| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. BASE SURFACE PREPARATION | |||
| A1 | Surface cleaned: loose mortar, dust, and debris removed; surface dust-free Acceptance: Surface clean and firm; no loose material; suitable for plaster bond | Cl. 6 — Surface preparation | OK NC NA HOLD |
| A2 | Surface wetted properly: not dry (prevents rapid suction) but not waterlogged Acceptance: Masonry pre-wet 24 hours before plastering; surface damp; good absorption | Cl. 6.1 — Moisture control | OK NC NA HOLD |
| B. PLASTER MIX AND MORTAR QUALITY | |||
| B1 | Plaster mix composition verified: cement:sand ratio per specification (typically 1:3 or 1:4) Acceptance: Mix proportions accurate; materials fresh; batching documented | Cl. 7 — Mix design | OK NC NA HOLD |
| B2 | Plaster consistency uniform and workable; proper for even application Acceptance: Plaster spreads smoothly; holds shape on trowel; no segregation | Cl. 8 — Workability | OK NC NA HOLD |
| C. PLASTER APPLICATION | |||
| C1 | Plaster thickness uniform: 10-15 mm for first coat, 8-10 mm for finish coat Acceptance: Measurements at 5+ locations; thickness ≤±2 mm; uniform coverage | Cl. 9 — Thickness | OK NC NA HOLD |
| C2 | Plaster well-bonded to base; no hollow spots or poor adhesion Acceptance: Hammer test shows no hollow sound; good mechanical bond; no delamination | Cl. 9.1 — Adhesion | OK NC NA HOLD |
| C3 | Surface level and plumb: checked with straightedge and plumb bob Acceptance: Level tolerance ±5 mm per 2 m; plumb deviation <5 mm per storey | Cl. 9.2 — Alignment | OK NC NA HOLD |