This project shows how a 20ft spill-containment container, EI60 insulation, ventilation and ATEX Zone 2 electrical equipment can provide movable temporary storage for hazardous materials while helping prevent leaks from reaching the environment.
Specifications chart
| Area | Europe |
| Container type | 1 × 20ft CSC spill-containment container |
| Challenge | Provide weather-resistant temporary storage for hazardous materials, contain possible liquid leaks and safely integrate electrical equipment for a potentially explosive atmosphere. |
| Solution | A 20ft container with an approximately 1,250-litre spill-containment sump, removable forklift-rated floor grating, EI60 insulation, additional ventilation and ATEX Zone 2 electrical equipment. |
| Sector | Industry |
| Production | EU |
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What we designed and built
The client needed a movable space for the temporary storage of materials classified as hazardous. The solution had to provide sufficient ventilation, contain possible leaks and accommodate electrical equipment suitable for an environment where an explosive atmosphere could occur.
A new dark grey 20ft CSC spill-containment container in RAL 7016 was selected as the base. Its weather-resistant Corten steel structure provides a robust enclosure for outdoor use and allows the storage unit to be moved when operational requirements change.
Spill containment and floor structure
An integrated sump beneath the floor can hold approximately 1,250 litres of liquid. This helps prevent possible container leaks from being absorbed into the surrounding ground.
A removable galvanized steel grating was installed above the sump using bolted connections. The floor structure was designed to withstand forklift traffic, allowing materials to be moved directly into and out of the container.
Fire protection, ventilation and ATEX equipment
The container was insulated with EI60 fire-rated sandwich panels. Two ventilation valves were added to provide additional airflow for the stored materials.
The electrical system was equipped with components intended for ATEX Zone 2 areas. The main distribution board with residual-current protection was installed outside the container. Inside, the equipment includes an ATEX Zone 2 LED light, heater and thermostat.
Custom-sized steel shelving was also installed to organise the stored materials and make efficient use of the available interior space.
Highlights of this build
New 20ft CSC spill-containment container
Exterior colour RAL 7016 dark grey
Approximately 1,250-litre spill-containment sump
Removable galvanized steel floor grating
Floor structure designed to withstand forklift traffic
EI60 fire-rated sandwich-panel insulation
Two ventilation valves
ATEX Zone 2 electrical equipment
External electrical distribution board
Residual-current protection
ATEX Zone 2 LED light
ATEX Zone 2 heater and thermostat
Custom-sized steel shelving
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