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The rapid urbanization of Greater Jakarta has resulted in the existence of slum areas. Some of them were inhabited along the riverside and were purged by the Governments in order to prevent a flood. Residents of the settlements were then relocated to the high-rise low-cost public housing named Rusunawa Jatinegara Barat. Literature and previous studies have stated that high-rise settlements pose problems for its residents, and social interaction was one of them. Physical factor also plays an essential role in this problem. For example, the social interaction of upper-floor residents might be different compared to that of lower-floor residents. This research aims to study changes after relocation and the pattern difference of social interaction between upper-and lower-residents. The research will be done through quantitative analysis using Wilcoxon test to show the significant changes after relocation and later a Chi-square test in order to see whether there were any significant differences in terms of social interaction between the upper-floor and lower-floor residents. From this study, first, it was discovered that in the case of Rusunawa Jatinegara Barat, the frequency of visiting neighbors was the most significant change after the relocation. Second, there were several significant pattern differences in social interaction between upper-and lower-floor residents including the frequency of having interaction, the location of where residents spend their free time and have social interaction, and perception of the number of friends.

In recent years, Urban population density spreads towards suburbs of the metropolitan city as the impact of urbanisation. In Indonesia, Commuting activity does not only occur in the centre of metropolitan city Jakarta but spreads outside to the suburbs such as in Tangerang City. Commuting activities often cause stress, and some outdoor public spaces are expected to be healing space for recreation needs amidst a busy life. The lack of integration of urban design that supports commuting activities along with leisure activities is a problem that will be raised. This paper aims to evaluate the configuration of a potential location as the third space in Tangerang City infrastructure around bus stops and train station. Methods used are qualitative methods with a rationalistic approach. The research findings postulated three paradigms in Tactical Urbanism design strategy, which are: (1) Functionally, Tactical Urbanism can form a multipurpose proximity network that functions simultaneously between mobility and relaxation activities; (2) Socially, tactical urbanism design strategy can eliminate social segregation where there are no gaps to spend leisure time around Tangerang station for commuter, community, also tourist; (3) Visually, Tactical Urbanism can encourage people to come and sit for a while and become an icon of Tangerang City with the design of public open spaces integrated with infrastructure for transportation. Based on the above findings, a framework is conceptualised as an attempt to strengthen the tactical urbanism design strategy in the suburbs area.

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