SCP-903
Euclid
~
medium confidence
SCP-903
Expected annual
$4.5M
One-time setup
$5.9M
Annual recurring
$4.4M
Personnel
37
Estimated one-time capital of $5,880,000 for portal hardening, destruction facilities, and contingency; ongoing annual operations of $4,420,000 driven primarily by security staffing, research personnel, and destruction/monitoring operations.
One-Time Capital Costs
Total: $5.9M
Annual Recurring Costs
Total: $4.4M/yr
Cost Scenarios
📊
Baseline
(baseline)
$4.4M/yr
Normal operational year with no major incidents; routine retrievals/destructions handled within SOP.
scheduled testing
routine retrievals
no breaches
🚨
Minor Incident
$4.7M/yr
Small containment incident or unexpected retrieval that causes additional repairs, overtime, and legal/investigative costs.
emergency retrievals
localized structural repair
minor legal/compensation payouts
🚨
Major Breach
$6.4M/yr
Significant containment failure or exposure requiring major repairs, large legal/compensation payouts, and extensive replacement of systems.
structural breach
public exposure
extensive equipment replacement
🚨
Decommissioning
$7.4M/yr
Decision to entomb/decommission the tunnel and terminate active operations, incurring major one-off civil works and remediation costs.
cost/risks deemed unacceptable
policy decision to entomb
major remediation project
Personnel
37 total
| Role | Count | Notes |
|---|---|---|
| Security Officer / MTF Agent | 15 | [#1] 24/7 armed guards (15 full-time) to cover both entrances and shifts. |
| Rapid-Response / MTF Team | 8 | [#2] On-call specialized team for retrieval/destruction (8 personnel). |
| Monitoring Operator | 6 | [#5] Control-room operators for 24/7 monitoring (6 operators). |
| Research Scientist / Laboratory Staff | 6 | [#13] 1 lead, 2 senior researchers, 3 technicians dedicated to SCP-903 study. |
| Engineer / Maintenance | 2 | [#22] Two skilled maintenance technicians for doors, generator, monorail upkeep. |
Confidence Notes
Line-item estimates were provided by the analyst with many explicit salary and capital numbers, but several items used ranges and midpoints (destruction suite cost, contingency/decommissioning choices), producing moderate overall uncertainty.