- Part, substrate, and current condition
- STEP or STP model, matching PDF drawing, or clear sample photos; base material and grade; heat-treated, plated, painted, coated, welded, cast, machined, repaired, weathered, contaminated, or otherwise relevant starting condition; overall size, cavities, threads, joints, and features that affect preparation or handling
- Finish system and governing definition
- Requested powder coating, paint, anodizing, conversion coating, passivation, plating, chemical finish, blasting, brushing, polishing, or other surface treatment; exact designation, product, colour, sample, service objective, exposure context, sequence, and governing customer specification when already defined
- Preparation, masking, and dimensional intent
- Current and required surface condition, burr or edge requirement, specified cleaning or preparation, coated and coating-free zones, threads and bores, datums and contacts, sealing and fit surfaces, allowance, dimensions controlled before or after finish, rack or contact restrictions, drainage and venting context
- Appearance, inspection, quantity, and timing
- Cosmetic and non-cosmetic faces, colour, gloss, texture, direction, acceptable variation, thickness requirement when specified, inspection method and measurement locations, coverage or sampling, acceptance criteria, documentation and protection needs, quantity, and target timing