Trench Drain Sizing Calculator
Channel & Outlet Capacity Analysis
Comprehensive analysis tool for sizing trench drains, considering both channel capacity and outlet configurations.
Trench Properties
Drainage Area Properties
Total width draining to both sides (e.g., 20ft = 10ft each side)
Outlet Configuration
unknown
Capacity Assessment
Channel Utilization
0.0%
Outlet Utilization
0.0%
Drainage Area Summary
200 sq ft
(0.005 acres)
10 ft × 20 ft
Design Considerations
- Trench capacity should exceed expected runoff by at least 20%
- Flow velocity should prevent sediment accumulation
- Consider safety factor for intense rainfall events
- Account for future changes in drainage patterns