Complex sentence: About sixty houses received damages due to the construction of the tunnel and an evaluation by the Ministry of Transport and Communications showed NOK 500 million went to fixing the leaks; claiming this to a large extent was unnecessary expenditure due to inefficient engineering procedures.
Split into simpler sentences: About sixty houses received damages due to the construction of the tunnel. An evaluation by the Ministry of Transport and Communications showed NOK 500 million went to fixing the leaks; claiming this to a large extent was unnecessary expenditure due to inefficient engineering procedures.