REPAIR / MAINT OF TRANSFORMERS, ACBS, RELAYS, CALIBERATION, REPAIR / REPLACEMENT OF CABLE, POLES, LT PANELS, EARTHINGS AND OTHER E/M RELATED WORKS AT AOP AREA UNDER GE NASIK ROAD

Amount

M&L for taking down the transformer outdoor/indoor/ of any make and any capacity size from its base plinth/pole/substation after disconnecting incomming and outgoing HT/LT connnection, earthing and carefully removing the transformer from pole/ structure/ plinth/substation with arrnagement of mobile crane, transporting the transfomer from substaions to AGE E/M Store yard and the new transformer from AGE E/M Store yard /from any other sub station to shift from one Sub/Stn to other sub station and connecting all connection with earthing strip all as specified and directed by Engr-in-Charge.

M&L for taking down the transformer outdoor/indoor/ of any make and any capacity size from its base plinth/pole/substation after disconnecting incomming and outgoing connnection, earthing and carefully removing the transformer from pole/ structure/ plinth/substation with arrnagement of mobile crane, transporting the transfomer from substaions to workshop all as specified.

M&L for dismentaling & re-assembling carefully electrical connection from both sides of the transformer keeping them at safe side and taking out the transformer core for carrying out complete overhauling which shall complete of the following :- (a) Opening top cover of the transformer by unscrewing nuts, bolts,washers etc including disconnecting core assy from both side bushing and lifting the same gently and taking out from the shell (container/body) of the transformer. (b) M&L for draining out transformer oil from the above said transformer in the suitable capacity of container/drums and keeping it in safe custody for reuse. (c) M&L for cleaning of the transformer body from inside, removing deposited dirt/sludge/foreign particles etc from the bottom/body of the transformer and drying/heating up the shell from inside before refilling of the transformer oil. (d) Cleaning/washing through core and windings of the transformer by hosing down with clean dry oil conforming IS 335/983,removing deposited dirt sludge/foreign particles from the windings/core and revarnishing of the windings with super varnish including heating/drying/packing complete carefully and throughly inside the heating chamber at suitable temperature to obtained required value of insulation resistance etc all as per IS and directed by Engr-in-charge (e) Lifting and refixing core assy inside the transformer shell gently and carefully,connecting of HT/LT/Neutral connections to the bushings assy,fixing of the tap change over incl tightenting of nut,bolts,washers of the core to reduce humming noise all as directed. (f) Refilling the transformer oil in the shell of transformer only after carrying out filteration by heating upto oil 105 degree certigrade to active reqd dielectric strength and submitting the test result before and after filteration of oil in presence of Engr-In-Charge on proper performa duly signed. (g) Refixing the top cover incl tightenting of nut bolt,washers etc all as directed by Engr-In-Charge.

Note:- (i) Any damage to insulator/bushes/windings etc while in the custody of the contractor shall be made good at no extra cost to govt.The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (ii) The job taken for repair/overhauling should be complete with in 48 hours from the date of handing over the individual transformer, for that period contractor will make arrnagement for transformer of same capacity for temporary installation at site for smooth functioning without hindrance during the maintenance of the transformer to be carried at no extra cost. (iii) Rewinding of HV/LV coil & re-insulation of winding of HV/LV coil will be paid seperately under relavant item of sch. (iv) Filtration of old T/F oil will be measured under relevant item of this schedule. v) If of old transformer oil found not in reusable condition by Engr-In-Charge after testing , new transformer oil will be filled which will be paid seperately under relavant item of sch. vi) Any new item incorporated while carrying out repair will be paid seperately under relavant item of sch. vii) After Repairing transformer testing will be carried out as per IE rules infront of Engr-In-Charge & all testing report will be submitted by contractor duly signed by Engr-In- Charge and Contractor.

Supply AND FILLING transformer oil of approved quality ISI marked for filling in transformer for topping up/ REPLACEMENT IN TRANSFORMER COMPLETE all as directed by Engr-in-Charge NOTE: I) DIELECTRIC STRENGTH OF TRANSFORMER OIL NOT LESS THAN 60 KV WITH 2.5MM GAP. II) NEW TRANSFORMER OIL FILLED TO TRANSFORMER AFTER FILTRATION ONLY, RATE FOR FILTRATION DEEMED INCLUDE IN THE QUOTED RATE.III) OIL SUPPLY TO THE DEPTT FOR FILLING IN A SEALED BARREL ONLY.

M&L for transporting the repaired transformer from the factory/ workshop to the site with the help of crane and transportation and installing testing and commissioning complete on full load all as specified and directed.

