SPECIAL REPAIR TO REPLACEMENT OF HIGH TENSION (HT) OVER HEAD LINE INTO UNDERGROUND CABLE AT JAT COLONY AREA, 43 ARMOURED BRIGADE AREA AND REPLACEMENT OF TWO/FOUR POLE STRUCTURE WITH RING MAIN UNIT (RMU) UNDER GE (S) PATIALA

Dismantling of existing old burn out/broken ACSR conductor of any size and type complete all as directed by Engineer-in-charge.

Dismantling PCC poles/Struts, any size complete all as directed by Engineer-in-charge.

Dismantling cross-arms of MS channel or angle sections etc. complete and setting side complete all as directed by Engineer-in-charge.

Dismantling of insulator of any size, and type complete all as directed by Engineer-in-charge.

Supply and laying jointing and testing XLPE insulated screened PVC bedded galvanized steel strips armoured electric power cable (heavy duty) with aluminium conductor HT grade 11000 volts grade and cross section area 185 sqmm 3 core conforming to latest IS and ISI marked laid in trenches complete all as specified and as directed by Engineer-in-charge.Note:- Excavation, earth work,sand cushnioning,PCC cable cover shall be measured and paid under appropriate items of this BOQ.

Supply and laying jointing and testing XLPE insulated screened PVC bedded galvanized steel strips armoured electric power cable (heavy duty) with aluminium conductor HT grade 11000 volts grade and cross section area 120 sqmm 3 core conforming to latest IS and ISI marked laid in trenches complete all as specified and as directed by Engineer-in-charge.Note:- Excavation, earth work,sand cushnioning,PCC cable cover shall be measured and paid under appropriate items of this BOQ.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation of poles, struts, stays, laying of pipes and cable etc not exceeding 10 Sqm on plan as in soft/loose soil and getting out, excavated earth, forming bottom surfaces to required level complete all as specified and as directed by Engineer-in-charge.

Returning, filling in soil including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by Engineer-in-charge.

Removing surplus soil to a distance not exceeding 50 meter and depositing where directed at a level not exc. 1.5 meter above the starting point complete all as specified and as directed by Engineer-in-charge.

Supply and laying fine dry river sand in layers of sand 8 cm before lying of cable and 15 cm after lying of cable (total 23 cm) in trenches for cushnioning to cable for protection of cable complete all as specified and as directed by Engineer-in-charge.Note:- only punned depth shall be measured for payment

Supply and laying unreinforced precast concrete cable cover, class HVP, type- 1 with peak, size 300mmx180mmx40mm laid flat adjacent and abutting to each other across the length of cable laid dry complete all as specified and as directed by Engineer-in-charge.

Supply and laying mild steel galvanized pipe 150 mm bore light grade in trenches / road / nallah or fixed along wall/ pole including mild steel clamps, screws etc complete all as specified and as directed by Engineer-in-charge.

Supply and fixing/laying galvanized 100 mm bore light grade pipe in trenches / road / nallah or fixed along wall/ pole including mild steel clamps, screws etc, complete all as specified and as directed by Engineer-in-Charge

Material and labour forboring a holes for passing 150 mm bore HDPE pipe under road, Pavement, hard standing by trencheless technologh using ultra sound technique including HDPE pipe of 150 mm bore dia for drawing through HT UG cables complete all as specified and as directed by Engineer-in-Charge

Material and labour for cable jointing kit 11 KV (earthed) grade cable for straight through termination (Heat shrinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 -185sqmm complete all as specified and as directed by Engineer-in-Charge

Material and labour for cable jointing kit 11 KV (earthed) grade cable for Out door Termination (heat shrinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120Sqmm to 185 Sqmm complete all as specified and as directed by Engineer-in-Charge

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for indoor Terminal with long sleeves (Heat shinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm complete all as specified and directed.

Material and labour for earthing complete with galvanized steel plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground vertically in pit of size 900 x 900cm depth not less than 4.0 metre below normal ground level with top edge of the earth plate at a depth not less than 3.4 metre below normal ground level and covered surrounded from all sides with mixture of charcoal and common salt in alternate layers (each layer of 0.23 cu. m) upto 15cm above top of plate and electrode connected to galvanized iron strip 32 x 6 mm size by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of soil, 20 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., complete all as specified. NOTE:- The unit rate includes earth strip and protection pipe upto maximum 7.5 metre from earth plate, earth point/test point and chamber shall be made 0.5 mtr away from the earthing pit.

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Motorized, Outoor, one side 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. Over all IP protection shall be IP55. 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. 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 and Including PCC work and Plateform shall be constructed as per OEM drawing complete all as speicified and directed by Engr-in-Charge. Make: Schneider/ABB/Simens/EATON * 11kV, 3Way Ring Main Units (1no. LBS as incomer+2Nos VCB as Outgoing) * Each of the above Ring Main Unit shall comprise of the followings:

(A). Load Break Switch (LBS) each comprising of the following: 11 KV, 630A, STC 25KA for 1sec Motorized Load break switch; with built in line side manual earth switch. Earthing hould 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- 01 No * Position indicator through clear front mimic in line with IEC 62271-103- 01 No *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- 01 No. *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- 01 No *Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable- 01 No * 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. - 01 No * Cable Boots suitable for actual cable size - 01 No *Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC *Mechanical operation counter- 01 No.

(B). Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 630A, 25KA for 1sec Motorized 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. - 01 No * Position indicator through clear front mimic in line with IEC 62271-103- 01 No *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 - 01 No *Suitable CT ratio **/1 A, Class 1 / 5P10 , 2.5VA for protection- 01 Set *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- 01 No *Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit- 01 Set * Cable Boots suitable for actual cable size - 01 No *Mechanical operation counter - 01 NO *Emergency trip push button - 01 NO

(C). Accessories : - * Antireflex operating handle- 01 NO * Manometer with remote contact - 01 No * Battery 24V DC and Battery Charger - 01 No

Design, Supply, Erection, Testing and Commissioning of 11 KV, 630A, STC 25KA for 1sec, SF6 insulated, Motorized, Outoor, one side 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. Over all IP protection shall be IP55. 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 4 way / 4 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, Including PCC work and Plateform shall be constructed as per OEM drawing complete all as specified and directed. Make: Schneider/ABB/Simens/EATON * 11kV, 4Way Ring Main Units (1no. LBS as incomer+3nos. VCB as Outgoing) . * Each of the above ring Main Unit shall comprise of the followings:-

(A). Load Break Switch (LBS) each comprising of the following:11 KV, 630A, STC 25KA for 1sec Motorized 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. * 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 *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. *Cable Boots suitable for actual cable size *Auxilary switch : LBS - 2 NO +2 NC, Earth switch - 1 NO + 1 NC *Mechanical operation counter

(B). Vacuum circuit breaker (VCB) each comprising of the following: 11 KV, 630A, 25KA for 1sec Motorized 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.- 01 No * Position indicator through clear front mimic in line with IEC 62271-103 - 01 No * 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 - 01 No * Suitable CT ratio 200-100/1 A, Class 1 / 5P10 , 2.5VA for protection . - 01 Set * 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 - 01 No * Cable box with termination bushing suitable for upto 2 RUN 3Cx300 Sq mm, XLPE cable.including suiatable touch proof termination kit - 01 Set * Cable Boots suitable for actual cable size - 01 Set * Mechanical operation counter - 01 No * Emergency trip push button.

(C). Accessories :- * Antireflex operating handle - 01 No * Manometer with remote contact - 01 No * Battery 24V DC and Battery Charger - 01 No

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