REWINDING OF TRANSFORMER COILS REPAIR AND REPLACEMENT OF UNSERVICEABLE TRANSFORMER CONSERVATORS CORES BUSHINGS INSULATORS OLTCS TEMP AND GAUGES SPARE PARTS OF VCBS RELAYS CTS PTS HT CABLES AND CONNECTED ITEMS AND OTHER ALLIED WORKS AT AFS DIGARU

Labour ( Skilled Electrician ) only for load balancing (+ 10% variation) in three phase transformer upto 160 KVA capacity Quoted rates shall be included for all required T&P and safety equipment. in presence of MES rep / concern JE complete all as directed by Engr-in-Charge. Note: Quoted rates shall be included for all required T&P and safety equipment.

All as per Item No- 1, but for capacity 200-315 KVA capacity (Loc: X & L Area and HQ Area)

All as per Item No- 3, but for capacity 63-160 KVA capacity (loc: X & L Area and HQ Area)

All as per Item No- 3, but for capacity 200-315 KVA capacity (loc: SNCOs Mess & HQ Area)

All as per Item No- 3, but for capacity 400-500 KVA capacity (loc: SMQ Area)

All as per Item No- 3, but for capacity 630-1000 KVA capacity (loc: TP Complex)

S & F brass spindle for terminal on HT side threaded complete with nut, washers etc of suitable dia for transformer of of capaicty 63 -160 KVA

All as per Item No- 8, but for capacity 200-315 KVA capacity

All as per Item No- 8, but for capacity 400-500 KVA capacity

All as per Item No- 8, but for capacity 630-1000 KVA capacity

All as per Item No- 8, but for LT Side & capacity 63-150 KVA capacity

All as per Item No- 8, but for LT Side & capacity 200-315 KVA capacity

All as per Item No- 8, but for LT Side & capacity 400-500 KVA capacity

All as per Item No- 8, but for LT Side & capacity 630-1000 KVA capacity

Dehydration/filtration of transformer oil of Capacity 63 KVA to 2.5 MVA with ultra high vacuum filteration machine and checking dielectric strength (BDV), dielectric dissipation factor, neutralizing value (total activity) 55-60 KV with 2.5 mm Gap sludge content, flush point of transformer oil from Standard Testing Laboratory all as specified .Refilling the transformer oil in the shell of transformer after carrying out filtration and heating up oil to achive reqd dielectric strength and submitting the test result before and after filteration of oil in presence of Engr- in- charge on proper proforma duly signed.

Supply and fill Transformer oil with high viscosity, high resistance to oxidation & thermal stability mainting BDV Value of 55-60 KV in 2.5mm rod gap complete all as specified and directed by Engineer-in-charge. MAKE-CASTROL/INDIAN OIL/HPCL

S & F dehydrating breather for 63-160 KVA transformer with dehydrating agent (Silica gel) including taking down existing breather complete all as specified.

All as per Item No- 18 , but for 200-315 KVA transformer

All as per Item No- 18, but for 400-500 KVA transformer

All as per Item No- 18, but for 630-1000 KVA transformer

Supply and fix in repair ceramic bushing on HT side of transformer of capacity 63-160 KVA (Make : Mysore Potteries/BHEL/:-

All as per Item No- 22, but for 200-315 KVA transformer

All as per Item No- 22, but for 400-500 KVA transformer

All as per Item No- 22, but for 630-1000 KVA transformer

All as per Item No- 22, but for LT side of 63-160 KVA transformer

All as per Item No- 22, but for LT side of 200-315 KVA transformer

All as per Item No- 22, but for LT side of 400-500 KVA transformer

All as per Item No- 22, but for LT side of 630-1000 KVA transformer

Supply and fixing in replacement of complete gasket (Cock sheet) 6 mm thick complete of capacity of following transformer including conical rubber bush for Transformer of capacity 63-160 KVA

