| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. LOCKS AND LATCHES | |||
| A1 | Lock installed at correct height (typically 900 mm from floor to center of lock) and operation verified Acceptance: Height measured; lock operates smoothly; key turns freely; latch engages securely into strike plate | Cl. 4.1 — Lock installation | OK NC NA HOLD |
| A2 | Strike plate properly aligned and securely fastened; latch contacts strike without binding Acceptance: Strike plate centered on latch; fastened with 3-4 screws; door closes without sticking; latch travel smooth | Cl. 4.2 — Strike plate alignment | OK NC NA HOLD |
| B. DOOR CLOSERS AND DAMPERS | |||
| B1 | Door closer installed per manufacturer; closing speed adjusted (typically 3-5 seconds for full closure) Acceptance: Closer mounted securely on frame/door; hydraulic fluid level adequate; closing speed tested; no jerking or slamming | Cl. 5.1 — Closer installation | OK NC NA HOLD |
| B2 | Closer adjustment: opening resistance and closing force appropriate for door weight and traffic Acceptance: Opening force minimal (≤20 N push); closing force controlled; no energy loss between 45° and 0° | Cl. 5.2 — Closer adjustment | OK NC NA HOLD |
| C. HANDLES AND KNOBS | |||
| C1 | Handle/knob height installed correctly (typically 900 mm center); operation smooth without wobble Acceptance: Height measured; handle fixed securely; no lateral movement when force applied; finish free of defects | Cl. 6.1 — Handle installation | OK NC NA HOLD |