Changes

Jump to navigation Jump to search
m
no edit summary
Line 6: Line 6:  
* The minimum level spreader length is 4 m and the maximum is 40 m.
 
* The minimum level spreader length is 4 m and the maximum is 40 m.
 
* The level spreader lip should be concrete, wood or pre-fabricated metal, with a well anchored footer, or other accepted rigid, non-erodible material.
 
* The level spreader lip should be concrete, wood or pre-fabricated metal, with a well anchored footer, or other accepted rigid, non-erodible material.
* The ends of the level spreader section should be tied back into the slope to avoid scouring around the ends of the level spreader; otherwise, short-circuiting of the facility could create erosion.
+
* The ends of the level spreader section should be tied back into the slope to avoid [[overflow]] scouring or erosion around the ends of the spreader.
 
* The width of the level spreader channel on the up-stream side of the level lip should be three times the diameter of the inflow pipe, and the depth should be 20 cm or one-half the culvert diameter, whichever is greater.
 
* The width of the level spreader channel on the up-stream side of the level lip should be three times the diameter of the inflow pipe, and the depth should be 20 cm or one-half the culvert diameter, whichever is greater.
 
----
 
----
8,255

edits

Navigation menu