RM/HG/ELECT/TENDER/2025-26/15

Amount

Erection of DP Structure for Isolator cum LA support structure with 13M Wide Flange Beam

Supply, Delivery & Erection of Galvanised (as per IS Specification) Structure along with G.I Foundation Bolt, Plate, Nuts,Bolts and erection of the same Structure on existing Concrete foundation of H/L Isolator Structure (as per drawing PLN/(D)/SS/81)

Supply, Delivery & Erection of Galvanised (as per IS Specification) Structure along with G.I Foundation Bolt, Plate, Nuts,Bolts and erection of the same Structure on existing Concrete foundation of L/L Isolator Structure (as per drawing PLN/(D)/SS/82)

Supply, Delivery & Erection of Galvanised (as per IS Specification) Structure along with G.I Foundation Bolt, Plate, Nuts,Bolts and erection of the same Structure on existing Concrete foundation of 33 KV CT Structure (as per drawing PLN/(D)/SS/57)

Supply, Delivery & Erection of Galvanised (as per IS Specification) Structure along with G.I Foundation Bolt, Plate, Nuts,Bolts and erection of the same Structure on existing Concrete foundation of 11 KV Cable Support Structure. (as per drawing PLN/(D)/SS/85)

Installation of 33 KV Indoor type, SCADA compatible Control and Relay Panel for individual control of Power Transformer with Differential & Feeder on concrete floor by grouting 75×40×6 mm G.I. Channel and cutting of concrete base in control room including necessary connection with Relays, Metering/ Measurements equipments etc. with supply and fixing of Gland, Ferrules, PVC Tape and Sockets etc.(Only CR Panel for PTR=02 will be supplied by WBSEDCL)

Installation of RTCC Panel on concrete floor by grouting 75×40×6 mm G.I. Channel and cutting of concrete base in control room and connect in all aspect with 33/11 KV, 10 MVA Power Transformer including necessary connection by supply and fixing of Gland, Ferrules, PVC Tape, Sockets etc. (Only RTCC Panel & MS Channel will be supplied by WBSEDCL)

Installation of 6.3 MVA 33/11KV PTR

Installation of 33 KV O/D VCB along with its structure on existing foundation with proper alignment, including supply & delivery of required nos. & size of Compression type Al connectors of VCB (VCB to Panther=30 Nos), GI Nuts & Bolts, washer as per IS specification etc with necessary support on the date of testing & commisioning (Only VCBs will be supplied by WBSEDCL).

Installation of 33 KV Current Transformer on structure and connection with ACSR 200 sq mm conductor with supply & erection of water proof hinge door junction box of good quality SMC and Compression type Al connectors at both end of CTs (CTs end to Panther=30 Nos) ( Only CTs 400-200/1A 2C = 2 Set & 200-100/1A 3C=2Set & ACSR 200sq mm will be supplied by WBSEDCL)

Supply, Delivery & Erection of 1.5 inch Inner dia, (Outer dia 2.0") Aluminium pipe as per IS Specification with extruded Aluminium Connectors for Pipe Bus Support on Post Insulator (9Nos), Bus Pipe End Caps, Al Bus Pipe to Pipe T-connector(24Nos) Etc. for running 33 KV Bus including jointing (Only Bus Support Post Insulators to be supplied by WBSEDCL).

Erection of 33KV, 400A, CR Type Isolator H.L with E.S

Erection of 33KV, 400A, CR Type Isolator H.L W/O E.S

Erection of 33KV, 400A, CR Type Isolator L.L W/O E.S

Installation of 11 KV 05 Panel VCB (1 IN+1BC+2OG +1BA) SCADA Compatible with switchgear inside the control room with proper alignment making base with 100X50X6 G.I.channel including supply of required nos. size of GI Bolts, nuts,washer as per IS specification & cement etc.and connection of control cable as per drawing with supply of required Gland, with necessary support on the date of commissioning ( Only11 KV11 Panel VCB and MS channel will be supplied by WBSEDCL).

