Fair Haven City Zoning Code
§ 30-9.3G
Exhibit G.
[2002 Code § Exhibit 16.36.030G]
MAXIMUM TRENCH DEPTH — PIPE CLASS REQUIREMENTS FOR REINFORCED CONCRETE PIPE | |||
|---|---|---|---|
Pipe Diameter (inches) | Maximum Widths of Trench at Top of Pipe | Depth — Feet Pipe Class | |
IV | V | ||
12" and smaller | 3'-0" | 6.5 | 18.0 |
15" | 3'-8" | 6.0 | 14.0 |
18" | 4'-0" | 7.0 | 16.0 |
21" | 4'-3" | 8.5 | 17.5 |
24" | 4'-6" | 9.0 | 20.0 |
30" | 5'-0" | 10.5 | 22.5 |
36" | 5'-8" | 11.0 | 22.0 |