M&L for removing the HV coil from core carefully & re-insulation of HV coil with same class of insulation all as specified & directed by Engr-in-charge .

M&L for removing the LV coil from core carefully & re-insulation of LV coil with same class of insulation all as specified & directed by Engr-in-charge .

M&L for rewinding of HV coil with new material of same gauge & same class of material of existing coil with similar class of existing insulation all as specified & directed by Engr-in-charge for transformer.

M&L for rewinding of LV coil with new material of same gauge & same class of material of existing coil with similar class of existing insulation all as specified & directed by Engr-in-charge for transformer.

M & L for replacement of unserviceable/ leaked gasket cork sheet of top cover of the transformer body of HV & LV ,oil rubber bushing irrespective of types and fix new gasket coek sheet etc all as directed.

M&L for replacement of CRGO Core with new material of same gauge & same class of material of existing CRGO Core all as specified & directed by Engr-in-charge for transformer.

M& L for replacement of unserviceable HV pocelain bushing 12 KV with top caps (Brass) complete with at site/workshop etc for the transformer including taking out existing bushings, drain out transformer oil etc and REFILLING THE SAME.

M& L for replacement of unserviceable HV Bushing terminal rod with washer of brass of suitable dia & length for transformer terminal with BRASS nut and bolts and washers 8 nos complete with oil seal, gaskets, ring washer etc for the transformers including taking out existing bushings complete all as directed at site

M& L for replacement of unserviceable LV Bushing terminal rod with washer of brass of suitable dia & length for transformer terminal with BRASS nut and bolts and washers 8 nos complete with oil seal, gaskets, ring washer etc for the transformers including taking out existing bushings complete allas directed at site

M & L for replacement of tap changer assembly and replacement of worn out nuts and bolts and providing new copper lead for tap changer assembly for transformer of any capacity all as diected by Engr-In- Charge

Supply and fix breather of transformer of various capacities filled with silica gel including taking out of unserviceable silaca gel complete all as directed by Engineer - in - charge.

M & L for replacement of old silica Gel for dehydrating Breather of T/F cleaning the breather internally and externally and filling new silica gel blue colour in dehydrating breather.

M & L for replacement of old oil level indicator glass for transformer of any capacity all as diected by Engr-In- Charge

M & L for replacement of old explosive vent Dia for transformer of any capacity all as diected by Engr-In- Charge

M & L for replacement of old Brizzing Rod for transformer of any capacity all as diected by Engr-In- Charge

M & L for replacement of old Cotton tape for transformer of any capacity all as directed by Engr-In- Charge

M & L for replacement of old webbling tape for transformer of any capacity all as diected by Engr-In- Charge

M&L for transformer plinth of size 2m x 2m x 1.5 m to mount the transformer, PCC Platform for transformer shall be provided as per CEPZ TD drawing and as specified by Engr-in-Charge

Supply , install, Design testing and commissioning of CPRI approved factory made and tested outdoor type floor mounted LT panel board, cubical type suitable for 415 volts, 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with air insulated PVC sleeved aluminium bus bar of rating 300 Amps for phases and neutral installed on porcelain insulators. The panel shall be dust and vermin proof IP-54 class protection and made out of 3.00 mm CRCA MS sheet with projected globe roof for rain water protection Dust & Vermin proof, including Neoprene rubber gasket, Bottom detachable Gland Plate comp-lete with suitable size Zinc Chromium Plated Nuts, Bolts and Washers, etc. and 50 X 50 X 6 mm thick MS angle iron frame 60 cm above and 60 cm below normal ground level work front & back opening double door type of adequate size for housing LT switchgear and measuring instruments duly powder coated after seven tank process on both sides including internal wiring in the panel with PVC insulated multi stranded copper conductor cable 1100 Volt grade IS 694 marked or PVC sleeved copper strips of appropriate size but not less than 4.0 sq mm, cable lugs cable gland and PCC foundation in cement concrete 1:3:6 (20 mm graded stone aggregate, testing after installation including complete all as specified & directed and comprising of followings:- (A) Incoming:- (a) Aluminium bus bar TPN 300 Amps - 01 Set (i) Danger notice plate/ sticker of suitable size on front panel board -01 No (ii) MCCB 4 pole 250 A 36 kA- 01 No (B) Outgoing:- (i) MCB TPN 63 Amps 06No (ii) MCB SPN 63 Amps 01 Nos (iii) Each outgoing Feeder Name Radium Sticker Inside Panel. (vi) voltmeter, Ammeter and selecor switch (vii) Phase indication lamp R, Y, B LED type

Supply and fix 11 KV Vaccum Interrupter- VG5-1250A for 11 KV Sub Stn all as specified.

