Military Engineer Services Tender
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Costs
EMD
₹ 1,61,500Document Cost
₹ 1,000Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_MES_670320_2Tender No
CWE(U)/D-05/2024-25Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
BOQ Items
Material and labour for emergency maintenance work of 33 KV HT underground lines by deploying skilled electricians and labours at faulty site having team of minimum 6 persons and transportation including hydraulic machine and other tools and plant required at site for fault rectification per call.
Note:- Contractor or his rep shall come to the site of breakdown within one hour of notification of breakdown . In case the rep or contractor shall not come to the site of breakdown and start attending breakdown within 1.00 hour a penalty of Rs 1000/- per fault per hour will be imposed over contractor and will be deduct from his dues.
11
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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 of CG make :-
(a) Opening of top plate of OLTC.
(b) Draining out of transformers oil from the OLTC. (c) Stopping 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 No 44 here-in -after as supply only.
2
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Material and labour for servicing /testing of 33 KV GIS control panel including indoor CT, PT and relays system in control panel of indoor SF 6 Gas Circuit Breaker of capacity 1250 Amps and rating 36 KV by the authorised agency. The complete as details mentioned as under:-
(a) Details of servicing of breaker :-
(i) Checking of Closing/Tripping coil assembly
(ii) Adjustment of mechanism if required.
(iii) Clean the circuit breaker to remove dust and dirt. (iv) 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.
(v) Check for rust and wear.
(vi) Checking of spring charge mechanism
(vii) Visual check for rust and deformation.
(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.
(xi) Check close & trip coil.
(xii) Replacement of Dashpot/shock absorbers .
(xiii) Replacement of carbon brush of spring charging motor
(xiv) Cleaning of porcelain bushing
(xv) Checking of limit switch
6
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(b) The following test shall be carried out:-
(i) Primary Injection Test of outdoor 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.
(c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay :-
(i) Over current and earth fault relay
(ii) Line differential relay
(d) Testing of following Aux relay:-
(i) DC Supply supervision relay.
(ii) Trip Circuit supervision relay
(ii) SF 6 gas pressure low.
(iii) PT Fuse failure relay
(iv) Master trip relay
(v) Under voltage relay
(vi) Over voltage relay
-
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Material and labour for servicing /testing of transformer breaker/control panel including outdoor CT, PT and relays in control panel of indoor 33 KV GIS breaker Panel of capacity 1250 Amps and rating 33 KV complete as details mentioned as under:-
(a) Details of servicing of breaker :-
(i) Checking of oil level in each pole
(ii) Checking of visible oil leaks
(iii) Cleaning of porcelain bushings
(iv) Checking of oil leakage from oil dash pot in operating mechanism
(v) Checking of contact burning
(vi) Cleaning and lubricating
(vii) Checking/tightening of all electrical terminals and earth terminals and earth connections.
(viii) Checking of auxiliary switch
(ix) Checking of limit switches and friction clutch.
(x) Checking of closing/tripping coils
(xi) Checking of spring charging mechanism
(xii) Adjustment of mechanism if required.
(xiii) Check for rust and wear.
(xiv) Visual check for rust and deformation.
(xv) Check for loosened bolts and nuts, broken spring washers and snap pins etc.
(xvi) Check for loosened connections, rust, damaged lead wires.
(xvii) Checking of control circuit & tighten the connections if any.
(xviii) Replacement of Dashpot/shock absorbers .
(xix) Replacement of carbon brush of spring charging motor
2
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Material and labour for epoxy coating on CT, PT, insulators in 11 KV VCB panels complete all as directed by Engr-in-charge
12
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Material and labour for servicing /testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 1250/800/630 Amps and rating 11 KV complete as details mentioned as under:-
(a) Details of servicing of breaker :-
(i) Adjustment of mechanism if required.
(ii) 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.
(iii) 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.
(iv) Check for rust and wear.
(v) Check Spring Tension and pitting of the Cluster Contacts.
(vi) Visual check for rust and deformation.
(vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc.
(viii) Check for loosened connections, rust, damaged lead wires.
19
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(ix) Check whether the contacts are damaged by arcing.
(x) Checking of control circuit & tighten the connections if any.
(xi) Check close & trip coil.
(xii) Checking of Jaw Contacts Conditions and repair/adjust.
(xiii) Replace the jaw contacts, If required.
(xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish.
(xv) Replacement of Dashpot/shock absorbers .
(xvi) Replacement of carbon brush of spring charging motor
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(b) The following test shall be carried out:-
(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.
(c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay :-
(i) Over current and earth fault relay
(d) Testing of following Aux relay
(i) DC Supply supervision relay.
(ii) Master trip relay
-
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Material & labour for repair /servicing of marshalling box panel of 33KV/11KV Power transformer of capacities 8/10 MVA including following :-
(a) Testing & repair to control wiring.
(b) Testing of OTI, WTI gauge/ meter matching with OTI, WTI indicator in RTCC panel.
(c) Testing of fuse/ MCB (d) Replacement of gaskets & locks including preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of etc. complete all as specified and directed.
1
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Material and labour for Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of Terminal Kiosk (TK) at 33 KV Yard with spraying machine including writing description of equipment in block English letter 25 mm high with white /black synthetic enamel paint complete all as directed by Engr -in-Charge.
1
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Disconnecting power supply, Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of 33 KV 8/10 MVA transformer and its accessories with spraying machine in the yard including writing description of equipment in block English letter 50 mm high with white/Black synthetic enamel paint and re-connection after painting complete all as specified and directed.
2
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Material & labour for cleaning of the bay/yard manually without damaging any equipments, cable or parts of the 33 KV Grid bays, removing of dusts/grass/hurbs etc. all as directed by Engr -in-charge.
1
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Material & labour for cutting and removing grass, vegetation bushes etc. from inside boundary wall and outside boundary wall of 33/11 KV Sub Stn, around 33 KV towers and removing all rubbish to a distance not exceeding 50 m as directed.
100
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Supplying ,fixing , testing of master trip relay , 50/24 Volt DC in control panel including wiring and taking down old UNSV relay complete all as specified and directed.
4
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Supplying ,fixing , testing of Trip circuit supervision relay, 50/24 Volt DC in control panel including wiring and taking down old UNSV relay complete all as specified and directed.
4
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Supplying ,fixing , testing of DC supervision relay relay , 50/24 Volt DC in control panel including wiring and taking down old UNSV relay complete all as specified and directed.
4
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Supplying ,fixing , testing of SF 6 gas pressure supervision relay , 50/24 Volt DC in control panel including wiring and taking down old UNSV relay complete all as specified and directed.
4
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Supplying and fixing in replacement PT fuse for 11 KV/110 V PT complete as directed at site.
