REPAIR, PERIODICAL MAINTENANCE OF 11 KV VCBS, LT PANELS, REPLACEMENT OF LT SWITCHGEARS, HT/LT CABLES, JOINTING KITS AND OTHER ALLIED WORKS AT CERTAIN SHOP FLOOR DISTRIBUTION SUBSTATION AT ZONE 3, 4, 5 AREA OF ND (V) UNDER GE (I) (DM) VISAKHAPATNAM

Amount

M&L for finding of cable fault of UG 11000 volts grade cable inside trench (under soil / drain/PCC/road/trench ) by disconnecting both cable ends, using insulation tester, cable path/fault finder and rectification complete by necessary excuvation, cutting at fault position, fixing of straight through heat shrink joint, for cable sizes 150 sqmm to 400 sqmm, 3 core, 11000 volts grade or replacement of heat shrink indoor cable joint kit of size 150 sqmm to 400 sqmm, 3 core and reconnection of both cable end to original position after complete satisfactory insulation test, fixing with old or required new nuts-bolts-washers complete with testing complete all as specified and as directed . Note: (a) Items required for rectification such as heat shrink indoor cable joint kit / heat shrink straight through joints / heat shrink sleeves and earth work shall be measured separately as material and labour . (b) required aluminium cable lugs and nuts-bolts-washers shall be inclusive of quoted rate. (c) Contractor shall bring necessary testing equipment and rate shall be inclusive of quoted rate.

M&L for maintenance of 11KV CT chamber by disconneting all 3 ph cable connections, extended busbars and from VCB Bus and taking out from panel mounted position, testing for proper functioning, body leakage, checking & cleaning / decarbonising of all contact points of CT, epoxy body and Busbars, complete CT chamber using hot blower and CTC solution, applying backtol (Red) solution to the CT body and refixing the same CT to original position, re-connection of all existing cables, extended busbars, testing complete all as specified and directed.

Maintenance, servicing, cleaning of Busbur chamber of each VCB including conneting busbar from CT to Busbar, spout, support insulator, opening of covers, using CTC and clean cloth and hot air blower, checking for any loose contact, tigtening of all nuts & bolts, refixing all covers complete all as specified and directed

Supply and fix including dismantling taking out unserviceable Resin Cast CT dual core, CT racio- 100/50/5A-5A For 800A to 2500A Schneider make 11 KV VCB. Make-Kappa/Esun/Pragati

Supply and fix including dismantling taking out unserviceable Resin Cast CT dual core, CT racio- 800-400/5A-5A For 800A to 2500A Schneider make 11 KV VCB. Make-Kappa/Esun/Pragati

M&L for painting to steel surface of CT Chamber inside wall all side with one coat of synthetic enamel paint after preparation of surface complete all as specified and as directed.

M&L for rectification of fault of control circuit of 11 KV VCB by checking, repair of close / trip / spring charging circuit replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and directed

M&L for rectification of fault of AC light circuit of 11 KV VCB by checking, repair of door switch , B-22 polycarbonate holder and replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire, Lamp holder, door switch complete all as specified and directed

M&L for maintenence/servicing of PT unit 11Kv / 110V by disconneting and taking out from panel mounted position, checking & cleaning of fixed and moving contact points, cleaning/decarbonising of busbar connections, resin cast PTs using hot blower, CTC solution,applying backtol (Red) solution to the epoxy PT body, tightening of all nuts, bolts, washers, and refixing the same PT to original position, testing complete all as specified and directed.

M&L for setting of 3 ph overcurrent + earth fault numerical relays by primary injection of current to CTs with suitable equipment for overcurrent & earth fault with high set and low set including checking of all other parameters of relays for proper tripping order after disconection of incoming or out going HT XLPE cable connection from VCB CTs and reconnection of cable ends at existing terminals after completion of relay setting complete all as specified and as directed. Note: (a) Relay setting shall be made considering corresponding values of upstream and down stream VCB relays and recorded maximum demand of VCB. Any further adjustment of values as many times require shall be carried out within the quoted rate. (b) Recovery shall be made double the quoted rate if VCB fails to trip in indicated fault and if group tripping recorded

