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EMR-08 · Aba Al-Saud
Emara Palace — post building
House · 1 storeys · 147 m² NE elevation built 1961documented criticality 2/5
Latest capture
15 Jul 2026 · 112 d ago
Measured on this visit
1.1 mm
max crack width
4%
surface loss
8%
salt loading
Stable
marker MK-EMR-08 · confidence 97% · Field survey
Risk
0–100
17Stable
stableintervene
Time to 22% loss—
Growth rate0.02 mm / month
Intervention estimateSAR 18,500
Findings
6 captures
Water ingress
dominant mechanism on the last visit
Rising damp line at 51% RH
salt crystallisation risk band
NE 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 Jul 2026
| Defect | Width | Length | Face | Mechanism | Drives risk |
|---|---|---|---|---|---|
| Defect 1 | 1.1 mm | 1,869 mm | N | 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
6 accepted
| Date | Crack | Loss | Salt | RH | Mechanism | Captured by | Marker | Confidence |
|---|---|---|---|---|---|---|---|---|
| 15 Jul 2026 | 1.1 mm | 4% | 8% | 51% | Water ingress | Field survey | MK-EMR-08 | 97% |
| 29 Mar 2026 | 1.0 mm | 3% | 9% | 47% | Surface loss | A. Al-Hadi | MK-EMR-08 | 88% |
| 11 Dec 2025 | 1.0 mm | 4% | 9% | 67% | Water ingress | A. Al-Hadi | MK-EMR-08 | 92% |
| 26 Aug 2025 | 0.9 mm | 3% | 6% | 40% | Salt crystallisation | Field survey | MK-EMR-08 | 94% |
| 10 May 2025 | 0.8 mm | 3% | 5% | 64% | Surface loss | Field survey | MK-EMR-08 | 96% |
| 22 Jan 2025 | 0.7 mm | 3% | 7% | 74% | Structural crack | A. Al-Hadi | MK-EMR-08 | 92% |
Field note
The telegraph and post building within the complex. Guardian: A. Al-Hadi.
Site reference: Najran Municipality — أبرز معالم نجران.