Fixing of 33 KV Pin Insulator

Erection of 42KV Class Gapless Lightning arrestor with supply of compression Connector

Fixing of 12 KV Gapless LA (3 nos.=1 set) with supply of Compression Connector

Laying of 2.5 sq.mm. Copper control cable (4/8/12) core for interconnection of 33 KV Control & Relay Panels with PTRs, VCBs, CTs & PTs with supply and fixing of Cable Gland, Ferrule, PVC Tape, Socket, Tags etc. through existing trench ( Only Control cables will be supplied by WBSEDCL). i) 4 core control cable - 3200 mtr.

ii) Laying 8 Core Copr Cntrl Cbl

iii) Laying 12 Core Copr Cntrl Cbl

Fixing of 11 KV Pin Insulator

Drawal of ACSR 200 Sqmm (3 Conductor) at PTRs HV & LV Bushing for 2nos PTRs with Connection including Supply of Compression type Al Connectors ( Panther to HV Bushing Connectors , Panther to LV Bushing ) and Cu-Connector with extended bi-metalic flat surface for HV,LV & Neutral Bushing .

Supply Bi-Metallic Connectors & Making Compression Joints (Isolator Pad to Bus Pipe-42, Isolator Pad to Panther-9)

Supply & Jointing Bi-Metallic Connectors for PTR Stud

Laying of 11KV XLPE 3x300sqmm Cable (from 10 MVA Power Transformer to Incoming 11 KV Panel + Rising of 300 Sq mm XLPE 11 KV UG Cable at 10 MVA Power Transformer & cable end structure + Laying of 300 sq.mm. XLPE 11 KV U.G. Cable from 11 kv pannel to outgoing terminal structure. + Rising of 300 sq.mm. XLPE 11 KV U.G. Cable for Outgoing feeder at terminal structure end of height of 5 mtrs. each through 4" dia G.I. Pipe (Supplied by Contractor) )

Laying of 4 core, 1.1 KV grade, 185 sq.mm. XLPE/PVC cable from Station Service Transformer to ACDB through in the Cable trench and then placing the slab on trench including all necessary connection with supply of Glands, Lugs, Ferrules, Tags etc. and Crimping Socket etc. (XLPE/PVC cable will be supplied by WBSEDCL) + Raising of 4 Core, 185 sq.mm., 1.1 KV grade PVC cable at Station Service Transformer

Supply & Making End Termination Joint Out Door type for 11 KV XLPE 3C X 300 SQMM Cable

Supply & Making End Termination Joint In Door type for 11 KV XLPE 3C X 300 SQMM Cable

Supply & Making End Termination Joint Iof 1.1KV 185Sqmm 4C PVC Cable

Supply of perforated G.I. Pipe 40 mm Inner diameter (50 O/D) of 3 mtr. Long ISI marked of make (TATA / Jindal) and driven the said pipes in the soil with filling pentonite powder in the pit as per Indian Standard, approved drawing & design of WBSEDCL and direction of Supervisory Officer

Supply of Hot Dip G.I.flat 65x6 mm and earthing of PTRs Neutral & Body and different Structures, Shielding Poles and Equipments (33KV & 11 KV VCBs, CTs, PTs, CR Panels, AC & DC Panels, Chargers etc) by rising the flat from Earth mat / Pit by mean of welding & bolting as per Indian Standard, approved drawing & design of WBSEDCL and direction of Supervisory Officer. Welding must be done with using good quality sticker and G.I. Spray, including proper scraping and smoothing the surface.

Hot Dip Galvanisation & Fabrication (as per standard drawings) of Iron materials (MS Angle, MS Channel, MS Flat etc will be Supplied by WBSEDCL) & cleanning till good surface finish (the minimum coating of the zinc comply with IS:2629 and IS:2633).

Shifting of Station Service Transformer

Shifting of 33KV VCB

Shifting of 01 Set 33KV (3Nos=1set) CT with CT Structure

MAHAKALI ENGINEERING WORKS (BID ID -6908591)

M/S JOYDURGA ELECTRIC (BID ID -6905256)