Conversion from Group Control to Individual Control of Two 6.3MVA Transformer in Joggeswerdihi Substation

Amount

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 painting 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 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 Fuse Unit, LA etc. including complete fittings with pole painting as per WBSEDCL specified 33/11 KV Sub-Station structure for Low Level Double P.C.C pole structure for 33 KV Horn - Gap Fuse and LA.

Erection of 11 KV cable end box supporting frame work as per approved drawing(PLN-DSS/85)

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

Erection of 33 KV,3 core, dualratio, 200-100/1-1 Amp CTs which includes H.T terminal connection earthing and control wire terminal connection (set=3 Nos)

Installation of CT Junction Box

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

Supply T connector 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.

Dismantling and Re-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.(For station service Transformer)

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 33KV pin Insulator with pin.

Fixing of 33KV Disc Insulator.

Supply & making Compress joint ACSR Panther Conductor

Stringing & Sagging with Panther (3conductor) for HL Bus Connection.

Supply of Pad to Panther connector for CR Type Isolator

CT Stud to Panther Connector

PTR connection HV & LV side

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

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

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

Laying of power cable 11 KV grade , 3x300 sq. mm XLPE (Double Cable) from 10 MVA power transformer to incomming switch gear through the existing in a cable trench which includes straight line.

Making end termination for 11 kv 3cx300 sq.mm xlpe cable i/d type with supply of hs jointing kit(make-raychem or 3m/jointing kits are to be collected from manufacturer or authorised dealer and the relevant documents are to be submitted to sic before execution) as per instruction of site engineer

Making end termination for 11 kv 3cx300 sq.mm xlpe cable o/d type with supply of hs jointing kit(make-raychem or 3m/jointing kits are to be collected from manufacturer or authorised dealer and the relevant documents are to be submitted to sic before execution) as per instruction of site engineer

Laying of Earth strip with MS Flat 65x6 mm including cold bending to shape as require after excavation of soil upto 0.5 M bellow the G.I. And back filling, (Running, welding of GI strip should be minimum 100 mm lapping Electrode for welding should be approved by site engineer. (MS Flat Supply by the WBSEDCL)

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

Supply and Drawl of earth riser by 65x6 mm G.I. Flat for earthing welding sub-station structure & equipments. Isolator handle as per direction of site engineer.

Dismanteling of VCB with VCB Structure and re-erection the same

Dismanteling of CT Structure with CT and re-erection the same

Shifting of Station service transformer along with other allied works

Shifting & re-erection with new connection from Group Control to Indivudal Control Panel

MS DAS AND CO

M/S JOYDURGA ELECTRIC