If you’re fairly experienced with forklifts, then you may have learned about the common problems, but still don’t know how to fix them. Therefore, an additional rule is applied, which specifies that a 19.7 inch clearance will be the minimum passing height, either with the mast retracted and unloaded or loaded and vertically exceeding the retracted mast.įor more information about this design, refer to standards EN15512 and EN15620.If you’re new to the trade of driving forklifts, then you may not yet have encountered all of the common problems that plague the machine. Since they are tunnels, there will inevitably be upper elements that can also be struck if planning is inadequate. In terms of the width of the tunnels, the same measures apply as the ones for aisles. When underpasses are used by forklifts, there must be parallel but separate passageways reserved solely for pedestrians. The same rule applies to two-way aisles, but the space added to the dimensions of the largest-sized loads must be at least 35.4 in. If pedestrians must also use these aisles, a minimum width of 3.3 ft must be retained and reserved for pedestrians only. The width of one-way aisles must be no less than either the forklifts or vehicles moving in them or the largest-sized loads plus at least 23.6 in, except when using turret type trucks. The dimensions of the working aisles must be established based on the largest forklift that will move along them and the likelihood of people passing by. If upper transverse beams are used in the aisles, they must be located in the upper part so the clearance or vertical distance between them and the load or mast of the handling equipment is at least 5.9 inches. These extensions can be provided by using structural accessories suitable for this purpose. In the technical notes, it specifies that the external side frames must extend at least 19" above the top load level and 3.9 inches above the internal ones. The measurements set out in this article are those in force in Spain, as set out in the technical safety note number 852 concerning storage on metal racking units. These standards have been developed to guarantee the safety of maneuvers carried out with forklifts when these do not have guides inside the aisles.Įach country may have its own standards related to the issues written about here, which must be taken into account. This is not the only safety measure to be met when planning aisles in a warehouse: it is just one of a number of specific standards that define the characteristics the installation in question must possess. Clearances in the aisles where forklifts moveĪs mentioned earlier in the article, one must consider the height data of the forklift’s mast when retracted to ensure a suitable aisle height through which the forklift is going to move under load levels or other structures, such as mezzanine floors. *The amounts in the table represent clearances that must be left in feet for selective pallet racks as per the forklift type.
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