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| 1 | Dismantling of mechanism system of defective 11 KV VCBs, repair/replace the unserviceable items such as closing/tripping coil, vacuum interrupter tube, moving contact and spring charging motor etc including overhauling the same by the service engineer after necessary cleaning with CTC, and providing silicon grease to the all moving parts including adjustment of all springs etc and made 100% serviceability and testing complete. Note:- closing/tripping coil, vacuum inter rupture tube, moving contact andspring charging motorshall be measured and paid separately. |
| 2 | S&F in replacement of closing/ tripping coil suitable for 11 KV VCB’s complete all as specified and directed by Engr-in-charge.Make as per of existing VCB |
| 3 | S&F in replacement of spring charging motor of 230 volts 0.25 HP, 8000 RPM suitable for 11 KV VCB\"s complete all as specified and directed by Engr-in-charge. Make as per of existing VCB |
| 4 | S&F in replacement of vacuum interrupter tube suitable for 11 KV VCB’s complete all as specified and directed by Engr-in-charge. Make as per of existing VCB |
| 5 | S&F in replacement of moving contact top / bottom suitable for 11 KV VCB’s complete all as specified and directed by Engr-in-charge. Make as per of existing VCB |
| 6 | M&L for insulating materials for applying 11 KV busbar insulators, CT’s & PT\"s for better insulation resistance of the system after necessary cleaning with Carbon Tetra chloride chemical complete all as specified and directed by Engr-in-charge. |
| 7 | Taking out of defective /unserviceable /obsolete model indicator lamp from11 KV VCB\"s, supply and fix indicator lamp LED type of different colour of existing, 60 mm dia 30 volts complete all as specified and directed by Engr-in-charge. |
| 8 | M&L for Spray painting outside for 11 KV VCB\"s panel/bus coupler with one coat of synthetic enamel paint 1st grade (moisture proof)afterpreparation/ cleaning of the old steelsurfaces complete all as specified and directed by Engr-in-charge. |
| 9 | S&F in replacement of busbar insulators suitable for 11 KV VCB\"s complete all as specified and directed by Engr-in-charge.Make as per of existing VCB |
| 10 | Taking out of old unserviceable/ defective/ old vintage/ obsolete model of relaysfrom 11 KV VCB\"s and S&F over current and earth faultelectronic relay suitablefor 11 KV, VCB including necessary addition/ alternationof VCB front panel including cutting/welding of front side of panel board to match & fixed the new relays to the existing panel board/position including necessary touch up to the panel board, testing ofover load and earth fault protection complete all as specified and directed by Engr-in-charge. Make as per of existing 11 KV VCB |
| 11 | Calibration, injecting and testing in artificial way for over load and earth fault IDMT relay at 11 kV switch gear complete all as specified and directed by Engr-in-charge. |
| 12 | S&F HT volt meter (0-15 KV) digital squire flush types of size 96x96 mm complete all as specified and directed by Engr-in-charge. |
| 13 | Supply and installation of 11 KV single phase in door resin cast PT of ratio 11 KV/rt3/110v/rt3, class 0.5-3, burden 50 VA-50VA complete all as specified and directed by Engr-in-charge. Make as per of existing 11 KV VCB |
| 14 | S&F in replacement of DC power pack 230 VCA +/- 10%, 50Hz 24 V DC/26AHDC complete all as specified and directed by Engr-in-charge. Make as per of existing VCB |
| 15 | Supply and installation of 11 KV single phase in door resin cast CT of ratio 50/25/5 amps (dual core - one for metering and other for protection) having 16 VA burdon and class 5P-10 protection complete all as specified and directed by Engr-in-charge. Make as per of existing VCB |
| 16 | S&F Selector switch suitable for HT voltmeter (0-15 KV) complete all as specified and directed by Engr-in-charge. |
| 17 | Note for Sl item Nos 07 to 16:(i) Tenderer shall check the existing VCB\"s and shall assess the details of defective parts before quoting the tender documents.(ii) Newly provided items shall suit with the existing system.(iii)Any minor adjustment/ modification for fixing the new items if required at site contractor shall carried out without any extra cost to department. |
| 18 | Dehydration of transformer oil, obtained from transformers / voltage stabilizer etc. Dielectric strength shall not be less than 40 KV in 2.5 mm gap electrode after dehydration. Dehydration of transformer shall be carried out by using electrically operated dehydration machine including replacement of unserviceable silica gel and toping up/ replacement of unserviceable transformer oil complete all as specified and directed by the Engr-in-charge. Note: Transformer oil for filling/toping up and Silica gel shall be measured and paid against respective item |
