PROVN OF GEYSER IN JCOs/OR MD ACCN AT BINNAGURI MIL STN UNDER GE NORTH BINNAGURI

Amount

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements. Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR: - 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module (LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessor based numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following:- (Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec, fully compartmentalized sheet steel enclosure with automatic safety shutters, GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows: - Rated Voltage - 12 KV, Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps., Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA., Rated making current for VCBs- 52 KA., Rated making current for Isolators - 62 KA., Rated short time current for 3 sec - 26.3 KA, Operating duty - 0 - 0.3 sec - CO 3 min - CO, Power frequency withstand voltage - 28 KV, Impulse withstand voltage - 75 KV, Busbar rating - 120% of continuous current., Operation: Spring closing mechanism - DC motor operated with 24 volt supply, Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green) Accessories: Mechanical counter, Space Heater with Thermostat, Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc, cubicle illumination lamp LED 9 watt retrofit type 230 V AC, T-N Switch, Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram: An operating mimic diagram shall be provided on the front side of each cubicle. Note: - Circuit breaker complete will be obtained directly from the OEM and not from the authorised system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorised representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS:- Transformers 500 KVA copper wounded dry resin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 500 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75º C (subject to IS tolerance) Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115 º C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both sides. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS:- The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips. Note -The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements. Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR:- 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module(LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessors numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following:- (Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec, Fully compartmentalized sheet steel enclosure with automatic safety shutters, GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows: - Rated Voltage - 12 KV, Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps., Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA., Rated making current for VCBs- 52 KA., Rated making current for Isolators - 62 KA., Rated short time current for 3 sec - 26.3 KA, Operating duty - 0 - 0.3 sec - CO 3 min – CO, Power frequency withstand voltage - 28 KV, Impulse withstand voltage - 75 KV, Busbar rating - 120% of continuous current. Operation: Spring closing mechanism - DC motor operated with 24-volt supply, Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green). Accessories: Mechanical counter, Space Heater with Thermostat, Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc, cubicle illumination lamp LED 9 watt retrofit type 230 V AC, T-N Switch, Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram: An operating mimic diagram shall be provided on the front side of each cubicle. Note: - Circuit breaker complete will be obtained directly from the OEM and not from the authorised system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorised representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS:- Transformers 1000 KVA copper wounded dry rasin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 1000 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75º C (subject to IS tolerance) Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115 º C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both sides. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS:- The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips. Note:- The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements. Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR:- 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module(LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessors numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following:- (Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec, Fully compartmentalized sheet steel enclosure with automatic safety shutters, GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows: - Rated Voltage - 12 KV , Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps. , Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA. , Rated making current for VCBs- 52 KA. , Rated making current for Isolators - 62 KA. , Rated short time current for 3 sec - 26.3 KA , Operating duty - 0 - 0.3 sec - CO 3 min - CO , Power frequency withstand voltage - 28 KV , Impulse withstand voltage - 75 KV , Busbar rating - 120% of continuous current., Operation: Spring closing mechanism - DC motor operated with 24-volt supply, Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green) Accessories: Mechanical counter, Space Heater with Thermostat, Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc, cubicle illumination lamp LED 9 watt retrofit type 230 V AC, T-N Switch, Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram: An operating mimic diagram shall be provided on the front side of each cubicle. Note: - Circuit breaker complete will be obtained directly from the OEM and not from the authorised system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorised representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS:- Transformers 630 KVA copper wounded dry rasin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 630 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75º C (subject to IS tolerance), Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115 º C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both sides. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS:- The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips. Note -The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements. Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR:- 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module(LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessors numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following:- (Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec, Fully compartmentalized sheet steel enclosure with automatic safety shutters, GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows: - Rated Voltage - 12 KV, Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps. , Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA. , Rated making current for VCBs- 52 KA. , Rated making current for Isolators - 62 KA. , Rated short time current for 3 sec - 26.3 KA , Operating duty - 0 - 0.3 sec - CO 3 min - CO , Power frequency withstand voltage - 28 KV , Impulse withstand voltage - 75 KV , Busbar rating - 120% of continuous current., Operation: Spring closing mechanism - DC motor operated with 24 volt supply , Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green) Accessories: Mechanical counter, Space Heater with Thermostat, Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc, cubicle illumination lamp LED 9 watt retrofit type 230 V AC, T-N Switch, Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram: An operating mimic diagram shall be provided on the front side of each cubicle. Note: - Circuit breaker complete will be obtained directly from the OEM and not from the authorised system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorised representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS:- Transformers 630 KVA copper wounded dry rasin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 630 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75º C (subject to IS tolerance) Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115 º C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both sides. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS:- The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips. Note:-The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements. Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR:- 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module(LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessor based numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following:- (Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec , Fully compartmentalized sheet steel enclosure with automatic safety shutters , GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows:- Rated Voltage - 12 KV, Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps., Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA., Rated making current for VCBs- 52 KA., Rated making current for Isolators - 62 KA., Rated short time current for 3 sec - 26.3 KA, Operating duty - 0 - 0.3 sec - CO 3 min - CO, Power frequency withstand voltage - 28 KV, Impulse withstand voltage - 75 KV, Busbar rating - 120% of continuous current., Operation: Spring closing mechanism - DC motor operated with 24 volt supply , Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green) Accessories : Mechanical counter ,Space Heater with Thermostat , Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc. , cubicle illumination lamp LED 9 watt retrofit type 230 V AC , T-N Switch , Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram : An operating mimic diagram shall be provided on the front side of each cubicle. Note :- Circuit breaker complete will be obtained directly from the OEM and not from the authorized system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorized representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS: Transformers 630 KVA copper wounded dry resin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 630 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75° C (subject to IS tolerance), Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115° C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both side. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS: The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips.Note -The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

