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F900 Load Rated GRP Composite Access Covers

Posted: Thursday 13th March 2014

Fibrelite can now provide the perfect lightweight alternative to traditionally used heavy concrete and metal access covers for areas imposing particularly high wheel loads such as aircraft pavements, taxiways of civil airports and dockyards.

The benefit of using a retrofit system is that costly and time consuming installation is eliminated. There are no break outs of existing structures and no curing time resetting structures into concrete. In critical high trafficked areas this is a major advantage.

"Having re-configured the internal fibreglass architecture we can meet the permanent set and test load requirements of BS EN 124, Class F900 (when tested in accordance with the Air BP test footprint) explains David Holmes, Fibrelite's Technical Director and Head of Product Development.

The request for Fibrelite to provide F900 heavy duty trench covers initially came from a large dockyard in the South-East of England. Their work inspectors were exploring replacement options for extremely heavy and corroding steel covers that had been installed years earlier, these extremely heavy covers required a crane and dedicated lifting equipment, which incurred a financial cost with equipment and manpower to lift the covers every time the ships come into dock.

“These highly engineered composite trench covers have eliminated costly and time consuming procedures, as well as allowing for a load rating of up to 90 tonnes. The associated increase in productivity and significant reduction in costs were huge benefactors for the consulting engineers and customers alike” explains David Holmes.

Ideal for Ports, Dockyards, Power Plants and Airports

These lightweight composite access covers can be used for a multitude of applications: from ports and dockyards, industrial facilities, airports, HGV loading areas and also power stations for example. No other covering system matches its easy lift, skid resistant or load carrying properties.

Lightweight, Strong and Safe

The Fibrelite manufacturing process uses multi-axial E glass fibre and a specially formulated resin matrix. The basic principle of this methodology is to dissipate load in the most effective way possible - something in which Fibrelite surpasses all competition.

By using lighter materials, operational injuries are prevented; the worksite is made safer and easier for installation.

The Benefits of using Glass Reinforced Fibre (GRP) Access Covers

• Load ratings from 15 to 90 tons (BS EN 124)

• Wide range of sizes, colours and shapes

• Lightweight - no lifting injuries (ergonomic removal and replacement with lifting handle)

• Will not corrode, crumble or crack

• Sealed manhole covers are water and odour tight

• Anti-slip surface and anti-static

• Incredibly durable monolithic structure will not delaminate

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August 2021

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