2
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Supply installation, testing and commissioning in replacement Potential Transformer (PT)cast resin indoor single phase ( Earthed type) of voltage ratio 33 KV/110 V class 3P - 0.5-3, burden 50 VA insulation level of 70/170 KV as specified below:-
(a) Normal System Voltage-33 KV
(b) Highest System Voltage-36 KV
(c) Rated Primary voltage- 33 KV/√3
(d) Rated secondary voltage- 110 V/√3
(e) Nos of Lt winding 2
(f) Metering Core Accuracy class - 0.5
(g) Metering Core Rated Burden- 50 VA
(h) Nos of Phase- Single (Earthed Type)
(j) Protection core accuracy class - 3P
(k) Protection core rated Burden - 50 VA
(l) Rated Voltage Factor - 1.2 continuous & 1.5 for 30 Sec
(m) Insulation Level- 36/70 KV.170 KVP
(n) Temp rise at rated continuous thermal current over ambient at site - 45 0C
(o) Porcelain Bushing type - Hollow Cylinder
(p) 1.2/50 micro second impulse withstand test vol -170 KV (Peak)
(q) Creepage distance of HV bushing - 900 mm (min)
(r) Primary & Secondary winding material - Copper
1
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Supply, installation, testing and commissioning in replacement 33 KV current transformer cast resin indoor single phase, oil immersed and self cooled type of ratio 800-400/1-1-1-1 suitable for metering and protection equipment installed on control panels terminal block as specified below :-
(a) Normal System Voltage-33 KV
(b) Highest System Voltage-36 KV
(c) Rated Primary current- 800-400 Amp
(d) Rated secondary current- 1 Amp
(e) Nos of Core - 4
(f) Core01: Accuracy class 5P10, 10VA, ALF ≥10
(g) Core02: Accuracy Class 1.0, 10VA, ISF ≤ 5
(h) Core 03 Protection core accuracy class -PS, Protection knee point voltage- 300 Volt at lower ratio
(j) Core 04-Spare
(k) Continuous thermal current rating 120 % of rated primary current (l)Temp rise at rated continuous thermal current over ambient at site - Less than or equal to 45 degree C
(m) Insulation Level- 36/70 KV.170 KVP
(n) 1.2/50 Micro second impulse withstand test voltage- 170 KV (peak)
(o) Short time thermal current rating for one second - 25 KA/1 Second
(p) Dynamic Current Rating - 62.5 KA ( peak)
(q) Porcelain Bushing type - Hollow Cylinder
(r) Creepage distance of HV bushing - 900 mm (min)
(s) Primary & Secondary winding material - Copper
1
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Material & labour in replacement Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized strip 32mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised iron side complete all as specified, including testing and commissioning complete all as directed.
Note :-
(a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in soft/loose soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 type C2 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement 6mm dia both ways as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc.
(b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.
4
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Taking out of heavy duty colling fan ,3 phase, 50 Hz of size 450mm form power transformer 33/11 KV of capacity 12/16 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.
2
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Material & labour for Rewinding of heavy duty colling fan, 3 phase, 50 Hz of size 450mm of power transformer 33/11 KV capacity with super enameled copper wire as per existing gauge including heating, varnishing, etc. complete as required and directed.
2
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Supplying, installation, commissioning and testing in replacement of 11 KV Current Transformer (CT`s), indoor type, epoxy cast bar Primary type having ratio 1200/600/5-5-5 Amps , core -1, Class 10 P20 , 15 VA for protection , Core 2 Class 0.5 , 15 VA for metering, core -3 for differential protection , Short circuit time rating 18.4 kA for 3 Sec including associated wiring including taking down old UNSV CTs complete all as specified and directed.
1
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Supplying, installation, commissioning and testing in replacement of 11 KV Current Transformer (CT`s), indoor type, epoxy cast bar Primary type having ratio 800/400/5-5-5 Amps , core -1, Class 10 P20 , 15 VA for protection , Core 2 Class 0.5 , 15 VA for metering including associated wiring including taking down old UNSV CTs complete all as specified and directed.
1
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Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed.
1
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Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 250/125/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed.
1
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S&F in replacement of vacuum interrupter suitable for 1250 amps, 11 KV HT VCB complete all as specified and directed
1
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Supplying, laying, jointing testing and connecting in replacement , XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 33 KV (E) grade, of size 400 Sq mm, 3 core, laid in trenches complete all as specified & directed.
400
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Supplying, laying, jointing testing and connecting in replacement 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 fixed to pole, including jointing & testing of size 240 Sqmm 3 core complete all as specified and directed.
250
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All as per Item Ser No 31 above but size 300 Sqmm 3 Core
250
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All as per Item Ser No 31 above but size 400 Sqmm 3 Core
250
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Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom surface to required level all as specified and directed by Engineer- in- Charge.
1232.05
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Returning filling in,. Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.
747.9
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Removing excavated material (i.e. soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.
484.15
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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.
Note :- Measurement shall be taken after punning down.
330.39
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Supplying & laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm in trenches for protecting under ground cable as per IS (for 33 KV Cable) complete all as specified and directed.
