Ka Wai Chuen is a mixed public and a Flat-for-Sale Scheme estate developed by Hong Kong Housing Societyin the vicinity of Fat Kwong Street, Ma Tau Wai Road and Station Lane. It has 9 residential blocks completed between 1984 and 1993. Caltite system has been used for reliable waterproofing for Screen Wall, Ground Floor Slab, and Basement 1 & 2 for the phase 4 containing 3 blocks.