Supply and fix Master Trip relay for RMU installed at 11 KV Sub Stn all as specified and directed.

Dismantling of U/S insulator of any size and type complete from its position and removing all as directed by Engr-in-Charge.

Re-fixing of old HT pin insulator obtained from item No 27 above.

Re-fixing of old HT shakel insulator obtained from item No. 27 above

S & F pin type insulator 150mm height and 150mm dia for 11000 Volts grade, porcelain White, Brown or Green including one GI spindle, two GI washer, one GI nut all as specified and directed by Engr-in-charge.

S & F HT shackle type insulator 100mm dia 115mm height, including GI strip of Size 31 x 5mm washers, 12mm dia, Insulators nuts, bolts suitable for 1100 volts grade.

Taking down old jumper connection of 4 pole structure from line/AB/DO & re-fixing complete with new conductor , including line tap, lugs, & PVC alkadin/pipe sleeve all as specified and directed by engr-in-Charge. ( ACSR conductor will be measure & paid separately )

Taking down old jumper connection of 2 pole structure from line/AB/DO & re-fixing complete with new conductor , including line tap, lugs, & PVC alkadin/pipe sleeve all as specified and directed by engr-in-Charge. ( ACSR conductor will be measure & paid separately )

Taking down old jumper connection of disc cut point from line and re-fixing complete with new conductor , including line tap, lugs, & PVC alkadin/pipe sleeve all as specified and directed by engr-in-Charge. ( ACSR conductor will be measure & paid separately )

M&L for cable jointing kit for 11 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 3 core 95 sqmm all as specified and directed by Engr-in-Charge

M&L for 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 3 core 95 sqmm all as specified and directed by Engr-in-Charge

M&L for 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 size 3 core 95 sqmm all as specified and directed by Engr-in-Charge

M&L for cable jointing kit straight through joint epoxy type of size 10 sqmm 4 core to 16 sqmm 4 core all as specified and directed.

M&L for cable jointing kit straight through joint epoxy type of size 25 sqmm 3.5 core to 50 sqmm 3.5 core all as specified and directed.

M&L for cable jointing kit straight through joint epoxy type of size 70/95 sqmm 3.5 all as specified and directed.

Dismantling of existing U/S LT pole of any size & type from its position carefully and removing from the site and necessary excavation and earth work in any soil/strata, demoltion of concrete, disconnection of conductor fom pole etc. complete all as directed.

Supply, install erect in trench vertical position steel tubular seweaged welded poles complete with MS base plate of 6mm thick of size 450mm x 450mm finial taper plug pole cap, bolts, nut and screwed, pole made out of ERW MS tubing confirming to IS 2713 Part II of 9 mtr long 410 SP-31 including drilling of holes of required size and nos for fixing of cross arms bracing support/ taking out of cables etc, with inbuilt junction box for 3 phase 4 wire AC supply and painting with one coat of red oxide primer and two coat of aluminium paint for exposed surface and two coat of black bituminious paint for the portion embeded in concerete complete all as specified and as directed by Engineer -in-charge.

Taking down unservisable U/G cable,service wire from trenches, wall, floor etc upto 50 sqmm

S&F XLPE insulated armoured and pvc sheated heavy duty electric cable size of 2 core 10 sqmm aluminium conductor 1100 volt grade as per IS 7098 (Part-1) 1988 with latest amendment laid in tranches passing through pipes /ducts including testing complete note- rate is inclusive of cable gland & cable lugs

All as per Item No.45.00 but size of 4 core 16 sqmm.

All as per Item No.45.00 but size of 3.5 core 35 sqmm

All as per Item No.45.00 but size of 3.5 core 50 sqmm

Excavation in trenches in soft / loose soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cable, RCC poles / stays and struts etc. and getting out including trimming sides and forming bottom surface complete all as specified and directed at site.

Returning & filling in, including spreading and leveling, watering and well ramming in layers n.exc. 25cm all as specified and directed by Engr-in-Charge.

Removing excavated soil n.exc 50 mtr and depositing where directed at a level n. exe 1.5mtr above the starting point all as specified and directed.

M&L for Double Walled Corrugated DWC HDPE Pipe of outer dia 50mm and innter dia 38mm including 90 degree bends with coupler and rubber ring laid in trenches of size 50 mm suitable for cable protection complete all as specified and direct

M&L for Plain cement concrete 1:3:6 type C-1 using 20 mm graded stone aggregate for coaping of pole as specified by Engr-in-charge.

