Tender for Repair and Restoration of 250KVA 11 KV DTR LWSS IPH Talogi Matarna alongwith CTPT unit washed away due to flash flood heavy rainfall on dated 08 07 2023 to 10 07 2023 in E Section HPSEBL Mohal under ESD HPSEBL Bhuntar

Supply Part:-

Distribution Trasformer :-

Equipments and switchgear (250 KVA DTR cum metering strcuture ) :-

Supply including Design, engineering, manufacture, assembly, inspection, testing and delivery of ISI marked, non-sealed, oil immersed, ONAN type, 50 Hz. double wound, 3-phase- 11/0.433KV, 250KVA, outdoor type distribution transformers, for use in power distribution system.

Supply of 11KV 400 A, 25kA G.O. switches (porcelain insulator type) complete with manually operated equipment and accessories required for their satisfactory operation for their use on distribution sub-station and tapping /sectionalizing points of 11 KV lines.

Supply of 11KV, outdoor, open, dropout (D.O.) explusion type fuse units, complete with manually operated equipment and accessories required for their satisfactory operation for their use on distribution sub-station and tapping /sectionalizing points of 11 KV lines.

Supply of 9kV, 10 kA Porcelain Station Surge Arresters complete with accessories for 11KV system

Supply of LT Distribution Panel Box cubical suitable for 250 KVA Sub station, size 1100x800x275mm +/- 5% made of steel sheet of 1.60 mm thickness having double door locking arrangements duly powder coated painted complete with 1 No. incomer 400 Amp. MCCB3 pole 50 kA L& T /Havel /Schneider / ABB or equivalent make , 3 phase and neutral air insulated colour coated aluminium bus bar of 600 Amp. rating capacity 1 set of digital type Amp. meter and Volt meter, outgoing 2 No. 350 Amp. 3 pole MCCB breaking capacity 50 kA of make L& T /Havel /schneider / ABB as per detailed specification .

Poles & Conductor/cable :-

Supply of 9.00 Mtr. Long ISI marked swaged steel tubular pole as per IS: 2713/1980 (Part-II) as amended from time to time, along with Cap Welded on top & Cast iron Base plate of designation 410SP-32.

Supply of RCC pipe (Muff) ISI marked suitable for different sizes of steel poles. 2000 mm in length and 25 mm thick with 250 mm internal dia duly fabricated by using un-galvanized MS wires of 12 SWG rings and 6 mm MS round in vertical direction conforming to ISI 458-1988 or latest version if any.

Supply of ACSR "Rabbit" conductor of size 6/1/3.35 mm (50mm2) conforming to IS-398 (Part-II)/1996 with upto date amendments.

Supply of ISI Marked multi core 1.1 kV LT Un-Armoured (Heavy Duty) 3.5 C X 185 mm2 PVC sheathed AL Conductor Cable confiming to IS-7098 Part-I/1988 to (with latest ammendment )

Supply of ISI Marked multi core 1.1 kV LT Un-Armoured (Heavy Duty) 3.5 C X 70mm2 PVC sheathed AL Conductor Cable confiming to IS-7098 Part-I/1988 to (with latest ammendment )

Supply of PVC Multistrand 4 mmsq copper wire with Ø-1 inch GI pipe for conceiling

Insulators:-

Supply of 11 KV Disc insulator B&S type conformimg to IS-731/1971 all latest version thereof for suspension & tension string ball and socket type having pin ball. The minumum and maximum creepage distance with diameter of insulator- 225 mm & having electromechanical strength 90KN. The insulator shall have W type phosphors bronze security clips for ball socket porcelain conforming IS: 2486-1971 (90KN) complete in all respect. Moderately polluted atmospheres Creepage distance 320mm

Fittings and accessories :-

Stay Sets:-

Supply of Stay Set Suitable for 11KV & DTR made of M.S. Round 1800mm in length, 18mm dia having threads up to 300mm on one end with one nut and one check nut to avoid slippage and eye of 40mm dia on other side and welded confirming to REC specification. Elbow made of MS channel iron 75x40x6mm, 250mm long and M.S. Round 18mm dia, vertical height 450mm, both ends bend after putting in two holes in channel iron taking the ends out 25mm minimum in length and welded with channel iron. One anchor of Angle Iron 65x65x6mm, 750mm in length with one hole of 20mm dia in the centre. The complete stay set shall be painted with superior quality black Japan paint.

Stay Wire:-

Supply of Galvanized Stay Strand conforming to ISS-2141/1992 Edition 2002-05 (with upto date amendments) with heavy coating Zinc hot Dip Galvanized as per ISS-4826/1979 (2001-06) (latest)of following grade and size:- Grade -4 Size 7/3.15mm (7/10SWG)

EARTHING:-

Supply of Earthing set suitable for Metering point/ Substations made of GI pipe 38 mm dia (internal dia) wall thickness 3.25 mm, Medium quality pipe of standard make conforming to IS: specifications 3000 mm long without GI Socket closed at top. Pipe shall have holes of 12 mm dia every 150 mm apartthroughout the length and staggered diameterically. Full clamps of MS Flat 40x3 mm fitted at the top end of the pipe along with bolts nuts of size 50x12 mm and washers for fixing the clampson the pipe. Bottom end of the pipe shall be weilded with MS Plate of Size 300x300x6mm.

