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| 1 | NOTE:- (Applicable for all parts/items/):- The bidders/contractors are advised to read tender document, all drawings & all corrigendum/ amendments and General conditions of contracts before entry/quoting |
| 2 | Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed. |
| 3 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed. |
| 4 | Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point |
| 5 | Supplying, installing, connecting, testing & commissioning mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 100 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, off circuit tap changing arrangement for voltage variations of +2.5% to -5% in steps of 2.5% for variation of HV, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 4.5% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. |
| 6 | Supplying, installing, connecting, testing & commissioning mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 250 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, off circuit tap changing arrangement for voltage variations of +5% to -10% in steps of 2.5% for variation of HV, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 4.5% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. |
| 7 | Supplying, installing, connecting, testing & commissioning mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 800 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, on load tap changer for variation of HV voltage from +5% to -15% in steps of 2.5%, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 5.0% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. |
| 8 | S & F XLPE cable end termination, heat shrinkable, indoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core, 120 sqmm to 185 sqmm complete all as specified and as directed. |
| 9 | S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core, 120 sqmm to 185 sqmm complete all as specified and as directed. |
| 10 | Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 120 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 and to be laid in trenches, under floors, through pipe laid under floors/roads and in trenches, through concealed GI pipe etc. making all connections with necessary glands, lugs, bushing complete all as specified and as directed. |
| 11 | Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 185 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 and to be laid in trenches, under floors, through pipe laid under floors/roads and in trenches, through concealed GI pipe etc. making all connections with necessary glands, lugs, bushing complete all as specified and as directed. |
| 12 | M & L for earthing complete with perforated galvanised steel pipe electrode 150 mm nominal bore, medium grade, 10 metre length buried directly in ground with top edge of the pipe not less than 1.25 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 2 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed. |
| 13 | Supply, installation, testing, commissioning of outdoor type compact substation with facility for internal lighting, earthing, padlocks etc. 11 kV comprising of twin canopy design should have three compartment i.e. Load Break switch compartment, Transformer compartment and LT panel compartment. The CSS should has following equipment of given capacity and specifications as given below:- a) Load Break switch COMPARTMENT:-11 kV indoor type RMU floor mounted with internal electrolytic grade copper bus bars, consisting of combinations of 400 Amp 2 Nos. fixed motorised operated Load Break Switch & 1 Nos. fixed type motorised operated Vacuum Circuit Breaker Module in SF6 insulated stainless steel enclosure. All live parts, bus bars, LBSs connections of RMU shall be enclosed in on+B3e tank to avoid multiple interconnections & sealed for life robotically welded non-magnetic and non-ferrite grade stainless steel tank Grade 304 of minimum 2.5 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU should be complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards with latest amendments 62271-200, 60129, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Extensible Bushings, if applicable shall be bolted type top mounted outside the tank for connection of external bus bar. Also, the outer enclosure shall cover the full length of the switchgear, to ensure IP3X+IP54 protection for cable boxes. The unit shall be internal arc proof 21 kA for 1 sec. for tank +Cable Box, and tested and totally safe for human beings. The gas release & personnel safety with internal arc proof shall not depend on plinth design. |
| 14 | Srl Item No 12 Continued......The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personnel near the sides of the RMU/plinth, top release will ensure their safety. The release in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the ‘Internal fault IAC-AB as per IEC 62271-200. Internal arc proof & testing shall be done with enclosure door in open condition, with switching devices in operation mode. The Vacuum Bottle shall be of same make as that of RMU to ensure better life cycle optimization for the RMU. The unit shall include the following with all necessary standard fitting required at site.400A fixed motorised operated Load Break Switch module for making of fault current along with Earth Switch of full making capacity, short time withstand current - 21 kA/ 3 secMaking Capacity - 52.5 kAp, Auxiliary contacts - 1NO + 1NCPower frequency withstand voltage - 38kV, Impulse withstand voltage - 95kVNominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2XCable covers - 3X, Snap action mechanism for manual operation and pad-lockable Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 kV XLPE cableRight angle non-touch proof Termination boots - 1 Set (R,Y,B)400A motorised Vacuum Circuit Breaker Module module for making & breaking of fault current alongwith