REPLACEMENT AND MAINTENANCE OF ACCESS CONTROL SYSTEM, CCTV SYSTEM AND PROVISION OF MANAGEMENT SERVICE AT PINNACLE@DUXTON BLOCK 1A TO 1G CANTONMENT ROAD (CONTRACT PERIOD – 07 MONTHS FOR REPLACEMENT OF SYSTEMS, 24 MONTHS FOR DEFECTS LIABILITY PERIOD [DLP] AND 29 MONTHS FOR PAID MAINTENANCE) (✉ : BM-26-015-TP@emservices.com.sg)