REPAIR/MAINT/REPLACEMENT OF VARIOUS CAPACITY LT SWITCH GEARS I.E MCCBS, ACBS CONTACTOR, APFC PANELS, AC AND OTHER MISC WORK AT AF STN NARIANA UNDER AOR OF GE (AF) FARIDABAD

Amount

Excavation in trenches in soft / loose soil not exceeding 1.5 Mtr wide and not exceeding 1.5 mtr depth for laying of cables/poles or foundation etc and getting out, complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick in each layer as in soil complete all as specified and directed.

Removing surplus excavated material (SOIL) to a distance not exc. 50 m and depositing where directed at a level not exc. 1.50 m above the starting point complete all as specified and directed.

M&L for sand cushioning to XLPE cable with using clean dry and natural river sand with a layer of 8 cm thick before laying the cable and 15 cm thick layer after laying the cable and then gently punned down to a thickness of 10 cm, complete all as specified and directed by Engineer-in-Charge.

Supplying and laying un-reinforced, precast, concrete cable cover, class LV, Type 1 with peak, size 250 mm x 150mm x 40mm, complete all as specified and directed by Engineer-in-Charge.

Supply, Laying, Connecting and testing in repairs cable XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 Volt grade cross sectional area 120 Sqmm 3.5 core, complete all as specified and directed.

All as per item No 06 above but Size 95 sqmm 3.5 core.

All as per item No 06 above but Size 70 sqmm 3.5 core.

All as per item No 06 above but Size 50 sqmm 3.5 core.

All as per item No 06 above but Size 35 sqmm 3.5 core.

All as per item No 06 above but Size 16 sqmm 4 core.

All as per item No 06 above but Size 10 sqmm 4 core.

Boring of Holes under road, pavement, hard Standing by trenchless technology using ultra Sound technique and necessary machine with HDPE Pipe, PN 10,100 mm dia, complete all as specified and directed.

Supply, laying and fixing in position in repairs, galvanized iron pipe, 80 mm bore, light grade, fixed to pole with mild steel clamps of required size or laid through wall/under floor/under road/in trenches duly painted with two coat of black metallic paint after a primer coat of red oxide, complete all as specified and directed.

All as per item No 14 above but 50 mm dia.

All as per item No 14 above but 40 mm dia.

M&L for cable end termination kit outdoor, heat shrinkable type suitable for XLPE/ PVC cables of size 6 Sqmm to 16sqmm 4 core with working voltage 1100 volts including necessary excavation returning filling & removal, complete all as specified and directed.

All as per item No 17 above but size 25-35 sqmm, 4 core.

All as per item No 17 above but size 50-95 sqmm, 3.5 core.

All as per item No 17 above but size 120 - 185 sqmm, 3.5 core.

M&L for cable jointing kit, straight through, heat shrinkable type suitable for XLPE/ PVC cables of size 6 Sqmm to 16 Sqmm 4 core with working voltage 1100 volts, complete all as specified and directed.

All as per item No 21 above but size 25-35 sqmm, 4 core.

All as per item No 21 above but size 50-95 sqmm, 3.5 core.

All as per item No 21 above but size 120 - 185 sqmm, 3.5 core.

S&F in replacement of MCCB, 4 pole, 415 volts, fixed type, 400 Amps, with breaking capacity 36KA, including taking out old U/S complete all as specified and directed.

S&F in replacement of MCCB, 4 pole, 415 volts, fixed type, 315 Amps, with breaking capacity 36KA, including taking out old U/S complete all as specified and directed.

S&F in replacement of MCCB, 4 pole, 415 volts, fixed type, 250 Amps, with breaking capacity 25KA, including taking out old U/S complete all as specified and directed.

S&F in replacement of MCCB, 4 pole, 415 volts, fixed type, 200 Amps, with breaking capacity 16 KA,.including taking out old U/S complete.all as specified and directed.

S&F in replacement of MCCB, 3 pole, 415 volts, fixed type, 160 Amps, with breaking capacity 36KA, including taking out old U/S complete all as specified and directed.

S&F in replacement of MCCB, 3 pole, 415 volts, fixed type, 125 Amps, with breaking capacity 36KA, including taking out old U/S one, complete all as specified and directed.

S&F in replacement of MCCB, 3 pole, 415 volts, fixed type, 63 Amps, with breaking capacity 16 KA, including taking out old U/S complete.all as specified and directed.

S&F sheet metal enclosure DB, Double door, Vertical distribution type, 08 way, TPN DB, IP43, 415V & suitable for 4 POLE MCCB as incomming including shruded neutral bar & Pan assy with earthing terminal as provided by manufacturer, complete all as specified and directed by Engineer-in-Charge. Note : - MCCB shall be measured and paid separately.