913
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All as per srl item No 38 here-in-before but using old reinforced precast concrete cable cove obtained under srl item No 30 here in before.
609
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Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm.
1500
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All as per srl item No 40 here-in-before but using old un-reinforced precast concrete cable cover obtained under srl item No 31, 32 & 33 here in before.
1000
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Material & labour for repair /servicing of RTCC panel of OLTC control panel of 33KV/11KV Power transformers of capacities 8/10MVA including repair /replacement to control wiring, repair to operation of OLTC from RTCC and checking of following and testing complete all as specified and directed :-
(a) Digital Winding temp meter.
(b) Digital oil temp meter.
(c) Digital remote tap position indicator.
(d) Indicator lamps.
(e) Space Heater.
(f) Fan auto working switch.
(g) Analog to digital convertor and other spares required for displaying winding and oil temp.
2
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Material & labour for ON load Centrifuging and dehydration including filtration and cleaning of transformer oil by dehydration machine of 33/11 KV transformer installed at AHRR grid 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 under item No 44 here-in -after as supply only.
12000
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Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up as required and directed.
1000
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Supply & Fixing in replacement silica gel with breather assembly, suitable for power transformer 33KV/11KV of 8/10 MVA capacity complete all as specified and directed
2
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Supply and fill in replacement silica gel in breather of transformer complete all as directed
25
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Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm to 300 Sqmm 3 Core .
6
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Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 400 Sqmm 3 Core .
4
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Supply and fix 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 400 Sqmm.
6
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Disconnecting HT supply from 11 KV , 630 Amps RMU , 5/4 way and servicing and overhauling of RMU , checking of tripping mechanism , greasing of moving contacts , cleaning of carbon from main contacts , checking of spring tension ,Checking of loosened bolts and nuts, checking of loosened connections, rust, damaged lead wires, checking of spring charging motor , Improvement of resistance of CTs , PT, epoxy insulator and epoxy body by applying post heated varnish complete all as directed and testing on load
3
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Material and labour for checking the existing pressure of SF6 Gas in Gas Chamber of 11 KV , 630 Amps RMU , 5/4 way before filling and topping up the SF6 gas in the chamber of RMU including supervision of gas filling/topping up process and checking the pressure of gas after filling complete all as directed at site.
6
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Supplying and fixing in replacement operating mechanism (2PA Mechanism W/O hex Rod) for 11 KV , 630 Amps RMU , 5/4 way complete all as directed at site by Engr-in -charge
3
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Supply and fixing in replacement cable Boots 11 KV , in 630 Amps RMU , 5/4 way complete all as directed at site by Engr-in -charge
6
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Supplying and fixing in replacement associated ring-core cast-resin insulated CTs 200/100/1 -1 Amp , 2.5 VA, 10P10 for protection in 11 KV, 630 Amps RMU complete all as directed by Engr -in -charge
1
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Supplying and fixing in replacement associated ring-core cast-resin insulated CTs 100/50/1-1Amp , 2.5 VA, 10P10 for protection in 11 KV, 630 Amps RMU complete all as directed by Engr -in -charge
1
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Supplying and fixing in replacement 1-Ph (11kV/rt3):110 VAC, 50VA Potential transformer in 11 KV, 630 Amps RMU (Ring main unit) complete all as directed by Engr -in -charge
1
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Supplying and fixing in replacement 1-Ph (11kV/rt3):110VAC, 500VA Auxiliary transformer in 11 KV, 630 Amps RMU (Ring main unit) complete all as directed by Engr -in -charge
1
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Supplying and laying as replacement in sub station fixing 3.3 to 11 KV electrical insulation mat of size 5 mtr x 1 mtr x 2.5 mm thick specification as per IS 15652 2006
6
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Supplying and fixing Potential Transformers, Draw-out type in existing HV panel for easy maintenance, 11kV/rt3:110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation including taking down old UNSV PTs complete all as specified and directed
2
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Supplying, installation, commissioning and testing of PT unit three phase, three limbs, upto 11 KV draw-out type, resin cast dry type, single ratio having primary voltage 11 KV & secondary voltage 110 volts, 50 VA class-1 including necessary bus bar connections & wiring for metering including taking down old UNSV PTs complete all as specified and directed
2
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Supply & Fixing LED indication lamp for breaker ON/OFF/TRIP/Breaker Spring Charged/R-Y-B etc. for 11 KV control panel and associated wiring, if reqd, including taking down old UNSV LED indication complete all as specified and directed
