** Shares of SRG Global SRG.AX rise as much as 10.8% to a record high of A$1.75
* The Australia-based diversified infrastructure services company secures contracts worth A$850 million ($551.74 million) across diverse sectors in Australia and New Zealand
** The agreements include deals with Origin Energy ORG.AX, South32 S32.AX, BHP Iron Ore and Genesis Minerals GMD.AX, says co
** Stock up 14.1% this year, as of last close
($1 = 1.5406 Australian dollars)
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com;))