SCP-4156 — SCP-4156 | Cost Breakdown

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SCP-4156 Thaumiel ~ medium confidence

SCP-4156

Expected annual

$115.5M

One-time setup

$136.2M

Annual recurring

$113.2M

Personnel

320

Initial capital costs are large (mid-hundreds of millions) driven by town restoration, on-site power and environmental engines, production machinery and a sizable contingency reserve; recurring annual costs are dominated by personnel, energy, security, and data/compute operations.

🏗️ One-Time Capital Costs Total: $136.2M

Contingency Reserve $30.0M

[#27] Insurance-style contingency fund / emergency response reserve (capital held).

Facilities $25.0M

[#2] Upfront restoration/retrofit of Winston (SCP-4156-1) to 2017 state including façades, roads, utilities and hidden accessways.

Power Generation Capex $25.0M

[#4] On-site generation, UPS, backup generators, fuel tanks or microreactor purchase and installation for town + Site-98 + production load.

Angleton Engines Capex $9.0M

[#3] Purchase and installation of Angleton Environmental Stabilization Engines, perimeter filters, ducting and spare parts.

Production Machines Capex $6.0M

[#5] Procurement, secure conversion and integration of 300 SCP-4156-3 production machines and baseline spare inventory.

Cryobank Capex $6.0M

[#17] Medium cryobank and biomass processing lab buildout, cryo-freezers and secure cold storage capacity.

Decommissioning Reserve $5.0M

[#30] One-time reserved fund for eventual secure decommissioning and disposal of cognitive-manipulation hardware and SCP-4156-3 components.

Spare Parts Depot Capex $4.0M

[#6] Major spare-parts depot, custom tooling and emergency rebuild capacity for SCP-4156-3.

Storage Cluster Capex $4.0M

[#10] Initial on-premise storage arrays and compute cluster for archival storage and real-time processing of sensor feeds.

Surveillance Deployment $3.0M

[#9] Initial thousands-of-sensors audiovisual deployment (cameras, microphones, mounts, concealed wiring/fiber, tamper detection).

Security Gear $3.0M

[#13] Initial purchase of weapons, non-lethal systems, vehicles and gear for security forces and perimeter enforcement.

Research Projects Capex $3.0M

[#24] One-time budget for major R&D projects and prototypes (KALEIDOSCOPE/SCP-4156-3 upgrades, safety engineering testbeds).

Transport Hardware $2.5M

[#16] Specialized transport hardware (elevators, lifts, cargo vehicles) and secure delivery hardware from Site-98 to SCP-4156-1.

Replacement Planning Infra $2.0M

[#19] Planning/testing infrastructure to enable mass replacement capability (48-hour replenishment validation).

Environmental Mitigation Capex $2.0M

[#28] Initial environmental remediation works, ash-management infrastructure and corrosion mitigation outside the ash-free perimeter.

Environmental Dangers Installation $1.5M

[#14] Installation of secondary perimeter environmental hazards, controlled toxic zones and deception/booby systems.

Data Security Capex $1.2M

[#21] Specialized tamperproof hardware, encryption appliances and initial counterintelligence setup.

Kaleidoscope Capex $1.0M

[#7] Major hardware refresh / initial hardware for KALEIDOSCOPE prototype (memory-manipulation hardware).

Cognitive Infrastructure Deploy $1.0M

[#8] Deployment of hidden speaker networks, signal modulation hardware and initial software distribution infrastructure for cognito-agents.

Howard Cluster Capex $1.0M

[#11] Initial GPU/compute cluster for HOWARD (Learning Computer Tau-2) provisioning.

Legal Cover Story Setup $1.0M

[#22] Initial legal groundwork, cover-story creation and information-control startup costs.

Equipment $0

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Initial Research And Lab Setup $0

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🔄 Annual Recurring Costs Total: $113.2M/yr

Staff Wages $35.0M/yr

[#12] Salaries and loaded costs for research staff, psychologists, engineers, KALEIDOSCOPE operators, CCTV analysts, medical, maintenance, logistics and administrative staff (250–400 FTEs).

Energy Generation $12.0M/yr

[#4] Annual energy cost to run town, Site-98 and production at ~5–15 MW baseline (fuel/security premium included).

Security Forces $10.0M/yr

[#13] Wages, training, rotation costs and equipment sustainment for 100–300 guards and MTF rotations.

Supplies And Consumables $8.5M/yr

[#15] Monthly supplies for 6,297 specimens (food $6–12M/yr plus toiletries/clothing ≈ $1–3M/yr).

Facilities Maintenance $5.0M/yr

[#1] Site-98 operating costs: utilities, HVAC, structural maintenance, waste handling, site security, radiation/ash shielding and continuous life-support.

Storage Operations $5.0M/yr

[#10] Ongoing storage, backups, bandwidth, power, cooling and AI analysis compute costs for sensor feed retention and real-time processing.

Spares Staff $4.0M/yr

[#6] Specialist engineering staffing, on-call engineers, tooling consumables and emergency rebuild staffing for SCP-4156-3.

Research And Development $3.5M/yr

[#24] Continuous R&D for KALEIDOSCOPE, SCP-4156-3 improvements and safety engineering.