Maintenance, servicing, cleaning of vacuum circuit breaker unit of 11 KV VCB panel of capacity 400 Amps to 2500 Amps, taking out from panel, cleaning of all parts with CTC and clean cloth, removal of carbon deposited inside the moving contacts, greasing of all moving parts of the VCB, checking of complete operating mechanism for proper functioning, reporting for any defective parts, complete all as specified and as directed. Note: Replacement of defective parts of the VCB shall be measured and paid separately

M&L for rectification of fault of DC 110V circuit of 11 KV VCB by checking, repair from battery charger to VCB and and internal distribution to other components /system and replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and as directed

M&L for rectification of fault of electrical circuit of 11 KV VCB by checking, repair from CT/PT and programming of multifunctional meters and replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and as directed

M&L for rectification of fault of indication circuit of 11 KV VCB by checking, repair of indicating LED lamp circuit, annuciation system replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and as directed

M&L for rectification of fault of heater circuit of 11 KV VCB by checking, repair of thermostat / heater circuit system replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and as directed

Supply and fixing Schneider Micom P-127 protection relay, 110V, 5A, type-BAOZ112Ca1 to Schneider make 11KV VCB incl necessary connection testing complete including dismantling taking down unserviceable one all as specified and as directed.

Supply and fixing Schneider High speed trip relay, type-VAJH, 110V to Schneider make 11KV VCB including necessary connection testing complete incl dismantling taking down unserviceable one complete all as specified and as directed

Supply & fixing closing coil assembly 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete including dismantling taking down unserviceable one complete all as specified and as directed Make- Schneider, Part No- ECO39SN134900FN

Supply and fixing tripping coil 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unsv one complete all as specified and as directed. Make- Schneider, Part No- ECO39SN134100FN

Supply and fix including dismantling taking out unserviceable vacuum interrupter of suitable for VCB of capacity 2500 Amps complete all as specified and as directed Make-Schneider only. Part No-VSLVG3-002Fc04602

Supply and fix including dismantling taking out unserviceable spring charging Universal motor with gear box 220V AC For 800A to 2500A Schneider make 11 KV VCB. Make-Schneider only, Part No-MVIJOO157-02

Material & Labour for dismantling taking out burnt spring charging Universal motor with gear box 220V AC from 800A to 2500A Schneider make 11 KV VCB, transportation to civil workshop, rewinding complete motor with required size of super enamelled copper wire, heating, vernishing and transportation back to site, refixing to original position in VCB, connections, testing complete complete all as specified and as directed

Supply and fix including dismantling taking out unserviceable Buffer (For Opening Spring ) For 800A to 1600A Schneider make 11 KV VCB. Make-Schneider only, Part No- MVIJ000980-1

Supply and fix including dismantling taking out unserviceable Buffer (For Closing Spring ) For 800A to 1600A Schneider make 11 KV VCB. Make-Schneider only, Part No- MVIJ00056-01

Supply and fix including dismantling taking out unserviceable Breaker Auxiliary Switch 12Way Aux.Switch For 800A to 1600A Schneider make 11 KV VCB. Make-Schneider only, Part No- MVIE00114-01

Supply and fix space heater, 230V, 100 watt inside cable chamber including necessary connection, testing complete all as specified and directed. Make- Schneider, Part No-EHT-A-AA 000-001

Supply and fix including dismantling taking out unserviceable thermostat for space heater For 800A to 1600A Schneider make 11 KV VCB. Make-Schneider only, Part No- ETH-E-B000-001

S&F multifunctional meter with LED disply, accuracy class-1, e-nevigator, including dismantling taking down unserviceable one and connection, programming, testing complete all as specified and as directed. Make- Elmeasure, Model- EN-8400

Supply and fix including dismantling taking out unserviceable Isolating Contact For 800A to 1600A Schneider make 11 KV VCB. Make-Schneider only, Part No- MVIK00190-01

Supply and fix including dismantling taking out unserviceable Isolating Contact For 2000A to 2500A Schneider make 11 KV VCB. Make-Schneider only, Part No- MVIK00190-02

M&L for painting of outer surface of multiple section of complete VCB panel 11 Kv size up to 2.0 x 1.8 X 0.8m in one substation using one coat of synthetic enamel paint after preparation of surface, providing protection cover to all metering equipment, panel meters, switchgears, cleaning of all meters and switch gears complete all as specified and as directed

S&F Cable jointing kit for 11 KV (Earthed) grade cable for out-door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm after disconneting unserviceable cable kit from busbar at strcture, taking out carefully after opening clamp at structure to GL and fixing the same to original position, with new or old nuts, bolts & washers, clamp at structure complete all as specified and as directed

S&F Cable joining kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm including dismantling / taking down unserviceable one.

