86215 REPAIR / MAINT AND UPKEEP OF HT INSTALLATION, INCLUDING MAINT OF TRANSFORMER, VCB, GOD, HT SWITCH GEARS, HT CABLE, EARTHING AND LIGHTENING ARRESTER AND ALLIED ITEMS AT AFMC, OLD NDA, ASI, AIPT AREA AND OTHER MINOR UNITS UNDER GE (CENTRAL) PUNE

Amount

M&L for dismantling of HT unserviceable steel poles of any size including taking out of embedded portion of poles from concrete after necessary demolition of concrete foundation and disposal of the same all as specified and directed.

M&L for dismantling cross-arms of MS channel or angle sections etc. complete and setting aside for re-use and removing unserviceable /rusted crossarms and accessories from Site,complete all as specified and directed.

M&L for dismantling air break gang operated swtches vertical/ horizontal mounted including insulators and operating mechanism for repair/replacement of broken/worn out components and insulators etc.and keeping serviceable gang operated switches in safe custody for re-use and removing unserviceable gang operated switch from Site, complete all as specified and as directed.

M & L for dismantling of HT Lightning Arresters of any type/rating with all fittings complete all as specified and directed.

Supply, erecting & fixing Steel tubular swaged pole, 11.0 metres long complete with cast iron base plate, finial taper plug,bolts, nuts and screws as specifed type 410 SP-55 complete all as specified & directed. Note: Excavation & earthwork, cement concrete, etc. will be measured and paid separately under relevant Items of this Schedule.

S & F 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 including two coats of aluminium paint over a coat of red oxide zinc chrome primer including preparation of surfaces complete all as specified & as directed.

Dismantling, removing, supply & fixing ACSR conductor of any type and Size incl binding, on insulator , including sleeves all as directed.

S&F in replacement compression/crimping type sleeve joints for jointing conductors/jumper connections upto 10 mm dia conductor wire including treatment with conducting jelly complete all as specified anmd as directed.

S & F transmission class, discharge capacity 65 Kilo Amp of rating 11 KV including connecting with earth lid with necessary nuts, bolts etc. complete all as specified and as directed.

S&F in replacement of Lightning arrestors expulsion type complete with all fittings, 65 KA discharge capacity, 22 KV distribution class made out of (Porcelaion/Polymeric as per approval) complete with connection all as specified and directed by Engineer Incharge.

S & F switch air break, gang operated, triple pole, 11000 Volts grade and current rating upto 400 Amps, mechanically operated, mounted on insulator and steel frame with operating mechanism worked from ground level complete all as specified and directed.

Taking down and Supply and fix gang operated air break switch (Porcelaion/Polymeric as per approval) of 22KV Triple pole, mechanically operated,mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps, including locking arrangement including lever lock navtal with 3 keys and fixing on existing 2/3/4/6/8 pole structure complete all as specified and directed.

Taking down and Supply and fix gang operated air break switch (Porcelaion/Polymeric as per approval) of 22KV Triple pole, mechanically operated,mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 amps, including locking arrangement including lever lock navtal with 3 keys and fixing on existing 2/3/4/6/8 pole structure complete all as specified and directed.

S & F in replacement DO fuse element 11 KV ratings, 10-50 Amps Capacity complete all as specified and directed.

S&F in replacement drop out (DO) fuse unit expulsion type (Porcelaion/Polymeric), outdoor type 200 amps rating single pole mounted on two insulator fixed to and including MS channel with nuts bolts washers etc. synthetic bounded fuse carrying tube complete with HT fuse element 25A capacity for HT 11 KV working pressure and fixing on existing four pole structure including taking down old unserviceable DO fuse unit complete all as specified and as directed.

S&F in replacement drop out (DO) fuse unit expulsion type (Porcelaion/Polymeric), outdoor type 200 amps rating single pole mounted on two insulator fixed to and including MS channel with nuts bolts washers etc. synthetic bounded fuse carrying tube complete with HT fuse element 25A capacity for HT 22 KV working pressure and fixing on existing four pole structure including taking down old unserviceable DO fuse unit complete all as specified and as directed.

