| 1 | 1 | Disconnecting, Servicing and overhauling of 11KV vacuum circuit breaker of 630 Amp capacity including following repair/testings and ensuring smooth functioning of VCB all as directed by Engr-in -charge. Note : Parts to be replaced will be measured and paid separately as \"Supply only\" against appropriate item(s) of this schedule. However labour cost towards replacement shall be deemed to be included in this item.\n(a) Checking of HT 11 KV VCB tripping circuit, over current plus earth fault relay, master tripping relay, breaker control remote switch and tripping mechanism, Calibration of IDMT Relays and CTs cap 100 Amps (set of three) through primary and secondary injection method by using relay test kit and other required measuring equipment including resetting the trip values at the numerical relays and auxillary trip relays and ensuring for healthy triping mechanism at the site of 11KV HT VCB Panel and submitting test report.\n\n(b) Checking of isolating mechanism and Cleaning of all contacts by petroleum jelly for removing deposited carbon including greasing etc.\n\n(c) Checking metering panel for internal wiring, ammeter, volmeter and RYB indicator.\n\n(d) Checking of potential transformer by conducting ratio test/meggering for IR Values provided in VCBs 11 KV, including checking of control wiring meters and calibration for the same. | | 2 | Each Job |
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| 2 | 2 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(a) Resin cast current transformer of ratio 50/25/5A-5A dual ratio one for metering of class 1 and other for protection of 5P class suitable for 12KV voltage and rear fixing type. Make :- CG | | 2 | Each |
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| 3 | 3 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(b) Big pinion assemble for mechanism | | 4 | Each |
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| 4 | 4 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(c) Small pinion assemble for mechanism | | 4 | Each |
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| 5 | 5 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(d) Closing coil 110 Volt DC | | 4 | Each |
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| 6 | 6 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(e) Tripping coil 110 Volt DC | | 6 | Each |
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| 7 | 7 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(f) 110V DC LED lamp | | 10 | Each |
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| 8 | 8 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(g) Monoplast tape | | 10 | Each |
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| 9 | 9 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(h) Spouch Insulation of incoming and outgoing | | 8 | Each |
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| 10 | 10 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(j) Spring charged motor as per the specification. (Type-PMRS, Supply Volt- 230 DC, 150 watt, NLRPM - 10, class- B, Make- M/s DELCO). | | 2 | Each |
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| 11 | 11 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(k) Vacuum interrupter 630 Amp, Make- CG | | 3 | Each |
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| 12 | 12 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(l) Mono block diode 25A | | 4 | Each |
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| 13 | 13 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(m) Trolley iron wheel | | 4 | Each |
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| 14 | 14 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(n) Auxilliary Switch suitable for 11 KV VCB, cap 630 Amps. | | 2 | Each |
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| 15 | 15 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(o) HRC fuse of rating 2 Amps. | | 30 | Each |
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| 16 | 16 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(p) RYB Selector Switch. Make :- Salzer/kaycee | | 32 | Each |
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| 17 | 17 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(q) HT digital display ammeter suitable for CT rating 30/5 & 60/5 amps. Make : CONZERN, Model No. DM 3252 | | 2 | Each |
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| 18 | 18 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(r) HT digital display voltmeter suitable for HT VCB panel 1100/100 volts (auxillary volts). Make : CONZERN, Model No. DM 3251 | | 2 | Each |
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| 19 | 19 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(s) Breaker control switch code No: Customer Specific | | 1 | Each |
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| 20 | 20 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(t) HT digital display ammeter suitable for CT primary current 100 Amps. Make : ALPHA | | 4 | Each |
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| 21 | 21 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(u) HT digital display voltmeter suitable for HT VCB panel 11 KV. Make : ALPHA. | | 2 | Each |
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| 22 | 22 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(v) Multifunction meter digital display type. Make :- Schneider. | | 2 | Each |
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| 23 | 23 | Supply only the following spares of crompton greaves make vacuum circuit breaker (for replacement against item in-before) :-\n\n(w) Space Heater 20A, 250V AC only, Make:-Vileco. | | 4 | Each |
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| 24 | 24 | Disconnecting, Servicing and overhauling of LT air circuit breaker (ACB) of 630 to Amps capacity of make L&T including following repair/testings and ensuring smooth functioning of ACBs in synchronising panel (make-ALSTOM) all as directed by Engr-in -charge. Note: parts to be replaced will be measured and paid separately as \"Supply only\" against appropriate item(s) of this schedule. However labour cost towards replacement shall be deemed to be included in this item.\n\n(i) Checking of ACB tripping circuit, over current relay (inverse) type CDG, earth fault relay (inverse) type CDG, REV -Power relay (inverse) type CDG and tripping mechanism, Calibration of IDMT Relays and CTs cap 100 Amps (set of three) through primary and secondary injection method by using relay test kit and other required measuring equipment including resetting the trip values at the numerical relays and auxillary trip relays and ensuring for healthy triping mechanism at the site of ACB Panel.\n\n(ii) Checking of isolating mechanism and Cleaning of all contacts by petroleum jelly for removing deposited carbon including greasing etc.\n\n(iii) Checking metering panel for internal wiring, ammeter, volmeter and RYB indicator.\n\n(iv) Checking of potential transformer by conducting ratio test/meggering for IR Values provided in ACBs 415 V, including checking of control wiring meters and calibration for the same. | | 3 | Each Job |
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| 25 | 25 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(a) ACB 630 amps, 4 pole, 35 KA, 415 volts with thermal Magnetic Release (Manual fixed type ). Make - L&T | | 1 | Each |