Supply, installation, testing and commissioning of 11 KV Compact Substation (CSS) out door type plinth mounted, enclosure having construction of Powder Coated/ Galvanised sheet steel of 1.6 mm thickness for non load bearing and 2.0 mm for load bearing partition sheets, and door with HRCA 4.00 mm base frame. The enslosure shall have IP54 degree of protection for HT&LT switchgear components and IP34 degree of prptection for Transformer component. Each components will be provide with corrosion resistance and all side openable hinged door and lock and key arrangements.Heave lifting lugs with all equipments load. Necessary denger plates outside of the CSS. The compartment illumination lamp with door operated switch shall be provided for all the compartment including necessary foundation and earth work as per manufacturer's recommendation and as per the site conditions (drawing and specifications of the foundation recommended by the manufacturer to be approved by CWE before commencement of the work, the quoted rates are deemed to be inclusive of the same) . The CSS is comprising of the followings: -

HT SWITCHGEAR:- 11 KV, Non -extensible 3 WAY RMU compact switchgear consisting of two nos direct Module(LBS) and 1 No Manually operated 11 KV/630 Amps VCB in SF6 insulated stainless steel enclosure with series trip, self-powered microprocessors numerical over current and earth fault railway protection, HT cable/Bus Bar , and one metering module with necessary CTs and PT and digital panel mounted multifunction meter with class 1.0 accuracy, comprising the following :-(Complete unit is to be installed inside CSS, protection accessories , Enclosure : Metal Clad, IP-54 Protection. Protection Relay: Self Powered Alfa numeric LCD display type. Internal arc tested for 1 sec, Fully compartmentalized sheet steel enclosure with automatic safety shutters, GI foundation bolts with provision of cable terminating facilities with powder coated smooth glossy finish and as per follows: - Rated Voltage - 12 KV, Rated Frequency - 50 Hz., Rated continuous current rating - 630 Amps. , Rupturing capacity of VCB --350 MVA, Rated Interrupting Current - 21 KA. , Rated making current for VCBs- 52 KA. , Rated making current for Isolators - 62 KA. , Rated short time current for 3 sec - 26.3 KA , Operating duty - 0 - 0.3 sec - CO 3 min - CO , Power frequency withstand voltage - 28 KV , Impulse withstand voltage - 75 KV , Busbar rating - 120% of continuous current., Operation: Spring closing mechanism - DC motor operated with 24 volt supply , Breaker Closing - Manual & Electrical through TNC switch., Shunt Trip coil - 24 V DC, Safety Interlock Locking faciality - Required., Breaker panel indication - ON (Red) OFF (Green) Accessories: Mechanical counter, Space Heater with Thermostat, Fuse and ON/OFF Switch, Aux relays for remote trip/indication for PC interface etc, cubicle illumination lamp LED 9 watt retrofit type 230 V AC, T-N Switch, Anti pumping contractor etc. In addition to the above all standard fittings to be provided as per IS norms Mimic Diagram: An operating mimic diagram shall be provided on the front side of each cubicle. Note: - Circuit breaker complete will be obtained directly from the OEM and not from the authorised system assemblers of OEM. The installations, calibration and testing of SF-6 circuit breakers will be conducted in the presence of authorised representative of OEM by the Contractor. Battery bank with charger for RMU is included in the item rate and rating of battery as described by OEM.

