UNDERWATER CONTAMINATED WATER DIFFUSION PREVENTING DEVICE

摘要

PROBLEM TO BE SOLVED: To facilitate the work for providing connectors for connecting a contaminated water diffusion preventing film in a bank side of a reclaimed land and the work for eliminating the connectors, and to more securely hold the diffusion preventing film connected to the bank side connectors at the predetermined position underwater to more securely prevent the diffusion of the contaminated water. SOLUTION: This diffusion preventing device 3 is provided with a contaminated water diffusion preventing film 4 to be stretched underwater along a direction A in the horizontal direction and the vertical direction and connectors 8 for connecting both A-directional connecting ends of the diffusion preventing film 4 to a bank side 7. The connector 8 is provided with a flexible container 13 possible to be filled with the water 12 for housing inside thereof and possible to be placed in the top surface of the bank side 7 in the condition that the container 13 houses the water 12.