Warehouse Storage Systems -The Pros and Cons of Pallet Racks, Mezzanines and ASRS

The technology that is associated with warehousethat are high above the ground.
storage systems has improved dramatically in the lastThe mezzanine storage system is a less expensive
few years. There are now automated warehousemethod to make the best use of available
management systems (WMS) and robot forklifts thatwarehouse space. It is typically a structure that is
are guided by laser lights. There are numerous typesconstructed between the main floors to store
of storage options that are better designed to notadditional supplies or equipment. It is less expensive
only improve space utilization but also efficiency.than other systems and can be moved from location
Pallet racking is a technique that utilizes racks so thatto location.
goods can be stored in multiple levels above theThe mezzanine storage system is best used in
ground therefore making better use of the availableconditions where there is not an excessive amount
space. Instead of being limited to the storage of justof product to warehouse. In a large scale operation,
one pallet, the racking systems allows for stacking ofthis would not be the optimum method to employ.
up to four or five levels, increasing space utilizationHowever, the cost is lower than that of other
many times over.systems.
There are various adaptations of the racking system.ASRS - Automated Storage and Retrieval Systems is
Total cost is dependent on the upgrades selected.a fairly recent system introduced for warehouse
Generally, the pallet rack system ranks in the middlestorage. This is a complex system that utilizes
of the road in terms of cost; it is not the mostcomputers to store and recall materials by storage
expensive nor is it the cheapest. This system is anlocation. Floor space is maximized because there is
excellent method to store goods and with a rollernot a height constraint by the fork lift operator.
scheme included, the pallets can easily be moved inThe ASRS system is extremely adaptable and can
and out in either direction. There are also excellentbe used to warehouse both large and small products.
racking systems for storing heavy materials.There is significant savings because the system is
The pallet rack is clean, efficient and requires littleautomated and requires less man power. In spite of
maintenance. Because it is sturdy and re-usable, it canthe smaller man power requirement, this system is
be moved from location to location. Used ormore expensive to install than either the mezzanine
refurbished pallet racking can be purchased to cutsystem or the pallet system, plus there are high
down on costs.maintenance expenses connected to the ASRS
There are two disadvantages to the pallet rackoperation.
system. Because all materials that are being storedSpace, labor, and product damage are expensive
must be on pallets to be moveable, a substantialcomponents to a warehouse operation. Fortunately,
inventory of pallets is required. The otherthere are many effective and cost reducing storage
disadvantage is that in order to fully utilize thesystems that are available which can be tailored to
system, fork lift trucks must be able to reach palletsspecific needs.