S&F in replacement drop out (DO) fuse unit expulsion type (Porcelaion/Polymeric), outdoor type 400 amps rating single pole mounted on two insulator fixed to and including MS channel with nuts bolts washers etc. synthetic bounded fuse carrying tube complete with HT fuse element 25A capacity for HT 22 KV working pressure and fixing on existing four pole structure including taking down old unserviceable DO fuse unit complete all as specified and as directed.

M & L for testing and fault locating of HT underground cable with the help of cable fault locating machine at site complete all as specified and directed. Note:- The quoted rate shall deemed to be included the cost of transportaion of machine to and from site and any rental charges for the machine. Locating of faults at one site will be measured as one Job irrespective of the number of faults. Rectification of fault will be measured and paid separately under relevant items seperately

S&F in replacement of cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm includingntaking out old one complete all as specified and directed.

All as per item no 19.00 above but heat shrinkable outdoor termination joint of size 120 to 185 Sqmm size complete all as specified and directed.

S&F in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 95/120 Sqmm HT cable includingntaking out old one complete all as specified and directed.

S&F in replacement of cable jointing kit for 22 KV (earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 to 120Sqmm includingntaking out old one complete all as specified and directed.

All as per item no 22.00 above but heat shrinkable outdoor termination joint of size 185 Sqmm size complete all as specified and directed.

S&F in replacemnt of cable jointing kit for 22 KV (earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 - 185 Sqmm includingntaking out old one complete all as specified and directed.

S&F in replacement of Cable jointing kit for 22 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable up to 185 Sqmm HT cable includingntaking out old one complete all as specified and directed.

Taking out old unserviceable HT cables any type including protection pipes of any description from trenches/ poles/ transformers of any size and removing unserviceable materials from site complete all as specified and as directed. Note:- Excavation & earthwork shall be measured & paid separately under relevant items.

Supply, Laying, Jointing, commisssioning & testing in replacement HT UG cable XLPE insulated, earthed, screened, PVC bedded, armoured heavy huty electric cable with aluminium conductor, 11000 Volts grade of size 95 sqmm drawn through pipe or laid in trenches, fixed on poles etc. complete all as specified and as directed.

All as ser per item no. 27.00 above but size of cable 11 KV, 120 Sqmmx 3 core complete all as specified and directed.

All as ser per item No. 27.00 above but size of cable 22 KV, 95 Sqmmx 3 core complete all as specified and directed.

All as ser per item No 27.00 above but size of cable 22 KV, 120 Sqmmx 3 core complete all as specified and directed.

M & L for excavating in trenches, for foundation of poles, stays or for laying of cables, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and as directed.

All as per Ser. Item No. 31.00 above but in soft/loose soil complete all as specified and as directed.

M & L for excavating in trenches, for foundation of poles, stays or for laying of cables, exceeding 1.5 mtr wide and exceeding 1.5 mtr but not exc. 3.0 mtr in depth and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material (soil) n.exc.50m and depositing where directed at a level n.exc. 1.5 m above the starting point complete all as specified and directed.

M & L for Cutting of road/hard standing and making good with PCC (1:2:4) using 20mm graded stone aggregate complete all as specified.

M & L for Reinforced concrete pipes of dia 150 mm 2 nos half round (each of 1 RM long for bottom and top ) including taking down and excavated area shall be levelled before laying as specified and directed.

M & L for plain cement concrete type D2 1:4:8 (using 40mm graded stone aggreagate) for sub base of poles, complete all as specified and as directed.

M & L for plain cement concrete type C2 1:3:6 (using 40mm graded stone aggreagate) for foundations/filling mass of poles, stay assembly, struts, etc. complete all as specified and as directed.

M & L for plain cement concrete type B1 (1:2:4) (using 20mm graded stone aggreagate) as in coping of poles including necessary form work complete all as specified and as directed.

S & F in replacement for 80 mm dia GI pipe ‘light grade’ with all fittings for protection of cable laid on road crossing, drain crossing, laid in floor or fixed to iron structures/poles complete all as specified and directed. Note :-The GI pipe should be fixed with pole by MS clamps and the MS work should be measured and paid separately.

All as per item No 41.00 above but for 100 mm dia GI pipe complete all as specified and directed.