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| 26 | 26 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(b) Fuse cut out of rating 15 amps. | | 34 | Each |
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| 27 | 27 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(c) LT analog ammeter of span 400 amps. Make :- Kaycee/Meco | | 2 | Each |
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| 28 | 28 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(d) LT analog voltmeter of span 600 volts. Make :- Kaycee/Meco. | | 2 | Each |
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| 29 | 29 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(e) Over current relay (inverse) type CDG, Make :- Alstom. | | 2 | Each |
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| 30 | 30 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(f) Earth fault relay (inverse) type CDG, Make :- Alstom. | | 2 | Each |
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| 31 | 31 | Supply only the following spares of crompton greaves make air circuit breaker (for replacement against item No 3 here-in-before) :-\n\n(g) REV -Power Relay (inverse) type CDG, Make :- Alstom. | | 2 | Each |
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| 32 | 32 | Disconnecting and checking of main LT Panel having LT air circuit breaker (ACB) of 630/1250 Amps capacity, 50 KA including following repair/testings and ensuring smooth functioning of ACBs all as directed by Engr-in -charge. Note : Parts to be replaced will be measured and paid separately as \"Supply only\" against appropriate item(s) of this schedule. However labour cost towards replacement shall be deemed to be included in this item.\n\n(i) Checking of ACB tripping mechanism including close open cycle counter, field test unit, spring charge indication switch, mechanical interlock, mal insertion prevention device and door interlock.\n\n(ii) Checking of isolating mechanism and Cleaning of all contacts by petroleum jelly for removing deposited carbon including greasing etc.\n\n(iii) Checking metering panel for internal wiring, ammeter, volmeter and RYB indicator.\n\n(iv) Checking of CTs / PTs by conducting ratio test/meggering for IR Values provided in ACBs 415 V, including checking of control wiring meters and calibration for the same. | | 4 | Each Job |
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| 33 | 33 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(a) ACB 630 amps, 4 pole, 50 KA, 415 volts fixed type with Aux contact unit 5 CO shunt trip device, charging motor and closing coil. Drawout type, all as specified and directed by engr-in-charge. | | 1 | Each |
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| 34 | 34 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(b) ACB 1250 amps, 4 pole, 50 KA, 415 volts fixed type with Aux contact unit 5 CO shunt trip device, charging motor and closing coil. Drawout type, all as specified and directed by engr-in-charge. | | 1 | Each |
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| 35 | 35 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(c) Spring Charging motor 110 volts, SAP code ISACX0172, IPR-E | | 2 | Each |
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| 36 | 36 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(d) Main CTs 630 Amps | | 2 | Each |
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| 37 | 37 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(e) Shunt trip / closing coil 110 volts DC | | 2 | Each |
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| 38 | 38 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(f) LT digital display ammeter. Make : Salzer/Kaycee | | 2 | Each |
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| 39 | 39 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(g) LT digital display voltmeter. Make : Salzer/Kaycee | | 2 | Each |
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| 40 | 40 | Supply only the following spares for main LT panel (for replacement against item No 5 here-in-before) :-\n\n(h) LT digital display Kilo watt meter. Make : Salzer/Kaycee | | 1 | Each |
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| 41 | 41 | M&L for Chemical Earthing with copper earth plate 900 x600 x 5.0 mm &copper earth strip 32mmx6mm, burried directly in ground (earth pit not less than 3.0 mtr deep and 1.5 mtr. wide) with top edge of the plate not less than 2.25 mtr below normal ground level, connected to and including copper earth strip 32x6 mm size .The earth plate shall be covered with 15 cm all around using earth enhancing compound suitavle to get earth result less than 01 Ohm. The item includes Copper test point of size 100mm x 80mm x 10 mm and earth enhancing 7.5 mtr from earth pit to test point fixed on wall. The testing of the earthing of the earthing shall be not be more than 01 Ohm and any other addl materila required to achieve the desired earth result is responcibility of the contractor and the cost for the same is deemed to be included in rates quoted. The test report of the earthing duly sit of the visit of the inspection/repair team is deemed to be inc. | | 12 | Each |
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| 42 | 42 | Earth continuity conductor or main earthing lead/wire fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 32x6 mm copper strip including PVC black colour sleeves covering. | | 120 | RM |
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| 43 | 43 | Excavation in trenches not exc. 1.5M wide and n.exc. 1.5M in depth in soft/loose soil including black cotton soil and getting out all as specified and directed by EIC. | | 10 | CUM |
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| 44 | 44 | Returning filling in including spreading, watering and well ramming in layers n.exc. 25 cm thick after the cable are laid. | | 6 | CUM |
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| 45 | 45 | Removal of surplus soil to a distance n. exc. 50 Mtrs and depositing where directed at a lavel n.exc. 1.5 Mtr above the starting point. | | 4 | CUM |
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| 46 | 46 | Supply and spreading clean dry river sand in trenches around the cable for cushioning all as specified. | | 4 | CUM |
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| 47 | 47 | Supply and laying in replacement un reinforced precast concrete cable cover, class LV, type 1 flat size 250mmx150mmx40mm complete as in cable protection covering all as specified and directred by Engr in Charge. | | 266 | Each |
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| 48 | 48 | Supply and Laying only following underground size LT cables XLPE insulated, armoured heavy duty electric cable with aluminium conductors heavy duty 1100 Volt grade cross sectional area 400 Sqmm 3.5 core laid in trenches/ducts/along poles/through pipe under road etc with new aluminium lugs of cable size complete all as specified and directed. \n | | 90 | RM |
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| 49 | 49 | Taking down existing damaged/unsv PVC insulated, armoured, aluminium conductor 1100V grade cable of any size and core from trenches, pipe, ducts, pole etc where feasible and economical. Testing for serviceability of cable, cutting and segregating serviceable portion and relaying serviceable cable where directed for following sizes 400 sqmm 3.5 core | | 90 | RM |
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