When Do I Need Stamped Drawings for My Pallet Rack System?
When Do I Need Stamped Drawings for My Pallet Rack System?
When Do I Need Stamped Drawings for My Pallet Rack System?
When planning a new rack system, many people focus on buying and installing the equipment but overlook one critical step: engineered drawings. These stamped and sealed plans ensure your system is safe, stable, and code compliant.
Does Your Rack System Need Engineered Drawings?
Short answer: yes. They are not just a formality.
What Is a Stamped (Engineered) Drawing?
A stamped drawing is proof that a licensed engineer has personally designed and approved your rack system. It confirms that your setup meets structural codes, seismic requirements, and national safety standards such as RMI/ANSI MH16.1.
Even if your city does not specifically require them, stamped drawings guarantee that your rack is built correctly, safely, and to last.
Mechanical and Hydraulic VRC's
When Are They Required?
You will usually need stamped drawings if your rack system meets certain height or load thresholds.
You will likely need stamped drawings if your system:
- Is taller than 5–6 feet
- Stores materials higher than 12 feet
- Requires a building permit
These drawings show that key details such as load ratings, beam capacities, and anchoring methods have been reviewed and verified by a professional engineer.
Custom or Modified Rack Systems
If you are mixing different rack types, using pre-owned materials, or creating a custom layout, you will need stamped drawings. Once a system is modified, the manufacturer’s standard design tables no longer apply. A licensed engineer must confirm that it is still safe and structurally sound.
Seismic or High-Risk Areas
In regions with earthquakes, strong winds, heavy snow, or unstable soil, engineered drawings are mandatory. They ensure your rack system can handle environmental stress and remain secure.
Permitted vs. Non-Permitted Projects
Even if your project does not require a permit, engineered drawings are strongly recommended. They help prevent accidents, rack failures, and costly damage, keeping your people and property safe.
In short:
- Permitted projects: Always required
- Tall or heavy racks: Always required
- Custom or modified layouts: Always required
- Seismic or high-risk zones: Always required
- Standard systems: Recommended for peace of mind
Stamped drawings confirm your rack is engineered for your specific use, not just close enough.
The W.W. Cannon Advantage
At W.W. Cannon, we do more than supply racks. We will handle every step of your project. From design and permitting to installation, our team works with licensed engineers to produce detailed, code-compliant engineered drawings. We take care of the details, so your system is safe, approved, and built right the first time.
Contact W.W. Cannon today to get started!
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