ERECTION OF ELECTRICAL WORKS

Amount

Erection, testing and commissioning of structure for switchyard (spread out type) with 9 mtr. PCC poles, equipment support structure etc. fabricated from structural steel conforming to IS:2062 including GI nuts, bolts, foundation bolts, washers and other accessories complete as per TS & approved drawings.

Fabrication and Erection of 33 KV Gantry 4P structure on 9 mtr pcc pole With Provision For Isolator& LA (Ref. DR No. RE/SS/39).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and erection of 4P structure on 9 mtr pcc pole with foundation but without any insulator for 33 KV H/L Isolator Support(Ref. DR No. RE/SS/34).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of 4P structure on 9 mtr pcc pole for 33 KV L/L Isolator Support with foundation but without any insulator (Ref. DR No. RE/SS/41).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of 4P structure on 9 mtr pcc pole for 33 KV L/L End Isolator Support with foundation but without any insulator (Ref. DR No. RE/SS/38).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of 4-P structure for isolator & LA with foundation but without any insulator (Ref. DR. No.PLN(D)/SS/112).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of GI 33 KV CT structure on existing plinth with supply of G.I nuts & bolts with proper adjustment (Ref.DR NO-RE/SS/57).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of GI 33 KV P.T Structure on existing plinth with supply of G.I Nuts & Bolts (Ref. Dr NO:RE/SS/57).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of 11KV Cable End Box Supporting Frame Work with foundation (DR No.PLN(D)/SS/85). Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per reffered drawing.

Fabrication and Erection of G.I. Structure of L.T Cable Support with Cement Foundation complete

Substation Earthing /Ground Mat : (volume of work shall be guided by the final drawing of earth mat design from P&E wing. To achieve the design criteria, soil treatment may have to be done as per site requirement)

Laying of Earth strip (75x8 mm G.I. Flat) including cold bending to shape as require,after excavation of soil upto 0.5M below the G.L and back filling.(Running welding of strip should be minimum 100mm lapping including painting of joining portion of earth strip by bituminus paint after scrapping & smoothening of surface.Electrode for welding should be approved by site engineer.) (M.S. Flat will be supplied by WBSEDCL)

Construction of inspection pit with supplying all material 300X300X300mm size(inside) with 250mm thick brick work in cement mortar (1:4) 12mm thick cement plaster in the inner and outer surface.Pit shall be covered with precast R.C.C slab 75mm thick rainforced with 10mm dia M.S rod @ 100mm center-to-center both ways including lifting lugs of 10mm dia M.S rod at middle.

Drawal of earth strip by 75x8mm G.I flat fixed on the side wall of cable trenches providing saddle with G.I nuts & bolts from existing earth mat to control room (running welding should be minimum 100mm lapping)including Painting of joining portion of earth strip by bituminus paint after scrapping & smoothening of surface.

Drawal of earth riser by 75x8mm G.I Flat for earthing by welding sub-station structures & equipments as per direction of site engineer including Painting of joining portion of earth strip by bituminus paint after scrapping & smoothening of surface

Earth work in excavation in all kinds of soils in making trenches 450 mm in width and 450 mm in depth for laying of M.S. flat

11 KV Box Structure

Supply and Erection 14 pole structure with 9 mtr. Pcc pole for 11 KV composite MS Bus structure. (PCC Poles will be supplied by WBSEDCL).Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per TS.

Fixing of 11 KV TPGO isolator in the 14 Pole , 6 Feeder , 11 Kv , 400 A Composite Bus Structure for 11 Kv Outgoing feeders.Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per TS.

Fixing of 11KV polymer composite pin insulator

Fixing of 11KV polymer composite Disc insulator

Erection,Testing and commissioning of 12 kV 1-phase,station class,heavy duty,gap less ZnO type Sugge Arrestor on 11kV composite bus structure with fittings and accessories complete as per TS & approved drawings.Scope includes supply of all such materials which are not supplied by WBSEDCL, but required as per TS.

Stringing & sagging of 100 sqmm ACSR DOG Conductor (3 conductors) 14 Pole, 6 feeder,11kv composite Bus structure

Equipment installation

Staying of pole with HT stay set complete as per TS

Fixing of 33 KV Polymer Composite Pin Insulator

Fixing of 33 KV Polymer Composite 70KN Disc Insulator

Erection, testing and commissioning of 33 KV, 400 A,3 Phase,double break CR type Isolator alongwith insulator,oerating mechanism base channel,down pipe,auxiliary switch,terminal connector and other accessories complete as per TS

with ES & EI only (HL)

without any attachment (LL)

without any attachment (HL)

Erection, testing and commissioning of 36 kV, 1250 A, 31.5 KA for 3 sec., 3-phase outdoor type SCADA Compatible Vacuum Circuit Breaker with support structure, marshalling box and other accessories complete as per TS & approved drawings.

