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Indonesia develops stronger sea breakwaters to protect coastal areas

The Center for Port Infrastructure Technology and Coastal Dynamics at the Indonesian National Research and Innovation Agency (BRIN) has developed a sea breakwater called BPPT-lock to protect coastal areas from abrasion. (The Indonesian Agency for the Assessment and Application of Technology-BPPT)

Jakarta (Indonesia Window) – The Center for Port Infrastructure Technology and Coastal Dynamics at the Indonesian National Research and Innovation Agency (BRIN) has developed a sea breakwater called BPPT-lock to protect coastal areas from abrasion.

BPPT-lock has been installed in the Steam Power Plant (PLTU) area in Pacitan district, East Java province, according to the head of the center, Widjo Kongko, on Monday (Nov. 8).

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Meanwhile, other BPPT-locks are under construction at the Sanur seaport in Bali, and at the Tuban TPPI (Trans-Pacific Petrochemical Indotama) refinery area in East Java province.

BPPT-lock is a form of layered unit to protect such infrastructures as ports, tourist attractions, and settlements, in coastal areas.

BPPT-lock has superior hydraulic stability and strong structure, with easy installation because it can be installed regularly and randomly.

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In addition, the need for concrete materials to build BPPT-lock is less than other protective layer units as the number of units per unit area of ​​the structure is less with smaller dimension.

The BPPT-lock is installed in a protected layer unit at the beach or port with a unit weight that is adjusted to the design wave. Due to its weight and jointly interlocking, BPPT-lock is able to withstand or break wave energy.

Widjo explained that the installation of BPPT-lock on beaches or ports needs to be preceded by detailed studies, including hydro-oceanographic surveys, bathymetric surveys, site plan investigation, and harbor or coastal protection designs.

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Reporting by Indonesia Window

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