Resources

By Gillan Construction LLC • September 3, 2026
Learn how hydro-excavation protects buried utilities on Spring Valley commercial sites—when potholing is required, how JULIE rules apply, and what to expect.
By Gillan Construction LLC • June 22, 2026
Storm drain systems in Peoria, IL include drainage pipe installation, catch basins, and erosion control to manage stormwater runoff and prevent flooding.
By Gillan Construction LLC • May 23, 2026
Underground utility installation in Kewanee, IL includes trenching, pipe placement, and coordination for water, sewer, and storm systems built to municipal standards.
By Gillan Construction LLC • April 23, 2026
Curbs and sidewalks in Ottawa, IL include ADA-compliant walkways, durable pavement preparation, and code-compliant concrete construction for commercial sites.
By Gillan Construction LLC • March 24, 2026
Foundation construction in Mendota, IL includes footings, structural concrete, and load-bearing systems built to support heavy commercial structures safely.
By Gillan Construction LLC • February 22, 2026
Concrete construction services in Princeton, IL deliver commercial slabs, pads, and reinforced flatwork with precision finishing and long-term durability.
By Gillan Construction LLC • January 23, 2026
Commercial excavation services in Spring Valley, IL include large-scale site clearing, precision grading, and trenching for foundations and utilities.