TRANSFORMERS:- Transformers 630 KVA copper wounded dry rasin cast distribution type 11 KV/433V, 3 phase, 4 wire LT output, 50 Hz, AN, Dyn11, suitable for indoor installation, with offload tap changer with steps ±2.5% up to ±7.5% on HT side all technical specification comprising to IS 2016-1981, with all necessary standard fittings and accessories complete after necessary testing after completion with the following specifications: - Standard KVA rating: - 630 KVA, Primar Voltage: - 11 KV AC, Secondar Voltage: - 433 V AC, Neutral earthing should be solidly earth system, Frequency: - 50 Hz with ±3% tolerance, Vector Group: - DYn11, Insulation - Class F, Percentage impedance: - 5% at 75º C (subject to IS tolerance) Average temperature rise shall not exceed to 65deg C and max temperature rise of the windings shall not exceed to 115 º C. HV and LV coils should be with electrolytic copper windings, with "C" class grade insulation on HV windings and necessary spacers and air duct for cooling. The losses at the rated voltage should be within the specified limit as per ECBC standard and IS-2026 The transformer enclosure should be with robust construction and shall be built of electrical welded MS sheet wire mesh or perforated sheet for ventilation, with lifting lugs, pulling lugs, top cover fixing bolts, rollers and enclosure base channels. The necessary HT and LT bushing as per IS 3347 and amended up to date HT & LT terminals for cable connection shall be brought through side wall mounted bushing to a cable box with necessary cable entry and glands fixed on both sides. Transformer should have necessary terminal marking plates and rating plates. In addition to the above all standard fittings to be provided as per IS norms

INTER CONNECTION AND EARTHINGS:- The necessary inter connection between HT switchgear and Transformer using 1CX3RX95 Sq. mm XLPE insulated single core Al conductor unarmoured cable and interconnection between Transformer & LT switchgear using Aluminium Busbars of suitable sizes as per the current ratings. Internal body Earthing connections for all the HT &LT compartment as per IE rules including Transformer Neutral by using 50x60 mm GI Strips. Note -The foundation for installations of CSS shall be as per the OEM design and directions. The erection and installation of compact substation shall be done under the supervision of manufacturer authorized rep only.

M&L for taking out old cable of any size from trenches, GI pipe protection, with and including separating serviceable bricks & set aside and removing un-serviceable bricks from site, complete all as specified and as directed by Engineer-in-Charge. Note : (i) The Excavation and earth work shall be mesured and paid separately under relevant item of Sch).

Supply, laying, jointing & testing in trenches or passing through pipe, 11000 volts grade (Earthed), XLPE insulated PVC bedded, galvanized steel strip or wire armoured HT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area of size 3 core 95 sqmm with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc., complete all as specified and as directed by Engineer-in-Charge.

Relaying only HT cable of any type retreived from respective item, after rectifing defects, complete all as specified and as directed by Engineer-in-Charge. NOTE: (i) Earth work & Excavation, GI pipe brick protection etc shall be measured and paid separately under relevant items of this schedule.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 120 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 50 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 70 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 95 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 185 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 240 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 400 sqmm 3.5 core with and including all fixing & connecting accessories such as Alluminium cable lugs, cable gland, nut, bolts, washer etc, complete all as specified and as directed by Engineer-in-Charge.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5 m in depth and getting out for taking up / laying under ground electric cable/errection of pole etc n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n exc 25 cm complete all as per specified and as directed by Engineer-in-charge.

Removing excavated material not exc. 50 m & depositing where directed at a level not exc. 1.5 m above starting point complete all as per specified and as directed by Engineer-in-charge.

Laying only old serviceable bricks for protection of LT UG cable etc.obtained from respective item, complete all as specified and as directed by Engineer-in-Charge.

M&L for sand cushioning (dry) in trenches for protection of UG cables (below, above and around the cable laid in trenches) of 150mm spreding thickness and consolidated (punned) upto 80mm thickness, complete all as specified and as directed by Engineer-in-charge

Supplying and Laying of Reinforced Precast Concrete Cable Cover, class HVP, type – 1, flat size 300 mm x 180 mm x 40 mm, complete all as specified and as directed by Engineer-in-Charge.

M&L 80 mm bore/tubes, 'light grad', galvanised iron, with all fitting ISI marked for protection of cable including necessary joints laid in trenches, complete all as specified and as directed by Engineer-in-Charge.

M&L 100 mm bore/tubes, 'light grad', galvanised iron, with all fitting ISI marked for protection of cable including necessary joints laid in trenches, complete all as specified and as directed by Engineer-in-Charge.

M & L for horizontal boring across the existing road without disturbing the road surface for inserting 80 to 100 mm bore GI pipe, complete all as specified and as directed by Engineer-in-Charge. ( Note :- GI pipe will be measured and paid respective item of sch'A').

