NIGP 21012: Blocks, Kiln and Oven

NIGP Item 21012 Blocks, Kiln And Oven encompasses materials and supplies used in infrastructure repair and construction projects by state and local governments, though recent solicitation activity shows the code capturing concrete and asphalt aggregate materials, precast concrete components such as sanitary sewer manholes, and related crushing and processing services. Issuing bodies include county sanitation districts, county public works departments, and county boards of commissioners pursuing infrastructure rehabilitation, pavement projects, and sewer system upgrades. The work solicited ranges from concrete and asphalt crushing services to supply and installation of precast concrete structures as part of larger capital improvement programs.

Recent activity concentrates in California, with Santa Clara County and Cherokee County posting opportunities between April and August 2026. Santa Clara County Sanitation District No. 2-3 issued ITB ITBRDAFY270088 on August 26, 2026 for the Structural Defect Repair Project Phase 2, requesting removal and replacement of sewer pipe with precast concrete sanitary sewer manholes and fittings, with bids due September 17, 2026. Santa Clara County also posted ITB ITBRDAFY260694 on April 29, 2026 for the Central Expressway Pavement Rehabilitation Project between Bowers Avenue and Scott Boulevard, seeking pavement rehabilitation including hot mix asphalt overlay and Portland cement concrete curb and gutter installation, with bids due May 21, 2026. Cherokee County Board of Commissioners Purchasing Department issued competitive sealed bid request PE77123NONST2027000000137 on July 24, 2026 for concrete and asphalt crushing services in support of Public Works, with bids due August 25, 2026.