& Construction
![architecture engineering and construction collection logo](https://damassets.autodesk.net/content/dam/autodesk/www/universal-header/flyout/architecture-engineering-construction-collection-uhblack-banner-lockup-364x40.png)
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
& Manufacturing
![product design manufacturing collection logo](https://damassets.autodesk.net/content/dam/autodesk/www/universal-header/flyout/product-design-manufacturing-collection-uhblack-banner-lockup-364x40.png)
Professional CAD/CAM tools built on Inventor and AutoCAD
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
Professional CAD/CAM tools built on Inventor and AutoCAD
Transcript
00:03
once you have defined the network design criteria as has been done in this example
00:08
you then simply need to run the network design wizard to apply that criteria.
00:13
However, first you need to check that the design rainfall is ready
00:17
on the ribbon rainfall pollutants tab rainfall panel,
00:21
click rainfall manager to open it.
00:25
The rain one fs our rainfall should already be loaded but if not
00:29
use the open tool and find the file design rainfall in the data directory,
00:35
select it
00:36
and then click OK to exit the rainfall manager.
00:40
First
00:41
open the existing profile view to see the current layout of the pipes along the slope
00:47
In the tree view, ensure flow paths is expanded
00:50
and right click flow one
00:53
Select show profile and the profile Flow one window appears
00:59
zoom into the profile view.
01:02
You can see that the pipes are currently laid along
01:04
the top of the catchment surface because at this point
01:07
only the basic model build has been done.
01:11
Neither the pipe sizes nor the gradients have been calculated at this point
01:16
on the ribbon preliminary sizing tab network design panel,
01:21
click network design wizard to open it.
01:25
The first step is to specify the flow path you want to create the pipe sizes for
01:30
in this example
01:32
there is only one flow path, flow one,
01:35
so ensure it appears in the select flow path. Drop down
01:39
Notice that the pipe table is here as well
01:42
and it lists the seven pipes in the flow one. Network
01:46
for more complicated designs you would specify which
01:49
area of the design you want to size,
01:51
click next.
01:54
The next step is to enter the flow criteria.
01:58
Check that the peak flow calculation is set to U. K. Modified rational method.
02:03
Then, if necessary,
02:04
select from library and click the drop down to select the reign one event,
02:10
click next
02:12
now review the design options.
02:15
In this case you should not need to change anything here. So click next.
02:20
The calculations are complete
02:22
and you can review the summary of changes.
02:25
If you are satisfied with them,
02:27
click finish.
02:29
The network drainage report appears
02:32
here. The program reports the pipe hydraulic performance of the network.
02:36
After having resized the pipes,
02:39
review the capacity and flow values when you compare them.
02:43
You can see that for the first catchment area the capacity of 24.8
02:48
liters per second far exceeds the flow of 9.88 liters per second.
02:55
So you know that this pipe has sized plenty big enough.
02:59
If additional structures are to be built within that first area,
03:02
it is likely that the pipe will be able to accommodate the increased flow.
03:07
Now look at the pipe two values here.
03:10
The flow is closer to the capacity,
03:12
in which case for those same additional structures in the first catchment area.
03:17
This pipe may not be big enough to accommodate the greater flow
03:22
after that there is a big jump in the capacity of the next couple of pipes
03:27
likely from a greater pipe size
03:30
to see the new pipe sizes.
03:31
Open the profile view again,
03:34
right click flow one
03:35
and select show profile.
03:38
Now you can see that the pipes have been placed under the ground
03:42
Zoom in to see the pipe Diameters.
03:45
The first two pipes are 150, and then the next ones jump up in size to 225 mm,
03:52
which is not surprising considering the slope
03:56
zoom out again and you can see that the pipes have been laid much deeper in the ground,
03:60
upslope and downslope.
04:02
This is because the design had to meet either the
04:05
slope criteria or the velocity criteria that was specified.
Video transcript
00:03
once you have defined the network design criteria as has been done in this example
00:08
you then simply need to run the network design wizard to apply that criteria.
00:13
However, first you need to check that the design rainfall is ready
00:17
on the ribbon rainfall pollutants tab rainfall panel,
00:21
click rainfall manager to open it.
