DRAIN BOARD FOR BASE FLOOR OF CONSTRUCTION

摘要

PURPOSE: A drain board for the base floor of a building is provided to facilitate to construct by assembling and arranging a drain board by pieces on the surface of a concrete foundation which consists of the lowermost floor of a building. CONSTITUTION: A drain board(10) comprises a body board(11), a side support(12), a center support(13), a side reinforcement body(14), a center reinforcement body(15), and a horizontal alignment metal pin(17). The side and center supports are integrally formed in the lower center and every lower corners of the body board and adhere to the surface of a concrete foundation(32). The side reinforcement body is integrally formed at every side in the lower surface of the body board and integrally connects each side support. The center reinforcement body is integrally and diagonally formed in the lower side of the body board and integrally connects each side and center support. The horizontal alignment metal pin is inserted into a height adjustment groove(16) formed in the lower side of the side and center supports for adjusting the horizontal state of each drain board.