REPAIR/MAINT OF TRANSFORMER HT/LT CABLE AND BASIC E/M WORKS AT NDC, RAKSHA BHAWAN, AHQ CAMP LODHI ROAD AND HQ IDS UNDER GE NEW DELHI

Amount

Dehydration and filtration of the existing transformer/servo voltage stabilizer oil by dehydration plant to achieve di-electric strength of 60 KV at the gap of 4 mm complete all as specified and directed by Engineer-in-charge. Notes:- Dehydration plant shall be brought at site by the contractor and shall also include the following provisions:- a) Testing of transformer /servo voltage stabilizer oil before & after dehydration shall be carried out as directed. b) The Unit of payment under this item shall be per litre of oil meant for all processes to the entire completion of jobs. (c) Contractor will maintain a register of dehydration and filtration of each and every equipment as per format given by Engr-in-charge and submit the same to Engr-in-charge.

Supply and filling mineral grade transformer oil EHV type conforming to IS-335 of 1983 for topping up or replacement in different existing transformers outdoor/indoors type of any capacity located and installed at different places and different height complete all as specified and as directed . Note: - The entire quantity of transformer oil shall be procured in one go. The complete material shall be brought at MES store and then as per requirement oil should be shifted to site. Cost of this aspect deemed to be included in the quoted rate

M&L for disconnecting power supply from HT VCB of capacity up to 630 Amps, taking out trolley unit & complete servicing of the same through decarbonizing servicing & cleaning of the male/female isolating contacts, lubricating moving part, cleaning with CRC removing dust particles from bus bar chamber, spout gear mechanism and moving parts, repair to motor charge spring mechanism, including cleaning of Vacuum Interrupter and all HT bushings , Cleaning of Flashes if any and refixing of cable by fixing the nut bolt, Washer to HT side tightly and refixing the trolley at its original position and testing and putting on load complete all as specified and directed by tightening all nuts and bolts of entire trolley, checking proper operation of trolley all as directed, inserting trolley inside, and testing and putting on load complete all as specified and directed. Note: (i) The work shall be executed through OEM or their authorized Rep. (ii) The spares required to be replaced shall be measured & paid separately as 'Supply only' under relevant item No. 4.00 to 12.00 of BOQ. The cost of replacement shall be deemed to be included in rate quoted for this item.

Supply only set of mechanical castle inter lock assembly with key suitable for HT 11 KV VCB of rating 630 Amps as per existing make complete all as specified and directed.

Supply only closing coil assembly 24/110 volts DC for VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

Supply only tripping coil assembly 24/110 volts DC for HT 11 KV VCB of rating 630 Amps, as per existing make complete all as specified and directed.

Supply only fixed contact block of VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

Supply only moving contact block of VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed..

Supply only Vacuum Interrupter , suitable for HT VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

Supply only Spring Charge motor & gear assembly 220 Volt AC suitable for VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

Supply only plug and socket assembly for VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

Supply only auxiliary switch (6 No + 6 NC) for HT VCB 11 KV 630 Amps capacity as per existing make complete all as specified and directed.

S&F in replacement 150 watts, 230 volts, AC, single phase rated strip heater with switch and thermostat for space heating complete suitable for VCB 11 KV , 630 Amps capacity all as specified and as directed .

M&L in replacement for supply, testing, commissioning of DC control panel for 30 Volts DC lead acid chargeable stationery battery set comprising of 15 cells 02 volts each having 90 Amps hour capacity with maintenance free batteries including battery charging set adequate capacity and control equipment sheet steel cabinet , floor mounted type suitable for input of 230 volts, single phase , 50 Hz, AC complete with external and internal wiring of all components, accessories all as specified for 11 KV VCB panels complete control wiring (for connecting the DC tripping set to HT 11 KV VCB panel board complete) shall be copper conductor single copper conductor single core and size not less than 2.5 Sqmm complete all as specified & directed including comprising of the following accessories:- (a) DC ammeter/ voltmeter in 95 Sqmm size (b) Step down Transformer (c) Choke to limit the inrush current (d) Variation (Auto-Transformer) for the manual step less charging (e) Silicon rectifier stack (f) Auto-Off manual switch (g) Set of protection fuses, (h) Set of indicating lamp to indicate position of charging on auto boost , auto trickle mains on, Battery earth and fuse failure (j) Battery switch to indicate the battery voltage (k) 15 Nos of 2 volts, 90 AH batteries at RB.

