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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.

End