AutoCAD Civil 3D :: Sump / Baffle Box In Drainage Ditch
Sep 6, 2013
I'm trying to add a sump/baffle box to a drainage ditch. I'm taking this project over from someone else. They had created a surface. However, I'm confused about how the surface they made was created, but I have used it to give me a reference to were the sump is located on the profile view. (circled in blue). Currently that surface has wall that are 1.5' high with a bottom at -1.5'. I have drawn in the sump on the profile view (highlighted in yellow).
I have tried to start over by using breaklines. I have already created a standard breakline on the N and W side at 0. However, on the east side, how to create a breakline and keep the drainage basin grading to the exisitng drainage basin grade.
I have attached screen shots of the plan and profile view.Â
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Apr 16, 2012
Any way to create a polyline linetype that simulates a solid dashed with outer lines (drainage line)?
I could sort of do it with the multiline feature but not what we want. Â using 2011 civil3D
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Sep 28, 2012
how one might model an existing drainage channel.
Here’s the scenario – field crews are going to collect data for a 500 ft long concrete (trapezoidal) drainage channel. The bottom width varies from 7 ft to 19 ft wide with vertical walls varying from 4 ft to 7’ high. The channel will be filled and capped.
I considered using one of the channel subassemblies with Civil 3d and establish targets along the existing channel top and bottom of walls. However, I don’t see that the stock subassemblies are intended for this and don’t really lend themselves to perform this. I suppose the other option is to use linkwidthandslope subassemblies and use multiple targets for inside bottoms, inside tops and outside tops of walls.
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Feb 10, 2012
I can change it under structure properties, but I can't find where to change it before I make the pipe network , 2013 Civil 3D.
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Aug 23, 2013
Is there a way to design the road profile to use the low point at a certain Roadway station so you can put your storm inlets to line up with property lines. Because when you create a Sag the PVI is not where your low point falls on the profile. It would be nice to be able to drag the low point not the PVI to create the low point where you need it instead of a sort of back and forth dragging the PVI of the vertical curve.
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Jun 7, 2013
Any hydraflow calculates depth of flow and spread at sump inlets? Does it assume that the entire flow is coming from one direction (similar to an on-grade inlet)? Or does it make an assumption about how much flow is coming into both ends of the inlet?
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Oct 4, 2013
I am struggling to import .stm file into a blank civil3d file. it does import whith correct sizes and elevation. the issue is rim level of structures are the same as SSA file but it will make 2 meter sump depth to stuctures, thus structures invert levels are not correct. i just made a sump depth rule for structure and applied to some of them. it will correct it but as i have more than 1000 manholes in network it will be a major job to apply the rule. i know "apply rule" command will work a lot but i would like to know why it is importing whit wrong properties?
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Aug 15, 2012
What do I draw the existing pipes as that will be under the surface that I'm profiling? I have the surveyed invert points I'm assuming that won't be polylines? how to get the pipe to show at the proper elevation on the profile?
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Dec 2, 2010
I am having problems with the display of my structures in a profile view. Previously, when I change the inverts of the pipes connected to my structure it would automatically adjust the bottom (sump) of the box invert to match my lowest pipe. However, for some reason it has stopped doing it and is now displaying the sump invert incorrectly. I have my style set to "Display as a Boundary". I have edited the structure sump to be by both elevation and depth, but it does not update the sump elevation. I have tried to grip edit the sump but it seems to be locked at a certain elevation. I have a profile with 10+ structures and they are all at multiple depths. I realize there are minimum depths allowed by the structure, but I have exceeded the minimum depths in all cases. Attached is an image that depicts my problem. No matter what I do to change the depth it stays locked at a certain elevation.
Civil 3D 2011, SP1
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May 21, 2012
I have about 100 manhole structures with a 0.5' sump. I want them all to 0.0'. Is there a way to change the sump on more than one structure at a time?
The only way I have found to change the sump depth is one at a time through the structure properties.
Civil 3D 2012 SP3 | Win 7 64-bit SP1
Xeon E5-1620 @ 3.60GHz, 16GB Ram | NVidia Quadro 600
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May 11, 2012
I'm trying to create a ditch / channel with a 4 foot wide base and 4:1 side slopes. I was going to create one using a feature line and inserting it to my design surface as a break line. Is there an easier way or better process I can use to create this?
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Mar 14, 2013
How do you label the foreslope and backslope of a section? For instance 3:1...
