Specifications include, but are not limited to: This specification covers the surface preparation and coating application requirements for performing maintenance painting on the exterior of railroad passenger cars and locomotives for Alaska Railroad Corporation (ARRC). In this context, exterior refers to the sides, roof, ends, vestibule interior(s) and underframe equipment. Substrates include existing intact and adherent coating, high strength low alloy carbon steel, aluminum and durable epoxy body filler. Maintenance painting may include any of the following strategies: spot repairs, spot repairs and over coating, zone repairs and full removal and replacement. Surface preparation shall include methods for spot repairs, spot repairs and overcoating, zone repairs and full removal and replacement of existing coating systems. Power Washing, LPWC SSPC-SP WJ-4/NACE WJ-4; Solvent Cleaning SSPC-SP 1; Hand and Power Tool Cleaning SSPC-SP 2, SSPC-SP 3, SSPC-SP 15, SSPC, SP 11; Abrasive Blast Cleaning SSPC- SP 7/NACE No. 4, SSPC-SP 6/NACE No. 3, SSPC-SP 16; Aluminum Preparation ASTM D1730; Coating application methods include brush, roller, dauber, conventional spray, HVLP (high volume low pressure) spray, airless spray and plural component airless spray for polyurea application.