AutoCAD Civil 3D :: Pond Volumes Calculation

Jul 24, 2013

I have a manure storage pond that I am trying to figure out the total storage volume for. It has 2.5:1 Side slopes and a 10 foot wide ramp at 10:1 entering the pond to the floor bottom. I am trying to figure out what the volume of this pond is. What is the fastest and most efficient way to get this volume? I do not want it compared to any other surface such as existing ground.

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Revit :: Calculation Of Void Volumes

Feb 5, 2013

I am working a little 'off piste' currently as I am usually designing buildings, however, I have been asked to design a mould for the casting of an additional mass of lead to be appended to the existing lead in the keel of a yacht.

In order to complete this exercise the volume of the mould must accommodate between 26 and 30 litres of lead which is the volume of lead required to give the correct weight.

I have begun this task by creating a new Revit Family (may have been better to create it in a Project Environment) essentially being a large extrusion, with a number of swept blend voids creating the mould cut out.  I have determined this using my clients instructions for the type of cross sectional profile, its profile along its length and the footprint.  Thing is I now have to work out what alterations are necessary in order to ensure that the mould volume is correct! See 3D View so far.

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AutoCAD Civil 3D :: How To Create Pond Section

Jun 19, 2012

I can create pond quick profile,but it can not be saved.

if I press the section view command ,it tells me no alignment .you know ,I only create pond without any alignment .I only created pond by grading .so I don't know how to create pond section.

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AutoCAD Civil 3D :: Use Different Slopes To Create Pond?

Apr 7, 2013

I have a surface and i have the outer border of a pond i want to create (see attachments). What makes it difficult for me is that different areas of the pond have different slopes. The area marked as "A" has a slope of 1:5, the are has a slope of 1:2 and the rest of the pond has a slope of 1:1.

My problem: I do not know how to grade the borderline so i end up having a surface with different slopes as my pond.

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AutoCAD Civil 3D :: Surface Area Of The Bottom Of A Pond

May 31, 2012

I have a surface built for the bottom of a pond. The way to get the surface area  (not the volume) of the bottom of this pond?

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AutoCAD Civil 3D :: Detention Pond Contours Not Correct

Dec 11, 2012

I have 2 feature lines, one is at elevation 132 (TOB), and the other at 123 (TOE).  I inserted elevation points at an increment of every 3 ft., which should make a smooth arc of contours around the pond.If the issue was resolved by this method, please click on "Accept As Solution".

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AutoCAD Civil 3D :: Add Entry Point To Retention Pond?

Sep 25, 2013

I am trying to add an entry point to a retention pond that was created by grading tools.  I will to entry point to be shaped like a trapezoid.  I also want to grade a entry point to the slope of pond to control water erosion. 

I have been trying to add the entry point for days. 

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AutoCAD Civil 3D :: Creating Pond With Square Corners?

May 13, 2012

I am designing a retention pond in an existing surface.  I set the base of the pond and execute the grading at the desired slope and it generates the pond just fine, with the exception of rounded corners.  I need the corners to be square, mitered corners instead of the round. 

I'm using Civil 3D 2013.

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AutoCAD Civil 3D :: Section View For Pond Grading Object

Jun 9, 2013

I created a Pond Grading object with the associated surface. How can I cut and plot Section Views of the Pond Grading object just as I could do(using "Create Multiple Section Vtews" command) with Corridor object of a Linear project?

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AutoCAD Civil 3D :: Pond Bottom Does Not Show Up In Cross Section?

Apr 10, 2012

After crating my squared pond (or waste landfill for that matter) I runned a cross section from an alignment running across the the entire pond. The cross section did not show the bottom of the pond. I noticed that I forgot to do an infill to the bottom of the pond so I did it. But, still the bottom of the pond its not showing up in the cross section, just the side slopes. Do I have to delete the alignment across the pond and recreate it? That is probably the only thing I have not done. BTW, I have an access road coming down the side of the pond with a corridor created already and is not showing up neither on the cross section.

PD: I am running Civil 3D 2012!

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AutoCAD Civil 3D :: Designed Storage Pond - Cut And Fill Labeling

Jul 21, 2011

I have a small site where i've essentially designed a storage pond. I've cut 3.0m off the original ground at a 2:1 slope and built a berm at a 2:1 fill slope to a designed elevation. I've managed to balance the site to zero. The contour drawing I have shows elevations - which is great - however the client has asked to see the contours showing a Fill or Cut label from the original ground.

