REPAIR TO REPLACEMENT OF TRANSFORMERS AGAINST DECLARED BER AT CHAFB UNDER GE (AF) BANGALORE

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Tender Inviting Authority: CWE (AF) North Bangalore

Name of Work: REPAIR TO REPLACEMENT OF TRANSFORMERS AGAINST DECLARED BER AT CHAF UNDER GE (AF) BANGALORE

Contract No: CWE(AF)/N/BAN/ of 2025-26

Sl. No. Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category

1 Supply,Installation, Testing and Comissioning of step up transformer IN door Suitable for plinth mounting , including Construction of Plinth with required civil work as recommended by the manufacturar complete with standard accessories or fittings suitable for Inverter voltage / 11 KV (at no load) AC, 3 phase, 50 cycles, 4wire, capacity 100 KVA double copper wound, immersed C R GO core type naturely coled, built-up with class "A" Insulation conforming - IS:1180-2014 with amd no 1,2,3 & 4 (Level-III) Including amendments as an the date of receipt of tender with following requirement:- (a) Contionus Rating : 100KVA (b) No Load Voltage ration : 11KV /433 V (c) Taping on HV ) +/- 7.5%, +/- 5%. +/- 2.5 % (d) Phase and Frequency : 3 phase & 50 Hz (e) Vector Group: As per Design (f) Cooling: ONAN (g) Type : Outdoor (h) Terminal amangement: HV Side: Quadfurcating cable box with 03 Nos bushing type terminal for connecting HT XLPE cable and 01 No for earthing LV Side: Bus Duct" (i) First filling of new and unused transformer oil conforming to IS-335-1993 (fourth revision) shall be marked, filtered and tested upto 50 kV di electric strength at 2.5mm air gap between testing electrodes complete all as specified and directed. 1 Each Excess(+) Full Conversion INR

1.01 (j) Fittings: (i) Extermally Hand Operated Off - Circuit tap switch with position indicator and locking arrangement device. (ii) Conservator with oil gauge, filling hole with plug and drain hole with plug. (iii) Undercarriage with four plain rollers. (iv) Lifting lugs for core. (v) Earthing terminals. (vi) 150mm Oil temperature indicator with alarm and trip contacts, (vii) 150mm Winding temperature indicator with alarm and trip contacts. (viii) OCTC(Off circuit Tap Changer) (ix) Buchholtz relay-01 No. (x)TOP Filter valve with plug. (xi) Rating plate with diagram plate. (xii) Lifting lugs for transformer. (xiii) Oil-Filling hole cum air release plug. (xiv) Drain valve cum sampling valve. Thermometer Pockets. (xv) Silica Breather. (xvi) Marshalling Box with double window.

2 Supply,Installation, Testing and Comissioning of step up transformer Outdoor Suitable for plinth mounting including Construction of Plinth with required civil work as recommended by the manufacturar complete with standard accessories or fittings suitable for Inverter voltage / 11 KV (at no load) AC, 3 phase, 50 cycles, 4wire, capacity 200 KVA double copper wound, immersed C R GO core type naturely coled, built-up with class "A" Insulation conforming - IS:1180-2014 with amd no 1,2,3 & 4 (Level-III) Including amendments as an the date of receipt of tender with following requirement:- (a) Contionus Rating : 200 KVA (b) No Load Voltage ration : 11KV /433 V (c) Taping on HV ) +/- 7.5%, +/- 5%. +/- 2.5 % (d) Phase and Frequency : 3 phase & 50 Hz (e) Vector Group: As per Design (f) Cooling: ONAN (g) Type : Outdoor (h) Terminal amangement: HV Side: Quadfurcating cable box with 03 Nos bushing type terminal for connecting HT XLPE cable and 01 No for earthing LV Side: Bus Duct" (i) First filling of new and unused transformer oil conforming to IS-335-1993 (fourth revision) shall be marked, filtered and tested upto 50 kV di electric strength at 2.5mm air gap between testing electrodes complete all as specified and directed. 1 Each Excess(+) Full Conversion INR

2.01 (j) Fittings: (i) Extermally Hand Operated Off - Circuit tap switch with position indicator and locking arrangement device. (ii) Conservator with oil gauge, filling hole with plug and drain hole with plug. (iii) Undercarriage with four plain rollers. (iv) Lifting lugs for core. (v) Earthing terminals. (vi) 150mm Oil temperature indicator with alarm and trip contacts, (vii) 150mm Winding temperature indicator with alarm and trip contacts. (viii) OCTC(Off circuit Tap Changer) (ix) Buchholtz relay-01 No. (x)TOP Filter valve with plug. (xi) Rating plate with diagram plate. (xii) Lifting lugs for transformer. (xiii) Oil-Filling hole cum air release plug. (xiv) Drain valve cum sampling valve. Thermometer Pockets. (xv) Silica Breather. (xvi) Marshalling Box with double window.