S&F in replacement HT cable route indicator made of Cast iron size (100mm dia, 6mm thick) and length of angle iron 40 x40 x 5 mm with nut, bolt & washers fixed in PCC (1:3:6) type C-1 using 20mm graded stone aggregate block cast in situ of size 0.2x.2x.3mtr complete all as specified and as directedby Engr-in-Charge.

M & L for Repair/maint/servicing in site of 11/22 KV gang operated mechanical air break switch 200/400 Amps capacity including replacing defective parts if any and greasing the moving parts with silicon grease complete all as directed. Note:- (a) Spare parts/materials replaced (if required) during servicing will be measured and paid seperatelly under relevant items of the schedule as supply only.

S & F in replacement moving contact blade for air break switch GOD for 11/22 KV complete all as specified and directed.

S & F in replacement fixed contact jaw for air break switch GOD for 11/22 KV complete all as specified and directed.

S & F in replacement tinned copper flexible jumper 200/400 Amp for air break switch GOD for 11/22 KV complete all as specified and directed.

S & F in replacement MS jumper carrier for air break switch GOD for 11/22 KV complee all as specified and directed.

S & F in replacement fixed back connector for air break switch GOD for 11/22 KV complee all as specified and directed.

S&F in replacement operating rod of switch air break gang operated triple pole medium grade of size 25mm dia conforming to IS 1239 of 1990 for fixing as fixed with galvanized steel frame including necessery welding, nuts, bolts or washers etc all as directed by Engineer -in -charge .

M&L in replacement of HT 22 KV pin insulator (Porcelaion/Polymeric as per approval) including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut of standard size complete all as specified and directed by Engineer Incharge.

Supply and fix in replacement pin type insulator, (Porcelaion/Polymeric as per approval) , vitreous, white/brown including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut 150 mm height 150 mm dia 11000 volt grade all as specified.

M&L for HT bus bar for 2/4/6/8 pole structure made out of aluminium tube having outer dia 32 mm and 06 mm thick suitable for 11/22 KV complete with all suitable joints with S S nut bolts etc and colour sleeve as per colour code incl dismantling old unsv busbar complete all as specified and directed by Engineer Incharge.

Supply and fix aluminium busbar strip type with colour code of size 25 x 5 mm including all necessary clamps nuts bolts, grinding/hole complete fixing all as specified and directed.

Servicing, repair and testing of 22 KV, HT VCB Schneider Electrical with breaker as under :- (a) Cleaning of all chambers in panel like breaker , Bus bar, Spout etc by CRC. (b) Tightness, cleaning of all hardwares in all chambers (c) Greasing of all mechanical interlocks and breaker mechanism, movable parts. (d) Applying Jelly in isolating contact, spout connections , (e) Rack in - Rack out operation and setting. (f) Setting of wheel assembly of breakers. (g) ON/OFF & Snatch gap setting. (g) Tripping test in overload and earth fault position by external current injecting Kit on both primary & secondary sides (h) Meggar testing between phase to phase and phase to earth in ON / OFF position both Note:- Inspection , maint, repair and testing of VCB rates are included in the same item. Small nut,bolt, washer, any type of wiring in the panel and its adjustment, insulation tape and minor parts to be inculded in the above quoted rate. Other Spare parts for VCB to be measured and paid separately as supply only items. The location of VCB is at AFMC premises.

Caliberation of relays of 22 KV, HT VCB Schneider Electrical by secondary and primary injection, replacement of defective operating handles, checking of under voltage, over current relays and replacement of UNSV parts of master relays complete all as specified and directed by Engineer Incharge.

S&F testing and installation in replacement of Trip supervisory relay having On and Fault indicator TYPE : Ashida ATSR31A , Aux: 24/30VDC or equivalent make compatible with the VCB Panels all as specified and directed by Engineer Incharge.

S&F testing and installation in replacement Master Trip Relay TYPE : Ashida AVAJH13 VOL: 24-30 VDC, Cont : 3 NO + 2 NC HR, Ser No 14EJH130116 or equivalent make compatible with the VCB Panels all as specified and directed by Engineer Incharge.

