Technical observations:
* As three samples of the concrete from different locations were taken from slabs for the tests in the well known laboratory
.
* Result of the tests is attached with the report.
* Considering the concrete of the slabs as lowest as M30, the minimum average strength of the concrete should be 30 (N/mm2).
* But the result of the laboratory shows the average strength of the samples as 13.8 (N/mm2)
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Best regards,
Al-Furjar Engineering consultants
Sohar branch