All as per Item No- 30, but for 200-315 KVA transformer

All as per Item No- 30, but for 400-500 KVA transformer

All as per Item No- 30, but for 650-1000 KVA Transformer

All as per Item No- 34, but for 200-315 KVA Transformer

All as per Item No- 34, but for 400-500 KVA Transformer

All as per Item No- 34, but for 650-1000 KVA Transformer

Supply and winding of 11/0.433 KV HV coils,using new copper wire/strip of proper size including insulating materials (double insulation)as per existing size of core of transformer complete including heating, varnishing complete all as specified and directed

Supply and winding of 11/0.433 KV LV coils,using new copper wire/strip of proper size including insulating materials (double insulation)as per existing size of core of transformer complete incl heating , varnishing complete all as specified and directed

M & L for winding of 11/0.433 KV HV/LV coils coils,removing U/S insulating materials, double reinsulation with insulating papers using same copper strip and rewinding as per existing size of core of transformer upto 500 KVA capacity complete incl heating , varnishing complete all as specified and directed

Removing the Transformer of capacity 63-160 KVA from the platform/Two pole structre/floor by disconnecting all incoming and outgoing cables including earthing connection and loading in vehicle carefully using crane and transporting in to the workshop to carry out replacing old unsv spares/windings with new one as mentioned below by taking out transformer oil and store in dry and clean container for reuse including taking after re-assembling and transportation the transformer back to the site re-install it by re-connecting all the incoming and outgoing cable connections by properly crimping using lugs of suitable size and testing the transformer as full load upto the satisfaction of Engr-in-Charge complete all as specified and directed. Note:- 1. Arrangement of standby transformer in temporary basis by shifting it from MES Sub Stn/Store & connecting in the existing system will be the resposiblity of the contactor. 2. The cost of transportation of transformer is deemed to be include in the quoted rate. 3. New spares i.e, spindle for HT/LT terminal/, HT/LT bushing rewinding , gasket set, dehydration of transformer oil (if required) will be measured and paid seperately in repective items as S&F.

All As per Item No - 88, but for 120 to 185 Sqmm

M & L for spreading 40 mm coarse graded aggregate (blue metal) in the substation yards at a thickness not exceeding 150 mm complete all as specified and as directed. Note:- Aggregate should be layed after scrapping of existing aggregate and levelled at various transformer yard as indicated.

Supply and fix Cable jointing kit for 11KV grade cable for Outdoor End termination heat shrink type complete with Jointing material and acceesseries suitable for 3 core are XLPE armoured at conductor cable of size 120 to 185 sq mm all as specified including Disconnecting and cutting down the existing old unserviceable / worn out cable end joint Kit 11 KV grade indoor termination cold shrink type as directed by Engineer-in-charge.

All as Per Item No-88, but for outdoor Straight through Joint of Aerial Bunch Cable

Set of 3

All as per Item No- 48, but for 200-315 KVA transformer

All as per Item No- 48, but for 400-500 KVA transformer

All as per Item No- 48, but for 630-1000 KVA transformer

Labour only for servicing & repairing of 415V AC, 110 volts DC, 20 amps battery charger cross checking the faults, rectifying and replacement of UNSV spares making it operational to charge the VRLA type maintenance free battery and testing complete all as diercted by Engr-in-Charge. Note :- Spares will measured and paid seperately under relevant items herein after.

(a) Supply only PCB card model No-ACSTR-01C.

(b) Supply only Main electronicSCR controller (AVR-01) card static type -3 phase, full wave half controlled.

(c) Supply only (DCUV/OVR-01C) card.

(d) Supply only FBCOR-01C card

M & L in repair Earthing complete with GI earth plate electrode 60cmX60cmX6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connecting to galvanized earth strip 32 x 6 mm as earthing conductor by means of bolts, nuts, check nuts and washers of GI and all as shown in Electrical plate No.3 of SSR Part I and including testing on completion all as specified locations and as directed by the Engineer-in-Charge. Note: 1.The above quoted rate shall include cost of main earthing lead of 32 x 6mm GI earth strip, charcoal, salt, excavation and earth work in any type of soil CI cover, funnel with 20mm dia medium grade GI water pipe including GI protection pipe 40mm dia light grade for earth strip etc. 2. The cost of earth pit is deemed to be included in the unit rate.

