Shifting, Erection, Installation, Wiring, Testing and Commissioning of Electrical Equipment for Proposed 1x10 MVA, 33KV/6.6KV Western Substation at West Turra of Nigahi Project

Amount

33KV, 1250 A Off Load Horizontal Isolators with Earthing and without earthing switch

Installation of 33KV, 10 KA Lighting Arrestors

33KV CTs, CTR 200-100/1-1-1A with wiring etc.

Installation and erection of 33KV/110 V PTs

SF-6 Circuit Breaker, 33KV, 1250A, 1000 MVA with control relay panel and wiring etc.

10 MVA, 33KV/6.6KV Power Transformer with all accessories

Installation of 6.6 KV, 10 KA Lighting Arrestors

VCB 6.6KV, 1250A with 6.6KV accuracy class 1, CTR 1000-500/1-1-1 A with indoor control panel/4-way panel/3-way panel

Neutral Grounding Resistance of rating 154 Ohms, 25A

Installation of 33KV/415V station transformer with accessories(LT panel etc.)

Erection of 33KV dropout fuse assembly

Busbar of Aluminium strip size-50 mm x 6 mm with disc and post insulator and required hardware T clamp, PG clamp required hardware, jointing kit, Ferrul lugs, gland, nut bolt & washer including ACSR wolf conductors etc.

Installation of lighting protection system complete with 16 meters high lighting mast having 2 M high spike, interconnected with GI wire 7/10 and 7/12 SWG(shield wire for application and lighting protection system). Each mast earthed with separate earth pit through GI strip

Installation, testing and commissioning of interlocking system of isolators with associated circuit breakers both in 33KV and 6.6KV, laying of cables, wiring feruling, lugging, making of manual locking and testing on gang operating switches(36 Nos.)

Erection, testing and commissioning of 110 V DC battery bank capacity of 200 AH consisting of 2V, 55 Nos. battery

Total impact of GST for the purpose of CTC

Biswas Engineering Works