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UKH-02 · Al-Ukhdood
Al-Ukhdood — mosque
Mosque · 1 storeys · 297 m² E elevation built c. 1850estimated criticality 3/5
Latest capture
15 Oct 2026 · 20 d ago
Measured on this visit
1.7 mm
max crack width
5%
surface loss
10%
salt loading
Stable
marker MK-UKH-02 · confidence 99% · Field survey
Risk
0–100
26Stable
stableintervene
Time to 22% loss119 months
Growth rate0.02 mm / month
Intervention estimateSAR 37,500
Findings
5 captures
Water ingress
dominant mechanism on the last visit
Rising damp line at 58% RH
salt crystallisation risk band
E 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
15 Oct 2026
| Defect | Width | Length | Face | Mechanism | Drives risk |
|---|---|---|---|---|---|
| Defect 1 | 1.7 mm | 1,797 mm | S | Water ingress | worst |
The wall carries 1 separate defect at this visit. The widest one sets the risk band; the others are counted and carried in the record.
Capture ledger
5 accepted
| Date | Crack | Loss | Salt | RH | Mechanism | Captured by | Marker | Confidence |
|---|---|---|---|---|---|---|---|---|
| 15 Oct 2026 | 1.7 mm | 5% | 10% | 58% | Water ingress | Field survey | MK-UKH-02 | 99% |
| 24 Jun 2026 | 1.7 mm | 5% | 12% | 51% | Surface loss | Field survey | MK-UKH-02 | 87% |
| 03 Mar 2026 | 1.5 mm | 4% | 11% | 29% | Salt crystallisation | Field survey | MK-UKH-02 | 94% |
| 09 Nov 2025 | 1.5 mm | 4% | 11% | 57% | Salt crystallisation | A. Al-Hadi | MK-UKH-02 | 89% |
| 19 Jul 2025 | 1.4 mm | 3% | 9% | 56% | Surface loss | A. Al-Hadi | MK-UKH-02 | 89% |
Field note
Mosque at the archaeological site. Guardian: A. Al-Hadi.
Site reference: Al-Ukhdood archaeological record.