REPLACEMENT OF BOOSTER PUMPSETS TO 57 BLOCKS OF FLATS AT BLOCKS 130 TO 134,136,137,141,142,144,150 TO 152,154 TO 160,162 TO 164,165A,166A,166B,202 TO 208,210,TO 212,213,214,215,217 TO 220,223 TO 230,232 TO 237 CHOA CHU KANG CENTRAL, CHOA CHU KANG AAVENUE 1, TECK WHYE LANE, JALAN TECK WHYE & TECK WHYE CRESCENT (REF: CCKTC/CYC/19/9)