HDB Tampines GreenTopaz Estimated Waiting Time = 37 months Tampines Bounded by Tampines Avenue 1, Tampines Street 92, and Tampines Street 94, Tampines GreenTopaz  is conveniently located near amenities such as Tampines West MRT station and Bedok Reservoir Park. Comprising 4 residential blocks ranging from 12 to 13 storeys, Tampines GreenTopaz offers 561 units of 2-room Flexi, 4- and 5-room flats for you to choose from. These flats will have waiting times of around 3 years. One