Excavation in trenches n.exc 1.5m wide and n.exc and 1.5 mtr in depth getting out in in soft/loose soil all as specified and directed by Engineer-in-charge.

Returning and filling including spreading, leveling, watering and well ramming in layer n.exc 25 CM thick in soft/loose soil all as specified and directed by Engineer-in-charge.

Removing excavated material to a distance not exc. 50 mtrs and deposting where directed at a level not exceeding 1.50mm above the starting point all as specified and directed by Engineer-in-charge.

Supply and laying natural river sand as cushioning of cables, including spreading and punning down all as per clause No 3.21 of SSR part -I complete all as specified and directed by Engineer-in-charge and directed by Engineer in charge Note : punned thickness will only be measured for payment purpose.

Disconnecting all incoming and outgoing cables from transformer / LT panel/ Main DB of any size and any length. LT/HT cable shall be megger tested of following parameter in presence of MES rep/ concern JE and reconnect all the incoming and out going cables by properly crimping using lugs of suitable size lugs, taping the LT / HT bushes / bus bars, using LT / HT insulation tape and testing complete all as directed by Engr-in-Charge (i) Continuity (ii) Absence of Cross Phasing. (iii) Insulation resistance to earth (iv) Insulation resistance between conductors

Supply,Laying ,testing, and commissioning size 3x185 sqmm cross-sectional area XLPE insulated, screened, PVC bedded, galvanised steel strip armoured heavy duty electric cable with aluminium conductor 11000 volts grade, in tranches / fixing on wall by saddel/ fixing on poll / drawn through GI pipes including taking down Old unsv UG cable complete all as specified and directed.

Supply,Laying ,testing, and commissioning size 3x120 sqmm cross-sectional area XLPE insulated, screened, PVC bedded, galvanised steel strip armoured heavy duty electric cable with aluminium conductor 11000 volts grade, in tranches / fixing on wall by saddel/ fixing on poll / drawn through GI pipes including taking down Old unsv UG cable complete all as specified and directed.

Supply,Laying ,testing, and commissioning size 3x95 sqmm cross-sectional area XLPE insulated, screened, PVC bedded, galvanised steel strip armoured heavy duty electric cable with aluminium conductor 11000 volts grade, in tranches / fixing on wall by saddel/ fixing on poll / drawn through GI pipes including taking down Old unsv UG cable complete all as specified and directed.

Supply,Laying ,testing, and commissioning size 3x95+1x70 sqmm cross-sectional area Aerial Bunch Cable with H4 grade Aluminium, with extruded semi conductor screen, XLPE insulation, Insulation screen Non-metallic extruded semi conducting layer, insulation screen metallic applied helically over the non metallic layer, sheath PVC type ST2, with messanger conductor of one run of Stainless steel of nominal dia 70 sqmm , heavy duty 11000 volts grade, fixing on poles including all its hardware accessories such as suspension hook, insulator, suspension clamp, rubber insert etc including taking down Old unsv ABC cable complete all as specified and directed. Make- Havells / Polycab/ Gloster/KEI

M & L angle iron Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint incl taking down old UNSV one complete all as specified and directed.

S & F in repair composite polymer type pin insulator for 11 KV overhead line including all its accessories complete all as specified.

M & L in repair composite polyme Disc type insulator, ball and socket type with tension clamps and all hardware components for conductors, working pressure fit for 11000 volts complete all as specified and directed.

S & F in repair composite polymer type post insulator for 11 KV overhead line including all its accessories complete all as specified.

S & F in repair composite polymer type pin insulator for 33 KV overhead line including all its accessories complete all as specified.

