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I will design storm sewer pipe sizing and drainage plan for permit
About this Gig
Need a permit-ready storm sewer pipe sizing and drainage plan for city or county approval?
I am Jonathan, a Senior Civil & Hydraulic Engineer with 15+ years of experience preparing municipal site drainage designs, stormwater management plans, and pipe network calculations that pass plan check reviews smoothly.
Services Included:
- Storm sewer pipe sizing & velocity checks (Rational Method & Manning's equation)
- Civil site drainage plans & surface runoff catchment analysis
- Hydraulic Grade Line (HGL) & Energy Grade Line (EGL) modeling
- Pipe network schedules, manhole, outfall & inlet sizing
- City permit compliance reports & submittal documentation
- Software: AutoCAD Civil 3D, EPA SWMM, SSA, StormCAD
Why Work With Me?
- years of civil & hydraulic engineering expertise
- Focused on municipal permit approval & zero revision hassle
- Clear, structured technical presentation for municipal reviewers
Please message me before ordering to discuss your site plan and local municipality drainage requirements!
Project scale:
City
Building type:
Residential
•
Commercial
•
Other
Material speciality:
Concrete
•
Steel
Delivery style preference
Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.
FAQ
What site details do I need to send to start?
Please provide your CAD site plan (.DWG) or PDF showing topography/contours, project location, land area, and any specific local municipality drainage guidelines or storm return period criteria
Will this drainage plan and pipe sizing pass city plan check?
Yes. All hydraulic calculations and drainage plans are designed according to recognized municipal storm drain criteria and civil engineering standards to meet local permitting rules.
What software do you use for pipe network modeling?
I utilize industry-standard software tools including AutoCAD Civil 3D, EPA SWMM, Storm and Sanitary Analysis (SSA), and customized hydraulic calculation templates.
Can you handle detention pond and inlet sizing too?
Yes! I can size stormwater detention/retention basins, curb inlets, catch basins, and outfall structures alongside the pipe network. Please message me for a custom quote.
What if I have a large commercial development project?
For multi-pipe commercial networks or complex site grading, send me your drawings via message and I will create a custom offer tailored precisely to your scope.
