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English
$
USD
I will prepare hydrology report and drainage report for stormwater
Professional Architectural Site Plans
I’m Kareem, an architecture professional specializing in accurate and professional site plans, plot plans, property layouts, and permit drawings. I use AutoCAD and architectural drafting techniques to...
About this Gig
Is your city demanding a formal drainage report to approve your site plan? I prepare professional hydrology reports that calculate stormwater runoff and demonstrate how your project manages drainage to meet municipal requirements.
This gig is designed for property owners, developers, and architects who need technical documentation to accompany their grading and drainage plans.
Depending on the package, your report may include:
- Project narrative and site description
- Soils and FEMA floodplain data
- Pre-development vs. post-development runoff calculations
- Time of Concentration (Tc) analysis
- Rational Method or TR-55 methodology
- Stormwater detention volume sizing
- Appendix with maps and charts
You provide your site plan, grading plan, and local stormwater manual or city checklist. I deliver a clean, professional, and easy-to-read report that gives permit reviewers the exact data they are looking for.
Project scale:
City
Building type:
Residential
•
Commercial
•
Institutional & public
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 methodology do you use for calculations?
I typically use the Rational Method for small sites and TR-55 / SCS Curve Number methodology for larger sites or detention routing.
What do you need from me to write the report?
I need your site plan, topographic survey, proposed grading plan, and the city's specific stormwater guidelines.
Does this include the actual drainage drawings?
No, this gig is for the written technical report and calculations. If you need drainage drawings, please see my other gig.
Can you size a detention pond or underground infiltration system?
Yes, detention and retention volume sizing is included in the Premium package.
Will this guarantee my permit gets approved?
I provide accurate engineering calculations based on your data, but city approval depends on their specific interpretation of local codes.
Do you provide a PE stamp on the report?
No, I provide unsealed engineering calculations and reports. If your jurisdiction strictly requires a PE stamp, you must hire locally.
