CWE/AF AMB/SAR-44/2025-26 REPAIR MAINT OF HT OH LINES UG CABLES TRANSFORMERS AND OTHER CONNECTED ITEMS AT DOMESTIC AND TECHNICAL AREA AT AF STN SARSAWA UNDER GE AF SARSAWA

Amount

M&L winding of Transformer/AVR any capcity at LT side with copper strip of suitable size / gauge, fixing the coil in the position in core assembly and making connection as per original pattern including providing insulation, complete all as specified & directed.

M&L winding of Transformer/AVR any capcity at HT side with super enamelled copper wire of suitable size / gauge, fixing the coil in the position in core assembly and making connection as per original pattern including providing insulation, complete all as specified & directed.

S&F Tap changer switch suitable for transformer 50KVA to 200KVA complete all as specified & directed.

S&F Tap changer switch suitable for transformer 250KVA to 630KVA complete all as specified & directed.

M&L Oil temperature gauge /thermometer suitable for transformers of any make, model , location etc with shape and size as existing at site complete all as specified & directed.

S&F HT bush assembly made out of brass with heavy duty brass complete with brass spindle, nuts, bolts, washers etc without bushing insulators all as per existing size, shape and length suitable for 50KVA to 63 KVA capacity transformers complete all as specified & directed..

Description all as per BOQ item No. 7.00 here-in-above but for 100 KVA to 200 KVA capacity transformers.

Description all as per BOQ item No. 7.00 here-in-above but for 250 KVA to 630 KVA capacity transformers.

S&F LT bush assembly made out of brass with heavy duty brass complete with brass spindle, nuts, bolts, washers etc without bushing insulators all as per existing size, shape and length suitable for 50KVA to 63 KVA capacity transformers complete all as specified & directed.

Description all as per BOQ item No. 10.00 here-in-above but for 100 KVA to 200 KVA capacity transformers.

Description all as per BOQ item No. 10.00 here-in-above but for 250 KVA to 630 KVA capacity transformers.

S&F 11 KV porcelain bushing insulators for HT side, outdoor/indoor type transformer of capacity 50KVA to 63KVA as per IS-2099 of 1973 complete all as specified & directed..

Description all as per BOQ item No. 13.00 here-in-above but transformer of capacity 100KVA to 200KVA

Description all as per BOQ item No. 13.00 here-in-above but transformer of capacity 250KVA to 630KVA

S&F 433 volt porcelain bushing insulators for LT side, outdoor/indoor type transformer of capacity 50KVA to 63KVA complete all as specified & directed..

Description all as per BOQ item No. 16.00 here-in-above but transformer of capacity 100KVA to 200KVA

Description all as per BOQ item No. 16.00 here-in-above but transformer of capacity 250KVA to 630KVA

S&F cork sheet gasket, 6 mm thick, superior quality, on top cover plate of the transformer 50KVA to 630 KVA complete all as specified & directed.

S&F in replacement gun metal globe or gate valve 20/25 mm bore, ISI marked, class-2 with spindle and iron wheel head, screwed both ends for iron pipe with & including fittings and fixtures complete all as specified & directed.

Taking down/out old unservieable air break gang operated switch, removing GOD including supply and installing Switch Air break gang operated, triple pole, for horizontal or vertical operation, mechanically operated, mounted on 12 insulators and steel frame with operating mechanism & operating rod of 25mm bore, medium grade GI pipe from ground level with locking arrangements, 200 Amps rating 11000 volts working pressure including making electrical connections to make it functional after testing complete all as specified & directed.

S&F in replacement HT/LT side cable box cover plate made out of MS sheet of 16 SWG complete with nuts, bolts, washers, gasket & painting suitable for indoor/outdoor type transformer of capacity 50KVA to 630KVA complete all as specified & directed..

Taking out breather assembly from the transformer of any make, capacity 50KVA to 63 KVA, removing of moisturized/unserviceable silica gel with and including supply of new breather assembly and pouring of silica gel with fresh deep blue coloured silica gel all as per existing at site complete all as specified & directed..

