Gravity Waste or Linen Chutes : An enclosed vertical passageway (riser) in a building, used for transferring trash or linen by gravity to a room at the bottom or to an interface to a compactor
NFPA 82 Standard on Incinerators and Waste and Linen Handling Systems and Equipment, 2004 ed. (Std: Incinerators and Waste and Linen Hndlg Sys and Equip - Amer) {228 NFC}