| 19 | Supply, filling & topping up of transformer/voltage stabilizer oil of dielectric strength 40 KV and above in transformer at different location in situ (testing of oil shall be carried out in presence of Engr-in-charge by an authorized agency and testing certificate shall be submitted duly signed complete all as specified and directed by the Engr-in-charge. |
| 20 | Supply and replacement of Silica gel of superior quality of size 5 to 10 mm complete all as specified and directed by the Engr-in-charge. |
| 21 | Opening the upper cover of voltage stabilizer motor operated of capacity 400 kVA after disconnection of electric connection and taking out of electronic circuit card (PCB), trigger transformer 9 and 18 Volts disconnection and fixing new PCB card, contactor and trigger transformer 9 and 18 Volt complete including reconnection and assemble the same after repair and testing complete all as specified and directed by Engr-in-Charge. |
| 22 | Opening the upper cover of voltage stabilizer motor operated of capacity 200 kVA after disconnection of electric connection and taking out of electronic circuit card (PCB), trigger transformer 9 and 18 Volts disconnection and fixing new PCB card, contactor and trigger transformer 9 and 18 Volt complete including reconnection and assemble the same after repair and testing complete all as specified and directed by Engr-in-Charge. |
| 23 | Taking out old unserviceable underground cable from excavated trenches/pipes/pole complete all as specified and directed by Engr-in-Charge. Note: Necessary earth work if any required shall be measured and paid separately. |
| 24 | Supply, laying in trenches, duct and testing XLPE insulated (earthed) cable in screened PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 volts grade, cross sectional area 95 Sqmm 3 core conforming to IS- 7098 (Part-II) 1985 complete all as specified and directed by the Engr-in-charge. |
| 25 | All as per item ser No 23 here-in-above but size 120 Sqmm 3 Core complete all as specified and directed by Engr-in-Charge. |
| 26 | Supply, laying in trenches, duct and testing XLPE insulated (earthed) cable in screened PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with stranded aluminium conductor, 1100 volts grade, cross sectional area 185 Sqmm 3.5 core conforming to IS- 7098 (Part-II) 1985 complete all as specified and directed by the Engr-in-charge. |
| 27 | All as per item ser No 25 here-in-above but size 150 Sqmm 3.5 Core complete all as specified and directed by Engr-in-Charge. |
| 28 | S&F cable jointing kit and testing for 11 KV grade cable for outdoor termination, heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to185 Sqmm complete all as specified and directed by Engr-in-charge. |
| 29 | All as per item No 27 but indoor type complete all as specified and directed by Engr-in-Charge. |
| 30 | All as per item No 27 but straight through complete all as specified and directed by Engr-in-Charge. |
| 31 | M&L in replacement of indoor/outdoor cable end terminal joints/straight through heat shrinkable type it for 1100 Volts grade complete suitable for aluminium conductor cable of size 16 Sqmm 4 Core complete all as specified and directed by Engr-in-charge. |
| 32 | All as per item No 30 here - in - above but for cable of size 25 Sqmm 4 Core to 95 Sqmm 4 core complete all as specified and directed by Engr-in-Charge. |
| 33 | All as per item No 30 here - in - above but for cable of size 120 Sqmm 3½ Core to 240 Sqmm 4 core complete all as specified and directed by Engr-in-Charge. |
| 34 | M&L in replacement for earthing complete with galvanised steel pipe electrode, 40mm bore, medium grade, thick buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to galvanised iron 25x4mm strip as earthing lead by means of bolts, nuts check, nuts and washers including charcoal dust common salt including necessary excavation in soft loose soil returning filling in and removal of surplus soil to a distance up to 50 m, PCC pit in cement concrete 1:3:6 type C1 by using 20mm grade stone aggregate, precast RCC cover shall be provided in RCC 1:2:4 type B-1 by using 20mm grade stone aggregate, 40mm thick pit cover reinforced with 8mm dia TMT bars 75mm c/c both ways, MS handle 12mm dia including earth work complete, all as per Electrical Plate No 3 of SSR Part-I, complete all as specified and directed by Engr-in-Charge.Note:- Galvanised strip and protection pipe of 40 mm dia upto 7.5 meter length are deemed to be included in the quoted rate. |
