Creating and modifying storm drainage pipe networks

After running through several calculations and ensuring that we’re adhering to local and state design requirements and regulations, we’ve been able to determine that we’ll need a detention pond with an approximate storage of 22,700 cubic feet, and it will need to be located near the lowest point of our site, which ends up being in the southwestern-most lot within our residential subdivision design, as shown in Figure 12.10:

Figure 12.10 – Location of the detention pond

Let’s go ahead and jump into our Grading Model.dwg file to include this new Detention Pond as a standalone surface and then paste it into our comprehensive SRF - Proposed Grade - Residential Subdivision Surface model. Using our land development tool belt, we’ll want to create a new site for this detention pond.

Feel free to create a boundary polyline that delineates the top of the pond and convert...