Restructuring of Switchyard at Bagila 33/11 KV Sub-station

Amount

Erection of four pole structure with 9 mtr long PCC pole with cement concrete foundation from 1500mm below and upto 300mm above the G.L with centreing,plastering & net finishing above ground level for base protection of PCC pole including complete fittings with pole and structure paint as per WBSEDCL specified 33/11KV substation structure for 33KV gantry cum isolator & L.A support. (Struc. Drg. No- RE/SS/39)

Erection of four pole structure with 9 mtr long PCC pole with cement concrete foundation from 1500mm below and upto 300mm above the G.L with centreing,plastering & net finishing above ground level for base protection of PCC pole including complete fittings with pole and structure paint as per WBSEDCL specified 33/11KV substation structure for 33KV High Level isolator support (Struc. Drg. No- RE/SS/34)

Erection of four pole structure with 9 mtr long PCC pole with cement concrete foundation from 1500mm below and upto 300mm above the G.L with centreing,plastering & net finishing above ground level for base protection of PCC pole including complete fittings with pole and structure paint as per WBSEDCL specified 33/11KV substation structure for 33KV High Level Bus support (Struc. Drg. No- RE/SS/38)

Erection of four pole structure with 8mtr long PCC pole with cement concrete foundation from 2500mm below and upto 300mm above the G.L with centreing,plastering & net finishing above ground level for base protection of PCC pole including complete fittings with pole and structure paint as per WBSEDCL specified 33/11KV substation structure for for 33KV Low Level isolator support(Struc. Drg. No- RE/SS/41)

Erection of four pole structure with 8mtr long PCC pole with cement concrete foundation from 2500mm below and upto 300mm above the G.L with centreing,plastering & net finishing above ground level for base protection of PCC pole including complete fittings with pole and structure paint as per WBSEDCL specified 33/11KV substation structure for for 33KV Low Level isolator support

Suuply & Erectionof 33 KV CT/PT G.I. Lattice structure as per approved drawing(PLN-DSS/57) in existing foundation.

dismantling and re-erection of 33 KV CT/PT G.I. Lattice structure as per approved drawing(PLN-DSS/57) in existing foundation.

Fixing of 33 kv CR Type 400A HL Isolator with earth switch alongwith fixing of isolator handle and associated parts with proper adjustment for smooth opeartion with supply of compression type isolator pad to panther connector at High Level support structure

Fixing of 33 kv CR Type 400A HL Isolator w/o Earth Switch alongwith fixing of isolator handle and associated parts with proper adjustment for smooth opeartion with supply of compression type isolator pad to panther connector at High Level support structure

Dismantling & Re-Fixing of 33 kv CR Type 400A HL Isolator w/o Earth Switch alongwith fixing of isolator handle and associated parts with proper adjustment for smooth opeartion with supply of compression type isolator pad to panther connector at High Level support structure

Fixing of 33 kv CR Type 400A LL Isolator w/o Earth Switch alongwith fixing of isolator handle and associated parts with proper adjustment for smooth opeartion with supply of compression type isolator pad to panther connector at Low Level support structure

Fixing of 42 kv 1 phase station class LA, jumpering from busbar, hardware etc. as required on existing structure as per approved drawing of WBSEDCL and scope of work.(1set-03nos.) with supply of connector

Fixing of 33 kv Pin Insulator with pin

Dismantling of 33 kv Pin Insulator with pin and return to store

Fixing of 33 kv Disc Insulator with hardware fittings including supply of compression type tesion fittings and jumpering cone (Hardware)

Dismantling of Disc Insulator with hardware fittings (1set-03nos.) and return to store

Stringing & sagging of 200 sqmm ACSR (Panther) conductor,3 wire

Drawal of panther for Dropper connection from high level to low leves bus with supply and fixing of PANTHER to PANTHER T-Connector compression type

Erection of 33 kv VCB scada compatible on existing plinth including fixing of structure with proper adjustment,earthing and control wire terminal connections, HT terminal connections including supply and fixing of compression type connector

Dismantling and re-rection of 33 kv VCB scada compatible on existing plinth including fixing of structure with proper adjustment,earthing and control wire terminal connections, HT terminal connections by supplying isolator & VCB pad connector with supply of compression joint

Erection of 33 kv C&R panel for FDR control in control room which includes fixing of relays and meters, panel wiring and control wire connection etc. with supply an fixing of ferrule, connectors and other accessories.

Dismantling and re-rection of 33 kv 3 core,dual ratio,200-100/1-1-1A O/D CTs on existing structure which includes HT terminal connection,earthing and control wire termninal connection by suppling CT junction box & necessary pad connection(1 set-3nos.)with supply of compression connectors.

Erection of 33 kv 2 core,dual ratio, 400-200/1-1-1A O/D CTs on existing structure which includes HT terminal connection,earthing and control wire termninal connection by suppling CT junction box & necessary pad connection(1 set-3nos.) with supply of compression type Panther to Stud connector

dismantling and re-erection of 33 kv/110v PTs which includes HT terminal connection,earthing & control wire terminal connection by supplying necessary connection (1 set-3nos.) with supply of compression joint

Shifting of 33/0.433 kv 100kva OD type Station Service transformer on existing cement concrete foundation.

laying & crimping of 4cx120 sqmm 1.1KV PVC cable

supply & laying of GI pipe 150mm dia

laying & crimping of 4x2.5sqmm armoured,stranded,copper conductor,PVC insulated & PVC sheathed cable

laying & crimping of 8x2.5sqmm armoured,stranded,copper conductor,PVC insulated & PVC sheathed cable

laying & crimping of 12X2.5sqmm armoured,stranded,copper conductor,PVC insulated & PVC sheathed cable

Making T-Joint with Supply of Compression type joint

Supply and Erection of neutral Earthing support by GI 100x50 channel i.r.o. Stn. Service transformer (material to be supplied by WBSEDCL)

Laying of earth strip with MS Flat including cold bending to shape as require, after excavation of soil upto 0.5 M below the G.L. and back filing. Running welding of GI strip should be minimum 100 mm lapping. Electrode for welding should be approved by site Engineer

Construction of inspection pit 300x300x300 mm size(inside) with 250 mm thick brick work in cement mortar (1:4) 12 mm thick cement plaster in the inner and outer surface. Pit shall be covered with precast R.C.C slab 75 mm thick rainforced with 10 mm dia M.S. rod @ 100 mm center-to-center both ways including lifting lugs of 10 mm dia M.S. rod at middle.

Galvanisation of 50x6 mm G.I Flat and drawl of earth riser by 50x6 mm G.I Flat for earthing by welding sub-station structure & equipments, Isolator handle as per direction of site Engineer.

Painting of jointing portion of earth strip by bituminus after scrapping & smoothing of surface.

Dismantling of existing 4 pole structure made of 9 M PCC Pole along with all other accessories and return the same to store

Dismantling of existing 4 pole structure made of 8 M PCC Pole along with all other accessories and return the same to store

Dismantling of 33 KV CR type Isolator from Existing structure and return to store

Dismantling of 100 SQMM ACSR conductor and return to store

M/S B. D. ENTERPRISE

Nandi & Sons