SCP-685 — SCP-685 | Cost Breakdown

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SCP-685 Euclid ~ medium confidence

SCP-685

Expected annual

$25.0M

One-time setup

$99.5M

Annual recurring

$22.3M

Personnel

Initial one-time construction and contingency reserves are the dominant costs (~$99.5M). Annual operations are substantial (~$22.3M/yr) driven by security, land monitoring, satellite/UAV data feeds, and research/maintenance.

🏗️ One-Time Capital Costs Total: $99.5M

Facilities $50.0M

[#1] Mountain hardened site construction with living quarters, watchtowers, helipad, reinforced mounts and blast/weather hardening.

Land Acquisition And Legal $20.0M

[#2] Purchase/expropriation/compensation/legal fees to secure 20 km radius.

Contingency Reserve Catastrophic $10.0M

[#22] One-time contingency reserve for catastrophic events / political escalation.

Decommissioning Reserve $5.0M

[#23] Decommissioning and long-term stewardship reserve.

Radar And Capture System Construction $4.0M

[#5] Design/build/integration of high-sensitivity RADAR, automated capture, robotic arm and retractable catwalk infrastructure.

Microgrid Buildout $3.0M

[#13] Solar + battery + backup-diesel microgrid build-out selected for resilience.

Initial Research And Lab Setup $2.5M

[#6, #16, #7] BSL-3 fit-out, autoclaves, initial specialized analytical equipment and sample-cold-storage integration.

Field Hospital And Hazmat $1.5M

[#12] Mobile decon trailers, portable field hospital and hazmat trailers purchase.

Secure Network And Servers $1.2M

[#15] Encrypted classified network, on-site servers and redundant off-site backup initial setup.

Vehicle Fleet And Heavy Lift $1.0M

[#14] Ground vehicle fleet, heavy crane and site mobility equipment.

Quarantine Suite Buildout $600K

[#9] One-time buildout of quarantine/isolation suites for rotating personnel.

Initial Training And Armament $300K

[#3] Initial security/MTF training, armament procurement and certification.

Probes Initial Design And Deploy $250K

[#17] Initial reinforced probe design and one deployment batch.

Explosive Hardware Emplacement $100K

[#10] Procurement and emplacement hardware for C‑4 charges and remote detonation systems.

Equipment $0

[]

🔄 Annual Recurring Costs Total: $22.3M/yr

Staff Wages $6.6M/yr

[#3, #9, #14] Salaries and benefits: site security guards (40 staff roster), on-call MTF specialists (30), engineers/maintenance, admin and site director.

Land Patrols And Monitoring $3.0M/yr

[#2] Ongoing aerial/ground patrols, compensation to locals, sensor ops to keep 20 km radius clear.

Satellite And Uav Ops $3.0M/yr

[#4] Lease of high-resolution commercial imagery / persistent UAV ops and secure comms feeds (baseline lease option).

Capital Replacement Reserve $1.5M/yr

[#21] Annual CAPEX reserve for equipment replacement (5–15% capital reserve).

Misc Overhead $1.2M/yr

[#24] Administrative overhead, training refreshers, travel and general site overhead (10–20% of ops).

Research And Monitoring $1.0M/yr

[#16] Scientific program funding (PI, postdocs, technicians, outsourced analyses) and ongoing testing budget.

Contingency Top Up $1.0M/yr

[#22] Annual top-up to contingency reserve for catastrophic or escalation events.

Facilities Maintenance $700K/yr

[#1, #14, #21] Site upkeep, road/helipad/structure maintenance, periodic CAPEX top-ups (non-replacement reserve).

Cover Story And Legal $500K/yr

[#19] Ongoing legal counsel, permits, cover-story PR and low-to-mid-level contingency payments.

Fuel And Power Ops $500K/yr

[#13] Fuel logistics and generator operations for remote site load.

Probes And Expendables $500K/yr

[#17] Annual replacement, R&D and attrition budget for probes/unmanned assets.

Medical Program And Quarantine $460K/yr

[#9] Ongoing quarantine testing for rotating staff (100 rotations/yr) and on-site medical staffing.

Emergency Response And Medevac $400K/yr

[#12] Medevac contract standby, emergency equipment ops and periodic field-hospital exercises.

Data Systems Ops $400K/yr

[#15] Bandwidth, secure comms, backups, cybersecurity monitoring and auditing.

Logistics And Transport $300K/yr

[#14] Ground transport, vehicle maintenance, road clearing and periodic heavy-lift support.

Radar And Capture Maintenance $300K/yr

[#5] Maintenance, recalibration and spare parts for RADAR, robotic arm and catwalk systems.

Bsl3 Operations $300K/yr

[#6] HVAC, certification testing, waste handling, and BSL-3 operational costs.

Explosive Detontation Contingency Reserve $200K/yr

[#11] Per-year reserve to cover low-probability detonation cleanup and replacement costs.

Environmental Monitoring $150K/yr

[#20] Air/water/soil monitoring, impact assessments and compliance reporting.

Supplies And Consumables $100K/yr

[#8] PPE, decon chemicals, autoclave consumables and specimen containers.

Waste Management $100K/yr

[#18] Autoclave waste processing, hazardous disposal contracts and tracking.

Sample Storage Ops $70K/yr

[#7] Freezer/cryostorage LN2/power, cataloging and off-site archival costs.

Explosive Storage Inspection $50K/yr

[#10] Storage magazine compliance, inspections and EOD training cycles.

Legal Cover Unquantifiable $0/yr

[#19, #25] State-level / nuclear-missile contingency costs are fundamentally unquantifiable in a standard budget; modeled as non-monetized strategic risk.

⚡ Cost Scenarios

📊 Baseline (baseline) $22.3M/yr

92.0% probability / year

Normal year with no major incidents; routine operations and maintenance only.

routine_monitoring no_detonations no major_equipment_failures

🚨 Minor Explosive Detonation $23.1M/yr

5.0% probability / year +$850K vs baseline

Small-scale use of charges requiring cleanup, limited replacement and legal/PR work.

use_of_C4_charges localized_env_cleanup replacement_charges

🚨 Major Detonation And Political Exposure $37.3M/yr

1.0% probability / year +$15.0M vs baseline

Large detonation or breach causing extensive cleanup, infrastructure damage and political/cover expenses.

failed_primary_containment extensive_environmental_damage national_level_exposure

🚨 Dedicated Satellite Launch $147.3M/yr

2.0% probability / year +$125.0M vs baseline

Decision to build/launch a dedicated small-sat constellation for persistent monitoring (capital-intensive event).

loss_of_lease_or_intel_access requirement_for_persistent_own_satellite

👥 Personnel 89 total

Role	Count	Notes
Security Officer / Guard	40	[#3] Site security roster (40 personnel referenced in notes).
MTF Specialist	30	[#3] On-call Mobile Task Force contingent (20–40; 30 assumed).
Research Scientist / Lab Staff	7	[#16] PI, postdocs and technicians funded by research budget.
Medical Officer / Nurse	2	[#9] On-site medical staff to manage quarantine and health surveillance.
Engineer / Maintenance	5	[#14, #5] Site engineers and maintenance personnel for generators, radars, catwalk and structural systems.
Administrative Staff	4	[#24, #15] HR, procurement, IT/admin to run classified operations and cover logistics.
Site Director / Executive Staff	1	[#1] Single site director / executive lead.

📋 Confidence Notes

Line-item operational and construction costs are reasonably bounded by analyst ranges, but political/state-level items (land expropriation extremes, nuclear contingency, large-scale cover-ups) are highly uncertain and unquantified, so overall confidence is medium.

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