[#1, #3, #9, #18, #28] Includes property acquisition/lease purchase (midpoint), perimeter hardening/fencing, electrical hookup and switchbox installation, construction/retrofit of secure soundproof holding/observation rooms, and an assumed decommissioning/disposal budget if/when required.

[#20] Initial biomedical/surgical research program startup costs (imaging/trials/specialized instrumentation) as a program-level one-time expense.

[#5, #6, #11, #12, #13, #15, #17, #24] One-time purchases including guard vehicles and patrol equipment, thermal imaging camera system hardware, backup generator hardware, intrusion/tamper alarm installation, hardened audio capture gear, drones and spares, initial emergency/containment supplies, and initial training materials.

[#4, #7, #21] Salaries, benefits and shift coverage for 24/7 perimeter security staff (guards + supervisor), remote monitoring analysts (24/7 coverage), and ongoing research/lab staff (biologists, acousticians, clinicians, technicians).

[#19] Long-term secure medical/support costs for recovered SCP-1355-1 subjects (midpoint budget for multiple subjects; note uses example of ~5 subjects).

[#6, #8, #14, #29, #13, #20] Non-wage monitoring and research costs: camera system maintenance, secure data storage and off-site backups, redundant sensor/replacement budgets, annual technology refresh/cybersecurity, audio equipment consumables/repairs, and ongoing program operational expenses for research.

[#27] Annual contingency reserve for unexpected containment incidents, equipment loss, and one-off expensive responses (~10% of ops budget estimated).

[#16] On-call Mobile Task Force readiness allocation, training and kit maintenance (response costs billed separately).

[#22, #23, #30] Legal/permit/redaction costs, public relations/cover operations and local liaison, and ethical/compliance oversight/internal audit costs.

[#5, #15, #26] Vehicle maintenance/fuel, drone maintenance/insurance, and transportation/logistics for samples, waste removal and cover-story deliveries.

[#2, #11, #10, #12] Annual property taxes, grounds maintenance and site insurance; generator fuel/maintenance; electricity to power lighting/monitoring; recurring alarm/monitoring service fees.

[#25] Ongoing counseling, mandated rotations, screenings and psychological support for personnel exposed to the anomalous music.

[#17, #24] Recurring restock of emergency medical and containment supplies and ongoing training consumables/PPE and memetic-awareness program consumables.