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With over fifty years of manufacturing experience, UNARCO Material Handling has partnered with the best and brightest companies in nearly every industry. Warehouse storage projects have ranged from the simplest pallet rack layout to the most complex engineered systems of over one million square feet of warehouse space.
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Numbers Speak For Themselves
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Satisfied CustomersGlossary
Automated Storage and Retrieval Systems
A rack structure in which loading and unloading of the racks is accomplished by a stacker crane, or similar vehicle, without the aid of an on-board operator.
Allowable strength
Nominal strength divided by the safety factor
Allowable stress
Allowable strength divided by the appropriate section property, such as section modulus or cross-section area.
Beam
Typically, a horizontal structural member that has the primary function of resisting bending moments.
Beam Locking Device
A pin, bolt, or other mechanism that resists disengagement of the beam connector from the column.
Braced frame
An essentially vertical truss system that provides resistance to lateral forces and provides stability for the structural system.
Photo Gallery
Structural Pallet Rack Platform Support
List of external links
For UP-TO-DATE Topics on Pallet Rack Engineering Visit – UNARCO Engineering Blog
2 Column Link List with Images
Accordions
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Structural Rack Upright Capacities
| Column Size | C3 x 3.5 | C3 x 4.1 | C4 x 4.5 | C4 x 5.4 |
| Shelf Space | 40″ Pan. | 40″ Pan. | 40″ Pan. | 40″ Pan. |
| 36″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 42″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 48″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 54″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 60″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 66″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 66″ | 27,515 | 29,821 | 44,172 | 47,134 |
| 72″ | 27,320 | 28,037 | 44,172 | 47,134 |
| 78″ | 23,940 | 24,400 | 44,172 | 47,134 |
| 84″ | 20,724 | 21,033 | 44,126 | 46,257 |
| 90″ | 18,053 | 18,322 | 40,610 | 42,229 |
| 96″ | 15,867 | 16,103 | 37,162 | 38,328 |
| Column Size | C3 x 3.5 |
| Shelf Space | 40″ Pan. |
| 36″ | 26,848 |
| 42″ | 26,848 |
| 48″ | 26,848 |
| 54″ | 26,848 |
| 60″ | 26,848 |
| 66″ | 26,848 |
| 66″ | 26,848 |
| 72″ | 26,657 |
| 78″ | 23,360 |
| 84″ | 20,222 |
| 90″ | 17,616 |
| 96″ | 15,483 |
Bullet Lists
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Buy Pallet Rack Online
Check Order Status
Seismic Zip Code Search
Upright & Beam Capacities
Tons of Rack Photos
Multi-line
When installing the anchor bolts, the erector should refer to the anchor bolt instructions from the anchor bolt manufacturer to obtain the torque values for the anchors.
The anchor bolt torque is less because over-tightening the anchor bolt will fail the holding device and possibly pull the anchor out of the floor.