Constructing structure frame of underground parking lot with PC (Precast Concrete) is a method installing factory made columns, girders and slabs on the sites. After installing members, place concrete to the joint parts and on the slabs

Simplified design and reduced quantity by arranging girders in one way

Enables to keep the site clean and eco-friendly, and reduction in the construction period by assembly engineering method

Reduced cross section size and cracks on girders by applying Pre-Stress

Maximized the interior space (facility and others) by enabling long span structure