SPECIAL REPAIRS/REPLACEMENT OF EXISTING OLD GANG OPERATING DEVICES MOUNTED ON 4/2 POLE STRUCTURE WITH RING MAIN UNIT/SF6 CIRCUIT BREAKER AND ALLIED WORKS AT DIFFERENT LOC OF 11 KV SUB STN AT CH SAMBHAJINGAR CANTT UNDER GE (S) AHILYANAR

Dismantling of U/S 11 KV Air break gang operated triple pole switches vertical/horigantal including insulators and operating mechanisum complete all as specified and directed .

Dismantling and taking down cross-arms of M.S. channel or angle sections with nuts, bolts, washers etc complete all as specified and directed .

M&L for Dismantling steel poles/ PCC Pole of any size (HT/LT) complete all as specified and directed by Engineer in Charge.

Dismantling insulators any type, any size complete all as specified and directed.

Dismantling of ACSR or AAC conductors complete all as specified and as directed .

Dismantling Lightining arerestor 11 KV of any size complete all as specified and directed.

Dismantling of Earthing any type with GI/Aluminium Strip complete all as specified and directed.

Supply, install, testing, commissioning complete 11KV Ring Main Unit for 4 Nos (01 for incoming and 03 Nos outgoing) breaker of capacity 630 Amps each, outdoor type, copper bus bar of 50x10mm with rupturing capacity of 350MVA and breaking capacity 25 kA with enclosure for mounting. 01 No Load break switch for incoming and 03 Nos outgoing SF6 Circuit Breakers with interlocking arragement as specified in IE Rules & for clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber. SF circuit Breaker shall be front access. rating for single SF6 circuit breaker are as follows:- (Note: Rates shall be inclusive with 01 No Load break switch for incoming and 03 Nos outgoing SF6 Circuit Breakers) Circuit breaker, Rated Current: 630A, closing and Tripping coil: 240V DC, Spring Charging motor : 230V AC, STC:26.3KA for 03 sec BIL: 12/28/75KVP CT Ratio- 200-100/5-5A Core 1 : Burden-10VA, class:1.0 Core 2 : Burden-10VA, class:5P10 STC :25KA for 1Sec BIL: 12/28/75KVP Potential Transformer with 3.15A HT Fuse ( Fixed type) PT Ratio : 11KV/RT3/110/RT3/110/3 Core 1 : Burden-50VA, class:1.0 Core 2 : Burden-50VA, class:3P BIL: 12/28/75KVP V.F 1.2 are continuous & 1.9 for 8hours

Item No 08 Contd/.. Protection Relay (i) 3 over current +1E/F Relay (RS-485 communicable) (ii) Protection 50,51, 50N.51N, 86 (iii) CT Secondary-5A (iv) Mounting : Flush mounting (v) Aux supply : 24V DC in built Master Trip Relay ( Hand Reset Electromechanical type) Protection-86 Mounting-Flush Mounting Aux supply : 24V DC Metering Equipment (Incoming & Outgoing) Digital Multifunction Meter (RS-485-Communicable), Class-1.0, Cut out size 92x92, Aux Supply : 230V AC Digital Voltmeter, Class 1.0,Cut out size 92x92, Aux Supply : 230V AC & 12V DC Accessories TNT Switch, Contacts: 02 NO & 2NC Local Remote Switch, Contacts: 02 NO & 2NC Space heater 100W Thermostat Temperature Range: 30-90, 15A 3 Pin socket for 230 V AC Supply Current 1-A Toggle switch, Push button for Trip circuit Supervision check, Contacts:02 NO

Item No 08 Contd/... TB for CT & PT circuit, Disconnecting type Type KUTSD6 TB for control circuit, Non-Disconnecting type Fuse control circuit, 8 window Annuniciator Aux Voltage :230V AC Hooter, Aux Voltage :230V AC Battery Charger 5A230V AC I/P & 24 V DC O/P Battery 12 V DC, 7AH Indication Lamp Red colour lamp, 24 V DC : For Breaker ON Green colour lamp, 24V DC : For Breaker Off Blue colour lamp, 24 V DC : For Breaker Spring Charge Amber colour lamp, 24 V DC : For Auto Trip White colour lamp, 24 V DC : For Trip Circiut Supervision Red colour lamp, 63.5 V AC : For R Phase Healthy Yellow colour lamp, 63.5 V AC : For Y Phase Healthy Blue colour lamp, 63.5 V AC : For B Phase Healthy Breaker Rack in and out handle Testing Factory Tests shall be carried out in presence of Rep of Accepting Officer as per IEC standard-62271-100

tem No 08 Contd/... Following test reports for 03 Nos SF6 breaker shall be submitted before applying payments:-(i) Insulation resistance test (ii) Operation time test (iii) Contact resistance test (iv) Pre-insertion resistance (PIR) test (If applicable) (v) SF6 gas leak test(vi) High Voltage withstand test (vii) Secondary test to ensure the proper functioning of the live line indicators, fault passage indicators and relay (vii) Mechanical Operation Test Notes for Srl item No 9 to 11:- (i) PCC foundation as per OEM drawing for RMU to be done in this item rate by Contractor. (ii) Factory inspection of RMU shall be carried out by Engineer in Charge, Contractor has to be inform the same in advance to the Dept. (iii) Pre-commissioning Inspection shall be carried out by EI/SEI of HQ CESC, Contractor has to arrange T&P for testing the same. Note:- PCC foundation for RMU as per OEM drawing and specifications shall deemed be included in quoted rate.

Supply, install, testing, commissioning complete 11KV Ring Main Unit for 3 Nos (02 for incoming and 01 Nos outgoing) breaker of capacity 630 Amps each, outdoor type, copper bus bar of 50x10mm with rupturing capacity of 350MVA and breaking capacity of 25 KA with enclosure for mounting. 02 Nos Load Break Switch and 01 Nos SF6 Breakers with interlocking arragement as specified in IE Rules & for clearance, safety and operation inside the enclosure, CPRI approved including cable termination chamber. SF circuit Breaker shall be front access. rating for single SF6 circuit breaker are as follows:- (Note: Rates shall be inclusive with 02 Nos load break switch for incoming and 01 Nos outgoing SF6 Circuit Breakers) Circuit breaker, Rated Current: 630A, closing and Tripping coil: 240V DC, Spring Charging motor : 230V AC, STC:26.3KA for 03 sec BIL: 12/28/75KVP CT Ratio- 200-100/5-5A Core 1 : Burden-10VA, class:1.0 Core 2 : Burden-10VA, class:5P10 STC :25KA for 1Sec BIL: 12/28/75KVP Potential Transformer with 3.15A HT Fuse ( Fixed type) PT Ratio : 11KV/RT3/110/RT3/110/3 Core 1 : Burden-50VA, class:1.0 Core 2 : Burden-50VA, class:3P BIL: 12/28/75KVP V.F 1.2 are continuous & 1.9 for 8hours

Item No 09 Contd/... Protection Relay (i) 3 over current +1E/F Relay (RS-485 communicable) (ii) Protection 50,51, 50N.51N, 86 (iii) CT Secondary-5A(iv) Mounting : Flush mounting (v) Aux supply : 24V DC in built Master Trip Relay ( Hand Reset Electromechanical type) Protection-86 Mounting-Flush Mounting Aux supply : 24V DC Metering Equipment (Incoming & Outgoing) Digital Multifunction Meter (RS-485-Communicable), Class-1.0, Cut out size 92x92, Aux Supply : 230V AC Digital Voltmeter, Class 1.0,Cut out size 92x92, Aux Supply : 230V AC & 12V DCAccessories TNT Switch, Contacts: 02 NO & 2NC Local Remote Switch, Contacts: 02 NO & 2NC Space heater 100W Thermostat Temperature Range: 30-90, 15A 3 Pin socket for 230 V AC Supply Current 1-A Toggle switch, Push button for Trip circuit Supervision check, Contacts:02 NO TB for CT & PT circuit, Disconnecting type Type KUTSD6