Description all as per BOQ item No. 23.00 here-in-above but capacity 100KVA to 200KVA

Description all as per BOQ item No. 23.00 here-in-above but capacity 250KVA to 630KVA

Disconnecting of all HT/LT cable & earthing connections of transformer of capacity 50KVA to 63KVA, 11KV/433volt, 3 phase, any make, from pole/plinth with the help of crane, transportation to workshop to carryout overhauling/serviceing of transformer comprising of following services complete all as specified & directed:- (i) Opening of top cover, disconnecting winding connection from bushing and taking out carefully core assembly complete with winding (ii) Draining out of transformer oil from chamber (iii) Checking compactness of core & tightening the same wherever required (iv) Chemical washing of winding to remove dirt, dust & carbon particles. (v) Cleaning of oil tank to remove oil sludge followed by painting inner surface of tank with zinc chromate base paint (vi) Refixing of core & winding assembley and making connection with HT/LT bushing (vii) Replacement of worn out gaskets nut/bolts with new one. (viii) Refilling the transformer oil after filtering/dehyderation or filling new transformer oil. (ix) Satisfactory testing of transformer on full load.

Description all as per BOQ item No. 26.00 here-in-above but transformer of capacity 100KVA to 200KVA

Dehydration/centrifuging transformer oil by means Ultra High Vaccum double stage machine to remove impurities from oil such as moisture, dirt, air and other gases at site of installation in running condition of transformer including testing the oil before and after centrifuging from top and bottom of transformer to achieve the BDV value more than 45KV(rms) at 2.5mm air gap complete all as specified & directed.. Notes:- (i) Oil Test value record register shall be prepared in presence of Engineer-in-charge/JE and handed over the register to sub division on completion of work. (ii) The contractor is required to submit the di-electric repot after dehydration and filtration of each transformer before claiming payment. (iii) DG set shall be arranged by contractor at his own cost for dehydration machine.

Supply & filling in replacement transformer oil of dielectric strength not less than 50KV to comply IS-335 of 1993 for topping up in different existing Transformers/AVR of any capacity located and installed at different places and different height complete all as specified & directed. Note:The transformer oil shall be brought at site and then as per requirement, oil should be shifted to next site.

Preparation of external surfaces of transformer of capacity 50KVA to 200 KVA for painting including fins/radiators, removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation of transformer including writing SM/MES number, capacity of transformer etc. with black synthetic enamel paint complete all as specified & directed.

Description all as per BOQ item No. 31.00 here-in-above but transformer of capacity 250KVA to 315KVA.

Description all as per BOQ item No. 31.00 here-in-above but transformer of capacity 400KVA to 630KVA.

M&L cleaning and preparation of surfaces of HT steel tubular poles (six pole structure having channels upto 54 Nos. of length upto 2.5 mtr, various angle, clamps, anti-climbing device) with emery paper, filling the voids with suitable filler materials and applying two coats of aluminium paint over & including one coat of zinc oxide primer to poles, cross arms, brackets, hooks, junction box, stay clamps with and including making yellow & black strip 30cm wide (5 Nos) upto 1.5 mtr from PCC coping and marking the numbering on poles with synthetic enamel paint complete all as specified & directed.

M&L cleaning and preparation of surfaces of HT steel tubular poles (four pole structure having channels upto 28 Nos. of length upto 2.5 mtr, various angle, clamps, anti-climbing device) with emery paper, filling the voids with suitable filler materials and applying two coats of aluminium paint over & including one coat of zinc oxide primer to poles, cross arms, brackets, hooks, junction box, stay clamps with and including making yellow & black strip 30cm wide (5 Nos) upto 1.5 mtr from PCC coping and marking the numbering on poles with synthetic enamel paint complete all as specified & directed.

M&L cleaning and preparation of surfaces of HT steel tubular poles (two pole structure having channels upto 07 Nos. of length upto 2.5 mtr, various angle, clamps, anti-climbing device)with emery paper, filling the voids with suitable filler materials and applying two coats of aluminium paint over & including one coat of zinc oxide primer to poles, cross arms, brackets, hooks, junction box, stay clamps with and including making yellow & black strip 30cm wide (5 Nos) upto 1.5 mtr from PCC coping and marking the numbering on poles with synthetic enamel paint complete all as specified & directed.

