We are designing a culvert extension across an existing roadway to which we are adding lanes. The channel is dry except during rain events, and several hundred cfs can be in the channel during larger storm events. What is the best way to control erosion during construction of the culvert...
oldestguy, thanks for weighing in - I was hoping you would!
I failed to mention that the excavation is in rock. There is a 1 to 2 foot clay layer at the surface, with a hard limestone layer beneath, and weathered limestone through which the groundwater appears to be flowing at a depth of 4-5...
Papa Gordo es el mejor! Thanks much - I think the developer has visions of pressurized water shooting out of the pavement. I'll have to school him on the laws of gravity.
beej67, nice summary. I suppose I could ask if his roofers must guarantee that their roofs will never sustain hail...
Significant flow of groundwater is entering the trench from the side, along a long segment of the storm sewer pipes. The pipes then turn and run in the direction of flow. Geotech and contractor suggest placing rock in the trench with filter fabric above the rock. This seems like a common...
