I will usa ca, fl, tx, ny design storm water drainage, grading, civil 3d, pipe network

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david_collins68
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david_collins68
david collins
usa ca, fl, tx, ny design storm water drainage, grading, civil 3d, pipe network
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usa ca, fl, tx, ny design storm water drainage, grading, civil 3d, pipe network

About this gig

Need a stormwater drainage plan, grading plan, Civil 3D design, or pipe network for your residential or commercial project? I provide permit-ready civil engineering drawings for projects in California, Texas, Florida, New York, and throughout the USA.


With experience in civil site design, I deliver accurate, code-conscious drawings and calculations that help support local permit applications.


Services I Offer

  • Stormwater Drainage Plans
  • Grading and Drainage Plans
  • Civil 3D Site Design
  • Pipe Network Design
  • Storm Sewer Layouts
  • Stormwater Management Plan (SWMP)
  • SWPPP (Stormwater Pollution Prevention Plan)
  • Erosion & Sediment Control Plans
  • Site Drainage Design
  • Hydrology and Hydraulic (H&H) Calculations
  • Detention and Retention Pond Design
  • Drainage Reports & Calculations
  • Permit-Ready Civil Engineering Drawings


Why Work With Me?

  • Professional Civil 3D drafting and design
  • Permit-ready plans for residential & commercial projects
  • Accurate drawings with attention to project requirements
  • Fast turnaround and responsive communication
  • High-quality deliverables and reliable support


Message me before placing your order to discuss your project and receive the best solution for your permit requiremen

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Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.

Get to know david collins

david collins

Stormwater Engineering Done Right

  • FromUnited States
  • Member sinceJun 2026
  • Avg. response time7 hours

  • Languages

    English, Spanish, German, French
I specialize in civil and stormwater engineering, delivering permit-ready drawings and calculations for residential and commercial projects across the USA. My services include Stormwater Management Plans (SWMP), SWPPP, grading and drainage plans, erosion and sediment control, storm drain design, detention and retention pond design, hydrology and hydraulic (H&H) reports, drainage calculations, site development plans, and permit documentation. I provide accurate, code-compliant solutions with fast turnaround and professional communication.

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