Supply and fix in replacement over current & earth fault relay suitable for 11 KV VCB 400/630 Amps indoor control panel complete all as specified & directed.

M&L for servicing, calibration, testing of 1000 KVA, 11 KV/415 V AC Dry type transformer make VOLTAMP including cleaning servicing and connection tightening and conducting following tests:- (a) Ratio Test (b) Vector Group Test (c) Winding Insulation Test (d) HT bushing set (e) LT bushing set Notes: (i) The work shall be executed through OEM or their authorized rep.

S&F in replacement frequency meter digital type suitable for HT 11 KV VCB complete all as specified and as directed .

Supply & fix in replacement set of 3 Nos pilot lamp LED type for indicate On/Off Trip, 24 Volts DC complete all as specified and as directed .

Supply and fix in replacement fibre glass 2 mm thick sheet transparent type including all gaskets to prevent oil leakage from conservator of transformer of any size as required complete all as specified and as directed .

Supply and fix in replacement gasket set in between transformer body and top cover including all gaskets to prevent oil leakage after draining out Transformer oil in empty barrel to be provided by the contractor and filling the same oil after replacing gasket as required complete all as specified and as directed .

M&L for finding the with fault locating Machine mounted on Vehicle along with auxiliary power supply required for Installing of equipment connected to FLC Machine along with necessary manpower and T&P for finding out fault in cable HT (11 KV) / LT (1000 Volts) by using Ultra sound technique. Complete all as specified and as directed . Note: 1. Contractor shall bear all the cost incurred in arranging FLC machines along with permission of digging in case of land belonging to other than MES/Defence. 2. If contactor fails to arrange the FLC machine within six hours from getting the information either from GE, Engr-in-Charge or concerned JE verbally or telephonically Penalty amount of Rs. 1500/- per hour shall be recovered from contactor's dues.

S & F in replacement of dehydrating agents (Silica gel) in transformers of capacity up to 500 KVA transformer outdoor/indoor type complete all as specified and as directed.

Supply and fix in replacement of LT bushing (Brass stud and bolts with porcelain insulator) suitable size to fixed the transformer capacity range 200 to 500 KVA including replacement of gasket, cable glands, etc. to make the transformer leak proof complete all as specified and as directed .

S&F in replacement of LT bushing (Brass stud and bolts with porcelain insulator) suitable size to fixed the transformer capacity range 500 KVA to 1000 KVA including replacement of gasket, cable glands, etc. to make the transformer leak proof complete all as specified and as directed .

S & F in replacement ceramic bushing and Gasket on LT side of transformer of following capacities complete all as specified and as directed:

S & F in replacement ceramic bushing and Gasket on HT side of transformer of following capacities complete all as specified and as directed:

S & F in replacement MCCB 3 Pole, 415 V, fixed type, 25 to 100 Amps with breaking capacity 16 KA complete all as specified and as directed .

S & F in replacement MCCB 3 Pole, 415 V, adjustable type 160 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement MCCB 3 Pole, 415 V, adjustable type 200 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement MCCB 3 Pole, 415 V, adjustable type 250 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement MCCB 4 Pole, 415 V, adjustable type 200 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement MCCB 4 Pole, 415 V, adjustable type 250 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement MCCB 4 Pole, 415 V, adjustable type 400 Amps with breaking capacity 36 KA complete all as specified and as directed .

S & F in replacement anti climbing devices; comprising 2.24 mm dia galvanised steel 2-strand barbed wire with 2.00 mm dia barbs wrapped spirally round poles, to a length of 50 cm clamped and properly secured or as ordered complete all as specified and directed .

S & F in replacement danger notice plate of 1.6 mm 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 LT, 20 x 15 cm size complete all as specified and directed .

S & F in replacement Danger notice plate of 1.6 mm 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, 25 x 20 cm size complete all as specified and directed .