M&L cleaning and preparation of surfaces of HT PCC poles (four pole structure having channels upto 28 Nos. of length upto 2.5 mtr) and applying two coats of exterior cement base paint over & including one coat of primer to poles and applying two coats of aluminium paint over & including one coat of red oxide primer to cross arms, brackets, hooks, junction box, stay clamps, and making yellow & black strip 30cm wide (5 Nos) upto 1.5 mtr from PCC coping and marking the numbering on poles with synthetic enamel paint complete all as specified & directed.

M&L cleaning and preparation of surfaces of angle iron by emmery paper and applying two coats of synthetic enamel paint over & including one coat of zinc oxide primer to angle iron and two coats of aluminium paint to chain link fencing around the transformer yards of size 5 mtr x 5 mtr with and including applying two coats of exterior cement base paint to external surfaces of transformer's platform including stairs etc. complete all as specified & directed.

Supply & laying in replacement Synthetic Rubber insulated mat 2.50mm thick for voltage upto 11 KV for electrical purpose as per IS-15652 of size 2 mtr x 1 mtr complete all as specified & directed.

Supply, laying, jointing, testing & commissioning in replacement HT XLPE cable (heavy duty), 11000 volts (earthed), cross sectional area 95 Sqmm, 3 core, insulated, screened, sound compacted aluminium conductor, screening with extruded semi conducting layers, insulation screening with copper tape covers laid up with PVC (ST-2), extruded inner sheathed GI strip armoured PVC (ST-2) out sheathed, ISI marked with IS-7098 Part II with amendment upto date, laid in trenches /pipes /ducts or fixed along poles/ walls etc. complete all as specified & directed.. Notes:-(i) Cable shall be of manufacturing date not earlier than Nov 2024. All the cable shall be embossed with year of manufacturing, meterage at every metre, in addition to its own standard markings as per IS i.e. Size, voltage etc. (ii) Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured & paid separately.

Excavation in trenches, not exceeding 1.5mtr wide & not exceeding 1.5mtr in depth; for foundation, laying/taking out pipes/cables etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10sqm on plan & not exceeding 1.5mtr in depth and getting out, in soft/loose type of soil complete all as specified & directed.

Excavation in trenches, not exceeding 1.5mtr wide and exceeding 1.5 mtr but not exceeding 3.0 mtr in depth; for foundation, laying/taking out pipes/cables etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10sqm on plan and exceeding 1.5 mtr but not exceeding 3.0 mtr in depth and getting out, in soft/loose type of soil complete all as specified & directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm thick each in soft/loose type of soil complete all as specified & directed.

Removal of excavated surplus soil to a distance not exceeding 50 mtr & depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified & directed.

Supply & laying un-reinforced precast concrete cable cover , Class HV type-1 flat, size 300mm x 180mm x 40mm, laid flat for protection of cable , adjacent to each other, perpendicular to central axis of electric cable complete including taking out old bricks all as specified & directed.

Material and labour sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cm deep after laying the cable (punned down to 18 cm depth after laying and stretching of cable ) complete all as specified & directed.

M&L in replacement double wall corrugated (DWC) HDPE pipe outer dia 90mm & inner dia 75mm as per IS 14930(part-2):2001 with end cap laid as in trenches / under road / under floor or fixed to wall / pole with fixing arrangement with suitable size of MS clamps for cable protection complete all as specified & directed. .

S&F in replacement cable jointing kit for 11000 volt earthed grade, straight through, heat shrinkable type joints with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sqmm complete all as specified & directed.

S&F in replacement cable jointing kit for 11000 volt earthed grade, outdoor type, end termination heat shrinkable type joints with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50sqmm to 95sqmm complete all as specified & directed..

S&F in replacement cable jointing kit for 11000 volt earthed grade, outdoor type, end termination heat shrinkable type joints with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified & directed.

Cutting the worn out/unserviceable lugs from the cables of size upto 50 Sqmm size with and including supply & fixing lugs after cutting the worn out /faulty cable end from HT/LT side of transformer /LT pillar/panel box including necessary earth work for taking out the cable from loop, returning filling etc and providing aluminium lugs lead including crimping with crimping tools in the existing LT cable and making necessary connections to make it functional complete all as specified & directed.

Description all as per BOQ item No. 52.00 here-in-above but cables of size 70 Sqmm to 120 Sqmm.

