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SCP-731 Euclid ~ medium confidence
SCP-731
Expected annual
$2.7M
One-time setup
$15.8M
Annual recurring
$2.6M
Personnel
25
Initial one-time capital and conversion work is the primary driver, with large items including site conversion, citywide welding/retrofitting, and a contingency reserve. Recurring costs are dominated by staff wages (security, research, surveillance) plus ongoing maintenance, utilities, and cover-story operations.
🏗️ One-Time Capital Costs Total: $15.8M
Emergency Contingency Reserve $8.0M
[#28] Emergency escape-response & citywide recapture contingency fund reserved for large-scale recapture, temporary welding crews, rapid deployment, and major PR/suppression operations.
Facilities $6.1M
[#1, #7, #8, #5] Structural conversion of tunnels into a mock sewer system (#1), sealing/retrofitting other horizontal access hatches within 5 km (#7), city-wide welding/downing campaign (#8), and rodent-proofing installation (#5). Includes permits, surveys, contractor cover-story payments, and installation of heavy-duty seals and meshes.
Equipment $1.0M
[#3, #14, #16, #17, #19, #20, #30, #33, #35] Pumps/tanks/piping installation (#3), surveillance camera/sensor installation (#14), power redundancy hardware (generators/UPS) (#16), access-control and decon hardware (#17), specialized containment/transport vehicle (#19), secure storage vault hardware (#20), communications hardware (#30), initial spare-parts stock (#33), and miscellaneous small capital tools (#35).
Cover Story Initial $400K
[#25] Initial legal/PR and cover-story budget for the anti-terrorism welding narrative, contractor payments, liaison with city/utility officials, and upfront settlements/cooperation fees.
Initial Research And Lab Setup $300K
[#21, #22, #27, #29] Research equipment and lab buildout (#21 equipment), vivarium/setup for animal care (#22), instrumentation to study transposition mechanics (instrumented manholes/telemetry hardware) (#27), and initial servers/data infrastructure for monitoring/analysis (#29).
🔄 Annual Recurring Costs Total: $2.6M/yr
Staff Wages $1.7M/yr
[#10, #13, #15, #21, #26] Salaries and benefits for site security staff (armed guards, supervisors, rapid-response) (#10), part-time/on-call medical staff (#13), surveillance/monitoring operators (#15), research team salaries (PI and techs) (#21), and ongoing cover-management staff (information-control operations) (#26).
Facilities Maintenance $312K/yr
[#2, #9, #16, #20, #34] Ongoing tunnel structural remediation and inspections (#2), manhole cover maintenance and monitoring (#9), generator/fuel maintenance (#16), secure vault monitoring (#20), and baseline utilities (water, sewer, electricity) (#34).
Research And Monitoring $237K/yr
[#12, #14, #21, #22, #23, #27, #29] Autopsy/forensic analysis and hazardous remains disposal (#12), recurring surveillance storage/maintenance (#14), research operating costs for behavioral studies (#21), ongoing vivarium operations (#22), pathology and research consumables (#23), telemetry/data costs for instrumented manholes (#27), and monitoring/data maintenance (#29).
Cover Story And Legal $125K/yr
[#26] Ongoing legal counsel, PR maintenance, payments/liaison to officials, and continuing cover-management operations to sustain the anti-terrorism narrative.
Logistics And Transport $55K/yr
[#11, #30] D-class handling, transport, and supply logistics (recruit/transport/house rotation) (#11) and recurring communications/service costs for hardened comms (#30).
Training And Psych Support $55K/yr
[#31] Regular training/drills for ambush scenarios and psychological counseling/resilience support for exposed staff.
Supplies And Consumables $38K/yr
[#3, #4, #18, #33, #35] Electricity/chemicals and consumables to operate pumps and simulated wastewater (#4), decon/doffing consumables and PPE (#18), annual spare-parts replenishment (#33), and small-item replacements (#35). (Note: capital pumps/tanks covered in one-time.)
Pest Control $30K/yr
[#6] Recurring professional pest-control contract: inspections, baiting, and extermination to keep vermin out of the mock system.
Biohazard Waste Management $30K/yr
[#24] Contracted removal and incineration of biological waste, permits, manifests, and hazardous disposal costs.
Documentation And Compliance $20K/yr
[#32] Documentation, archiving, classified logs, audit trails, and internal compliance reviews to ensure containment protocols are followed.
⚡ Cost Scenarios
📊 Baseline (baseline) $2.6M/yr
88.0% probability / year
Normal year with routine operations, maintenance, and no major containment incidents.
routine_operations scheduled_maintenance
🚨 Minor Incident $2.8M/yr
10.0% probability / year +$250K vs baseline
Localized transposition or small escape within contained network requiring targeted recapture and repairs.
localized_transposition minor_escape manhole_replacement
🚨 Major Breach $7.6M/yr
2.0% probability / year +$5.0M vs baseline
SCP-731-1 transposes into the public municipal network requiring citywide recapture, large-scale welding/retrofit work, and major PR/legal suppression.
citywide_escape public_exposure mass_recapture_ops
👥 Personnel 25 total
Role Count Notes
Security Officer / MTF Agent 14 [#10] Armed security staffing to patrol 17 access points, multiple shifts, supervisors, and a rapid-response team; count reflects 24/7 coverage.
Research Scientist 2 [#21] Principal investigator and senior researcher for behavioral studies of SCP-731-2.
Research Technician 2 [#21, #22] Lab techs supporting experiments, vivarium care, and sample processing.
Surveillance / Monitor Operator 4 [#14, #15] Analysts/operators who monitor CCTV and sensor feeds and maintain blind-spot coverage.
Medical Officer 1 [#13] On-call medic for routine checks, injury response, and occupational health.
Administrative / Cover-ops Staff 2 [#25, #26] Staff responsible for ongoing cover-story management, liaison, and legal/PR coordination.
📋 Confidence Notes
Analyst notes provide detailed line items and ranges but many items (city scale, number of hatches, and the contingency reserve) have large ranges and uncertainty. Estimates use mid-range selections; contingency scenarios remain highly uncertain.
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