Civil and mining contractor Brierty has today reported a 52 per cent drop in its first-half net profit as Fleetwood Corporation managing director Bob McKinnon prepares to take over from Harvey Collins when he steps down from Brierty's board.

Civil and mining contractor Brierty has today reported a 52 per cent drop in its first-half net profit as Fleetwood Corporation managing director Bob McKinnon prepares to take over from Harvey Collins when he steps down from Brierty's board.