REPAIR/REPLACEMENT OF WORN OUT 33KV SWITCH GEAR,11KV CABLE, 110V/52V/24V BATTERY BANKS, MAINTAIN TO POWER OUTDOOR TRANSFORMER CT,PT,LA, LINE DIFFERENTIAL RELAYS, PROTECTIVE RELAYS WITH ACCESSORIES CALIBRATION OF RELAYS/ BREAKERS AT 33 KV SHANKAR VIH

Amount

Supply, laying, jointing and testing in replacement of XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured electric power cable (heavy duty) with multistranded aluminium conductors of sizes 3 Core, 300 Sqmm,33 KV grade (earth) system, laid in trenches/ ducts /encased in G.I. pipe/CI Pipe/fixed to pole including testing complete all as specified and directed. (location- Near Rangsala-500RM,Vikram Vihar corner to near mobile Tower-500RM=1000RM)

Material & Labour in replacement of complete jointing and testing, straight through joint, heat shrinkable type, suitable for HT, 33 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 300 Sqmm complete all as specified and directed.

Material & Labour in replacement of bore earthing 150 mm dia, depth 20 mtr below ground level using earth electrode 50 mm dia GI pipe medium grade duly drilled hole of 12 mm dia 15 cm C/C on both side of the pipe including lowering in bore well upto the depth of 19 mtr and one mtr above the ground level the pipe electrode should be filled around commercial salt charcoal dust/Breeze and magnesium phosphate of 30 cm layer each upto the full length of pipe. The bore well should have 06 mtr of length 150mm dia MS pipe for protection of bore well Welding of GI strip 50 x 6 mm on earth electrode GI pipe 50 mm dia upto the 20 mtr below ground level 15 mtr from the bore well to test point. Necessary water connection by GI steel tubing light grade10 mm dia complete all as specified and directed. Note :- GI strip more than 30 mtr will be measured and paid separately.

Supplying, laying, testing and connecting in replacement / rerouting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed of size 300 sqmm 3 core cable complete all as specified and directed. ( Loc :- Rangsala khyber to SFC)

Supply and fix in replacement 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 240 Sqmm to 300 sqmm 3 core complete all as specified and directed.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 m deep in soft/loose soil) for laying of cables or GI pipe and getting out including levelling of bottom surface to required level complete all as specified and directed.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc. complete all as specified and directed.

Supplying and laying in replacement un-reinforced precast concrete cable cover, class HV, type 2 with peak size 450mmx 180mm x 40mm complete all as specified and directed.

Laying only old HT cable cover (450mmx 180mm x 40mm) obtained from excavation complete all as specified and directed..

Supplying and laying in replacement un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm complete all as specified and directed.

Laying only old HT cable cover (300mmx 180mm x 40mm.) obtained from excavation complete all as specified and directed..

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

Removing excavated material (i.e. soil) from site to a distance n. exc 50 m away and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed

Material & Labour for ON load / ON line Centrifuging and dehydration including filtration and cleaning of transformer oil by dehydration machine of 33 KV transformer at site and topping up deficient transformer oil including testing of samples before and after dehydration and filtration complete all as specified and directed. Note :- Deficient quantity of Transformer oil required for top up shall be measured and paid separately .

Supply and topping up of transformer oil of approved quality as per IS :335(2018) having dielectric strength of 45-60 KV in 2.5mm gap for filling in OLTC & for topping up in transformer as required complete all as specified and directed.

Material & Labour for replacement earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip of size 32x6mm upto 7.5 Mtr length by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion Kg/Sqm with frame funnel and GI watering pipe of 20 mm dia medium grade wire mesh 40 mm dia bore light grade protection pipe to test point including testing etc. complete all as specified and directed.

Material & Labour for cutting and removing grass, vegetation bushes etc. from surrounding 4 pole/6 pole HT structure/ 33 KV yard and etc. , outside area of HT installation and removing all rubbish to a distance not exceeding 50 m complete all as specified and directed.

Material and labour for spreading of stone aggregate of nominal size not more than 63 mm under 4/6 pole HT structure /surrounding area of outdoor RMU manually without damaging any equipments, cable or parts , spreading & levelling of finished gravel uniformly in layers n. exc. 15 cm thick watered and rammed to true surface complete all as specified and directed.

Supplying and fix in replacement of sub station electrical insulation mat of size specification as per IS 15652 2006 complete all as specified and directed for the following

11 Kv size 2 Mtrx1 Mtrx2.5mm

33Kv size 2 Mtrx1 Mtrx3mm

Supply in replacement of rubber hand gloves ISI Marked suitable for working on HT 33/11 KV complete all as specified and directed.

