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| 1 | Supply,install,testing and commissioning AC 3 phase 50 cycle 500 KVA Transformer copper wound stepdown, plinth mounted ,outdoor type 11000/433 volts at No load ,oil immersed naturally cooled with externally cooling tubes core type delta connected on primary (HV side and star connected on secondary (LV side) in a accordance with vector symbol DY-11 (vector group 4) with natural brought on secondary LV side and having tapping at +/-5%,+/-7.5%,+/- 10% Level- 3, to be changed by means of hand operated \\"OFF LOAD\\" tap changer. when meassured by the resistance meathod after continous full load run in ambient temperature 48 degree centigrade .The transformer shall be complete with standard fittings all as specified and confirming to IS:335 of 1983 for oil and IS: 2026 for transformer comprising of following:- (a)One cable box on LV side (secondary side) consisting of 04 nos of porcelain bushing with bushing rods complete with nut, washers, cable gland etc. (b) Oil conservator tank with filter type drain valve and oil level guage. (c) Dehydration breather assy with first fill of dehydrating agent . (d) Explosion vent. (e) Thermometer pocket on tank cover. (f) Dial type thermometer vapour pressure having range 0-120 degree C with max reading pointer max temp indicator and resetting device. (g) Rating plate with terminal marking. (h) 02 earthing terminal on tankand cover for fixing earth strip of size 32x6mm. (i) Oil level gauge and oil drain filter valve. (j) Lifting hook (k) Oil filler hole with cap /plug with connection complete. (l) Air relief valve plug. (m) Detachable rollers -04 Nos (n) Extra bushing for Neutral out side the cable box for independent earthing for neutral earth. (o) First fill of fresh transformer oil confirming to relevant IS and tested up to 50 KV die electric strength. (Note :- The rate quoted is deemed to include the rate of making plinth to install the transformer and the height of the plinth shall not be less than be 1 mtr from existing ground level or as directed by Engr-in-Charge). |
| 2 | Supply, install, testing and commmissioning outdoor type HT 11 KV, 3 phase, 50Hz motorised operated Ring Main Unit IP 54 enclosure, totally enclosed metal clad SF6 switchgear having rupturing capacity upto 630 Amps. One incoming and three outgoing (WW+M) fully enclosed, compact, factory assembled cabinet inside robotically welded stainless steel 304 (Non Ferrite Non Magnetic Grade) tank minimum 2.5 mm thick having IP67 degree of protection filled with SF6 gas insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. Switchgear Operating Mechanism shall have an IP2X Protection and cable Chamber shall have IP3X Protection. Each 3 Pole Load Break Switch shall comprice of 11 KV, 630 Amps 21 KA/ 3 seconds, Short Time Current (STC) 21 KA for 3 seconds, Rated Power Frequency withstand voltage 75 KVp. Fault Passage Indicator System (FPIS) & Voltage Presence Indicator System (VPIS), Self-Powered microprocessor controlled Numerical Protection Relay for Short Circuit, Over Current and Earth Fault with auxiliary power, battery and battery charger. The unit shall have front cable entry for ease of installation and shall have site replaceble bushings for ease of troubleshooting during breakdown situated not beyond 300 mm from cable cover to allow ease of access for installation/testing/replacement purposes. Cable covers with self-interlocking mechanism between doors, earth switch, disconnector & VCB. Capacitive voltage indication fixed type system Mechanical indications for breaker ON, OFF, EARTH, TRIP, Spring Charged-Discharged. RMU shall have complete accessories such as Ring core current transformer type 30/1A, 2.5 VA, 5P10 for protection, Space heater with thermostate (230V AC), Terminal boots, cable supports, all front cable termination boots, mechanical indications for load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60265-1, 62271-102, 62271-100 and 60694. Suitable for altitude of installation upto 1000m as per IEC 60120 |
