After construction started, if we can not say its white ant damage and corrosion. Therefore, fields that are set out in the separate categories of quotation. During the field survey for HAGASENAI walls floors, can be inferred to some extent, this is, lets check if there is a possibility of additional work. May occur in addition to the cost of unexpected price quote. During the field investigation, the company is a description of additional work to be expected from the degree of aging and age is true and reliable. I was rotten at the base of the wall and I dismantling. The reality is I need to know to start the construction. Reform in the underwriting around when estimates are difficult to both fall.