Earth Switch of full making capacity Manual operated 400 A Vacuum circuit breaker having spring stored mechanism. Three position disconnector/earthing switch downstream vacuum circuit-breaker with pad-locking feature. Three position single spring mechanism for disconnector/earthing switch with pad-locking feature. “Live Cable” LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. Short time breaking current - 21kA/ 3 sec, Making Capacity - 52.5 kAp Auxiliary contacts - 1NO + 1NC, Power frequency withstand voltage - 38kV Impulse withstand voltage - 98kV, Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2XCable covers - 3X, Green (ON)/Red (OFF) push buttons to operate VCB.3O/C + 1E/F self-powered numerical protection relay with Low and High set for Over current and Earth Fault. Resin cast ring core protection CT plate mounted type: 80/40-1/1 A, 5P10, 2.5 VA - 3 Nos Mechanical ON/OFF/EARTH/Spring charge Indication |
| 15 | Srl Item No 12 Continued......Cable boxes should be Arc Proof interlocked with respective Earthing Switches.Right angle non-touch proof Termination boots - 1 Set (R, Y, B). (b) TRANSFORMER COMPARTMENT: -Mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 250 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, off circuit tap changing arrangement for voltage variations of +5% to -10% in steps of 2.5% for variation of HV, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 4.5% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. (c) LT COMPARTMENT:-LT panel Board of Suitable size indoor type (single door) 415 Volts, dust proof, vermin proof made out of CRCA sheet 2 mm thick compartmentalized inside panel to accommodate the incoming and outgoing each switch gear shall have be independent opening, and having provision for front side opening with rubber beading and mild steel cable glands for each cable to make it weather and vermin proof.INCOMINGMCCB 400 Amp microprocessor release type Four Pole, Breaking capacity 36 kA, ICS=100% of ICU, adjustable overload setting from 0.4 to 1.0 x In, Adjustable short circuit setting from 1.5 to 8xIr- 01 No Bus bars of aluminium strips of 500 Amp current rating capacity |
| 16 | Srl Item No 12 Continued......Multifunction Meter Digital type showing V, A, F, Pf Kw, KWH in built Selector switch with CT coils for three phase - 01 Nos. with RYB indicatorsOUTGOINGMCCB rated current (In): 250 A, Icu: 36 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 1 NoMCCB rated current (In): 200 A, Icu: 36 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosMCCB rated current (In): 160 A, Icu: 25 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosMCCB rated current (In): 100 A, Icu: 25 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosIndicator lamp (R,Y,B) - 04 Set.Multifunction Meter Digital type showing V, A, F, Pf Kw, KWH in built Selector switch with CT coils for three phase Note:- all outgoing feeder shall be connected with suitable size of bus bar(d) CSS ENCLOSURE:- Outdoor type encloser of 1.5 mm (For non-load bearing members) & 2.0 mm (For load bearing members) thickness having modular construction of Galvanised Sheet Steel in suitable design for better heat dissipation and providing robust construction. The Enclosure shall have IP54 degree of protection for HT & LT switchgear compartment & IP 23 degree of protection for transformer compartment. The enclosure exterior shall be painted with epoxy based powder paint (colour RAL 7032). Each compartment will be provided with the door and pad locking arrangement. The design of the enclosure should be type tested for suitably handling any arcing inside the compartment for providing better safety to the operator. The compartment illumination lamp with door operated switch shall be provided for each compartment. All Civil works such as PCC/RCC foundation, Platform, Filling trench and pedestal etc as per CSS manufacturer's recommendation are included in scope of work. Please Enable Macros to View BoQ information |
| 17 | Srl Item No 12 Continued......Multifunction Meter Digital type showing V, A, F, Pf Kw, KWH in built Selector switch with CT coils for three phase - 01 Nos. with RYB indicatorsOUTGOINGMCCB rated current (In): 250 A, Icu: 36 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 1 NoMCCB rated current (In): 200 A, Icu: 36 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosMCCB rated current (In): 160 A, Icu: 25 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosMCCB rated current (In): 100 A, Icu: 25 kA, Ics: 100% of Icu, Uimp: 8 kV, Ui: 690 V, IP40, adjustable thermal (80% to 100%) and adjustable magnetic setting, four pole: 2 NosIndicator lamp (R,Y,B) - 04 Set.Multifunction Meter Digital type showing V, A, F, Pf Kw, KWH in built Selector switch with CT coils for three phase Note:- all outgoing feeder shall be connected with suitable size of bus bar(d) CSS ENCLOSURE:- Outdoor type encloser of 1.5 mm (For non-load bearing members) & 2.0 mm (For load bearing members) thickness having modular construction of Galvanised Sheet Steel in suitable design for better heat dissipation and providing robust construction. The Enclosure shall have IP54 degree of protection for HT & LT switchgear compartment & IP 23 degree of protection for transformer compartment. The enclosure exterior shall be painted with epoxy based powder paint (colour RAL 7032). Each compartment will be provided with the door and pad locking arrangement. The design of the enclosure should be type tested for suitably handling any arcing inside the compartment for providing better safety to the operator. The compartment illumination lamp with door operated switch shall be provided for each compartment. All Civil works such as PCC/RCC foundation, Platform, Filling trench and pedestal etc as per CSS manufacturer's recommendation are included in scope of work. Please Enable Macros to View BoQ information |
