REPAIR/REPLACEMENT, MAINT OF TRANSFORMER OF OH LINE HT 11KV/33KV UG CABLES, TRANSFORMER HT OCB/VCB, AND CERTAIN MISC WORKS AT TECH AREA AND DOMESTIC AREA UNDER GE (I) R and D KANPUR

Amount

Providing highly skilled mechanic/ specialist in electric HT breakers/Panels line certified from OEM (Original Equipment Manufacturer) for carrying out the mechanical servicing/overhauling of 33 and 11 KV VCB/SF6 breaker complete (Make-CG/ALSTOM/ABB /OR ANY MAKE ) by drawing out the trolly from existing HT panels with due care after taking proper shut down from concerned staff, opening of l tank, decanning of old carbonised parts and cleaning/decarbonising all mechanical/metal parts with CRC/CTC-226 solution/spray, inspection/ checking of all fixed and moving parts, dressing of male and female contact by using emery paper for fine/smooth contact, meggering of IR value of all HT incoming and out going bushing, providing oil, grease and re-assembling the same by tightening of all connections including checking of alignment for easily movement of breaker for ON/OFF operation with setting of buffer gap adjustment, contact travel allignments , rollar gap , hard or light setting of breaker greasing of all moving mechanism including removing and fixing worn out/cracked/moistured/loosing IR value spare parts ( for which supply of spare parts only will be paid seperately )and fixing the trolly in HT panels and testing, charging the system in presence of Engr in Charge/JE E/M complete all as specified and directed.

Auxiliary switch 7 NO + 7 NC.

Close coil 24/30V DC Make:L&T/Crompton greave/ABB

Shunt trip coil 24/30V DC. Make:L&T/Crompton greave/ABB

Series trip coil 24/30V DC. Make:L&T/Crompton greave/ABB

Power Pack for HT panel VCB for exection of relay.

Supply and fixing of Vaccum intrupter as make of VCB. MAKE: Crompton/ABB

Supply and fixing in replacement of spout of existing make of Vaccum circuit breaker as specifed and as directed at site

Supply and fixing of PT of existing make as specified and as directed at site

Supply and fixing of CT of existing make as specified and as directed at site

Supply and fixing in replacement of T and C switch for VCB as specified and directed at site by Eng-in-Charge

Supply and fixing in replacement of led bulb indicator for VCB as specified and as directed at site

Supply and fixing in replacement of mail and female contacts of VCB of existing make of VCB.Make: ABB/Crompton

Supply and fxing in replacement of mechanism of vcb of existing make as specified and directed at site.Make: Crompton/ABB/GEC

Dismantling existing worn-out 33 KV out door type gang operated air break switch triple pole & Disconnecting from existing system and Supply and installation and testing 33 KV outdoor type ,gang operated Air-break switch triple pole mechanically operated ,mounted on insulator Rotating type Horizental mounting with operating mechanism worked from ground level with 25 mm GI pipe (Med. grade) operating rod of suitable length with an ON-OFF position capacity 400 amps 9 insulator connected and out going with Steel nut bolts and washers all as specified and directed at site Make- PACTIL, Jaipuria brothers, National etc)

Routine and periodical cleaning around the area of out door swith yard of 33 KV Tech area, Chanmari and 11 KV sub stn RB, DRLM, T&GS, Nano & Polymer bldg, P29 transformer etc by cutting and removal/uprouting of unwanted grass/bushes, small trees including surface dressing and leveling by surface excavation wherever required complete in all respect or as directed.

Excavation in trenches in any type of soil not exceeding 1.5 Metre deep and not exceeding 1.5 metre width and getting out including forming bottom surface & sides to required slope/size as directed by the Engineer-in-Charge

Removal of surplus excavated spoil not exceeding 50 Mtr distance and depositing where directed by the Engineer-in-Charge at a level not exceeding 1.5 m above the starting point complete all as specified.

Returning filling in, and including spreading and leveling in layers not exceeding 25 cm thick complete all as specified & directed by Engineer-in-Charge.

Material & labour for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed by Engineer-in-Charge.

