Augmentation of Jaggesawardihi 33/11KV Existing sub-station

Amount

33/11 KV Sub-station Bay Structure

Erection of 4 pole structure with 8 M Long P.C.C pole with cement concrete foundation from 1500 mm below and upto 300 mm above the G.L. with centering, plastering & net finishing above ground level for base protection of P.C.C. pole including complete fittings with pole and styructures paint as per WBSEDCL specified 33/11 KV Sub-Station structure for 33 KV High Level Isolator support (Struc. Drg. No- RE/SS/34)

Erection of 4 pole structure with 8 M Long P.C.C pole with cement concrete foundation from 2500 mm below and upto 300 mm above the G.L. with centering, plastering & net finishing above ground level for base protection of P.C.C. pole including complete fittings with pole and structures paint as per WBSEDCL specified 33/11 KV Sub-Station structure for 33 KV Low Level Isolator support (Struc. Drg. No- RE/SS/41)

Erection of Double pole structure with 8 M. Long P.C.C pole with cement concrete foundation from 2500 mm below and up to 300 mm above the G.L. with centering, plastering & net finishing above ground level for base protection of P.C.C. pole and fixing of 33KV LA etc. including complete fittings as per WBSEDCL specified 33/11 KV Sub-Station structure for Low Level Double P.C.C pole structure for 33 KV LA as per Drg. No. PLN(D) / SS / 10.

Fixing of 11KV pin Insulator with pin.

Fixing of 33KV pin Insulator with pin.

Fixing of 33KV Disc Insulator with Hdr. Fittings.(1 Set= 3 Nos.)

Stringing & Sagging with Panther(3conductor) for HL & LL bus connection

Fixing of 33KV CR-type, 400amps H/L isolator along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with supply Isolator pad to panther connector.

Fixing of 33KV CR-type, 400amps L/L isolator along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with supply Isolator pad to panther connector.

Fixing of 42KV, 1Ph station class Lighting Arresters, jumpering from Bus-Bar, hardware etc as required on existing structure as per approved drawing of WBSEDCL and scope of work (1set= 3 Nos)

Fixing of 12KV, 1Ph station class Lighting Arresters, jumpering from Bus-Bar, hardware etc as required on existing structure as per approved drawing of WBSEDCL and scope of work (1set= 3 Nos)

Supply of 33 KV CT G.I. Latice structure as per approved drawings in existing foundation

Erection of 33 KV CT G.I. Latice structure as per approved drawings in existing foundation

Supply and making of Compression joint for ACSR panther conductor including supply extrudad aluminium compression joint as required.

Equipment Installation

Installation of CT junction box

Erection of 33 KV, 3 core, dualratio, 200-100/1-1-1 Amp CTs on existing structure which includes H.T terminal connection, earthing and control wire terminal connection (set=3 Nos)by suppling necessary Pad connector

Erection of 33 KV VCB, Scadda compatible on existing plinth including fixing of structure, proper adjustment earthing and controll wire terminal connections,HT terminal connections by supplying Isolator & VCB Pad Connector.

Erection of 33 KV, C&R Panel, SCADA compatible for PTR Control in control room which includes fix of relays and meters, pannel wiring and controll wire connection etc.

Installation of RTCC panel

Cable Laying

Laying, testing and commissioning of Control Cables in cable trench/ pipes/underground/overhead laying including their termination at indoor/outdoor terminals including supply of glands, lugs, cable ties, tagging etc as required as per Technical Specification, approved Drawing of WBSEDCL & Scope of works

4 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

8 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

12 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

Laying & dressing of 11 KV XLPE 3x300 Sq. mm. Cable in the excavated cable trenches(double cable for 10 MVA )

Risinf of 11 kv 3C*300 sq mm cable with supply of 150 mm Dia GI pipe

Earthing

Dwl of riser by 65X6mm MS flat(Earth of about 300 mm to 800 mm in depth for riser connection & welding from the nearest earth mat to each Sub-Station structure & equipments as per direction of site Engineer. Appliacation of bituminies paint shall be done on welded portion immediately after joining. The riser connection the structure & equipment should be well furnished and bolted properly before welding and should be clamped at an inverted of 1 Mtr. for the exposed portion. The work includes bending & febrication of MS Flat should be painted with one coat of primer and two coats of bush green synthetic enamled. Measurement will be on running meter, excluding the overlapping length )

Supp.& Earthing by electrode of G.I Pipe of length 3 mtr and dia 100mm including Supply.

Const. of inspection pit 300x300x300mm s

NATIONAL CONSTRUCTION

M/S JOYDURGA ELECTRIC