PROVISION OF RING MAIN HT SUPPLY AT YOL MILITARY STATION

Supply, laying, jointing and testing cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with stranded aluminium conductor HT 11 KV (earthed) grade system as per IS 7098 (Part-2) 2011 as amended with stranded aluminium conductor of cross sectional area 95 Sqmm, 3 core, laid in trenches/on wall/Air/pole in duct/through pipe of complete all as specified and as directed.(Note: Excavation and earthwork, sand cushioning, covers and pipe shall be measured and paid separately).

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Manual, Outdoor, Non-extensible RMU , type tested in line with latest IEC standards. The RMU shall be suitable for operations at a height up to 1000 meters above sea level and at 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 IP3X. 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 (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 AFL R21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU, min. 40 nos. of dead short circuit operation at full load. 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. 11kV, 3 Way (02 nos. incomer LBS+ 01nos. Outgoing VCB) Ring Main Units

Each of the above Ring Main Unit shall comprise of the followings: A) Load Break Switch (LBS) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable. v) Fault passage indicator (FPI) with in-built Overcurrent, Short Circuit and earth fault indication FPI should have external indication. FPI should act as communicable ammeter as it shall support sharing load data with FRTU. FPI should be of same make as that of RMU. vi) Cable Boots suitable for actual cable size. vii) Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC. viii) Mechanical operation counter. ix) Multi Function Meter should be there in each incomer LBS.

B) Vacuum circuit breaker (VCB) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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 40 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Suitable CT ratio 100/1 A, Class 1 / 5P10 , 2.5VA for protection.

v) 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. vi) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit. vii) Cable Boots suitable for actual cable size. viii) Mechanical operation counter. ix) Emergency trip push button. Notes:- a). The RMU shall be tested as type test, routine test as per IS in presence of GE/ his rep. b). The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order for RMU testing in factory. RMU shall be dispatched only after inspection clearance by inspecting officer. c). The contractor shall get prior approval of GE for the make of the RMU they plan to procure. d). Prior to manufacture, the general arrangement drawing design details of the RMU shall be got approval from GE. e). Commissioning test as required will be conducted at work site and inspected by rep deputed by the Accepting Officer.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Manual, Outdoor, Non-extensible RMU , type tested in line with latest IEC standards. The RMU shall be suitable for operations at a height up to 1000 meters above sea level and at 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 IP3X. 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 (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 AFL R21 kA for 1 sec for both tank & cable box should have been for minimum 3 way / 3 Function RMU, min. 40 nos. of dead short circuit operation at full load. 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. 11kV, 4 Way (02 nos. incomer LBS+ 02nos. Outgoing VCB) Ring Main Units. Each of the above Ring Main Unit shall comprise of the followings:

A) Load Break Switch (LBS) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable. v) Fault passage indicator (FPI) with in-built Overcurrent, Short Circuit and earth fault indication FPI should have external indication. FPI should act as communicable ammeter as it shall support sharing load data with FRTU. vi) FPI should be of same make as that of RMU. vii) Cable Boots suitable for actual cable size. viii) Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC. ix) Mechanical operation counter. x) Multi Function Meter should be there in each incomer LBS.

B) Vacuum circuit breaker (VCB) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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 40 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Suitable CT ratio 100/1 A, Class 1 / 5P10 , 2.5VA for protection. v) 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.

vi) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit. vii) Cable Boots suitable for actual cable size. viii) Mechanical operation counter. xi) Emergency trip push button Notes:- a) The RMU shall be tested as type test, routine test as per IS in presence of GE/ his rep. b) The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order for RMU testing in factory. RMU shall be dispatched only after inspection clearance by inspecting officer. c) The contractor shall get prior approval of GE for the make of the RMU they plan to procure. d) Prior to manufacture, the general arrangement drawing design details of the RMU shall be got approval from GE. e) Commissioning test as required will be conducted at work site and inspected by rep deputed by the Accepting Officer.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Manual, Outdoor, Non-extensible RMU , type tested in line with latest IEC standards. The RMU shall be suitable for operations at a height up to 1000 meters above sea level and at 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 IP3X. 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 (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 AFL R21 kA for 1 sec for both tank & cable box should have been for minimum 5 way RMU, min. 40 nos. of dead short circuit operation at full load. 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. 11kV, 5 Way (02 nos. incomer LBS+ 03 nos. Outgoing VCB) Ring Main Units. Each of the above Ring Main Unit shall comprise of the followings:

A) Load Break Switch (LBS) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable. v) Fault passage indicator (FPI) with in-built Overcurrent, Short Circuit and earth fault indication FPI should have external indication. vi) FPI should act as communicable ammeter as it shall support sharing load data with FRTU. FPI should be of same make as that of RMU. vii) Cable Boots suitable for actual cable size. viii) Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC. ix) Mechanical operation counter. x) Multi Function Meter should be there in each incomer LBS