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Jul 24, 2013
I had created a corridor using the attached assembly with conditional cut/fill and SlopeToSurface SA, the cut condition provides a ditch SA at cut only. Then had the Ditch Bottom Profile to follow a ditch profile that I created, and flows toward the increasing chainage. The horizontal offset and elevation of the ditch runs perfectly fine as desired, except between Sta. 0+465 (cut section) and Sta. 0+470 (fill section), where the ditch ties back to the edge of shoulder instead of going toward the outside (as shown in the blue lines).
My question is, do I need to make a transition between the cut and fill sections? If so how much effect and details is needed as I have a few other locations with the same issue.Â
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Aug 21, 2013
how to use daylight basin, for creating ditch
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Feb 14, 2013
I'm using the DaylightBasin Subassembly along with the "Place Lined Material" option & it works everywhere except along the flat 0% (very bottom portion of the ditch).
C3D 2012 SP3 & C3D 2014 SP1
Win 7 Professional 64 Bit
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Aug 21, 2012
In highway construction, I usually check for lowest ditch elevation and see how the existing drainage flows. Typically one would create or specify in CL profile creation with a 15m offset right and left which would then generate existing CL and 15m offset profiles in profile view. However, the 15m offset profile might not represent the lowest point in the ditch as the lowest elevation offset distance varies along the highway.
My question: Is there a way in civil 3D profile creation where it can automatically trace the lowest elevation in the ditch and plot it in profile view?Â
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Feb 2, 2013
I am trying to create a custom subassembly using SAC 2012 that will place a 1' deep ditch at the bottom of the slope in a fill condition. Â The trouble I am having is how to hold a consant 1' depth on the backslope and vary the foreslope since the daylight offset and elevation is variable depending on the slope of the existing ground. Â I need the attachment point to be the edge of the shoulder so it seems like a loop that varies the foreslope length would be required but loops are not allowed. Â I will also have the option to target a profile but I also need the ability to hold a constant ditch depth.
How to model this condition.
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Apr 10, 2012
I am trying to create an assembly with a U channel (side ditch) that's top will follow the sidewalk it is next to but I need the profile of the U channel to be different than that of the roadway. Is there a way to create a custom subassembly part that will do this? Can I create a different allignment/profile for the bottom of the U channel that can then link to the other assembly?
The only other think I can think of is to use a dynamic block to add the U channel to my cross sections, but that will take a lot of time to do.
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Oct 18, 2013
I'm using the Ditch subassembly in my corridor and am running into a problem when using realistic mode to view.
I've applied a render material to L3, L2 and L4 which is fine but when I assign a material to L1-L5 (i.e Top) it overdraws (or otherwise fails to display) the previously assigned materials for L2, L3 and L4.
If I set the Links L1-L5 (i.e. Top) to no display then L2, L3 and L4 display as expected but when IMX'd to Infraworks the existing terrain shows through at Links L1 and L5.
Is it possible to stop this from happening and have a seperate material for L1 and L5 whilst retaining L2,L3 & L5 materials?
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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Oct 22, 2012
I'm trying to build the ditch portion of my Subassembly backwards from an offset target "DitchOffset". The elevation of this point should be derived from a point that is using Slope and Delta Y from point "P12" (see attached). Must be at least 1m from the bottom of SubBase with a 5:1 slope.Â
The Ditch Bottom will be variable width. I'd like to be able to select my offset alignment for my ditch bottom. Have a link from this point extend at a slope to the Target Surface to complete the foreslope.
I can't quite picture how to complete the links from the DitchOffset point. This may be complicated but the diagram identify what I'm trying to do.
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Aug 21, 2013
I need to model road with same elevation. But also need to model ditch along road which has a slope of 0.2%. how can i make a ditch with slope.
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Nov 10, 2012
I want to show slope direction in my drawing for a small V-Ditch.
I tried one way by utilizing Measure Command however didnt work out for both face of Concrete V-Ditch because Measure Command aligns the Block on one side of the Line you want to meaure with block.
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Mar 26, 2012
I'm trying to create a feature line to use as a breaklline for the bottom of a ditch. I click on the first contour, elev.678, accept the elevation, click the next contour, select T for transition, then accept the elevation, 677. I would like to end up with a feature line having a first node elev. 678, end node elev. 677, slope -4% (contours are 25' apart). Instead, The first node is 678, slopes @ -1.33% to an inserted node, elev. 677.1, then slopes at -21.88% to end node elev. 677. What am I doing wrong? I don't see a lot of options here when creating (drawing) a feature line. Should I be using something else to accomplish this task?
