Hydrantula PTE Ltd joins IAHR as a new Institute Member!

Hydrantula is a Singapore-based technology company in coastal and marine engineering. It develops a modular permanent-formwork system for building reinforced-concrete structures in the tidal zone and underwater. A lightweight three-dimensional lattice is assembled onshore from high-density polyethylene (HDPE) pipes and proprietary polymer fittings, then installed on the seabed and filled with concrete pumped from the lowest point upward, forming a monolithic frame within the polymer shell. Reinforcement is corrosion-free glass-fibre-reinforced polymer (GFRP), designed for a long service life in aggressive marine environments.

The method places geometry first and material second. This shifts most work onshore and reduces underwater operations, dredging, turbidity, and marine plant time. The open, largely wave-transparent geometry is designed to let wave energy pass through rather than reflect, and to act over time as a substrate for marine colonisation rather than a barrier to it.

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