M & L in repair composite polyme Disc type insulator, ball and socket type with tension clamps and all hardware components for conductors, working pressure fit for 33KV complete all as specified and directed.

M & L in repair Earthing complete with copper earth plate electrode 60cmX60cmX3.15 mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connecting to copper earth strip 20 X 3 mm as earthing conductor by means of bolts, nuts, check nuts and washers of GI and all as shown in Electrical plate No.3 of SSR Part I and including testing on completion all as specified locations and as directed by the Engineer-in-Charge. Note: 1.The above quoted rate shall include cost of main earthing lead of 20 x 3 mm copper earth strip, charcoal, salt, excavation and earth work in any type of soil CI cover, funnel with 20mm dia medium grade GI water pipe.2 including GI protection pipe 40mm dia light grade for earth strip etc. 2. The cost of earth pit is deemed to be included in the unit rate.

M & L Composite Polymer Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 33 KV (station class) to fix it on the Pole with continuity conductor upto earth terminal including taking down unsv LA complete all as specified and directed.Make- Lamco/ jaipuria/ Bhel

M & L Composite Polymer Air Break switch gang operated Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps fit for 11 KV with all accessories including taking down unsv GOD Complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

M & L Composite Polymer Air Break switch gang operated Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps fit for 33 KV with all accessories including taking down unsv GOD Complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

S & F in repair Male Contact/ moving contact blade of Air Break Switch 11 Kv complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

S & F in repair Female contact/ fixed contact Jaw of Air Break Switch 11 Kv complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

S & F in repair MS jumper Carrierof Air Break Switch 11 Kv complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

S & F in repair Back contactor Plate of Air Break Switch 11 Kv complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

M & L Composite Polymer Expulsion type Drop Out fuse single pole 11 KV , above 50 Amps upto 100 Amps including MS channel for fixing it with the pole including taking down old unsv DO fuse complete all as specified and directed. Make- Rashtriya / jaipuria/ Bhel

Supply & fix of drop out expulsion fuse single pole 11000 volts, above 25 Amps and upto 50 Amps complete including taking out old U/S one all as specified and as directed.

Supply & Fix syntheic mat of size 2m x 1m x 3 mm including taking out old Unseveciable Syntheic mat all as specified and directed by Engineer-in-charge.

S & F insulated synthetic mat nominal 6.0mm thick confirming to IS: 15652-2006 ISI marked suitable upto 33 KV Colour blue standard roll from 5m / 10m to minimum joints and width of Each mat shall be 1.0m complete all as specified and directed by Engineer-in-Charge. [Make: PREMIER POLYFILM LTD / SUNTEX INSULATICA / DUNLOP]

Labour for checking & rectifying High Tension (11KV/33KV) fault location by disconnecting Jumper, Climbing the pole, checking of insulators etc at any location, any time round the clock in 51ASP complete all as speci

Material and labour for painting to 60-160 KVA transformer scrapping and removing oil paint and applying 01 coats of synthetic enamel paint by taking due care for HT/LT side supply all as specified and directed by Engineer-in-charge .

Supplying and laying un-reinforced precast concrete cable cover, but class HV, Type 1, flat, size 300mmx 180mm x 40mm incuding taking out old unsv PCC cable cover complete all as specified and directed.

M & L preparation of old painted surfaces removing of rust from structure for Each bay and busbar with cable protection pipes clamps, panels, CT, PT, GOD and channels, angles etc for any description and applying one coat of 1st quality aluminium synthetic enamel paint including writing of particular specification by white paint 10 CM height over a rectangular surface of black synthetic enameled paint complete all as specified and directed by Engr-in-charge. (33/11 KV MRS)

All As per Item No - 86, but for 50 to 95 Sqmm

M & L Composite Polymer Lightning arresters expulsion/non linear type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11 KV (station class/distribution class) to fix it on the Pole with continuity conductor upto earth terminal including taking down unsv LA complete all as specified and directed. Make- Lamco/ jaipuria/ Bhel

Labour only for repairing the fault in 33 KV outdoor VCB 1250A of Make CG for smooth operation of the VCB from the control relay panel by replacing of faulty spares, incl testing on completion of the VCB upto the satisfaction of Engr-in-Charge. Note :- Spares will measured and paid seperately under relevant items herein after.