M&L for maintenance and overhauling of ACB 630 Amps to 1250 Amps capacity including disassembling all operating mechanism parts, well cleaning with petrol CRC 226, replacing unserviceable parts and accessories, oiling/greasing of moving parts, cleaning of all pole partition hylem sheet, isolating contacts, re assembly, fine setting of mechanism and pole assembly and making ACB perfect operational including well cleaning the complete bus bar chambers, insulator, partition etc. and checking of insulation resistance of ACB main bus bar complete all as specified and directed . Note- (i) The work shall be carried out by OEM or their authorised representative. (ii) The spares required to be replaced shall be measured & paid separately as 'Supply only' under respective item of BOQ. The cost of replacement shall be deemed to be included in rate quoted for this item.

Supply only Fixed Arc Contact- 3 pole

Supply only Moving Arc Contact- 3 pole

Supply only Auxiliary contact 4 No+ 4 NC

Supply only Motor Mechanism for 630 Amps ACB

Supply only Shunt Trip Coil

Supply only Control Fuses HRC type 2 to 10 Amps

M&L for servicing of Voltage Stabilizers capacity above 75 KVA up to 150 KVA including replacement of minor equipment and spares complete all as specified and directed . Note- Rate of minor equipment and spares deemed to be included in the quoted rate for this item.

M&L for servicing of Servo motor operated micro processor type digital display oil Cooled Voltage Stabilizers capacity above 25 KVA up to 75 KVA including replacement of including replacement of minor equipment and spares complete all as specified and directed . Note- Rate of minor equipment and spares deemed to be included in the quoted rate for this item.

M&L for servicing Servo motor operated micro processor type digital display oil Cooled of Voltage Stabilizers capacity above 10 KVA up to 25 KVA three phase including replacement of including replacement of minor equipment and spares complete all as specified and directed . Note- Rate of minor equipment and spares deemed to be included in the quoted rate for this item.

M&L for servicing of Servo motor operated micro processor type digital display oil Cooled Voltage Stabilizers capacity above 5 KVA up to 10 KVA, three phase including replacement of including replacement of minor equipment and spares complete all as specified and directed . Note- Rate of minor equipment and spares deemed to be included in the quoted rate for this item.

M&L for servicing of Servo motor operated micro processor type digital display oil Cooled Voltage Stabilizers capacity above 1 KVA upto 5KVA, single phase including replacement of including replacement of minor equipment and spares complete all as specified and directed . Note- Rate of minor equipment and spares deemed to be included in the quoted rate for this item.

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr wide & not exceeding 1.5 mtr in depth for foundation etc. or for shaft well, cesspits, manholes, fire hole etc. n.exc 10 Sqm on plan and not exceeding 1.5 mtr in depth and getting out complete all as specified and as directed .

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed .

Removing excavated material to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

M&L for sand cushioning to underground cable for cable protection laid in trenches / in existing cable ducts complete all as specified and as directed Note: For payment purpose, punned thickness of sand shall be measured.

Supplying and laying un-reinforced precast concrete cable cover, HV, type 1 with peak, size 300 mm x 180 mm x 40 mm ® complete all as specified and as directed .

Laying only HT cable protection PCC cover retrieved in good condition from sch 'A' item No. 59 complete all as specified and directed .

M&L for sub class 'B' bricks well burnt, old sized, laid dry flat in trenches for protection of cable over LT cable, complete all as specified and as directed

Laying only of LT cable protection class 'B' brick retrieved in good condition from sch 'A' item No. 59 complete all as specified and directed

M&L for taking up/ down of cable any size from any depth/height complete all as specified and as directed .

M&L for cable XLPE insulated screened PVC bedded, galvanized steel wire armoured, electric power cables (heavy duty) 11000 volts grade with stranded aluminium conductor of sizes 95 Sqmm 3 core laid in trenches complete all as specified and directed .

M&L for cable XLPE insulated screened PVC bedded, galvanized steel wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of the following sizes complete all as specified and directed .

185 Sqmm 3.5 core

120 Sqmm 3.5 core

Supply & fix cable jointing kit and testing complete for 11 kv 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 120 Sqmm complete all as specified and directed.

Supply & fix cable jointing kit and testing complete for 11 kv 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 95 Sqmm complete all as specified and directed.

Supply & fix cable jointing kit and testing complete for 11 kv 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 95 Sqmm complete all as specified and directed.

Supply & fix cable jointing kit and testing complete for 11 kv 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 120 Sqmm complete all as specified and directed.

Supply , fixing & testing heat shrinkable straight through Jointing Kit suitable for LT Cable of size 50 Sqmm 3.5 core complete all as specified and directed.