S&F sheet metal enclosure DB, Double door, Vertical distribution type, 06 way, TPN DB, IP43, 415V & suitable for 4 POLE MCCB as incomming including shruded neutral bar & Pan assy with earthing terminal as provided by manufacturer, complete all as specified and Note : - MCCB shall be measured and paid separately.

Supply & fixing in replacement of old u/s MCB SP 6 t0 32 amps 230 Volt complete all as specified and directed

S&F in replacement contactor, 4 Pole AC & DC Control, operational current AC1, 160 Amps, poles composition- 4NO, DC control ref-LP1D80004 of TC, complete all as specified and directed

S&F in replacement of contactor, 4 Pole AC & DC Control, operational current AC1, 125 Amps, poles composition- 4NO, DC control ref-LC1DT125A of TC, complete all as specified and directed

S&F MNX 18, 3 pole contractor, 2 NO+ 2 NC, 415 volts AC, confirms to IS/IEC 60947 - 4- 1, in existing model and make including taking out old unserviceable complete all as specified and directed.

S&F MNX 95, 3 pole contractor, 2 NO+ 2 NC, 415 volts AC, confirms to IS/IEC 60947 - 4-1, in existing model and make including taking out old unserviceable complete all as specified and directed by Engr-in-Charge.

S&F MNX 70, 3 pole contractor, 2 NO+ 2 NC, 415 volts AC, confirms to IS/IEC 60947 - 4-1, in existing model and make including taking out old unserviceable complete all as specified and directed.

S&F in replacement of MN contactor, 18 Amps in existing model and make including taking out old unserviceable one, complete all as specified and as directed.

M&L for danger Notice board/plate of 1.6mm thick Mild steel sheet, vitreous enameled, white with letter, figures and conventional skull and bones in signal red colour and fixed with MS clamps, nuts and bolts of approved size of HT 25 x 20 cm size, complete all as specified and directed.

S&F rubber insulation mat of size 1.8 mtr x 0.9mtr, 19mm thick, red colour, ISI marked, embozzed for up to 15 KV complete all as specified and directed.

M&L for repairing, servicing and replacement of LT panels of size 600x600x300 (approx) unserviceable part including complete accessories such as partially open door, door breakers, U/S Al bus bar, U/S locking arrangement, repairing of LT Panel legs, welding work , necessary PCC work, Excavation, removal, returning filling including disconnection and reconnection of cables, of any size any capacity complete all as specified and directed.

Removing all connections from LT panel having feeders upto 04 Nos (Total of incoming and outgoing), any capacity, indoor or outdoor type, for repairs/ servicing, Cleaning properly all parts and removing dust, carbon deposits etc. Removing U/S thimbles if any of connections, Refixing serviceable items to the panel and making all connections including testing for proper functioning of the panel as per standard engineering pactice, complete all as specified and directed b. Note:- Items required for replacement will be provided against respective items separately.

Removing all connections from LT panel having feeders above 04 Nos upto 08 Nos (Total of incoming and outgoing) , any capacity, indoor or outdoor type, for repairs/ servicing, Cleaning properly all parts and removing dust, carbon deposits etc, Removing U/S thimbles if any of connections, Refixing serviceable items to the panel and making all connections including testing for proper functioning of the panel as per standard engineering pactice, complete all as specified and directed. Note:- Items required for replacement will be provided against respective items separately.

M&L for Painting of LT panel of size 600x600x300mm (approx) inner & outer surfaces including scraping old paint after removing old dust partical, oily portion by rubbing with sand paper with spary pump, and writing /digital printing, Capacity Descripton, date of installation,etc, complete all as per the direction of Engg-in-cahrge.

M&L for Scraping of old paint from two pole/ four pole structure without removing accessories and preparation of surfaces for repainting, Repainting the poles with one coat of alternative green and white strips of 30 cm each upto 1.5 mtr height using synthetic enamel paint. Marking the pole No with black enamel paint. Repainting the remaining Iron parts i.e cross arms, supporting angles, XPM jali, clamps, GI bracket etc and steel pole above 1.5 mtr height by applying one coat of aluminium paint or PCC pole with cement base paint of approved colour, complete all as required at site or directed by Engineer-in-Charge.

Repair maintainance of oil cooled servo voltage stablizer of capacity 100 KVA to 400KVA, 3 phase, by isolating, disconnecting of input/output, supply cable, opening of top of voltage stablizer, detecting of fault, u/s component in control panel /dimmerstat /PCB etc, cleaning of serviceable parts /component complete all as specified and directed. Note:- The spare parts required for replacement shall be measured and paid separately.

