NEI’s teams of professionals are experts in the storm water management. Our experience in this realm allows NEI to provide its clients with unmatched Drainage support. Drainage systems comprise a complicated mix of components, from street inlets to pipes, and from streams and open channels to ponds and control structures that are designed to attenuate flow or prevent pollution. Our drainage solution can help you understand and effectively design these types of systems ranging from roadway drainage project to civil drainage projects to more complex land development studies. 

Drainage Engineering Services

Storms drain, cross drain, ditch design

Pond design

TMDL analysis and design

Environmental permitting

Pond sitting reportsBase clearance analysis

Bridge hydraulic reports

FEMA No-Rise Certifications reports

FEMA Conditional Letter of Map Revision (CLOMR/LOMR)

Location hydraulic reports

Flooding investigations