Description all as per BOQ item No. 52.00 here-in-above but cables of size 150 Sqmm to 185 Sqmm

Description all as per BOQ item No. 52.00 here-in-above but cables of size 240 Sqmm to 300 Sqmm

S&F composite polymer 11 KV, pin insulator alongwith pin 260 mm long creepage distance 320 mm PF dry/wet withstand voltage KV/mint 65/40 including taking down/out insulators as existing at site complete all as specified & directed..

S&F in replacement HT lightning arresters for outdoor use, non-liner resistor type, horn gap and choking coil, maximum working pressure 11000 volts, transmission class, discharge capacity 65 Kiloampere complete all as specified & directed..

M&L defect rectificatoin of HT 11 KV cable laid in trenches by locating fault with the help of electronic fault locating machine comprising of surge generator pulse, cable route tracer, ECHO fault locator with high frequency distance calculator etc including and additional excavation in normal alluvial strata required for exposing the cable fault, removal of deteriorated potion of cable, treating of cable and keeping the same ready for jointing work for cable of size up to 185 Sqmm 3 core complete all as specified & directed. Note: The fault locating equipments will be brought to site within 24 hours of instruction from Engineer-in-Charge. S&F of cable joints shall be measured & paid seperately.

S&F in replacement 11KV, 10 to 25 Amp, DO fuse complete all as specified & directed.

S&F in replacement 11KV, 30 Amp, DO fuse complete all as specified & directed..

S&F in replacement 11KV, 40 Amp, DO fuse complete all as specified & directed..

M&L in replacement true vertical steel tubular, swaged welded pole conforming to IS-2713 part II , type 410 SP 55, 11 metre long complete with mild steel base plate of 6 mm thick of size 300mm X 300mm, finial taper plug, cap, bolts, nuts, washer and screws hole of required size and Nos. for fixing cross arms including painting externally with two coats of aluminium paint over & including one coat of zinc oxide primer for exposed surface and two coats of black bituminious paint for embeded portion in concrete as well as throughout internally including provision of white & blue colour strips with fluorescent paint upto 1.5 mtr height & nubmering of pole complete all as specified & directed.. Note:- Excavation, earth work and PCC shall be measured & paid separately.

M&L plain cement concrete(PCC) 1:4:8, type D-2 using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc complete all as specified & directed.

M&L plain cement concrete(PCC) 1:3:6, type C-2, using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc complete all as specified & directed.

M&L plain cement concrete(PCC) 1:2:4, type B-1, using 20 mm graded mechanically crushed stone aggregates as in coping to pole/stay/panel etc including necessary formwork to exposed surface finished even & smooth complete all as specified & directed.

S&F Aluminum conductor steel reinforced(ACSR) any type Weasel, Beaver, Ferret, Mink including stretching on insulators with aluminium taps, jumping, binding on poles with minimum sag including binding wire, jointing sleeves, and PG clamps of suitable size including dismantling of old ACSR as existing at site complete all as specified & directed. Notes :- The rates quoted includes (i) Jumper on cutout point, 2 pole/4 pole structure shall be provided with PVC sleeves . (ii) Cutting of branches of trees coming across the OH line.

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 and applying two coats of aluminium paint over & including one coat of zinc oxide primer including dismantling of old unserviceable cross arm as existing complete all as specified & directed..

S&F anti climbing device , spikes type fabricated out of MS bars , round square and flat with and including providing required nuts , bolts, washers etc., welding in two halves, made to shape, to suit the cross section of the pole and applying two coats of aluminium paint over & including one coat of zinc oxide including dismantling of old unserviceable climbing device as existing complete all as specified & directed.

M&L in replacement danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters , figures and conventional skull and bones in signal red colour, fixed with MS clamps , bolts and nuts, for HT of 25 cm x 20 cm size as per SSR Part-I 2009 complete all as specified & directed..

S&F in replacement indoor type cast resin CT Three core ratio 300/150/5/ 5 A class 0.5/5P10 KVA suitable for 11 KV VCB complete all as specified directed.

S&F in replacement indoor type cast resin CT Three core ratio 200/100/5/ 5 A class 0.5/5P10 KVA suitable for 11 KV VCB complete all as specified directed.

