REPAIR AND MAINTENANCE OF EXTERNAL ELECTRIC SUPPLY SYSTEM, HT VCBs AND TRANSFORMERS IN OMQ, NP AREA AND TECH AREA AT 2 WING AF STN PUNE UNDER GE (AF) LOHEGOAN

Supplying laying & testing of XLPE cable insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade earthed system, of size 3 core 185 sq mm complete all as specified and directed by Engr-in-Charge.

Supplying laying & testing of XLPE cable insulated screened PVC bedded, galvanized steel strip armoured, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, earthed system of size 3 core 120 sq mm complete all as specified and directed by Engr-in-Charge.

Supplying laying & testing of XLPE cable insulated screened PVC bedded, galvanized steel strip armoured, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, earthed system of size 3 core 95 sq mm complete all as specified and directed by Engr-in-Charge.

Material and labour for taking out of old unserviceable HT cable 11 KV of any size from any type of soil strata complete all as specified and directed by Engr-in-Charge.

Material and labour for taking out of serviceable HT cable 11 KV of any size from any type of soil strata ,complete all as specified and directed by Engr-in-Charge.

Material and labour for relaying of serviceable HT cable 11 KV of any size sqmm including Excavation work required for relaying ,complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m in depth and getting it out for laying of cable / pole in soft/loose soil etc complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m in depth and getting it out for laying of cable / pole in hard/dense soil complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m in depth and getting it out for laying of cable / pole in soft disintegrated rock complete all as specified and directed by Engr-in-Charge.

Returning, filling in, including spreading, leveling watering, and well ramming in layers not exc 25 cm in hard/dense soil complete all as specified and directed by Engr-in-Charge.

Removing excavated material n.exc 50m and depositing where directed at a level exc. 1.5 cm above the starting point complete all as specified and directed by Engr-in-Charge.

M&L for crushed stone sand cushioning to UG cable, provide with the layer 8 cm before and 15 cm after laying and punning down and testing the cable complete all as specified and directed by Engr-in-Charge. Note :- Thickness of sand after punning will be measured and paid.

Supplying and laying unreinforced precast concrete cable cover, class HV, type 1 flat of size 300mm x180mm x 40mm placed perpendicular to the cable complete all as specified and directed by Engr-in-Charge.

Supply and fix GI Pipe Light grade with all connected accessories of sizes 100 mm dia complete all as specified and directed by Engr-in-Charge.

M&L for Cutting of existing road not exc 1.5 mtr in depth and not exceeding 1.5 mtr wide after laying of RCC /GI pipe under road making good in all respect to match with the existing surface all as directed by E-in-charge.

S&F in repairs cable end joint kit 95 Sqmm, 3 core XLPE 11kV HT Cable heat shrinkable indoor / outdoor type, complete all as specified and directed by Engr-in-Charge.

S&F in repairs cable end joint 120 to 185 Sqmm, 3 core XLPE 11kV HT Cable heat shrinkable indoor / outdoor type complete all as specified and directed by Engr-in-Charge.

S&F in repairs cable straight through joint 95 Sqmm, 3 core XLPE 11KV HT Cable heat shrinkable complete including necessary excavation and earth work complete all as specified and directed by Engr-in-Charge.

S&F in repairs cable straight through joint 120 to 185 Sqmm 3 core XLPE 11KV HT Cable heat shrinkable complete including necessary excavation and earth work complete all as specified and directed by Engr-in-Charge.

M&L for services for cable fault location for 11 kV, 3core XLPE Cable 95 sqmm to 185 sqmm with the help of 22kV HT fault detector machine complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair of moving contact to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair fixed contact to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair of Arc shield to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair of charging motor to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair of auxiliary switch to the vaccum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge. (all as per exsisting make and type)

Supply and fix in repair of latch switch assembly to the vaccum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair of closing soleniod to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

Supply and fix in repair of loading spring to the vacuum circuit breaker of cap 400A , 3 phase, 11000 volts, 250 MVA complete all as specified and directed by Engr-in-Charge (all as per exsisting make and type)

M&L for Over hauling and testing of secondary injection of over current and earth fault relay of HT VCB/OCB 11 kV panel on each multiple setting , readjustment and calibration the same complete, checking of control wiring including testing on completion complete all as specified and directed by Engr-in-Charge.

