Inactive Total Small Business Set-Aside (FAR 19.5)

A Tub Grinder is a heavy duty, high-capacity machine designed to grind organic material such as logs, limbs, and brush into mulch or biomass. It features a large, rotating tub that feeds material into... A Tub Grinder is a heavy duty, high-capacity machine designed to grind organic material such as logs, limbs, and brush into mulch or biomass. It features a large, rotating tub that feeds material into a hammer mill or rotorsystem for processing. Tub grinders are widely used in land management for their speed, efficiency, and ability to reduce large volumes of debris on-site, minimizing the need for hauling or burning.