DVW vraagt WL om het huidige vispassage ontwerp aan te passen op basis van de resultaten voor het algemene ontwerp van de vispassages op de Dender (zie rapport WL14-128-2). Dit betekent dat de vispassage wordt omgevormd naar een bekkenpassage met slotwanden, de toepassing van een toegevoegd debiet en een parallelle monding. Daarnaast wordt een monitoringszone en afsluitconstructie ingepast. Vanuit de omgevingsvergunning dient de aanblik van de vispassage wel zo dicht mogelijk bij het oorspronkelijke nevengeul ontwerp te blijven.
Deze hydraulische studie wordt uitgevoerd met bestaande rekenmethodes zoals ook toegepast op de andere locaties langs de Dender. De ruimtelijke inpassing van het hydraulisch ontwerp wordt uitgevoerd in Autocad. Tussentijds is er overleg met DVW en een studiebureau die het bouwkundig ontwerp zal uitwerken op basis van het hydraulisch ontwerp. Voor de uitwerking van het hydraulisch ontwerp werkt WL ook nauw samen met INBO.
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