SCP-8204 — SCP-8204 | Cost Breakdown

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SCP-8204 Neutralized ~ medium confidence

SCP-8204

Expected annual

$14.8M

One-time setup

$192.7M

Annual recurring

$13.9M

Personnel

Large one-time deep-sea engineering and salvage expenditures dominate costs (survey, ROVs, vessels, permanent stabilization); ongoing annual costs are moderate and driven by specialized staff, vessel charters, ROV maintenance, and monitoring.

🏗️ One-Time Capital Costs Total: $192.7M

Replacement Habitat Decommissioning $50.0M

[#22] Replacement habitat / controlled decommissioning option (chosen mid-range for serious decommissioning / retrieval).

Contingency Reserve Allocation $44.5M

[#25] Escalation/unknown-risk contingency reserve (30% of subtotal one-time costs before contingency).

Permanent Stabilization $25.0M

[#8] Permanent structural stabilization / containment modules (mid-scale containment work).

Rovs Purchase $20.0M

[#4] Purchase of deep-rated work-class ROV/AUV hardware (capital purchase, representative of 1–2 units).

Fiber Installation $20.0M

[#5] Fiber-optic seafloor communications & tether installation (mid-range $5M–$50M).

Vessel Campaign $6.0M

[#3] Long-term support vessel campaign (60-day DP vessel): mid-range ~$6M one-time campaign cost.

Pressure Parts Inventory $5.0M

[#10] Pressure-rated replacement parts and spare inventory (full parts inventory estimate).

Survey Campaign $3.5M

[#1] Initial deep survey & mapping (DP vessel + ROV/AUV campaign): chosen mid-range ~$3.5M.

Emergency Standby Contracts $3.0M

[#18] Emergency contingency & catastrophic-salvage standby mobilization/standby contracts (representative).

Initial Research And Lab Setup $2.5M

[#11] One-time onshore wet lab, hyperbaric and medical setup for sample analysis and decompression care estimated at $0.5M–$5M; mid-range chosen.

Sensor Network Installation $2.0M

[#6] Seafloor sensor network & acoustic telemetry nodes (10–30 node practical network; mid-range ~$2M).

Temporary Sealing Campaign $2.0M

[#7] Temporary sealing & grout-injection tooling and materials for targeted campaign (~$0.5M–$5M).

Dewatering Systems $2.0M

[#9] Deep-sea pumps, ballast, active dewatering system setup (representative mid-range).

Salvage Hazard Removal $2.0M

[#17] Salvage & hazardous-material removal (mid-range estimate).

Tooling Development $1.5M

[#21] Specialized tooling & robotics R&D and build for bespoke deep repairs (~$0.5M–$10M).

Manned Submersible Deployment $1.2M

[#2] Ultra-deep manned sub deployment / multi-dive campaign; per-deployment mid-range $1.2M.

Legal Cover Setup $1.0M

[#13] One-time legal / cover-story setup and initial PR/indemnity arrangements (~$0.5M–$10M).

Environmental Assessment $500K

[#14] Initial environmental impact assessment and mitigation studies (~$0.2M–$2M).

Redundancy Initial $500K

[#23] Monitoring redundancy & failover systems initial hardware and staging (~$0.2M–$3M initial).

Data Infrastructure Initial $300K

[#16] Initial secure data handling infrastructure and storage (~$0.1M–$1M).

Decontamination Setup $200K

[#24] Decontamination/quarantine/biosecurity initial setup (~$0.1M–$2M).

Facilities $0

[]

Equipment $0

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🔄 Annual Recurring Costs Total: $13.9M/yr

Staff Wages $5.0M/yr

[#12] Salaries, benefits, travel for operations, ROV pilots, engineers, marine crew, scientists (~$2M–$8M for 20–50 people).

Vessel Charter Recurring $1.5M/yr

[#3] Recurring short charters and periodic inspections (~$0.5M–$3M/yr; chosen mid-range $1.5M).

Research And Monitoring $1.0M/yr

[#19] Long-term monitoring program, periodic inspections, routine ROV/sub campaigns (~$0.5M–$5M/yr).