(a) Supply T&C switch for 33 KV outdoor VCB.

(b) Supply only remote and local switch for 33 KV outdoor VCB.

(c) Supply only 230 volts spring charge motor for 33 KV indoor VCB.

Labour only for rectifying fault in the 11 KV indoor VCB 800A of make -CG for smooth functioning by replacing faulty spares rewiring of the aux contact points incl servicing and greasing of the VCB all as specified and as directed by Engr-in-Charge.Note :- Spares will measured and paid seperately under relevant items herein after.

(a) Supply only 230 volts spring charge motor for 11 KV indoor VCB.

(b) Supply only tripping and closing coils for 11 KV VCB.

(c) Supply only limit switch for spring charge motorfor 11 KV indoor type VCB.

(d) Supply only 8 way aux switch for 11 KV indoor type VCB.

(e) Supply only Female fixed contact assembly for 11 KV indoor type VCB.

(f) Supply only 11KV vaccum interrupture make - CG or equivalent for 11KV indoor type VCB.

(g) Supply only numerical type over current +earth fault relay (3OC + 1EF) for feeder protection CGI14N.Make-CG or equivalent.

(h) Supply only indoor type resin cast type 11 KV current transformer of ratio 300-150/5-5A, 25kA for 1 sec, 15VA, 5P10 of make -CG or equivalent for 11 KV indoor type VCB panel.

(j) Supply only spout assembly for indoor type 11 KV VCB panel

(k) Supply only resin cast potential transformer of ratio 11000/1.732/110V/1.732, burden : 100VA for 11KV indoor type VCB panel of make- CG or equivalent.

Labour only for rectifying the fault in the 11 KV indoor VCB 800 A of Make- Schneider for smooth operation of VCB by replacing faulty spares , rewiring of aux contact points incl servicing and greasing of the VCB all as specified and as directed by Engr-in-charge. Note :- Spares will measured and paid seperately under relevant items herein after.

(a) Supply only Resin cast potential transformer of ratio 11000/1.732/110V/1.732, burden : 100VA for 11KV indoor type VCB panel of make- Schneider or equivalent.

(b) Supply only resin cast type 11 KV current transformer of ratio 60-30/5-5A, 25 KA for 1 sec, 15VA,5P10 for 11 KV VCB of Make - Schneider or equivalent.

(c) Suppl only three phase voltmeter suitable for 11 KV VCB of make - Schneider or equivalent.

(d) Supply only three phase amperemeter suitable for 11 KV VCB of make - Schneider or equivalent

(e) Supply only relay numerical typre microprocessor based relay suitable for feeder protection 3O/C + 2 EF model - REJ601 of Make ABB or equivalent.

(f) Supply only 11 KV vaccum interrupter for indoor 11 KV VCB of make -Schneider or equivalent.

(g) Supply only 8 window annuciator suitable for Schneider or equivalent make 11 KV indoor

(h) Supply only master trip relay suitable for 11KV indoor type VCB of make - Schneider or equivalent.

(j) Supply only 11 KV Epoxy body for indoor type VCB trolley of Make - Schneider or equivalent.

(k) Supply only 11 KV Busbar spout assembly suitable for indoor type VCB Type - HVX-X of Make - Schneider or equivalent

(l) Supply multi functional meter, 440-446, of make - Secure or equivalent.

(m) Supply only 11 KV PT fuse 3.12 Amps.

Labour charge for rectifying the fault in the 11 KV indoor VCB 630 Amps ICGO type , of make - Seimens for smooth functioning of the VCB by replacing of faulty spare , rewiring of aux contact point incl servicing and greasing of the VCB and testing on completion upto the satisfaction of Engr- in- Charge. Note :- Spares will be measured and paid for seperately under relevant items herein after.

