How to improve economy of concrete formwork?

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    Katie Merten

    It is BECAUSE concrete formwork is often reused that the answer is D.  If the contractor were to form out the corner, that would take extra time and forms, and forms they likely could not reuse.  If they were to make the wall the same thickness, the contractor would likely reuse forms from another job to form up the wall.  

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    WEN ZHU

    Katie, thanks for the reply! But how about answer A? Making all columns rectangular also reduce the form work ? It seems they still need another rectangular form work for the right bottom column?

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    Brian Starkey

    There isn't enough information in the question to tell us if A is even feasible structurally, and the question specifically asks about improving the economy of formwork only. 

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