S & F in Replacement of front glass of VCB panel with new toughened/tempered glass of existing type and size (Approximate 30 cm x 60 cm), including supply and fixing of suitable size rubber beading/gasket for proper sealing and fitting. All work to be carried out as per site conditions and as specified and directed by the Engineer-in-Charge.

S & F in Replacement of front glass of VCB panel with new toughened/tempered glass of existing type and size (Approximate 25 cm x 30 cm ), including supply and fixing of suitable size rubber beading/gasket for proper sealing and fitting. All work to be carried out as per site conditions and as specified and directed by the Engineer-in-Charge.

Supply, fixing, and testing in replacement (including taking down) of support insulators and associated mechanical supports (metal clamps/brackets/base frames) suitable for 22 kV VCB panels, of any type and size, complete with all accessories as required for proper mounting and electrical insulation of busbars or live components. All work shall be carried out as per standard specifications and as directed by the Engineer-in-Charge.

S&F in replacement of Indication lamp LED-(RED/Green/ Amber / White / Clear /Blue) all as per existing type and size and as specified and directed by the Engineer-in-Charge

Supply, fixing, and testing in replacement (including taking down) of Circuit breaker coil like Close coil /Shunt Trip Coil/Series Trip Coil 24/30V DC all as per existing type and size and as specified and directed by the Engineer-in-Charge.

Supply, fixing, and testing in replacement (including taking down the old one) of Spacer Heater all as per existing type and size and as specified and directed by the Engineer-in-Charge

Supply, fixing, and testing in replacement (including taking down the old one) of Thermostate 30-90 degree all as per existing type and size and as specified and directed by the Engineer-in-Charge

Supply, fixing, and testing in replacement (including taking down the old one) of NO/NC Contacts all as per existing type and size and as specified and directed by the Engineer-in-Charge.

Supply, fixing, and testing in replacement (including taking down the old one) of Motor and gear assy 220V AC/DC all as per existing type and size and as specified and directed by the Engineer-in-Charge.

Supply, installation, testing and commissioning in replacement of existing one of 22KV Voltage Transformer with the following specification - Indoor & Resin cast type Primary Voltage 22000 V/RT3, Secondary Voltage 110V/RT3 , Burden - 100 VA, Insulation Level HSV/IL-24/50/125 KVP, Accuracy Class 1, Freq- 50 Hz, Voltage Factor -1.2 Cont & 1.9 for 8 Hrs fixing on existing 22 KV panel including necessary connections, any modification required, addition/alteration required for fixing in existing panel after removing the old one. The material to be synchronoised with the present system complete all as specified and directed.

Supply and fixing, testing, and installation in replacement Power Pack with battery backup having input 230 V AC and output 24 V DC, Model No. APP 230024, Serial No. PP14060742 or equivalent, compatible with the existing VCB panel. Scope includes: Dismantling and removal of old, unserviceable power pack Installation of new power pack including all necessary wiring, terminations, and mounting hardware Ensuring compatibility with existing VCB panel, after removing the old one. Complete testing and commissioning as per standard specifications, The material to be synchronoised with the present system complete all as specified and directed.

Supply, installation, testing and commissioning in replacement of 22 KV Current Transformer with Indoor & Resin cast type for out Door Type VCB Ration 100/50/5+5A, Core 15 VA/CL 1, Frequency 50 HZ, Core 2 15 VA/5P10, SEC ON P2 Side, Str 25 KA/1 Sec , BIL - 24/50/125 KVP or all as per existig capacity and type and compattibility including necessary connections, any modification required, addition/alteration required for fixing CT in existing 22 KV panel after removing the old one. The material to be synchronoised with the present system complete all as specified and directed.

S&F in replacement of charging grear any type and size (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. The material to be synchronoised with the present system complete all as specified and directed.

Supply and fixing in replacement of Rack in out grear any type and size (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. The material to be synchronoised with the present system complete all as specified and directed.

S&F in replacement of vaccum interpetor set (stud/non stud type) (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. The material to be synchronoised with the present system complete all as specified and directed.

S&F in replacement of Jaw contact (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. All as per existing size and type. The material to be synchronoised with the present system complete all as specified and directed by EIC.