Item No 09 Contd/... TB for control circuit, Non-Disconnecting type Fuse control circuit, 8 window Annuniciator Aux Voltage :230V AC Hooter, Aux Voltage :230V AC Battery Charger 5A 230V AC I/P & 24 V DC O/P Battery 12 V DC, 7AH Indication Lamp Red colour lamp, 24 V DC : For Breaker ON Green colour lamp, 24V DC : For Breaker Off Blue colour lamp, 24 V DC : For Breaker Spring Charge Amber colour lamp, 24 V DC : For Auto Trip White colour lamp, 24 V DC : For Trip Circiut Supervision Red colour lamp, 63.5 V AC : For R Phase Healthy Yellow colour lamp, 63.5 V AC : For Y Phase Healthy Blue colour lamp, 63.5 V AC : For B Phase Healthy Breaker Rack in and out handle Testing Factory Tests shall be carried out in presence of Rep of Accepting Officer as per IEC standard-62271-100

Item No 09 Contd/... Following test reports for 01 Nos SF6 breaker shall be submitted before applying payments:- (i) Insulation resistance test (ii) Operation time test (iii) Contact resistance test (iv) Pre-insertion resistance (PIR) test (If applicable) (v) SF6 gas leak test (vi) High Voltage withstand test (vii) Secondary test to ensure the proper functioning of the live line indicators, fault passage indicators and relay (vii) Mechanical Operation Test Note:- PCC foundation for RMU as per OEM drawing and specifications shall deemed be included in quoted rate.

Supply and laying in replacement HT XLPE Insulated, Screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables(Heavy duty with alluminium conductor, 11000 Volts (Earthed) , grade cross sectional area 120 Sqmm 3 Core complete all as specified and directed .

Supply and laying in replacement HT XLPE Insulated, Screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables(Heavy duty with alluminium conductor, 11000 Volts (Earthed) , grade cross sectional area 95 Sqmm 3 Core complete all as specified and directed .

Supply and fix 100 mm bore GI pipe light grade for cable protection ,ISI marked with all fixing accessories such as clamps of suitable size/length ,Nut bolts and washers and fixed complete to walls and ceilings or laid in floors complete including taking down old unserviceable pipe any type all as specifed and directed ..

Supply & Fix Cable jointing kit for 11 KV (Earthed) grade cable for Outdoor end termination heat shrinktype joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable ofsize 95 sqmm complete all as specified and directed .

Supply & Fix Cable jointing kit for 11 KV (Earthed) grade cable for Outdoor end termination heat shrinktype joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable ofsize 120 sqmm complete all as specified and directed ..

Excavation in trenches not exceeding 1.5 m wide and not exc. 1.5 mtr in depth and getting out hard /dence soil and making good surface complete all as specified and directed .

Returning, filling in including spreading levelling watering and well ramming in layer not exceeding 25 cm complete all as specified and directed .

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

M & L for Double Walled Corrugated DWC HDPE Pipe (N-450) of outer dia 110 mm including 90 degree bends with coupler and rubber ring laid in trenches of size 110 mm suitable for cable protection complete all as specified and directed.

Material & labour for earthing with Galvanised Steel earth plate electrode 60cm x 60cm x 6.0mm thick buried directly in ground vertically at a depth not less than 2.25metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanised Iron strip of 32 x 6 mm as earthing lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by light grade 40mm dia GI pipe connected to main switch board or main control board and GI pipe medium grade 20mm bore for watering and including funnel , wire mesh , RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40mm graded stone aggregate, including excavation and earth work in any type of soil , returning , filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate No 3 of SSR 2020(Part-I) complete all as specified and directed.

Note :- Schedule of Credit of Amount Rs 34304.00 shall be deducted from total amount.