This document provides measurements and calculations for renovating a two-story classroom building. For the first floor, it lists the dimensions and areas of various wall sections and openings, totaling 341 square meters. It also lists the dimensions and areas for pillars and joints, totaling 91.5 square meters. The calculations then determine the total wall area on one side as 249.51 square meters and both sides as 499.01 square meters. Similarly for the second floor, it lists the total wall area as 677.31 square meters and total area for both floors as 1,176.32 square meters.