Supply only RC Network.

Supply only AC Synchronous Motor.

Supply only Spring loaded finger.

Supply only Microproccessor Based eletronic control board.

Rewinding of Auto Transformer ,50-100 KVA.

Supply Voltmeter digital type.

Supply Ammeter digital type.

S&F in replacement of 'Onload' Changover switch, 200 Amp, 4 pole , 415 V, 50 Hz in sheet metal enclosure, complete all as specified and directed.

S&F in replacement of 'Onload' Changover switch, 400 Amp, 4 pole, 415 V, 50 Hz in sheet metal enclosure, complete all as specified and directed.

S&F in replacement of UNSV Aluminum thimbles of size 10sqmm to 70sqmm as per site requirements, complete all as per specified and directed.

S&F in replacement of UNSV Aluminium thimbles of size 95 Sqmm to 185 sqmm as per site requirements, complete all as per specified and directed.

M&L danger Notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters figures and conventional skull and bones in signal, red colour and fixed with MS clamps bolts and nuts of approved size for LT, 20x15 cm size, complete all as specified and directed

S&F 25mm dia. PVC conduit along with accessories in surface/recess I/C or cutting the wall and making good the same in case of recessed conduit as required complete as specified and directed by Engineer -in-Charge

M&L for Dehydration including filteration and cleaning of transformer oil by centifugal dehydration machine till to achieve Di-electric strength 50 KV at 2.5 mm gap testing of sample before and after dehydration and filteration, complete all as specified and directed. NOTE:- Contractor has to arrange the dehydration machine and testing kit without any extra cost to the deptt.Test report to be submitted after completion of job.

Supply & Filling /pouring of transformer oil of low viscosity having dielectric strength not less than 60 KV, complete all as specified and directed by Engineer-in-Charge. NOTE:- Dielectric strength test shall be carried out at site before poring/ filling in transformers in the presence of Engr-in-Charge on the site.

M&L for earthing with steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip size 32 x 6 mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full length of earth plate, 40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30x30 cm made of RCC 1:3: with suitable handle, angle iron frame made of angle iron of size 40x40x4m, adequate qty of charcoal dust and salt layers all around the earth plate and filling of vegetables soil to the remaining 10% removal of surplus soil and retruning filling in all as required at site, including test point made out of steel plate of size 75x75x6mm fixed to wall all as specified in plate No 3 of SSR Part-I and complete all as specified and directed by Engineer-in-Charge.

M&L for Design ,development, supply commissioning and testing burnished metallic brown 99.99% pure copper material specially develpoed for earthing purpose T point terminal exothermic/ nut bolt/ breezing . ground tubular effective chemical earthing (CPRI tested for 25KA current capacity for LT line ) highly anticorrosive long life eletrode with and including adequate protective coating to withstand servere weather condition in the earth pit of the standard size comprising of 40 mm 3m long copper rod as primary conductor and hollow copper tube of 80 mmx 3 m long with base plate of 80 mm secondary conductor to install with suitable connecting terminal cofirming of IS 3043 1987 specification highly conductive packing material to be filled in earth pits for providing uniform low resisitivity anticorrosive ,hygroscope medium around the earth system for improving the efficiency of current dissipation with cystalline conductive mixture CCM 25 kg per bag sufficient quantities required at site complete RCC earthing pit cover M&L complete bfc compound specified and as per ic 62561 acceptance chemical test Leaching, sulphur determination, corrosion, resistivity along with CPRI and chemical compound test report Note :- 1. Excavation / drilling hole in hard rock is included in the rate quoted incld. T&P 2. Min. resistance for earthing pit shall be less than 1 ohm. 3. Drilling or earth work shall be included in the overall cost quoted by the contractor.

Supply and fix copper strip 20mm x 3.15 mm complete with insulators and fixing screws etc for roof/wall above ground level including removing u/s strips complete all as specified and directed.

Supply and fix aluminium strip 25 mm x 4 mm complete with saddles and fixing screws etc for roof conductors and down conductors above ground level including removing u/s strips, complete all as specified and directed.

Supply and fix single pointed air termination aluminium rod,12 mm dia, 300 mm long, complete all as specified and directed by Engineer-in-Charge.

S&F porcelain strip holder on wall and roof of suitable size including removing broken u/s one, complete all as specified and directed.

M&L 32 mm dia. GI pipe, light grade of 1.3 mtr piece fixing in PCC cubical and complete connection of existing air termination rod complete all as specified and as directed,

M&L for PCC 1:3:6 type C1 (using 20 mm graded stone aggregate) as in coping and necessary formwork, weathering slightly rounded or chamfered angles and throating etc, complete all as specified and directed.

