[#2, #3, #4, #5, #6, #8, #9, #10, #11, #14, #18, #19, #21] Two-door airlock hardware, redundant PLC/timers, electromagnetic locks, two primary thermal cameras and spares/housings, NVR/server hardware, initial on-prem storage, precision time server hardware, UPS hardware, observation consoles, secure note pass-through install, evidence vault/scanning hardware, initial cybersecurity setup.

[#1, #13] Structural modification of an existing humanoid containment cell including demolition, reinforcement, installation of an airlock envelope and HVAC/ducting modification to reduce thermal noise.

[#15, #17] Core staffing: 6FTE dedicated guards (security) and scientific staff (1 lead + 2 technicians + 1 analyst) including base pay and 30% benefits/hazard premium.

[#26] Liquid contingency/insurance reserve to be available for unexpected incidents, cleanup, or emergency containment actions (mid-range of recommended band).

[#16] Pro-rated allocation for assigned MTF/containment response readiness: training, vehicles, equipment and on-call premiums.

[#27] Pro-rated site-level administrative overhead: management, permits, utilities and site security allocations.

[#22] Legal counsel, public affairs/cover-story maintenance and liaison costs.

[#23] Budget for controlled testing consumables, special experimental equipment, and staff overtime related to experiments.

[#24] Annual capital reserve for amortized replacement/refresh of cameras, NVRs, doors, PLCs (3–7 year cycle).

[#19] Staffing and archiving workflows for physical/digital evidence (scanning, encryption, chain-of-custody).

[#7, #8, #9, #10] Annual maintenance and calibration for thermal cameras, NVR/server maintenance, on-site storage operations/backups, and time-server maintenance.

[#20] Ongoing psychological screening and counseling for staff interacting with temporally anomalous subject.

[#21] Ongoing SIEM/monitoring, integrity audits and cryptographic signing services for logs and video evidence.

[#12] Pro-rated share of site generator fuel and maintenance attributed to SCP-4055 containment systems.

[#25] Power consumption for cameras, servers, HVAC and support (mid-range estimate).

[#13] Additional energy and maintenance for HVAC modifications to stabilize cell thermal environment.

[#18] Consumables for secure note exchange (tamper-evident pens/paper, wipes, tags) estimated at mid-range.

[#11] Annual UPS service/maintenance contract for short-term backup that supports interlock, cameras and NVR until generator transfer.