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I have an open ditch with many culverts that dumps into a small creek. How do you calculate the hydraulic grade line of an open ditch system? I was told by someone here in the office to take the water surface elevation at the creek and carry it upstream at the same slope as the ditch, making...

I'm designing an industrial building expansion that will go over some existing storm sewer. Because of flow lines, I cannot route around the building. I was thinking of replacing the RCP pipe with steel (cast iron) and backfilling with cement stabalized sand to make sure it never moves. Does...

When you move or copy entities, look at the text line. It tells you how many objects you have selected. If these circles are on the same layer, you can just isolate that layer and move or copy them. Otherwise, you may need to use "filter" to grab only the circles. I hope this helps.

I need a simple COGO program. It can run in ACAD or be a stand alone program. I don't want something like ACAD Land Development. It's too complicated for some of the simple things I need to figure out. I just need some basic curve data and area information. I don't want to spend the next...

I'm looking for a nice simple cogo package for my PC. It needs to be able to work under Windows 95 and 98. I'm not looking for something very complicated and it must be user friendly. I don't want a program that is going to take me a few hundred hours to learn. I don't have the time. Any...