Supply & Laying Sub-Class B Bricks old size designation 75, well burnt, laid breadth wise along the length of cable laid in trenches over sand cushion laid for UG cable protection, complete all as specified and as directed by Engineer-in-charge.

Supply and installtion (above ground) including testing 11 KV HT jointing box 3 way outdoor type of size 1700 x 1200 x 1000 mm (overall) made out of 3.15 mm thick CRCA sheet with support of angle iron frame of size 40 x 40 x 6 mm with KIOSK BOX and comprising of 03 Nos HT porcelain bushing and copper round bus bar 12 mm dia rigidly mounted on bakelite sheet 12 mm thick to support insulators of suitable size and shape including providing necessary electric connection and applied two coats of synthetic enamel paint over a coat of red oxide primer to steel surfaces (internally & externally) including PCC foundation base of size 1700 mm x 400 mm x 1400 mm height (700 mm above GL & 500 mm below GL) with PCC 1:3:6 type C1 usisng 20 mm graded aggregate complete including necessary excavation and earth work for foundation and necessary electric connection including dismantling of unserviceable joint box complete, complete all as specified and as directed by Engineer-in-Charge.

Supply, fixing, jointing and testing Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm, complete all as specified and as directed by Engineer-in-Charge.

Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm XLPE cable with jointing materials and accessories complete including testing after jointing, complete all as specified and as directed by Engineer-in-Charge.

M&L for Earthing complete with Copper earth plate electrode 600x600x3.15 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below the ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to copper earth strip 20x3 mm dia by means of bolts, nuts, check nuts and washers of brass/copper all as shown in electrical plate No 3 of SSR part-I 2009 connected to lightening conductor all as specified and testing on completion including. Necessary excavation, earthwork, PCC works and CI earth pit cover with watering pipe 20mm dia GI pipe medium grade, funnel with wire mesh and lugs and GI pipe 40 mm dia of light grade, for protection of earth strip, complete all as specified and as directed by Engineer-in-Charge. Note: Excavation/PCC/Earth work/Charcoal/ Salt shall be deemed to be include in this unit rate.

Supply and fixing Copper strip of size 20x3.15 mm for earth continuity conductor, complete all as specified and as directed by Engineer-in-Charge.

Supply & fixing in repairs for 32 x 6 mm galvanised iron strip,earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or fixed to poles or roof with saddel and screw current, complete all as specified and as directed by Engineer-in-Charge.

M&L for 50 mm bore steel tubing light grade ISI marked for protection of copper/GI strip/cable including necessary joints all fitting, laid in trenches, complete all as specified and as directed by Engineer-in-Charge.

Excavation in post holes (or similar holes) each n.exc 0.5cum in soft/loose soil and getting out, returning filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm, watering and removing of surplus soil to a distance n.exc 50 meters and making good surface, complete all as per specified and as directed by Engineer-in-charge.

S&F mild steel work in hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165, complete all as specified and as directed by Engineer-in-charge.

M&L for PCC (1:3:6) type C2 ( using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as per specified and as directed by Engineer-in-charge.

S&F framed steel work for framed and hung as gates/consist of MS Angles, channels flat, bars, MS Plates etc conforming to Fe 290 Gde-E-165, complete all as specified and as directed by Engineer-in-Charge.

Supply only chain link MS galvanized fencing, any type or size complete all as speifiec & directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire, complete all as specified and as directed by Engineer-in-Charge.

M&L for Brick work with sub class "B" brick straight or curved on plan exc 6 meter mean radius built in cement mortar (1:6), complete all as specified and as directed by Engineer-in-Charge.

M&L for Plastering 12 mm thick on fair faces of brick work or concrete surface cement mortar (1:4) finished even and smooth without using extra cement, complete all as specified and as directed by Engineer-in-Charge.

M&L 150 mm thick cement concrete (1:2;4) type B2 (40mm graded broken stone aggregate) as in floor of platform over cement concrete,brick work, hard standing laid in bays, finished fair and smooth without using extra cement, complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of moulded case circuit breaker (MCCB) four pole Adjustable type 415 volt, 50 Cycles, 160 Amps of breaking capacity 25 KA,Spreader Terminal including taking down of old unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of moulded case circuit breaker (MCCB) four pole Adjustable type 415 volt, 50 Cycles, 200 Amps of breaking capacity 25 KA ,Spreader Terminal including taking down of old unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of moulded case circuit breaker (MCCB) four pole Adjustable type 415 volt, 50 Cycles, 250 Amps of breaking capacity 36 KA ,Spreader Terminal including taking down of old unserviceable one complete all as specified and as directed by Engineer-in-Charge.

