| Parameter | Value |
|---|---|
| Standard | ASTM F679 |
| Stiffness Class | PS115 |
| Pipe Stiffness | 115 lb/ft² |
| Nominal Diameter | 21 inch |
| OD (nominal) | 22.05 in |
| Wall Thickness (min) | 0.938 in |
| Manning's n | 0.010 – 0.011 |
| Max Deflection | 5% — SEWER040 |
| Fresno Min Slope | 0.09% (Table 5.2) |
| d/D max | 0.75 (>18") |
| Self-clean vel | 2.0 fps @ half-full |
| Bedding | Class II/III to springline |
| CCTV | Yes — NASSCO PACP |
| Fresno Approval | SEWER032 ✓ |