Q: Given a sentence in the Japanese, provide an equivalent translation in Filipino that retains the same meaning through the translation. In translation, keep numbers as it is.
この午後より前に行った測量ではそれが安全だと判断されていた。
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Maaga ng hapong iyon, ginawa ang pagsukat para malaman ang kanyang katatagan.