HED/345/2025-26

Erection Part of 11 KV HT Line T.S.No 38/2024-25

Erection of S.T Single Pole 9 Mtr. Long :- Digging of Pit,fixing of insulator, disc and drilling of holes in X-Arm , Bracing Set, Top Clamp, erection of pole, fixing of barbed wire and danger plate, filling of Pit, Alluminium Paint and ramming & painting of poles complete in all respect.

Erection of S.T Double Pole 9 Mtr. Long for Tapping Structure :- Digging of Pit fixing of insulator, disc and drilling of holes in X-Arm , Bracing Set, Top Clamp, erection of pole, fixing of barbed wire and danger plate, filling of Pit, Alluminium Paint and ramming & painting of poles complete in all respect.

Erection of Earthing Set.:- Fixing of earthing pipe of pit for coal earthing, fixing of G.I wire to system filling of pit and remaning work complete in all respect.

Erection of Stay Set HT:- Digging of Pit fixing of Stay Rod, filling of Pit, Nozeiling & Tightning complete in all respect.

Stringing and sagging conductor:- Laying of conductor (AAAC 7/3.81 mm 80 mm²) stringing and sagging, binding with insulator complete in all respect.

Laying of G.I Wire, Stringing, Sagging and binding complete in all respect.

Erection of GO switch complete in all respect.

Erection of DO Fuse complete in all respect.

Fixing jumper complete in all respect.

Prov. Filling of concrete in RCC muffs complete in all respect.

Erection Part of 11/0.4 KV, 250 KVA Transformer T.S.No 38/2024-25

Erection of 250 kva S/Stn. Str.:-Digging of Pit for Steel Pole and earthing, drilling of holes in X-arm, preparation of plate form str. Member CI, AI i.e X-arml, Knee bracing set, erection of D-pole,errection of plate form, ercetion of x-Arm, drop out, fuse unit, linghting arrestor, MCCB Switch of LT Box, Energy Meter, Erection of T/F, and earthing conn. to T/F G.O Switch lightning etc. erection of Stay Set, Erection of Jumper, ., Erection of LT cable, brabed wire and painting, 3 Nos. earthing to S/Stn. by prov. 50Kg Salt charcole in each earthing i/c construction of trench for earthing as per REC Board Standard complete in all respect. (Erection of 250 kva)

Plinth foundation & Chain Link Fencing

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m 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 soil as directed, within a lead of 50 m. All kinds of soil.

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)

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Providing and laying cement concrete 1:2:4( 1 cement, 2 sand, 4 graded stone aggregate 20mm NS) and curing complete in plinth and foundation

Providing mild steel/Tor steel reinforcement for R.C.C. work including bending, binding and placing in position complete upto floor two level.

Centering and shuttering including strutting, propping etc and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Extra for providing and fixing expanded metal mesh of size 20x60 mm and strands 3.25 mm wide 1.6 mm thick weighing 3.64 kg per sqm for encasing of rolled steel sections in beams, columns and grillages, excluding cost of hangers.

Painting (two coats) excluding priming coat on new steel and steel based surface after and i/c preparing the surface by thoroughly cleaning, oil, grease, deit and other foreign matter sand papering and stopping with ready mixed paint other than white

P/F oxidised M.S. sliding door bolt anodized colour & shade with bolts & nuts screws etc. complete (250*16mm)

P/F oxidised M.S. handle with necessary screws etc. complete (125mm)

Transportation and Loading of materials sub-station materials on truck at Divisional Store and same material unloading at road to site of work with manual carriage.

Supply Part of 11 KV HT Line

Prov. Steel Tubular Poles (9m, Working Load > 227kgf/m²) with Steel cap & Base Plate

Prov. RCC Muff

Prov. concrete filling in RCC muff

Prov. (AAAC 7/4.26 or 6/1/4.72) (100mm²) mm Conductor

Run Through Str. ( ∆) Formation on Singlr Pole Str.

Prov. Cross Arm (Channel Iron (100x50x6) Length 1270 mm for single pole

Prov. Angle Iron (50x50x6mm) Leggth 750 mmx 2*2 nos structure

Prov. Pole Top Bracket (MSCI) (100X50X6 mm) Length 100 mm

Prov.11kv Pin Insulator with pin complete in all respect

HT Stay /guy Arrengement

Prov. Stay set complete

Prov. Stay Wire HT (10.0 kg Per Stay Set)

Earthing

Prov.11kv Earthing set complete in all respect.

Prov.G.I.Wire No. 8 SWG in mtr.

