AutoCAD Civil 3D :: 2011 - Creating Existing Curb / Gutter Spot Grade

Mar 21, 2012

creating a existing surface single Curb/Gutter spot elevation label using two existing surface elevation points and not cogo points.   I am a surveyor, and I want to be able to just click on both points one at a time (top of curb/gutter) to place the elevation label.  

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AutoCAD Civil 3D :: Curb Return Grade Label

Mar 12, 2013

How I could create a label for the curb return grade as shown on the attached file.  The label is on a curve.

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AutoCAD Civil 3D :: Corridor Line Follows Existing Grade

Jan 11, 2013

i have a corridor. the corridor feature line that is supposed to hit the proposed centerline is following my existing grade instead of where the profile is. in other words, the corridor line i need at the centerline when i do "feature lines from corridor" is following my existing grade instead of the top of my road. did i accid. change something? i need it to follow the top centerline of my road. the red arrow is the line i need at the top centerline. 

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AutoCAD Civil 3D :: Cannot Get Existing Grade Linetype To Show Up

Dec 12, 2013

I am creating profiles and I can not get the existing grade linetype to show up as a uniformed dashed line.  The layer is set up for a dashed line but   the existing profile line is made up of too many nodes to make the linestyle look right.

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AutoCAD Civil 3D :: Existing Elevation Labels At Datum And Top Grade Breaks?

Aug 28, 2012

i created section view as in pic1. In Bands, Existing surface elevation labels at existing surface grade breaks, top of road elevation labels at top grade breaks, datum is the same. Can i add existing surface elevation labels at top of road grade breaks? (pic2)

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AutoCAD Civil 3D :: Labeling Centerline Existing Ground & Profile Grade Elevations?

Mar 28, 2012

I am trying to label existing ground & profile grade on my cross-sections the way old Land 4 used to do it.  I've muddled through section view property style settings, band settings, group properties w/no luck.  It can't possible be this difficult.  What am I missing?

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AutoCAD Civil 3D :: Grading Tools - Creating Proposed Grade Surface?

Feb 21, 2013

I'm trying to create a proposed grade surface using the grading tools. I drew the outline boundaryof the proposed surface as a closed polyline then created a feature line from it and assigned different elevations to it. When I try to select the feature line in order to create the grading, I get "THIS FEATURE OVERLAPS ITSELF AND CANNOT BE GRADED". What could be a possible reason for this?

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AutoCAD Civil 3D :: Generating Existing Drainage Pipes In Profile View 2011

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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AutoCAD Civil 3D :: Error Creating Survey Database 2011

Mar 17, 2012

When i try to use Import Survey Database 'Create New Survey Database' i receive the following error.

Running Windows 7 Pro 64-bits and its fully updated. Also installed all the servicepacks available for Civil 3D

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AutoCAD Civil 3D :: Creating Surface From Existing Points?

Jun 11, 2013

I have been given a survey on AutoCAD which was orginally 2D with the levels written in text next to it. I changed each point (690) to include the level in the Z-direction. I am trying to calculate volumes of topsoil removal and then cut anf fill volumes. 

So I opened up Civil3D in metric template and imported my drawing as I have not been given a ddata file with the co-ordinates. Unfortunately I am having trouble creating a surface between the existing points. 

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AutoCAD Civil 3D :: Creating A Surface From Existing Contours

Sep 27, 2013

I have an existing surface and I need to creat a surface using contour lines of a at the high point on a spillway to the bottom of my pond to calculate volumes. How do I do this?

AutoCAD/Survey Tech
Merritt LS L.L.C..
743 Horizon Ct. Suite 100B
Grand Junction, CO 81506

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AutoCAD Civil 3D :: Creating A Surface From Existing Points?

Jan 16, 2013

I am having some trouble creating a TIN from a point layer in Civil 3D 2011. Would the best course of action be to extract the points from the drawing and creating a surface from there, or is there a way to create the TIN around the existing points in Model space?

I'm much better versed in AutoCAD, but excited about furthering my understanding with Civil3D.

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AutoCAD Civil 3D :: Creating Surfaces With Existing Drawing With Polylines

Apr 18, 2012

Trying to create a surface with an exisitng drawing with 3D polylines. Trying to change the suface style with no luck, the only style available is Standard?

