Civil Engineering

Grading & Drainage Plans

Civil Site Engineering

DERM-aware grading and drainage design to manage stormwater and meet permit requirements.

Site grading and drainage plan

What We Deliver

  • PE-signed grading and drainage plans
  • Stormwater management calculations
  • Existing and proposed contour mapping
  • Drainage structure sizing and layout
  • Erosion and sediment control plans
  • One coordinated response to AHJ comments

Who It’s For

  • General contractors with new construction projects
  • Developers requiring site development plans
  • Homeowners with drainage issues or additions
  • Landscape architects needing engineering backup

Engineering Scope

  • Grading Design: Proposed elevations, slope analysis, cut/fill calculations
  • Drainage Design: Pipe sizing, structure layout, flow routing, retention/detention
  • Stormwater Calcs: Rational method or TR-55 calculations for design storms
  • DERM Compliance: Miami-Dade DERM requirements for stormwater quality and quantity
  • Erosion Control: SWPPP-compliant erosion and sediment control measures
  • Permit Package: Signed & sealed civil plans with calculations

Pricing

Residential

Starting at $3,500 (plan-only)

Commercial

Starting at $7,500 (commercial site drainage with stormwater management)

Industrial

Starting at $10,000 (full civil site package)

Compliance Notes (Florida)

  • Miami-Dade DERM: Stormwater quality and quantity requirements
  • SFWMD: South Florida Water Management District permit requirements for larger sites
  • FBC Chapter 34: Site work and grading requirements
  • NPDES: Stormwater pollution prevention for construction activities

Ready to get your site development permitted — with drainage plans that meet every requirement?

Ready for Grading & Drainage Plans?

Contact us today for a consultation. PE-signed plans delivered with fast turnaround across South Florida.

Contact Us