Cover Story And Legal $3.0M/yr

[#22] Ongoing legal, cover-up and information-control operations including redaction, bribery/influence operations and amnestic deployment costs.

Research And Monitoring $2.5M/yr

[#20] Behavioral monitoring, deviation response team, incident logging, analyst forensics and rapid KALEIDOSCOPE adjustments.

Angleton Engines Maintenance $2.5M/yr

[#3] Consumables, filter replacement and specialist maintenance for Angleton Environmental Stabilization Engines.

Kaleidoscope Upkeep $2.5M/yr

[#7] Software maintenance, compute, operators and security audits for KALEIDOSCOPE continuous operation.

Medical Care $2.5M/yr

[#18] Medical and maintenance care for artificial humans including diagnostics, prosthetics and consumables.

Production Machines Maintenance $2.0M/yr

[#5] Parts, routine maintenance and integration support for 300 SCP-4156-3 production units.

Howard Operations $2.0M/yr

[#11] Compute, ML engineers and content-generation pipelines for HOWARD running 24/7.

Data Security $2.0M/yr

[#21] Ongoing encryption, red-team audits, CI operations and anti-tamper maintenance.

Cryobank Operations $1.5M/yr

[#17] Storage power, monitoring, replenishment procurement and sterile supply-chain costs for biomass and cryostorage.

Logistics And Transport $1.2M/yr

[#16] Secure delivery/logistics for monthly resupply including vehicles, drivers, tunnel/elevator maintenance and guarded transport operations.

Surveillance Maintenance $1.2M/yr

[#9] Maintenance and replacement of cameras, microphones, wiring/fiber and tamper detection systems.

Welfare Programs $1.2M/yr

[#29] Psychological support, burnout prevention, debriefing and welfare programs for staff.

Cognitive Maintenance $1.0M/yr

[#8] Maintenance, replacement speaker network upkeep and any consumables/chemical agent procurement for cognito-agent delivery.

Environmental Dangers Maintenance $1.0M/yr

[#14] Monitoring and maintenance of deliberate external environmental hazards and safety management for personnel.

Oversight And Ethics $1.0M/yr

[#23] Ethics/oversight board costs, Director-level approvals and compliance staffing.

Red Team Drills $1.0M/yr

[#25] Red-team and full-scale contingency drills, replenishment validation and MTF exercises.

Environmental Remediation $1.0M/yr

[#28] Ongoing ash removal, erosion control and corrosion mitigation outside the ash-free perimeter.

Replacement Event Margin $500K/yr

[#19] Annual set-aside / readiness margin for peak production consumables & overtime (events cost $0.5–3M per event).

Records Logging $400K/yr

[#26] Secure immutable logging, audits and archival logging operations.

Contingency Reserve Maintenance $0/yr

[#27] Reserve held as capital for emergencies; no recurring spend assumed (capital allocation captured one-time).

⚡ Cost Scenarios

📊 Baseline (baseline) $113.2M/yr

80.0% probability / year

Normal year with planned operations, routine maintenance and no major incidents.

routine_operations scheduled_maintenance no_major_incidents

🚨 Minor Incident $118.2M/yr

15.0% probability / year +$5.0M vs baseline

Localized system failure or small security incident requiring replacements, repairs and incident investigation.

HOWARD/glitch single-production-line_failure localized_security_breach

🚨 Major Breach $143.2M/yr

4.0% probability / year +$30.0M vs baseline

Hostile survivor attack or large system malfunction causing significant population loss, infrastructure damage and mass replacements.

large_security_breach widespread_system_failure mass_replacement

🚨 Catastrophic Replacement Event $148.2M/yr

1.0% probability / year +$35.0M vs baseline

Catastrophic failure or coordinated attack forcing full population replenishment and emergency rebuild/contingency procurement.

full_population_euthanasia_and_rebuild simultaneous_infrastructure_loss major_software_corruption

👥 Personnel 320 total

Role	Count	Notes
Security Officer / MTF Agent	150	Perimeter security, rapid response teams and on-site guards for SCP-4156-1. MTF rotations included in security forces budget. [#13]
Research Scientist	30	Researchers overseeing SCP-4156-2/3 behaviour, production and systems R&D. [#12, #24]
Engineer / Systems Engineer	40	Engineers for power, environmental engines, production machine maintenance and Site-98 infrastructure. [#3, #4, #6, #5]
KALEIDOSCOPE Operator / Cognitive Specialist	20	Operators controlling memory edits and cognito-agent scheduling. [#7, #8]
CCTV Analyst / Monitoring Staff	30	Continuous audiovisual surveillance monitoring and incident detection. [#9, #10]
Medical Officer	10	Medical and maintenance care for artificial humans, triage and end-of-life handling. [#18]
Maintenance Technician / Specialist Technician	20	On-site technicians for routine maintenance, spares depot and production machine repairs. [#6, #5]
Logistics Crew / Drivers	10	Secure delivery and monthly resupply operations from Site-98 to SCP-4156-1. [#16, #15]
Administrative Staff / Oversight	10	Administrative, legal, ethics oversight and director-level liaison. [#22, #23]

📋 Confidence Notes

Estimates are grounded in analyst ranges and itemized line items from the article but many costs scale strongly with design choices (redundancy, power source, retention policy); ranges are wide and some operational contingencies are scenario-dependent.

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