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 /11 KV VCB 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+ 7NC

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.

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 complete all as specified and directed. 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 and directed.

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, complete 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 all as specified and directed.

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 120 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

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

-do- but straight through joint Heat shrinkable 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

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 at site

S&Fin replacement of unserviceabile porcelinevitreous 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 complete all as specified and directed at site.

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 complete all as specified and directed.

All as above item but suitable for LT side of transformer of 400 KVA to 750 KVA capacity complete all as specified and directed.

Taking out existing worn out/old PVC insulated cable in 3.5 core of 25 sqmm Sqmm size of 1100 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, testing and commissioning of XLPE insulated, PVC sheathed armoured, 25.0 Sq.mm, 3.5 core, solid aluminum conductor electric cable for working voltage of 1100 V grade incl Aluminium lugs, thimbles complete confirming to IS:7098 Part-I complete all as specified.Make: Havells/Polycab/Gloster

Taking out existing worn out/old PVC insulated cable in 3.5 core of 35 sqmm Sqmm size of 1100 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, testing and commissioning of XLPE insulated, PVC sheathed armoured, 35.0 Sq.mm, 3.5 core, solid aluminum conductor electric cable for working voltage of 1100 V grade incl Aluminium lugs, thimbles complete confirming to IS:7098 Part-I complete all as specified.Make: Havells/Polycab/Gloster

Taking out existing worn out/old PVC insulated cable in 3.5 core of 50 sqmm Sqmm size of 1100 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, testing and commissioning of XLPE insulated, PVC sheathed armoured, 50.0 Sq.mm, 3.5 core, solid aluminum conductor electric cable for working voltage of 1100 V grade incl Aluminium lugs, thimbles complete confirming to IS:7098 Part-I complete all as specified.Make: Havells/Polycab/Gloster

Taking out existing worn out/old PVC insulated cable in 3.5 core of 70 sqmm Sqmm size of 1100 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, testing and commissioning of XLPE insulated, PVC sheathed armoured, 70.0 Sq.mm, 3.5 core, solid aluminum conductor electric cable for working voltage of 1100 V grade incl Aluminium lugs, thimbles complete confirming to IS:7098 Part-I complete all as specified.Make: Havells/Polycab/Gloster

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 complete all as specified and directed.

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 complete all as specified and directed.

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 complete all as specified and directed.

-do- but straight through joint Heat shrinkable 120 sqmm 3 core 11 KV complete all as specified and directed.

-do- but straight through joint Heat shrinkable 95 sqmm 3 core 11 KV complete all as specified and directed.

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 complete all as specified and directed. 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 complete all as specified and directed. 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.

-Ditto- all as per above item No 49.00 but transformer capacity above 400 KVA and up to 630 KVA.

Checking of old transformer oil received from Item Ser No 49 to 50 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.

Calibratin, 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, confirming 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).

DUBEY TRADERS AND ENGINEERS