SCP-4900 — SCP-4900 | Cost Breakdown

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SCP-4900 Safe ~ medium confidence

SCP-4900

Expected annual

$9.7M

One-time setup

$7.2M

Annual recurring

$9.7M

Personnel

Initial one-time capital of approximately $7.22M (driven by secure bunker construction, D-class housing, glazing and specialized interior build-out). Recurring annual costs are approximately $9.69M/yr, driven primarily by staff wages, D-class upkeep, OPSEC/counter-dissemination and the contingency/rapid-response fund.

🏗️ One-Time Capital Costs Total: $7.2M

Facilities $6.6M

[#1, #2, #3, #4, #11] Structural construction and interior hardening: reinforced bunker, amphitheatre/podium integration, ballistic glazing installation, adjacent O5 viewing cell, and D-class solitary housing buildout.

Equipment $498K

[#5, #6, #7, #8, #9, #18, #21, #25, #27] Hardware and installed systems: artifact cradle, HVAC & monitoring equipment, CCTV system, initial secure video storage hardware, time-locked lead-lined briefcases, generator/UPS purchase, access-control hardware, initial vehicle purchase, initial furnishings.

Vetting Initial $125K

[#29] Initial recruitment/vetting and investigative background for staff and contractors (one-time higher-cost screening and onboarding).

Initial Research And Lab Setup $0

[]

🔄 Annual Recurring Costs Total: $9.7M/yr

Cover Story And Legal $3.3M/yr

[#16, #28] Operation Babel secrecy/OPSEC & counter-dissemination budget and covert legal/economic cushion (monitoring, cyber-surveillance, legal retainers, cover narratives).

Staff Wages $1.8M/yr

[#13, #14] Security staffing (guards + supervisors) and ATF Alpha-b administration/senior researcher stipends (salaries, benefits, training).

Rapid Response Fund $1.8M/yr

[#24] Contingency and rapid-response budget for discovery of additional instances or emergency field containment (vehicles, mobile labs, teams).

D Class Operational $1.2M/yr

[#12] D-class operational costs: food, medical screening, utilities and basic upkeep for 40 subjects.

Research And Monitoring $400K/yr

[#23] Archive & research staff salaries and ongoing processing (translation, cataloging, secure indexing).

Training Program $325K/yr

[#15] Operation Babel/Indus Script training pipeline: curriculum, trainers, facilities and certification due to attrition and rotation.

Insurance $275K/yr

[#31] Insurance/risk reserves or hidden contingency for catastrophic failures and legal exposure.

Medical And Psych $250K/yr

[#17] Medical and psychological care for D-class and ATF members: screening, trauma care, medic staffing and pharmaceuticals.

Technology And Software Maintenance $88K/yr

[#30] Licensing, secure patching, video management system maintenance, logging and penetration testing.

Audits And Forensics $62K/yr

[#22] Periodic third-party forensics, audits and tamper inspections (contractor travel & fees).

Electricity And Utilities $60K/yr

[#19] Electricity and utilities allocated to containment cell, D-class quarters, HVAC, cameras and servers.

Vetting Renewal $50K/yr

[#29] Periodic reinvestigation, polygraphs and background renewals for cleared staff and contractors.

Custodial And Waste $40K/yr

[#26] Custodial sanitation, hazardous waste disposal and routine cleaning of containment cell and D-class quarters.

Logistics And Transport $30K/yr

[#20] Escort and secure courier operations for sealed briefcase transfers to O5-1 (in-compound couriers, chain of custody).

Vehicular Maintenance $25K/yr

[#25] Maintenance, fuel and upkeep for armored support/transport vehicles.

Long Term Data Migration $22K/yr

[#32] Annualized budget for periodic reformatting/migration and artifact condition reassessment (every few years).

Secure Storage And Archival $15K/yr

[#8] Ongoing costs for on-premise air-gapped storage upkeep, media replacement, integrity checks and power for archival video and flagged-event retention.

Power And Generator Maintenance $12K/yr

[#18] Fuel contracts, periodic generator load testing and UPS maintenance.

Facilities Maintenance $10K/yr

[#6] Climate control equipment maintenance and periodic servicing to maintain archival conditions.

Access Control Maintenance $10K/yr

[#21] Maintenance and service contracts for biometric readers, dual-control interlocks and audit systems.

Cctv Maintenance $6K/yr

[#7] Maintenance & replacement parts for the six hardened cameras and NVR.

Ppe And Consumables $6K/yr

[#27] Routine consumables and PPE replacement (gloves, cleaning supplies, replacement cushions over time).

Briefcase Servicing $3K/yr

[#9] Servicing, calibration and replacement spares for time-locked lead-lined briefcases.

Supplies And Consumables $2K/yr

[#10] Stationery, archival paper, writing instruments and small consumables for in-cell transcription.

⚡ Cost Scenarios

📊 Baseline (baseline) $9.7M/yr

93.8% probability / year

Normal uneventful year with routine operations, staffing, D-class upkeep, regular OPSEC and allocated contingency.

routine_operations no_security_incident no major OPSEC escalation

🚨 Minor Incident $9.8M/yr

5.0% probability / year +$100K vs baseline

Localized compromise (e.g., briefcase tamper, isolated data leak, minor disciplinary breach) requiring legal response and technical forensics.

briefcase_compromise isolated_data_leak minor_internal_policy_violation

🚨 Major Breach $12.2M/yr

1.0% probability / year +$2.5M vs baseline

Major containment or exposure event requiring field teams, aggressive OPSEC, extended legal interventions and possible acquisition operations.

containment_breach significant_data_exposure field_acquisition_needed

🚨 Catastrophic Breach $19.7M/yr

0.2% probability / year +$10.0M vs baseline

Severe political or public exposure (O5-level compromise, widespread leak) triggering extensive suppression operations, litigation, and large-scale emergency measures.

O5_exposure widespread_public_leak major_political_backlash

👥 Personnel 22 total

Role	Count	Notes
Security Officer / MTF Agent	18	[#13] Round-the-clock guard force with supervisors (estimated 12–20 guards + 2 supervisors; midpoint used).
Research Scientist / Senior Staff	4	[#14] ATF Alpha-b administration, handlers and senior linguists/epigraphers (assumed 3–6; midpoint used).

📋 Confidence Notes

Analyst notes provide detailed line-item ranges, but many items (OPSEC budgets, contingency funds, frequency of incidents) are highly discretionary and have wide ranges; mid-point estimates used for aggregation.

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