REPAIR, MAINT AND REPLACEMENT OF UNSERVICEABLE ITEMS OF 110 VOLTS BATTERY CHARGERS, POWER PACK, BATTERYS AND CERTAIN OTHER WORKS AT ND V

Amount

Material and labour for servicing / repair/maintinance of battery bank 110V/30A comprising 55 Nos, 2 Volts VRLA batteries of any make/ rating in various sub-stations as follows : (a) Battery terminals to be checked and cleaned with petroleum jelly frequently i.e., every allternative 60 days. (b) Filling electrolyte level where applicable, check the battery voltage.

Disconnecting and taking down old damaged lead acid batteries from various sub-stations and supply & fix new maintenance free (VRLA) 2 Volts, 200 AH, 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 only [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 complete all as specified and directed.

Supply only Cap-Elec-2200 mdf-200V DC

Supply only CT-25/5A-Ring type-ID-30mm-2.5V A-CL5

Supply only Space heater-100W-240VAC

Supply only HBC fuse-slow-50A-660VAC offset tag

Supply only Glass fuse-fast-1A-250VAC-20MM

Supply only Semiconductor fuse-fast-25A-250V AC

Supply only Glass fuse fast 6A 250V AC 20MM

Supply only HRC fuse-slow-20A-415/550VAC-clip on

Supply only DC Voltmeter 0-150V -1.5-90D-(96)

Supply only DC Ammeter-50-0-50A/75mV-1.5-90D

Supply only DC Ammeter-0-40A/75mV-1.5-90D

Supply only AC Voltmeter -0-500V-1.5-90D-(96)

Supply only AC Ammeter-0-25A/5A-1.5-90D-(96)

Supply only PCB-MST-ACDB-48VDC

Supply only PCB-PLA-RL-130VDC

Supply only PCB-MST-UV/OV-RD-110V

Supply only PCB-CUR LIMIT-INT.FACE-130VDC

Supply only PCB-POWER SUPPLY BD-6P

Supply only PCB-REG CTRL-110VDC-6P

Supply only PCB GATE PULSE DRIVER-6P

Supply only PCBN-PLA-RELAY-12VCB-3C/O CONT

Supply only MCB-16A - 2P-DC-10KA

Supply only MCB-63A-2P-DC

Supply only MCB-32A-3P-10KA-AC-D-Cure

Supply only MCB-50A-2P-DC

Supply only Resistor-variable-2.5K-25k-25W-wire wound

Supply only POT-panel mount-20K-3W-1T

Supply only Dual SCR block-slow-25A-600V

Supply only PCB alram Bd-26V-43VDC-I/P-ARE02017023

Supply only Short cuircuit in AC Plat relay bases

Supply only Fuse trip indicators

Supply only PCB volt detect 48VDC TB

Supply only Capacitor Elect 7700MFD-200VDC

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 fix copper cable single core of size 10 sqmm including terminals all as specified and directed. [Make:- Plaza/Polycab/Finolex].

Supply and laying in trenches XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 1100 Volts grade cross section area 25 Sqmm 3.5 core and connection complete with aluminium cable lugs including dismantling taking down unsv one all as specified and directed.

Material and labour for monthly cleaning of entire indoor substation buildings inside wall, ceiling, floor and outside wall, plinth protection with suitable brush/broom/wiper, removing wild vegitation around substation building complete all as specified and directed.

Material and labour for cutting/cleaning of wild vigitation etc., in and around outdoor eletric installations including disposal of spoil to a distance not excluding 500 Mtr outside the installation and carryout every alternate 30 days for the installations complete all as specified and directed

M/s Vinayaka Associates

KIRON ENGINEERING CORPORATION

GS ENGINEERS

R AND A ASSOCIATES ENGINEERS CONTRACTORS

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO