Chennai: There were 69 incidents of glass panel breakage at the steel and glass terminals at Chennai airport since the domestic and international terminals were commissioned in 2013. Of this 35 incidents were because of presence impurities – nickel sulphide in the glass. The particles of the chemical makes the glass to shatter when there is change in temperature.
The data was released by AAI after a glass panel shattered at the domestic terminal after a tiny metal part which flew off some passing vehicle hit it on Friday.
The statistics showed that almost equal number of panels have shattered due to chemical impurities in the glass and due to mishandling of glass by people especially staff. Nine panels have broken this year so far of which five broken because of human error and four broken because of impurities.
The maximum number of breakage, 19 incidents, happened in 2015. Of the 19, human error caused 15 breakages. However, the 14 incidents of glass shattering that took place in 2013, the year the terminals were opened, were only because of impurities and not human error.