It is quite a challenge for engineers to carry out detailed inspections of sunshades similar to the one that dislodged on Sunday and carry out any rectification works ("Sunshade dislodged at Tampines block"; Monday, and "HDB to find out if sunshade was installed properly"; Tuesday).

Perhaps the authorities should look into the feasibility of replacing existing concrete sunshades with steel-frame ones.

Steel frames are light and can be installed to the existing structures easily.

With proper maintenance, their lifespan is as good as concrete, and residents will feel more at ease.

Mak Seck Hong