All as per item No 33.00 above but (straight through heat shrink type joint) but for cable of size 240sqmm to 400 sqmm including dismentling / taking down unserviceable one.

Supply and fix Air circuit Breaker (ACB) 4 pole 415 volt, with Microprocessor release mannual draout type of capacity 1600 Amps 50KA including necessary addition altration required in panel for fixing of ACB complete all as specified and as directed Make- L&T Cat no MDO SL96044 or equivalent to schneider/Indo Asian

All as per item No 35.00 above but capacity of 1250 Amps. Make- L&T Cat No MDO SL96042 or equivalent in schneider/Indo Asian)

Supply, install, test and commissioning MCCB with fixed thermal maganetic relase for 415 V, 50 Hz AC supply of 400 Amp, 4 pole 36 KA rated capacity by taking out old unserviceable MCCB's all as specified and directed. Make : Indo Asian /L&T/ABB

All as per item No 37.00 above but of capacity 250 Amps, breaking capacity 36 kA

All as per item No 37.00 above but of capacity160 Amps, breaking capacity 36 kA

Servicing/maintinance of multiple section of LT Panel board in one substation comprising minimum up to 05 Nos ACBs/ MCCBs/SDFs ,busbar chamber, swich gear chamber, metering chamber cable termination/tray chamber after opening front/top/side/back cover by using forced air pressure and brushes, cleaning of all dust/durt, complete cleaning of out side surface of panel board using suitable cleaning agents, tighting of all nuts & bolts of busbar/switchgear/cable terminals, repair/replacement to defective metering wiring from ACB/MCCB/CT to meter and replacement of defective meters, CTs, indicator lamp, metering terminal blocks, MCB, replacement of defective aluminum cable lugs, nuts-bolts-washers, replacement of defective Panel knob/door knob and hinges complete all as specified and as directed Note:- (i) Panel Meter, indicator lamp, MCB and CT will be measured and paid seperately as supply only. (ii) Required aluminium cable lugs, metering cables and nuts-bolts-washers shall be inclusive of quoted rate. (iii) Servicing/maintinance of ACBs measured seperatelly.

All as per item No 40.00 above but comprising ACBs /MCCBs/SDFs up to total 10 Nos

All as per item No 40.00 above but comprising ACBs /MCCBs/SDFs up to total 15 Nos

All as per item No 40.00 above but comprising ACBs /MCCBs/SDFs up to total 23 Nos

All as per item No 40.00 above but comprising ACBs /MCCBs/SDFs up to total 28 Nos

Supply only 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 and taking down unserviceable indication lamps all as specified and as directed. Cat Part No:-1SFA619402R5201 Make:-Siemens/C&S/schneider/ABB

Supply only metering current transformer of 1000/5 Amps class-1, 15 VA, complete all as specified and as directed Make:-Rishabh, Cat No- TW-06 or equivelent of Kappa/ AE

Supply only metering current transformer of 800/5 Amps class-1, 15 VA, complete all as specified and as directed Make:-Rishabh, Cat No- TW-06 or equivelent of Kappa/ AE

Supply only metering current transformer of 600/5 Amps class-1, 12.5 VA, complete all as specified and as directed Make:-Rishabh, Cat No- TW-06 or equivelent of Kappa/ AE

Taking down old unserviceable battery charger from the battery bank, supply & fix new DC battery charger of capacity 200AH, 110V/30 Amps FCBD with DCDB suitable for 110V, 200AH, (VRLA) battery all as specifed & directed. Make : Amara Raja only.

