Tender For Repair/ Maintenance Of Lt Cables, Switchgears And Lt Panels At Different Appt Houses And Otm Accns Inside Vijay Durg Under Ge (Fw) Kolkata.; 1 Excavation in Trenches not exc. 1.50 Metre wide and not exc. 1.50 Metre in depth for laying of UG Cable/Pole/Stays, etc., getting out including forming bottom surface to required level and gradient in Soft/ Loose Soil and getting out, complete all as specified and as directed. 2 Excavation/Cutting Road/ Hardstanding in Trenches not exc. 1.50 Metre wide and not exc. 1.50 Metre in depth and getting out, complete all as specified and as directed. 3 Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 Cm in Soft/ Loose Soil, complete all as specified and as directed. 4 Removing excavated materials not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed. 5 M&L Sand Cushioning (dry) in Trenches/Ducts for protection of UG Cables (below, above and around the UG Cable laid) of 23 Cm Spread thickness (8 Cm in depth before laying the Cable and 15 Cm in depth after laying the Cable) and consolidated (punned) upto 180Cm thickness, complete all as specified and as directed. NOTE : For the purpose of Payment, punned thickness of Sand Cushioning only will be Measured. 6 Supply & laying in Trenches Sub-class ‘B’ Bricks, kiln burnt, for Cable Protection, complete all as specified and as directed. 7 Laying in Trenches Bricks (Serviceable Bricks obtained from Item No. 9.00 here-in-after), for Cable Protection, complete all as specified and as directed. 8 Taking out of interlocking paver block, any shape or size and Re-laying the same after laying of LT cable of any size and also removing all vegetation, algae, grass etc, laid to proper slope & gradient over sand cushioning complete all as specified and directed.NOTE : Sand, if required for connection of cushioning level will be measured and paid seperately. 9 Supply and Laying of Machine pressed precast concrete interlocking paver block with grey cement and pigment of any shape and size as approved by GE conforming to IS-15658-2006 of 60 mm thickness, M-35 gradewith 6 mm top layer of coloured rubberised anti abrasive material complete all as specified and directed. 10 Taking down unserviceable LT cable for repair/ replacement etc (from cable duct/underground trench/pole), stacking properly (cable, pipe and bricks) complete all as directed by the Engr-in-Chargeof the following cross - sections :- Note :-Necessary earth work to be measured and paid separately. 11 10 Sqmm 2/3.5/4 core to 16 Sqmm, 4 core 12 25 Sqmm to 50 Sqmm, 3.5 Core 13 70 Sqmm to 150 Sqmm, 3.5 Core 14 185 Sqmm to 240 Sqmm, 3.5 Core 15 300 Sqmm to 400 Sqmm, 3.5 Core 16 Supply, Laying and testing for replacement of XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cable 1100 Volts grade with stranded aluminium conductor cable, laid in trench or fixed to wall with saddles/Flat iron clamps as per site requirement /passing through pipe/pole complete of the following sizes and cross sectional area :-Note :-Necessary earth work to be measured and paid separately. 17 25 Sqmm, 3.5 Core 18 35 Sqmm, 3.5 Core 19 50 Sqmm, 3.5 Core 20 95 Sqmm, 3.5 Core 21 150 Sqmm, 3.5 Core 22 185 Sqmm, 3.5 Core 23 300 sqmm 3.5 Core 24 M&L for Relaying XLPE Under Ground Cable of any description (Serviceable Cable obtained from Item No. 9.00 here-in-before) 1100 Volt grade, after Fault rectification including necessary Aluminium Thimbles, jointing and Testing, complete all as specified and as directed of the following cross sectional area :- 25 10 Sqmm to 16 Sqmm 2/3½/4 Core 26 25 Sqmm to 50 Sqmm 3½/4 Core 27 70 Sqmm to 150 Sqmm 3½ Core 28 185 Sqmm to 240 Sqmm 3½ Core 29 300 Sqmm to 400 Sqmm 3½ Core 30 S&F in repairs of MCCB, 630 Amps, 4 pole, 50 KA, with microprocessor based release with electronic Sg (LSIg) protection unit, Ics=100% of Icu with overload, short circuit & ground fault protections with inbuilt display for current metering with high accuracy of class 1 , internal battery, communication port, inbuilt USB port for software diagnosis,all accessories incl taking down existing MCCB complete all as specified and directed. 31 S&F in repairs of MCCB, 400 Amps, 4 pole, 50 KA, with microprocessor based release with electronic Sg (LSIg) protection unit, Ics=100% of Icu with overload, short circuit & ground fault protections with inbuilt display for current metering with high accuracy of class 1 , internal battery, communication port, inbuilt USB port for software diagnosis,all accessories incl taking down existing MCCB complete all as specified and directed. 