can someone tell me WTF is this for?

[red amoeba]

pass by this building many times kept wondering WTF it is...not on Google Map until i see closely:
what the fuck is an incinerator doing there? Burn what sia?

 

[laksaboy]

Probably for burning classified exam papers.

https://goodmorningyesterday.blogspot.com/2008/11/schools-tiong-bahru.html

 

[Loofydralb]

Long ago I think one of the buildings had an incinerator which require its own substation.
So it's a legacy building but the transformer being used for supplying power to new buildings.