The Wongawilli system involves much larger blocks of up to 200 m wide. It consists of a 2 or 3 heading entry headings driven through the centre of the panels, splitting the panel into two smaller panels. The panel can be up to 1000 m long. Lifting of the fenders […]

Rules and Procedures for BLS operation Only the miner driver and one other workman shall stand between the miner & the BLS’s position whilst the lift is being taken. Only one BLS to be lowered and moved at any one time. Always lower the rear legs first to allow any […]