The union movement may ban clear-felling of forest around the Sabine Falls in Victoria's Otway Ranges.The Trades Hall Council is due to decide its position at a meeting tomorrow morning but it is believed the State Government will be called on to take the falls off the logging schedule.The meeting follows confirmation this week by Australian Conservation and Environment Minister Sherryl Garbutt that 77 hectares of forest by the 130-metre Sabine Falls will be clear-felled this summer.