Author(s)

N. Ravlic, G Gjetvaj & V. Androdcec

Abstract

Split submarine outfall impact assessment and pollutant transport modelling N. Ravlic*, G.Gjetvaf, V.Androcec^ * Civil Engineering Institute of Croatia Regional Unit in Rijeka, Croatia. ''Faculty of Civil Engineering, University of Zagreb, Croatia. Abstract Split (Southern Croatia) submarine outfall, whose construction will begin in September 2001, represents a key disposal facility of centralized Split/Solin Northern Basin sewerage system, which drains the area with some 60.000 inhabitants. Construction of this outfall will enable all preliminarly treated communal wastewater to be discharged into the Brae channel via 2,750 m long HDPE pipeline, ending up at a depth of 36 m. In order to check the consequences of various discharge scenarios, the outfall operation impact has been preliminarly tested by means of 3-D mathematical and hydraulic model. Performed tests confirm that the submerged morphological barrier, located westward to the planned outfall diffuser section location, con

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