50
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Supply and installation Anti-condensation space-heater with Thermostatic control in cable and circuit breaker compartments of HT switchgears including taking down old UNSV heater complete all as specified and directed
18
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Supply & Fixing of vacuum interrupter suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV vacuum interrupter complete all as specified and directed
4
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Supply & Fixing of isolating contact assembly suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV contact assembly complete all as specified and directed
4
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Supply & Fixing of fixed contact block complete suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV contact block complete all as specified and directed
6
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Supply & Fixing of moving contact block complete suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV moving contact block complete all as specified and directed
6
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Supply & Fixing of motor & gear assembly 230V AC suitable for 800/1250 amps, 11 KV HT VCB, testing & puting on load including taking down old UNSV motor gear assembly complete all as specified and directed
6
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Supply & Fixing of spring gear suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV spring bearing gear complete all as specified and directed
4
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Supply & Fixing of closing coil assembly 24 volts DC suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV closing coil complete all as specified and directed
10
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Supply & Fixing of tripping coil assembly 24 volts DC suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV tripping coil complete all as specified and directed
10
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Supply & Fixing of panel door lock suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV panel door lock complete all as specified and directed.
10
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Supplying & Fixing auxillary switch (7 No + 7NC) suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV auxillary contact complete all as specified and directed
10
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Supply and fix T&C Switch for Breaker ON/OFF purpose in HT 11 KV VCB panel including associated wiring, if reqd, for proper functioning of switch including taking down old UNSV T& C switch complete all as specified and directed
10
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Supplying & Fixing support rod with screws suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV support road with screw complete all as specified and directed
10
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Supplying & Fixing support insulator suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV support insulator complete all as specified and directed
10
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Supplying & Fixing upper connector suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV upper connector complete all as specified and directed.
10
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Supplying & Fixing lower connector suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV lower connector complete all as specified and directed.
10
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Supply & fix of set of 6 Nos fixed arcing contacts suitable for 800/1250 amps, 11 KV HT VCB including taking down old UNSV fixed arching contact complete all as specified and directed
10
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Supply & Fixing Caution plate “CAUTION MEN AT WORK of size 40cmx15cm made out of white acrylic sheet with Red coloured glow tape including taking down old UNSV caution plate complete all as specified and directed
4
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Supply & Fixing of HRC fuse of capacity 20 Amps for VCB including taking down old UNSV PTs including taking down old UNSV HRC fuse complete all as specified and directed
4
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Supply & Fixing of MCB 20 to 32 Amps DP including taking down old UNSV MCBs complete all as specified and directed
4
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Supply & Fixing of Digital Amp meter (CT secondary site selectable 5A) for 11 KV VCB Control Panel including taking down old UNSV meter complete all as specified and directed.
4
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Supply & Fixing of Digital Volt meter Secondary voltage 110 V for 11 KV VCB Control Panel including taking down old UNSV meter complete all as specified and directed.
4
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Supply & Fixing sub class B bricks having minimum compressive strength 75 Kg/ Sqcm laid in trenches for cable protection etc. complete all as directed by Engineer-in-Charge.
17357
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All as per srl item No 84 here-in-before but using old bricks obtained under srl item No 1 here in before.
11571
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Supply, laying jointing , testing and connecting in replacement of LT XLPE PVC insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, IS 7098 marked, suitable for LT 1100 Volt system, laid in trenches fixed to pole, including jointing & testing complete all as specified and directed of following sizes:-
Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately under respective items of schedule.
