Do You Need Engineering Stamps or Load Placards for Your Racking?
When you install pallet racking, you’re not just buying steel — you’re installing a structural system inside your building.
And structural systems are governed by engineering standards, local building codes, and safety regulations.
So the question becomes:
Do you need stamped engineering drawings?
Do you need load capacity placards posted on your racks?
Are either of those legally required — or just “nice to have”?
Here’s how to think about it.
What is an engineering stamp on pallet racking?
An engineering stamp (also called a PE stamp) means a licensed Professional Engineer has reviewed and approved the design of your rack system.
Stamped drawings typically include:
Rack layout and configuration Load capacities (per beam level and per bay) Anchor requirements Seismic design calculations (if applicable) Compliance with local building code
It exceeds certain heights It is anchored to the slab It is located in a seismic zone It supports heavy loads It is part of a new construction or permitted renovation
If your project requires a building permit, there’s a strong chance stamped drawings will be required.
What are load placards on pallet racking?
Load placards are the capacity labels mounted directly to the rack system. They typically display:
- Maximum load per beam level
- Maximum load per bay
- Total unit load limits
- Manufacturer or system type
Maximum load per beam level Maximum load per bay Total unit load limits Manufacturer or system type
They are usually required under OSHA and fire code guidance because they communicate safe capacity to forklift operators and warehouse staff.
In practical terms, placards are your frontline defense against accidental overloading.
If a rack collapses and no placards were posted, liability exposure increases significantly.
When are engineering stamps typically required?
You will likely need stamped drawings if:
You are installing new racking in a new facility You are pulling a building permit Your municipality requires structural review You are in a moderate-to-high seismic zone You are installing structural steel rack (not just light-duty teardrop) You are modifying an existing layout substantially Your insurance carrier requests documentation
Many cities now require stamped drawings even for relatively standard warehouse racking installations.
If you’re unsure, the safest move is to confirm with your local building department before purchasing materials.
When are load placards required?
Load placards are generally expected whenever:
- Racking exceeds 8 feet in height
- The system is industrial (not light-duty shelving)
- Multiple beam levels are installed
- Forklifts are used
- OSHA inspections are possible
Racking exceeds 8 feet in height The system is industrial (not light-duty shelving) Multiple beam levels are installed Forklifts are used OSHA inspections are possible
Even when not explicitly mandated, they are considered a best practice and are extremely inexpensive compared to the risk they mitigate.
If you’re evaluating capacity questions, you may also want to review:
How do seismic zones change the conversation?
If your warehouse is in a seismic region, stamped engineering is far more likely to be required.
Seismic design can affect:
Upright gauge Bracing configuration Anchor size and embedment depth Beam locking mechanisms Base plate requirements
What are the insurance and liability considerations?
Even when your city doesn’t explicitly require stamped drawings, your insurance provider may.
If there’s ever a rack failure:
- Were stamped calculations available?
- Were load placards posted?
- Was the system installed per manufacturer specification?
- Were anchors installed correctly?
What happens if you skip engineering stamps or load placards?
Skipping engineering review can result in:
Permit delays Failed inspections Insurance disputes Increased liability exposure Forced retrofitting
Accidental overloading Operator confusion OSHA citations Increased collapse risk
How do you decide whether you need engineering stamps or load placards?
Are we pulling a building permit? Are we in a seismic zone? Would we be comfortable defending this installation after an accident?
- Are we pulling a building permit?
- Are we in a seismic zone?
- Would we be comfortable defending this installation after an accident?
What is the bottom line on engineering stamps and load placards?
Engineering stamps are often required — and when they aren’t, they are still a risk-management tool.
If you’re planning a new installation or reconfiguration, we can help you determine:
Load placards are a practical safety requirement and should be installed on virtually every industrial rack system.
Whether your municipality requires stamped drawings What seismic rating applies What load placards are appropriate for your configuration How to avoid costly compliance mistakes
Because pallet racking isn’t just storage — it’s structural steel holding thousands of pounds overhead.
Or give us a call at (630) 765-5476.