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AutoCAD Civil 3D :: Creating Existing Profile From Survey Data

Nov 14, 2013

I am fairly new to the Civil side of AutoCAD, as I used to work primarily in Map.  I am working on a street rehab project in which I need to take survey points showing existing elevations (centerline, flowline, and top of curb) and show existing profiles in a profile view.  I have no problems setting up the profile view(s) or the centerline alignment, but I am having problems with creating the profiles themselves, and I have a two part question about them

Question 1: According to the user's guide, the correct way to set up an "existing" profile is by extracting it from a surface, but I don't have a surface to use.  In reading through the various profile types, the best way to set up what I want seems to be by using the profile layout tools, but the help says that a profile layout is supposed to be for a final "proposed" profile, not the existing.  Does this actually matter?  Will I be breaking Civil functionality by creating an existing profile using the profile layout tools?

Question 2: In reading through the profile layout tools, everything seems to be centered around PVI's.  Even using the "tangent tangent" method to add in points seems to only use the first and last point as controls, with everything in between treated as a PVI.  If you look at the documentation here, points one and four are treated as actual elevations, while curvature occurs at points 2 and 3.  In my case, since what I have is a series of actual points on a surface, each point should be an actual surface elevation with curvature occurring between points and not at them.  What method should I be using to input the points in the profile?

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AutoCAD Civil 3D :: Creating Existing Pipe Network From Objects

Nov 3, 2013

I am working on creating an existing pipe network (stormwater) from objects, invert data, size, type and length given.  M

My question is how do I know where the start and end is and if I need to create more than one network for my project.  I have a current project location and I am assuming I am to create a network for the entire location?

I have attached a couple pics for you to see what I am working with at a couple different scales so you can get a good idae of my project.

C3D 2014 SP1
DELL Precision T3600
Intel Xeon E5-1650 @ 3.20GHz
NVIDIA QUADRO 4000 Dual Monitor
32 GB RAM / Win7 Pro 64-bit

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AutoCAD Civil 3D :: Automatically Creating Breakline From Existing Surfaces?

Nov 15, 2012

Our company, was contracted to create a DTM of a residential neighborhood using our Lieca HDS C10 Laser Scanner.  Utilizing the Leica software I was provided LandXML file that contained a 2ft by 2ft Mesh surface along with breaklines for the edge of roadway, driveways and sidewalks, which was imported into Civil 3D 2012.   

Our client now wishes for us to provide them with a breakline for the crown of the roadway.  My first thoughts on calculating such breakline was to set the Contours at an interval of 0.05' to identify the crown of the road, then drawn the break line along the crown based on contours. 

Is there a way to automatically create a Breakline from Exisitng Surfaces? 

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AutoCAD Civil 3D :: Profile Defines Lip Of Gutter Of Outside Lanes

Jul 9, 2011

civil 3d 2011, Are there any good tutorials or videos on creating raised median divided roads with the bull nose.I am using one alignment and profile, the profile defines the lip of gutter of the outside lanes.

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AutoCAD Civil 3D :: Creating Profile Along Lowest Point In Existing Ditch

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? 

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AutoCAD Civil 3D :: Creating Surfaces From Existing Contour Map For Volume Calculations

Aug 30, 2012

I am working on a project, I was given a file with the contour already mapped out. I am tasked with finding volume of a fill I had to create. I made a 3-D polyline at the elevation I want my fill to start from and going down to my final grade. How can I make surfaces with my map. I do not have any files to make the surface off of. What is the easiest way I can make a layer, TIN has already been done but no surfaces are in the file.

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AutoCAD Civil 3D :: Left / Right Sample Profile Not Honoring The Gutter

May 2, 2013

When creating a profile with right/left samples, the sampled profile does not show the gutter when crossing an intersection.  If you do a quick profile of the area, it shows the gutters.  See images below...

Sampled profile...

Same area with a quick profile...

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AutoCAD Civil 3D :: First Time User Creating Contours From An Existing Survey File

May 30, 2012

trying to create contours from an exiting survey file. I am new to Civil 3d 2012. What I need to accomplish is create a 3d topo from the points with contours and then create a 3d model of the area.

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AutoCAD Civil 3D :: Curb Height Transitions

Aug 21, 2013

Trying to model a curb height transition in my corridor. Over about 15' I want to go from a 6" curb to flush. 

The only way I can seem to get it to show accurately is to leave a void in my corridor.   This allows the surface which is created from the corridor to model correctly and give me a transition of my curb height from 6" to flush.  Here's the object viewer showing it correctly: 

However, there are a few problems with this approach.  Mainly I've come to like the way the relatively new "extract corridor solids" tool (toolspace, toolbox, miscellaneous Utilities, corridor solids).  I use this to create a fairly nice looking Navisworks model.   With the void, now my model has a void.  It seems to me that there should be a way to have a subassembly that can target both the back of curb profile and the edge of gutter simultaneously.  I've tried with the standard subassembly "UrbanReplaceCurbGutter2" but with no luck.  Any successful modeling a curb height transition within their corridor?