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16 Sqmm 4 core
1000
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25 Sqmm 4 core
500
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35 Sq mm 3.5 core
500
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50 Sq mm 3.5 core.
500
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70 Sqmm 3.5 core
500
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95 Sqmm 3.5 core
300
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120 Sqmm 3.5 core
300
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185 Sqmm 3.5 core
250
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240 Sqmm 3.5 core
200
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Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 160 mm dia suitable for 0.6 mpa working pressure complete all as directed by Engr-in-charge.
12
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Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 50 to 150 mm bore and making good both ends all specified and directed
30
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Supply & Fixing in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes
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150mm
6
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100 mm .
6
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80 mm
6
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50 mm
12
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Taking out faulty underground 1100 Volt LT cable of different sizes by excavation and removing bricks of any size and relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. Note: (a) 1100 Volt LT cable & joints shall be measured and paid for separately under respective items of schedule. (b) Retrieved old serviceable bricks will be laid in trenches for cable protection. If extra bricks and sand required at site shall be measured and paid separately under respective items of BOQs.
(c) Excavation and earth work will be measured and paid for separately under respective items of schedule.
50
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Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade complete all as directed for the following sizes :-
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16-50 Sqmm x 3.5 core/ 4 core
8
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70-150 Sqmm x 3.5 core
4
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185 -240 Sqmm x 3.5 core
4
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Material & Labour for re-painting of LT Panels/feeder pillars of approx size 2 to 4 Sqm with 2 coats of super enamel paint over a coat of red-oxide with sparygun including writing of feeder pillar numbers in appropriate size of letters as directed.
5
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All as per item No 92 above but of approx size upto 1.90 Sqm
5
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Supplying and fixing in replacement of LED street light fitting fitting 90 Watt complete all as specified and directed.
40
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Supplying and fixing in replacement LED street light fitting fitting 60 Watt complete all as specified and directed.
45
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-
Supplying and fixing in replacement LED Flood light Watt 100 Watt complete all as specified and directed.
30
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-
Supplying and fixing in replacement LED Flood light Watt 120 Watt complete all as specified and directed.
30
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Supplying and fixing in replacement LED Flood light Watt 200 Watt complete all as specified and directed.
20
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Supply installation & commissioning in replacement of 24V, 40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts, 00 AH sealed maintenance free batteries. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge suppression . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller, DC digital ammeter, DC digital voltmeter, Potentiometer, DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom. The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- (Location : Manekshaw Centre )
1
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(a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1
(c) On load input power factor - 0.8
(d) On load unit watt efficiencies- 80% (e) No load losses of complete charge- 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell .
(j) Float charging -2.15 V/Cell
(k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode.
(l) Reverse polarity -No damage will caused . A visual indication for reverse polarity will appear with an audio alarm.
(m) Short circuit-MCB protection provided.
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Supply, installing, testing and commissioning in replacement of factory made and tested (including CPRI type tested certified panel) LT Panel board ,cubical compartmentalized , out door type double door , plate form mounted, suitable for 415 volts, 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated aluminium bus bars four pole installed on porcelain/SMC insulator. The panel shall be dust and vermin proof. IP-65 class protection and shell be made of 3.15 mm CRCA MS sheet, and 50x50x6mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front and rear opening type, with apron for cable entry closing locking arrangement including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size ( but not less than 2.5 Sqmm) and comprising of the following:- (Near Central AC Plant Cooling tower boundary wall) (a) Incoming :-
(i) MCCB 400 Amps, 4 Pole, 415 Volts with microprocessor release -01 No
(ii) Voltmeter digital type with 4 way rotary selector switch -01 No. (iii) Ammeter digital type with 4 way rotary selector switch-01 No. (iv) CTs ratio 400 /5 A ,class 1, ISI marked -01 sets of three (v) Indicating lamp- 01 set of three
(vi) Aluminium bus bar of rating 800 Amp- set of four.
(vii) On load changeover 400 Amps 4 Pole -01 Nos.
