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| 1 | Supply, fixing, testing and commissioning Transformer step down 11/0.433 KVA complete outdoor/indoor copper wound of capacity 160 KVA complete all as specified and directed. Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 160 KVA capacity,Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class \\"A\\" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to IS – 1180 [Part-I], energy efficient level III with latest amendment complete all as specified and as directed and comprising of the following Specification and Fittings:(Continuous Rating : 160 KVA, No-Load Voltage Ratio : 11 KV / 433 V , Tapping on HV [%] : ± 7.5, ± 5, ± 2.5, Phase & Frequency : 3 Phase & 50 Hz, Connection : Delta Star, Vector Group : DYN 11, Cooling : ONAN, Type : Outdoor) Make: ABB, Crompton Greaves and M/s. Indian Transformers and Electricals Pvt Ltd, Gurgaon.Fittings:[a] Externally hand operated Off–Circuit Tap Switch with position indicator and locking device.[b] Conservator with Oil Gauge, filling hole with plug & drain hole with plug, [c] Undercarriage with four plain rollers, [d] Oil filling hole cum air release plug, [e] Drain Valve cum Sampling Valve, [f] Top Filter Valve with Plug, [g] Rating Plate with Diagram Plate,[h] Lifting lugs for Transformer,[j] Lifting lugs for Core,[k] Earthing Terminals, [l] Thermometer Pockets, [m] Silica Gel Breather,[n] Explosion Vent, [o] 150mm size Oil Temperature indicator, dial type with alarm and trip contacts,[p] 150mm size Winding Temperature indicator, dial type with alarm and trip contacts,[q] Buchholz Relay with 2 Shut-Off Valves,[r] Marshalling Box with Double Window, [s] OCTC. |
| 2 | Note: [a] The Transformers shall also be provided with following Terminal Arrangement & Fittings and rate quoted against respective item is deemed to be included for the same:Terminal Arrangement:[i] HV & LV Side: Cable Box,[ii] Quad furcating cable box with five compression glands for PVC Cable and One additional neutral terminal shall be brought out separately for earthing purpose on LV Side.[iii] First filling of new and unused Transformer Oil [IS – 335 Marked], filtered and tested up to 60KV dielectric strength at 2.5mm air gap between testing electrodes. Certification of dielectric strength shall be submitted by the Contractor after filling the oil. Transformer Oil shall be got tested.[iv] Apart from routine tests mentioned in these tender documents and relevant IS, pre-commissioning inspection of Transformer shall be carried out by Senior Electrical Inspector / Electrical Inspector. [b] All necessary arrangements with devices for measuring the temperature of core winding and oil,[c] Provision of Brick Masonry Platform for Transformer with Brickwork with old size Bricks in Cement Mortar 1:6 including excavation and earth work in any type of soil, PCC foundation with 100mm thick PCC 1:4:8, Type D2 using 40mm graded aggregate, PCC flooring with 40 mm thick PCC, 1:2:4, Type B1, using 20mm graded aggregate, over a sub base of 75mm thick PCC 1:4:8, Type D2, using 40mm graded aggregate over approved earth filling and rendering in CM 1:4, 20 mm thick over brick walls and applying three coats of white wash etc complete all as specified and as directed. |
| 3 | Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 250 KVA capacity,Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class \\"A\\" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to IS – 1180 [Part-I], energy efficient level III with latest amendment complete all as specified and as directed and comprising of the following Specification and Fittings:(Continuous Rating : 250 KVA, No-Load Voltage Ratio : 11 KV / 433 V , Tapping on HV [%] : ± 7.5, ± 5, ± 2.5, Phase & Frequency : 3 Phase & 50 Hz, Connection : Delta Star, Vector Group : DYN 11, Cooling : ONAN, Type : Outdoor) Make: Make: ABB, Crompton Greaves and M/s. Indian Transformers and Electricals Pvt Ltd, Gurgaon.Fittings:[a] Externally hand operated Off–Circuit Tap Switch with position indicator and locking device.