"The base of the piers supporting the steel cables went three meters deep. Workers had to dig straight down to avoid damaging the roots of the trees. And while digging the holes, we were trying to prop up retaining walls at the same time." It was a very tense situation, similar to the atmosphere when rescue teams were trying to save people in the rubble right after the disaster struck.
以南棟教室的地樁來說，不能使用起重機、怪手，害怕稍一重壓就有毀損，無法挽救，「支撐鋼索的墩柱地基深達 3 公尺，開挖時都是人工垂直向下挖，以免傷及樹根；一邊往下挖，一邊還要作垂直擋牆支撐，」情景宛如災後在廢墟危樓中搶救生還者那樣戰戰兢兢。