1
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(b) Outgoing
(i) MCCB 4 pole , 160 Amps,50 Hz,415 Volts, 36 KA with microprocessor release - 03 Nos (ii) MCCB 4 pole , 100 Amps,50 Hz,415 Volts, 36 KA with microprocessor release - 02 Nos
(c) Platform of Panel. Platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed stone aggregate on top and grouting bolts etc. for panel. The platform shall be such that it is of a height 45 cm above the nearest road level. Note :-
(i) All out going feeder shall be connected by cable through suitable size gland plate / glands. (ii) The various feeders shall be indicated by 50 mm size letters in synthetic enamel white paint. (iii) All MCCB with adjustable protection for over load and short circuit and conforming to IEC60947-II/IS 13947-II (Latest Version). The MCCB should have Ics=100%Icu. The MCCBs shall have spreader links and barriers as standard feature of manufacturer
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All as in item No 21 here-in-before but comprising of the following :- ( Location : Behind Main Gate No 2 of Main road of Manekshaw center) (a) Incoming :-
(i) MCCB 4 pole , 200 Amps,50 Hz,415 Volts, 36 KA, with thermal and magnetic release - 01 Nos (ii) Onload changeover 160 Amps -01 No (iii) Voltmeter 0-500 volts digital type with 4 way rotary selector switch -01No (iv) Ammeter digital type with 4 way rotary selector switch-01No (v) CTs ratio 160/5 A ,class 1, ISI marked -01 sets of three (vi) Indicating lamp- 01 set of three
(vii) Aluminium bus bar of rating 800 Amps - set of four (b) Outgoing
(i) MCCB 4 pole , 100 Amps,50 Hz,415 Volts, 25 KA with thermal and magnetic release - 05 Nos (ii) MCB DP , 32 Amps ,240 Volts , 10 KA with thermal and magnetic release - 05 Nos
1
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Supply and fixing in renewal of 3 pole power contactor ML-6 Cat No SS90921 mounted on any type/description LT panel/feeder pillar/wall after taking down old existing un serviceable contactor complete all as directed.
1
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Supply and fixing in renewal of 3 pole power contactor MNX-110 Cat No CS94137 mounted on any type/description LT panel/feeder pillar/wall after taking down old existing un serviceable contactor complete all as directed.
1
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Supply and fixing in renewal of Analog Time switch 240 Volt AC , 50 Hz , mounted on any type/description LT panel/feeder pillar/wall after taking down old existing un serviceable time switch complete all as directed.
1
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Supply and fixing in replacement LT current transformer having ratio 400/5 Amp , 15 VA, Class 0.5. Complete all as specified and directed by Engr-in-Charge
1
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All as per Srl item No. 105 herein before but CT ratio 250/5 Amp
2
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All as per Srl item No. 105 herein before but CT ratio 200/5 Amp
2
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Supplying and fixing in replacement MCCB 4 pole , 63 Amps, 16 KA ,50 Hz,415 Volts Complete all as specified and directed by Engr-in-Charge
5
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Supplying and fixing in replacement MCCB 4 pole , 100 Amps,10 KA,50 Hz,415 Volts Complete all as specified and directed by Engr-in-Charge
6
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Supplying and fixing in replacement MCCB 4 Pole ,125 Amps 16 KA Complete all as specified and directed by Engr-in-Charge.
6
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Supplying and fixing in replacement MCCB 4 Pole ,160 Amps 25 KA Complete all as specified and directed by Engr-in-Charge.
4
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Supplying and fixing in replacement MCCB 4 Pole ,200Amps 36 KA Complete all as specified and directed by Engr-in-Charge.
4
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Supplying and fixing in replacement MCCB 4 Pole ,250Amps 36 KA Complete all as specified and directed by Engr-in-Charge.
4
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Supplying and fixing in replacement MCCB 4 Pole ,400Amps 36 KA Complete all as specified and directed by Engr-in-Charge.
