Impervious Area Mapping Services

The City of Urbana is seeking a qualified vendor to create a comprehensive GIS file geodatabase that maps all impervious surfaces (buildings, roads, sidewalks, parking lots, etc.) on every parcel within the city limits (≈ 11.3 sq mi). The deliverable is an Esri‑compatible file geodatabase with polygon features that meet a minimum 95 % geometric accuracy, enabling the city to calculate storm‑water utility fees based on impervious area. Vendors must submit proposals electronically by October 19, 2026 and respond to any questions by October 14, 2026. The contract will be awarded to the best‑value offer, with the successful vendor required to provide insurance, bonding, and compliance documentation within 15 days of award. • Scope: City‑wide impervious‑area mapping, classification into 7 categories (buildings, roadways, sidewalks, driveways/parking, gravel surfaces, railways, pools). • Deliverable: Esri file geodatabase with polygons, ≥ 95 % accuracy. • Timeline: Proposal due Oct 19 2026; award expected within 90 days after submission. • Evaluation: Technical understanding, experience, cost‑effectiveness. • Required qualifications: Experience with GIS, Esri platforms, municipal storm‑water fee calculations; ability to meet quality‑control standards.