B) Vacuum circuit breaker (VCB) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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 40 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Suitable CT ratio 100/1 A, Class 1 / 5P10 , 2.5VA for protection. v) 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

vi) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit. vii) Cable Boots suitable for actual cable size. viii) Mechanical operation counter. ix) Emergency trip push button. Notes:- a) The RMU shall be tested as type test, routine test as per IS in presence of GE/ his rep. b) The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order for RMU testing in factory. RMU shall be dispatched only after inspection clearance by inspecting officer. c) The contractor shall get prior approval of GE for the make of the RMU they plan to procure. d) Prior to manufacture, the general arrangement drawing design details of the RMU shall be got approval from GE. e) Commissioning test as required will be conducted at work site and inspected by rep deputed by the Accepting Officer.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Manual, Outdoor, Non-extensible RMU , type tested in line with latest IEC standards. The RMU shall be suitable for operations at a height up to 1000 meters above sea level and at 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 IP3X. 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 (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 AFL R21 kA for 1 sec for both tank & cable box should have been for minimum 7 way RMU, min. 40 nos. of dead short circuit operation at full load. 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. 11kV, 7 Way (02 nos. incomer LBS+ 05 nos. Outgoing VCB) Ring Main Units. Each of the above Ring Main Unit shall comprise of the followings:

A) Load Break Switch (LBS) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable. v) Fault passage indicator (FPI) with in-built Overcurrent, Short Circuit and earth fault indication FPI should have external indication. vi) FPI should act as communicable ammeter as it shall support sharing load data with FRTU. FPI should be of same make as that of RMU. vii) Cable Boots suitable for actual cable size. viii) Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC. ix) Mechanical operation counter. x) Multi Function Meter should be there in each incomer LBS.

A) Vacuum circuit breaker (VCB) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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 40 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Suitable CT ratio 100/1 A, Class 1 / 5P10 , 2.5VA for protection. v) 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. vi) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit.

vii) Cable Boots suitable for actual cable size. viii) Mechanical operation counter. ix) Emergency trip push button. Notes:- a) The RMU shall be tested as type test, routine test as per IS in presence of GE/ his rep. b) The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order for RMU testing in factory. RMU shall be dispatched only after inspection clearance by inspecting officer. c) The contractor shall get prior approval of GE for the make of the RMU they plan to procure. d) Prior to manufacture, the general arrangement drawing design details of the RMU shall be got approval from GE. e) Commissioning test as required will be conducted at work site and inspected by rep deputed by the Accepting Officer.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Manual, Outdoor, Non-extensible RMU , type tested in line with latest IEC standards. The RMU shall be suitable for operations at a height up to 1000 meters above sea level and at 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 IP3X. 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 (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 AFL R21 kA for 1 sec for both tank & cable box should have been for minimum 6 way RMU, min. 40 nos. of dead short circuit operation at full load. 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. 11kV, 6 Way (02 nos. incomer LBS+ 04 nos. Outgoing VCB) Ring Main Units. Each of the above Ring Main Unit shall comprise of the followings:

A) Load Break Switch (LBS) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable. v) Fault passage indicator (FPI) with in-built Overcurrent, Short Circuit and earth fault indication FPI should have external indication. vi) FPI should act as communicable ammeter as it shall support sharing load data with FRTU. FPI should be of same make as that of RMU. vii) Cable Boots suitable for actual cable size. viii) Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC. ix) Mechanical operation counter. x) Multi Function Meter should be there in each incomer LBS

B) Vacuum circuit breaker (VCB) each comprising of the following: i) 11 KV, 630A, STC 25KA for 1sec 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 40 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. ii) Position indicator through clear front mimic in line with IEC 62271-103. iii) 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. iv) Suitable CT ratio 100/1 A, Class 1 / 5P10 , 2.5VA for protection. v) 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. vi) Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit.

vii) Cable Boots suitable for actual cable size. viii) Mechanical operation counter. ix) Emergency trip push button. Notes:- a) The RMU shall be tested as type test, routine test as per IS in presence of GE/ his rep. b). The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order for RMU testing in factory. RMU shall be dispatched only after inspection clearance by inspecting officer. c) The contractor shall get prior approval of GE for the make of the RMU they plan to procure. d) Prior to manufacture, the general arrangement drawing design details of the RMU shall be got approval from GE. e) Commissioning test as required will be conducted at work site and inspected by rep deputed by the Accepting Officer.

Excavation in trenches in hard and dense soil, n exc 1.5 m wide and n exc 1.5 m in depth and getting out including trimming of sides , for laying of cables and foundation of poles,stay assembly and complete all as specified and directed.

Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Returing filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mm x 180mm x 40mm as spceified and directed by Engr-in-charge

Material and labour for sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable all as directed. ( Only punned thickness shall be measured)

Material and labour in replacement for GI tubing light grade 80 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole Including clamps , nuts bolts, washers etc. complete all as specified and directed.

Material and labour in replacement for GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole Including clamps , nuts bolts, washers etc. complete all as specified and directed.

