CIVIL ENGINEERING
At PEI Engineering, we provide practical and code-compliant civil engineering solutions for homes, additions, and commercial sites. All civil plans are prepared by licensed Professional Engineers and delivered permit-ready..
Site & Plot Planning
Building placement, setbacks, easements, zoning checks, finish floor elevations, driveways, and access layout.
Grading & Drainage Design
Lot grading, positive drainage flow, surface runoff routing, swales, contour design, and compliance with city drainage criteria.
Stormwater Management
Runoff calculations, small detention/retention solutions, roof drainage routing, gutter/downspout discharge, and drainage area mapping.


Water & Sewer Utility Plans
Water service routing, sanitary sewer layout, cleanouts, slope design, invert elevations, and tie-in coordination with the city.
Commercial Site Engineering Parking lot layout, ADA access routes, dumpster pads, sidewalks, fire lane considerations, and general site improvements.
Permit-Ready Civil Drawings & Calculations
PE-sealed Site Plan, Grading & Drainage Plan, Utility Plan, Stormwater calculations, and erosion control notes as required.
Get in touch
Phone
info@peiengineering.com
945-365-2143
© 2025. All rights reserved.
ADDRESS
6660 S. Sheridan Rd. Tulsa, OK 74133