32 S&F in repairs of MCCB 4 Pole, 415 V, 320 Amps with adjustable type, breaking capacity 36 KA, Ics=100% of Icu with Copper spreader incl taking down existing MCCB complete all as specified and directed 33 S&F in repairs of MCCB 4 Pole, 415 V, 250 Amps with adjustable type, breaking capacity 36 KA, Ics=100% of Icu with Copper spreader incl taking down existing MCCB complete all as specified and directed 34 S&F in repairs of MCCB 4 Pole, 415 V, 200 Amps with adjustable type, breaking capacity 36 KA, Ics=100% of Icu with Copper spreader incl taking down existing MCCB complete all as specified and directed 35 S&F in repairs of MCCB 4 Pole, 415 V, 160 Amps with adjustable type, breaking capacity 36 KA, Ics=100% of Icu with Copper spreader incl taking down existing MCCB complete all as specified and directed 36 S&F in repairs of MCCB 4 Pole, 415 V, 125 Amps with adjustable type, breaking capacity 25 KA, Ics=100% of Icu with all accessories incl taking down existing MCCB complete all as specified and directed 37 S&F in repairs of MCCB 4 Pole, 415 V, 100 Amps with adjustable type, breaking capacity 25 KA, Ics=100% of Icu with all accessories incl taking down existing MCCB complete all as specified and directed 38 S&F in repairs of MCCB 4 Pole, 415 V, 63 Amps with adjustable type, breaking capacity 18 KA, Ics=100% of Icu with all accessories incl taking down existing MCCB complete all as specified and directed 39 Note for item No. 13 to 21:-(i) MCCB Should be calibrated at 50°C for accurate performance in higher ambient.(ii) Over load Protection of MCCB should be adjustable 63-100% of nominal Current.(iii) Short Circuit Protection of MCCB shall be adjustable 6 to 10 times in nominal current.(iv) Neutral Protection of MCCB Shall be adjustable to OFF/50% & 100%. 40 Supply and fixing 80 mm bore galvanized iron pipe (light grade) with all fittings, fixed complete to wall / ceiling or laid in floor incl taking down of old unserviceable GI pipe complete all as specified and as directed by the Engineer-in-charge. 41 Supply and fixing 100 mm bore galvanized iron pipe (light grade) with all fittings, fixed complete to wall / ceiling or laid in floor incl taking down of old unserviceable GI pipe complete all as specified and as directed by the Engineer-in-charge. 42 S&F Heat shrinkable straight through Jointing Kit suitable for 1100 volts grade XLPE insulated stranded aluminium conductor cable including testing on completion complete all as specified and directed by the Engr-in-Charge for the following size of cables :- 43 10 Sqmm to 16 Sqmm, 4 core 44 25 Sqmm to 50 sqmm 3.5/4 core 45 70 sqmm to 150 sqmm, 3.5 core 46 185 sqmm to 240 sqmm, 3.5 core 47 300 sqmm to 400 sqmm, 3.5 core 48 S&F Cable Route Indicator made out of Cast Iron plate 80 mm dia fixed with MS angle iron 40x40x6mm having 60 Cm long showing MES LT Cable Size with voltage with two coats of synthetic enamel paint in blue colour over one coat of primer necessary Earth Work and Cement Concrete 1:2:4 (20mm graded crushed stone aggregates) Block of size 20x20x20 Cm including Taking out Unserviceable Cable Route Indicator, complete all as specified and as directed. 49 Material & Labour for PCC 1:3:6 type C1 using 20 mm graded crushed stone aggregate as in foundation of pole complete all as specified and directed. 50 Dismantling/ Disconnecting electric connection of underground LT, XLPE Cable, 1100volts upto 35 to 400 Sqmm from both sides and locating the fault in LT cable with fault locating machine in the entire length complete testing after reconnecting and commissioning of cable complete all as specified and as directed. Note : The work will be executed after obtaining proper shutdown from main power house liase with JE E/M. 51 Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1500mm x 1500mm x 500mm, CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a coat of red oxide zinc chrome primer inclusive offour numbers aluminium bus bar 500 Amps of adequuate size for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and 02 Nos Danger Notice Plate (of size 20 cm x15 cm, suitable for LT line, made out of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50 x 50 x 6mm with legs not more than 600mm including fabrication with PCC 1:3:6 complete including earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:- Make : Star Electric & Engg Co/ CPRI approved. 