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Once again, thank you very much cvg. You've been very helpful.

Thank you very much, cvg. What do you think, though, of a design that would have the pipes almost mimicking the slope of the hill and utilizing two manholes (spaced 85 ft apart on the slope) and a perforated manhole at the foot of the slope. Would the resulting velocities be too high?

The hill is approx. 80 ft drop and the Q is 1.13 cfs (32 L/s). The discharge will be intermittent. We are using a 10 inch pipe.

Hello, I am trying to convey stormwater from a pond outlet down a steep slope (approx. 32% slope or 17.7 degrees) and need some help with my design. We are proposing the use of buried pipes and manholes and I am wondering if this is the best approach. Can someone suggest alternatives for both...