Supply and laying un-reinforced precast concrete cable cover HV class type -II with size 450 x 180 x40 mm, all as specified and directed

S&L bricks burnt for protection of cable Sub class 'B' bricks laid dry flat across the cable with length of whole brick complete.

Taking out existing worn out/old PVC insulated cable in 3 core of 95 to 120 Sqmm size of 11000 Volt grade in pieces from trenches making loop for transportation and removal from site after taking proper shut down from MES compitent staff complete in all respect and as directed at site.

Supply laying jointing and testing H.T. XLPE Insulated , Screened PVC bedded ,galvanised steel strip or wire armoured electric power cable(heavy duty) with aluminum conductor 11000 volt(E) grade cross sectional area 95 sqmm 3 core confirming to IS-7098 (Part I ) of 1988 laid in trenches/Duct on pole witth FI CLAMP, Nut bolt ,Aluninum Lugs -as required and directed at site Note- Jionts will be measured and paid seprately.Make: Havells/Finolex/Polycab

All as per item No 25.00 but size of 120 sqmm 3 core

All as per item No 25.00 but size of 300 sqmm 3 core

M&L Heat shrinkable type cable end joint outdoor type suitable for XLPE 300 Sqmm 3 core HT 33 KV (E) cable and testing all as specified and directed with terminate joint and jointing material all as specified. Make: 3M/Dension/Rachyem

All as per item No 28.00 but straight through joint Heat shrinkable 300 sqmm 3 core 33 KV. Make: 3M/Dension/Rachyem

Dismantling existing worn-out old GOD and fixing only 11 KV out door type gang operated air break switch triple pole & Disconnecting from existing system and Supply and installation and testing 11 KV outdoor type ,gang operated Air-break switch triple pole mechanically operated ,mounted on insulator and steel frame with operating mechanism worked from ground level with 25 mm GI pipe (Med. grade) operating rod of suitable length with an ON-OFF position capacity 200 amps with dropout fuse & 12 insulator connected and out going with Steel nut bolts and washers all as specified and directed at site.

Supply and laying GI Pipe light grade 80 mm bore with fittings complete as all as required at site and directed. For cable protection

Providing the cable fault locating Machine with necessary T&P at site for locating exact pin point of fault along with the length of armourd 33/11 KV XLPE/PILCA insulated HT cable complete all as required and directed.

S&Fin replacement of unserviceabile porceline vitreous bushing of required size / shape (suitable for exisiting transformer ) for spindle of transformer of any capacity 400 KVA to 750 KVA 11KV outdoor/indoor type siutable for HT side all as specified and directed

do but 1100 Volts grade suitable for LT side indoor type

S&F in replacement of unserviceable brass spindle duly threded at the end complete with nut bolts and washer suitable for HT side of transformer out door/ indoor type all as specified and directed at site for the following capacity suitable for existing transformer of required size/ shape for spindle of transformer of any capacity up to 400KVA 11000 volts grade indoor type suitble for HT side all as specified and directed

All as above item but suitable for LT side of transformer of 400 KVA to 750 KVA capacity

Supply and fixing Lightning arresters expulsion type complete with all fittings, transmission class,33 KV discharge capacity 65 kilo amp as specifed and as ditrected by E-in Charge. Make: Jaipuria, Rastriya,

Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground (Earth pit not less than 2.25 metre below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to galvanised earth strip 32 x 6.00 mm by means of bolts nuts check nuts and protection with 40 mm dia GI Medium grade pipe and washers of galvanised iron or steel, GI strip 7.5 mtr long and plate surrounded with salt charcoal dust etc and 20 mm bore GI light grade pipe for watering, excavation and earth wire including PCC pit in cement concrete 1:3:6 type CI and 40mm thick pit cover of RCC 1:2:4 type 30 reinforced width 8mm dia MS bar @ 150 C/C both ways, furnel wiremesh and testing after completion complete all as specified and directed.

M&L Heat shrinkable type cable end joint outdoor type suitable for XLPE 120 Sqmm 3 core HT 11 KV (E) cable and testing all as specified and directed with terminate joint and jointing material all as specified..