S&F in replacement 11 KV feeder protection numerical IDMT relay 3OC + 1EF with instantaneous high set funciton complete all as specified & directed. Make: Model No. CGI 14N of CG or equivalent in ABB or Ashida

Labour for augering upto 100mm bore for road crossing 3 mtr to 10 mtr(in length) not exceeding 1.5 mtr in depth for laying of electric cable and GI tubing in soft/loose soil complete all as specified.

Supply, installation, testing & commisioning outdoor type feeder pillar box suitable for 11 KV, made out of 3.15mm thick MS sheet, powder coated, dust and vermin proof with rain water protection, double door type with locking arrangements of size 1.2mtr X 1.2mtr X 0.6mtr (minimum) with provision of HT 11 KV post insulators. 3 Nos fixed inside with copper busbars 3 Nos. of size 40mm x 6mm, 750mm long with heat shrinkable sleeve for cable connections and danger notice plate, panel to be fixed at 45cm above ground level on brick masonry plateform including 75mm thick PCC (1.3.6), type C1 (using 20 mm graded stone aggregates) around the area upto 1.5mtr in all directions from the panel, cable joints inside the panel provided with suitable insulators and copper bus bars inlcuding dismantling of old feeder pillar box as existing at site complete all as specified & directed.

S&F in replacement post insulator 11 KV porcelain type suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement male/moving contact blade suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement female / fixed contact Jaw suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement Tinned copper flexible jumper 200 Amp suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement MS Jumper carrier suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement back connector plate suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement operating lever made of MS for verticle mounting suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement operating GI pipe medium grade 25 mm bore length 6 mtr suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement arcing horn made of mild steel suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement Terminal pad made of Copper suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement contact pressure leaf strips suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement phase coupler rod suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement spring with teflon insert suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement terminal connector with bimetallic strip suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

S&F in replacement fuse elements suitable for 11KV GOD at 2 Pole/ 4 pole structure complete all as specified & directed.

Material & labour for Maintenance Free Conductive Concrete Grounding system complete comprising the following all as specified and directed :- (i) Supply of Maintenance Free Earth electrode 1 nos. made of High Tensile low carbon steel circular rod, molecularly bonded copper, UL Certified Rod with Pre-welded clamp with 25kg Milliohms Conductive Concrete Compound. * Copper bodning Thickness- above 254 micron on outer surface. (ii) Copper boned Rod Dia- 17.2 mm UL listed 254 micron copper bonding. (iii) Copper purity is 99.9% (iv) Copper grade is as per IS 191 * Length- 4.5 mtr, 14.76 feet. Concrete Encasing 80mm (v) UL Certified CBR with embrossed marking for genunity. (vi) Meets the requirement as per IS 3043, IEC 60364-5-54, UL 467,IEEE STD 80 Earth Enhancement Compound- (vii) Product-Maintenance free Conductive Concrete compound of 25 kg Bag each (viii) Standard - As per IS - 3043 and IEEE80- 2000, Test certificate from NABL Lab (ix) Resistivity after compression- 0.12 ohms per meter (x) Chemical composition - As per IS Standard (xi) PH should be neutral (xii) Contains corrosion inhibitors so that electrode will not get corroded (xiii) Ultra low resistivity 0.001 ohm meter (xiv) Resistance consistent (xv) Should not depend on moisture for functioning (xvi) Life 50 years with warranty certificate (xvii) ROHS Complying IEC 62561-7 Pit Chamber- Round Value Box:- Supply of Poly Plastic heavy duty U V resistant, weather proof environment friendly earth pit cover with cover of auto-locking facility with 2 knock-out openings are provided for the easy strips between the earth pits. • At Top (Dia)- 252 mm • At Bottom ( Dia )- 334 mm • Height - 260 mm

S&F in replacement 32mm x 6mm GI strip in short pieces on surface or in recess for all interconnecting complete all as specified & directed.

M&L in replacement GI pipe medium grade of size 80 mm bore with all fittings such as socket, union etc complete all as specified and directed.

Supplying, laying, jointing, testing & commissioning under ground XLPE LT electric cable 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor of cross sectional area 150 Sqmm 3.5 core conforming to IS- 7098 (Part-I) 1988 laid as in trenches or fixed along the wall/pole through pipe etc. including taking down/out old unserviceable LT cable any size complete all as specified & directed.

