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Decommissioning Cost
Costs
Facility shutdown cost
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Decommissioning cost
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Waste Management cost
Facility shutdown cost
Removal of inventory to obtain a state of
passive safety
Care and maintenance program to support
future decommissioning activities
Decommissioning Costs
Pre-decommissioning actions
Project management and support
Procurement of equipment and material
Dismantling & Decontamination activities
Care and maintenance
Site restoration, cleanup and landscaping
Research and development
Other costs
Pre-decommissioning actions
Characterization
Release criteria
Decommissioning strategy and costing
Availability of funds
Safety, security and environmental studies
Regulatory approvals
Project management and support
Project Management
Engineering services
Supporting services
Health and safety
Public relations
Procurement of equipment and
material
Cranes, forklifts, trucks, etc.
Decontamination equipment
Radiation protection equipment
Additional security equipment
Dismantling & Decontamination
activities
Deactivation of nonessential electrical systems
Removal of all contaminated and non-
contaminated systems from the facility
Decontaminate equipment if possible
Care and Maintenance
Applicable to immediate and deferred
dismantling
Security system maintained, fences, gates,
cameras etc.
Routine maintenance, buildings, electrical
systems, gardens, roads etc.
Monitor radiation levels inside and outside the
facilities
Site restoration, cleanup and
landscaping
Redundant facilities may be demolished
Re-used buildings need to be restored for its
new application
Site restoration may require land fill or grass to
prevent soil erosion
Care and maintenance fund in case of
limited/restricted release
Research and development
Dismantling technologies
Decontamination technologies
Physical mockups are the most reliable method to test new technologies
Other Cost
Consulting fees
Regulatory fees
Permits
Insurance
Overheads
Waste Management Costs
Collection
Storage
Characterization
Waste processing
Transport
Disposal
Costing Process
Materials Inventory
(according to classification)
Radiological Inventory
(contamination & radiation levels)
Waste Management
Facilities Data
(operating costs & capacities)
Schedule
(decommissioning & operational)
Decom costs (team/time estimates)
Cost Estimate
Processing Strategy
(based on actual and future processes)
Estimation Method
Divide the decommissioning project into measurable activities known as the work breakdown structure (WBS)
Work Breakdown Structure 1) Planning 1.1) Licensing
1.1.1) Decommissioning Strategy
1.1.2) Operational Safety Assessment
1.1.3) Security Plan
1.2) Site Preparation
2) Decommissioning 2.1) Building 1
2.1.1) Area 1
2.1.1.1) System 1
2.1.1.1.1) Component 1
2.1.1.2) System 2
2.2) Building 2
3) Site Remediation 3.1) Remediation Plan
3.2) Demolishing of structures
Cost Groups
Labor
Capital and Material
Overheads
Work Sheet
Conversion Facility Decommissioning Summary Cost Estimate
WBS Activity Remove Decon Pack Ship Disp Other Total
Total Cost $4,500 $5,500 $1,300 $3,300 $7,100 $31,300 $52,500
1 Planning $26,500 $26,500
1.1 Licensing
1.1.1 Decommissioning Strategy $6,500 $6,500
1.1.2 Operational Safety Assessment $9,000 $9,000
1.1.3 Security Plan $3,000 $3,000
1.2 Site Preparation $8,000 $8,000
2 Decommissioning $2,000 $5,500 $1,300 $1,300 $2,100 $1,300 $13,500
2.1 Building 1 $3,000 $3,000
2.1.1 Area 1
2.1.1.1 System 1
2.1.1.1.1 Component 1 $500 $300 $400 $800 $500 $2,500
2.1.1.2 System 2 $1,500 $800 $900 $1,300 $4,500
2.2 Building 2 $2,500 $800 $3,300
3 Site Remediation $2,000 $2,000 $5,000 $3,500 $12,500
3.1 Remediation Plan $3,500 $3,500
3.2 Demolishing of Structures $2,000 $2,000 $5,000 $9,000
Developing the cost estimate
Drawings and Specifications
Known cost of an item from earlier estimates
Historical databases on similar systems
Estimate by examining previous estimates of
the same or similar projects
Expert opinion of several specialists
Cost Assessment Accuracy
ESTIMATE
DEFINITION ACCURACY REQUIREMENTS FOR ESTIMATE
Class I
Definitive Estimate ± 6%
Estimate made during the
implementation phase.
Approved quotations for projects.
Class II
Scope Estimate ± 10%
Estimate made when the detail design of
the projects is available.
Estimate by quantity surveyor.
Class III
Budget Estimate ± 20%
Estimate made when the conceptual
design of the projects is available.
Estimate by in-house experts + Quotes.
Class IV
Study Estimate ± 30%
Estimate at an early stage when limited
information is available on the projects.
Estimate by in-house experts.
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