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Thanks, civilperson!

Hi, I am designing a rural street and am having problems giving proper exit to water. What would you recommend for "absoulte minimum" slope for v-ditch dirt swale. The swale measures 12' wide, 8% each side. Thanks, Roberttx

Hi, Vic31, You may want to start either with CNA or INEGI, both entities in Mexico. I am not sure if they have this particular info, but I might start there. Roberttx

Hi, Does anybody know the starting salary for a recent pe civil working in highway, roads and streets design, in texas (el paso) or similar areas? I also have 8+ yrs design experience, pre-PE. Thanks, Roberttx

Hi, bpeirson, The DXF format follows a certain format for lines as shown, LINE 5 20 100 AcDbEntity 8 0 100 AcDbLine 10 3.634743 20 2.447211 30 0.0 11 11.42476 21 5.082669 31 0.0 0 10,20 & 30 stand for x,y & z for first endpoint, whereas 11, 21 & 31 stand for x,y & z for second...

Hi, fyaure: You have to contact the State Board in which you plan to apply for commity of license. Hope that helps, Roberto.

Hi, I am sorry. I said the selection set is set whenever you undo. I meant the selection set is released whenever you undo, but you use may also save the set as an autolisp variable: (setq a (ssget)) and then use it for other acad commands, for example: Command: list Select objects: !a...

Hi, Jasonx10: Back from previous autocad versions, you could use SELECT command to make a selection set, and from then on, used them as previous. The selection set is set whenever you undo, back you can always use SELECT. Hope this helps, Roberttx

Hi, pmover: I just reviewed the problem with another guy; he came up with a solution. I had to compare vertical depths of sewer line and classify them in ranges (0 to 6 feet, 6 to 8 feet, 8 to 10 feet, etc) in order to pay for excavation items. However, what we did is export an ascii file for...

Hi, I have to make a calculation of several sewer lines depth against ground line indicating the depth in ranges (0-6 feet, 6-8, 8-10 etc.) The file is in autocad. Does anybody have an idea about how can I accomplish this through excel? Thanks a lot, Roberttx.

Hi, borgunit: These lines are not parell, are somehow horizontal. I have to calculate the difference in vertical profile for ground elevation and proposed sewer line, but both changes in slope and the calculation is depths of 0-2 feet, 2-4 feet and so on. We used to do it manually for few...

Hi, I have to calculate the vertical distance between two lines or plines and account for ranges (0-2, 2-4, 4-6, etc). Is there a way to do this in lsp? Thanks, Roberttx

Hi, longisland: You might find examples of these curves on Mannering's book: Principles of Highway Engineering and Traffic Analysis. Also, you need a certain distance between curves in order to perform the change of superelevation in the curve to the tangent. The maximum percent inside of...

Hi, cad123: I read it. I am not into dialog boxes. I am sorry. Good luck. Anyway, using Bayou's suggestion, you can still modify the profile using custom made lisp apps, like labeling slope, endpoints, lengths, etc. For instance, I am sending you a slope program I made. Robertx. (defun c:sc5...

Hi, Bayou: Nobody could say it better. I guess that's the simplest solution to create a profile with such data. Roberttx.

Hi, cad123: I can give you a hand if you send me a copy of your file. Roberttx.

Hi, I knew like 5 years ago of Softdesk software from its simplicity for designing roadways. Does anybody know if this software is still on the market? Where can I get more info? Thank you, Roberttx.

Hi, Sparticus17: You may be fine with your city's subdivision design codes and DOT's guidelines. Also, you may find useful the Land Development book by the National Association of Home Builders. Hope this helps, Roberttx.

Yes, that's correct.

Hi, Mpenn: I am sorry. I said it wrong. I was trying to say parabolic transition from regular superelevation to full super of the horizontal alignment. It all occurs within the deck. Thank you.