Replacement Of Td To Md Fuel Pump Onboard One Large Naval Vessel, Naval Ship Repair Yard ,Naval Base ,Karwar-Karnataka

Replacement Of Td To Md Fuel Pump Onboard One Large Naval Vessel , removal of td fuel pump . , ( i ) removal of td fuel pumps . , ( ii ) post de-gutting/ removal of pipelines , blanking of the associated system pipelines to be undertaken to maintain system integrity ( blanks are to be provided by the firm ) . also , any damage while de-gutting has to be rectified by the firm upto ship staff satisfaction in stipulated time without any charges . , ( iii ) decoupling of turbine assembly from fuel pump and removal of the unit including gear box to be undertaken . , ( iv ) post removal of turbine and rg assembly from foundation shifting of turbine and gear box assembly from ebr to jetty through designated route ( soft patch/hangar ) to be undertaken . , md fuel pump . , ( i ) shifting of md fuel pump and electric motor from jetty to respective location to be undertaken . the shipping-in route of proposed electric motor is same as shipping- out route . the proposed motor being small in size can be shifted in assembled condition , ( ii ) fitment of electric motor with frame and securing of supporting frames on foundation using sv mounts . , ( iii ) layout of cables from junction box to motor and connect cables from starter to electric motor to be undertaken by firm . cable glands and trays of the existing log system will be re-utilized for the cabling of proposed md pumps . , ( iv ) piping/ cable schedule will follow the existing system cables . supply from the existing jbs to the starters and from the starters to the motors will be routed through existing cable routes . however , minor augmentation of the frame will be required to accommodate the three core cables . , ( v ) in-situ gauging , manufacturing and fitment of instrumentation and fuel pipelines along with associated components ( unions and flanges ) to be undertaken by firm , ( vi ) pressure testing of all fabricated pipes upto pressure indicated above has to be undertaken in presence of nsry ( kar ) qc team/ ss reps . pressure testing would be finally cleared by nsry ( kar ) qc team . , ( vii ) welding of pipes/ frames on board , if required to be undertaken by certified and skilled welders . dpt of welds to be undertaken in presence of nsry ( kar ) qc team and ss reps . , trials and stw , trials of md fuel pump will be undertaken post system integrity checks . trial mainly entails performance checks of the pump including parameters checks ( suction/ discharge pressure ) , vibration trial , insulation/ spm checks on motor , motor starting and running current checks etc . in presence of oem .

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