Construction of platform of size 3000 mm x 2500 mm x 1200 mm for installation of Ring Main Unit (RMU) with brick steps on one side, chain link fencing around RMU, fencing should have hinged door and locking arrangements complete all as per Drg No. CEPZ/C-TD/002/13 complete all as specified and directed by Engr-in-Charge.

Supply only Chain link MS hot dip galvanisd fencing, any size or type, complete all as specified.

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

M & L mild steel posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165,complete all as specified and as directed.

Excavation in post holes (or similar holes) each not exc. 0.50 cum, in hard/dense soil and getting out, returning filling in and ramming earth or broken rubble mixed with earth around in layers not exc. 25cm, watering and removal of excavated materials to a distance n. exc. 50m and making good surfaces, complete all as specified & directed.

M & L plain cement concrete, M-7.5 (Nominal Mix) type D-2 (using 40 mm graded crushed stone aggregates) as in foundation, filling and mass concrete etc, complete all as specified and directed .

Material and labour for cable Jointing kit out door, cold shrinkable type suitable for XLPE cable of size 95 sqmm 3 core with working voltage 11000 volts complete all as specified and directed by Engr - in- Charge.

Material and labour for cable Jointing kit in door, cold shrinkable type suitable for XLPE cable of size 95 sqmm 3 core with working voltage 11000 volts complete all as specified and directed by Engr - in- Charge.

Material and labour for cable jointing kit for 11 KV (Earth) grade cable for straight through cold shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm 3 core with working voltage 11000 volts complete all as specified and directed by Engr - in- Charge.

Supply , installation ,testing & commissioning of totally enclosed modular type weldless bolted type outdoor( HT Bus bar panel ) IP55 fabricated out of 3.15 mm thick CRCA sheet dust and vermin proof powder coated including locking arrangement bus bar chamber enclosed complete suitable for operation on 11000 volts 50 Hz AC supply having legs 50 cm made out of 50 mm x 50 mm x 6 mm angle iron grouted on brick earth surface upto 30 cm height. Brick masonary platform should be 60 cm above the ground level comprising the following : (a) 50 x 10 sqmm cross section area conductive electrolyte grade 3 nos copper bus bar of length of 500 Amps with heat shrinkable sleeve duly colour coded. (b) Bakelite insulators having short circuit withstand capacity of 26.3 KA -01(Set of three) Note : (i) The panel should be front operated with cable entry from the bottom with cable glands. The fault withstand capacity shall be 50 KA. Earth bus shall be part of the main HT Bus Bar Panel . (ii) Width of HT Bus Bar Panel shall not be less than the 120 cm. (iii) Cost for construction of platform for panel of brick masonary work in CM 1:6 with foundation 1:4:8 type D2 including plaster work , PCC Coping 1:2:4 (40 cm thick stone aggregate ),Numeric Lock for HT Panel both side deemed to be included in the item rate, No Extra payment will be made.

M & L cable route indicator made out of 2mm thick mild steel of size 20 cm x15 cm duly coated with two coats of black paint over a coat of red oxide primer duly written the size of HTcable in white paint and welded to equal angle of size 30 mm X 30 mm X 3 mm , 45cm long and erected in ground in such a way that it is 15cm above ground level and 30Cm below ground level . The portion below ground level should be embedded in plain cement concrete M-15, type B-1 using 20mm graded crushed stone aggregate of size 15cm x 20cm x 45cm complete all as specified.

Material and Labour for cutting of bituminous road / floor for laying of pipe / cables not exceeding 1.5 meter wide and not exceeding 1.5 meter deep including refilling / with material and , watering well ramming / compacting and making good with PCC 1:2:4 , type B-1, 100 mm thick complete all as specified and directed by Engr-in-Charge.

Supply and fixing of danger notice plate of 1.6 mm thick MS sheet vitreous enamelled white with letters, figures and conventional skull and bones in signal red colour and inclusive fixed with MS flat clamps 25 mm x 3 mm 2 Nos, nuts, bolts for HT 11000 volt of size 25 cm x 20 cm complete all as specified.

Supply and fixing LED Solar street light fitting 36 Watt including galvanized steel pole of length 6 meter in built, lithium ion battery, solar panel, charge controller with dusk down sensor IP 66 , K=5400 complete all as specified. (Excavation & Earth work shall be measured separately)

M&L for earthing complete with GI earth plate 600 mm x 600 mm x 6 mm thick electrode and 32 mm x 6 mm GI strip as earthing lead buried directly in ground (Earth pit not less than 2.25 Mtr deep below ground level) with top edge of the plate not less than 1.5 Mtr below normal ground connected to GI strip earth lead by means of bolts, nuts, check , nuts and washers of galvanised iron or steel all as shown on electrical plate no. 3 including 40 mm dia medium grade GI protection pipe, 20 mm dia GI medium grade watering pipe, funnel, wire mesh , charcoal dust, PCC pit and 50mm thick RCC cover, earth work in any type of soil connected to earthing test point complete all as specified and as directed.