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AutoCAD Civil 3D :: Intersection - Curb Return

Feb 7, 2011

C3D 2010 user

I have a problem modeling intersection. This is first time I am modeling intersection. I have gone thru' and actually did all intersection tutorials offered by C3D and naturally I felt like I am ready for it.

But in real world I am not. I am trying to model intersection and I keep getting error as "Value on Wrong side of alignment to profile". I looked at target mapping and thinks so that all is okay (may be not). I am attaching snapshot of error message as well as plan view. I wanted to forward actual dwg but size is too large to post.

Point to note:This is Left lane driving setting. I realized this after I created alignment/profile/assemblies but before I tried intersection modeling. 

I did 8 iterations before this post.

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AutoCAD Civil 3D :: Curb Drop In Corridor

Jan 9, 2013

I have a corridor with multipule intersections. I modeled the primary road straight through the intersections. Created ETW alignments and profiles to target in the intersections. Most intersections did not require this but one complex one did. All other quadrents in this intersection worked out except for this one (see attached). In this intersection the primary road alignment leaves the centerline of the road and transitions to a lane. I can't seem to figure out what this one quadrant is trying to target?

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AutoCAD Civil 3D :: Corridor Back Of Curb

Feb 12, 2013

I am new to corridors and am having some trouble with this.  I have an assembly that has a paved roadway, 2' curb and gutter and a sidewalk.  Along the road the curb varies to allow for on street parking.  I have the front and back of sidewalk attached to an alignment, so it is exactly where it needs to be.  I have an alignment that my EOP follows as well, and that seems to be ok. The problem is the back fo curb in the corridor.  Instead of being 2' offset from the EOP, it is shifted 2' perpendicular to the baseline. Please take a look at the attached picture.

I think I can get it done by making each parking "bump out" it's own region using the EOP alignment, but that will take a lot more time and make my file a whole lot bigger. Being a corridor rookie, I am hoping I am just missing something.

I'm using Civil 3D 2013.

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AutoCAD Civil 3D :: Curb Box Depending On Casting Number

Nov 25, 2013

I assume the curb box is included (or not) depending on the casting number?  How is something like 3067 handled, which comes with and without a curb box?  

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AutoCAD Civil 3D :: Getting An Assembly To Follow A Top Of Curb Profile

Nov 6, 2012

I am trying to get a street assembly to follow a top of curb profile.  The profile is at the face of curb.  The centerline of the street is my assembly target profile and alignment.  I do not want to create an alignment for the curb.  The curb profile is based on the centerline alignment.  I can't figure out how to get a link that will track the curb profile at the face of curb.

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AutoCAD Civil 3D :: 3 Line Profile Curb Transitions

Jul 6, 2012

we use three line road profiles.  If there is a bus pullout or lane transition we show the curb profile based on centerline stationing.  I'm able to generate a the corridor using a transition lane assembly from centerline  and targeting a widened offset alignment or just a feature line.  I can import the corridor curb feature line into a profile which would be a perfect solution, but it is all truncated. (i.e. no vertical curves)  I can create a profile of the offset alignment, but the stationing doesn't match centerline.

How can I either generate a non trunidicated profile from the corridor for my curb profiles? How can create a design profile of a transition/pullout curb line that I can target and plot against centerline stationing?

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AutoCAD Civil 3D :: Profile Labels For Curb - Rounding Error

Apr 4, 2012

We sre doing 3 line profiles for a road and the left and right curb should be .13' lower than the centerline elevation.  In many cases we are getting .14' or sometimes more or less.  We tried resampling the cooridor with a tighter interval but still the same results. 

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AutoCAD Civil 3D :: Moving Curb Grades In Profile View?

Aug 20, 2012

I am having a problem with moving my profile grades. I go to Utilities under Corridors and create a profile for the left and right curb. They show up in my Alignment Profile, but when I click on one to move it, it disappears. When I type regen, it shows back up. I am trying to set my crossection grades in my Multiple Section Views.  I first create my Profile from Surface, then do a proposed centerline grade by Draw tangents with curves.  I create the corridor, put in the regions, go to corridor properties and pick the right and left corridor lines I have created. Then I set the existing surface and attach it to my profile. I create the sample lines and the Multi Section Views. Where am I screwing up?

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AutoCAD Civil 3D :: Grading Objects From Curb Lines - Linking?

Oct 12, 2011

I have been creating grading objects from my curb lines, assigning grades using the editor, then offsetting that line for the BACK of curb, and using the raise-lower command to raise the curb line height. If I edit the original face of curb line (gutter grade) then I go back and redo the process. Is there any way to intelligently link these two lines so that if one gets edited C3D knows the other is 0.5 feet higher (or lower) than its neighbor?

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