| 35 | S&F of earth continuity conductor or main earthing lead 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 by using 25 x 4mm galvanised iron strip complete all as specified and directed by Engr-in-charge. |
| 36 | S&F danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamp, bolts and nuts of size, for HT, 25 x 20 cm cement mortar complete all as directed and specified by the Engr-in-Charge. |
| 37 | S&F danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamp, bolts and nuts of size, for LT, 20 x 15 cm cement mortar complete all as directed and specified by the Engr-in-Charge. |
| 38 | Taking down the existing old LT panel board/ LT feeder pillar box/ power factor panel comprising of MCCB & switch fuse unit of any capacity and size including aluminium bus bar, ammeters, voltmeters etc after disconnecting all cable connections and removing from site complete all as specified and directed by Engr-in-charge. |
| 39 | Supply, fabrication, installation & commissioning of dust & vermin proof totally enclosed, outdoor type LT, 3 phase 4 wire feeder pillar box factory made (CPRI approved), double door cubical type of suitable size made by3.15mm thick ms sheet with MS angle iron frame of size 40 x 40 x 6mm slanting roof, front door opening with locking arrangement complete painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary PCC, fixing with PCC 1:2:4 of size 0.2mx0.2mx0.2m for 4 Nos legs, inclusive of under mentioned items fixed inside with suitable arrangement vertically operatedand internal connection with PVC insulated stranded single core copper cable of suitable size or using insulated copper strip of appropriate size and connection of all incoming and outgoingcableincludingextended the cable from cable loop if requiredusing aluminium cable terminal sockets / lugs duly crimpled comprising of following:-INCOMING:(i) MCCB, AC 415 volts, adjustable thermal & adjustable magnetic setting, 4 pole current rating 400 Amps, breaking capacity 36 KA= 01 No.(ii) 4 strip copper bus bar of size 40x10mm with specific colour (R,Y,B) insulation -01 set(iii) Metering panel comprising, voltmeter and ammeter, digital type with selector switches CTs, control fused and indicating lamps. OUTGOING:(i)MCCB, AC 415 volts, adjustable thermal & adjustable magnetic setting, 4 pole current rating 350 Amps, breaking capacity 36 KA= 01 No. (ii)MCCB, AC 415 volts, 4 pole current rating 200 Amps, breaking capacity 16 KA= 02 No’s.(iii)MCCB, AC 415 volts, 4 pole current rating 40 Amps, breaking capacity 10 KA= 02 No’s.(iv)Spare blanking way for one No extra out going MCCB = 01 No |
| 40 | Supply, fabrication, installation & commissioning in replacement of Automatic Power Factor Correction (APFC) Panel for 3 Phase, 415 V & 50 Hz system of capacity 60 KVAR without incoming MCCBs made out of MS/ CRCA sheet 3.15 mm thick with MS angle iron frame of size 40 X 40 X 6mm outdoor type front door opening with locking arrangement slanting roof for suitable all as specified and directed by Engr-in-Charge. |
| 41 | M&L in repairs of physical inspection for earthing health and to check the healthiness of earthing system whether the resistance under safe limits of resistance IF higher than the permissible then recharging of earthing should be done immediately with carbon based low resistivity compound 0.001 ohm meter recharging of existing earth pit by excavating soil up to electrode depth approx 10 feet by manual drilling (post hole) method and filling with backfill compound maintenance free earthing compound with 2 bags of 20 Kg to achieve desired resistance value less than 1 ohms in and including water up to top of the excavated bore,backfilling of earth pit, measuring the value after refilling pit and testing of earthing after recharging, reconnecting grounding electrode conductor and earth grid applying petroleum jelly etc. to bolted joints to minimise corrosion for the pipe earthing or plate earthing then gel should be used to lower down the resistance complete all as specified and as directed by Engr-in-charge.Notes :(i)In case of satisfactory results not found or results degraded during one year of recharging of the earthing, the same shall be made good / recharged again in order to have required test results within contract / Defect liability period without any extra cost to the department. (ii) Contractor will mark each earthing with CA No., date of recharging of earthing on MS sheet size 18\"x12\" x 1/8\" with suitable mounting arrangement on wall or on ground duly painting blue over a coat of Red Oxide primer and letter/figures of words written with white colour. Quoted rate will be deemed to have been included the cost of the same. |