M&L Heat shrinkable type cable end joint INDOOR type suitable for XLPE 120 Sqmm 3 core HT 11 KV (E) cable and testing all as specified and directed with terminate joint and jointing material all as specified.

M&L Heat shrinkable type cable end joint INDOOR/Outdoor type suitable for XLPE 95 Sqmm 3 core HT 11 KV (E) cable and testing all as specified and directed with terminate joint and jointing material all as specified..

All as per Ser Item No 41.00 but straight through joint Heat shrinkable 120 sqmm 3 core 11 KV

All as per Ser Item No 41.00 but straight through joint Heat shrinkable 95 sqmm 3 core 11 KV

M&L Heat shrinkable type cable end joint outdoor type suitable for XLPE 185 Sqmm 3 core HT cable 33 KV capacity earthed system and testing all as specified and directed with terminate joint and jointing material all as specified. Cat No XSO-33 of Make Densons or its equivalents of 3M/Birla

M&L Heat shrinkable type cable straight through joint type suitable for XLPE 185 Sqmm 3 core HT cable 33 KV capcity earthed system and testing all as specified and directed with terminate joint and jointing material all as specified. Cat No XSE-33 of Make Densons or its equivalents of 3M/Birla

Supply & fixing in replacement of DO fuse element of current rating 30 to 60 Amp in fire resistance tube suitable for working voltage of 33 KV complete all as specified and directed.

Supply & fixing in replacement of DO fuse element of current rating 40 to 10 Amp in fire resistance tube suitable for working voltage of 11 KV complete all as specified and directed.

M&L in replacement of aluminum conductor steel reinforced (ACSR) (any size upto panther) for 33 KV switch yard including, stringing, tightening binding jump ring & testing etc complete all as specified and directed .

Supply and fixing in replacement of PG clamps for jumper connections aluminium die cast with two GI nut and bolts suitable for ACSR conductor upto panther on 33 KV HT OH lines.

S&F in replacement of pin type porcelain, vitreous, white brown or green insulator including 1 galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nuts suitable for 33 KV complete all as specified and directed.

Disconnecting/dismantling in position minor servicing/overhaul of 11 KV distribution transformers 100KVA to 360 KVA capacity for any type of leakage/defect at LT/HT bushing, gasket, drain plug etc., after disconnecting of electric supply and earth connections, drain out transformer oil and keeping in close containers for re-use, lifting/removing of top cover of transformer if it requires, re-assembling of transformer with S&F of new gasket set assembly, replacement of nuts, bolts and washers, as required at site, re filling of Transformer oil, complete after electric connections and testing all as specified and directed by Engr-in-Charge. Note :- (i) If retrieved transformer oil's di-electric strength is very less than it will be replaced with new one in relevent items. (ii) If any minor items is required for smooth functioning of transformer including general cleaning of surrounding area and equipment also, the cost of the same will be deemed to be included in the unit rates.

All as per above item No 51.00 but transformer capacity above 400 KVA and up to 630 KVA.

Checking of old transformer oil received and re-filling the same to transformer after centrifuging of oil with 1250 ltr per hrs filtration machine. The machine continuously will run round the clock till obtaining the result of oil upto 50 KV die electric strength in 2.5 mm gap complete all as directed by Engineer-in-Charge.

M&L for Filling of new transformer oil having dielectric strength not less than 60 KV complete including centrifuging of oil (if required) up to getting dielectric strength near 60 KV all as specified and directed by the Engineer-in-Charge Make:- Power oil & Equivalent approved by GE

Disconnecting LT/HT connection and earthing strip connection of the transformer and transportation up to workshop for repair and disconnecting , dismantling & complete overhauling of 33 KV Power Transformer any capacity after drain out of transformer oil and kept in close containers for re use, lifting/removing of top cover of transformer & cores with chain pully blocks/crane, cleaning of sludge and washed down with the help of spray of clean oil and re-assembling of transformer with S&F of new gasket set assembly, replacement of nuts, bolts and washers, as required at site, re filling of Transformer oil after centrifuging at satifactory dielectric strength complete after electric connections and testing all as specified and directed by Engr-in-Charge. Note :- (i) If retrieved transformer oil's di-electric strength is very less than it will be replaced with new one in relevent items. (ii) If any minor items is required for smooth functioning of transformer including general cleaning of surrounding area and equipment also, the cost of the same will be deemed to be included in the unit rates. (iii) Cost of transportation up to workshop & back and insttalation after repair including electric/earth connection is deemed to be included under quoted rate by the contractor.