S&F in replacement of Trip Neutral and close switch (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. All as per existing size and type. All as spd and directed by EIC. All as spd and directed by EIC.

S&F in replacement of 3 Phase Voltmeter Schneider Electric model No Conzerv, DM3210 or equivalent type and size to match the HT Panel configuration (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. All as specified and directed by EIC. The material to be synchronoised with the present system.

S&F in replacement of 3 Phase Ampere meter Schneider Electric model No Conzerv, DM3110 or equivalent type and size to match the HT Panel configuration (including taking down the old one) for 22 KV, HT VCB Schneider Electrical. All as specified and directed by EIC. The material to be synchronoised with the present system.

Pruning / trimming the branches of trees alongwith overhead line of any description, 3 mtr on all side below/ above/ sides of overhead line and removing, disposal as the same upto 150 mtr away complete all as specified and directed by Engineer-in-Charge Note : The above is to be ensured for the entire contract period by cutting/trimming of trees any number of times as required.

Pruning / trimming the branches of treesat 8/6/4 / 2 pole structure complete and removing, disposal as the same upto 150 mtr away complete all as specified and directed by Engineer-in-Charge Note : The above is to be ensured for the entire contract period each month by cutting/trimming of trees any number of times as required.

Surface excavation n exc 30 cm depth and averaging 15 cm depth and getting out in soil any type including clearing away all grass and vegitation saplings, shrubs, bushes, undergrowth roots and removing rubbish upto a distance n exc 50 mtrs outside the perifery of the transformer/ 2 pole /4 pole structure/ feeder pillar area. Note:-The contrator will ensure that no vegiation grows during the contract period on the area so excavated.

M & L for loose filling of aggregates of gauge up to 40 mm all-round the transformer platform complete all as specified and directed.

S & F in replacement danger notice plate of 1.6 mm thiick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps,. Bolts and nuts of approved size, for HT 25X20 cm size complete all as specified and as directed

S&F chain link fencing 4mm dia galvanised steel wire, made up into mattresses or cages, lapped, wired and laid in position, including closing and all necessary connections to the exisitng poles and with one coat of aluminium paint complete all as specified and directed.

M&L for fabrication, supply, fixing, and commissioning of box-type display boards (minimum size 1.5m x 1m x 0.2m) made from 3mm thick ACP sheet with English alphabets/numerics cut from 3mm acrylic sheet, neatly pasted. The board shall have flushed LED strips along the inner sides and be fixed at an appropriate height from the ground using medium-grade GI pipes with proper grouting, cement work, and painting. Includes necessary fixing on roof/wall as per site requirement and taking down old boards of any type. Note: (a) Contractor must submit a dimensioned paper printout for approval before fabrication. (b) Display content, ACP sheet colour, and LED strip colour will be as directed by Engr-in-Charge. (c) Quoted rate includes all labour, materials, fixing arrangements, and electrical connections as specified.

Supply and laying in replacement 3.15cm thick synthetic rubber mat Confirming to IS:15652 2006 and relavant IS along with suitable adhesive/chemibound, PU Resin, water proofing compound and sealing material suitable for working Voltage up to 22KV with trolley movement complete all as specified and as directed by Engineer-in-Charge.

M&L for scrapping out and cleaning of existing deteriorated old aluminium paint and painting of HT two pole structure including cross arms, supports, angle, clamps and all other items in the structure with one coat of aluminium paint complete all as specified and directed by Engineer Incharge.

M&L for scrapping out and cleaning of existing deteriorated old aluminium paint and painting of HT four pole structure including cross arms, supports, angle, clamps and all other items in the structure with one coat of aluminium paint complete all as specified and directed by Engineer Incharge.

M&L for scrapping out and cleaning of existing deteriorated old aluminium paint and painting of HT eight pole structure including cross arms, supports, angle, clamps and all other items in the structure with one coat of aluminium paint complete all as specified and directed by Engineer Incharge.

M&L for Painting of HT meter box after cleaning the body surface by rubbing with emery Paper to remove oil stains, dust etc and applying one coat of synthetic enamel paint complete all as specified and directed.

