The report found additional spalling or cracking in a small percentage of concrete columns and exterior walls. One column contained a wide crack, defined as more than 2 millimeters.

Spalling is when the concrete breaks apart. RELATED: Six Bay Area bridges — including the Golden Gate Bridge — could be at risk of collapsing if struck by vessel, federal officials warn ...

Concrete spalling is common in Hawaiʻi’s residential homes, given the region’s unique environmental factors and direct exposure to rain and water.

The buildings affected are 5437-5441, 5500- 5507, 5510-5515, 5517, 5520, 5540-5541, 5543, 5545, 5547 and 5549-5554, according to the wing’s post.

Recently, there were two instances of concrete blocks falling from ceiling of HDB units. FM Love 972 radio DJ Ho Ai Ling narrowly avoided injury on June 22 when a chunk of concrete fell from the ...