Help! They’re is one question in Ballast practice questions as below . I believe reusing formwork is the way to make it so I think answer A is the right one cuz the rectangular column at grid B& grid 2 is the only irregular one. But Ballast answer is D and its explanation is all about how to reduce the amount of concrete used in the construction. Am I the only one who thinks it’s a “formwork” question?
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