INSTALLATION STRUCTURE OF STRUCTURE ON WATERPROOF LAYER, AND METHOD FOR REPAIRING THE WATERPROOF LAYER

摘要

PROBLEM TO BE SOLVED: To provide an installation construction of a structure on a waterproof layer in which the waterproof layer can be repaired without disassembling or removing the structure in repairing the waterproof layer using a waterproof sheet on upper surface of which a permanently provided structure is installed, and its method for repairing the waterproof layer. SOLUTION: An installation construction 1 of a structure on a waterproof layer is permanently provided on an upper surface of the waterproof layer using a waterproof sheet. A sheet 4b for curing the waterproof layer having an edge part wider than the outer circumference of a bottom surface of the structure is interposed between the waterproof layers 4a-4c and the structure, and the structure is installed so that the edge part is projected from the bottom surface of the structure in a condition where the new waterproof sheet 4c is connected after an existing waterproof sheet is cut and removed.