DEVICE AND METHOD FOR ARRANGING A LAYER OF MATERIAL OF PREDETERMINED HEIGHT LEVEL ON AN UNDERWATER BOTTOM

摘要

The invention relates to a device for arranging material on an underwater bottom. The device comprises a bearing frame; buoyancy regulating means configured to carry the bearing frame under water; support means configured to position the bearing frame on an underwater bottom; a throughfeed unit for the material with an inlet for receiving the material and an outlet for depositing the material onto the underwater bottom; and positioning means configured to move the outlet of the throughfeed unit of the bearing frame placed on the underwater bottom relative to the underwater bottom. The invention likewise relates to an assembly of the device and a floating structure which is provided with feed means which are configured to carry the material for arranging on the underwater bottom to the inlet of the throughfeed unit, and a method for arranging material on an underwater bottom making use of the invented device.