Coastal Marina Walkway System
United Kingdom · 2022
FRP marina walkway project overview
This marine case study documents an F1 Composite project in United Kingdom, delivered in 2022. The supplied scope used Molded Grating, Standard Profiles to address the stated project constraints, with the challenge, engineered solution, measured delivery outcomes, and related product paths recorded below.
Project challenge — FRP marina walkway
A major UK marina required replacement of its aging timber and steel walkway infrastructure. The existing materials had deteriorated rapidly due to constant saltwater exposure, requiring annual maintenance and presenting safety hazards. The marina needed a durable, slip-resistant solution that could withstand the harsh coastal environment.
F1 Composite solution — FRP marina walkway
F1 Composite supplied a complete FRP walkway system comprising pultruded structural profiles for the subframe and molded gratings with anti-slip surfaces for the walkway deck. The FRP profiles were designed to resist saltwater corrosion, UV degradation, and biological fouling without protective coatings. The modular design allowed installation in sections during low-tide windows, minimizing disruption to marina operations.
Results and impact — FRP marina walkway
The 500-meter walkway system was installed over a 4-week period. The FRP system eliminated all corrosion-related maintenance requirements and is projected to deliver a 60% reduction in total lifecycle cost compared to the previous steel and timber structure over a 50-year service period.
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