26Т-605_44110000-4 - Construction Materials (Modular Concrete Blocks) (Lot No. 1 - 44110000-4 Construction Materials (Modular Concrete Blocks); Lot No. 2 - 44110000-4 Construction Materials (Modular Concrete Blocks); Lot No. 3 - 44110000-4 Construction Materials (Concrete Blocks Modular); Lot #4 - 44110000-4 Structural Materials (Modular Concrete Blocks); Lot #5 - 44110000-4 Structural Materials (Modular Concrete Blocks))