BID NO-UED/232/2025-26

ERECTION PART 11/0.4kV,100 KVA Sub-Station

Erection charges for re-erection of dismantled structure of 11/0.4 kV, 250 kVA sub-station, including rotation of the structure and shifting by approximately 3 metres from its existing location, complete in all respects (All materials Re-Used ).

Providing and Fixing wooven mesh fencing along with Gate & locking arrangement (for more detail check attached drawing and measurement detail)

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand) : 8 graded stone aggregate 40 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement- All work up to plinth level :1:1.5:3 (1 cement : 1.5 coarse sand): 3 graded stone aggregate 20 mm nominal size)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. wherever required, all complete In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge Made of G.I. wire of dia 4 mm

Providing and fixing ISI marked M.S. pressed butt hinges bright finished with necessary screws etc. complete 100x58x1.90 mm

Providing and fixing ISI markedoxidisedM.S. sliding door bolts with nuts and screws etc. complete : 250x16 mm

construction of Trasformer Plinth as per drawing/detail attached

SUPPLY PART. 11/0.4kv,250 kva Sub=Station

Distribution Transformer (Ordinary) 11/0.4 KV, 250 KVA

Steel Tubular Poles (9 m, Working load>200Kgf/m2)

Muffs with concrete filling

X-Arm (Channel Iron (100X50X6mm) Length 2800mm X 2 No's) for incomer Line.

MS Angle Iron (50X50X5mm) Length 2800mm x1 No's for LA's .

X-Arm (Channel Iron (75X40X6mm) Length: ( 2800mm x 4 No's) for supporting DO fuse unit & GO switch

Transformer LT Distribution Box and GO Switch fixing Assembly

MS Angle Iron (50X50x6 mm), Length: (2800 mm) x 2 Nos

MS Angle Iron (50X50x6 mm), Length: (450 mm) x 1 Nos

GO Switch Handle Supporting: [Channel Iron (75x40x6 mm), Length: 460 mm

GO AB Switch Unit (11kV, 400A, 25 KA) Tripple pole O/D type

D.O Fuse Unit

Surge Arrester, 9 kV Station Class (Porcelain Type)

Discs insulator sets (comprising 1 No. Disc: ^^(Porcelain, BS, 12 kV, 90 kN) including Dead End Clamps etc.)

Stay set complete

Stay Wire (7/3.15 mm) (7.0 kg per Stay Set)

Pipe Earthing Set

LT Distribution Panel Box with With CoppPer thimbles of 200 Amp, Insulating sleeves etc. MCCB 400 amp 3P 50kA -1 No. ICS 100 % ICU & MCCB 250 Amp 36 kA =3 nos

Half Clamp (M.S. Flat 50X6 mm)

Full Clamps (M.S. Flat 50X6 mm)

Nuts and Bolts of Various Sizes (Galvanised / Coated) [Preferably 16 mm Φ or more (with flat and spring washers)]

Aluminium Thimble

Copper Thimble 200 amp

Danger Plate

Barbed Wire

LT Cable (3.5 Core) 70 mm

LT Cable (3.5 Core) 120 mm

Energy Meter (3-Phase, 4-Wire) DLMS compliant 50 A CT Type for 250KVA Transformer

Aluminium Paint.

Red oxide

LT Switched Capacitors 36- KVAr for 250 KVA (rate per KVAr)

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