(a) Supply only Resin cast potential transformer of ratio 11000/1.732/110V/1.732, burden : 100VA for 11KV indoor type VCB panel of make- Seimens or equivalent.

(b) Supply only indoor resin cast type 11 KV current transformer of ratio 100-50/5-5A, 25 KA for 1 sec, 15VA,5P10 for 11 KV indoor VCB of Make - Seimens or equivalent.

(c) Suppl only three phase voltmeter suitable for 11 KV VCB of make - Elmeasure or equivalent.

(d) Supply only three phase amperemeter suitable for 11 KV VCB of make - Elmeasure or equivalent. Make - Elmeasure or equivalent.

(e) Supply only 11 KV vaccum interrupter for indoor 11 KV VCB of make -Schneider or equivalent.

(f) Supply only indicator lamp of varrious colours (R,Y,B,A,W,G) as required.

(g) Supply only relay numerical typre microprocessor based relay suitable for feeder protection 3O/C + 2 EF model - REJ601 of Make ABB or equivalent.

Labour only for dismantling of existing ACB of capacity 1600 Amps of make C&S and retrofitting of L&T make ACB in the existing indoor panel, making all necessary connections and ready to use in running condition.

Supply and fix in repair Cable jointing kit for 11KV grade cable for Outdoor Straight through joint, Heat shrink type complete with Jointing material and acceesseries suitable for 3 core are XLPE armoured at conductor cable of size 50 to 95sq mm all as specified as directed by Engineer-in-charge. make- 3M/DENSON/Raychem

fied and directed. Note:- 1. The cost of materials used shall be measured and paid separately 2. The labourers shall be available round the clock of 24 hours a day. 3. The cost of use of tools and safety equipments is deemed to be included in the unit rate.

Calibration and testing of combined inverse time over current and instantaneous relay, checking and decarbonising its moving and fixed contact and ensuring physical healthiness with visual check for healthy tripping of over current and earth fault, adjusting tripping time, flag setting, ratio setting, instaneous time setting etc as per installed capacity of transformer to be saved on maximum, short circuit current in accordance with percentage of impedence of transformer with artificial current injection on primary side with injection machine of HT VCB complete all as specified and directed.

Material and labour for Danger notice plate 1.6 mm thick mild steel vitreous enameled white with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nut etc. complete of size 25 x 20 cm for HT 33000/11000 volts complete all as specified and as directed incl. taking out old UNSV notice plate.

Material and labour for painting of two pole structure complete, scraping the old painted surfaces, cleaning and painting with two coats of synthetic enamel paint of silver colour over a coat of red oxide primer for steel tubuler pole and cement paint for PCC pole upto 1.2 mtr height from top of copping and then 03 nos of each black and yellow alternate strip of 20 cm width upto GL complete all as specified and as directed.

Cutting the tar macadam road / hard standings for laying cable and excavating not exe. 1.5 wide and 1.5m in depth and getting out all as directed including filing back and finishing it with PCC complete matching with the surroundings.

Painting of old painted surface of chain link fencing of mesh size 50 x 50 mm by scrapping rusted surface by applying one coat of aluminium paint inside and out side of 33 KV yard & other sub station including cement paint of cement pillar compelete all as directed

S&F silica gel of superior quality of 6 to 12mm grade, blue in colour, incuding taking out all unsv silica gel,complete all as specified and directed.

M& L for Aluminum conductor, steel reinforced ( ACSR ) drawn / fixed on poles including aluminum binding wire for jumpering, dismantling old U/S conductor complete all as directed by Engr-in-Charge.

Material and labour for spray painting of power transformer of capacity 2.5MVA with two coats of synthetic enamel paint of smoke grey colour over a coat of red oxide primer after thoroughly preparing the surface complete all as specified and as directed.

Material and labour for Earth continuity GI strip or main earthing strip fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32X6 mm dia galvanised iron or steel strip