M&L for chemical earthing with GI Electrode 3 mtr long consist of GI pipe outer dia 76mm and GI pipe inner dia 32 mm inner space should be compacted with dry chemical compound for enhancing conductivity all including boring installation, transportaion, earth work and sufficient qty of ground enhancing backfil compound testing of soil condition, PVC pit cover and GI strip 32X6 mm up to up to 7.5 mtrs long etc complete all as specified and directed by Engineer Incharge. (For transformer, GOD, LA etc)

M & L for Dehydration and filtration of transformer oil at different locations in situ with filtration machine and heating system to get Di-electric strength of oil above 40 KV per milimeter minimum without disturbing the power supply system complete all as specified and as directed. Note: Any requirement of transformer Oil for filling/ topping up shall be measured and paid separately under relevant items

Supply, filling & toping up new transformer oil up to desired level complete all as specified and as directed. Note: Dielectric strength of oil shall not be less than 50 KV/mm while toping up.

M&L for Opening top cover from transformer of following capacity at site for replacement of old unserviceable spares/components & reassembling & testing complete all as specified and as directed by Engr-in-Charge: - Note:- Unserviceable spare/components parts shall be measured and paid separately here-in-after under relevant item

a) 100 to 200 KVA for 11kV

b) 250 to 750 KVA for 11kV

c)100 to 250 KVA for 22 kV

d) 315 to 500 KVA for 22 kV

Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity as following, 11/0.433 KVolts transformers.

(a) 100 KVA to 200 KVA

(b) 250 KVA to 500 KVA

(c) 630 KVA to 750KVA

Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity as follows, 22/0.433 KVolts transformers.

(a) 100 KVA to 250 KVA

(b) 315 KVA to 500 KVA

Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity as follows, 11/0.433 KVolts transformers .

(a) 100 KVA to 200 KVA

(b) 250 KVA to 500 KVA

(c) 630 KVA to 750KVA

Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity as following, 22/0.433 KVolts transformers.

(a) 100 KVA to 250 KVA

(b) 315 KVA to 500 KVA

Supply only brass spindle/stud on LT side as per existing size, shape and specification for capacity as follows, 11/0.433 KVolts transformers.

(a) 100 KVA to 200 KVA

(b) 250 KVA to 500 KVA

(c) 630 KVA to 750KVA

Supply only brass spindle/stud on LT side as per existing size, shape and specification for capacity as follow, 22/0.433 KVolts transformers .

(a) 100 KVA to 250 KVA

(b) 315 KVA to 500 KVA

Supply only brass spindle/stud on HT side as per existing size, shape and specification for capacity as follows 11/0.433 KVolts transformers.

(a) 100 KVA to 200 KVA

(b) 250 KVA to 500 KVA

(c) 630 KVA to 750KVA

Supply only brass spindle/stud on HT side as per existing size, shape and specification for capacity as follows 22/0.433 KVolts transformers.

(a) 100 KVA to 250 KVA

(b) 315 KVA to 500 KVA

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 100 to 750 KVA , any type and size transformers complete all as specified and directed.

Supply only breather assembly as per existing size, shape and specification complete for capacity 100 to 750 KVA, 22 or 11 KV/0.433 KVolts transformers complete all as specified and directed.

M & L for preparation of old painted steel or iron surfaces of 100 KVA to 300 KVA transformer by scrapping with steel wire brush/scrapper emery paper etc and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed Note: The contractor shall sought for shut down of power supply from the Engr-in-Charge before commencing the work, and shall intimate and restore electric supply as early as possible after completion of the work

All as per ser item No. 105.00 above but transformer capacity 315 KVA to 750 KVA complete all as specified and directed.

Replacement of existing unserviceable silica jel with new crystal clear silica jel for the breather assembly of transformer all as shown and directed by Engineer Incharge.

