UNSPSC 30121900: Soil stabilizers and reinforcing materials

Materials to improve the physical and or chemical properties of soil by changing the coupling of soil particles or volume of void between the particles, and reinforcement material used to reinforce support capacity at the time of establishment of weak foundation or inclined surface and at the time of establishment of retaining wall with reinforced earth.

UNSPSC 30121900 Soil stabilizers and reinforcing materials is a Class code under which state and local governments procure materials and services for trail construction, dike reinforcement, landfill slope stabilization, and road repair. Recent solicitations show demand for rock and stone delivery (cobble rock, fill material, rock retaining walls), hydroseeding and erosion control applications to stabilize vegetated slopes, and general construction materials supporting ground reinforcement in park and recreational infrastructure projects. The issuing bodies span multiple jurisdictions: city governments (Farmington City, Utah), county departments (Sacramento County, Pasco County, Florida), state agencies (Utah Division of Purchasing through Wildlife Resources, Florida Department of Environmental Protection), and regional facilities (landfills, transfer stations, state parks). No single entity dominates recent activity; opportunities emerge from diverse municipal and state environmental or public works divisions.

Geographic activity concentrates in Utah and California with recent activity also in Florida. Representative recent opportunities include Farmington City's IFB for the Lower Farmington Creek Trail (sealed bids due July 16, 2026, with scope including rock steps, rock retaining walls, and fill material); the State of Utah Division of Purchasing IFB BD26-75 for delivery of 3,750 tons of cobble rock to Farmington Bay Wildlife Management Area (bids due June 8, 2026, with June 19, 2026 completion); Sacramento County's RFB 2026-RFB-0049 for erosion control services via hydroseeding on landfill slopes (bids due June 11, 2026, with a 5% local business preference and 2% micro-business preference available); and the Florida Department of Environmental Protection ITB for road repair and repaving at Oleta River State Park (bids due April 15, 2026). Pasco County's June 2026 RFQ for as-needed supply of copper sulfate crystals and liquid copper sulfate represents a secondary procurement pattern under the code, though that solicitation details remain sparse.