Cover Story And Legal $1.0M/yr

[#13,#20] Security, covert operations, cover-story, insurance, legal defense (~$0.2M–$5M/yr each; combined estimate).

Rov Operation Maintenance $1.0M/yr

[#4] Annual maintenance, spares and operational costs for deep-rated ROVs/AUVs (~$0.5M–$3M/yr).

Emergency Reserve Fund $1.0M/yr

[#18] Annual reserve and retainer costs for emergency mobilization / standby contracts.

Fiber Maintenance $500K/yr

[#5] Maintenance and repair for seafloor fiber/power tether (representative recurring expense).

Grout Injection $500K/yr

[#7] Recurring grout/epoxy injection if repeated stabilization needed (contingent but budgeted).

Parts Restock $500K/yr

[#10] Replenishment of pressure-rated spare parts inventory.

Onshore Lab Operation $500K/yr

[#11] Operating costs for wet lab, hyperbaric, and analysis facilities (~$0.2M–$1M/yr).

Supplies And Consumables $300K/yr

[#15] Consumables & logistics for light ongoing monitoring (~$0.2M–$1M/yr).

Facilities Maintenance $200K/yr

[]

Sensor Network Maintenance $200K/yr

[#6] Annual maintenance for seafloor sensor nodes (~$50k–$500k/yr range).

Tooling Iteration $200K/yr

[#21] Iterative R&D and replacement tooling for bespoke robotics and manipulators.

Logistics And Transport $150K/yr

[#3,#15] Logistics, port fees and monthly unmanned deliveries baseline (article notes monthly unmanned deliveries).

Pumps Power Maintenance $100K/yr

[#9] Power and maintenance for pumps and active dewatering systems.

Data Handling Bandwidth $100K/yr

[#16] Satellite bandwidth, secure storage and compute for large deep campaign datasets (~$50k–$500k/yr).

Redundancy Maintenance $100K/yr

[#23] Maintenance for redundant power/comms/sensor chains.

Decontamination Operations $100K/yr

[#24] Ongoing decontamination, quarantine operations if active.

Contingency Maintenance $0/yr

[#25] Contingency reserve maintained as needed; baseline assumes no recurring top-up.

⚡ Cost Scenarios

📊 Baseline (baseline) $13.9M/yr

89.0% probability / year

Routine year with scheduled inspections, monitoring, and no major incidents.

scheduled_inspections routine_maintenance

🚨 Minor Incident $16.9M/yr

10.0% probability / year +$3.0M vs baseline

Localized structural failure or leak requiring an emergency short campaign and modest repairs.

unexpected_leak sensor_alert localized_structural_failure

🚨 Major Breach $64.0M/yr

1.0% probability / year +$50.0M vs baseline

Catastrophic collapse, major flooding, or exposure event requiring large salvage, replacement or decommissioning.

catastrophic_collapse major_flooding third_party_exposure

👥 Personnel 30 total

Role	Count	Notes
ROV Pilot / Technician	6	Specialized operators for deep-rated ROVs/AUVs; mapped to staff_wages [#12].
Marine Crew / Vessel Operators	8	DP vessel crew, deckhands and vessel support; mapped to staff_wages [#12].
Research Scientist	4	Scientists and analysts for sample work and anomaly study; mapped to staff_wages [#12].
Engineer / Maintenance	4	Mechanical/electrical engineers for ROVs, pumps, and structural work; mapped to staff_wages [#12].
Safety Officer / Medic	2	Hyperbaric medicine and safety oversight for deep operations; mapped to staff_wages [#12].
Project Manager / Administrative Staff	2	Program management, logistics coordination; mapped to staff_wages [#12].
Security Officer / MTF Agent	2	Security and information containment roles; mapped to cover_story_and_legal [#13,#20].
Data Analyst / Archivist	2	Data handling, storage, and archival operations; mapped to data_handling_bandwidth [#16].

📋 Confidence Notes

Analyst notes provide detailed technical cost ranges for almost every line item but ranges are wide and deep-sea engineering has high uncertainty; core recurring estimates are better constrained than potential one-time escalations.

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