UPGRADATION OF EM INFRASTRUCTURE AT AFS PATHANKOT

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density). A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No.Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 4 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

Blank

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 4 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 3 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 4 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 4 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 4 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 3 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 2 No. (Make - ABB / Siemens / Schneider)

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, 21KA for 3sec, SF6 insulated, Manual, Outdoor, Right side extensible RMU, type tested in line with latest IEC standards. The RMU should operate at -5 to +40 degree ambient temperature without any derating. The switchgear and busbar shall all be contained in a stainless steel enclosure filled with SF6 at 0.3 bar (300 hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degrees of protection of IP67 . The switchgear operating mechanism shall have an IP2X protection and cable chamber shall have IP55. The outer enclosure should be IP 55 type tested, should be powder coated with pure polyester based paint , suitable for the site installation condition. Outer enclosure should be a integrated one and indoor RMU placed inside outdoor canopy is not acceptable. Accidental overpressure due to an internal arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in front, lateral and rear (A-FLR 21kA – 1sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard during an internal fault will not be exposed to the effects of arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU. Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle should only require 450mm to handle and the gap between the coupled RMU’s must be within 10mm. All operations shall be from front of the RMU, including access to cable bushings. Cable bushings along the sides or the rear of the RMU are not acceptable. Main Bus bar shall be Copper with min 400 sq.mm. cross section (i.e., not more than 1.6A/sq.mm. current density).A. Load Break Switch (LBS) as Incomer each comprising of the following:- 11 KV, 630A, 21KA for 3sec Manual Load break switch; with built in line side manual earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). LBS shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. For earth switch, manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. LBS and earth switch shall have a min of 1000 (M1) mechanical operations , and 5 nos closing operations at rated SC current. LBS should have 100 electrical operations at rated current - 2 No. Note:-Position indicator through clear front mimic in line with IEC 62271-103; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases. VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable; Mechanical operation counter; Right angle cable boots as per actual cable size.

B. Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 400A, 21KA for 3sec Manual VCB with spring assisted mechanism and series trip coil; with built in manual line side three position disconnector cum earth switch. Earthing should be completed within 2 operations only (i.e 1. Main switch - OFF, 2. Earth switch - ON). Vaccuum interrupter should be of same make as that of RMU. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. Circit breaker shall have a min of 2000 mechanical and 2000 electrical operations at rated current and 50 nos of operations at rated short circuit current. Disconnector and earthswitch shall have a min of 1000 (M1) mechanical operations. The earthing switch shall be fitted with its own operating mechanism and manual closing shall be driven by a fast-acting mechanism, independent of operator action. Breaker shall have breaking capacity of 21 kArms fault current.Position indicator through clear front mimic in line with IEC 62271-103; Self powered relay with O/C , E/F protection. Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records with time stamp, min 2 setting group and keypad for setting parameters for the relay. Relay should be of same make as that of RMU; Suitable ratio CT 30-60/1 A, Class 10P5-5P10 2.5VA for protection; Live cable indicator with indications (Voltage Presence Indicator) at the front and three inlets provision to check the synchronization of phases.VPI should be of same make as that of RMU; Cable box with termination bushing suitable for upto 1 RUN 3Cx300 Sq mm, XLPE cable ; Right angle cable boots as per actual cable size; Mechanical operation counter; Emergency trip push button; Manometer without remote contact - 1 No. (Make - ABB / Siemens / Schneider)

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm including PCC pole 4 feet for cable route every 250 mtr complete all as specified and directed .

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sq mm including PCC pole 4 feet for cable route every 250 mtr complete all as specified and directed .

Excavation in trenches in any type of soil not exceeding 1.5 metre deep and not exceeding 1.5mtr width and getting out soil including forming bottom surface to required slope/gradient for laying cables/pipes etc. All as specified and directed

Returning, filling in including spreading, leveling, watering and well ramming in layers of 25 cm thick after the cables etc. are laid, jointed and tested complete all as specified and directed .

Removal of surplus excavated spoil not exceeding 50 Mtr distance and depositing where directed by Engineer-in-Charge at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Supply and laying un-reinforced pre cast concrete cable cover conforming to IS:5820 with minimum average breaking load capacity 300 kgs for unreinforced covers, class HV Type 1, flat, size 300mm x 180mm x 40mm complete all as specified and directed .

M&L for Sand cushioning to underground cables providing a layer of 8cm thick before laying the cable and 15cm thick after laying,stretching and testing the cable complete all as specified. (Note:-(i)River send will be used only (ii) punned thickness shall be measured )

Supply and provide tubes GI medium grade with all fittings laid in trenches and fixed on poles of size 150mm dia for Cable protection complete all as specified and directed.

