The Bleiswijkse Verlaat is a sluice with point doors between the Rottemeren and the Heulsloot near Bleiswijk. The design of the sluice dates back to 1774. In the Netherlands only three of these are left abandoned.The sluice is completely made of wood. The tropical hardwood Azobé was used for this. The foundation consists of 140 pinewood poles. The new timber construction, like the original sluice construction, is provided with traditional joints with a pin and a hole and with forged nails, according to the eighteenth-century model.The sluice is 32 meters long and 3 meters deep. The wooden yoke construction is actually the skeleton, which provides the sluice with strength and keeps the wooden walls in place on both sides. Wooden point doors are incorporated in the sluice on both sides. The threshold depth is 1.20 meters below the bottom level of the Rotte on one side of the sluice and the Heulsloot on the polder side.

圖片編號： 115755927
拍攝者： Tonsnijders