Double deep selective rack goes one step further to maximize pallet storage while remaining a very basic rack configuration. Selectivity will suffer, as this is now a First-In Last-Out (FILO) inventory system. While this system improves your storage to aisle space ratio it requires a little more sophisticated fork truck and operator to place the rear load properly.
Similar to selective rack, the pallet load is placed directly on the front and rear beams to distribute the load. Unlike selective rack, cross bars, pallet supports or continuous pallet supports are required to assist and make sure the pallets are properly loaded
Things to consider when specifying double deep selective rack systems:
- Beam Length – To calculate your beam length take the pallet width plus 4″ for the right plus 4″ for the left multiplied by 1, 2 or 3 based on 1 wide, 2 wide or 3 wide applications respectively.
- Upright Depth – to calculate upright depth take the pallet depth minus 2″ for front overhang and 2″ for rear overhang. For a standard 48″ deep pallet, use a 44″ deep upright (48 – 2 – 2 = 44)
- Beam Levels – the first beam level will be pallet load height plus 6″ plus beam height. The subsequent levels are calculated by adding the pallet load height plus 6″ plus beam height to the previous beam level.
- Pallet Dimensions (width, depth, height and weight)
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