SECTION 7 – CULVERTS
7-1 SECTION 7 CULVERTS Table of Contents SECTION 7 CULVERTS Table of Contents ........................................ .......... ........................................ ................................. 7-1 GENERAL ........................................ ........................................ .... 7-2 CULVERT HEADWALLS ........................................ ....................... 7-2 General ........................................ ....................................... 7-2 Conditions at Entrance ........................................ ..................... 7-3 Type of Headwall ........................................ ............................ 7-3 Debris Fins. ........................................ .................................. 7-6 CULVERT DISCHARGE VELOCITIES.
There are three (3) types of outlet control culvert flow conditions: 1. The headwater submerges the culvert opening, and the culvert outlet is submerged by the tailwater. The culvert will flow full (Condition A, Figure 7-3 in Appendix B of this Manual). 2. The headwater submerges the culvert opening, the culvert outlet is not
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