PERIODICAL MAINTENANCE, REPAIR AND REPLACEMENT OF UNSERVICEABLE ITEMS OF DC SUPPLY BATTERY CHARGERS, POWER PACKS, BATTERIES AND OTHER CONNECTED WORKS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Note : Material shall be measured and paid separately as supply only. (a) Insulation resistance test. (b) High voltage test (c) Perfomance test d) Indications, Alarms & potential free contacts test.

Disconneting and taking down old damaged lead acid batteries from various sub-stations and supply & fix new maintenance free (VRLA) 2Volts, 200AH, batteries united/ fixed together with copper strips by series connection to make a battery bank of 110 V with initial charging and commissioning complete all as specified and directed. Make : Amara Raja or equivalent. Note : Unit rate quoted shall be deemed to be included for providing necessary battery connection links and control wiring from charger to HT panels.

S&F DC power pack on 11 KV VCB, capacity- 230 V AC input, 100V DC output , 150AH including necessary connection from AC input point and out put connection to VCB panel including dismantling taking out unserviceable one all as specified and directed.

Supply and fix copper cable single core of size 10 sqmm incl terminals all as specified and directed. Make:- Plaza/Polycab/finolex.

Supply only Space heater-100W-240VAC or as per site requirment all as specified and directed.

Supply only HBC fuse-slow-50A-660VAC offset tag or as per site requirment all as specified and directed.

Supply only Glass fuse-fast-1A-250VAC-20MM or as per site requirment all as specified and directed.

Supply only Semiconductor fuse-fast-25A-250V AC or as per site requirment all as specified and directed.

Supply only Glass fuse fast 6A 250V AC 20MM or as per site requirment all as specified and directed.

Supply only HRC fuse-slow upto 20A-415/550VAC-clip on or as per site requirment all as specified and directed.

Supply only Dc Voltmeter 0-150V -1.5-90D-(96) or as per site requirment all as specified and directed.

Supply only DC Ammeter-50-0-50A/75mV-1.5-90D or as per site requirment all as specified and directed.

Supply only DC Ammeter-0-40A/75mV-1.5-90D or as per site requirment all as specified and directed.

Supply only AC Voltmeter -0-500V-1.5-90D-(96) or as per site requirment all as specified and directed.

Supply only AC Ammeter-0-25A/5A-1.5-90D-(96) or as per site requirment all as specified and directed.

Supply only PCB-MST-ACDB-48VDC or as per site requirment all as specified and directed.

Supply only PCB-PLA-RL-130VDC or as per site requirment all as specified and directed.

Supply only PCB-MST-UV/OV-RD-110V or as per site requirment all as specified and directed.

Supply only PCB-CUR LIMIT-INT.FACE-130VDC or as per site requirment all as specified and directed.

Supply only PCB-POWER SUPPLY BD-6P or as per site requirment all as specified and directed.

Supply only PCB-REG CTRL-110VDC-6P or as per site requirment all as specified and directed.

Supply only PCB GATE PULSE DRIVER-6P or as per site requirment all as specified and directed.

Supply only PCBN-PLA-RELAY-12VCB-3C/O CONT or as per site requirment all as specified and directed.

Supply only MCB-16A - 2P-DC-10KA or as per site requirment all as specified and directed.

Supply only MCB-63A-2P-DC or as per site requirment all as specified and directed.

Supply only MCB-32A-3P-10KA-AC-D-Cure or as per site requirment all as specified and directed.

Supply only MCB-50A-2P-DC or as per site requirment all as specified and directed.

Supply only Resistor-variable-2.5K-25k-25W-wire wound or as per site requirment all as specified and directed.

Supply only POT-panel mount-20K-3W-1T or as per site requirment all as specified and directed.

Supply only Dual SCR block-slow-25A-600V or as per site requirment all as specified and directed.

Supply only PCB alram Bd-26V-43VDC-I/P-ARE02017023 or as per site requirment all as specified and directed.

Supply only Short cuircuit in AC Pla relay bases or as per site requirment all as specified and directed.

Supply only Fuse trip indicators or as per site requirment all as specified and directed.

Supply only PCB volt detect 48VDC TB or as per site requirment all as specified and directed.

Supply, fix and testing indication lamps (LED type) red, yellow and blue in colours of 22.5 mm dia to monitor on LT panel board suitable for 240 V AC supply including providing controll wiring and taking down unserviceable indication lamps all as specified and directed. Make - L&T/binay/C&S

Supply and laying heavy duty electric cable with stranded copper conductor, 1100 Volts grade cross section area 25 Sqmm 4.0 core and connection complete with aluminium cable lugs including dismantling taking down unsv one all as specified and directed.

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO (BID ID -3189162)