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Corrosive storage upgrade for Imerys Minerals

Storage upgrade for Imerys Minerals

Firevault for HFL storage removes internal fire risk

Firevault for HFL storage

Firevault Case Study – PCWS Ltd.

pcws logo


Bespoke Firevault enabling safe segregated storage of highly flammable liquids and oxidising chemicals – Lubricants SW Ltd.





96 drum store for corrosives & inks – Colorite Temperature Controlled Warehouse – BASF London Underground


London Underground


London Underground

Park Road, Rickmansworth


Transport Industry

Customer Issue:

London Underground based in Rickmansworth, Hertfordshire approached Chemstore to supply storage for 4 No. sites.

The units would be required to store track maintenance equipment and chemicals on site. The units would be needed at the Rickmansworth, Neasden, Edgware Road and Ruislip London Underground depots.

London Underground needed a storage solution which would enable compliance with HSE & Government legislation for the storage of flammable liquids and Hazardous Chemicals.


Kevin Mitchell, our UK design engineer, helped to develop a design that enabled the client to successfully store highly flammable liquid drums within a Zone I atmosphere. This was achieved by incorporating the following: –

(All electrical items are fully ATEX rated for use within a Zone I flammable atmosphere.)
– Light fittings and switches
– Anti-static management systems
– Forced ventilation units.
– Heaters
– LED Energy saving flood lights
– Fire detection

The Firevault store was manufactured with a fully certified secondary containment bund and certified 90 minute fire rated cladding throughout.

The stores fit for purpose design has ensured the client is now storing its hazardous chemicals in a fully compliant fire rated enclosure. The Firevault design has enabled the customer to reduce risk, liability and downtime in its process.

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Railway Carriage Storage Units – Armorgard Flat Pack FireVault – Technology Supplies Ltd.

As part of the Wall Family Enterprise of companies, Technology Supplies had undertaken a centralisation project for all UK distribution. A new purpose built 78,000 square foot Distribution Centre was manufactured at the existing Technology Supplies site in Shrewsbury. One of the businesses re-locating to Shrewsbury, supplies large amounts of small containers of flammable liquids to educational establishments.

Because of the highly flammable hazards of these products it was extremely important that an efficient method was identified to enable the safe storage and picking of these products. Following lengthy consultations with both insurers and health and safety consultants, a 120-minute fire rated solution was specified as a requirement. Because of the live working environment, various contractors still building the extension, racking being installed and the requirement to situate the solution on a mezzanine floor, a ready-built solution was not feasible.

After initial meetings on site between Chemstore’s site engineer and Technology Supplies’ warehouse and distribution manager, specification ideas for a fully bespoke solution to the flammable storage requirements were drafted over a number of months. Chemstore designed a solution to the issues highlighted above by developing a ‘Flat pack firevault’ which could be delivered to site in palletised form and assembled by a team of fabricators on site in just three days. The firevault is constructed with a certified two-hour fire rating as specified by the client company insurers and health and safety consultants. The unit was also specified with ATEX rated lighting and air extraction.

Client testimonial:
“After consulting with various suppliers, Chemstore was the only company who could provide us with the required solution. They designed a purpose built flat packed unit that could be shipped to us in pieces. This enabled the unit to be lifted up onto our mezzanine floor and assembled in situ. The unit is fitted with extraction and lighting. The end result is that we now have a purpose built Flammable liquid store incorporated into our pick routes which enables us to pick and store these flammables in the most efficient way. From initial consultations through to delivery, installation, testing and sign off, I could not of been more happy with the way in which the whole project went. The project was agreed, delivered and installed exactly as planned and I would not hesitate in recommending Chemstore for their excellent service they have provided to us.” Mat Mitchell, warehouse and distribution manager, Technology Supplies        

Store specification:

5M x 4M flat pack firevault

Overall Dimensions: 5000L x 4000W x 2600H mm.

Storage: Open Plan Internal (as requested) with client’s option to fit existing racking on site.

The images below show the unit being pre-fabricated in the Chemstore manufacturing facility. Images then illustrate the assembly of the custom flat pack firevault in the clients purpose built warehouse in Shrewsbury.

FireVault Warehouse -storage for 384 drums of flammable & corrosive liquids