3 Supply,Installation, Testing and Comissioning of step up transformer IN door Suitable for plinth mounting including Construction of Plinth with required civil work as recommended by the manufacturar complete with standard accessories or fittings suitable for Inverter voltage / 11 KV (at no load) AC, 3 phase, 50 cycles, 4wire, capacity 400 KVA double copper wound, immersed C R GO core type naturely coled, built-up with class "A" Insulation conforming - IS:1180-2014 with amd no 1,2,3 & 4 (Level-III) Including amendments as an the date of receipt of tender with following requirement:- (a) Contionus Rating : 400 KVA (b) No Load Voltage ration : 11KV /433 V (c) Taping on HV ) +/- 7.5%, +/- 5%. +/- 2.5 % (d) Phase and Frequency : 3 phase & 50 Hz (e) Vector Group: As per Design (f) Cooling: ONAN (g) Type : Outdoor (h) Terminal amangement: HV Side: Quadfurcating cable box with 03 Nos bushing type terminal for connecting HT XLPE cable and 01 No for earthing LV Side: Bus Duct" (i) First filling of new and unused transformer oil conforming to IS-335-1993 (fourth revision) shall be marked, filtered and tested upto 50 kV di electric strength at 2.5mm air gap between testing electrodes complete all as specified and directed. 2 Each Excess(+) Full Conversion INR

3.01 (j) Fittings: (i) Extermally Hand Operated Off - Circuit tap switch with position indicator and locking arrangement device. (ii) Conservator with oil gauge, filling hole with plug and drain hole with plug. (iii) Undercarriage with four plain rollers. (iv) Lifting lugs for core. (v) Earthing terminals. (vi) 150mm Oil temperature indicator with alarm and trip contacts, (vii) 150mm Winding temperature indicator with alarm and trip contacts. (viii) OCTC(Off circuit Tap Changer) (ix) Buchholtz relay-01 No. (x)TOP Filter valve with plug. (xi) Rating plate with diagram plate. (xii) Lifting lugs for transformer. (xiii) Oil-Filling hole cum air release plug. (xiv) Drain valve cum sampling valve. Thermometer Pockets. (xv) Silica Breather. (xvi) Marshalling Box with double window.

4 Excavation in trenches not exc. 1.5m wide and not exc 1.5m in depth and getting out in soft /Loose soil for laying of cable complete all as specified and directed. 143 Cum Excess(+) Full Conversion INR

5 Returning filling in, including spreading, levelling, watering and well ramming in layer not exc 25cm complete all as specified and directed. 93 Cum Excess(+) Full Conversion INR

6 Removal of surplus soil (excavated soil) to a distance not exceeding 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and directed. 50 Cum Excess(+) Full Conversion INR

7 M & L River sand, spread dry in trenches as in cable cushioning complete all as specified and directed. 34 Cum Excess(+) Full Conversion INR

8 Supply and laying un-reinforced precast concrete cable cover Class LV, Type I, flat, size 250 mm x 150mm x 40mm laid in trenches as in protection of UG cables complete all as specified and directed. 1800 Each Excess(+) Full Conversion INR

9 Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 with peak, size 300mm x 180mm x 40mm laid in trenches as in protection of UG cables complete all as specified and directed. 1100 Each Excess(+) Full Conversion INR

10 S & F XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, galvanised steel strip or wire armoured, aluminium conductor, 11000 volts Earthed, rade cross sectional area 185 sq. mm 3 Core complete all as specified and directed. 90 RM Excess(+) Full Conversion INR

11 S & F XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, galvanised steel strip or wire armoured, aluminium conductor, 11000 volts Earthed, rade cross sectional area 120 sq. mm 3 Core complete all as specified and directed. 85 RM Excess(+) Full Conversion INR

12 S & F XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, galvanised steel strip or wire armoured, aluminium conductor, 11000 volts Earthed, rade cross sectional area 95 sq. mm 3 Core complete all as specified and directed. 80 RM Excess(+) Full Conversion INR

13 S & F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50sqmm to 95 sqmm ® complete all as specified and directed. 4 Each Excess(+) Full Conversion INR

14 S & F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm ® complete all as specified and directed. 4 Each Excess(+) Full Conversion INR

15 S & F XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 150 Sqmm 3.5Core complete all as specified and directed. 90 RM Excess(+) Full Conversion INR

16 S & F XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 240 Sqmm 3.5Core complete all as specified and directed. 190 RM Excess(+) Full Conversion INR

17 Dismantling of Transformer 100 KVA complete and shifting to store yard complete all as specified and directed. 1 Each Job Excess(+) Full Conversion INR

18 Dismantling of Transformer 200 KVA to 400 KVA complete and shifting to store yard complete all as specified and directed. 3 Each Job Excess(+) Full Conversion INR

19 Dismantling of of cable any size complete all as specified and directed. 535 RM Excess(+) Full Conversion INR

20 Material & Labour for earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.3 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to galvanised earth strip of size 32 x 6 mm by means of bolts, nuts and washers of galvanised iron or steel all as shown in elecrtical plate No 3 of SSR pt I, connected to DB/earthing test point including PCC chamber , RCC cover 50mm thick with 8 mm dia bars, protection pipe, funnel etc including excavation, earth work, disposal of surplus soil and earth strip protection pipe of GI 40 mm bore light grade upto 7.5 metre including testing on complete all as specified and directed. 16 Each Set Excess(+) Full Conversion INR

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