[#1, #4, #9] Reinforced concrete pad/foundation ($150,000), geotechnical/site assessment ($10,000), and reinforced test corridor/berm ($150,000).

[#23] One-time contingency for scaling/sale/expansion of equipment (1–3x capital budget contingency).

[#19] Initial insurance/liability reserve set aside as a one-time contingency fund.

[#2, #3, #5, #11, #12, #15] Fabricated steel cradle/anchoring and transport interface ($30,000), note on optional purchase of heavy-lift equipment (purchase cost $500k–$2M) referenced but not included here, diesel storage tank and secondary containment ($20,000), remote-control consoles and sensors one-time portion ($30,000), fuel-handling safety systems one-time portion ($10,000), surveillance/safe/CCTV one-time ($5,000).

[#14] Analytical/diagnostic equipment purchase or contracting setup (laboratory equipment or initial contracting) estimated at $40,000.

[#21] One-time SOP development and initial training program development costs.

[#6] Initial environmental compliance permits and initial compliance audit (one-time portion).

[#7] Incremental dedicated personnel: 0.5 FTE senior researcher + 1.0 FTE technician + 2 guards (combined incremental salary & benefits).

[#3] Rental of 100-ton-class cranes / multi-axle transport and certified crews for moves: assumed ~4 full-day moves/tests per year at ~$15,000 per move (rental + crew + permits). Purchase alternative ($500k–$2M) noted but not assumed.

[#10] Annual contingency fund for structural repairs and infrastructure damage from tests.

[#19] Ongoing reserve contribution for uninsured contingency/liability exposure.

[#23] Annual contingency reserve to enable scaled testing/procurement if a decision to expand is made.

[#14] Ongoing analytical, diagnostic testing, and contracted lab-time (R&D) budget.

[#17] Baseline annual budget for legal, liaison and cover operations / PR suppression and witness management contingency.

[#18] Budget set-aside for medical/amnestic supplies and administration if used.

[#8] Contracted medic/ambulance standby during tests (~$1,500/test day * 4) plus annual training/supplies.

[#5] Diesel fuel consumption for SCP-115-1 for testing and relocations; estimate includes routine refueling based on moderate test frequency.

[#22] Budget reserve for cleanup and hazardous-waste disposal per smaller incident expectations.

[#16] Administrative overhead for inventory control, documentation, and audit labor.

[#21] Ongoing training, drills and refresher SOP exercises.

[#11] Annual maintenance and support for redundant remote-control consoles, telemetry and fail-safes.

[#20] Long-term research archival storage, data retention and sample preservation.

[#6] Annual permitting renewals, monitoring and reporting costs.

[#24] Electricity for monitoring, extra utilities, janitorial, and small office supplies.

[#12] Maintenance for fuel-handling safety systems and leak detection.

[#15] CCTV, secure storage audits and logging software maintenance.

[#13] Small consumables (controller batteries, PPE, small supplies) <$500/yr.