Labour only for taking out unserviceable winding wire and material and labour for rewinding with supper enameled double paper covered copper wire/ strip for HV/LV winding having existing size and giving proper insulation and de-moisturizing and before assembling the winding core and including primary testing, ratio testing, no load testing, core bolt insulation testing complete all as directed by the Engineer-in-Charge. Note : Rewinding and testing on load of transformer to be carried out through approved firm.

M&L for providing re-insulation like cotton tape/paper insulation on LT side of strip winding and resetting the same in existing position and fixing the transformer core assembly in transformer housing/tank, making complete internal electric/mechanical connections, replacement of old sleeves, bolts, nuts, washers/wires, hooks etc. including tightening of all loose connections complete all as specified and as directed by Engineer in Charge

Calibration, performance testing with necessary adjustment of over current/earth fault /earth leakage/ACB in 11 KV panels by artificial high current/capacitive synthetic current injection test on as per IS 14658: 1999 or IS 13516 : 1993 to check tripping mechanism of HT combined inverse time over current and instantaneous relay and cleaning/decobonising its moving and fixed contacts and to ensure physical healthiness with visual check for healthy tripping of over current and earth fault, adjust tripping time, ratio setting, instantaneous time setting, delay time etc as per installed capacity of transformer with considering of percentage impedance of transformeers for successful operation at the time of fault occurence complete all as specified and directed.

Supply, fixing & connecting in replacement of worn out batteries by valve regulated lead acid (VRLA) maintenance free rechargeable battery of 2 Volt, 100AH, conforming to IS 15549/2005 and IEC 60896 - 21 & 22 for tripping system to HT breaker during fault occurence at 33/11 KV Sub station complete all as specified and directed. Make - Exide/Amco/Amron/Amar Raja or other brand as approved by GE(I)

S&F in replacement of pin type porcelain, vitreous, white brown or green insulator including 1 galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nuts suitable for 33 KV complete all as specified and directed.

M&L for one coat aluminium painting and synthetic enamel painting of all MS channels, PT's, CT's, and other steel structures etc as per colour code of area not exceeding to 150 Sqm after proper preparation of old surface of 33 KV out door switch yard tech area and take over point chanmari complete all as specified and directed.

M&L for painting of transformer 33/11 KV, upto 2.5 MVA/2.00 MVA by means of spray painting with two coat of synthetic enemal grey paint including marking with stancile of capacity, location, MES No etc after cleaning of transformer complete by thiner and preparation of surface of transformer body, cable end box etc complete all as specified and directed.

M&L for painting of transformer 11 KV, upto 750 KVA by means of spray painting with two coat of synthetic enemal grey paint including marking with stancile of capacity, location, MES No etc after cleaning of transformer complete by thiner and preparation of surface of transformer body, cable end box etc complete all as specified and directed.

M&L for painting of OCB/VCB Panel (Each VCB/OCB) 11 KV/33KV by means of spray painting with two coat of synthetic enemal grey paint including marking with stancile of capacity, location, MES No etc after cleaning of VCB/OCB complete by thiner and preparation of surface of OCB/VCB body, cable end box etc complete all as specified and directed.

M&L for Oil level indicator of suitable capacity.

M&L for temprature Gauge of suitable sizes.

M&L for Silica gel of good quality

M&L for Drain out Brass stop valve 25mm dia heavy duty all as per sample and directed all as per sample

All as per Ser item No 68.00 here in before but size 40mm dia.

