or requires validation

A promised mobilization, substantial-completion, or occupancy date; zoning, utility, financing, landlord, or owner delays not represented by the selections.

Conceptual planning tool only. This is not a proposal, bid, quote, professional cost estimate, schedule commitment, financing offer, inspection, or guarantee. Actual outcomes can vary materially. Keystone must review the project and supporting information before providing project-specific guidance.

Planning estimate only.

Calculator results are conceptual ranges, not bids, guarantees, engineering opinions, or financial advice. Actual requirements depend on verified scope, existing conditions, selections, access, market pricing, design, and approvals.