Material and labour for servicing of HT control panel including outdoor CT, PT and relays in control panel of outdoor breaker of capacity 1250 Amps and rating 36 KV complete as details mentioned as under:- Details of servicing of HT Panel (breaker) :- (i) Checking of Closing/Tripping coil assembly (ii) Adjustment of mechanism if required. (iii) Clean the circuit breaker to remove dust and dirt. The envelope of the vacuum interrupter and insulating materials shall be wiped with a clean cloth. (iv) Checking the contact for wear. Replace if the contact piece has worn out. (v) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts (vi) Check for rust and wear. (vii) Checking of spring charge mechanism (viii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (ix) Check for loosened connections, rust, damaged lead wires. (x) Checking of control circuit & tighten the connections if any.

Material & Labour for Servicing & Repairs to Air-break switch (isolator) off load, rotating type, 33 KV, 800 Amps to 1250 Amps capacity, with proper alignment of isolator rotating blades, with fixed contact jaws, arcing horns, applying petroleum jelly to moving mechanism, cleaning and lubricating to isolator gear box assembly, tightening all nuts, bolts and clamps of jumpers etc., repairing to isolator gear box assembly and making in proper serviceable condition for smooth functioning, testing and commissioning on load complete all as specified and directed. (Note: Spare parts will be paid under respective items)

Supplying only in replacements, male/moving contact/ rotating blade of HDE copper silver plated of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed.

Supplying only in replacements, Fixed Contacts, made of HDE copper, silver plated, of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed.

Supply, installation, testing and commissioning in replacement of lightening arrestor SMX type outdoor complete with all fittings transmission class 36 KV 10 KA 50 Hz suitable for system voltage 33/36 KV complete all as specified and directed.

Supplying ,fixing , testing of master trip relay in replacements , 24 Volt DC in control panel including wiring complete all as specified and directed.

Supplying ,fixing , testing of master trip relay in replacements ,110V Volt DC in control panel including wiring complete all as specified and directed.

Supplying ,fixing , testing of master trip relay in replacements ,50 Volt DC in control panel including wiring complete all as specified and directed.

Supplying ,fixing , testing of Trip circuit supervision relay in replacements, 50/24 Volt DC in control panel including wiring complete all as specified and directed.

Supplying ,fixing , testing of DC supervision relay in replacements, 50/24 Volt DC in control panel including wiring complete all as specified and directed.

Supplying and fixing PT fuse for 11 KV/110 V PT ccomplete all as specified and directed.

Supply, installation and testing in replacement of over current & earth fault feeder protection relays comprising of the following protection auxillary working voltage at 110 V to 24 V DC supply, with 4 count inputs CT / 15 / 1 A, 5 discrete & 9 discrete outputs DNP3, modbus RTC, IEC 60870-5-103 communication flush mounted (a) over current ANSI code 50/51 (b) Re-closer ANSI code: 79 (c) cold pickup (d) Earth fault code 50G/51G (e) Phase under current ANSI code: 37 (f) Restricted earth fault ANSI code : 64 REF (g) Negative sequence overcurrents ANSI code : 46 (h) Fault recording (i) Event recording (j) Disturbance Recording (k) Trip circuit supervision ANSI code : TCS

Supply and fix in replacement Digital volt meter 0-15 KV in HT 11 KV VCB panel working on auxilary supply of 110V including associated wiring, if required, complete all as specified and directed.

Supply & Fixing in replacement of PG clamps aluminium cast alloy suitable for ACSR conductor suitable for (weasel / panther ) for straight connections/ cross / t connections of type( as per conductor) 33 kv yard with GI nuts, bolts etc. complete all as specified and directed.

Material and labour for Preparation of old painted surfaces of 33 KV yard including all steel structures/ frame/gate of bus bay at Grid at an height of 10 mtrs to 15 mtr from GL consisting for 5 nos isolator per bay CT and PT and VCB supporting structure by brushing/cleaning stains, greasy spots with thinner, applying two coats of spray painting of existing colour (synthetic enamel paint) with spraying machine in the yard complete all as specified and directed. Note:- Including all safety measures.

Material & Labour for replacement of aluminium jumper made of ACSR conductor of type Dog / Panther / of size not less than 1 mtr of length conductor of 33 KV yard. (1x 06 nos jumper )

Material and labour for Preparation of old painted surfaces of fencing of 33 KV yard shankar vihar grid by brushing/cleaning stains, greasy spots with thinner, applying two coats of painting of existing colour (synthetic enamel paint) in the yard complete all as specified and directed.

