| S.No. | Field / Checkpoint | Reference | Status |
|---|---|---|---|
| A. SUBSTRATE PREPARATION | |||
| A1 | Surface cleaning — loose mortar, dust, grease removed Acceptance: Surface sound | IS 1661 Cl. 4.1 | OK NC NA |
| A2 | Hacking on concrete surfaces — depth 3mm, density 100/m² Acceptance: Hacking visible | Mechanical bond for plaster on concrete | OK NC NA |
| A3 | Wetting before plastering — surface damp not soaking Acceptance: Wetted 30 min prior | IS 1661 Cl. 4.2 | OK NC NA |
| B. PLASTER MIX + APPLICATION | |||
| B1 | Mix ratio — 1:4 internal / 1:6 external (cement:sand) typical Acceptance: Volumetric batching | Per drawing / spec | OK NC NA |
| B2 | Sand — IS 1542 grade, silt < 5%, FM 1.2-2.2 Acceptance: Lab report | Pre-tested | OK NC NA |
| B3 | Plaster thickness 12-20mm internal, 15-25mm external Acceptance: Marked + verified | IS 1661 Cl. 5 | OK NC NA |
| B4 | Applied in 1 or 2 coats per spec Acceptance: Coat thickness uniform | Per drawing | OK NC NA |
| C. FINISH + CURING | |||
| C1 | Surface plumb + true to line — deviation ≤ 3mm per 2m Acceptance: Straight edge verified | IS 1661 | OK NC NA |
| C2 | Wooden float / sponge finish per spec Acceptance: Finish uniform | Per drawing | OK NC NA |
| C3 | Curing for 7 days from 24 hrs after application Acceptance: Wet curing | IS 1661 Cl. 6 | OK NC NA |
| C4 | Cracks (hairline / shrinkage) inspected + repaired Acceptance: Repairs documented | Acceptance: no cracks > 1mm wide | OK NC NA |