00:25
The rain one fs our rainfall should already be loaded but if not
00:29
use the open tool and find the file design rainfall in the data directory,
00:35
select it
00:36
and then click OK to exit the rainfall manager.
00:40
First
00:41
open the existing profile view to see the current layout of the pipes along the slope
00:47
In the tree view, ensure flow paths is expanded
00:50
and right click flow one
00:53
Select show profile and the profile Flow one window appears
00:59
zoom into the profile view.
01:02
You can see that the pipes are currently laid along
01:04
the top of the catchment surface because at this point
01:07
only the basic model build has been done.
01:11
Neither the pipe sizes nor the gradients have been calculated at this point
01:16
on the ribbon preliminary sizing tab network design panel,
01:21
click network design wizard to open it.
01:25
The first step is to specify the flow path you want to create the pipe sizes for
01:30
in this example
01:32
there is only one flow path, flow one,
01:35
so ensure it appears in the select flow path. Drop down
01:39
Notice that the pipe table is here as well
01:42
and it lists the seven pipes in the flow one. Network
01:46
for more complicated designs you would specify which
01:49
area of the design you want to size,
01:51
click next.
01:54
The next step is to enter the flow criteria.
01:58
Check that the peak flow calculation is set to U. K. Modified rational method.
02:03
Then, if necessary,
02:04
select from library and click the drop down to select the reign one event,
02:10
click next
02:12
now review the design options.
02:15
In this case you should not need to change anything here. So click next.
02:20
The calculations are complete
02:22
and you can review the summary of changes.
02:25
If you are satisfied with them,
02:27
click finish.
02:29
The network drainage report appears
02:32
here. The program reports the pipe hydraulic performance of the network.
02:36
After having resized the pipes,
02:39
review the capacity and flow values when you compare them.
02:43
You can see that for the first catchment area the capacity of 24.8
02:48
liters per second far exceeds the flow of 9.88 liters per second.
02:55
So you know that this pipe has sized plenty big enough.
02:59
If additional structures are to be built within that first area,
03:02
it is likely that the pipe will be able to accommodate the increased flow.
03:07
Now look at the pipe two values here.
03:10
The flow is closer to the capacity,
03:12
in which case for those same additional structures in the first catchment area.
03:17
This pipe may not be big enough to accommodate the greater flow
03:22
after that there is a big jump in the capacity of the next couple of pipes
03:27
likely from a greater pipe size
03:30
to see the new pipe sizes.
03:31
Open the profile view again,
03:34
right click flow one
03:35
and select show profile.
03:38
Now you can see that the pipes have been placed under the ground
03:42
Zoom in to see the pipe Diameters.
03:45
The first two pipes are 150, and then the next ones jump up in size to 225 mm,
03:52
which is not surprising considering the slope
03:56
zoom out again and you can see that the pipes have been laid much deeper in the ground,
03:60
upslope and downslope.
04:02
This is because the design had to meet either the
04:05
slope criteria or the velocity criteria that was specified.
Once you have defined the Network Design criteria, as has been done in this example, you then simply need to run the Network Design Wizard to apply that criteria.
First, load the rainfall study if it is not already:
In the Profile – Flow1 dialog box, notice that the pipes are currently laid along the top of the catchment surface.
To specify the flow path and assign a depth to the pipes:
For the first catchment area, the capacity of 24.08 liters per second far exceeds the flow of 9.88 liters per second, so this pipe is sized plenty big enough. If additional structures are to be built within that first area, it is likely that the pipe will be able to accommodate the increased flow.
Now look at the Pipe (2) values. Here, the flow is closer to the capacity, in which case, for those same additional structures in the first catchment area, this pipe may not be big enough to accommodate the greater flow.
After that, there is a big jump in the capacity of the next couple of pipes, likely from a greater size pipe.
The pipes have been laid much deeper in the ground upslope than downslope. This is because the design had to meet either the slope criteria or the velocity criteria that was specified.
Sign in to start learning
Sign in for unlimited free access to all learning content.Save your progress
Take assessments
Receive personalized recommendations