2nd call for Erection of four pole 9 mtr P.C.C pole H/L, L/L with other allied work and installation of equipments at switchyard and control room of Helencha 33/11 Sub-stn under Bongaon Divison, Dist-24 Pgs (N)

Amount

Dismantling of existing power transformer 3.15 from existing pinth with all accessories such as radiators conservator tank vent pipe etc in good condition and re-installation of 3.15 MVA PTR on new pinth in the new switchyard with necessary arrangement and connection as per direction of the site engineer

Desmantaling of existing power transformer 6.3 MVA from existing pinth with all accessories such as radiators conservator tank vent pipe etc in good condition and re-installation of the same PTR on new plinth in the new switchyard with necessary arrangement and connection as per direction of the site engineer

Erection of four pole Sub- stn structure by 9m PCC pole with PCC foundation (1:3:6), fabrication and fixing with Supply of nuts and bolts as per drawing and specification (enclosed) for following structure

a) 4 Pole isolator structure isolator structure with LA (Drg ref: RE/SS/39) on PCC Pole, 9m long

b)H.L isolator structure (Drg ref; RE/SS/34) with E/S on PCC Pole.

c) H.L isolator structure with LA ( Drg ref: (RE/SS/39) E/O ES

d) Dismantaled & Re-Erection of 33 KV,400A,CR type isolator H.L. W/O E.S.@ 15% on M/C

e) L.L isolator structure (RE/SS/41)

Dismantaled & Re-Erection of 33 KV,400A,CR type isolator L.L. W/O E.S.@ 15% on M/C

Fixing of 33 KV insulator on sub-station structure

a)33 KV Pin insulator

b) 33 KV disc insulator

Fixing of 42 KV grade LA on existing structure

Dismantling & ReFixing of 42 KV grade LA on existing structure

Fixing of 12 KV grade LA on existing structure

Stringing & sagging of wire bus (3 wire system) with necessary connection with isolator & & other equipments including droper as per instruction of site officer with 200 sqmm ASCR PANTHER ( to be supplied by WBSEDCL) including supply & fixing of different types of alluminium connectors.

Erection of 13 mtr H-beam /Rail Pole for sheilding as per Dr No.PLN(D)/SS/45

Stringinging & sagging of shielding wire by ACSR 50 sqmm

HT Stay set Complete with all fittings,guy insulator, binding etc

Erection of neutral Earthing support by GI channel i.r,o ,PTR and stn service transformers

Supply and erection of galvanized fabricated structure with GI foundation nuts & bolt on existing concrete foundation with proper adjustment for

a) 33 KV outdoor CT structure as per drawing no .PLN(D)/SS/57 @ 15% on M/C

Dismantling & Re-erection of CT/PT Structure

b) Cable box supporting frame, Drawing No:RE/SS/85

Fabrication and erection of L.T cable supporting frame with concrete foundation for Stn. Service Transformer as per drawing

Installation of 36 KV, Outdoor type VCB with erection of structure on existing concrete foundation with proper adjustment and connection with CT,Bus etc and allied work upto pre-commissioning

Dismantling &re-istallation of 36 KV, Outdoor type VCB with erection of structure on existing concrete foundation with proper adjustment and connection with CT,Bus etc and allied work upto pre-commissioning

Installation of Outdoor type 33KV 200-100/1-1-1A CT on new structure which making or supply by agency with proper adjustment and connection with VCB,Bus etc and allied work upto pre-commissioning @ 15% M/C.

Installation of Outdoor type 33KV 400-100/1-1-1A CT on new structure which making or supply by agency with proper adjustment and connection with VCB,Bus etc and allied work upto pre-commissioning @ 15% M/C.

Dismantling & re-Installation of Outdoor type 33KV 400-100/1-1-1A CT on new structure which making or supply by agency with proper adjustment and connection with VCB,Bus etc and allied work upto pre-commissioning

Dismantling & re-Installation of 33KV PT on existing structure on new structure which making or supply by agency with proper adjustment and connection with ,Bus etc and allied work upto pre-commissioning

Dismantling & re-Installation of 33/0.400KV , 100 KVA station service transformer on existing concrete foundation with connection with Bus and aliied work upto pre-commissioning

Installation of CT Junction Box

Installation of PT Junction Box

Installation of LT Distribution Box for Station Service

a)Laying & jointing of 1.1 KV 12C x 2.5 Sq.mm Copper control with supply of cable Lugs,glands,tapes,socket cable

a)Laying & jointing of 1.1 KV 8C x 2.5 Sq.mm Copper control with supply of cable Lugs,glands,tapes,socket cable

a)Laying & jointing of 1.1 KV 4C x 2.5 Sq.mm Copper control with supply of cable Lugs,glands,tapes,socket cable

Laying of 1.1 KV Gr 4 core 120 sqmm PVC armoured cable through existing cable trench from station service transformer to AC Distribution Panel including end termination joints.

