Helping agencies achieve mission success

Let Colman Engineering serve as your trusted partner. We apply our civil engineering expertise—along with a commitment to doing things right—to design responsible, cost-efficient solutions that address your budget and requirements.
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​SBA 8(a):  C004EY 
Primary NAICS: 54133 - Engineering Services
Certifications: DBE, SBE, MBE, Micro Business
CAGE Code: 5XK39
DUNS: 833213791
VA SWAM Cert #: 685530

Services

  • Stormwater Management and Water Quality Plans
  • BMP Design, Analysis, Inspection, and Evaluation
  • Culvert & Ditch Analysis and Design
  • Site Drainage Design
  • Erosion & Sediment Control Plans 
  • Watershed Planning, Studies, and Design
  • Hydrologic and Hydraulic Analysis
  • Flood Hazard Studies
  • FEMA Map Revisions
  • Elevation Certificates
  • Environmental Impact Reports (EIR)
  • Phase 1 Environmental Site Assessments
  • Stormwater Pollution Prevention Plans (SWPPP)
  • Spill Prevention, Control and Countermeasure Plans (SPCC)
  • Oil Discharge Contingency Plan (ODCP)
  • Industrial Stormwater Pollution Prevention Plans
  • Commercial & Residential Site Design
  • Utility Design and Relocation
  • Feasibility & Site Analysis
  • Zoning Applications, Special Use Permits, and Variance Requests
  • Preliminary Plats
  • Site Plans and Land Planning
  • Sanitary Sewer Systems
  • Water Distribution Systems
  • Maintenance of Traffic Plans
  • Public and Private Roadway Design
  • Cost Estimating

Government Client Base

  • ​State of Virginia
  • James Madison University
  • City of Harrisonburg, VA
  • Town of Broadway, VA
  • Jamestown-Yorktown Foundation
  • Rockingham County, VA
  • Shenandoah Valley Soil and Water Conservation District

Let us help with your next project.

We shape our buildings, thereafter they shape us.
- Winston Churchill