** Shares of SRG Global SRG.AX rise as much as 7.5% to A$2.87, its largest intraday percent gain since October 14

** Stock hits its highest level since October 28

** Diversified infrastructure services provider says it has secured contracts worth A$650 million ($420.29 million) across sectors in Australia and New Zealand

** Co says agreements include deals with Fortescue FMG.AX, Wesfarmers WES.AX and Lendlease LLC.AX among other firms

** Stock doubles in value YTD, including the day's moves

($1 = 1.5466 Australian dollars)

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))