** Shares of Aurizon Holdings AZJ.AX rise 1.6% to A$3.11, hit their highest levels since May 5
** The rail freight operator set for its best day since May 28, if gains hold
** Co secures contracts to provide integrated rail, road and port logistics solution for BHP's BHP.AX Copper South Australia operations for a term of up to 15 years
** Says total anticipated revenue over from contracts over initial 10 years is about A$1.5 billion ($973.20 million)
** Stock down ~4% this year, including the day's move
($1 = 1.5413 Australian dollars)
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))