Compare the 30-year whole-of-life costs for soil-based, sand-based, and artificial turf sports fields. Based on the Sports New Zealand cost model with updated 2024 Treasury discount rates.
| Metric | Soil-based | Sand-based | Artificial Turf |
|---|
Year-by-year cumulative financial performance discounted to present value
Relationship between annual usage hours and present value of total lifecycle costs
Break-even cost per hour required to achieve target NPV for each surface type
Select your New Zealand location for NIWA climatological data (1991-2020)
Data source: National Institute of Water & Atmospheric Research (NIWA)
How weather variations impact field usage and maintenance costs
Define what matters most to your community in sports facility planning
How much does upfront investment cost matter?
How important is long-term cost optimization?
How much does earning potential matter?
How important is maximizing playable hours?
How much does weather independence matter?
How important is environmental sustainability?
Weights are automatically normalized to 100%
Weighted multi-criteria comparison of surface options
Detailed scoring breakdown by criteria
| Criteria | Weight | Soil Score | Sand Score | Turf Score |
|---|---|---|---|---|
| Overall Weighted Score | 100% | - | - | - |
Configure thresholds for risk level classification
Thresholds determine risk level classifications in the analysis results.
Configure uncertainty ranges for Monte Carlo risk analysis (100,000 simulations)
Costs rarely decrease, often increase due to ground conditions
Good/bad weather years affect maintenance needs
Weather significantly impacts playable hours
Drainage system complexity can add significant costs
Sand replacement and drainage maintenance varies
Better weather resilience than soil fields
Standardized process, minimal cost variation
Predictable schedules, occasional repairs
Weather-independent, consistent availability
Analysis takes 10-15 seconds to complete
Probability distribution of Net Present Value outcomes
Box plot showing NPV percentiles and risk ranges
Key risk indicators and confidence intervals from 100,000-iteration Monte Carlo analysis
| Surface Type | Mean NPV | Std. Deviation | Probability of Loss | Value at Risk (95%) | 90% Confidence Interval |
|---|---|---|---|---|---|
| Run Monte Carlo analysis to view risk metrics | |||||