Keat Hong Quad Sales Brochure: Site Plan and Floor Plans keat-hong-quad.pdf   Lease Commencement Date: Year 2016 Feng Shui of HDB Keat Hong Quad   1. This development has only 3 blocks of flats. Thus, from the block alone; I cannot figure why it could be called "Quad". 2. Perhaps, if we look at the plot of land; then maybe, just maybe it makes more sense: As this plot sits within a Square (Quad)plot of land. And it seats on 2/3rds of this Squad or Quad pl