Supply and provide tubes GI medium grade with all fittings laid in trenches and fixed on poles of size 100mm dia for Cable protection complete all as specified and directed.

Supply and fix Sign boards for earthing made MS sheet 1.2mm thick , size not less then 2x2 feet fixed on 20mm dia iron bar .5 meter length and duly painted and writing the value's of Earthing measured at site complete all as directed by Engg-in-charge .

M&L for Earthing complete with galvanised steel earth plate electrode 600x600x6mm burried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6mm size by means of bolts ,nuts,check nuts and washers of galvanised iron and 32x6mm GI strip procted by provision of GI light grade pipe 40 mm bore incl provision of concrete pit in PCC1:2:4 type B-i , using 20 mm graded stone aggregates with 40 mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg /Sqm and 6mm dia bar handle ,excavation and earth work in any type of soil ,charcoal dust and salt light grade GI watering pipe 20 mm bore with funnel and wire mashand medium grade GI protection pipe 15mm bore 5 Mtr long and GI strip upto main earthing of pole complete all as shown in electrical plate No 5 of MES Sch 191 Part-I all as specified and directed . Note:- On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department .

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 sqmm complete all as specified and directed

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm complete all as specified and directed

Material and labour for cable jointing kit for 11 kv grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured alumimnium cable of size 95 to 185 Sqmm complete all as specified and directed

Material and labour for danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled white,with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nuts of approved size 25x20cm for HT complete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 10 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m

M&L for platform for HT bus bar/ panel of size minimum 2.5m x 2.5m and 0.8 m height from ground level with brick masonry wall in cement mortar 1:4 including excavation , PCC 1:2:4 type B-2, 100 mm thick floor and 40 mm thick PCC 1:2:4 typr B-1 on top including steps to the gate , XPM Jali of weight not less than 4 Kg per Sqm all around with gate, incl 40mm x 40mm x 6mm angle 1.2 m long, 15 mm thick plaster in CM 1:4 to brick masonry with two coats of cement base paint complete all as specified & directed.

M&L for PCC 1:3:6 type C-2 using 40mm graded stone aggregate for foundation of poles / stays etc complete all as specified

M&L for PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate as in coping including necessary form work finishing the cement concrete surfaces even & smooth using extra cement complete all as specified.

M&L for PCC 1:4:8 type B-2 using 40 mm graded crushed stone aggregate as in floor including necessary form work finishing the cement concrete surfaces complete all as specified.

M&L for providing and fixing 0.56 mm thick aluminium alloy colour coated roofing sheets of alloy IS designation 31500, temper H*8 conforming to IS 737 and dimension as per IS Code 2676 with characteristics of good formability and corrosion resistance and troughed profile with center to center pitch of 200 mm, depth of 32 mm, overall profile width 1092 mm, cover width 1000mm at all heights, levels and locations. The profile sheets shall be fixed to truss members in slope or required pitch or curvature with Hex cap headed self drilling/ tapping stainless steel screws M6, 60 mm long with 3 mm EPDM seal washer etc, all inclusive of labour, scaffolding, T&P and sundries etc complete all as spd and directed.

M&L for MS work as in framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to beprepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all as spd and directed.

M&L for providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete complete all as spd and directed.

M&L for providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand with complete all as specified and directed .

Labour and tool kit for removing the existing cable from panel/GOD/2 pole structure /4 pole structure without any damage and re-fix the old cables in new VCB/LBS Panel with proper protection items as per direction given by Engg-in-charge.

Providing and fixing PVC Sheet 4mm thick for covering the open space when installing the panels in some location and used at site where required as per direction given by Engg-in -charge

M&L for dismantling from insulators and taking down ACSR conductor any size from HT over head line complete all as specifired and directed.

M&L for dismantling and taking down insulators any type/size complete all as spd and directed.

M&L for dismantling and taking out earth continuty conductor (GI wire) any type/size complete all as spf and directed.

M&L for dismantling and taking out cross arms any type/size complete all as spd and directed.

M&L for dismantling and taking out PCC/steel pole any type/size complete all as spd and directed.

M&L for dismantling and taking out GOD switch any type/size complete all as spd and directed.

NOTE: Amount against schedule of credit of Rs 2,36,820.00 for retrieved materials mentioned under Sch of credit of tender document in PDF form will be deducted offline/ manually from overall amount quoted by the lowest bonafide during acceptance of tender

Please Enable Macros to View BoQ information