NIGP 91355: Construction, Tunnel

NIGP 91355 Construction, Tunnel (Item) encompasses tunnel construction, pedestrian tunnel rehabilitation, and related underground infrastructure work that state and local governments are actively procuring. Recent state and local solicitations show governments buying tunnel waterproofing and concrete repair, pedestrian tunnel improvements, taxiway construction with tunnel superstructures, production well drilling to significant depths, and utility relocation projects with trenchless technologies including horizontal directional drilling and microtunneling. Issuing bodies span county departments (Wayne County, Michigan; Orange County and Pasco County, Florida; Santa Clara County, California; Williamson County, Texas), cities (Salt Lake City, Cibolo, Flowery Branch, McKinney, Palm Bay, DeBary, Bartow, Dallas), regional transit and airport authorities (Salt Lake City Department of Airports, Maricopa County, Scottsdale Airport), school districts (Salt Lake City School District, DeKalb County School District), and special-purpose authorities (Georgia World Congress Center Authority, Beaufort-Jasper Water and Sewer Authority). Orange County, Florida appears as a repeat issuer with multiple recent solicitations.

Recent activity clusters in the Southeast, Southwest, and California. Representative current opportunities include: Wayne County (Michigan) soliciting sealed bids for sewer rehabilitation and access improvements on four sewer systems due October 1, 2026 (IFB REQ00010514); Williamson County Commissioners' Court (Texas) requesting sealed bids for cross culvert replacements due July 7, 2026 (IFB 26IFB54); Orange County (Florida) requesting sealed bids for emergency bridge replacements at Wallington Drive and Egret Way with an estimated project cost of $6.2 million due July 7, 2026 (IFB Y26-742); Salt Lake City School District (Utah) requesting bids for pedestrian tunnel waterproofing and concrete repair at Wasatch Elementary with mandatory pre-bid site visit on April 14, 2026 and bids due April 23, 2026 (IFB TB2660-WT); and the City of Dallas Water Utilities soliciting sealed bids for water and wastewater main replacements at 17 locations with mandatory pre-bid conference on May 8, 2026 and bids due June 5, 2026 (sealed competitive bid). Broward County and Santa Clara County show recurring procurement activity in infrastructure construction. Set-asides and preferences vary by jurisdiction, with Dallas Water Utilities implementing Small Business Enterprise participation goals under its DRIVE Policy, Orange County offering an eight percent price preference for Service Disabled Veteran-owned businesses on select projects, and several counties and cities incorporating Davis-Bacon prevailing wage and federal compliance requirements on FAA-funded airport projects.