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Air Portable Ferry Bridge by WFEL

Companies & Organizations:

United Kingdom of Great Britain and Northern Ireland

WFEL Ltd
Sir Richard Fairey Road, Heaton Chapel
Stockport Cheshire SK4 5DY


 

The Air Portable Ferry Bridge (APFB) is an evolution of WFEL’s classic, battle proven Medium Girder Bridge (MGB) system with a range of applications for military and disaster and emergency relief operations. First deployed in 2006 by the British Army, the APFB was designed to meet the needs of their light forces in roles that increasingly demanded mobility and flexibility. Despite its lightweight and portable nature the APFB has a military load classification (MLC) of 35 for carrying tracked or wheeled vehicles.

 

In simple terms the APFB is a ‘golf bag’ of equipment from which parts are selected for the role required, whether bridging wet or dry gaps or use as a ferry. The APFB is a modular system that can be easily transported by land, sea or air using its own fold-away trailers, pallets or ISO containers. APFBs can be carried by C130 aircraft, under-slung as helicopter loads or dropped by air on Medium Stress Platforms (MSPs). They can also be transported by standard light vehicles, trucks and SUVs in both military and civilian applications. The APFB can be assembled easily by troops or trained civilians making it ideally suited for use in expeditionary, emergency and disaster relief operations conducted by fly forward forces.

 

APFB Ferry

 

In this role the APFB is a free ranging roll on/roll off ferry with a MLC rating of 35. It consists of a modular bridge, with hinged landing bays at each end, mounted across six pontoons. The bridge structure is secured on the pontoons by pier saddles. Two of the pontoons are fitted with diesel powered propulsion units making the ferry highly manoeuvrable.

 

 

Features

 

Each pontoon includes a self-bailing system that allows any water inside to drain away automatically.

The hydraulics used to raise and lower the landing bays are powered by the diesel engines.

A pontoon walkway allows the crew to move freely when the ferry is carrying large loads.

The ferry can operate in 0.8 metres of water.

It can be constructed with a maximum water speed of 2.5 metres per second.

The ferry has an operating speed of 3.5 metres per second unloaded and 2.5 metres per second when loaded.

 

 

Deployment and recovery

The APFB Ferry’s six pontoons are stackable (nested) and are carried on two dedicated DROPS flatracks with one powered and two standard pontoons per vehicle. A built-in release system launches the pontoons sequentially into the water. An integrated winch system within each DROPS flatrack recovers each pontoon after use.

 

 

APFB Fly Forward

 

The APFB Fly Forward spans gaps up to 14.5 metres at MLC 35 and is ideally suited to light, fly forward and expeditionary forces. In the Fly Forward role the bridge sections and launching equipment are transported on no more than six trailers, each towable by standard light vehicles. Four of the specially designed trailers, when folded, can be carried on a single DROPS Flatrack. All APFB Fly Forward components have been designed to be lightweight and fit into the available trailer space including a newly designed three-piece bankseat beam, two-piece roller beam and the approach ramps. The APFB Fly Forward consists of two girders made up of top panels pinned end-to-end which are spaced and supported at each end of the bridge by bankseat beams. Approach ramps are fitted at each end followed by transverse deck units that fill the gap between the girders and, with kerbs added, a roadway of four metres is created.

 

 

 

The APFB Overbridge

When traditional bridging infrastructure has been damaged or is no longer capable of carrying heavy traffic an Overbridge can be deployed allowing both civilian and military traffic to cross. The inclusion of wedges in key sections of the bridge ensures that the Overbridge is raised sufficiently so as not to damage the existing bridge structure. As with the Fly Forward, the Overbridge spans gaps of up to 14.5 metres at MLC 35 and is particularly suited to deployment by light and fly forward units.

 

APFB Reinforced

 

Introducing a Link Reinforcement Set to the APFB Fly Forward design allows its load capacity of MLC 35 to be maintained over gaps of up to 29.2 metres. The Link Reinforcement Set consists of an adjustable kingpost with both anchor and tension links, which are used in addition to the standard reinforcement links, pins and tensioning assemblies taken from the world renowned Medium Girder Bridge (MGB). The APFB Reinforced can be built while the reinforcement set is in contact with flowing water. By introducing bridge launch and recovery ramps and rollers deployment is also faster than traditional building methods.

 

 

Safety features

APFB Reinforced also features a new modular fall arrest system that eliminates the risk of crew falling during construction. Operators wear safety harnesses attached by retractable lanyards to two lines suspended from each girder

 

 

APFB Fly Forward

APFB Overbridge

 

APFB

Reinforced

 

APFB Ferry

Includes 6 pontoons of which 2 are powered

 

Maximum Gap

 

14.5m

 

14.5m length

29.2m

 

Free ranging

 

Width

 

4m

 

4m

 

4m

 

4m

 

Military Load Classification

 

35

 

35

 

35

 

35

 

Build Crew

 

1 NCO + 12

1 NCO + 12

 

1 NCO + 24

 

1 NCO + 24

 

Build Time

 

50 minutes

 

50 minutes

 

120 minutes

 

120 minutes

 

 

 

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Defense Products & Services: Air Portable Ferry Bridge by WFEL
Companies & Organizations: 
Defense Products & Services Sectors: Bridges, tactical floating
Description: Air Portable Ferry Bridge by WFEL
Source of Information: WFEL Ltd