M&L for servicing of split type AC's of capacity 1.5/2 TR comprising of the following tasks installed at different locations including testing complete all as specified and directed. (a) Inspecting and checking the Indoor/outdoor units for noise free operation. (b) Checking the electrical connection for tightness. (c) Cleaning the condenser with cleaning agent followed with pressurized water and cleaning the cooling coil with air blower with water pressure gun. (d) Greasing/Oiling of condenser fan motor and blower motor. (e) Checking for any refrigerant leakage by pressure testing and repair it. (f) Checking for serviceability of remote control unit and replace with new battery.

M&L for servicing of window type AC's of capacity 1.5 TR comprising of the following tasks at different locations including Refixing, commissioning and testing complete all as specified and directed. (a) Inspecting, taking down, brushing cleaning with water pressure gun including acid/detergent wash of condenser and cooling coil. (b) Carry out operation of blower and compressor and ensure that satisfactory functioning of all parts. (c) Inspecting the leakage in the system by pressure test and repair it. (d) Checking of the earth continuity of electrical parts. (e) Checking the functioning of thermostat. (f) Inspection of all electrical parts. (g) Testing the machine for satisfactory operation.

M&L for repair to leaking area of split type AC unit of capacity 1.5/2 TR capacity including nitrozen pressure testing, dehydration and any type of gas charging, complete all as specified and directed.

M&L for repair to leaking area of window type AC unit of capacity 1.5 capacity including pressure testing, dehydration and any type of gas charging, complete all as specified and directed.

Supply and charging Refrigerant (R410,R32,R134 and existing refrigerent) to any type of AC unit including CFC free and non CFC Free AC, complete all as specified and directed.

Supply and fixing in replacement of old u/s starting relay 25 Amps for split type AC units of capacity 2 /1.5TR as required at site complete all as specified and directed.

Supply and fixing in replacement of old u/s start run capacitor 45/60 MFD for split type A/C's of capacity 1.5/2 TR complete all as specified and directed.

Supply & fixing in replacement of old u/s running capacitor for 36/60 mfd for AC window type 1.5 TR as required at site complete all as specified and directed.

Supply & fixing in replacement of old u/s running capacitor 6 mfd for blower motor as required at site complete all as specified and directed.

Taking out and replacement of condenser fan motor DC of split type AC 1.5/2 ton units of capacity 1.5/ 2 TR complete all as specified and directed.

Taking out and replacement of condenser fan motor AC of split type AC units of capacity 1.5/ 2 TR, complete all as specified and directed.

Material & Labour for Fixing the new blower motor DC in replacement of split type A/C unit as per existing model complete all as specified and directed.

Supply & Fixing of blower motor for split type AC unit as per existing model complete all as specified and directed.

Supply and fixing in replacement of blower motor for window AC as required at site single phase 230 volts double shaft with clamp bolts, nuts and rubber bushes including testing & commissioning complete all as specified and directed.

S&F in replacement of swing motor as per existing model/make for split type AC 1.5/2TR unit, complete all as specified and directed.

Supply and fix outdoor fan blade in existing model, complete all as specified and directed.

M&L in replacement of defective electronic components / IC Circuits of PCB card with display unit suitable of 1.5/2 ton split AC indoor unit as required on site complete all as specified and directed.

M&L in replacement of old u/s PCB card suitable of 1.5/2 ton inverter split AC as required on site including sensor complete all as specified and directed.

M&L in replacement of PCB card suitable of 1.5/2 ton window as required on site including sensor complete all as specified and directed

Disconnecting and taking down burnt condenser coil of capacity 1.5TR from split type AC unit and Supply and Fix new copper condesor coil as per existing model complete including testing all as specified and directed.

M&L in replacement of old u/s cooling coil assembly complete suitable for 1.5 / 2 ton indoor unit Split type AC including testing for satisfactory working condition as directed.

M&L in replacement of old u/s cooling coil of window type AC 1.5 TR including after taking out old unserviceable one, soldering/welding dehydration, complete all as specified and directed.

Disconnecting & taking down of window type AC of any make for replacement of old u/s condenser coil of existing size including soldering/welding and resting commissioning all as specified and directed.

Disconnecting and taking down burnt compressor of capacity 1.5TR from split type AC unit and Supply and fix new one as per existing model complete including testing all as specified and directed.

Disconnecting and taking down burnt compressor of capacity 2TR from split type AC unit and Supply and fix new one as per existing model complete including testing all as specified and directed.

