The Hell’s Kitchen area should keep its residential character and provide more public function so as to be a stable and active community connecting the waterfront and Midtown CBD in the next decades. However, dull street interface, uneven distribution of vitality, expensive living burden, isolation at home intensified the contradiction between the traditional building and block typology and people’s urgent needs for diverse life. When facing the aging and diverse population, the project try to answer how to do open-renovation transformation of enclosed residential area according to the scale of intergenerational social interaction needs.