Supply of ISI marked Galvanised Mild Steel wire conforming to ISS-280/1978/2006 (with up to date amendments ) for general engineering purpose, having fine finish, hot dip galvanised, with heavy coating of Zinc as per ISS-4826/1979 (2001-06)(latest) in soft condition and of size 4.00 mm (8 SWG)

Supply of MS Channel 100x50x6 mm Cross Arm: Fabrication and supply of Cross arms suitable for 11 KV made of only TATA/SAIL/RASHTRIYA ISPAT M.S. Channel Iron 100x50x6 mm Cross Arm, suitable for fixing on both Steel and PCC Poles whatever is required single/double pole structure of 11KV line with holes at suitable places wherever required to adjust 5/8” dia nuts and bolts, clamps, pin insulators, ball cleaves, eye socket and washers. The weight of MS channel should be strictly 13.10 Kg per meter with a variation of +/-5%. The Cross Arm should be duly painted with two coat red oxide paint of superior quality:

2800 mm long .

460 mm for supporting main channel of Transformer

Supply of MS Channel 75x40x6 mm Cross Arm: Fabrication and supply of Cross arms suitable for 11 KV made of only TATA/SAIL/RASHTRIYA ISPAT M.S. Channel Iron 75x40x6 mm Cross Arm, suitable for fixing on both Steel and PCC Poles whatever is required single/double pole structure of 11KV line with holes at suitable places wherever required to adjust 5/8” dia nuts and bolts for supporting GO Switch / DO Fuse units. The weight of MS channel should be strictly 7.14 Kg per meter with a variation of +/-5%. The Cross Arm should be duly painted with two coat red oxide paint of superior quality:

2800 mm for G.O. Switch and D.O. Fuse Unit

460 mm for GO switch handle supporting

Supply of MS Angle Iron 50x50x6 mm :Fabrication and supply of members made of only TATA/SAIL/RASHTRIYA ISPAT M.S. Angle Iron 50x50x6 mm, suitable for fixing on Steel double pole structure of 11KV structures with holes at suitable places wherever required to adjust 5/8” dia nuts and bolts. The weight of MS Angle Iron should be 4.5 Kg per meter with a variation of +/-5%. The member should be duly painted with two coat red oxide paint of superior quality:

2800 mm for supporting LA, LT Distribution Box & knee bracing

950 mm for bed knee bracing

450 mm long

Supply & Erection of MS Angle Iron 35x35x6 mm :Fabrication and supply of members made of only TATA/SAIL/RASHTRIYA ISPAT M.S. Angle Iron 35x35x6 mm, suitable for fixing on 11kV Steel double pole structure with holes at suitable places wherever required to adjust 5/8” dia nuts and bolts. The weight of MS Angle Iron should be 2.5 Kg per meter with a variation of +/-5%. The member should be duly painted with two coat red oxide paint of superior quality:

460 mm long

Supply of M.S. Hexagon Bolts and Nuts with washers conforming to ISI-1363-1992 off size

Supply of Danger Plate Size: 250x200x1.6 mm made of mild steel plates 1.6 (minimum) thick vitreous enameled white letter figure, conventional skull and X-Boxes and signal red colour on front side for use in HPSEBL. The rear side of the plate shall be black enameled and conforming to IS specifiction no. IS-1351/1982 suitable for 11KV .

Supply of Galvanised steel barbed wire of 9.8 kg /100metre

Supply of Half Clamp (MS Flat 50x6mm)

Supply of Full Clamp (MS Flat 50x6mm)

Supply of Aluminium Thimbles suitable for LT cable

Supply of Copper Thimbles suitable for LT cable

Supply of Aluminium Paint for all poles and steel fitting

Supply of Red oxide for all poles and steel fitting

Suuply of capacitor Bank 415 V for 250 KVA DTR (81 KVAr )

Supply of Copper wound combined C.T.P.T. units for metering purpose , O/D installations, oil immersed hermerically sealed having accurancy class 0.5S consisting of 3 current Transformers for R/Y/B phases along with 1 No. 3-phase Star/Star potential transformer conforming to relevant ISS/IEC specifications of voltage ratio 11 kv /110 V and CT :15/5A )

Supply of ISI marked , 3 phase , 3/4 wire , HT Static DLMS Compliant Tri vector Smart Meters of accuracy class 05S having PT ratio -/5 Ampere with cellular based communication technology "Category D3"

Erection of Distribution Transformer (250 KVA DTR cum metering strcuture ) :-:-

Erection of 250KVA , 11/0.433KV DTR on plinth , CT PT unit , complete viz digging of pit for poles & earthing (2 No. for pole & 3 no. for earthing), Drilling of holes in X arms & poles Prepration of plateform structure member CI, AI i.e. X-arm & Knee bracing set, Erection of Double Pole Structure, Concreting of RCC Muff with c:c 1:3:6 (1 cement :3 sand :6 aggregate 20 mm nomial size with curing complete etc.) , Erection of plateform, Erection of x-arms, Erection of G.O. Switch, Erection of Drop-Out Fuse Unit, Erection of Lightning arrestor, Erection of LT Box, Providing Earthing connection including G.I.Wire to G.O Switch, Transformer, Lightning arrestor, etc , Erection of 4 Nos. Stay set , Erection of Jumper, Pipe Earthing 3 No. sets , Laying of LT Cable, Barbed wire , painting & erection of energy meter HT complete in all respect.

Civil Works (Foundation of DTR) :-

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 kind 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 :1:3:6 (1 Cement : 3 coarse sand): 6 gradedstone 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).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand) : 4 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for :

Foundations, footings, bases of columns, etc. for mass concrete.

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more.

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.

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.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Supplying and stacking at site:- Bajri Spreading of stone aggregate 20 mm thick.

Providing and fixing ISI marked oxidised M.S. sliding door bolts with nuts and screws etc. complete :300x16 mm.

Providing and fixing ISI marked oxidised M.S. handles conforming to IS:4992 with necessary screws etc. complete : 125 mm.

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