Material & Labour for Laminated paper sticker of letter size 250 mm x 8 mm in Red/Black/white colour and printing of SM/MES No/feeder name/CT ratio etc. as provided by AGE (U) E/S No-III in black colour and pasting the same on HT/LT panels complete all as specified and directed. Note:- Each sticker shall have different printing matter.

Supply and fix in replacement of silica gel breather assembly complete with breather unit and silica gel including connecting with proper rubberised gasket and necessary fittings GI fittings for fixing/assembling upto 1000KVA transformer complete by removing the unserviceable silica gel breather assembly all as specified and directed.

Supply and installation in replacement Anti-condensation space-heater with Thermostatic control in cable and circuit breaker compartments of HT switchgears complete all as specified and directed.

Taking out of heavy duty colling fan ,3 phase, 50 Hz of size 18" form power transformer 33/11 KV of capacity 8/10 MVA, servicing of the fan by opening including cleaning, greasing, replacement of defective spares parts such as bearing/bushing, capacitor, canopy, clamp, blade, etc. with new one and painting of fan body with synthetic enamel paint and re-assembling in same position after repairs and testing complete all as directed by Engr-in-Charge. Note :- (a) The cost of spare parts deemed to be included in quoted rates . (b) Rewinding of the fan will be measured and paid separately under respective item of schedule here-in-after.

Material & Labour in replacements heavy duty colling fan, 3 phase, 50 Hz of size 18" of power transformer 33/11 KV capacity complete all as specified and directed.

Supply & Fixing in replacement of hooter complete with switch etc. suitable for warming HT 11 KV VCBs internal chambers

Supply & Fixing in replacement of Exhaust fan 450 mm sweep heavy duty with heavy duty bearings , balanced blades lovers single phase supply complete with accessories complete all as specified and directed.

Material & Labour for re-painting of HT 11 KV VCB panel consisting with 2 coats of super enamel paint over a coat of red-oxide with sparygun including writing of Incoming/ outgoing/Bus cupller Name/numbers in appropriate size of letters complete all as specified and directed.

Opening of the VCB , 11 KV 400 to 2000 Amps of any make by removing of the Breaker from the existing position after disconnecting all the connections from the system, servicing, Overhauling of the same, checking of the same for proper operation, spring charge, charged control cables are fastened tightly to the terminals, any abnormality, VCB, cleaning the surface of the insulators, fasten the bolts, checking and correcting interrupting units, mechanism, linkages etc., fasten the hardwares of control wiring, check that the split pins, Circlips, dowell pins etc. have not come out and are intact, lubricate the mechanism, moving parts by Castrol, all purpose grease or equivalent, check that the vaccum pots/chambers is within limit including opening of the shutters properly, replacing of the trip catch, roller, holding catch, stopper, close push button, closing cum reassembling, control limit switches reconnecting of the breaker for smooth functioning complete all as specified and directed.

Decarbunizing/cleaning complete HT cable outgoing/ Incoming circuit of CTs & PTs, 3 phase, cleaning with CTC and ensure proper decarburizing, re-fixing the same after applying backtol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts thimbles for incoming and outgoing system complete, as specified and directed, rate quoted is inclusive of bactol red, CTC & cotton waste provided by contractor.

Material and labour for testing and calibration of 11 Kv HT Panel Complete as mentioned under - (i) Primary Injection Test of CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (iv) Contact resistance test for all three poles (v) Closing coil resistance (vi) Tripping coil resistance. Testing of following relays of control panel with Secondary Injection Kit, checking and programming of relay :- (i) Over current and earth fault relay (ii) DC Supply supervision relay. (iii) Master trip relay Note:- (I) DC Supply for relay testing shall arranged by the contractor.

Material & labour for repair /overhauling of OLTC ( On load tap changer ) of 33KV/11KV Power transformer of capacities 8/10 MVA at site by carried out following work:- (a) Opening of top plate of OLTC. (b) Draining out of transformers oil from the OLTC. (c) Stoping of leakage of oil from main shaft of OLTC including replacement of oil seal and all gasket of OLTC. (d) Checking /servicing of moving and fixed contact of OLTC and resistance test of contact. (e) Flushing of OLTC assembly with hot new oil and removing of sludge. (f) Filling of new transformer oil in OLTC . (g) Tightening of all tapping leads and connections. (h) Refixing of top plate of OLTC in original position after overhauling. (i) Electrical testing of manual/auto operation of OLTC. Note :- Transformer oil as required shall be measured and paid separately under respective item here-in -before as supply only.