52 (a) Manual change over switch 315 Amps, 4 pole, 415 volts,opern execution type - 01 Nos. 53 (b) MCCB adjustable type with thermal-magnetic releases of capacity 320 A, 4P, 360 KA with spreader terminals - 02 Nos(I/C) 54 (c) MCCB adjustable type with thermal-magnetic releases of capacity 100 A, 4P, 25 KA with spreader terminals - 02 Nos(O/G) 55 (d) MCCB adjustable type with thermal-magnetic releases of capacity 80 A, 4P, 25 KA with spreader terminals - 02 Nos(O/G) 56 (e) MCCB adjustable type with thermal-magnetic releases of capacity 63 A, 4P, 18 KA with spreader terminals - 04 Nos(O/G) 57 (f)Surge Protection Device 3P+N, 50 KA, 415 Volts, 50 Hz - 01 Nos. 58 (g) Digital Ammeter with Selector Switch - 01 Nos. 59 (h) Digital Voltmeter with Selector Switch - 01 Nos. 60 (j) MCB SP 6 Amps, 10 KA - 3 Nos. 61 (k) LED type indication lamp R Y B - 01 set. 62 (l) Current Transformer Ratio 400/5A - 03 Nos 63 Note:-(i) All incoming and outgoing cables, duly thimbled along with suitable size of brass cable glands, to be connected with accessories. (ii) All MCCB & Changeover to be connected internally with suitable size of aluminium/copper strip.(iii) MCCB Should be calibrated at 50°C for accurate performance in higher ambient.(iv) Over load Protection of MCCB should be adjustable 63-100% of nominal Current.(v) Short Circuit Protection of MCCB shall be adjustable 6 to 10 times in nominal current.(vi) Neutral Protection of MCCB Shall be adjustable to OFF/50% & 100%. 64 Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1400mm x 1400mm x 500mm, CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a coat of red oxide zinc chrome primer inclusive offour numbers aluminium bus bar 500 Amps of adequuate size for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and 02 Nos Danger Notice Plate (of size 20 cm x15 cm, suitable for LT line, made out of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50 x 50 x 6mm with legs not more than 600mm including fabrication with PCC 1:3:6 complete including earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:- Make : Star Electric & Engg Co/ CPRI approved. 65 (a) Manual change over switch 315 Amps, 4 pole, 415 volts,opern execution type - 01 Nos. 66 (b) MCCB adjustable type with thermal-magnetic releases of capacity 320 A, 4P, 36 KA with spreader terminals- 02 Nos(I/C) 67 (c) MCCB adjustable type with thermal-magnetic releases of capacity 200A, 4P, 25 KA with spreader terminals- 02 Nos(O/G) 68 (d) MCCB adjustable type with thermal-magnetic releases of capacity 100A, 4P, 25 KA with spreader terminals- 03 Nos(O/G) 69 (e) MCCB adjustable type with thermal-magnetic releases of capacity 63A, TPN, 10 KA with spreader terminals- 02 Nos(O/G) 70 (f)Surge Protection Device 3P+N, 50 KA, 415 Volts, 50 Hz - 01 Nos. 71 (g)Digital Ammeter with Selector Switch - 01 Nos. 72 (h) Digital Voltmeter with Selector Switch - 01 Nos. 73 (j) MCB SP 6 Amps, 10 KA - 3 Nos. 74 (k) LED type indication lamp R Y B - 01 set. 75 (l) Current Transformer Ratio 400/5A - 03 Nos 76 Note:-(i) All incoming and outgoing cables, duly thimbled along with suitable size of brass cable glands, to be connected with accessories. (ii) All MCCB & Changeover to be connected internally with suitable size of aluminium/copper strip.(iii) MCCB Should be calibrated at 50°C for accurate performance in higher ambient.(iv) Over load Protection of MCCB should be adjustable 63-100% of nominal Current.(v) Short Circuit Protection of MCCB shall be adjustable 6 to 10 times in nominal current.(vi) Neutral Protection of MCCB Shall be adjustable to OFF/50% & 100%. 77 Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1500mm x 1500mm x 500mm, CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a coat of red oxide zinc chrome primer inclusive offour numbers aluminium bus bar 600 Amps of adequuate size for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and 02 Nos Danger Notice Plate (of size 20 cm x15 cm, suitable for LT line, made out of 0.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50 x 50 x 6mm with legs not more than 600mm including fabrication with PCC 1:3:6 complete including earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:- Make : Star Electric & Engg Co/ CPRI approved. 