Second call for Erection of new 33KV bay for installation of PTR and allied works for capacity augmentation of Sajirhat 33/11 KV Substation from 3x10MVA to 4x10MVA, under Barrackpore Division.

Amount

33 KV Current Transformer

Erection and commissioning of 33 KV Current Transformer on existing structure and Necessary Connection with ACSR 200 sq mm conductor/Pipe bus with supply & erection of water proof hinge door junction box of good quality SMC and Compression type Al connectors at both end of CTs with Bi-metalic Plate ( CTs 200-100/1A/3C & ACSR 200sq mm will be supplied by WBSEDCL) (03 NOS CT =01 SET )

33 KV VCB

Erection and commissioning of 33 KV VCB along with its structure(with assembling) on existing foundation with proper alignment, and connection with ACSR 200 sq mm conductor/Pipe Bus and Compression type Al connectors with Bi-Metalic Plate (VCB & ACSR 200sq mm conductor will be supplied by WBSEDCL)

33 KV Potential Transformer

Dismantling and Re-erection,commissioning of 33 KV Potential Transformer on existing foudation 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 of PTs with Bi-Metalic Plate,pin insulator (pin insulator,MS METERIAL & ACSR 200sq mm conductor will be supplied by WBSEDCL) ( 03 NOS PT =01 SET)

Dismantling and Re-erection ,commissioning of station service transformer on Plinth/DP Structure with all necessary connection.

33 KV Indoor type, SCADA compatible Control and Relay Panel

Erection and commissioning of 33 KV Indoor type, SCADA compatible Control and Relay Panel for individual control of Power Transformer with Differential protection 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 & MS channel will be supplied by WBSEDCL)

RTCC Panel

Erection and commissioning 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)

Erection and commissioning of SCADA compatible 11 KV VCB with switchgear inside the control room with proper alignment making base by grouting 100x50x6 mm G.I. Channel and cutting of concrete base in control room including necessary connection with power cable(for INCOMING AND OUTGOING FEEDER), Relays, Metering/ Measurements equipments etc. with supply and fixing of Gland, Ferrules, PVC Tape,Ampere Tape and Sockets etc ( Only 11 KV VCB, BUS ADAPTER and MS channel will be supplied by WBSEDCL)

INCOMER

OUTGOING

BUS COUPLER

BUS ADAPTER

42KV Lightning Arrestor

Erection of 42KV Lightning Arrestor on DP structure and necessary connection with ACSR 200 sq mm conductor/Pipe Bus and Compression type Al connectors,AL Sockets with Bi-Metalic Plate ( 33 KV Lightning Arrestors & ACSR 200Sq mm Conductor will be supplied by WBSEDCL). ( 03 NOS LA =01 SET )

33KV CR-type, 400amps isolator

Fixing of 33KV CR-type, 400amps HL isolator(HL Isolater will be supplied by WBSEDCL) along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with necessary connection as per instruction of site engineer.

Fixing of 33KV CR-type, 400amps LL isolator (LL Isolater will be supplied by WBSEDCL) along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with necessary connection as per instruction of site engineer.

Pipe bus/Panther Bus

Drawal of 1.5 inch.running Pipe bus with connectors

Fabrication & Erection of Panther Bus at 33/11 kV substation with all accessories & fittings, insulators with fixing of suitable clamps & connectors

Supply of IPS extruded standard Alluminium Tubular Pipe Bus of reputed company of 1.5" dia( Material Gr. 63401 Al. alloy with W.P.range2) OD= 48.26 mm ID= 40.894 mm, Wall thickness 3.69 mm Wt= 1.396 kg/m. Cuttent rating =1160 A. Manufaturer's Test Report to be submitted.

