Architectural plan of proposed hopper and elevator tower at silos in Kairi for Maize Pool Board Manger, F.G. Winzar. Scale 1/8" and 1/2" = 1'. Includes: section of hopper and pit, plan of pit and hopper, elevation of tower, plan of cut off, side elevation of tower and elevator pit, general plan, detail of slide, and section of hopper and schute to pit. Signed: "V.M. Brown. A.R.A.I.A. Architect. Atherton. 3/7/31." The Kairi Maize Silos are the only surviving cluster silo complex on the Atherton Tableland and were heritage listed in 2007.