M&L for Over hauling and testing of primary injection of over current and earth fault relay of HT VCB/OCB 11 kV panel on each multiple setting , readjustment and calibration the same complete, checking of control wiring including testing on completion complete all as specified and directed by Engr-in-Charge.

Removing the existing unserviceable neon indication lamps from HT 11 KV cubical panel and supply and fixing neon indicator lamps assembly complete all as specified and directed by Engr-in-Charge. make Essen or equivalent suitable for the panel

M&L for replacement of HT voltmeter 0 to 15 KV (PTR 11 KV/ 110 Volt) , size 135mmx135mm, complete all as specified and directed by Engr-in-Charge. Make DIP / AE / IMP (Digital type.) Equivalent as per approved make

M&L for replacement of HT Ammeter 0 to 60 Amps. Make AE / DIP / IMP 135mmx135mm, complete all as specified and directed by Engr-in-Charge. Make DIP / AE / IMP(Digital type) Equivalent as per approved make.

M& L for replacement of defective current transformer resigh casted two core double ratio ( one for protection and other core for metering equipment), class 1.0, 100 Amps, for 11 kV of Crompton / MEI or Equivalent as per approved make complete all as specified and directed by Engr-in-Charge.

M&L for replacement of unserviceable HRC cartige fuse of existing capacity make suitable for HT VCB 11 kV PT unit complete all as specified and directed by Engr-in-Charge.of Crompton/MEI make all as directed.

Taking out old unservicable battery back up from HT 11 kV OCB/VCB panel, S & Fix new batterry back up voltage of input 230 AC and 30/110 DC with maintenance free sealed lead Acid Battery suitable size complete as per exsisting or equivalent model and testing complete all as specified and directed by Engr-in-Charge.

M&L for filtration of transformer oil to remove moisture, sludge, carbon particles and to achieve dielectric strength/rupturing capacity of oil and topping up of oil to the required level of the transformer indicator level including opening of LT and HT terminal box and checking cable connection and replacing of burnt cable lugs complete all as specified complete all as specified and directed by Engr-in-Charge. Note: (a) Filtration shall be done at site and on line. (b) BDV test shall be carried out before the filtration and after the filtration & results recorded in triplicate duly signed by the contractor, MES rep. and Engr-in-charge (c) Dielectric strength of the oil shall not be less than 50 kV after filtration & the rate quoted for the items shall be deemed to include the filtration till the desired dielectric strength is achieved complete all as specified and directed by Engineer in Charge. Note : Date of oil filteration shall be marked paint in transformer.

Supply and Fill new transformer oil topping up / change complete superior quality having di - electric strength not less than 60 KV and ISI marked of approved make complete all as specified and directed by Engr-in-Charge. Note: (a) The transformer oil shall be ISI marked, and brought at site in sealed container only. (b) Cost of collection of samples before and after topping up/changing including testing for dielectric strength etc complete included in the rate quoted for this item

Removel of burnt HT coil winding and replacement of the same with new copper wire coil of same gauge and turns including necessary insulation materials like impregnated paper or super enamelled of transformers of capacity 150 KVA to 500 KVA complete all as specified and directed by Engineer in Charge

Removal of burnt LT coil winding and replacement of the same with copper strips of same gauge and turns including necessary insulation materials of transformers of capacity 150 KVA to 630 KVA complete all as specified and directed by Engineer in Charge

Disconnecting the transformer any type from HT/ LT system and opening carefully for rectifying the leakage by replacing the unserviceable spare parts of capacity 50 to 650 KVA transformer and complete assembling after repairs including testing for any oil leakages, proper functioning and connecting the HT/ LT system complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair of LT bushings with rating 11 KV brass studs of transformer capacity 50 KVA to 350 KVA complete all as specified and directed by Engr-in-Charge