Prov.Eye/Earth Hook

Prov.MS Half Clamp

Prov.MS Full Clamp/stay

Prov.11kv Danger Plate (250x200x1.6 mm)

Prov.Nuts and Bolts of Various Sizes

Prov.Barbed Wire

Prov. Aluminium Paint.

Prov. Red Oxide

Tapping Str. Supply Material T.S.No 38/2024-25

Prov. Steel Tubular Poles (9 m, Working Load > 200 kgf/m²) with Steel cap & Base Plate

Prov. RCC Muff

Prov. concrete filling in RCC muff

Prov.Belt set -MS Angle Iron 50x50x6,Length 1800mm x2No.

Prov.X-Bracing set -MS Angle iron 50x50x6,length 2125mmx2no

Prov.X-Arm (Horizontal )Ms Channel (100x50x6,Length 2340x2mm2no formation

Prov.11kv Earthing set complete in all respect.

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

Prov. X-Arm: [Channel Iron (75x40x6 mm), Length : 2800 mm X 4 Nos] for supporting DO fuse unit & GO switch

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

Prov. D.O Fuse Unit

Prov. Stay set complete

Prov. Stay Wire HT (10.0 kg Per Stay Set)

Prov.Discs insulator sets on Dead End structures (comprising 1 No. Disc: ^^(Disc Polymeric,TC, 90 KN ) including Dead End Clamps etc.) x (3 No. conductors) x (2 No. sides)complete for double pole str in all respect.

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

Prov. Full Clamp (M.S. Flat 50X6 mm)

CT/PT Str. Supply Material

Prov. Steel Tubular Poles (9 m, Working Load > 200 kgf/m²) with Steel cap & Base Plate

Prov. RCC Muff

Prov. concrete filling in RCC muff

Prov. MS Angle Iron (50X50x6 mm), Length : 2800 mm x 1 Nos for LA.

Prov. X-Arm: [Channel Iron (75x40x6 mm), Length : 2800 mm X 4 Nos] for supporting DO fuse unit & GO switch

Transformer Belting & Knee Bracing

Prov. X-Arm [Channel Iron (100x50x6 mm), Length : 2800 mm x 2 Nos for Transformer Bed]

Prov. X-Arm [Channel Iron (100x50x6 mm), Length : 460 mm x 2 Nos for supporting main channel of Transformer]

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

Prov. MS Angle Iron (35X35x5 mm), Length : 460 mm x 2 Nos

Prov. MS Angle Iron (50X50x6 mm), Length: 950 mm x(2 Nos for Bed Knee Bracing)

Prov. D.O Fuse Unit

Prov. GO AB Switch Unit (11kV, 400A, 100 KA) Tripple Pole O/d Type

Prov. Surge Arrester, 9 kV Station Class (Porcelain Type)

Prov. Discs insulator (comprising 1 No. Disc: ^^(Porcelain, BS, 12 kV, 90 kN) CD- 400mm

Prov. Stay set complete

Prov. Stay Wire (7/3.15 mm) (10.0 kg Per Stay Set)

Prov. Pipe Earthing Set

Prov. 6 SWG GI wire For Earthing

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

Prov. Full Clamp (M.S. Flat 50X6 mm)

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

Prov. Aluminium Thimble

Prov. Copper Thimble 200 Amp

Prov. Danger Plate

Prov. Barbed Wire

Prov. Aluminium Paint.

Prov. Red Oxide

Transformer LT distribution Box & GO Switch fixing Assembly

Prov. Distribution Transformer 11/0.4 KV, 250 KVA

Prov. Panel (Distribution Box LT MS Sheet of 1.6 mm ( 1100x800x275 mm ) cubide Box complete with stand etc and Al Busbar 40x6 mm (min. 100 Amp ) , AI 50X50X6 mm of length 2.2 Mtr inside .painted /powder coated after primar coating 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 for 250 KVA DTR

Prov. Pipe Earthing Set

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

Prov. Aluminium Thimble

Prov. Copper Thimble 200 Amp

Prov. Danger Plate

LT Switched capacitor 415 V, 81 kVAr for 250 KVA DTR

Prov. LT Cable 3.5 x 185 mm2 1.1 KV cable Unarmoured

11 KV HT, 3-ɸ, 3/4 wire CT-PT operated Static TriVector meter (PT ratio-/ 110 V, CTratio-/5 A), Accuracy Class: 0.5S, Category-C, DLMS Compliant with RS 232 & RS 485 port of make from approved vendor of HPSEBL with testing report from M & T , HPSEBL

Providing CT/PT unit of 30/5 A (11 KV) of make from approved vendor of HPSEBL with testing report from M& T department of HPSEBL

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