The projects studied are:
a) The management of the Soures torrent from the convergence of the diversion into the Sarantapotamos torrent to the convergence of the diversion of the Agia Ekaterini flume, totalling approximately 3,900 m in length;
b) the diversion of the Agia Ekaterini flume from its entrance at the extension of the Mandra urban area to its convergence with the Soures torrent, totalling approximately 1,500 m in length;
c) the extension of the pipe of the Koropouli flume by750 m;
d) the management of the Agios Ioannis torrent for a segment totalling 6,270m in length, i.e. from the area below the Elefsina-Spata freeway to its outfall, through a diversion (approximately 1,500m in length) to the Sarantapotamos torrent;
e) the management of two secondary branches, D (approximately 600 m in length) and E (approximately 850 m in length).