The "Temporary Closure LPF Method" is a construction method for creating temporary closures for underwater structures such as rivers, seas, and dams using liner plates. The Temporary Closure LPF Method contributes to shortening construction periods and securing holidays through the following means: - Reducing the production of custom components for each pier - Selecting the optimal shape based on site conditions It can be implemented using manual labor alone and is feasible in environments with a headroom restriction of approximately 1.0 meters or less. *Please refer to the case studies that showcase the construction achievements of the "Temporary Closure LPF Method." 【Features】 ■ Composed of liner plates, H-beams (reinforcement rings), and supports ■ Assembled in a cylindrical shape above the water surface and installed underwater ■ Construction is possible with a headroom restriction of approximately 1.0 meters! *Achievement at 1.2 meters ■ Vibration-free construction is possible in narrow areas!