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SCP-3790 Unknown ~ medium confidence
SCP-3790
Expected annual
$575K
One-time setup
$1.3M
Annual recurring
$558K
Personnel
4.3
Initial one-time setup and property control are the dominant upfront costs (~$1.35M); annual operations (~$558k/yr) are driven mainly by guard wages, regional rapid-response allocation, and legal/cover maintenance.
🏗️ One-Time Capital Costs Total: $1.3M
Facilities $815K
[#1, #9, #25] Site control/property acquisition, specialist sealing/welding work, and optional demolition/entombment costs (one-time structural/physical work).
Containment Contingency Fund $400K
[#18] One-time recommended contingency fund for major remediation, resealing, demolition, or hazardous cleanup.
Initial Research And Lab Setup $52K
[#7, #8, #10, #11] Structural & safety survey, environmental/hazardous materials testing, non-destructive site mapping (GPR/LiDAR), and initial forensic/document analysis costs (one-time research/setup activities).
Equipment $28K
[#2, #5, #6, #15] Padlocks/hardware, CCTV installation (one-time portion), UPS/backup hardware (one-time portion), initial PPE and confined-space kits.
Cyber Records Sanitization $25K
[#12] One-time cyber/records sanitization, legal filings, takedowns, and initial digital remediation to remove public traces.
Hazardous Waste Disposal $25K
[#19] Per-operation disposal & licensed hazardous-waste handling (budgeted as a one-time per-event cost estimate).
Legal Signage $2K
[#23] One-time costs for official signage, injunction filings or similar legal orders and associated fees.
🔄 Annual Recurring Costs Total: $558K/yr
Local Rapid Response Pro Rata $300K/yr
[#4] Pro-rated share of regional rapid-response tactical/hazmat team readiness, training, vehicle availability, and contingency staffing.
Staff Wages $162K/yr
[#3, #17] Four full-time guards for 24/7 coverage (wages and employer costs) plus fractional administrative/recordkeeping oversight (0.2–0.5 FTE).
Cover Story And Legal $40K/yr
[#13] Legal counsel retainer, front-company maintenance/accounting, and cover-story overhead.
Facilities Maintenance $19K/yr
[#5, #16, #21] Ongoing CCTV/monitoring maintenance and comms, periodic inspection/maintenance visits, and corrosion/lock replacement mitigation.
Insurance And Taxes $10K/yr
[#14] Insurance premiums, property taxes, council/business rates and municipal fees related to the site.
Research And Monitoring $8K/yr
[#11, #24] Ongoing forensic/document archival handling costs and long-term secure archival/data-backup storage fees.
Public Safety Coordination $8K/yr
[#20] Coordination/liaison reimbursements and occasional joint exercises with local emergency services.
Cyber Monitoring $5K/yr
[#12] Ongoing cybersecurity and monitoring to maintain digital deniability and watch for re-appearance of public records.
Medical Surveillance And Insurance $5K/yr
[#22] Medical surveillance, injury coverage and emergency training for posted guards.
Power Continuity Maintenance $1K/yr
[#6] Annual fuel/maintenance and service for UPS/backup battery systems or small generator servicing.
Supplies And Consumables $1K/yr
[#15] Consumable PPE and decon supplies replacement and small replenishments.
Logistics And Transport $0/yr
[]
⚡ Cost Scenarios
📊 Baseline (baseline) $558K/yr
87.5% probability / year
Normal year with no incidents beyond routine operations and upkeep.
routine_operations no_breach scheduled_maintenance
🚨 Minor Incident $608K/yr
10.0% probability / year +$50K vs baseline
Small unauthorized entry or localized seal failure requiring overtime, resealing, limited cleanup, and increased monitoring.
unauthorized_entry seal_compromise minor_contamination
🚨 Major Breach $958K/yr
2.0% probability / year +$400K vs baseline
Significant containment breach requiring multi-day remediation, heavy equipment, hazardous disposal, and possible temporary evacuation.
major_breach structural_failure large_scale_decontamination
🚨 Demolition Entombment $1.4M/yr
0.5% probability / year +$800K vs baseline
Decision or necessity to demolish or permanently entomb the structure to eliminate risk, incurring large one-off remediation/demolition costs.
policy_decision catastrophic_contamination irreparable_structure
👥 Personnel 4.3 total
Role Count Notes
Security Officer / MTF Agent 4 [#3] Four full-time guards to provide 24/7 nearby posting, shift coverage, leave and sickness.
Administrative Staff 0.3 [#17] Fractional FTE for recordkeeping, classification, O5 reporting and oversight (0.2–0.5 FTE budgeted).
📋 Confidence Notes
Analyst notes provide explicit line items and ranges for nearly all costs, but many items (property price, demolition scope, breach severity, regional rapid-response allocation) are uncertain; midpoint estimates used where ranges existed.
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