| Dimensions of Arch Pipe | ||
|---|---|---|
| Round Equivalent | Rise | Span |
| 15 | 11 | 18 |
| 18 | 13 | 22 |
| 24 | 18 | 29 |
| 30 | 22 | 36 |
| 36 | 27 | 43 |
| 42 | 30 | 50 |
| 48 | 36 | 58 |
| 54 | 40 | 65 |
| 60 | 44 | 72 |
| 72 | 59 | 81 |
| Dimensions in Inches | ||
| Dimensions of Arch Pipe | ||
|---|---|---|
| Round Equivalent | Rise | Span |
| 15 | 11 | 18 |
| 18 | 13 | 22 |
| 24 | 18 | 29 |
| 30 | 22 | 36 |
| 36 | 27 | 43 |
| 42 | 30 | 50 |
| 48 | 36 | 58 |
| 54 | 40 | 65 |
| 60 | 44 | 72 |
| 72 | 59 | 81 |
| Dimensions in Inches | ||