STDK/05 OF 05/2021

Amount

Work of New Line Bay at 66/11 KV SUBSTATION IN KARBUTHANG, KARGIL DISTRICT

TRANSFORMERS, SWITCHGEARS & HARDWARE FOR SUBSTATION

145 kV, 1250 A, 31.5 kA for 1 sec, SF6 Circuit Breaker, outdoor type, 3-Ph gang operated complete with operating mechanism & support structure with 10 % spare SF-6 gas.(BIL-650 kVpeak, Creepage distance=31 mm/Kv, Altitude- 2900 M)

66 KV Current Transformers, 5core of CT ratio 200-100/1-1-1-1-1A, accuracy class and burden as specified with first filling of oil.

66 KV Potential Transformers 66KV line and 66KV bus.

66 KV, 800 A, triple pole motor operated outdoor type double break isolators with terminal connectors and with rated short time current of 25 KA and complete in all respects including interlocks with operating mechanism as per specifications(with earth switch).

60 KV, 10 KA Station class, gapless type LA complete with insulating base, surge counters, grading rings, terminal connectors as per specifications.

Control & Relay panel for 66KV Transmission line with Numerical Distance , Dir. OC & EF protection compatible to IEC 61850, complete with all accessories as per latest CEA Technical standards suitable for connection to SCADA and OF communication.

Post type insulators 66 KV, 6 KN with supporting structure and stack of 1 post insulators.

66 KV, 120 KN insulators strings( tension and pilot string) complete with hardware as per accompanying specification and suit ACSR PANTHER conductor of size 30/7/3.00mm

66 KV, 120 KN tension insulators strings complete with hardware as per accompanying specification and suit ACSR PANTHER conductor of size 30/7/3.00 mm

ACSR PANTHERconductor of size 37/5.23mm for 66 KV and 11 KV system and accessories.

T' connectors to connect ACSR PANTHER conductor of size 30/7/3.00mm.mm to loops of ACSR PANTHER conductor of size 30/7/3.00mm.

Bimetallic connectors to connect ACSR conductor of size 30/7/3.00mm.mm to studs and pads of 66 KV system equipments.

LT Power cables, 1.1 KV heavy duty PVC sheathed, PVC insulated Aluminium conductor cables unarmoured manufactured to ISI: 1554

2 core x 6 sq.mm

4 core x 6 sq.mm

4 core x 10 sq.mm

Cable glands, pipe lugs etc.

Control cables, 1.1 KV heavy duty PVC sheathed, PVC insulated copper conductor cables unarmoured manufactured to ISI: 1554

4 core x2.5 sq.mm

4core x 4 sq.mm

7core x2.5 sq.mm

9 core x 2.5 sq.mm

Cable glands, pipe lugs etc.

Earthing System

Chemical ground electrodes of 80 mm nominal diameter and 3 mts long.

GI Strip 50 mm x 6 mm for connecting equipment's

Gl Strips 50 mm x 8 mm for earth mat

Miscellaneous Items

Tinned Copper Bar / Copper Strips 60 x 5 mm

Rubber Mat, 2 Mt x 1 x 12 mm

Metering

Energy Metering DMLS compatible complete in all respect with test certificate in C&R panel

PLCC/FOTE

Interfaceing and miscellaneous equipment for the fibre optic network shall be based on the Synchronous Digital Hierarchy (SDH) having bit rate of STM-1/STM-4 as indentified in the BoQ. The network shall consist of overhead fibre optic links with a minimum bit rate of Synchronous Transport Module4/STM-16 (STM-1/4)

OF Cable

Other Hardware and systems

CIVIL WORKS

Site preparation, levelling, Excavation for foundations etc.. Earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in :

Equipment/Tower Foundation

Miscellaneous

STRUCTURAL WORKS

Main Gantry and Towers

Eqpt Supporting Structures

Mir Electrical Store

MANJIT POWER AND PROJECTS PVT LTD