This is the most common method of pillar mining. Figure opposite shows a typical split and lift method of pillar extraction. The pillars are usually square or rectangular with dimensions dependent on the depth of working. Typically a pillar dimension of 45 x 45 meter is used at depth of around 450 m. Basically the pillars defined by the first working are split into sub-pillars and the fenders are then lifted (mined). The width of the lift is governed by the length of the continuous miner, roof conditions and support rules of the individual mine. Generally the split is supported by roof bolts or other means of lining, depending on the timing of the mining. Throughout the seventies and eighties, roof bolting and W-straps were supplemented with timber props and bars. The lifting operation took place usually towards the goaf side with the pillar, with the basic philosophy of working adjacent to a competent rib.  However, in mines with competent roof conditions, lifting from both sides of the split was possible, and with the approval of mine inspectorate. 

When extracting on both left and right, pillars up to four meters in width were left in the fenders to provide temporary support.

However, the current system of splitting with mobile breaker line supports, lifting from both sides of the split is standard practice.

A small stook (support Buttress) of coal seam ( min width 2.0m) is normally left to control caving, particularly on the goaf side.   In the situation of extracting the last pillar surrounded by goaf on three sides, special support rules are implemented (Click Figure), resulting to partial extraction of the fender.