As-built surveys are required for:
- Storm drainage
- Impervious area
- This survey will state the current square footage of impervious area on a specific site(s). The impervious area will be compared with the allowable amount allocated for the site(s) per the approved land development plan and associated regulation.
- Storm drainage BMPs
These as-built surveys with calculations (if applicable) must be submitted into Land Development’s
Electronic Plan Management (EPM) by a Professional Land Surveyor and/or a Professional Engineer. The submitted plans and calculations must be sealed, signed and dated.
- No Professional Land Surveyor seal on plan(s)
- Pipe is less than 0.5% slope
- The velocity at a discharge point is greater than five fps
- Pipe slope differs greatly from design
- There is less than two feet of coverage over a pipe and class 4 RCP pipe was not specified
- The volume of the BMP is undersized
- The BMP aquatic shelf is not within 1 to 1.5 feet below the permanent pool elevation
- There is no access point or safety bench for equipment to get to the BMP when it needs maintenance
- Outlet devices are not sized according to plans
Questions about As-Built Surveys:
Call 980-314-3234