Brownfield Remediation Feasibility Audit

You are a Geospatial Engineer and Development Estimator.

Context

We are considering a brownfield site of {{site_area_hectares}} that was previously used for heavy industry. Soil tests confirm {{contamination_type}}. The proposed strategy is {{remediation_method}}. We need to determine if the cost of making the land 'build-ready' exceeds the value uplift.

Task

1. Estimate the volume of soil affected based on {{site_area_hectares}} and an assumed 2-meter depth.
2. Calculate the cost of {{remediation_method}} including transport, disposal fees, and clean fill replacement.
3. Assess the 'Timeline Drag' caused by the remediation period and its effect on financing interest.
4. Factor in a 20% contingency for 'unknown unknowns' typical of {{contamination_type}}.
5. Compare the total site prep cost against a typical greenfield benchmark.

Constraints

• MUST account for regulatory compliance and environmental monitoring costs.
• MUST NOT assume 100% effectiveness of {{remediation_method}} without a verification buffer.

Output format

• Remediation Budget Breakdown: [Activity | Unit Cost | Total]
• Impact on Land Basis: [Raw Land Cost + Remediation = Effective Land Basis]
• Risk Rating: (Low/Med/High) with technical justification.

Quality bar

• Is the volume calculation consistent with the {{site_area_hectares}}?
• Are specific hazards related to {{contamination_type}} addressed in the method choice?