Supply and fix in repair of LT bushings with rating 11 KV brass studs of transformer capacity 400 KVA to 630 KVA complete all as specified and directed by Engr-in-Charge

Supply and fix in repair of top cover gasket set upto 630 KVA capacity transformer complete all as specified and directed by Engr-in-Charge

Supply and fix in repair of radiator flanged gasket 6mm thick upto 630 KVA capacity transformer complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair of oil level indicator gasket set upto 630 KVA capacity transformer complete all as specified and directed by Engr-in-Charge

Supply and fix in repair of HT bushing with brass studs upto 630 KVA capacity transformer 11 KV complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of breather assembly transparent plastic body with top and bottom portion pressed with metallic cover, filled with silica gel blue in colour and suitable for fixing on existing pipe of size 15/20/25 mm dia with suitable reducers/connectors etc as per site requirement /capacity of transformer complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair of HT 11 KV terminal rod of suitable size for the transformer of the various capacities upto 630 KVA transformer complete all as specified and directed by Engr-in-Charge.

Material and labour for painting of the transformer (50 to 150 KVA) complete by removing old paint by scrapping and providing spray painting with synthetic enamel paint of approved make duly marking/writing MES/SM No. complete all as specified and directed by Engr-in-Charge.

Material and labour for painting of the transformer (150 to 350 KVA) complete by removing old paint by scrapping and providing spray painting with synthetic enamel paint of approved make duly marking/writing MES/SM No. complete all as specified and directed by Engr-in-Charge.

Material and labour for painting of the tranformer (350 to 630 KVA) complete by removing old paint by scrapping and providing spray paiting with synthetic enamel paint of approved make duly marking/writing MES/SM No complete all as specified and directed by Engr-in-Charge.

Material & Labour in repair /dismantling of air break gang operated switches HT 11 KV vertical/horizontal mounted including insulators and operating mechanism for repair/servicing including applying Petroleum Jelly Grease etc complete all as specified and directed by Engr-in-Charge

Supply and fixing in repair / replacement of gang operated air break switches HT 11KV grade outdoor type, triple pole of capacity 400 amps rating mounted on polymer based 09 insulators fitted on steel frame horizontally, mechanically operated mechanism from ground level including GI pipe handle clamps bolts, nuts, jumper wire connecting with stranded conductors complete with locking arrangements complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair/ replacement of drop out fuse unit expulsion type for outdoor air break gang operated switch, single pole, mounted on polymer based insulators for 11 KV working pressure, fixed to and including MS channel with nuts, bolts, washers etc, synthetic bounded fuse carrying tube complete with line taps and suitable for current carrying capacity upto 25-50Amps and connected with suitable size of ACSR conductor as jumper between GOD and DO fuse, with 11 KV HT PVC sleeve, with all fittings/accessories etc, including taking down of only 3 fuses complete all as specified and as directed by Engr-in-charge.

Supply, fixing and connecting HT 11 KV outdoor expulsion type lightning arrestors with mounting accessories complete fixed on cross arms of 2 pole structur and connected with same size of ACSR conductor as O/H HT conductor with 11 KV KT empire tape insulation with all fittings, transmission class, having discharged capacity of 65 kilo amps and suitable for working pressure of HT 11 KV complete all as specified and directed by Engr-in-Charge

S&F in repair/replacement of pin/post type polymer based insulator 150 mm height and 150 mm dia suitable for 11 KV grade insulator including one galvanised mild steel spindle,two galvanised iron washers and one galvanised iron nut,complete all as specified and directed by Engr-in-charge.

