S4u Stair Repack Crack -

| Parameter | Finding | |-----------|---------| | | [ ] Tread (horizontal) [x] Riser (vertical) [ ] Stringer (side support) [ ] Landing | | Approximate length | 120 mm | | Width (gap) | 2–3 mm | | Depth | Surface / Partial / [ ] Through-thickness | | Pattern | [ ] Hairline [x] Step-like (following joints) [ ] Spider web (spalling) | | Material | [ ] Concrete [ ] Stone/Marble [x] Wood [ ] Metal weld failure |

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___________________ Maintenance Acknowledged: ___________________ Engineer Review Required: ☐ Yes ☐ No | Parameter | Finding | |-----------|---------| | |