(1)Provision of CCTV System including ancillary works for 1 x Closed Door Hanger at Naval Aviation Area, Shah Amanat Air Port, Chattogram (2)Remaining work such as fIre proof door, bullet proof door, RCC work, BB work, Fongn made chemical and Exhaust fan with Air duct for construction of Bunker type OP's room for CNS Secretariat (Bldg No. 116) at NHQ area, Dhaka. (EXPIRED)