General planning information only. Confirm engineering, environmental, plumbing, safety and permitting requirements with the responsible authorities and qualified professionals.
Compare the complete operating system
Include procurement, storage, hauling, waste, labor, water, energy, chemicals, equipment, setup and operational continuity.
Use current project inputs
A useful comparison uses local costs, actual service volume and the length of the interruption rather than a generic savings claim.
Record the assumptions
Make the decision auditable by listing every cost, duration and service-level assumption used in the comparison.