Lo Shi-wei of Tung-hai points out that -Guang-Yuan ’ s owner Wu Gen-zong relied on a Japanese reference book about reinforced concrete construction. His team carefully followed all of the book ’ s suggestions, and when they encountered steps that were not covered in the book, they would prudently make the trip to Tai-pei to ask Feng.
東海大學創意設計暨藝術學院院長羅時瑋表示，光源老闆吳艮宗當年憑著日文版清水混凝土參考書土法煉鋼，按照書上指示小心施工，一度碰到書上沒寫的步驟，不敢大意，擲筊問神沒結果之下，專程到台北請示鳳後三，謹慎的態度可見一斑。