M&L in replacement of 'R' type compressor for Window type AC,1.5 TR as per existing make including taking out old unserviceable one, flushing, dehydration and gas changing complete as specified and directed.

Dismantling of Split AC 1.5/2 ton complete unit from the existing place, complete all as directed.

Labour only for fixing of Split AC 1.5/2 ton including masonary work, complete unit complete all as directed.

Labour only for dismantling of window AC 1.5 ton from the existing place, complete all as directed.

Labour only for fixing of window AC 1.5 ton, complete all as directed.

M&L for install wall mounted stand for mounting indoor unit of split AC complete with all fixing arrangement, complete all as specified and directed.

M&L for wall mounted stand for mounting outdoor unit of split AC complete with all fixing arrangement complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of copper tubing 3/8” outer dia suitable for AC 2TR capacity all as specified and directed.

All as per item No 108 above but 5/8” outer dia.

M&L for providing insulation 9mm thick for dia 1/4",3/8",1/2",5/8",6/8" copper tubing’s from Indoor to outdoor units with foam insulation followed with clamps complete all as specified and directed.

M&L for the new remote with battery as per existing model for 1.5/2 TR split type A/C unit complete all as specified & directed.

M&L in replacement of wall mounted Voltage stabilizers 4/5 KVA single phase,230 Volts AC,voltage variation between 140- 300, intelligent time delay system, digital display, low and high voltage cut-off system, complete all as specified and as directed.

M&L for Taking out unserviceable indoor unit and supply and fix the new indoor unit of 1.5/2 TR capacity split AC 230 Volts single phase including installing, charging complete all as specified and directed.

M&L in replacement of 3 core copper PVC insulated of size 4 Sqmm complete all as specified and directed.

M&L for Taking out unserviceable outdoor unit and supply and fix the new OUTDOOR unit of 1.5/2 TR capacity split AC 230 Volts single phase including installing, charging complete all as specified and directed.

Repair & maintenance of Refrigerator / Water Cooler /deep freezer any capacity comprising of the following tasks at different location complete all as specified and directed by Engineer-in-Charge. (a) Inspecting, taking down, brushing cleaning with blower including acid/detergent wash of condenser and cooling coil. (b) Carry out operation of blower and compressor and ensure that satisfactory functioning of all parts. (c) Inspecting the leakage in the system. (d) Checking of the earth continuity of electrical parts. (e) Checking the functioning of thermostat. (f) Inspection of all electrical parts. (g) Testing the machine for satisfactory operation. (h) Check and correct all electrical wiring & test its functioning (j) Testing of Refrigerator after repair.

M&L in replacement of unserviceable sealed compressor with new hermetic sealed compressor of existing make including charging of refrigerant gas and testing on full load all as specified and directed by the Engr-in-Charge.

M&L in replacement of unserviceable compressor with new compressor of existing make including charging of refrigerant gas and testing on full load all as specified and directed by the Engr-in-Charge.

Taking down desert cooler of any size by disconnecting electrical supply, cleaning, oiling of all moving part of pump & exhaust fan/kit, Replacing PVC pipes, nozzles, distributors, pads, checking electrical connections complete all as specified and directed by Engineer-in-charge.

M&L in replacement of wood pads(set of three)as per sample all as specified and directed by Engineer-in-charge.

M&L in replacement of old u/s desert cooler pump including testing for proper functioning all as specified and directed.

M&L in replacement of old u/s exhaust fan kit with leg assembly 450mm sweep all as specified and directed.

M&L in replacement of old u/s exhaust fan motor with leg assembly 450mm sweep all as specified and directed.

M&L in replacement of old u/s exhaust fan blade 450mm sweep, complete all as specified and directed.

M&L front grill of desert cooler as per sample complete all as specified and directed by Engineer-in-charge

M&L for PVC flexible distributor heavy duty with nozzle as per sample all as directed by Engineer-in-charge.

M&L PVC insulated FRLS single core with strandard copper cable of size 4 Sqmm in two run and 4 Sqmm one run for earth and drawing through existing concealed conduit including taking down old UNSV cable acomplete all as specified and directed. NOTE :- 2 runs of 4 Sqmm cable and one run of 4 sqmm cable will be measured as one running meter for the purpose of measurement and payment.

M&L in replacement of old u/s Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20 Amp, complete all as specified and directed.

M&L in replacement of old u/s 3 pin socket metalic plug top industrial type all as specified and directed by Engineer-in-Charge.

sheetal engineering (BID ID -3369330)

M/S Anand Enterprises (BID ID -3373014)

Singh Associates (BID ID -3378268)