REPAIR and PERIODICAL MAINTENANCE OF 11KV VCBS, LT PANELS, LT SWITCH GEAR, HT/LT CABLES AND OTHER ALLIED WORKS AT CERTAIN DISTRIBUTION SUBSTATION AT ZONE-8 and ZONE-9 AREA AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Supply, lay and connecting up in trenches or in duct or passing through pipe XLPE insulated, screened, PVC bedded, galvanised steel strip armoured, overall PVC sheathed electric power cables (heavy duty) with aluminium conductor, 11000 volts grade (Earthed) cross sectional area 185 sq. mm 3 core including dismantling / taking down unserviceable one complete all as specified and as directed

All as per item No 1.00 above but of size 240 sq. mm 3 core including dismantling / taking down unserviceable one complete all as specified and as directed

All as per item No 1.00 above but of size 300 sq. mm 3 core including dismantling / taking down unserviceable one complete all as specified and as directed

All as per item No 1.00 above but of size 400 sq. mm 3 core including dismantling / taking down unserviceable one complete all as specified and as directed

Servicing, repair, maintenance 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 complete all as specified and as directed

Supply only Moving contract of ACB 630A to 3200A complete all as specified and as directed

Supply Only Electronic protection unit of ACB 630A to 3200A complete all as specified and as directed

Supply Only shunt trip coil of ACB 630A to 3200A complete all as specified and as directed

Supply Only closing coil ACB 630A to 3200A complete all as specified and as directed

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 complete all as specified and as directed Make : Amara Raja only.

Disconnecting 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.

Servicing/maintenance 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, tightening 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 13.00 above but comprising ACBs /MCCBs/SDFs up to total 10 Nos complete all as specified and as directed

All as per item No 13.00 above but comprising ACBs /MCCBs/SDFs up to total 15 Nos complete all as specified and as directed

All as per item No 13.00 above but comprising ACBs /MCCBs/SDFs up to total 23 Nos complete all as specified and as directed

All as per item No 13.00 above but comprising ACBs /MCCBs/SDFs up to total 28 Nos complete all as specified and as directed

Supply and fix rubber insulating mat in front of LT panel board of size2.0 mm thick, 2 Mtr X 1Mtr up to 3.3 KV complete all as specified and as directed

M&L for dismantling existing hardstanding and making of cable duct or rerouting of size 09 mtr 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 and throwing debris outside of ND (V) 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 bituminous 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 nearest 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 bituminous paint after preparation of surface complete all as specified and as directed

M&L for painting of outer surface of multiple section of complete VCB panel 11 Kv size up to 2 m x 1.8m X 0.8 m 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

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 unsv one complete all as specified and as directed

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

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-VSLVG4002-01

Dismantling/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 complete all as specified and as directed

M&L for dismantling taking out cables 25 sqmm to 35 sqmm from trench, including making straight through joints at damaged portion and relaying to trench complete complete all as specified and as directed Note: Earth work will be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate, Sand & Brick should be reused labour for removal & reusing removing of sand and brick shall be inclusive of quoted rate

M&L for dismantling taking out cables 70 sqmm to 150 sqmm from trench, making straight through joints at damaged portion and relaying to trench complete all as specified and as directed Note: Earth work will be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate, Sand & Brick should be reused labour for removal & reusing removing of sand and brick shall be inclusive of quoted rate

M&L for dismantling taking out cables 185 sqmm to 400 sqmm from trench, making straight through joints at damaged portion and relaying to trench complete all as specified and as directed Note: Earth work will be measured and paid separately. Heat shrink straight through cable joints inclusive of quoted rate, Sand & Brick should be reused labour for removal & reusing removing of sand and brick shall be inclusive of quoted rate

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 M deep for taking out / laying cable and getting out in soft/loose soil complete all as specified and as directed

Returning, filling in soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed

Removing excavated soil to a distance not exceeding 50M and depositing where directed at level not exceeding 1.5 m above starting point complete all as specified and as directed

Supply and lay approved quality sand underneath and all around the underground cable in trenches for cable cushioning complete all as specified and as directed Note : Punned thickness only will be measured for the purpose of payment.

Material and labour for bricks sub class B old size in cable protection complete all as specified and as directed

M&L for removing and shifting of LT Panel Board to other location for a distance of 500 m by using crain/main power after disconnecting main incommer and out going cable connection carefully including making cement concrete plinth and mounted cearefully including painting by using two coats of synthetic enamel paint and connect incommer and out going cable andchecking the all out going connectin shall be in original position complete all as specified and as directed Note : Earth work, cable, joint kit shall be paid and measure seperaterly.

Taking down unserviceable/burnt cable end termination by isolating power supply from transformer/LT panel by disconnecting burnt/faulty cable from the bunch of cables in trenches/duct, removing cable loop and material and labour for making Re-rout, cable termination of 3 1/2 core armoured aluminium conductor cable of size 95 sqmm to 400 sqmm, 1100 volts with suitable size of cable glands, aluminium lugs duly crimpled and insulated with insulation tape (in different colours) duly replaced the rusted nuts, bolts and washers of nickel chromium plated with new ones and applying petroleum jelly, testing and commissioning complete all as specified and as directed

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 as 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 as directed

Supply and fix single (Read-Blue) phase busbar spout suitable for 800 Amps to 1250 Amps VCB make Schneider only Model No MEP-39-32185 including testing complete all as specified and as directed

Supply and fix single (Y) phase busbar suitable spout for 800 Amps to 1250 Amps VCB make Schneider only Model No MEP-39-32186 including testing complete all as specified and as directed

Supply and fix single (Read-Blue) phase busbar spout suitable for 1600 Amps to 2000 Amps VCB make Schneider only Model No MEP-39-A0051301 including testing complete all as specified and as directed

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 maintenance/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 as directed

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

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 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 complete all as specified and as directed

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 complete all as specified and as directed

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 complete all as specified and as directed

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 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 sqmmafter after disconneting unsv 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 150 sqmm to 185 sqmm including dismantling / taking down unserviceable one complete all as specified and as directed

All as per item No 56.00 above (straight through heat shrink type joint) but for cable of size 240sqmm to 400 sqmm including dismantling / taking down unserviceable one. complete all as specified and as directed

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 complete all as specified and as directed Make : Make : Indo Asian /L&T/ABB/Schneider

All as per item No 58.00 above but of capacity 250 Amps, breaking capacity 36 KA complete all as specified and as directed

All as per item No 58.00 above but of capacity 200 Amps, breaking capacity 36 KA complete all as specified and as directed

Dismantling taking out LT/HT cable from panel/transformer/floor of sub station for repair or for realignment of cable and refixing the cables with proper staking with proper alignment of cable and refixing the cables with proper on repaired/existing rack 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. (Note : each cable shall be measured separately. Steel cable rack shall be measured separately as supply and fix complete all as specified and as directed

All as per item No 61.00 above but for cable sizes 240 sqmm complete all as specified and as directed

All as per item No 61.00 above but for cable sizes 300 sqmm complete all as specified and as directed

All as per item No 61.00 above but for cable sizes 400 sqmm complete all as specified and as directed

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

Supply and fix including dismantling taking out unserviceable Resin Cast CT dual core, CT ratio- 150/50/5A-5A For 800A to 2500A Schneider make 11 KV VCB complete all as specified and as directed Make-Kappa/Esun/Pragati

SATYAMEGHA ENGINEERS

sree karthika fabs

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO

M/s SS Engineering Enterprises