
Innovative FlexBeam bridge scaffold
FlexBeam, the highly versatile support beam from Layher, was used by TPL Access to provide an innovative access solution on the Tomarata Bridge project.
Reinforced concrete bridge
Tomarata Bridge, located in Mangawhai Northland, was built of reinforced concrete in the 1950s. Recent condition assessments of the bridge found that the concrete was degrading due to corrosion. Reinforcing steel inside the concrete was also deteriorating and weakening the bridge.

Birdge underside access
TPL Access were contracted to provide access to the underside of the bridge. The scaffold enabled repair work on the damaged concrete using hydro-demolition. Furthermore, the contract specified the bridge should remain open for vehicle and pedestrian access during the 6 month maintenance project.

FlexBeams are a great product
Nick McMaster of TPL Access said “Layher FlexBeams are a great product! They were easy to install and seamlessly integrated with our existing Layher Allround scaffolding. Ultimately the FlexBeams were more than capable of transferring lateral loads without tube and coupler plan bracing, meaning less components were used, and we saved a lot on labour costs.”
Scaffold decks remained secure
Nick continued “The scaffold working platform, located 2 metres below the bridge, measured 40 metres long by 12 metres wide. Locking devices on the FlexBeams ensured the scaffold decks remained secure during high tide of the flowing estuary.”

3D models of scaffolding
“Istvan Rada from Layher’s engineering team was a great help, even with our client changing the design multiple times. Layher’s 3D models of the finished design were submitted during the tender process and gave the client virtual views of exactly how the scaffold working platform would fit under the bridge.” commented Nick.
Thank you to Nick McMaster of TPL Access for the use of these photos.
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Contact
Nick McMaster
Company
Location
Website
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Components
Layher FlexBeam
Layher Allround Scaffolding
Layher Design and Engineering SupportComments
Layher’s engineering team was a great help, even with our client changing the design multiple times.
Nick McMaster, TPL Access
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