Technical Foundation
What Is a Spill Berm?
A spill berm is a portable secondary containment structure that creates a temporary liquid-tight barrier around drums, totes or equipment, used where a fixed containment pallet or sump isn't practical — refueling operations, temporary staging areas, or spill response. Capacity must meet regulatory secondary containment requirements, typically the greater of 110% of the largest single container's volume or 10% of the total volume of all containers stored within the berm.
Wall material and construction style trade off portability against durability: collapsible fabric berms (PVC or urethane-coated) fold flat for storage and quick deployment in spill response kits, while rigid-wall steel-frame berms with drive-over ramps are built for repeated daily use under vehicle traffic, such as fuel truck loading areas.
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| Spec | What It Means | Why It Matters |
|---|---|---|
| Containment Capacity | Sized to 110% of largest container or 10% of total volume | Meets EPA/SPCC secondary containment requirements for stored liquids |
| Wall Material | PVC, urethane-coated fabric, steel | Chemical compatibility with the contained liquid determines wall material — solvents can degrade PVC |
| Construction Style | Collapsible (foldable) vs. rigid wall with frame | Collapsible suits spill response/temporary use; rigid suits daily repeated deployment |
| Drive-Over Capability | Ramped/reinforced floor rated for vehicle load | Required wherever the berm sits in a vehicle or forklift traffic path |
| Footprint & Wall Height | Sized to drum/IBC count and required freeboard | Must accommodate spacing for container handling equipment inside the berm |
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Applications
Where Spill Berms Get Used
Spill berms are specified anywhere liquid containers need temporary, movable secondary containment rather than a permanent fixed sump or containment pallet.
Fuel & Chemical Transfer Operations
Drive-over spill berms placed under fuel truck loading and transfer points to contain accidental releases.
Spill Response & Emergency Kits
Collapsible fabric berms stored folded in spill response trailers for rapid deployment around a leaking container.
Construction & Remote Job Sites
Portable berms providing temporary SPCC-compliant containment around generators and fuel storage without permanent infrastructure.
Oil & Gas Field Operations
Rigid-wall berms containing drums and totes of drilling fluids and chemicals at wellsite staging areas.
Warehousing & Chemical Distribution
Berms placed around staged IBC totes awaiting transfer or shipment as an added containment layer beyond spill pallets.
Military & Disaster Response
Rapidly deployable collapsible berms used in temporary fuel and hazmat staging in field operations.
FAQ
Spill Berms Questions, Answered
How is spill berm capacity determined for regulatory compliance?
US EPA SPCC rules generally require secondary containment sized to the greater of 110% of the largest single container's volume, or 10% of the combined volume of all containers within the containment area — check your specific facility's SPCC plan and local regulations for the exact requirement that applies.
What's the difference between a collapsible and rigid-wall spill berm?
Collapsible berms use flexible PVC or urethane-coated fabric walls that fold flat for storage, ideal for spill response kits and temporary or infrequent use. Rigid-wall berms use a steel or aluminum frame with a durable liner, built for daily repeated deployment and higher durability under regular use.
Can a spill berm handle vehicle traffic driving over it?
Only drive-over/vehicle-rated berms, which include reinforced ramped edges designed to be driven or rolled over by trucks or forklifts without damaging the wall or floor. A standard containment berm not rated for drive-over use can be damaged or fail under vehicle weight.
What wall material should I use for containing solvents or aggressive chemicals?
Check chemical compatibility charts before selecting — standard PVC can degrade with certain solvents and aggressive chemicals over time, while urethane-coated fabrics or specific chemical-resistant liners are formulated for broader compatibility. When in doubt, confirm compatibility with the manufacturer for your specific contained liquid.
How many drums or totes fit inside a given spill berm size?
Berm footprint (length x width) and wall height determine both how many standard 55-gallon drums or IBC totes fit and whether the resulting containment volume meets your regulatory capacity requirement — manufacturers typically list both footprint and rated containment gallons for each berm size.
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