Velletri (RM) – Construction of a telephone exchange and a network operation centre ... 09 January, 1991
Rome (RM) – Comitato Olimpico Nazionale Italiano (C.O.N.I.) – Sporting Centre G. Onesti – Reconstruction of the roof of the swimming pool of the Italian Swimming Federation (F.I.N.) 10 January, 1989
Rome (RM) – Olympic Stadium – Alteration of the first rows of seats of the Monte Mario and Tevere Stands 22 January, 1985