| 3 | Note :-(i) All civil works including foundation for RMU to be carried out as per manufacturer's specification and the amount for the same are included in the rates quoted.(ii) Necessary T & P , Transportation etc are included in the rates quoted.(iiI) Installation, testing & commissioning will be done by OEM rep(iv) It is preferable to have a design of accomodating minimum five Nos modules in a single tank wherever applicable.(v) Necessary HT cable connection with lugs etc. are included in the rates quoted |
| 4 | Supply, installation, commisioning and testing factory made and tested, CPRI approved, LT Panel (KISOK), outdoor type, mounted on rigid angle iron frame, suitable size, having independent compartment for insulated Aluminium bus bar, incoming feeder and each out going feeder, dust and vermin proof, factory made, fabricated out of not less than 3.15 mm thick CRCA sheet suitable for 3 Phase 415 volts 50 Hz, AC supply, bus bar chamber with aluminium bus bar of 1000 Amp rating for 3 phase and neutal 4 wire system duly insulated with heat shrinkable type sleeves as per colour code, supported on epoxy insulators - 01 Set, common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals , cable glands with independent plates at bottom for each out going and in coming cables in cable alley and complete board painted with powder coating in siemens grey colour front & rear opening type with double door shutter and locking arrangement including provision of 65 mm Godrej (freedom) lock with 2 keys, suitable aprons for cable entry/exist including taking down and refixing of exisiting cable properly with lug and thimable, Rate including for removal and taking out existing old/rusted LT Panel board of any type any size complete all as approved and comprising as under: - |
| 5 | Incoming :- (a) 800A FP 50 KA EDO MICRO ACB (U - POWER) - 01 No(b) Under Voltage Release (UVR) 240V AC- 01 No.(c) Digital MFM Metering, Multifunction Meter. -01 No. (d) R-Y-B indicating lamps - 01 set. (e) Control fuse -04 Nos.(f) CT -03 Nos(g) CT Short link - 04 Nos(h) 6A SP 'C' MCB - 08 Nos(j) E- STOP Push button - 01 No(k) R-G-O Indication Lamp - 01 No(l) Selector Switch 1 P 2 W 6A - 01 No(m) TNC Breaker Control Switch 25 A (1 NO + 1 NC) - 1 No(n) On Delay Timer 0.3 Sec-30 Hrs (MICON 175) 240 - 415 VAC - 01 No |
| 6 | Out going :- (a) 800A FP 50 KA EDO MICRO ACB (U - POWER) - 02 Nos(b) Under Voltage Release (UVR) 240V AC- 02 Nos.(c) Digital MFM Metering, Multifunction Meter. -02 Nos. (d) R-Y-B indicating lamps - 02 set. (e) Control fuse -08 Nos.(f) CT -06 Nos(g) CT Short link - 08 Nos(h) 6A SP 'C' MCB - 16 Nos(j) E- STOP Push button - 02 Nos(k) R-G-O Indication Lamp - 02 Nos(l) Selector Switch 1 P 2 W 6A - 02 Nos(m) TNC Breaker Control Switch 25 A (1 NO + 1 NC) - 02 Nos(n) On Delay Timer 0.3 Sec-30 Hrs (MICON 175) 240 - 415 VAC - 02 Nos(o) CRYO CC-510-B1-01-R _ 01 No(p) Cooling Fan 6 x 6 - 02 Nos(q) Door Limit Switch With Light - 03 Nos(r) Angle iron base frame as reqd size as per above panel, total leg height 600 mm and grouting in side PCC 150 mm legs and made out of ISA5050, 50 x 50 x 6 mm thick angle iron duly painted - 01 No.(s) M & L for necessary excavation and as reqd PCC 1:3:6 (40 mm graded aggregate) Type C2 for foundation of angle iron legs frame work complete - 01 job |
| 7 | Excavation in trenches not exceeding 1.5m width and not exceeding 1.5 m in depth and getting out in soft/loose soil for taking up/laying cable/pipe etc complete all as specified and directed. |
| 8 | Returning, filling in trenches, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in Soft/loose soil complete all as specified and directed. |
| 9 | Removal of excavated material at a distance not exc 50 mtr and dipositing where directed at a level not exc. 1.5 mtr above the starting point in Soft / loose soil complete all as specified and directed. |
| 10 | Supply and laying dry Sand cushioning to underground cable with screened, washed river sand, including punning gently complete all as specified and directed.Note: - Thickness after punning will be measured for payment. |