Supply of Connectors (Manufacturer GA drawings are required to be submitted within 10 days of issuance of the PO for approval at Barrackpore Divisional Office and Manufacturer's Test Report to be submitted to the Divisional Manager, Barrackpore Division at the time of delivery)

Supply of Expantion type connector DBR ISO pad to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/1

Supply of Rigid type connector DBR ISO pad to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/2

Supply of Expantion type connector CT stud to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/3

Supply of Clamp type connector LA pad to ACSR Panther.as per technical specification and drawing Ref No BKPD/TECH/6

Supply of Tee Connector 1.5" to ACSR panther.as per technical specification and drawing Ref No BKPD/TECH/7

Supply of Expantion type connector TRAFO stud to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/8

Supply of Rigid/ Sliding type BUS SUPPORT CLAMP for 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/9

Supply of Terminal connector for 1.5" IPS Al tube to Cable termination kit.as per technical specification and drawing Ref No BKPD/TECH/10

Supply of Clamp type connector DBR ISO pad to ACSR Panther. as per technical specification and drawing Ref No BKPD/TECH/11

Supply of Expantion type connector CB pad to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/12

Supply of Tee Connector 1.5" IPS Al tube to 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/14

Supply of Through type connector PT stud to ACSR panther.as per technical specification and drawing Ref No BKPD/TECH/5

Bi Metalic (Aluminium-Brass) Plate 2 MM thickness dimension 100 MMX100MM

Supply of EXPANSION TYPE BUS SUPPORT CLAMP for 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/15

Supply of RIGID TYPE BUS COUPLER for 1.5" IPS Al tube.as per technical specification and drawing Ref No BKPD/TECH/16

12 KV Lightning Arrestor

Erection of 12 KV Lightning Arrestor on existing Cable end box support frame for (PTR=01 Nos) and connection with ACSR 200 Sq.mm with Compression type Al connectors ( 12 KV Lightning Arrestors & ACSR 200 Sq.mm will be supplied by WBSEDCL).( 03 NOS LA =01 SET )

Fabrication & Erection of Structure on PCC ( PCC Pole will be supplied by the WBSEDCL) Pole(including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete. MS materials will be supplied by the WBSEDCL and galvanizing will be done by the contractor which is included in the schedule in sl no. 19

Erection of four pole Structure including 8.0 mtr. long PCC Pole(with foundation) with Channel, Angle, Flat, Insulators other accessories & fittings complete for 33 kV 400A L.L. CR Type Isolator (ref drg: RE/SS/41).Painting of PCC Poles is required to be done matching with the existing structure of the Sub-station

Erection of four pole Structure including 8.0 mtr. long PCC Pole(with foundation) with Channel, Angle, Flat, Insulators other accessories & fittings complete for 33 kV 400A H.L. CR Type Isolator (ref drg: RE/SS/34) Painting of PCC Poles is required to be done matching with the existing structure of the Sub-station

Erection of Double pole alongwith LA structure including 8.0 mtr. long PCC Pole (with foundation) with Channel Angle, Flat, Insulators other accessories Painting of PCC Poles is required to be done matching with the existing structure of the Sub-station

Supply & Erection of Lattice G.I. structure for electrical equipments etc. all complete with G.I. foundation bolts (450mm long, 19mm Dia) as per approved drawing, Specification and direction of the Engineer (drawing supplied by WBSEDCL). ( galvanizing as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members in Hot Dip Galvanising Method.)

33 kV CT/PT Structure (Ref drg: PLN(D)/SS/57)

11 kV Cable support end structure with LA (Ref drg: PLN(D)/SS/85)

LT Cable Support for Station Service Transformer as per approved drawings, specifications and scope of the work.

