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MAN-03 · Al-Manjam
Al-Manjam village — guest house
House · 1 storeys · 299 m² S elevation built c. 1800estimated criticality 2/5
Latest capture
02 Sept 2026 · 63 d ago
Measured on this visit
2.5 mm
max crack width
6%
surface loss
16%
salt loading
Watch
marker MK-MAN-03 · confidence 92% · Y. Al-Amri
Risk
0–100
34Watch
stableintervene
Time to 5 mm31 months
Growth rate0.08 mm / month
Intervention estimateSAR 41,000
Findings
7 captures
Surface loss
dominant mechanism on the last visit
Rising damp line at 64% RH
salt crystallisation risk band
S face exposed to prevailing wind
drives the wet–dry cycle above 44 °C
Crack width over time
mm · measured, then forecast
Dots are accepted captures. The dashed tail is a linear projection of the measured rate — it is what moves this structure up the intervention queue, not the current width alone.
Defects on the latest visit
02 Sept 2026
| Defect | Width | Length | Face | Mechanism | Drives risk |
|---|---|---|---|---|---|
| Defect 1 | 2.5 mm | 1,383 mm | E | Surface loss | worst |
| Defect 2 | 1.5 mm | 803 mm | E | Surface loss | — |
| Defect 3 | 1.1 mm | 860 mm | SE | Salt crystallisation | — |
The wall carries 3 separate defects at this visit. The widest one sets the risk band; the others are counted and carried in the record.
Capture ledger
7 accepted
| Date | Crack | Loss | Salt | RH | Mechanism | Captured by | Marker | Confidence |
|---|---|---|---|---|---|---|---|---|
| 02 Sept 2026 | 2.5 mm · +2 | 6% | 16% | 64% | Surface loss | Y. Al-Amri | MK-MAN-03 | 92% |
| 14 Jun 2026 | 2.3 mm · +2 | 5% | 12% | 59% | Structural crack | Field survey | MK-MAN-03 | 95% |
| 26 Mar 2026 | 2.0 mm · +2 | 4% | 13% | 63% | Surface loss | Y. Al-Amri | MK-MAN-03 | 95% |
| 05 Jan 2026 | 1.9 mm · +2 | 5% | 12% | 40% | Surface loss | Field survey | MK-MAN-03 | 93% |
| 17 Oct 2025 | 1.7 mm · +2 | 4% | 11% | 55% | Surface loss | Y. Al-Amri | MK-MAN-03 | 88% |
| 29 Jul 2025 | 1.4 mm · +2 | 3% | 10% | 63% | Salt crystallisation | Y. Al-Amri | MK-MAN-03 | 91% |
| 10 May 2025 | 1.2 mm · +2 | 4% | 9% | 29% | Structural crack | Y. Al-Amri | MK-MAN-03 | 86% |
Field note
Reception room for visitors to the village. Guardian: Y. Al-Amri.
Site reference: Saudi Press Agency — Al Manjam village report.