[b] Conservator with Oil Gauge, filling hole with plug & drain hole with plug, [c] Undercarriage with four plain rollers, [d] Oil filling hole cum air release plug, [e] Drain Valve cum Sampling Valve, [f] Top Filter Valve with Plug, [g] Rating Plate with Diagram Plate,[h] Lifting lugs for Transformer,[j] Lifting lugs for Core,[k] Earthing Terminals, [l] Thermometer Pockets, [m] Silica Gel Breather,[n] Explosion Vent, [o] 150mm size Oil Temperature indicator, dial type with alarm and trip contacts,[p] 150mm size Winding Temperature indicator, dial type with alarm and trip contacts,[q] Buchholz Relay with 2 Shut-Off Valves,[r] Marshalling Box with Double Window, [s] OCTC. |
| 4 | Note: [a] The Transformers shall also be provided with following Terminal Arrangement & Fittings and rate quoted against respective item is deemed to be included for the same:Terminal Arrangement:[i] HV & LV Side: Cable Box,[ii] Quad furcating cable box with five compression glands for PVC Cable and One additional neutral terminal shall be brought out separately for earthing purpose on LV Side.[iii] First filling of new and unused Transformer Oil [IS – 335 Marked], filtered and tested up to 60KV dielectric strength at 2.5mm air gap between testing electrodes. Certification of dielectric strength shall be submitted by the Contractor after filling the oil. Transformer Oil shall be got tested.[iv] Apart from routine tests mentioned in these tender documents and relevant IS, pre-commissioning inspection of Transformer shall be carried out by Senior Electrical Inspector / Electrical Inspector., [b] All necessary arrangements with devices for measuring the temperature of core winding and oil,[c] Provision of Brick Masonry Platform for Transformer with Brickwork with old size Bricks in Cement Mortar 1:6 including excavation and earth work in any type of soil, PCC foundation with 100mm thick PCC 1:4:8, Type D2 using 40mm graded aggregate, PCC flooring with 40 mm thick PCC, 1:2:4, Type B1, using 20mm graded aggregate, over a sub base of 75mm thick PCC 1:4:8, Type D2, using 40mm graded aggregate over approved earth filling and rendering in CM 1:4, 20 mm thick over brick walls and applying three coats of white wash etc complete all as specified and as directed. |
| 5 | Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 315 KVA capacity,Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class \\"A\\" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to IS – 1180 [Part-I], energy efficient level III with latest amendment complete all as specified and as directed and comprising of the following Specification and Fittings:(Continuous Rating : 250 KVA, No-Load Voltage Ratio : 11 KV / 433 V , Tapping on HV [%] : ± 7.5, ± 5, ± 2.5, Phase & Frequency : 3 Phase & 50 Hz, Connection : Delta Star, Vector Group : DYN 11, Cooling : ONAN, Type : Outdoor) Make: Make: ABB, Crompton Greaves and M/s. Indian Transformers and Electricals Pvt Ltd, Gurgaon.Fittings:[a] Externally hand operated Off–Circuit Tap Switch with position indicator and locking device.[b] Conservator with Oil Gauge, filling hole with plug & drain hole with plug, [c] Undercarriage with four plain rollers, [d] Oil filling hole cum air release plug, [e] Drain Valve cum Sampling Valve, [f] Top Filter Valve with Plug, [g] Rating Plate with Diagram Plate,[h] Lifting lugs for Transformer,[j] Lifting lugs for Core,[k] Earthing Terminals, [l] Thermometer Pockets, [m] Silica Gel Breather,[n] Explosion Vent, [o] Double Float Buchholz with alarm and trip contacts including control cable of copper conductor of size & length from Marshalling Box to Relay of VCB, [p] 150mm size Oil Temperature indicator, dial type with alarm and trip contacts,[q] 150mm size Winding Temperature indicator, dial type with alarm and trip contacts,[r] Buchholz Relay with 2 Shut-Off Valves,[s] Marshalling Box with Double Window, [t] OCTC. |
