在大修之前,首先对御殿的全面情况进行了详细调查,其中包括建筑物情况调查、建筑材料调查、病害的调查和装修情况调查等内容。建筑物情况的调查,包括柱子倾斜,地面高低,架构情况,并对34个重点地方进行了 X线摄影,以充分了解其内部情况。例如通过调查发现在280根柱子中都有不同程度的向北歪斜,其中最大倾斜1.6厘米,分析可能是由南面 Before the major repairs, a detailed survey was conducted on the overall situation of Gotemba, including the investigation of building conditions, investigation of building materials, investigation of diseases, and investigation of renovations. Surveys of the building conditions, including column tilt, ground level, and structural conditions, were performed on 34 key locations to fully understand its internal conditions. For example, it was found through surveys that there were skewed northward inclinations in different degrees in 280 pillars. The maximum tilt was 1.6 cm. The analysis may be from the south.