M&L for Plain cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate as in foundation of poles etc all as specified.

M&L for Steel tubing GI light grade for cable protection passing under road /floor or for fixing to poles all as specified and as directed of size 80 mm dia along with necessary clamp nut bolt etc complete all as specified and directed

M&L for Earthing with 600X600X6 mm thick, galvanised steel earth plate electrode buried vertically in ground (Earth pit not less than 2.25 meter deep below normal ground level ) with top edge of plate vertically at a depth ,not less than 1.5 m below ground level connected to and including GI strip of size 32X6 mm by means of bolts,nuts,check nuts, And washer of galvanised steel, Gi shrip to be provide upto the extent of 7.5 m GI strip to be duly connected to metalic bodies of HT/LT equipment with provision of mixture of charcoal dust & common salt packed all ground the earth plate upto MS funnel with wire mesh provided inside concrete earth pit for watering arrangement,complete all as shown on electrical plate no.3 of SSR Part I (2020) and testing on completion.

M&L for Earthing complete with galvanized steel earth plate electrode 600mm x600 mm x 6mm buried directly in ground vertically to a depth not less then 2.25 meter below normal ground level with top edge of the plate not less then 1.50 meter below normal ground level connected to galvanized earth wire 4.00mm dia by means of bolts ,nuts ,check nuts and washers complete up to and including test point made out of 40 x 6mm alum flat including earthing pit , charcoal common salt ,Earthing lead 4.00mm dia up to 7.5m, 20mm dia medium grade GI watering pipe ,PPC pit in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate ,PCC pit cover including earth work complete all as shown in electrical plate No-5 of SSR-2020 (part-I)

S & F Switch air break gang operated triple pole mechanically operated mounted on insulator and steel frame out door type suitable for vertical installation single brake provided with locking arrangement, consisting of MS channel ,HT post type insulator ,copper alloy high pressure assembly ,operating rod of GI pipe medium grade confirming to IS-1818 of 1972 ,suitable for 11000 volt ,400 Amps incl dismantling of old one all as specified.

S&F PVC junction box of size inside dimenssion 250x200x105 mm complete with industrial connector, including clamp made out of MS flat iron 30x5 mm , with suitable size of MCB and connection from junction box to street light fitting as specified & directed.

S & F MCCB TPN in LT Panel thermal magnetic setting of current amp 160A , breaking capacity 25kA, of complete with lugs ,spreader link, gland to cable complete all as specified and directed.

S & F MCCB TP in LT Panel thermal magnetic setting of current amp 125A , breaking capacity 16kA, of complete with lugs ,spreader link, gland to cable complete all as specified and directed by Engr-In-Charge.

S & F MCCB TP in LT Panel thermal magnetic setting of current amp 100A , breaking capacity 16kA, of complete with lugs ,spreader link, gland to cable complete all as specified and directed directed by Engr-In-Charge.

S & F MCB TPN in LT Panel of current amp 63A , breaking capacity 10kA,ISI marked as per IS/IECC 60898-1 2002 with integrated label holder, sliding bottom clamp, Inproved air channels, color codedOn/off indication on dolly, biconnect lower terminals IP 20 proteced terminals, sliding shutters C Curve , 240 V complete with lugs , gland to cable complete all as specified and directed by Engr-In-Charge.

EXCAVATION BY TENCHLESS TECH - Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machine including HDPE pipe of 150 mm dia. Suitable for 0.4 mpa working pressure.

M&L for scrapping the existing deterioted old alumininum paint by iron brushing and painting of steel tubular poles of (9.0 mtr length/11 mtr length ) with one coat of metal primer and two coat of aluminium paint over exposed portion of pole above PCC coping including cross arms, angles, nut, bolts, clamps and S&F new radium sticker Radium paint / sticker of different colour 80 cm above coping of pole, i.e. alernatively with sky blue / red & white radium sticker (10 cm - 04 sky blue / red strip and 10 cm - 04 white strip) complete circumference of any type any shape pole and cement base paint on coping portion, marking of pole nos with radium yello / black paint /steekar in round shape 15 cm dia with letter writing 5 cm height 5 mm width etc. complete all as specified and directed at site.complete all as specified and directed at site by Engineer-in-Charge

NOTE :- AMOUNT OF SCHEDULE OF CREDIT RS. 27,105.00 WILL BE DEDUCTED FROM TOTAL AMOUNT OF BOQ.

MAHIMA CONSTRUCTION

Rama Electricals

Bidder Name

MAHIMA CONSTRUCTION

Rama Electricals

DURGAI ELECTRICALS