| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. MATERIAL VERIFICATION | |||
| A1 | Finish paint approved: Type, color, batch verified against spec; test cert and color sample available Acceptance: Color approved by client (if required); batch within shelf-life; coverage rate verified | Cl. 303 — Material approval | |
| A2 | Paint condition verified: No settling, lumps, or separation; viscosity suitable; ready for use Acceptance: Paint thin and uniform; no foreign matter; no odor of old paint; properly mixed if two-pack | Cl. 303 — Quality check | |
| B. APPLICATION PREPARATION | |||
| B1 | Primer/undercoat complete and dry: Approval received; surface smooth and ready for finish Acceptance: Primer sign-off available; 24-hour drying confirmed; touch test shows full hardness | Cl. 303 — Prerequisite check | |
| B2 | Weather conditions optimal: Ambient 10-35°C, humidity <80%, no rain; dry application conditions Acceptance: Temperature/humidity logged; forecast clear for 24 hrs; drying conditions confirmed | Cl. 303 — Environmental conditions | |
| B3 | Light conditions adequate for visual inspection: Natural daylight or bright artificial light Acceptance: Work area well-lit; visual defects easily visible; colors can be assessed accurately | Cl. 303 — Inspection readiness | |
| C. FINISH COAT APPLICATION | |||
| C1 | Coverage rate verified: Paint coverage rate per label (typically 10-15 m²/liter); quantity calculated Acceptance: Coverage logged; actual consumption documented; ±10% variance acceptable | Cl. 303 — Material control | |
| C2 | Finish coat applied uniformly: Full coverage, no thin spots, uniform color, smooth finish Acceptance: 100% coverage; color uniform; no color variation >5 degrees; straightedge shows no bare spots | Cl. 303 — Application control | |
| C3 | Application technique: Brush marks minimal; roller patterns blended; no drips, sags, or runs Acceptance: Smooth finish; brush marks <1mm; no drips >2mm; professional finish quality | Cl. 303 — Application quality | |
| C4 | Dry Film Thickness (DFT) target: Typically 80-120 microns for emulsion; per product spec Acceptance: Wet thickness 80-120 microns; DFT measured after drying; target ≥60 microns minimum | Cl. 303 — Thickness specification | |
| C5 | Second finish coat (if specified): Applied after 24 hours dry time; orthogonal direction preferred Acceptance: 2nd coat covers first uniformly; total DFT ≥120 microns for durability | Cl. 303 — Multi-coat application | |