[#1, #17, #25] Construction/modification of sprung evacuated anechoic chamber, surrounding structural/sound-isolation mitigation, and decommissioning/disposal budgeting.

[#2, #3, #4, #11, #14, #15, #12, #10, #20] Purchase/installation of vacuum system and feedthroughs, climate-controlled vibration-isolated locker, remote destruction manipulator/cutter, backup power gear (UPS/generator), CCTV/initial secure logging hardware, transport case, initial spares inventory, initial medical equipment setup, and initial SOP/tools procurement.

[#5, #6, #7] Research/lab buildout and specialized instrumentation: non-acoustic monitoring suite, handling benches/gloveboxes/non-magnetic tools, and precision measurement instruments (laser vibrometer, spectrum analyzer, micro-CT/confocal) worst-case purchases.

[#21] One-time contingency/reserve (20% of initial capital outlay) for unanticipated build/repair/recovery costs.

[#18] Initial legal/regulatory and cover-story/front-company set-up, permits and retainer for facility modifications and liability advice.

[#23] Secure classified document management systems and archival initial setup.

[#8, #9] 24/7 security staffing (~6 FTE), Senior Researcher, 1–2 technicians and part-time engineering support; salaries, benefits and overtime/on-call premiums included.

[#21] Annual contingency/reserve (35% of baseline OPEX excluding this contingency) for emergency repairs, replacements and incident response.

[#22] Insurance or internal liability reserve equivalent for accidents, claims or external damages.

[#4, #5, #7, #14, #20] Ongoing calibration, instrumentation maintenance (vibrometer/spectrum/etc.), remote-destruction testing/maintenance, secure log administration and recurrent training/drills.

[#2, #3, #11, #12, #16] Annual service contracts and maintenance for vacuum system, locker environmental service, backup power fuel/testing/maintenance, spare-parts replenishment, and cleanroom/housekeeping maintenance.

[#18] Annual legal retainer, regulatory compliance and cover-story/contracted maintenance costs.

[#13] Continuous energy costs for vacuum pumps, HVAC for chamber and locker, and monitoring systems.

[#6, #10] PPE, consumables for handling fragile mechanisms, and routine occupational-health supplies.

[#15] Expected annualized costs for secure transport events, case maintenance and occasional escorted transfers (per-transfer costs averaged over time).

[#19] Expected annualized cost for hazardous/anomalous waste handling and decontamination averaged over likely event frequency.

[#24] Recurring psychological screening, counseling and staff-rotation program costs to mitigate human-factors risk.

[#23] Secure storage, encryption, audits and archival rotation/admin.