M&L for earthing complete with copper earth plate electrode 600 mm x 600mm x 3.5 mm thick thick electrode and 20×3mm copper strip as earthing lead, burried directly in ground (earth pit not less than 4.00m deep below ground level) with top edge of the plate not less than 3.40m below normal ground level connected to copper strip of size 20x3 mm dia by means of bolts, nuts, check nuts and washers of brass or , galvanised Iron pipe 50mm dia bore light grade for protection of strip, GI Pipe 20 mm bore light grade for watering, excavation and earth work, chamber PCC (1:3:6) type C-1 (using 20mm crushed stone aggregate) and 50 mm RCC chamber cover thick 1:2:4 type B1 (using 20mm crushed stone aggregate), reinforced with TMT 8 mm dia bar @ 100 centre to centre both ways, and 10 mm dia TMT Handle, funel, wire mesh etc and connected to earthing test point, testing complete all as specified and directed and shown in electrical plate No. 5 of SSR 2009 Part-I. Note : Copper Earthing strip upto 7.5 metre length shall be deemed to be included in quoted unit rate and beyond 7.5 metre, the same shall be measured and paid separately.

M&L in replacement of Earth continuity conductor or main earthing lead 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 2mm dia galvanised iron or steel wire.

Supply and fixing in replacement of connecting and caliberation testing of Current Transformer ( Oil Cooled ) out door type of 33 KV nominal/rated system voltage, dual core of ratio 100 - 50 / 5-5 Amp or single core of ratio 200/ 1 - 1 Amps, having burden - 15 VA, Class of accuracy - 1.0 for metering & 5P10 for protection of core, highest system voltage - 36 KV, insulation level - 70KV ( RMS ), short time current (STC) - 13.1 KA for 3.0 Seconds, conforming to IS 2705-1992 /IEC-60044-1 including dismantling and taking down worn out CT from steel structure complete all as specified and directed. Make : National Electric /CG/Jaipuria/Jyoti/Pragati as approved by GE.

S&F in replacement of single phase potential transformer (PTs) oil filled type of ratio 33KV/110 volts, class-1 suitable burden and mounted on hot dip galvanized steel structure, all control cables shall be terminated in junction box. Note : (i) Cost of junction box and frame work used for PTs is deemed to be included in the rate quoted.

S&F in replacement cable rout indicator with MS plate not less that 3.15 mm thick embosed of HT electric line adequate size with welded with 0.50 mtr long MS flat with PCC 1:3:6 (30cm x 30cm x 30 cm) including excavation 30cm x 30cm x 30 cm ,returning, filling and removing of soil including letter wrining for cable size location feeding with stancile as directed at site complete all as specifed and directed.

Supply and fixing in replacement of PG clamps for jumper connections aluminium die cast with two GI nut and bolts suitable for ACSR conductor upto panther on 33 KV HT OH lines.

S&F in replacement ammeter for 33 KV VCB panel digital type having range 0- 200 Amps operated with CT complete all as specified and directed.

S&F in replacement of volt meter for 33 KV VCB panel digital type operated with PT complete all as specified and directed.

S&F in replacement of Porcelain Post Insulators conforming to IS 2544/731/2486 (Part II), IEC 383/168 & BS 137 suitable for 33 KV nominal system voltage complete all as specified & directed.

S&F in replacement of pin type porcelain, vitreous, white brown or green insulator including 1 galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nuts suitable for 33 KV complete all as specified and directed.

S&F in replacement of disc insulator , porcelain, vitreousd 145 mm high and 255 mm dia bolt and socket type, white, brown and green suitable for 33KV(main receiving station)complete all as specified and directed.

Disconnecting electrically, dismentling and taking out old unserviceable electric energy meter any type size and submit to MES Office and fixing new electric energy meter any type/capacity on same or other location and making all electric connections/seals properly all as directed. (Note : Old electric meter deposited to MES store yard.)

Supply and fix AC three phase static energy meter of Accuracy class 1.0, 3x240 Volts, 50 Hz, with backlit LCD display, of rating 10-60 Amps (measures & displays KWH, V, I, KW ,PF, last month history of KWH & MD in KW) with special features like TOD, Temper logging, Optical communication port & display in absence of power all as spfd. Make : L&T/ HPL/ Secure.

santosh electronics