Description all as per BOQ item No. 93.00 here-in-above but cross sectional area 185 Sqmm 3.5 core.

Description all as per BOQ item No. 93.00 here-in-above but cross sectional area 120 Sqmm 3.5 core.

Description all as per BOQ item No. 93.00 here-in-above but cross sectional area 95 Sqmm 3.5 core.

M&L in replacement cable end joints heat shrinkable type for XLPE/PVC insulated and sheathed aluminium conductor cable 1100 Volts 3.5/ 4 core, cross sectional area 70 sqmm to 120 sqmm & testing after jointing complete all as specified & directed.

Description all as per BOQ item No. 97.00 here-in-above but cross sectional area 150sqmm to 185sqmm .

Description all as per BOQ item No. 97.00 here-in-above but cross sectional area 240sqmm to 300sqmm .

Supply & laying old size, common burnt clay, sub class 'B' bricks, designation 75, laid flat & dry for protection of electric cable in trenches, adjacent to each other, perpendicular to central axis of electric cable complete all as specified & directed.

Supply only water & heat resistant CRC aerosol lithium base white grease spray in can of 500ml capacity suitable for lubrication & rust removal of moving /fixed contacts of electric switchgears complete all as specified & directed.

Disconecting primary & secondary side cable and earthing connections of transformers of capacity upto 630 KVA , 11KV/433 volts 3 phase and shifting to open space within the yard with the help of crane for repair / increase of transformer plinth foundation PCC height and shifting back of transformer after proper curing of PCC work of foundation making cable connection all as per original complete all as specified & directed. Note:- PCC/Brick work etc. will be measured & paid saperately.

M&L consolidated broken stone or boulders hardcore of gauge not exceeding 63mm, deposited, spread and levelled in layers not exceeding 15cm thick each, watered and rammed to a true surface complete all as specified & directed.

M&L Brick work with sub class B, burnt clay bricks of old size, designation 75, straight or curved on plan exceeding 6 mtr mean radius, built in cement mortar 1:6 complete all as specified & directed.

Taking down/out old unservieable air break gang operated switch, removing GOD including supply, erection, testing & commissioning of 33 KV isolator 3 pole single throw double break three posts per phase central pole roatating type manually operated in horizontal plane and shall have high pressure relieving type fixing contacts made of hard drawn electrolytic copper. The switch blades forming the moving contacts shall be sliver plated. Each isolator shall be provided with bimetallic clamping type of connector suitable for ACSR conductor 20 sqmm. The isolator shall have on, off indicator pad locking arrangements complete all as specified & directed.

S&F in replacement three phase Ampere meter ranging from 0 Amps to 100 Amps digital type, 11KV rating of size 96mm in square dial complete all as specified & directed.

S&F in replacement three phase Voltmeter ranging from 0 KV to 15 KV digital type of size 96mm in square dial complete all as specified & directed.

S&F in replacement LED indicator lamps set (RED / YELLOW / BLUE) complete all as specified & directed.

S&F in replacement cable jointing kit for 11000 volt earthed grade, indoor type, end termination heat shrinkable type joints with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to185 Sqmm complete all as specified & directed.

M&L fixed contact block complete suitable for 630/800 Amps, 11 KV HT VCBs complete all as specified & directed.

M&L moving contact block complete suitable for 630/800 Amps 11 KV HT VCBs complete all as specified & directed.

M&L closing coil assembly 230 volts AC/ 24 volts DC for VCBs complete all as specified & directed.

M&L Tripping coil with plunger assembly 230 volts AC/24V DC for VCBs complete all as specified & directed.

M&L closing coil plunger with 24 volts DC for VCBs complete all as specified & directed.

M&L spout bushing 11 KV for VCB complete all as specified & directed.

M&L HT 11 KV PT HRC Fuse for VCBs complete all as specified & directed.

Callibration of microproccessor E/F and O/C relay of VCB complete and calibrating with portable relay test kit to set time and fault level and adjustment of setting with according to load & time with main grid for proper functioning complete all as specified & directed.

S&F male female plug of 32 pin suitable for 11 KV VCB complete all as specified & directed.