Erection, testing and commissioning of 33 kV SCADA Compatible Breaker control and Relay panel (30 V DC, auxiliary supply) consisting of panel mounted digital voltmeter, Ammeter, PF meter, microprocessor based relays, provision for TVM energy meter, indicating lamps & other accessories for power transformer control, complete as per TS & approved drawings.

Individual control of transformer

Individual control of feeder

Erection,testing,commisioning of RTCC Panel and other accessories complete

Erection, testing and commissioning of 33 kV,200 - 200/ 1-1-1 A,1-phase,Outdoor type,dual core,dual ratio Current Transformer with terminal connectors, junction box etc. complete for Transformer Control as per TS & approved drawings.

Erection, testing and commissioning of 33 kV, 400 - 200/ 1-1 A, 1-phase,Outdoor type, dual core, dual ratio Current Transformer with terminal connectors, junction box etc. complete for Feeder Control as per TS & approved drawings.

Erection, testing and commissioning of 33 kV/1.732 / 110V/1.732, 1-phase, 100 VA per phase potential transformer as per TS & approved drawings.

Supply & Installation of CT/PT Terminal Box

Erection, testing and commissioning of 33/0.433 kV, 100 kVA, OD type station service transformer with distribution box and all accessories as per TS & approved drawings.

Erection, testing and commissioning of 42 kV 1-phase, station class, heavy duty, gap less ZnO type Surge Arrestor with fittings and accessories complete as per TS & approved drawings.

Erection, testing and commissioning of 12 kV 1-phase, station class, heavy duty, gap less ZnO type Surge Arrestor with fittings and accessories complete as per TS & approved drawings.

Erection, testing and commissioning of 12 kV, 350 MVA ,1250/800 A,16 KA for 3 sec. multi-panel metal enclosed, shunt trip, indoor type switchgear with motor operated spring closing Vacuum Circuit Breaker as per TS & approved drawings.

2 incomer (800 A) + 6 outgoing (800 A) + 1 bus coupler (800 A) Bus Bar Rating 1250A

Stringing & sagging of 200 sqmm ACSR panther 3 Conductor H/L & L/L with connection

Laying of Power and Control Cable & Connection

Laying of Underground Cable 11 kV Grade, 3 x 300 sq.mm XLPE through surface trench etc complete

Supply & Fixing of O/D type heat shrinkable end termination jointing kit for 11 KV,3X300 sq mm XLPE cable with other accessories complete

Supply & Fixing of I/D type heat shrinkable end termination jointing kit for 11 KV,3X300 sq mm XLPE cable with other accessories complete

Laying of 1.1 kV grade 3.5 x 120 sq.mm Aluminium armoured conductor PVC Power cable complete with fixing of lugs,termination sockets etc as per approved schedule.

Laying of 1.1 kV grade PVC insulated steel armoured copper conductor control cable through surface trench including digging of trench, supply & laying of sand, bricks ( 8 bricks per Meter) etc complete for laying with fixing of lugs, ferrules and termination sockets as per approved schedule.

2.5 sq mm, 4 core

2.5 sq mm, 8 core

2.5 sq mm, 12 core

Battery With Charger Unit

Erection, testing and commissioning of 415 V, sheet steel enclosed floor mounted AC Distribution Board complete with all accessories as per TS catering auxiliary power requirement of the substation.

Installation/Erection, testing and commissioning of 15 nos x 2 V (30 V DC), 75 AH, Lead Acid Plante type Storage Battery along with terminal connectors, wooden rack , cables and other accessories complete as per TS.

Erection, testing and commissioning of 30 V DC, 16 A, Auto/ Manual Float-cum-Boost Charger for charging above Battery Bank complete with connectors, cables and other accessories ( as per TS ).

Erection, testing and commissioning of 30 V sheet steel enclosed floor mounted DC Distribution Board complete with all accessories as per TS for supplying DC Power requirement of the Substation.

Tushar Enterprise

MAA MANASA VYAPAAR

M/S. BIJAN KUMAR DUTTA

M/S. BASU & COMPANY