M & L for disconnection of HT/LT connection, earthing lead and taking down carefully defective Transformer of capacity of 100 to 750 KVA, 11/22 KV/433 Volt from 2/4 pole structure/Platform including transportation to factory/ workshop and draining out existing transformer oil, opening the top cover of the transformer, by removing nut, bolts, washer etc and lifting the core and winding after removing LT/HT spindle with bushing and cleaning the yoke and winding/core,spindle bushing and replace the worn out nut, bolts, washer gaskets etc with provision of cork sheets of 6mm thick (best quality) and filling the transformer oil which was removed earlier, through stream line filter after dehydration and back to site after necessary repair & lifting of Transformer to its original position including necessary testing complete all as specified and directed. (Note:- (i) Gasket set, LT/HT side ceramic bushing, spindle for HT/LT side, rewinding, dehydration of oil shall be measured and paid separately under respective items. (ii) The cost includes the cost of transportation of transformer from and back to site and any damage occured during transportation shall be the responsibilty of the contractor and necessary Insurance of transformer may be got done by contractor at his own cost to avoid any mishappening during transportation and a copy of same shall be submitted.)

a) 100 to 200 KVA for 11 kV

b) 250 to 750 KVA for 11 kV

c) 100 to 500 KVA for 22 kV

S&F in replacement of 11/22 KV HV/LV coils,using new copper wire/strip of proper size including all insulating materials (double insulation)as per existing size of core of transformer complete incl heating , varnishing all as directed . Note :- (i) HV and LV windings shall be wound from Super Enamel covered /Double Paper covered ,copper conductor/ coil. (ii) Current density for HV and LV winding should not be more than 2.8 Ampere per sq mm for copper and 1.6 Ampere per sq mm for Aluminium Conductor. (iii) The core/coil assembly shall be securely held in position to avoid any movement under short circuit conditions. (iv) Joints in the winding shall be not allowed .

Supply only Tap Changer as per existing size, shape and specification complete for capacity as follows, 11/0.433 KVolts transformers :-

(a) 100 KVA to 200 KVA

(b) 250 KVA to 500 KVA

(c) 630 KVA to 750KVA

Supply only Tap Changer as per existing size, shape and specification complete for capacity 22/0.433 KVolts of the following size transformers:-

(a) 100 KVA to 250 KVA

(b) 315 KVA to 500 KVA

Material and labour to arrest the leakage of Transformer Oil from the body or bushing HT/LT sides of Transformer capacity 11KV/22 KV, 100 to 200 KVA including the followings:- (a) Taking down the top cover and refixing after replacing duly pasted with gasket. (b) Taking out the transformer Oil from the transformer upto the level suitable to carry out the repair work. (c) Taking out the bushings and replacemnt by new bushing (set of three) duly complete with suitable gasket nuts, bolts and washers and all connected accessories complete. (d) Refilling of Transformer Oil after completion of repair work and ensure that the Leak has been arrested. (e) Reassembling complete and testing and commissioning.

All as per item No 120.00 but for 315 KVA to 500 KVA complete all as specified and directed.

All as per item No 120.00 but for 630KVA to 750 KVA complete all as specified and directed.

All as per item No 120.00 above but 22 kV of capacity 100-500 KVA complete all as specified and directed.

M&L for Construction of Plinth of size 2.0mx 2.0mx1.5m for transformer, using 100 mm thick PCC 1:4:8 type D-2 as in lean concrete, flyash brick masonry in CM 1:6, the top of the plinth shall consist of 100 mm thick PCC 1:2:4 type B-1 (using 20mm graded stone aggregates) over 75 mm thick PCC 1:4:8 type D-2 over compacted moorum filling, 10 mm thick rendering in CM 1:4 on brick surface with and including 25 cm thick stone aggregates of size 12.5 mm all around upto and including 1.5 m from the edge of the plinth directed by the Engineer-in-charge Note : The quoted rate shall include necessary demolition and site clearance of old plith of transformer also

Shifting of Transformer 200/400/500/750 KVA from one place to another after disconnection of LT & HT Side Connections, Installation, Commissioning and connecting LT & HT Side Connections, complete all as specified and as directed. (Note :- (i) Transportation charge for shifting transformer shall deemed to be included in above said job and nothing extra on this account will be admissible. (ii) Insurance of transformer shall be got done by contractor at his own cost to avoid any mishappening during transportation of transformer and a copy of same shall be submitted to GE/EIC)

Star Electrical (BID ID -3460276)

SBS Enterprises (BID ID -3460935)