Research Article
Construction and Evaluation of Rainwater Harvesting System for Domestic Use in a Remote and Rural Area of Khulna, Bangladesh
Table 1
Runoff coefficients for traditional roofing materials.
| Type | Runoff coefficient |
| Galvanized iron sheet | >0.9 | Corrugated metal sheet | 0.7–0.9 | Tiles | 0.8-0.9 | Concrete | 0.6–0.8 | Brick pavement | 0.5-0.6 | Rocky natural catchment | 0.2–0.5 | Soil with slope | 0.0–0.3 | Green area | 0.05–0.1 |
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