SUMP SUPPORTED BY A CONCRETE FOUNDATION

摘要

The present invention relates to a collecting well which is installed in the lowest portion of a basement and collects underground water and rain water flowing into a building to be drained to the outside of a building. A collecting well is installed in a foundation concrete portion of a building, and consists of a floor structure, a side wall structure, and an upper structure. A floor load transmission member to transmit a load applied to the floor structure to the foundation concrete is installed in the floor structure.