Supply, fixing and testing in replacement of the 33 KV current Transformer shall be paper impregnate oil immersed type, single phase 50 HZ confirming to IS:2705/1992 ( Part I,II,III & IV) with latest amendment in all respect except where ever modified in this specification:- (a) Normal system voltage (KV rms) 33 KV (b) Highest system voltage (KV rms) 36 kv (c) Frequency 50 Hz (d) Transformation ratio (CT Ratio) 400-200/1-1-1-1A (e) Rated output (VA burden) core 1-15 VA, Core 2-30 VA (f) Accuracy class -core1-1.0, core2-5P10 (g) Short time current 31.5KA RMS for 3 sec (h) Rated continuous thermal current 120% of rated current (j) Insulation Level- 36/70 KV.170 KVP (k) Max. temp. rise over max. ambient temp. of 50 deg. C at rated continuous thermal current at rated frequency and with rated burden.

Supply, jointing and testing of end termination joint in replacement of outdoor type heat shrinkble type complete with jointing material and accessories suitable for 33 KV(E) XLPE armoured aluminium conductor cable of size 300 to 400 sqmm 3 core complete all as specified and directed.

Supply, jointing and testing of end termination joint in replacement of indoor type heat shrinkble type complete with jointing material and accessories suitable for 33 KV(E) XLPE armoured aluminium conductor cable of size 300 to 400 sqmm 3 core complete all as specified and directed.

Material and labour for route tracing the 11 KV HT cable.

Material and labour for route tracing the 33 KV HT cable.

Material and labour for preparation of old painted surfaces of floor mounted outdoor type power transformer 8 MVA capacity by cleaning/rubbing with course cloth wire brushes to remove dust deposits oil grease and repainting by applying one coat of spray paint with synthetic enamel paint of approved colour without disturbing/damaging the electrical net work system/equipment including making of capacity/rating/incoming outgoing details in capital english alphabet of size complete all as specified and directed.

Taking down defective unserviceable 33 KV HT bush porcelain insulator and supply and fix new 33 Kv HT bush porcelain insulator for power transformer outdoor 10 MVA all complete all as specified and directed.

Opening of HT box of power transformer, disconnecting/ Isolating HT Cable connections of power transformer of capacity 10 MVA capacities, checking of transformer pressure release valve, oil condition and charging of transformer and making all necessary connections/ assembly & control circuits complete all as specified and directed.

Supplying, laying, testing and connecting in replacement / rerouting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with 240 Sqmm, 3 Core multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed .(location: APS School Gate to upper sv power house-510 RM)

Supplying, laying, testing and connecting in replacement / rerouting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with 185 Sqmm, 3 Core multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed (Location :-From Existing RMU RANGPURI TO sub Stn. 1 and Sub Stn 1 to 2 &3-1090 RM, Shankar vihar P/H to near block P41-510 RM, )

Taking out HT11 KV UG cable of size 240/185 sqmm 3 core at site from trench/pole complete all as specified and directed.

Material & Labour in replacement of complete Jointing and testing, straight through joint, heat shrinkable type, suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 240 Sqmm complete all as specified and directed..

Material & Labour for complete Jointing and testing, indoor end termination heat shrinkable type joint , suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 240 Sqmm. Against Joint Failures complete all as specified and directed.

Material & Labour in replacement of complete Jointing and testing, straight through joint, heat shrinkable type, suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 185 Sqmm complete all as specified and directed.

Material & Labour for complete Jointing and testing, indoor end termination heat shrinkable type joint , suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 185 Sqmm. Against Joint Failures complete all as specified and directed.

Material & Labour for boring of holes under road/pavement/ hard standing including material and labour for HDPE pipe of 160mm dia suitable for 06 Kg/cm working pressure. Wall thickness of pipe not less than 6.5 mm. Note :- (i) The contractor will be responsible for taking permission from appropriate authority i.e NHAI/IGL/if needed Units, if needed for above said work. (ii) Depth of the trench less shall not less than 2 mtr from ground level otherwise specified due to site requirement and contractor has to maintain the depth of trenchless upto 4 mtrs from ground level if required as per site condition all rates quoted shall be deemed to be included to maintain the trench less depth as directed during excavation to avoid damages to the existing services . (iii) The cost of quoted is deemed to be included for repairs/ rectification for damaged done to the existing /communication and water supply system/sewage system during excavation of work.

Supply and fix cable route indicator made of RCC with 8 mm TMT @ 150mmc/c both ways size 1.5 M height x 60 cm wide x 10 mm thick tapered on top visible above ground duly painted with synthetic enamel paint of yellow colour base and letters with black paint. The description for writing for HT cable 11 KV will be given by Engr-in-charge complete all as specified and directed.

Rajindera Enterprises (BID ID -3180313)

Raman Electric Trading Co (BID ID -3180747)

DS CONSTRUCTION (BID ID -3180622)

MV Engineers And Contractors (BID ID -3179954)

Vijay Electricals (BID ID -3180220)