Servicing, repair, maintinance of Air Circuit Breaker 630 Amps to 3200 Amps capacity by drawing out movable unit, forced air cleaning of movable and fixed unit, decarbonize breaker contracts and checking for any defects due to any flush/loose contact, cleaning of all fixed and moving contact point, terminal connection points with CTC, replacement of defective parts and re-fixing ACB, cables completes all as specified and as directed. Note: (a) Required male/female ACB contacts, trip coils, closing coils, electronic protection unit will be measured as supply only. (b) All cleaning agents are included in the quoted rate.

Supply only fixed contract of ACB 630A to 3200A

Supply only Moving contract of ACB 630A to 3200A

Supply Only Electronic protection unit of ACB 630A to 3200A

Supply Only shunt trip coil of ACB 630A to 3200A

Supply Only closing coil ACB 630A to 3200A

M&L for painting of outer surface of multiple section of complete LT Panel board size up to 5.5 x 3.2m in one substation comprising ACBs/MCCBs/SDFs ,busbar chamber, swich gear chamber, metering chamber cable termination/tray using one coat of synthetic enamel paint after preparation of surface, providing protection cover to all metering equipment, panel meters, switchgears, cleaning of all meters and switch gears all as specified and as directed.

Dimantling, taking out all earth connection of strip from panel board to earth test pint any size and repaceme the worn out earth strip, nut/bolts/washers connect all joint with new nots,bolts and washers to in original position all as specified and directed. Note :- Earth GI strip measured and paid separetely

Supply only Earth continuity conductor GI strip of sizep 32 X 6 mm

M&L for dismantling existing hardstanding and making of cable duct or rerouting of size 09 X 0.45 X 0.75 mtr using brick work 01 cum plaster20.80 Sqm, base PCC 1:3:6 type C2 using 40 mm aggreate including earth work and removing wasted material properly complete all as specified and as directed.

M&L for making chequered plates as per existing sizes and thickness both side lifting handle as per existing one including painting of one coat red oxide primer and two coat of black bituminius paint, incl necessary PCC work as per site requirement and taking out of old unsv chequred plate complete all as specified and as directed.

M&L for cleaning of cable duct of size 1.2X1.0m by removing out all mud, soil waste material and disposal of waste material to nearst garbage bin and soil mud to low laying area of Dockyard complete all as specified and as directed

M&L for painting of both side surface of MS cable trench cover using one coat of black bituminius paint after preparation of surface complete all as specified and as directed

Dismantling taking out LT/HT cable from panel/transformer/floor of sub station for repair or for realingnmetn of cable and refixing the cables with proper staking with proper alingnment of cable and refixing the cables with proper on repaired/existing rack/trench and making feeder wise bundle of cable using PVC cable tie for sizes of cable 3.0/3.5 core 95 sqmm to 185 sqmm 11000/1100 volt grade including required alumium thimble complete all as specified and as directed (Note : each cable shall be measured separately.

All as per item No 65.00 above but for cable sizes 240 sqmm

All as per item No 65.00 above but for cable sizes 300 sqmm

All as per item No 65.00 above but for cable sizes 400 sqmm

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 as 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.

Supply and fix Air circuit Breaker (ACB) 4 pole 415 volt, with thermal magnetic release mannual draout type of capacity 1600 Amps, 50 KA all as specified and directed (Make- L&T Cat No MDO SL96044 or equivalent in schneider/Indo Asian)

All as per item No 70.00 above but capacity of 1250 Amps. (Make- L&T Cat No MDO SL96042 or equivalent in schneider/Indo Asian)

Dismantaling/taking out cable any size/grade from trenches for finding of fault/rerouting and relaying complete with sand and brick protection to the original trench or diverted trench including necessary earth work all as specified and directed

M/s SS Engineering Enterprises

M/s GOPALA KRISHNA ENGINEERING INDUSTRIE.

GAGANSRI INFRA

A BALA RAJU

vijetha enterprises

REAL ENGINEERING WORKS

ASHA JYOTHI ENTERPRISES

UNIVERSAL ENTERPRISES

Eastern engineering Enterprises

lakshmi Engineering Works

MURALI KRISHNA ASSOCIATES

SANTOSH CONSTRUCTIONS

M/s.DSRK CONSTRUCTIONS

P VENKATA RAO