This standard provides requirements for the field application of polyurea, polyurethane, or polyurea/polyurethane hybrid thick film coatings to concrete, steel, and non-ferrous metal surfaces using plural component spray equipment. In this standard, thick film coatings are defined as coatings specified to have greater than 500 micrometers [um] (20 mils) dry film thickness. Surface preparation, pretreatments, machinery requirements and parameters are addressed in this standard.