Space Overlapping by Commercial Activity in Vibrant Kampong (Case: Kampong Cikini, Jakarta)

The existence of vibrant public spaces is one of livable and sustainable city criteria. It is important to study how high-density areas in a city provide vibrant spaces such as good atmosphere for economic activities. The research took place in Gang Ampiun - a tight alley of Kampong Cikini, a strategic and tightly-packed settlement in Central Jakarta. There, people tend to use the street area, as an attempt to fulfil spatial needs within a limited space. The aim of this study is to discover how the overlapping happen in slack space and the result of overlapping in shifting or create threshold and boundary. The research is conducted through interviews, mapping, photos, and note-taking for four days using qualitative analytics method. Several aspects were observed, including spatial arrangements of property for commercial purpose, as well as where the seller and buyer activity take place. This study reveals that the alley and gutter are seen as slack space due to the emergence of the private owned property for commercial use. Therefore, it affects accessibility and results in a new or shifting boundary.