| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. OPERATION TEST | |||
| A1 | Door/window opens and closes smoothly through full range without jamming Acceptance: Open/close cycles: ≥5 repetitions without sticking; smooth operation; no abnormal noise; full range 90° or greater | Cl. 4.1 — Operation smoothness | |
| A2 | Lock/latch operates smoothly; key turns easily; latch engages securely Acceptance: Lock tested ≥3 times; smooth operation; no grinding or binding; secure engagement | Cl. 4.2 — Lock function | |
| A3 | Door closer (if present) provides controlled closure; no slamming or excessive speed Acceptance: Closing time 3-5 seconds for full closure; smooth deceleration; no jerking | Cl. 4.3 — Closer performance | |
| B. WATER-TIGHTNESS TEST | |||
| B1 | Water spray test performed at frame-to-wall junction; no water penetration into building interior Acceptance: Water sprayed at ~100 mm above sill level for 5 minutes; interior surfaces remain dry; drainage path functional | Cl. 5.1 — Weatherproofing verification | |
| C. GAP AND ALIGNMENT VERIFICATION | |||
| C1 | Gap uniformity verified when door/window closed: ≤3 mm top/sides, ≤5 mm bottom Acceptance: Gap measured at top, middle, bottom; uniform throughout; no binding areas | Cl. 6.1 — Gap verification | |