M&L for precast cable route indicator of size 100x30x10 Cms by using 20 mm graded aggregate type B1 1;2;4 for cable indicator and engraving as "HT CABLE" slightly round from one side incl Red painting with two coat of synthetci enamel paint of a coat of primer, complete all as specified and as directed by Engineer-in-Charge.

Supply & fixing danger notice board / plate of size 20 cm x 15 cm, made out of 1.6 mm thickness mild sheet, vitreous enamelled white letters, figure and conventional skull and bones in Red colour and fixed with nuts and bolts for 11000 volts current, complete all as specified and as directed by Engineer-in-Charge.

M&L for Earthing complete with galvanised steel earth plate electrode 600x600x6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below the ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or of steel all as shown in electrical plate No 3 of SSR part-I 2009 connected to pole/LT Panel all as specified and testing on completion including. Necessary excavation, earthwork, PCC works and CI earth pit cover with watering pipe 20mm dia GI pipe medium grade, funnel with wire mesh and lugs and GI pipe 40 mm dia of light grade, for protection of earth strip, complete all as specified and as directed by Engineer-in-Charge. Note: Excavation/PCC/Earth work/Charcoal/ Salt shall be deemed to be include in this unit rate.

M&L for concealed type wiring for one 3 pin socket outlet, 15/16 Amps independent board, with cables 4 sqmm size (Nominal area) PVC insulated, unsheathed, stranded copper, conductor cable (1100Volts grade) FRLS, ISI marked, drawn in and including rigid PVC conduits ,20/25 mm dia all as directed with all fittings and accessories alongwith PVC insulated cable with solid copper conductor of size 4.00 Sqmm as earth continuity conductor including fixing of 1. 2mm thick MS sunk terminal box duly flushed to wall with 3mm thick plastic laminated/ebonite sheet cover fixed with brass screws,cap and washers incl. making good the disturbed surfaces, complete all as specified and as directed by Engineer-in-Charge. ( Note :- The rates for concealed type wiring shall deemed to include the cost of cutting chases in he wall using elect cutter and making good the disturbed surfaes of wall by providing cement plaster 1:4 and matching the surfaces by white wash/ color wash all as per existing finishes complete.)

M&L for concealed sub main wiring with 3 run of 4.00 sqmm (nominal cross-sectional area) PVC insulated unsheathed single core cable of working voltage 1100 volts grade with stranded copper conductor drawn in PVC rigid non- metallic conduit 20/25mm wiring including Cutting chases, pinning in. making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth, complete all as specified and as directed by Engineer-in-Charge. NOTE : (i) Three run of submain wiring cable alongwith 20/25mm PVC conduit pipe shall be measured as one unit length.

S&F of socket outlet 2 in 1, 5 Pin 5/15 Amp multipurpose 230 volt flush type, complete all as specified and as directed by Engineer-in-Charge.

S&F switch piano flush type 15/16 amps single pole one way complete all as specified and directed.

S&F in repair MCB SP 240 Volts 6 to 32 Amps, rating 10KA 'C' curve current carrying capacity in the MCB DB complete with connection testing and commissioning, complete all as specified and as directed by Engineer-in-Charge.

S&F MCB SPN 240 Volts 32 Amps, rating 10KA 'C' curve current carrying capacity in the MCB DB complete with connection testing and commissioning, complete all as specified and as directed by Engineer-in-Charge.

Supply and fix sheet metal enclosure powder painted for MCB SPN 2 way single door DB with din rail and suitable bus bar complete all as specified and as directed by Engineer-in-charge.

Supply and fix electric water heater, storage type, ABS plastic body with steel inner tank with fero-glass coating and heating element up to 2 KW, capacity 25 litre, BEE 5 Star rated complete with all accessories such as safety valve, thermostat, NRV, connection pipes, connection plug, hanging accessories with 6-inch expansion anchor bolt etc. and as specified and directed by the engineer-in-charge.

M&L for GI water tubing medium grade 15 mm dia with all fitting and fixed complete to walls and ceilings or laid in floors including cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 for concealed water tubing etc., and making good, cutting not exc 10 cm girth, complete all as specified and as directed by Engineer-in-Charge.

S&F 15 mm angle valve cast copper alloy, fancy type with chromium plated for iron pipe or for unions complete all as per specified and as directed by Engineer-in-charge.

M&L 15 mm dia fancy type bib taps, cast copper alloy with butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed, complete all as specified and as directed by Engineer-in-Charge. Note - The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.

Sant Construction Co.

GEPS PROJECTS

PURBANCHAL BUILDERS

M/S R. K. INDUSTRIES