| 11 | Supplying and laying reinforced precast concrete cable cover, class LV, Type 1, flat, size 250 mm x 150mmx 40mm complete all as specified and directed by Engineer in charge. |
| 12 | Supply and laying of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 sq mm 3 core complete all as specified and directed. Note:- Excavation, earthwork will be measured and paid separately under respective items of this Schedule. |
| 13 | Supply and lay and testing cable LT XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with standerd aluminum conductor, 1100 Volts grade, of size 400 Sqmm 3.5 Core complete all as specified and as directed. Note:- Excavation, earthwork, will be measured and paid separately under respective items of this Schedule.. |
| 14 | Supply and Fixing PVC insulated unsheathed, multi stranded FRLS copper conductor flexible cable 1100 volt grade of size 185 Sqmm single core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing complete all as specified and as directed. |
| 15 | Supply and Fixing PVC insulated unsheathed, multi stranded FRLS copper conductor flexible cable 1100 volt grade of size 50 Sqmm single core. laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing complete all as specified and as directed. |
| 16 | S&F cage of wire mesh suitable for covering the outdoor transformers for monkey protection with all the four corner and top bottom angle iron framing of size 3.0 x 3.0 x 1.8 m suitable to be mounted on plinth of transformer and wire mesh net wire size 1.0 mm dia and wire mess square gap 10 mm with arrangement of hinged door on one side for opening and closing of the cage for maintenance of transformers with four no ring of size 25 mm dia and tickness 5.0 mm and made 10 mm hole for inserting the stud of size 5 cm long and 10 mm thick with suitable size bolt also welded in the bottom outer side for holding the casing including PCC 1:2:4 of 20 mm aggregate of size with one coat of red oxide primer and one coat blue colour paint complete all as specified and directed. |
| 17 | M & L for chemical Earthing complete in repairs with copper earth plate 90 cm x 60 cm x 5 mm burried directly in ground vertically to a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level connected to and including copper earth strip of 32X6mm dia by means of bolts,nuts, check nuts and washer etc made of galvanised iron and connected to earthing test point all as shown in electrical plate No.3 of SSR Part I 2009 and as specified or indicated and testing on completion including excavation/earth work in any type of strata, PCC (1:3:6) type C1 earthing chamber, precast RCC slab 50 mm thick in reinforced cement concrete (1:2:4) type B1 reinforced with welded steel wire fabric (XPM jali weight not less than 4 Kg/Sqm), cast iron frame, funnel with wire mesh, 40 mm bore medium grade GI watering pipe, lugs, 15 mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed.Note: (i) Item includes the cost of 7.5 metre GI pipe for protection of earth lead. Any addition in length shall be adjusted through deviation order. |
| 18 | M & L for Earthing complete with copper earth electrode 60 cm x 60 cm x 3 mm burried directly in ground vertically to a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level connected to and including galvanised earth lead as copper strip of 20X3mm dia by means of bolts,nuts, check nuts and washer etc made of copper and connected to earthing test point all as shown in electrical plate No.3 of SSR Part I 2009 and as specified or indicated and testing on completion including excavation/earth work in any type of strata, PCC (1:3:6) type C1 earthing chamber, precast RCC slab 50 mm thick in reinforced cement concrete (1:2:4) type B1 reinforced with welded steel wire fabric (XPM jali weight not less than 4 Kg/Sqm), cast iron frame, funnel with wire mesh, 40 mm bore medium grade GI watering pipe, lugs, 15 mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed.Note: (i) Item includes the cost of 7.5 metre GI pipe for protection of earth lead. Any addition in length shall be adjusted through deviation order.(ii) necessary excavation wk is included in this item. Please Enable Macros to View BoQ information |
