VicRoads (Graeme Newman) / CMPA Technical Committee Meeting (Dr Elizabeth Gibson, CMPA; Mark Wagner, Conundrum Holdings; Craig James, E.B. Mawson & Son; Bill Payne, Quarry Crete), Northern Quarries, at Epping to discuss a number of issues such as proposed changes to the Code of Practice 500.02 and Standard Sections 812 and 815.