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AutoCAD Civil 3D :: 2013 SSA Detention Pond Peak Outflow Results

Jan 2, 2013

Attached is my 1st project using SSA for detention pond design.

Where is the best place to view the results for the detention pond peak outflow and maximum HGL?

Also, the program seems to separate the results per year storm...anyway to view the results for all year storms in the same report?

how do you attach the .spf file?

2013 Civil 3D

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AutoCAD Civil 3D :: Created Berm And Retention Pond To Contain Runoff - Water Volume

May 15, 2012

I have a site, on which I've created both a berm and a retention pond to contain runoff.  I now need to see if this is retaing enough water at a certain surface elevation.

The existing site is one surface and the berm/pond are another surface.

Is there a way to do this?

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AutoCAD Civil 3D :: Composite Volumes

Jun 29, 2012

I have a question concernig a wrong result of computed volume.

EG surface with all EG points H=100.00m

FG surfase, created by FL-Square 100x100m H=101.00m, added to FG surface as breakline.

The Result-Fill=9149.59???

Why not 100x100x1=10 000???

P.S. EG points at above example were around 80, randomly spread at area say 150x150m

When I deleted 76 and moved remainig 4 at the corners of the square, the result is OK 10 000cu.m

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AutoCAD Civil 3D :: Volumes Along An Alignment

Mar 13, 2013

I am trying to find an easy way of calculating the volumes I have been asked to do. I have a road, with an alignment created along the centreline. I have created a finished surface which incorporates the cutout for the boxing, and I have been supplied with a surface of the natural (original state) ground.

What I have been asked to do is calculate volumes at either 10m or 20m chainages (station).

Obviously, I can create a boundary, and then shift the boundary to where I want the volumes to be, but this road is 3km long, resulting in calculating 150-300 different volumes. The road is not a straight line either and includes a number of bends.

Is there a quick way of calculating this? Or do I need to use the boundary option?

The way they would normally calc it is to add all the details from the cross-sections into an excel sheet, and makesome complex formulas to figure it out. Even doing the boundary method is quicker than that.

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AutoCAD Civil 3D :: Calculating Volumes Between 2 Elevations

Nov 20, 2013

We have a good size channel and the section for the channel varies quite a bit.  We want to find the volume excavated in the channel between 2 elevations (it is the area of sand per the goetech report)?  A template was not used to create the channel surface, breaklines and gradings were used.

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AutoCAD Civil 3D :: Corridor Volumes Into Sections?

Jun 7, 2012

I have sevreal corridors with various spurs.  The contractor wants the cut/fill volume in sections along the corridors, not one big cut/fill calc.  Is there a way to do this in C3D?  I have got the volume table with the chainages on, but he does not want a cumulitive figure for the whole corridor.

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AutoCAD Civil 3D :: Inaccurate Grading Volumes

Aug 29, 2012

I have noticed that the value I get when I use the surface volume comparison tool or look at a graded item in the grading group properties box is different than if I calculate it by hand and the discrepancy isn't even consistant.  After spotting this problem in a job I am working on graded two simple ponds to check this.  The first one is 100' x 100' and 5' deep w/ 2:1 side slopes.  Calculating the volume by hand I get 1500 cu. yds but the grading group properties come up to 1506.17 cu. yds.  The accuracy is off by less than 0.5%  The second pond is 100' x 100' and 2' deep with 3:1 side slopes.  The hand calc gets me 654.52 cu. yds. and the grading group properties reads 655 cu. yds.  This discrepancy is closer to 7%. I really need to know if I can trust the volume tools in the program. 

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AutoCAD Civil 3D :: Cutting Volumes Along A Set Line

May 1, 2013

I am attempting to take two surfaces and cut straight down through a set polyline and get the difference between two surfaces.  Do i want to use the bounded volumes to do this? Or can i simply create two surfaces and and use the analyze/volumes tool and just select the two.  I would then add the boundary to each surface to limit the data.

My concern is since the two surfaces do not meet along the edges which will cause the math to be off.

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AutoCAD Civil 3D :: Volumes Of A Stockpile By Elevation

Feb 23, 2012

I have a few vary large stockpile that i need to get volumes of the stockpile at 1 meter intervals- is there a quick way of doing this, other then finding the area of each elevation and calculating the volumes.