S&F for aluminium tubing heavy duty of size 32mm outer dia, 20mm inner dia, 06 mm thick with necessary clamps, bolts nuts and washers of suitable size, mounted on polymer based 11 KV insulators connection with jumpers including removal of unserviceable one complete all as specified and directed

S&F for aluminium strip of size 32mm x 10mm thick with necessary clamps, bolts nuts and washers of suitable size, mounted on polymer based 11 KV insulators with jumpers including removal of unserviceable one complete all as specified and directed

Materials and labour for cross arms, bracings supports clamps and back plates fabricated from structural steel section including nuts bolts, washers welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated or directed and inclusive of two quotes of aluminium paint over a coat of red oxide zinc chrome primer complete all as specified and directed by Engr-in-Charge

M&L for Earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm as earthing lead buried directly in groungd vertically to a depth not less than 2.25 mtr deep below ground level with top edge of the plate not less than 1.5 mtr below normal ground level connected to and including galvanised iron strip 32 X 6 mm as earthing lead by means of bolts, nuts, checknuts and washers etc made of GI and connected earthing test points all as shown in electrical plate no. 3 of SSR Part-1 of 2009.00 and as specified or indicated and testing on completion including exaction/earth work in any type of strata PCC (1:3:6) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B1 (reinforced with welded steel wire fabric (XPM) weight not less than 4 kg/sqm) funnel with grade and lugs, including galvanised iron strip 32 X 6 m with GI protection pipe of 40 mm medium grade 7.5 meter long, etc complete all as specified and directed by Engr-in-Charge

M&L for HT jumper with the help of Aluminium Conductor Steel Re-inforcement covered with insulating material/sleeve and including lugs at both ends at suitable at site. The length of jumper shall not be less that 2.5 meter including connection with the help of connector on the HT pole complete all as specified and directed by Engr-in-charge.

Taking down old PT and supply & Fix 11KV indoor resin cast P.T for one phase of ratio 11 KV/rt 3/110V/rt 3/110V/rt 3 Class 1, Burden 100 VA,insulation level 100 KV, voltage factor1.2 Cont and 1.9 for 30 Sec, conforming to IS-3156 complete all as specified and directed by Engr-in-charge.

S&F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed by Engr-in-charge.

S&F Danger sign board sticker suitable for 11000 volts of size 300x300 mm with letters, figures and conventional skull and bones in signal red colour and fix on HT feeder pillar box/Panel complete all as specified and directed by Engr-in-charge.

Material and labour for painting to existing HT 2 pole structure 11 mtr long including cross arms/angle etc. with one coat of aluminium paint including preparation of surfaces with new feeder name plate with zebra type painting upto 6 feet from bottom with alternate patch of size 1 foot of white and light blue colour paint complete all as specified and directed by Engr-in-charge.

Material and labour for painting to existing HT 4 pole structure 11 mtr long including cross arms/angle etc. with one coat of aluminium paint including preparation of surfaces with new feeder name plate with zebra type painting upto 6 feet from bottom with alternate patch of size 1 foot of white and light blue colour paint complete all as specified and directed by Engr-in-charge.

Material & Labour for painting to HT feeder pillar box panel & duct cover etc, including angle iron frame with two coat of fire red synthetic enamel paint including door welding with hinge complete all as specified and directed by Engr-in-Charge.

M&L for cleaning of out door sub station/ HT feeder pillar box/ two/four/six pole structure by cutting and removing vegetation growth and surface leveling complete all as specified and directed by Engr-in-Charge.

M&L for loose filling of stone aggregrate of gauge 40 to 80 mm grade in Two pole /Four pole electrical substation area complete all as specified and directed by Engr-in-charge

Machinary and labour for services to remove mouisture from cables/ breakers by applying highpot testing for 11 kV 3 Core XLPE Cable 95 sqmm to 185 sqmm cables /breakers as required on site with the help of 22kV / 11 KV HT highpot testing machine complete all as specified and directed by Engr-in-Charge.

M&L for taking down of HT cable from 2 pole & 4 pole structure and termination of same HT cable in HT feeder box and charge the circuit and reconnection to HT cable to 2 pole or 4 pole structure after servicing and manitenanace of structures complete all as specified and diredcted by Engr-in-Charge.

Supply, installing, commissioning and testing in replacement Single pole, Oil cooled , outdoor type 22 kv potential transformer, ratio 22 kv/110 Volts, AC accuracy 10, burde 200 VA suitable for outdoor switchyard including taking down of old unserviceable potiential transformer complete all as specifed including any other additional accessories required for smooth functioning is deemed to be included in quated rate. Note : Contractor shall submit specification of potential transformer for approval of GE before procurement.

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