| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. INSPECTION HOLD POINTS | |||
| A1 | HOLD POINT 1: Substrate Preparation & Levelling Acceptance: Level variation ≤5 mm in 3 m; compaction ≥95% SPD; cleanliness verified; moisture ≤8% | Inspect base and levelling course before tile laying | OK NC NA HOLD |
| A2 | HOLD POINT 2: Material Approval (Tiles, Adhesive, Grout) Acceptance: Test certificates received; batches approved; approved samples on site | Verify material quality before use | OK NC NA HOLD |
| A3 | HOLD POINT 3: Tile Laying & Adhesion (First 50 m²) Acceptance: Alignment ±2 mm/m, joints ±1 mm, pull-off ≥2.0 MPa; proceed if passed | Pilot check on initial layout before full-scale production | OK NC NA HOLD |
| A4 | HOLD POINT 4: Adhesive Curing & Joint Cleaning Acceptance: Minimum 48 hrs since laying; joints cleaned of adhesive; tiles stable | Verify adhesive set before grouting | OK NC NA HOLD |
| A5 | HOLD POINT 5: Grouting Completion Acceptance: Joints fully filled, no voids, uniform finish, excess removed, surface clean | Inspect grout quality before curing period | OK NC NA HOLD |
| A6 | HOLD POINT 6: Final Inspection & Acceptance Acceptance: All QC tests passed, no defects, slip resistance verified, documentation complete | Comprehensive final check before handover | OK NC NA HOLD |
| B. TEST & INSPECTION SCHEDULE | |||
| B1 | Daily Substrate Inspection (Straightedge, Level, Cleanliness) Acceptance: Flatness ±5 mm in 3 m; dust-free surface; no cracks >2 mm | Ongoing monitoring during substrate preparation | OK NC NA HOLD |
| B2 | Daily Tile Laying Inspection (Alignment, Levelness, Joint Check) Acceptance: Variation ≤2 mm in 1 m length; joint width ±1 mm; no lippage | Monitor laying quality each day | OK NC NA HOLD |
| B3 | Pull-Off Adhesion Testing (Minimum 5 per 100 m²) Acceptance: Average ≥2.0 MPa; minimum 4/5 samples pass; failures <1.5 MPa noted | Verify bond strength during laying phase | OK NC NA HOLD |
| B4 | Grouting Inspection (Joint Fill, Surface Finish Quality) Acceptance: Joints fully filled, uniform color, flush finish, no voids or cracks | Monitor grouting phase | OK NC NA HOLD |
| B5 | Slip Resistance Testing (If Required) Acceptance: PTV ≥36 dry, ≥24 wet (or R9+ classification per DIN 51130) | Safety verification for wet areas | OK NC NA HOLD |
| B6 | Water Absorption Testing (Tile Batch Verification) Acceptance: Absorption ≤10% for vitrified, ≤20% for ceramic; per IS standard | Confirm material specifications before laying | OK NC NA HOLD |
| C. ACCEPTANCE CRITERIA | |||
| C1 | Substrate Acceptance Acceptance: Flatness ±5 mm/3 m, compaction ≥95% SPD, moisture ≤8%, clean surface | Substrate must meet specifications for tiling | OK NC NA HOLD |
| C2 | Tile Laying Acceptance Acceptance: Level ±2 mm/m, joint ±1 mm, adhesion ≥2.0 MPa, no visible defects | Tiles properly placed with adequate adhesion | OK NC NA HOLD |
| C3 | Grouting Acceptance Acceptance: Joints fully filled, uniform finish, flush with tiles, no cracks, clean surface | Grout application and finish meets standard | OK NC NA HOLD |
| C4 | Final Surface Acceptance Acceptance: No visible defects, slip resistance verified, uniform appearance, ready for use | Overall floor appearance and functionality | OK NC NA HOLD |