| 6 | Note: [a] The Transformers shall also be provided with following Terminal Arrangement & Fittings and rate quoted against respective item is deemed to be included for the same:Terminal Arrangement:[i] HV & LV Side: Cable Box,[ii] Quad furcating cable box with five compression glands for PVC Cable and One additional neutral terminal shall be brought out separately for earthing purpose on LV Side.[iii] First filling of new and unused Transformer Oil [IS – 335 Marked], filtered and tested up to 60KV dielectric strength at 2.5mm air gap between testing electrodes. Certification of dielectric strength shall be submitted by the Contractor after filling the oil. Transformer Oil shall be got tested.[iv] Apart from routine tests mentioned in these tender documents and relevant IS, pre-commissioning inspection of Transformer shall be carried out by Senior Electrical Inspector / Electrical Inspector., [b] All necessary arrangements with devices for measuring the temperature of core winding and oil, complete all as specified and as directed. |
| 7 | Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 400 KVA capacity,Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class \\"A\\" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to IS – 1180 [Part-I], energy efficient level III with latest amendment complete all as specified and as directed and comprising of the following Specification and Fittings:(Continuous Rating : 250 KVA, No-Load Voltage Ratio : 11 KV / 433 V , Tapping on HV [%] : ± 7.5, ± 5, ± 2.5, Phase & Frequency : 3 Phase & 50 Hz, Connection : Delta Star, Vector Group : DYN 11, Cooling : ONAN, Type : Outdoor) Make:Make: ABB, Crompton Greaves and M/s. Indian Transformers and Electricals Pvt Ltd, Gurgaon.Fittings:[a] Externally hand operated Off–Circuit Tap Switch with position indicator and locking device.[b] Conservator with Oil Gauge, filling hole with plug & drain hole with plug, [c] Undercarriage with four plain rollers, [d] Oil filling hole cum air release plug, [e] Drain Valve cum Sampling Valve, [f] Top Filter Valve with Plug, [g] Rating Plate with Diagram Plate,[h] Lifting lugs for Transformer,[j] Lifting lugs for Core,[k] Earthing Terminals, [l] Thermometer Pockets, [m] Silica Gel Breather,[n] Explosion Vent, [o] Double Float Buchholz with alarm and trip contacts including control cable of copper conductor of size & length from Marshalling Box to Relay of VCB, [p] 150mm size Oil Temperature indicator, dial type with alarm and trip contacts,[q] 150mm size Winding Temperature indicator, dial type with alarm and trip contacts,[r] Buchholz Relay with 2 Shut-Off Valves,[s] Marshalling Box with Double Window, [t] OCTC. Please Enable Macros to View BoQ information |
| 8 | Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 400 KVA capacity,Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class \\"A\\" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming to IS – 1180 [Part-I], energy efficient level III with latest amendment complete all as specified and as directed and comprising of the following Specification and Fittings:(Continuous Rating : 250 KVA, No-Load Voltage Ratio : 11 KV / 433 V , Tapping on HV [%] : ± 7.5, ± 5, ± 2.5, Phase & Frequency : 3 Phase & 50 Hz, Connection : Delta Star, Vector Group : DYN 11, Cooling : ONAN, Type : Outdoor) Make:Make: ABB, Crompton Greaves and M/s. Indian Transformers and Electricals Pvt Ltd, Gurgaon.Fittings:[a] Externally hand operated Off–Circuit Tap Switch with position indicator and locking device.[b] Conservator with Oil Gauge, filling hole with plug & drain hole with plug, [c] Undercarriage with four plain rollers, [d] Oil filling hole cum air release plug, [e] Drain Valve cum Sampling Valve, [f] Top Filter Valve with Plug, [g] Rating Plate with Diagram Plate,[h] Lifting lugs for Transformer,[j] Lifting lugs for Core,[k] Earthing Terminals, [l] Thermometer Pockets, [m] Silica Gel Breather,[n] Explosion Vent, [o] Double Float Buchholz with alarm and trip contacts including control cable of copper conductor of size & length from Marshalling Box to Relay of VCB, [p] 150mm size Oil Temperature indicator, dial type with alarm and trip contacts,[q] 150mm size Winding Temperature indicator, dial type with alarm and trip contacts,[r] Buchholz Relay with 2 Shut-Off Valves,[s] Marshalling Box with Double Window, [t] OCTC. Please Enable Macros to View BoQ information |
