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Substation, Germany

Fibrelite trench covers installed over cable chamber in German substation

Fibrelite trench covers have replaced integrated steel and concrete panel providing a protective covering for a cable chamber at a German substation.

The facility employs maintenance operatives who need to regularly lift the trench covers in order to make checks and repairs to the cabling. However, the previously installed covers weren’t easy to open because each one weighed around 200 kg!

The composite solution

Although the client had to make some adjustments to the existing rebate, Fibrelite’s FRP GRP composite, light-duty trench covers proved to have a number of advantages over traditional materials. Firstly, the covers are lightweight – typically a third of the weight of an equivalent-size metal or concrete cover – and can be lifted by workers using the Fibrelite specialist lifting handles instead of specialist lifting equipment.

In addition, the ergonomically designed lifting handle has the added benefit of eliminating the risk of back injury and crushed fingers for operatives.

Independent wet and dry tests carried out by Devon CC Materials Laboratory showed that Fibrelite manhole and trench covers – even when wet – have anti-slip/skid properties far exceeding health and safety advisory limits.

The original steel and concrete covers with a depth of 17cm
Covers can be molded moulded with custom logos

The maintenance-free solution

Fibrelite’s composite covers are available in a wide range of sizes, colours and load ratings.

They are maintenance-free, durable and very strong as a matter of course.

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