Situated in Melbourne's northern suburbs, JLM is a VEDN accredited civil contractor specialising in rock drilling. JLM's crew of experienced tradespeople, supported by our engineering team, have a range of capabilities including:• Directional drilling in all types of conditions including rock, mudstone, clay and sand• Sewer and stormwater bores on grade• Non-destructive digging (NDD)• Mechanical excavation• Pipe installation• Installation of manholes and pits (precast and in situ)• VEDN accredited installation and audits