These six 21’ diameter (6.4m), 62’9” tall (19.12m) 2112SHBTZ4 SCAFCO Grain Systems Company hopper bottom silos were designed to withstand the treacherous earthquakes of seismic zone 4. Each silo contains approximately 200 metric tons (14,033 bushels) of parchment coffee, which provides this Colombian producer with a total storage capacity of 1,200 metric tons (84,198 bushels).