Upgradation of 132KV Link Line of 132KV Double Ckt Transmission Line Agartala Rokhia section at Rokhia Generating Station

Amount

GROUP-A (SUPPLY) :

145 KV, 3 pole outdoor class SF6 Circuit Breaker of 2500 A rated normal current and breaking capacity 7500 MVA rated symmetrical breaking current 40 KA with required motor operated spring charge mechanism complete with Galvanized supporting Structure and standard accessories & tools complete with all accessories.

132KV Control relay and meter panel duplex corridor type sheet steel cubicle complete with wiring links fuses internal illumination, ammeter, voltmeter, electronic Multi Functional Meter, combined numerical type directional over current and earth fault IDMTL relay, Distance protection relay, auxiliary relay, master trip relay, LBB relay, semaphore, mimic bus diagram etc. for Feeder protection and control.

Retrofitting of following Numerical Relay at 132KV C.R. Panel of both side of 132KV link line at Rokhia .

a) Back up Earth Fault & Over Current Relay (MICOM-P-141)

b) Supply & Retrofitting of Line Differential Relay (MICOM-P-546) with Fiber approach cable

1.1 KV graded PVC Insulated (sheathed) 2.5 sq.mm Copper (Stranded) armored control cable.

i) 14 core 2.5 Sq.mm Control cable

ii) 10 core 2.5 Sq.mm Control cable

iii) 7 core 2.5 Sq.mm Control cable

iv) 5 core 2.5 Sq.mm Control cable

40 mm Dia, 6 mtr long MS Rod Earthing Electrode

50 x 8 mm GS Flat for equipment and structure earthing for main earth mat and risers

Supply ( DTPC equipment & accessories)

TeleProtection Terminal Equipment 19-Inch, Rack mountable. Network Interfaces: 1 x C37.94 protocol optical interface [with SFP] Substation Interfaces: -upto 8, 2-way independent-simultaneous binary command channels Management: SNMP/Telnet Port (RJ45 (F)), Serial Port (USB, DB-9 COM) Serial Port, EMS, Graphical User Interface (GUI) Installation Kit: System Core Cables, Mounting Hardware,Documentation, User Manual -2 x 48V DC Power Supply Input [Redundant] -Command Voltages : 110-125V DC / 220-250V DC -Command Voltages Set to 220-250V DC Includes: 1 x External Trip Counter Display 1 x External feed-through Terminal Block (TB) 60-I/O 1 x SFP, 13dB, 1310nm, 9.38 miles/15 km, SM (single mode)

24F Single-Mode, FODP, Rack Mount

12 Core Armoured Single-Mode Fiber Cable

Outdoor Joint Box

2 Core (2.5 sq.mm.) Armoured DC Cable

12 Core (2.5 sq.mm.) Armoured Control Cable

IP41 complied 19" Telecom Cabinet [1800 (H) x 600 (W) x 600 (D)]

GROUP "B" (ERECTION / TRANSPORTATION

145 KV, 3 pole outdoor class SF6 Circuit Breaker of 2500 A rated normal current and breaking capacity 7500 MVA rated symmetrical breaking current 40 KA with required motor operated spring charge mechanism complete with Galvanized supporting Structure and standard accessories & tools complete with all accessories.

132KV Control relay and meter panel duplex corridor type sheet steel cubicle complete with wiring links fuses internal illumination, ammeter, voltmeter, electronic Multi Functional Meter, combined numerical type directional over current and earth fault IDMTL relay, Distance protection relay, auxiliary relay, master trip relay, LBB relay, semaphore, mimic bus diagram etc. for Feeder protection and control.

Retrofitting of following Numerical Relay at 132KV C.R. Panel of both side of 132KV link line at Rokhia .

a) Back up Earth Fault & Over Current Relay (MICOM-P-141)

b) Supply & Retrofitting of Line Differential Relay (MICOM-P-546) with Fiber approach cable

1.1 KV graded PVC Insulated (sheathed) 2.5 sq.mm Copper (Stranded) armored control cable.

i) 14 core 2.5 Sq.mm Control cable

ii) 10 core 2.5 Sq.mm Control cable

iii) 7 core 2.5 Sq.mm Control cable

iv) 5 core 2.5 Sq.mm Control cable

40 mm Dia, 6 mtr long MS Rod Earthing Electrode

50 x 8 mm GS Flat for equipment and structure earthing for main earth mat and risers

Transportation of 132 kV single phase out-door type oil cooled wound primary type CT (3 Nos) from P.K Bari Sub-Station to Rokhia GTP including loading & unloading as per direction of Engg -in - Charge.

Transportation of 132 kV single phase out-door type oil cooled wound primary type CT (3 Nos) from Surjamaninagr Sub-Station to Agartala Grid Sub-station, 79 tilla including loading & unloading as per direction of Engg -in - Charge.

Erection of 132 kV single phase out-door type oil cooled wound primary type CT as per direction of Engg -in - Charge.

( DTPC equipment & accessories)

Installation & Commissioning , Retrofeting (DTPC + laying)

GROUP - "C" (DISMANTLING AND HANDING OVER OF MATERIALS)

Dismentling 145 KV, 3 pole outdoor class SF6 Circuit Breaker of 2500 A rated normal current and breaking capacity 7500 MVA rated symmetrical breaking current 40 KA with required motor operated spring charge mechanism complete with Galvanized supporting Structure and standard accessories & tools complete with all accessories.

Dismentling of 132KV Control relay and meter panel duplex corridor type sheet steel cubicle complete with wiring links fuses internal illumination, ammeter, voltmeter, electronic Multi Functional Meter, combined numerical type directional over current and earth fault IDMTL relay, Distance protection relay, auxiliary relay, master trip relay, LBB relay, semaphore, mimic bus diagram etc. for Feeder protection and control.

Dismentling of 132 kV single phase out-door type oil cooled wound primary type CT (3 Nos) from P.K Bari Sub-Station as per direction of Engg -in - Charge.

Dismentling of 132 kV single phase out-door type oil cooled wound primary type CT (3 Nos) from Surjamaninagr Sub-Station as per direction of Engg -in - Charge.

Dismentling Back up Earth Fault & Over Current Relay (MICOM-P-141) from 132 KV CR panel at Rokhia.

M/S Saha Trading