Laying of 11 KV Gr. 3 x 300 sqmm XLPE cable through trench (with loop) including riser

Laying of 1.1 KV Gr. 4 x 185 sqmm PVC cable through trench (with loop) including riser

Laying of 1.1 KV Gr. 4 C, 50 sqmm PVC cable through trench (with loop) including riser

Laying of 1.1 KV Gr. 4 C, 16 sqmm PVC cable through trench (with loop) including riser

Laying of 1.1 KV Gr. 2 C, 16 sqmm PVC cable through trench (with loop) including riser

Laying of 1.1 KV Gr. 2 C, 10 sqmm PVC cable through trench (with loop) including riser

Jointing including fitting and fixing of Heat Shrinkable/Push on type terminal jointing kit for following cable(Kit supply by WBSEDCL)

Jainting of 11 KV XLPE UG CABLE 300 sqmm 3 core, outdoor type

Jointing of11 KV XLPE UG CABLE 300 sqmm 3 core, indoor type

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 185 sq.mm 4C ,PVC cable

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 120 sq.mm 4C ,PVC cable

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 50 sq.mm 4C ,PVC cable

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 16 sq.mm 4C ,PVC cable

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 16 sq.mm 2C ,PVC cable

Making end Termination Joint including supply of cable lugs,glands,tapes, socket etc 1.1 KV 10 sq.mm 2C ,PVC cable

Supply & fixing of GI Pipe 100 mm dia

Erection DP structure with Rail pole/H-Beam including all fittings with GI nuts and bolts except insulator without painting (DP Materials supplied by WBSEDCL)

Fixing of 11 KV Pin Insulator on DP Structire/cable box support frame

Fixing of 11 KV TPGO Isolators 400 Amps

Installation of yard light

Supply & fixing of 150 x 100 mm pvc box in the plinth of Rail pole for termination of 400/250/150 watt metal light with necessary connection

Fixing of 150 watt LED Flood light set on Rail Pole /CRB Roof with Erection of 1.1 kV grade 4 core Cable with necessary hanging arrangement for Flood light

Supply of 150 watt LED Flood light for switchyard illumination of Make (HAVELLS/PHILLIPS) (i) Wattage -150 W LED(SMD type ) (ii) Lumen- Greater than equal to 90 Lumen/watt (iii)Weather proof rating - Greater than or equal to IP65 (iv)Input supply voltage-100-270 V, 50Hz, AC (v)Surge voltage withstand capacity- Greater than or equal to 4 KV (vi) LM 79 certification required. (vii) Factory test report according to IS specification.

Painting of all 9 mtr PCC & Rail poles /H- Beam including yard light pole with one coat primer and two coats synthetic enamel paint and as per direction of site-in-charge,(Materials supplied by the Contractor)

Installation of 33 KV tramsformer individual Control and Relay panel including grouting , levelimg, dismanling & refixing of Relays and meter etc earthing of CR panel body of two location by supplying 19x3 mm copper strip,nut & bolt with existing earth system and all other related work upto pre-commissioning in control room

Installation of 33 KV Feeder control and relay panel including grouting, leveling, dismantling & refixing of relays and meter etc earthing of CR panel body of two location by supplying 19x3 mm copper strip , nut & bolt with existing earth system and all othere related work upto pre-commissioning in control room.

Installation of AC distribution Panel with all connection and necessary earthing arrangement with existing earth system in control room

Installation of DC distribution pnel with all connection and necessary earthing arrangement with existing earth system in control room

Installation of battery charger with battery rack on existing table/wall with all connection with DC battery including installation of battery and lead acid filling and fast charging of battery other works upto pre-commissioning in control room

Laying of earth strip with MS( MS flat will be supplied by WBSEDCL) flat including cold bending to shape as require, after excavation of soil upto 0.5 m below the GI and back filling.(Running welding of GI strip should be minimun 100 mm lapping. electrode for welding should be approved by site engineer()

Construction of inspection pit 300x300x300mm size (inside) with 250mm thick brick work in cement morter(1:4) 12 mm thick cement plaster in the inner and outer surface. Pit shall be covered with precast R.C.C slab 75mm thick rainforced with 10mm dia M.S rod @ 100mm centre-to-centre both ways including lifting lugs of 10mm dia M.S rod at middle.

Drawal of earth strip by 65x6mm GI flat fixed on the side wall of cable trenches providing saddle with GI nuts& bolts from existing earth mat to control room(running welding should be minimun 100 mm lapping)

Drawal of earth riser by 50x6 mm GI flat for earthing by welding sub-stn structures& equipments as per direction of site engineer

a) excavation of soil

b)without excavation of soil

Painting of joining portion of earth strip by zinc chromate paint after scrapping & smoothing of surface.

Dismantling & Re-erection of 11 KV ,800A ,350 MVA ,10 panel shunt trip switch Board with VCB, SCADA compatible (3IN+2BC+5OUT)

Re-installed of existing Battery Set and Battery Charger with all connections from its existing location at old Control Room & return to store

Dismantling & Re-installed of AC Distribution Board with all connections

Dismantling & Re-installed of existing DC Distribution Board with all connections from its existing location at old CRB & return to store

Supply & fixing of Alluminium T connector Panther to Panther(10mm thickness)

Supply & fixing of Alluminium Bus Support clamp (10mm thickness)

Supply & fixing of 22 KV Post Insulator for Panther

Supply & fixing of Alluminium connector PTR Stud to Panther (10mm thickness) with bimetalic adoptor arrangement

Supply & fixing of Aluminium connector Pad to panther for(C.R Type Isolator)

Supply & fixing of Aluminium connector for 42 KV L/A

Fixing of Danger Board 33 KV & 11 KV

Dismantling,loading,unloading,transportation and Stacking of dismantled used and healthy material to nearest store

Single Rail Pole with all accessories

9 mtr long PCC Pole Four pole with structure and with all accessories

9 mtr long PCC Pole DP with structure and with all accessories

8 mtr long PCC Pole Four pole with structure and with all accessories

8 mtr long PCC Pole DP with structure and with all accessories

Dismantling of existing 11 KV XLPE cable(various size) and return to nearest store with coil shape

CR Type Isolator 33KV Grade with all fittings & Post insulators

TPGO type Isolators of rating 200A/400A

M/s. K.R. Construction

GHOSH ENGINEERING

ANKITA ELECTRICALS