Supply , fixing & testing heat shrinkable straight through Jointing Kit suitable for LT Cable of size 70 Sqmm , 3.5 core, complete all as specified and directed.

Supply , fixing & testing heat shrinkable straight through Jointing Kit suitable for LT Cable of size 150 Sqmm , 3.5 core, complete all as specified and directed.

M&L for cutting of Hard standing/road by manual method up to 150 mm deep for inserting 100 mm dia GI pipe for cable protection complete including ready to use bituminous mix for making good disturbed surface complete all as specified and as directed.

M & L in replacement for galvanised pipe of dia 100 mm, light grade with all fitting, laid in trenches for passing of cable etc. complete all as specified and directed .

M & L for replacement of potential transformer (voltage transformer) 11 KV/ 1100 V, dry type , complete with winding, indoor resin cast & ratio 11 KV/rt3/1100/rt3/class 0.5-3, burden 50 VA-50 VA including connecting and testing complete all as specified and directed .

Supply , installation, testing & commissioning with HT resin cast CT of ranging 15 Amp to 150 Amp/5-5A as per each feeder required class 1.0/5P10, burden 15 VA-15VA including connecting and testing complete all as specified and directed .

M&L for Earthing in replacement with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level, connecting to the Galvanised iron strip 25x4 mm by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with & including 40 mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 meters, all as per electrical plate No 3 of SSR 2009 Part-I including testing on complete all as specified and as directed. Note: GI strip & protection pipe up to 7.5 m is included in the quoted rate .

M&L in replacement Aluminium strip 25 x 3.15 mm with saddles and fixing screws etc. complete all as specified and as directed .

M&L in replacement for Test point terminal block in replacement made of gun metal or phosphorus bronze size 75x75x25 mm drilled and screwed including 3 nos. 8 mm dia 25 mm long hex. head screw complete all as specified and as directed.

M & L for excavation by trenchless boring technology for holes under road pavement, hard standing using ultra sound technique and engaging necessary machine including HDPE pipe ISI marked of dia 200 mm suitable for 0.4 Mpa working pressure complete all as specified and directed. Note: HDPE pipe and making good the disturbed surface shall deemed to be included in rate quoted by the contractor.

M&L for Chemical Earthing complete with Copper earth plate 90 x 60 cm x 5 mm thick electrode buried directly in ground vertically not less than 4 m deep below ground level with top edge of the plate not less than 3.4 m deep below ground level and connected to copper strip size of 32 x 6 mm as earthing lead by means of bolt nut and brazing, check nut and washer all as directed to test point including necessary excavation and earth work (in any type of strata) and providing charcoal duct 250 Kgs, common salt 200 kgs, magnesium sulphate 100kgs and all around the plate 15 cm depth and wide and up to 650mm height in continuous layers, balance pit will be filled with vegetable soil up to ground level including watering pipe GI light grade of 20 mm dia and 50 mm dia pipe light grade for earth strip protection up to 7.5 m, PCC(1:3:6)type C1 chamber , heavy duty funnel with & including 40 mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape all as directed. Note: Cost of Copper strip & protection pipe up to 7.5 m is included in the quoted rate .

S&F in replacement earth continuity conductor copper strip size 32mm x 06 mm fixed to wall or floor with saddles and fixing screws etc. Complete all as specified and directed

Supply only for Discharge rod for discharging of HT side (11 KV) 3 metre long. Complete all as specified and directed .

M&L for replacement of HT (11 KV) insulation mat 16 mm thick complete all as specified and directed .

M&L for rectification of fault using eclectically operated Hi pot Machine to check the HT cable so that is stands a capacity of up to at least 11 KV. Complete all as specified and directed .

Supply and fixing in repair Automatic Phase Sequence Corrector suitable for 2-20 HP with sheet metal enclosure and indicator lamp output/input, suitable for 3 phase electric motor with automatically protection against single phasing voltage, unbalanced and low/high voltage with time delay complete all as directed .

Note :- Contractor shall visit the site to check the existing make before quoting the tender wherever required/applicable.

NEETU TRADERS (INDIA)

SANJEEV ENTERPRISES

Vishal Traders

BLUE HILL ELECTRICAL AND ELECTRONICS

VINAY ENTERPRISES