WBPWD/EE/CED/eNIT-19/2025-2026

Supplying and fixing 415V, TPN SFU with sheet steel enclosure on angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.

Sub Head 2: Supply & Laying of Cable

Supply of 2/4 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make- Polycab / RR /KEI/ Havells as approved by E.I.C.

4 Core 120sqmm ( For providing power to fire fighting pump)

4 Core 16 Sq. mm (For Lift power)

4 Core 50 Sq. mm(Lighting panel to VTPN & Lift VTPN-GEN)

4 Core 35 Sq. mm(Raw power LT Panel to Lift VTPN & Emergency power LT Panel to Lift VTPN-VIP)

2 Core 6 Sq. mm (For Compound Light & Glow signage)

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire.

from 70 sqmm to 150 sqmm

Laying of one cable upto 150 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand

Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/ Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ and 4 core

Laying of cable above 3½ core 90 sqmm and upto 3½ core 150 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required

100 mm dia

Laying of 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) of following size on existing cable tray as to GS.

4 Core 16 Sq. mm

Laying of 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) with 2 Nos 8 SWG G.I wire on wall with S/F MS shaddle incl. making connections as per direction of EIC. of following size as to GS.

4 Core 16 Sq. mm

Laying only Cable upto 50 sqmm through existing RCC/Hume/ GI Pipe/open masonary trench for single, 2, 3, 3½ & 4 core (Laying location )

Laying of 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) with 2 Nos 8 SWG G.I wire on wall with S/F MS shaddle incl. making connections as per direction of EIC.of following size as to GS.

2 Core 6 Sq. mm

Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/ Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ and 4 core. (Emergency Panel to Lighting Panel-1&2 and AC panel to AC VTPN)

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed. (For Compound Light & Glow signage)

Laying of two cables above 185 sqmm in an underground trench in single tier formation (horizontal), the trench size : 680 mm x 760 mm average depth, with brick protection on the top of each cable 8 (eight) Nos. bricks per Mtr. and 4 (four) Nos. bricks per Mtr. as separator between the bricks and cables and also trench to be filled up with shifted soil, levelling up and restoring surface duly rammed. (Raw power LT panel to DG AMF, DG AMF to Emergency LT Panel C/O & Raw power LT panel to Emergency LT Panel C/O)

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

For 4 Core 120sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :

(xix) 4 core 120 sqmm cable

SUB-HEAD 3 : Misc. work

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required.

(ii) 2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts, washers etc.

Supply & fixing of 860 mm wide & 8 mm thick MS Chequered Plate incl. painting for covering the trench.

Supply, fabrication & fixing MS angle of size 25 mm x 25mm x 3mm for hanging Cables in the Sub-station Building, 1st-Floor Pannel Room. drilling holes in angle if required incl. cutting holes into the Celling/wall & grouting the same (1:1.5:3) for hanging the frame from celling and placing required size of Cables in it.

SUB-HEAD 4 : Civil work

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (For 3 nos room in Substation, Ground Floor and open masonary Trench, Outside of Substaion)

(I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (B) With N.B. Variety stone metal. (a) In 1:3:6 Proportion Ground Floor (For 3 nos room in Substation, Ground Floor and open masonary Trench, Outside of Substaion)

Brick work with 1-st class bricks in cement mortar (1:4) In Foundation (For 3 nos room in Substation, Ground Floor and open masonary Trench, Outside of Substaion)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:4 Cement Morter >> b) 15mm Thick Ground Floor (For 3 nos room in Substation, Ground Floor and open masonary Trench, Outside of Substaion)

Neat cement punning about 1.5mm thick in wall,dado, window sill,floor etc. NOTE:Cement 0.152 cu.m per100 sq.m. (For 3 nos room in Substation, Ground Floor and open masonary Trench, Outside of Substaion)

Ordinary Cement concrete (mix 1:11/2:3) with graded stone chips (20 mm nominal size ) excluding shuttering and reinforcement if any ground floor as per relevent IS Code, Pakur variety 1:11/2:3 Proportion (For open masonary Trench, Outside of substaion)

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.>> (a) For works in foundation, basement and upto roof of ground floor/upto 4 m>> (i) Tor steel/Mild Steel>>(I) TATA/SAIL/RINL (For open masonary Trench, Outside of substaion)

SUB-HEAD 5 : Earthing Installation

Excavation of soil for installation of Earth Electrode and filling & ramming

(a) For Soft Soil

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Extra for treatment of soil by using salt & charcoal or coke for plate electrode

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments body to earth busbar including S&F 20 mm x 3 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.