G.I. structure for 33 KV VCB staircase for Standing arrangement by 65 x 65 x 6 mm Angle (All materials supplied by the agency) matching with existing design of the structure of the Sub-Station

Laying of Control Cables in cable trench/ pipes/underground/overhead(with supply & fixing of Cable tray) 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/Relaying,Dressing, testing and commissioning of power Cables in cable trench(excavated/pucca with laying the slab)/ pipes/underground/overhead/ terminal structure including their all necessary connection at indoor/outdoor with supply of Glands, Lugs, Ferrules, Tags etc. and Crimping Socket etc. (XLPE/PVC cable will be supplied by WBSEDCL)

XLPE 11 KV 300 SQ MM UG CABLE

XLPE/PVC 1.1 KV 120 SQ MM 3.5 CORE

Erection of Earthing complete as per TS (All materials including G.I. Flat will be supplied by the contractor)

Laying of G.I. flat ( 65 x 6 mm) on insulated support inside the cable trenches followed by lap jointing (125 mm lapping of each piece with other) by electric welding. Tag welding shall be done by continous process. Application of zinc chromate paint shall be done on welded portion immediately after jointing.

Drawal of earth riser alongwith connection by 50 x 6 mm G.I. flat from the earth mat to each of the yard structures and power equipments like power transformer,VCB,CT etc by electric welding. Tag welding shall be done by continous process. Application of zinc chromate paint shall be done on welded portion immediately after jointing.

Construction of inspection pit of 400 x 400 x 400 mm size (inside measurement )with 250 mm thick brick work in cement mortar(1:4),12 mm thick cement plaster (4:1) in the inter wall surface and upto 150 mm below the ground level of the outer surface .The pit shall be covered with precast RCC slab 50 mm thick (4:2:1) reinforced with 10 mm dia G.I rod @ 100 mm centre -to- centre both ways including lifting lugs of 10 mm dia G.I rod at the middle of the slab with the proper finish of all slab on all sides.(cement , brick, slab etc Civil items will be supplied by the contractor)

Neutral point earthing arrangement of PTRs/Station Service by 3mtr long 50mm dia having conical shape at the bottom with 12mm perforation on the body of the pipe applying salt and charcoal at the alternate layer along the GI pipe and connection with existing earth mat (All materials along with Charcoal, salt and GI pipe will be supplied by agency)

Formation of earth mat as per approved design with supply & erection of 75x8 M.S. Flat (excavation of soil included)

Drawing of earth lead with 50 x 6 mm G.I flat for earthing of equipment installed inside control room building and connection arrangement from earth bus to equipment such as 11kV VCB, RTCC panel, CR panel, Battery charger etc by tag welding with necessary painting of earthing bus joints.

Erection of Double Pole structure by 11 Mtr H-Beam, complete with all fittings i.e G.I. Cross Arm / Cross Bracing / Horizontal Bracing / Clamp etc with supply of required quantity of G.I. Nuts, Bolts and washers with hot dip galvanisation comply with IS:4759 and IS:2633 but without any Insulator for 11 KV Terminal DP.

Fabrication & erection of Iron materials complete (Top channel, X-bracing, pole clamps, CG bracket etc.)

Eretion of Rail pole (12.8 Mtr)/H-Beam Pole (including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete with painting of Rail Pole(1 coat red oxide & 2 coat Alluminium paint of reputed company including supply of paint ).

Fixing of 11 kV Pin insulator with Pin

Erection of 11 kV TPGO isolator 400 A

Fixing of Caution Board

Staying Complete (HT)

Fixing of 12 kV LA

Fixing of 33 kV Pin insulator with Pin

Fixing of 33 kV Post insulator

Galvanisation of fabricated MS Channel, Angle, Flat etc. (as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members) in Hot Dip Galvanising Method.

Dismantling and Re-erection ,commissioning of ACDB 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 & MS channel will be supplied by WBSEDCL)

Arrangement for termination joint/St.Joint. Jointing kit for end termination joint will be supplied by WBSEDCL and the work of jointing will be done by WBSEDCL’s own personnel or other agency. But necessary arrangements for properly covering top and all sides of jointing pits with tarpaulin/ Polythene sheet has to be made at the time of jointing. Also required manpower is to be provided to help the cable jointer for straightening the cable at the joint location and re arrangement of cable loops until completion of jointing and necessary lighting arrangement is to be done if required

THE MODERN ENTERPRISE

M/S T.D.ELECTRIC