Name of Work:- PROVN OF SERVO TRANSFORMER FOR STABILIZED POWER SUPPLY FOR IPSS AT AF STN SALUA | Sl. No. | Item Description | |
| 1 | Supply, install, testing and commissioning of Voltage stabilizer for automatic operation, three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 300 KVA complete all as specified and directed by Engr-in-charge. | | 2 | All as per item No 1 above but of capacity 20 KVA. | | 3 | Supply, Installation, Testing and Commissioning of Isolation Transformer, 3-Phase, 50 Hz, Indoor Type, Oil Cooled, with Class 'A' Insulation and designed for an Input Voltage range of 415V ±5% and an Output Voltage range of 415V +5%, with a 1:1 ratio and Vector Group Dyn 11 (Delta-Star) configuration. The transformer shall include the first filling of transformer oil of requisite dielectric strength up to the prescribed level, ensuring an efficiency of more than 95%. A separate neutral bushing shall be provided for earthing, maintaining a potential difference between neutral and earth of less than one volt. The transformer shall be equipped with standard fittings, including lifting hooks, two earthing terminals of capacity 300 KVA complete all as specified and directed by Engr-in-charge. | | 4 | Excavation in trenches / post holes in Soft/ loose soil not exceeding 1.5 mtr wide and not exceeding 1.5 meter in depth for taking out and laying pipe lines not exceeding 10 Sqm on plan and getting out, excavated earth, forming bottom surfaces to required level.Complete all as specified and as directed. | | 5 | Removing excavated material (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point.Complete all as specified and as directed. | | 6 | Returning filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick in soft/loose soil.Complete all as specified and as directed. | | 7 | Material and labour for sand cushioning for U/G cable 8 cm before laying the cable and 15cm after laying and stretching the cable.Complete all as specified and as directed. | | 8 | Material and labour for fly ash bricks well burnt old size designation 75 laid dry flat for protection of cable.Complete all as specified and as directed. | | 9 | M & L for PCC M-7.5 (Nominal mix) Type D-2 using 40mm graded stone aggregate as in foundation, filling and mass concrete for foundation concrete in poles/stays.Complete all as specified and as directed. | | 10 | Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm. | | 11 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3.5 core | | 12 | All as per item No 11 above but of size 70 Sqmm 3.5 core | | 13 | All as per item No 11 above but of size 35 Sqmm 3.5 core | | 14 | M & L for cutting / welding/ fabricating, Installation , Testing and commissioning of LT control panel outdoor type of size 1.5x1.5x0.75 m having provision of double door openings into two halves with rubber beadings cubical type of suitable size as directed by the manufacturer, made out of 3.15 mm CRCA sheet compartmentalized with rubber beadings, angle iron 40 x 40 x 5 mm shall be used for making legs/ frame, duly powder coated internally and externally, including provn of Copper Busbar 600 Amps, Bus Bar chamber shall be provided with inspection covers, bottom cover shall have provision for fixing and including suitable cable glands of required size and specification for LT Cable entry, each MCCB, Change over, Bus Bar chambers, measuring instruments, etc including prewired shall have independent openings including provn of PCC Platform of suitable size PCC 1:2:4 all as directed by the Engineer-in-charge. The LT Panel comprising of the following:-1). Incoming - MCCB 4 pole 415 Volts adjustable thermal & fixed magnetic setting Ics=100% Icu type of capacity 250 Amps, 36 KA breaking capacity - 01 No2). Outgoing - MCCB 4 pole 415 Volts adjustable thermal & fixed magnetic setting Ics=100% Icu type of capacity 200 Amps, 16 KA breaking capacity - 01 No | | 15 | Item No 14 Continued…... (3). Outgoing - MCCB 4 pole 415 Volts adjustable thermal & fixed magnetic setting Ics=100% Icu type of capacity 100 Amps, 16 KA breaking capacity - 03 No 4). VIF Digital meter with Suitable CTs for Ampere and Voltage display5). LED Indicator lamp set of three colour 6). On load change over switch 250 A - 01 No Note : The rate quoted shall include disconnection of all existing Electrtical connections and reconnecting with the new panel with new Thimbles and nut bolts, wahsers, etc. and taking out old U/S panels as directed by the Engineer in charge. | | 16 | M & L for cutting / welding/ fabricating, Installation , Testing and commissioning of LT Bus Bar Feeder Piller Box outdoor type having provision of double door openings into two halves with rubber beadings cubical type of size 1.00x0.75x0.40 Mtr as directed by the manufacturer, made out of 3.15 mm CRCA sheet compartmentalized with rubber beadings, angle iron 40 x 40 x 5 mm shall be used for making legs/ frame, duly painted with powder coated internally and externally, including provn of Aluminium Busbar 400 Amps, including MCCB 200 A , 16 KA 3 Pole -01 No as incomer and MCCB 100 A, 16 kA MCCB - 2 nos as outgoing and suitable insulators , cable glands of required size as per site requirement for LT Cable entry. Including PCC Platform of suitable size PCC 1:2:4 all as directed by the Engineer-in-charge. | | 17 | M & L for cutting / welding/ fabricating, Installation , Testing and commissioning of LT Bus Bar Feeder Piller Box outdoor type having provision of double door openings into two halves with rubber beadings cubical type of size 1.00x0.75x0.40 Mtr as directed by the manufacturer, made out of 3.15 mm CRCA sheet compartmentalized with rubber beadings, angle iron 40 x 40 x 5 mm shall be used for making legs/ frame, duly painted with powder coated internally and externally, including provn of Aluminium Busbar 400 Amps, including MCCB 100 A , 16 KA 3 Pole -01 No as incomer and MCCB 63 A, 16 kA MCCB - 2 nos as outgoing and suitable insulators , cable glands of required size as per site requirement for LT Cable entry. Including PCC Platform of suitable size PCC 1:2:4 all as directed by the Engineer-in-charge. Please Enable Macros to View BoQ information | | 18 | M & L for cutting / welding/ fabricating, Installation , Testing and commissioning of LT Bus Bar Feeder Piller Box outdoor type having provision of double door openings into two halves with rubber beadings cubical type of size 1.00x0.75x0.40 Mtr as directed by the manufacturer, made out of 3.15 mm CRCA sheet compartmentalized with rubber beadings, angle iron 40 x 40 x 5 mm shall be used for making legs/ frame, duly painted with powder coated internally and externally, including provn of Aluminium Busbar 400 Amps, including MCCB 100 A , 16 KA 3 Pole -01 No as incomer and MCCB 63 A, 16 kA MCCB - 2 nos as outgoing and suitable insulators , cable glands of required size as per site requirement for LT Cable entry. Including PCC Platform of suitable size PCC 1:2:4 all as directed by the Engineer-in-charge. Please Enable Macros to View BoQ information |
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