C3D 2011
Win XP Pro 32 bit
Win 7 64BIT
C3D 2013
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Jun 29, 2009
I switched from Photoshop to Fireworks back in 1999 - because of its mix of Vector & Raster editing, slice/export and GIF animation capabilities. But... my command of Photoshop and Illustrator has suffered. I feel there's so much I could do with those tools not only for for print, but also for websites. I tried going back to Photoshop a few times over the years but just couldn't manage its drawing tools - maddening!---------------------However, I'm now seriously considering switching if PS does what I need... and more. PS pros Most web design job ads specify PS and AI not FWsI need to be adept with PS and AI for print etc. I'm fossilizing!Assets and Artwork are often PS and AI files, it'd be good to share files with others in the company without probsIt'd be good to use the same app and sometimes the same files for web and printRaster Image editing is more advancedMore 'painterly' in its capabilities.Feels like I need to move on and upskill as a designer PS cons Can I draw in PS as easily as FWs? - or will I need to awkwardly integrate Illustrator into the workflow?Is it as easy to make animated gifs? (perhaps I should do it in Flash)Learning curve So here it is: Why should I make the switch to Photoshop?
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Dec 25, 2012
I imported Google earth surface (at eye alt 600m) to civil 3d 2012 and created an alignment of length 181m.
When I exported same alignment to Google earth , it showed the length as 190m ( the difference increases with increase in length of alignment)Â And also the profile view of the alignment in the Civil D & Google earth varies.
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May 3, 2012
I want to create a Layer Filter that excludes both Civil Layers and Xrefs.
I have created one that excludes Civil objects (Excel Civil.jpg)Â but when I add a filter for excluding xrefs as well the Civil objects appear in the filter again indeed all the layers are included again (Excel Xref.jpg) if I invert the filter nothing is displayed.Â
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Dec 17, 2013
Is it possible to export created surface from civil to revit architecture? If yes , How? And if its not possible - maybe i can somehow import cogo points to revit?
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Apr 16, 2012
I am trying to work on a previous file in my office, and when it opens on mycomputer, it does not display as it should.Â
In general, the purpose of the project is to reinstate the side slopes of a road abutting a river. Cut & fill sections have been generated on 20m station increments along the road corridor/surfaces in order to calulate cut and fill as well as to reference the design to flood levels.
When I open the file, all of these sections (and there are alot)Â have relocated themselves to various locations in model space, none of which are aligned with the viewports that are being used for printing.
Could it be software and/or hardware incompatibility with the computer they were originally created on? (I believe it was created with C3D 2010, or C3D 2011 - I am currently running 2012)
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Oct 23, 2013
Just curious as to whether people use much colour in their production drawings, particularly for hatches...?
Working for Local Government, we tend to utilise colour hatches to show all kinds of information.
Generally, we have found that colour hatches are a good way to clearly show different areas and materials such as pavements, paths, landscape areas etc. Hatches can then be used to quickly ascertain areas for estimation and our construction team like them too as the plans tend to be easier to read.
The usual arguments about reproduction of plans and slowing down of computers doesn't seem to be an issue for us. Most photocopiers are in colour now anyway and we just make sure that even in black & white the plans are readable.
The way that Civil 3D deals with hatching doesn't seem to slow things down for us either.
Currently using Civil 3D 2013 & 2014 SP1
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Aug 30, 2012
Right now, the only way I know of being able to see Civil grading objects (surface contours, spot elevations, slopes, etc) while using plain vanilla AutoCAD is to explode everything and export to a lower version.
I'm trying out a trial of AutoCAD 2013 to test things, and my Civil drawing shows up as boxes/text when xrefed into another drawing without doing the task above.
I'm looking for a more efficient way to see grading using AutoCAD (not Civil). Civil is expensive, and I'd like to downgrade the drafters who don't know how to use the Civil functions (and never will), but still need grading to show as a dynamic xref in the background of the drawings they're working on. Problem is, if I have to explode and export my drawing every time I want to update the grading xref in their drawing, it wastes more time than I'd like.
Is this the only way and I have to live with it, or am is there an easier way that I haven't dug up yet? I know I'm not an expert at Civil, so I may be going about this all wrong.
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Jun 12, 2013
Is there a way to search for a text style in a civil style? I have a text style that our company is trying to get rid of and I would very much like to not have to go through our 72 company styles.
AutoCAD Civil 3D 2014
HP Z620 Workstation 64-bit
Duel Intel Xeon E5-2620 @ 2.00 GHz
Ram: 48 GB
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