Analysis for a 6,000 sq ft concrete skatepark with basic features including quarter pipes, banks, ledges, and rails. *Amortized over 30-year lifespan* ### Summary (Per Person Based on 1000 Residents) | Cost Type | Dollars | Hours | |-----------|---------|--------| | Amortized Initial Costs | $6.67 | 0.016 | | Annual Maintenance | $2.50 | 0.024 | | **Total Annual Cost** | **$9.17** | **0.040** | ### Initial Construction Costs | Component | Initial Cost ($/hrs) | Annual Cost ($/hrs) | Per Person ($/hrs) | Notes | |-----------|---------------------|---------------------|-------------------|--------| | Site Prep | $15,000/120 | $500/4.0 | $0.50/0.004 | Grading, drainage, compaction | | Concrete Work | $120,000/800 | $4,000/26.7 | $4.00/0.027 | 6" thickness with steel reinforcement | | Features/Coping | $25,000/160 | $833/5.3 | $0.83/0.005 | Metal edges, rails, transitions | | Drainage System | $8,000/80 | $267/2.7 | $0.27/0.003 | French drains, catch basins | | Safety Features | $7,000/40 | $233/1.3 | $0.23/0.001 | Signs, lighting, fencing | | Design/Engineering | $25,000/0 | $833/0 | $0.83/0 | Professional services | | **Total** | **$200,000/1,200** | **$6,667/40** | **$6.67/0.016** | | ### Annual Maintenance Costs | System | Material Cost | Hours | Per Person Cost | Per Person Hours | Notes | |--------|--------------|-------|-----------------|------------------|--------| | Concrete Repair | $800 | 32 | $0.80 | 0.008 | Crack filling, surface patching | | Feature Maintenance | $600 | 24 | $0.60 | 0.006 | Rail repair, edge maintenance | | Drainage Cleaning | $200 | 16 | $0.20 | 0.004 | Regular cleanout, inspection | | Safety Inspections | $400 | 20 | $0.40 | 0.005 | Monthly checks, repairs | | General Cleaning | $500 | 24 | $0.50 | 0.006 | Weekly sweeping, pressure washing | | **Total** | **$2,500** | **96** | **$2.50** | **0.024** | | ### Design Considerations - Location selected for good drainage and soil stability - High-quality concrete mix for durability - Steel reinforcement throughout - Proper slope for drainage (1-2%) - Smooth transitions between features - Non-slip surface treatment - Strategic lighting for safety - Clear sight lines for supervision - Multiple entry/exit points ### Maintenance Schedule - Daily: Basic cleanup - Weekly: Detailed cleaning, safety check - Monthly: Full inspection, minor repairs - Annually: Major repairs, feature maintenance - Every 5-7 years: Surface reconditioning ### Labor Requirements - Construction requires experienced concrete workers - Maintenance can be done by general maintenance team - Monthly skilled inspection needed - Community volunteers can assist with basic cleaning ### Risk Management - Regular safety inspections - Clear usage rules posted - First aid station nearby - Good lighting for evening use - Security cameras recommended - Emergency contact information displayed