Decommissioning of onshore oil & gas fields: 32 activities in six scope groups — process equipment, electrical and instrumentation, pipelines and piping, metal structures, civil structures, and wells and subsurface remediation.
Decommissioning of offshore installations: 30 activities in seven scope groups — well P&A, topsides, jackets and substructures, subsea infrastructure, pipelines and risers, the marine spread and onshore disposal, and site remediation.
Decommissioning of refineries, petrochemical and chemical plants, pharmaceuticals, fertilisers and industrial water and waste: 35 activities in six scope groups, from equipment dismantling and hazardous-material decontamination to environmental remediation and closure.
End-of-life of renewable and new-technology facilities: 31 activities in six scope groups — onshore and offshore wind, solar PV, hydrogen and power-to-X, battery storage, and the shared site works and disposal.
Mine closure: 23 activities in six scope groups — tailings storage closure, open pit and underground, plant demolition, water management and acid mine drainage, site rehabilitation, and post-closure monitoring.
Decommissioning of nuclear facilities: 20 activities in six scope groups — reactor and primary systems dismantling, radioactive waste, spent fuel, balance of plant, site remediation and licence termination, and deferred storage.
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Go to AACE Estimates → New estimate, pick the class (5 to 2), the facility type and the country. For a quick order of magnitude use Benchmarks → Cost Curves. The in-app navigation guide explains each step.
Every benchmark and estimator has the Metric ⇄ Imperial switch, the country (applies the CAF Location Factor) and the escalation year (Kpex Cost Index). Base values are in USD, normalised to the US Gulf Coast.
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