S&F Jaw contact suitable for 11 KV VCB complete all as specified & directed.

S&F space heater 35 watt with thermostate suitable for 11 KV VCB complete all as specified & directed.

S&F Limit switch compatible with 11 KV VCB complete all as specified & directed.

S&F T&C switch as existing for VCB 11 KV complete all as specified & directed.

S&F Vaccum interruptor type WL-33379 (4 inch dia) suitable for HT VCB 630/800 Amps complete all as specified & directed.

S&F trip push button suitable for HT 11 KV VCB complete all as specified & directed.

S&F shunt trip coil 30 volts DC for HT VCB complete all as specified & directed.

S&F motor and gear assembly 110 volts AC/24V DC UMG-14 type for VCBs complete all as specified & directed.

S&F isolating contact assembly suitable for 630 Amps HT VCB complete all as specified & directed.

S&F in replacement of epoxy resin cast insulator cylinderical shape with capacity 11 KV complete all as specified & directed.

Disconecting HT conductor and Earthing connections of burnt/defective oil cooled 33 KV CT outdoor type of ratio 100/50/5/5 from pole, taking down from site of installation carefully and transportation of the same to workshop for repairs, draining out the oil, dismantling complete and taking out the core assembly and removing brunt out windings, dehydrating the core assembly, reassembling CT after rewinding, filtred/ dehydrated, topping up with new oil, carrying out routine tests, including transportation back to site, testing full load after making conductor and earthing connections complete all as specified & directed.

S&F spring charging motor suitable for 33KV SF6 VCB breaker complete all as specified & directed.

S&F Tripping coil 24volt DC suitable for 33KV SF6 VCB breaker complete all as specified & directed.

S&F Closing coil 24volt DC suitable for 33KV SF6 VCB breaker complete all as specified & directed.

S&F spring charging limit switch suitable for 33KV SF6 VCB breaker complete all as specified & directed.

M&L in replacement Heat shrinkable sleeves suitable for 33 KV HT conductor complete all specified & directed.

S&F in replacement Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 33000 volts grade complete all as specified & directed.

S&F in replacement of post type insulator capacity 33000 volt complete all as specified & directed.

S&F in replacement of CT terminal connector HT side suitable for 33KV complete all as specified & directed.

S&F in replacement of PG clamp aluminium type suitable for 33KV Dog conductor complete all as specified & directed.

M&L preparation of external surfaces of HT 33KV CT oil cooled outdoor type of ratio 100/50/5/5 for painting including fins/radiators, removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number etc with synthetic enamel paint complete all as specified & directed.

M&L preparation of external surfaces of HT 33KV CT oil cooled outdoor type of ratio 50/25/5/5 for painting including, removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number etc with synthetic enamel paint complete all as specified & directed.

M&L preparation of external surfaces of HT 33KV PT 33KV/110V oil cooled outdoor type for painting including , removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number with synthetic enamel paint complete all as specified & directed.

M&L preparation of external surfaces of 33KV VCB SF6 type breaker panel outdoor type for painting including , removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number etc with synthetic enamel paint complete all as specified & directed.

S&F in replacement oil temperature indicator for HT AVR 2 MVA capacity 33 KV output with all connecting accessories as per site requirement complete all as specified & directed.

S&F in replacement winding temperature indicator for HT AVR 2 MVA capacity 33 KV output with all connecting accessories as per site requirement complete all as specified & directed.

S&F in replacement oil temperature indicator for HT power transformer 33/11 KV of capacity 2 MVA capacity with all connecting accessories complete all as specified & directed.

S&F in replacement winding temperature indicator for HT power transformer 33/11 KV of capacity 2 MVA capacity with all connecting accessories complete all as specified & directed.

For Credit Schedule refer tender documents. The amount of credit schedule shall be deducted in total quoted amount of BOQ to arrive contract sum.

Balraj and Co (BID ID -3503500)

ISHWAR ELECTRICALS AND PROCESS SERVICES (BID ID -3498435)

PRATEEK ENTERPRISES (BID ID -3497281)

Raman Electric Trading Co (BID ID -3508449)

bharat contrectors (BID ID -3503223)

R D Bansal (BID ID -3509487)

trinity construction (BID ID -3509188)