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AutoCAD Civil 3D :: Volumes / Grading And Surfaces

May 30, 2012

I have an existing topo surface created as well as grading for a proposed elevated pad of earth done in civil 3d 2013. I simply want to calculate the cut and fill quantities. I created the grading with automatic surface creation checked on. When I use volume tools to see what the quantities are, it says 0.0 for both cut and fill.

I created another surface (TIN) and pasted the existing topo surface and the proposed grading surface into it and I couldn't get any quantities.

I created another surface (TIN volume) and set the base surface as the existing surface and the comparison surface as the surface created from the grading but again could get no quantities.

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AutoCAD Civil 3D :: Determining Dam Permit Volumes?

Jun 1, 2012

I am looking to find out if the is a way of generating a stage storage table or volume table showing only the volume in the pond from the lowest intersecting existing ground contour to the top of the pond (to determine what would spill out of the pond in case of a berm failure) and if Civil 3D could make the determination of where that intersecting point is.

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AutoCAD Civil 3D :: Comparing Multiple Surface Volumes

Oct 18, 2012

I have a big hole in the ground in my model.  Its easy to get the volume of cut with C3D.  But I have a topsoil layer, weathered rock layer and then solid rock, I basically need to break them down into different volumes.  The way I would normally do it is calculate the topsoil, then work out the weathered rock and minus the topsoil, then for solid rock cut I minus the topsoil+weathered rock.  I have attached the 3 volumes I need for info.

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AutoCAD Civil 3D :: How To Figure Multiple Volumes From Two Surfaces

Sep 26, 2013

using CIvil3D to figure volumes.  I have a very large aerial topo from a couple years ago to compare against a topographical survey I completed this year.  No problem creating surfaces. 

Question:  In the topo's, I need to get a volume from two different area being a fill area, the other being the borrow area.  Don't want any volume data throughout the rest of the site.

Do I just create one large surface for each topo and designate boundaries somehow?  Or do I need to create multiple surfaces for each topo?  If this is the case, will I need to make sure any breaklines, etc. don't cross from one area to the other?

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AutoCAD Civil 3D :: Surface Volumes In Specific Areas

Apr 16, 2013

I have a 100 acre park that I am doing earthworks.  I have 1 proposed and 1 existing surface.  The park is now broke into 5 different areas and I need to get cut and fill for each area.  Is there a way to do a volume report for a particular area?  I could define the area with a polyline.  Or do I need to copy the proposed surface and start chopping up into 5 areas?

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AutoCAD Civil 3D :: Volumes From Surface Legend Table

Aug 21, 2012

I have created a volume surface and associated surface legend table using the cut/fill parameter.

The volumes and areas don't seem to add up, take Cut 2 as an example only if the area of the previous (cut 1) was added could this be possible. There is lots of speculation in our office like does the fill work in reverse?

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AutoCAD Civil 3D :: Calculating Existing Berm Volumes?

Aug 12, 2013

I am looking to calculate the volume of an existing berm from a TIN surface.  I have read through some of the Civil 3D tutorials, and realize that I will need to have two surfaces (base and comparison), but need to figure out how to create the comparison surface. 

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AutoCAD Civil 3D :: Calculating Volumes With Out Of Date Surfaces

May 9, 2013

I have been provided a file with a surface, however I have not been provided with the point files referenced to define the surface.  As a result, when I try to calculate the quantities in the volume dashboard using a volume surface, I get the error that the surface is out of date.  Is there a way to calculate volumes with an out of date surface?

I am trying to calculate the amount of material required to be cut when creating a flat bottom ditch.

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AutoCAD Civil 3D :: Top Soil Calculation

May 15, 2012

I have an existing contour surface. I would line to calculate the volume of  topsoil which will be 300 mm following below the existing contours.

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AutoCAD Civil 3D :: Volumes Dashboard Sort Columns Alphabetically?

Mar 19, 2012

Is there a way I can sort the columns in the dashboard alphabetically?  Normally you just click the title in these windows to toggle the way it sorts it, but you cannot do that with this tool.  Its making my cut/fill report look messy, as the surface volumes are not in any order.

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AutoCAD Civil 3D :: Widen Roadway Through Some Mountains - Corridor Volumes

Jun 26, 2013

I'm working on a project to widen a roadway through some mountains. The problem i am having is getting the corridor to apply to a future surface so that i can determine the volume difference. my profiles show there should be some cut and fill, but i cannot get the model to reflect this. when i try to preform a bounded volume i recieve a "the surfaces do not overlap".

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