** GR Engineering Services GNG.AX surges up to 6.91%, scaling a record high of A$5.57
** Construction firm's stock is set for its strongest gain in nearly eight weeks and on track to extend its rally into a fourth straight session
** Co says it has clinched a A$109 million engineering, procurement and construction contract with miner Boab Metals' BML.AX unit for the Sorby Hills Silver-Lead Project in Western Australia
** Scope covers dismantling, refurbishing and relocating the DeGrussa plant to Sorby Hills, where it will be redesigned, rebuilt, and commissioned to meet BML’s specifications - Co
** GNG stands firmly ahead YTD, surging 25.2% in sharp contrast to BML’s 13.4% decline
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))