3
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Supplying and fixing in replacement MCCB 4 Pole ,630Amps 50 KA Complete all as specified and directed by Engr-in-Charge.
3
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Material and labour in replacement of Voltmeter 0-500 V digital type as per existing size complete all as per specified and directed.
10
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Material and labour in replacement of Ammeter 0-400/800 Amp digital type per existing size complete all as per specified and directed
10
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Supply and fixing in replacement of 3 way rotary selector switch
10
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Supply and fixing in replacement of indicator lamp for RYB phases complete all as specified and directed.
20
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Supplying and fixing in replacement kit kat rewireable porcelain fuse carrier & base 63 Amps , 415 Volt complete all as directed .
10
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Supplying and fixing in replacement kit kat rewireable porcelain fuse carrier & base 100 Amps , 415 Volt complete all as directed .
10
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Supplying installation testing of factory made and tested Bus bar chamber outdoor type with canopy made out of 3.15 mm thick CRCA MS sheet and 25x25x5 mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front opening type, with apron for cable entry closing locking arrangement of size not less than 450x400x300mm having 4 Nos angle iron legs of size 25mm x 25mm x 5mm of length 75mm including 4 Nos 320 Amp aluminium bus bar fitted with 01 No MCCB , 160 Amps TP ,25 KA, 415 V, 50 Hz as incomer Platform for the bus bar chamber with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed stone aggregate on top and grouting bolts etc. for panel. The platform shall be such that it is of a height 45 cm above the nearest road level.
2
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Material and labour for servicing /testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 1250 /800/630 Amps and rating 11 KV complete as details mentioned as under:-
(a) Details of servicing of breaker :-
(i) Adjustment of mechanism if required.
(ii) 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.
(iii) 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.
(iv) Check for rust and wear.
(v) Check Spring Tension and pitting of the Cluster Contacts.
(vi) Visual check for rust and deformation.
(vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc.
(viii) Check for loosened connections, rust, damaged lead wires.
(ix) Check whether the contacts are damaged by arcing.
(x) Checking of control circuit & tighten the connections if any.
(xi) Check close & trip coil.
5
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(xii) Checking of Jaw Contacts Conditions and repair/adjust.
(xiii) Replace the jaw contacts, If required.
(xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish.
(xv) Replacement of Dashpot/shock absorbers .
(xvi) Replacement of carbon brush of spring charging motor
(b) The following test shall be carried out:-
(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.
(c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay :-
(i) Over current and earth fault relay
(d) Testing of following Aux relay
(i) DC Supply supervision relay.
(ii) Master trip relay
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Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-
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95 Sqmm 3 core.
2
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120 Sqmm to 185 Sqmm, 3 core.
2
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Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-
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95 Sqmm 3 core.
2
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120 Sqmm to 185 Sqmm, 3 core.
2
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Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 400/200/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed
1
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All as per item No 126 here-in-before but having ratio 200/100/5-5
1
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All as per item No 126 here-in-before but having ratio 150/75/5-5
1
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Supply & Fixing of vacuum interrupter suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV vacuum interrupter complete all as specified and directed
6
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Supply & Fixing of isolating contact assembly suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV contact assembly complete all as specified and directed
6
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Supply & Fixing of fixed contact block complete suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV contact block complete all as specified and directed
4
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Supply & Fixing of moving contact block complete suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV moving contact block complete all as specified and directed
4
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Supply & Fixing of motor & gear assembly 230V AC suitable for 400/630/800 amps, 11 KV HT VCB, testing & puting on load including taking down old UNSV motor gear assembly complete all as specified and directed
4
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Supply & Fixing of spring gear suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV spring bearing gear complete all as specified and directed
2
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Supply & Fixing of closing coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV closing coil complete all as specified and directed
2
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Supply & Fixing of tripping coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV tripping coil complete all as specified and directed
2
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(xi) All existing earthing of the lifts shall be maintained and made fully functional by the contractor to the entire satisfaction of the Engr-in-Charge.
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