| 42 | M&L for dismantling of old existing earthing PCC earthing pit with cover and S & F new polyplastic earth pit cover heavy duty with sign board triangular shape, making connection of earth strip including minor adjustment, construction of rectangular of size 0.75X0.75X0.50 (LXBXH) brick boundary alongwith necessary plastering work with specified colour coding around poly plastic earth pit cover, complete all as specified and directed by Engr-in-Charge. |
| 43 | S&F copper strip of size 32 mm x 6 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictly not recommended by station HQ. |
| 44 | S&F copper strip of size 20 mm x 3.15 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictly not recommended by station HQ. |
| 45 | M&L for copper brazing (welding) at site to connect loop copper earthing strip of any sizeafter tightening by nut, bolt, washer, check nuts of brass complete all as specified and as directed by Engr-in-charge. Note: Copper brazing shall be done upto 20 mtr height. Necessary tool/plant and ladder required for working upto 20 mtr height shall be deemed to be included in the rate quoted for above item. |
| 46 | M&L for GI brazing (welding) at site to connect loop GI earthing strip of any size after tighten by nut, bolt, washer, check nuts, complete all as specified and as directed by Engr-in-charge. Note: GI brazing shall be done upto 20 mtr height. Necessary tool/plant and ladder required for working upto 20 mtr height shall be deemed to be included in the rate quoted for above item. |
| 47 | S&F in replacement of test point terminal block made of gun metal or phosphorus bronze of size 75x75x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screw fixed inside cubical shape enclosure made out of CRCA sheet 2 mm thick with front detachable cover, anodized screws, cap washers 4 Nos to be mounted on wall with wooden plugs and screws 4 Nos duly painted inside and outside by two coats of aluminium paint over a coat of primer over all dimension of enclosure 200x150x100 mm (depth) complete all as specified and directed by Engr-in-charge. |
| 48 | Testing of earthing Resistance as and when required with digital earth resistance tester etc in presence of user & MES rep and maintaining duly entering test results in the binding register for maintaining the record with Engr-in-charge complete all as specified and directed by the Engr-in-charge. Note: (i) Contractor shall carry out within two days of intimation to carry the test as a whole or partially of the building complete all as directed by Engr-in-charge.(ii)Earth testing will be carried out as and when required basis as directed by Engr-in-charge.(iii) Each earthing will be measured and paid separately as and when test was carried out. |
| 49 | S&F in replacement of lightening conductor air termination, single pointed copper rod of 12 mm long including fixing of MS clamps with nuts, bolts and screws complete all as specified and directed by Engr-in-charge. Note : The PCC block shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) of size 200 X 200 X 200 mm including putting 15 mm dia GI medium grade pipe of 60 cm length for fixing the air termination with suitable locking system as specified. |
| 50 | S&F in replacement of lightening conductor air termination, single pointed aluminum rod of 12 mm long including fixing of MS clamps with nuts, bolts and screws complete all as specified and directed by Engr-in-charge. Note : The PCC block shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) of size 200 X 200 X 200 mm including putting 15 mm dia GI medium grade pipe of 60 cm length for fixing the air termination with suitable locking system as specified. |
| 51 | M&L for painting to the electrical equipments, steel sections, rolling shutters etc with two coats of synthetic enamel paint with machine spray including preparation/ cleaning of the old steel surfaces exceeding 10 cm width complete all as specified and directed by the Engr-in-charge. |
| 52 | M&L for installation of maintenance free Chemical Earthing with copper bonded earth rod of 23.2 mm dia, 3 meter long with suitable copper plate of 250 micron welded with necessary connections clamps including 2 X 25 kg backfill chemical compound complete all as specified directed by Engr-in-Charge.Note : The pit shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate)RCC slab shall be provided in RCC 1:2:4 type B-1 (using 20mm grade stone aggregate) 50 mm thick pit cover reinforced with 8mm dia TMT bars 75mm c/o both ways MS handle 12mm dia with good finishing as specified. |
| 53 | S&F in replacement of galvanised iron strip of size 32 mm x 6 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictly not recommended by station HQ. |
