calculate_rainwater_collection
Calculate the annual volume of rainwater that can be collected from a roof. Input roof area, rainfall, and efficiency to estimate harvest potential for water conservation planning.
Instructions
Estimate annual rainwater collection volume from a roof. See list_bundles for related 'astronomie-nature' calculators.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| roof_area_m2 | Yes | Roof catchment area in square metres | |
| annual_rainfall_mm | Yes | Average annual rainfall in millimetres | |
| efficiency_pct | No | Collection efficiency percentage (default 80%) |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | No | Computed result. Object whose fields depend on the tool (e.g. {tax, marginal_rate, brackets} for tax tools, {volume_l, gallons} for volume tools). | |
| formula | No | Human-readable formula or method used (e.g. "I=P·r·t", "Magnus formula"). | |
| source | No | Authoritative source for the rule or formula (e.g. "Article 197 CGI", "NF DTU 21"). | |
| reference_url | No | Link to a calcul2 page documenting the calculation in detail. |