stormwater sewer network road map

1.
Set the Spatial Domain
Load
Bitmap
Physical Boundaries
2.
Import 3DPoint Cloud
Load
CSV File from:
- Google Earth
- CAD
- GIS
- Field Survey
3.
Create the DEM
Build
Spatial Domain
3DPoint Cloud
4.
Define Stormwater Loads
Set
Stormwater quality
Rain model
Return period
Runoff distribution
Drainage areas
5.
Sketch a Preliminary planimetric Layout
Check
Manholes:
  • are readily accessible?
Conduits:
  • serve drainage areas?
  • are perpendicular to contour lines?
  • follow natural drainage patterns?
6.
Get a Preliminary sewer sizing
Run
Stormwater Loads
Preliminary Layout
Sewer Catalogue
7.
Set a Preliminary longitudinal Layout
Check
- Pipes depth (cost)
- Pipes parallel to the ground surface
- Pipes depth fit with the outfall depth
- Avoid pumps if possible
- Revise Drainage Areas
8.
Try the Ultimate Layout
Run
Preliminary Layouts
9.
Revise the design
Check
Building costs:
- depth
- length
- size
Max velocity
Loop from step 5
until satisfactory

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