| 54 | S&F in replacement of galvanised iron of size 25 mm x 3 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictly not recommended by station HQ. |
| 55 | Balancing the load of LT 415 Volt overhead/underground system of any bldg/feeder/panel board in any location by providing skilled tradesman & helper with necessary safety and working equipment such as clamp meter, high voltage meager tools, safety belts, hand gloves, crimping tool, other required tools and plants and rectified the unbalance load on top priority basis/as and when required including testing complete all as specified and directed by the Engr-in-charge. |
| 56 | M&L for Mild steel duct cover of 5 mm thick chequered with 10mm dia MS bar lifting handle of required sizes including taking down the old unserviceable MS duct cover etc complete all as specified and directed by the Engr-in-charge. |
| 57 | Supply, laying in trenches, duct and testing XLPE insulated (earthed) cable in screened PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with stranded aluminium conductor, 1100 volts grade, cross sectional area 95 Sqmm 3.5 core conforming to IS- 7098 (Part-II) 1985 complete all as specified and directed by the Engr-in-charge. |
| 58 | All as per item ser No 56 here-in-above but size 70 Sqmm 3.5 Core complete all as specified and directed by the Engr-in-charge. |
| 59 | All as per item ser No 56 here-in-above but size 50 Sqmm 3.5 Core complete all as specified and directed by the Engr-in-charge. |
| 60 | Excavation in trenches in soft/loose soil, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep and getting out in soft/loose soil for laying of cable/foundation of pole and stay etc in complete all as specified and directed by Engr-in-charge. |
| 61 | M&L for sand cushioning in trenches for protection of LT underground cable including watering and consolidation as per SSR Part-I complete all as specified and directed by Engr-in-charge. Note: Punned thickness shall be measured for payment purpose. |
| 62 | Supply and laying well burnt sub class ‘B’ bricks, locally available of size 23x11.5x7.5 CM in trenches for protection of the underground cable complete all as specified and directed by Engr-in-charge. |
| 63 | Removing the excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above ground level from starting point complete all as specified and directed by Engr-in-charge. |
| 64 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed by Engr-in-charge. |
| 65 | M&L complete for drilling hole under hard standing /road for laying of pipe for protection of cable etc by manual booklet without disturbing the top surface and making good the disturbed surface if any complete all as specified and directed by Engr-in-charge. |
| 66 | Supply and laying GI pipe light grade 80 mm bore complete all as specified and directed by Engr-in-charge. |
| 67 | S&F aluminium socket and lugs after disconnecting from panel and taking down burnt cable from panel of different location and cutting out the burnt portion of cable and extended the cable from cable loop including excavation, filling of soil, preparation of cable including necessary connection and testing complete of following sizes:- |
| 68 | 10 Sqmm 2/4 core 1100 volt grade |
| 69 | 16 Sqmm 2/4 core 1100 volt grade |
| 70 | 25 Sqmm 3.5 core 1100 volt grade |
| 71 | 50 Sqmm 3.5 core 1100 volt grade |
| 72 | 95 Sqmm 3.5 core 1100 volt grade |
| 73 | 120 Sqmm 3.5 core 1100 volt grade |
| 74 | Taking out the unserviceable MCCBs/ ACB of any type any capacity by disconnecting all electrical connections from Panel board/wall /FPB complete all as specified and directed by Engr-in-charge. |
| 75 | S&F MCCB 160 Amps 4 Pole breaking capacity 25 kA with Adjustable Thermal & Adjustable Magnetic with necessary fixing arrangement, connecting and testing complete all as specified and directed by Engr-in-charge. |
| 76 | S&F MCCB 250 Amps 4 Pole breaking capacity 36 kA with Adjustable Thermal & Adjustable Magnetic with necessary fixing arrangement, connecting and testing complete all as specified and directed by Engr-in-charge. |
| 77 | S&F MCCB 400 Amps 4 Pole breaking capacity 50 kA with Adjustable Thermal & Adjustable Magnetic with necessary fixing arrangement, connecting and testing complete all as specified and directed by Engr-in-charge. |
| 78 | S&F MCCB 630 Amps 4 Pole breaking capacity 50 kA with Adjustable Thermal & Adjustable Magnetic with necessary fixing arrangement, connecting and testing complete all as specified and directed by Engr-in-charge. |
| 79 | S&F ACB 4 Pole, 415 V, Manual Drawout type with microprocessor release of capacity 800 Amps with necessary fixing arrangement, connecting and testing complete all as specified and directed by Engr-in-charge.. |
