Variation Works for Supply, Erection, Testing and Commissioning of Revised Quantity Items for Project being executed by Konkan Railway Corporation Limited.

RCC for foundation

Erection - Concrete for foundation and plinth hard soil & rock.

Supply of earth electrode as per IS 3043 or RDSO latest specification.

Erection of earth electrode as per IS 3043 or RDSO latest specification.

Supply of 36 mm (767 sq. mm) ACSR Bersismis conductor

Erection of 36 mm (767 sq. mm) ACSR Bersismis conductor

Supply of 2x25 KV potential transformer type-I and type-II as per requirement- Erection

Erection, testing and commissioning 2x25 KV potential transformer type-I and type-II as per requirement- Erection

Supply of 2x25 KV current transformer ratio 1500/750/5A.

Erection, testing and commissioning 2x25 KV current transformer ratio 1500/750/5A. 1044035.6

Supply of 25 KV ,2000A Double pole, vacuum type circuit breaker with interlocking along with vacuum bottle.

Erection, testing and commissioning 25 KV ,2000A Double pole, vacuum type circuit breaker with interlocking along with vacuum bottle.

Erection - Digging of earth in all type of soil.

Supply - Supply and fixing of Insulation mats for electrical purposes ISI mark IS15652/2006, Class: C, Category: II, Width (mm):1000, Thickness in mm: 3.00, Rating AC(RMS): 33KV

Erection of 12.3 MVA Auto Transformer with bushing CT.

Supply of large copper jumper 160 sq.mm. cross feeder/isolator and OHE

Erection of large copper jumper 160 sq.mm. cross feeder/isolator and OHE

Erection of earth wire termination arrangement Style 1 & 2 complete.

Supply of gravels/ballast in switching yard.

Spreading of gravels/ballast in switching yard. 2874082.5

Supply of control and relay panel numerical Relay Panel suitable for Sectioning and Paralleling Post (SP/SSP) of 2x 25 KV system (Single Line) as per RDSO specification No.TI/SPC/PSI/PROTCT/7101 or latest. (To be procured from RDSO/CORE approved sources only).

Erection of control and relay panel numerical Relay Panel suitable for Sectioning and Paralleling Post (SP/SSP) of 2x 25 KV system (Single Line) as per RDSO specification No.TI/SPC/PSI/PROTCT/7101 or latest. (To be procured from RDSO/CORE approved sources only).

Supply of 32 mm dia. MS rod for earth mat.

Erection of 32 mm dia. MS rod for earth mat.

Erection - Design & drawing of 132KV/2X25KV traction sub station with Scott connected Transformer, feeding post (TSS/FP).

Erection - Design & drawing of switching station. (SP/SSP).