78 (a) Manual change over switch 400 Amps, 4 pole, 415 volts,opern execution type - 01 Nos. 79 (b) MCCB adjustable type with thermal-magnetic releases of capacity 400A, 4P, 36 KA with spreader terminals- 02 Nos(I/C) 80 (c) MCCB adjustable type with thermal-magnetic releases of capacity 200A, 4P, 36 KA with spreader terminals- 01 Nos(O/G) 81 (d) MCCB adjustable type with thermal-magnetic releases of capacity 160A, 4P, 25 KA with spreader terminals- 01 Nos(O/G) 82 (e) MCCB adjustable type with thermal-magnetic releases of capacity 100A, 4P, 25 KA with spreader terminals- 02 Nos(O/G) 83 (f) MCCB adjustable type with thermal-magnetic releases of capacity 80A, 4P, 25 KA with spreader terminals- 03 Nos(O/G) 84 (g) Surge Protection Device 3P+N, 50 KA, 415 Volts, 50 Hz - 02 Nos. 85 (h) Digital Ammeter with Selector Switch - 01 Nos. 86 (j) Digital Voltmeter with Selector Switch - 01 Nos. 87 (k) MCB SP 6 Amps, 10 KA - 3 Nos. 88 (l) LED type indication lamp R Y B - 01 set. 89 (m) Current Transformer Ratio 400/5A - 03 Nos 90 Note:-(i) All incoming and outgoing cables, duly thimbled along with suitable size of brass cable glands, to be connected with accessories. (ii) All MCCB & Changeover to be connected internally with suitable size of aluminium/copper strip.(iii) MCCB Should be calibrated at 50°C for accurate performance in higher ambient.(iv) Over load Protection of MCCB should be adjustable 63-100% of nominal Current.(v) Short Circuit Protection of MCCB shall be adjustable 6 to 10 times in nominal current.(vi) Neutral Protection of MCCB Shall be adjustable to OFF/50% & 100%. 91 Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1400mm x 1300mm x 500mm, CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a coat of red oxide zinc chrome primer inclusive offour numbers aluminium bus bar 500 Amps of adequuate size for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and 02 Nos Danger Notice Plate (of size 20 cm x15 cm, suitable for LT line, made out of 0.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50 x 50 x 6mm with legs not more than 600mm including fabrication with PCC 1:3:6 complete including earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:- Make : Star Electric & Engg Co/ CPRI approved. 92 (a) Manual change over switch 315 Amps, 4 pole, 415 volts,opern execution type - 01 Nos. 93 (b) MCCB adjustable type with thermal-magnetic releases of capacity 320 A, 4P, 36 KA with spreader terminals- 02 Nos(I/C) 94 (c) MCCB adjustable type with thermal-magnetic releases of capacity 200A, 4P, 36 KA with spreader terminals - 01 Nos(O/G) 95 (d) MCCB adjustable type with thermal-magnetic releases of capacity 160A, 4P, 25 KA with spreader terminals - 01 Nos(O/G) 96 (e) MCCB adjustable type with thermal-magnetic releases of capacity 63A, 4P, 25 KA with spreader terminals - 04 Nos(O/G) 97 (f)Surge Protection Device 3P+N, 50 KA, 415 Volts, 50 Hz - 02 Nos. 98 (g)Digital Ammeter with Selector Switch - 01 Nos. 99 (h) Digital Voltmeter with Selector Switch - 01 Nos. 100 (j) MCB SP 6 Amps, 10 KA - 3 Nos. 101 (k) LED type indication lamp R Y B - 01 set. 102 (l) Current Transformer Ratio 400/5A - 03 Nos 103 Note:-(i) All incoming and outgoing cables, duly thimbled along with suitable size of brass cable glands, to be connected with accessories. (ii) All MCCB & Changeover to be connected internally with suitable size of aluminium/copper strip.(iii) MCCB Should be calibrated at 50°C for accurate performance in higher ambient.(iv) Over load Protection of MCCB should be adjustable 63-100% of nominal Current.(v) Short Circuit Protection of MCCB shall be adjustable 6 to 10 times in nominal current.(vi) Neutral Protection of MCCB Shall be adjustable to OFF/50% & 100%. 104 Materials and Labour for earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanized iron strip 25 X 4 mm(upto 7.5 metres) by means of bolts, nuts check nuts and washers of galvanized steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 45 cm x 45 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 40 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing and dismantling of existing unsv earthing complete all as shown in Figure 15A of IS 3043 :1987, complete all as specified and directed.
