| Criterion | Table column head | ||
| Factor (in) | Constraint (out) | Procedure | |
| Proximity to pipeline | ≤4 km | >4 km | Buffer at 0.5 km interval |
| Proximity to river | ≤4 km | >4 km | Buffer at 0.5 km interval |
| Land cover | N/A | N/A | All land cover |
| Population | N/A | N/A | Point density |