short dated tender - bids are invited for repair and overhauling service -r rectification of hull defect (h-259), de foreign particles are observed in 04 in nos ru tanks (tank capacity-10kl, 02 nos and 16kl, 02nos) in fer & aer affecting blockage of main engine fuel filters. inway jobs includes followings: 1 open manhole covers and ventilate tanks for 24/48 hours as required to make the compartment gas free and gas free certificate by explosive department/inspector for men entry to be provided. 2 04 in nos exhaust blowers for ventilation of ru tanks for 48 hrs to be provided. from fer & aer compartment to outside the compartment. obtain. 3 ru tanks to cleaned thoroughly and visually surveyed. 4 renewal of gaskets of tank manhole. tank capacity 10kl, qty-02 nos, 16kl, qty-02 nos.