379/PR/JUSNL/2026-27

Tender Inviting Authority: General Manager, Transmission Zone-VIII, Chaibasa

e-NIT no.: 379/PR/JUSNL/2026-27

Name of the Bidder/ Bidding Firm / Company :

Name of the work :-Overhauling, testing etc. of one no. 132/33 KV, 50 MVA IMP make Power Transformer no-2, Sl. No.-PT 7274 of 132/33 kV Grid Substation, Manoharpur including oil filtration painting, erection, dismantling, replacement of damaged/worn out part, copper strip earthing etc. all complete job.

SL. No. Descriptions Unit Qty Rate to be quoted by the bidder Amount

1 Shifting, loading dragging of dismantelled accessories of transformers like radiator, conservator tank, pipe line, fans, headers, DM box, FCC, oil barrels etc., from place of storage to work spot and vice versa of transformers. for 50 MVA 132/33 KV PTR, 2 Nos. job required during dismantiilng & Erection for each transformer. Job 2

2 Transportation of GIS equipments /Transformer's accessories/fittings per truck (9 MT capacity) per Km including loading & unloading of the equipment/materials (for transportation of 20 KL tank and nitrogen cylender transportation UPTO 200 Km (Jamshedpur to Manoharpur) Km 180

3 Filling of dry nitrogen gas in transformers (20 Cylinders for each transformer)Capacity per cylinder 52 Kg nos. 20

4 Dismentalling of accessories and Erection Testing & charging of 50 MVA Power Transformer, including radiators, inspection chamber pocket, OLTC chamber, all conservator tank, air seal, HV & LV Bushing, MOG, Breather, transformere protection relay & Safety Valves, Local Control Panel, Nitrogen Purging & Dryer Plant Application & Vaccume Operation for dew point value, NIFPS system integration, including hiring charges of overhead crane of suitable capacity all complete job as per direction of Engineer In Charge. no 1

5 Rate of replacement of gasket along with supply of Gasket of

a Radiator no 10

b HV Bushing no 3

c LV Bushing no 3

d HV/LV Neutral Bushing no 2

e Conservator Tank no 1

f Oil Level Gauge no 2

g Silica Gel Pot no 2

h Replacement of gasket of door of marsheling box & OLTC Control Cable no 1

i Inspection cover, Main Hole Cover, Valves, Connecting Pipes, Tightening & Terminal arangement of buchholz relay, OTI, WTI. no 1

6 Filteration of transformer oil machine supplied by the firm Ltr 17150

7 Hiring Charges of 20 KL Oil Tank for storage of Transformer oil during Dismantaling & erection work of Power Transformer, Oil filteration & Nitrogen purging process, at GSS Manoharpur. LS 20

8 Complete oil drain/storage & Re-filling in power transformer (qty. is for complete filteration cycle till the desired BDV value achieved) KI 34.3

9 Refilling of Fire Extinguisher for Nitrogen Injection Fire Protection System 10 cum nitrogen at 150 kg/sq cm pressure (Fire Extinguisher Medium Nitrogen Gas.) Kg 118.5

10 Engineer Service Charge for consulatation with ie OEM for 50 MVA Power Transformer during installation testing and commissioning of transformer and its NIFPS System Engineer Service charge per engineer/ per call 4

11 Transformer Bushing/ CT Connector for ZEBRA conductor with bronze mounting (As per site requirement) nos. 6

12 Welding Chagres mm 10000

13 Construction of Copper Earthing

A Supply, Installation, Testing connection & commissioning of conventional earthing type earth pit & cast iron (CI) hinged to CI frame, complete set with 3.6 mm Gl pipe in pipe type power grip electrode of 12 ft long and dia 3" (Tata Make) including making 10mm dia hole for taking moisture in soil with GI bus bar and terminal strip. Filling of mixture (Charcoal+ salt of 2:1 ratio with 30% Bentonite powder) up to 6 feet. nos. 3

i Fitting of copper plate size 2ft x 2ft x 10mm (As per drawing). nos. 3

ii 75x10 min cu flat @ Per meters (Make-Jindal/Essar) Test report must be submitted in E/I Mtr. 60

i Earth work in excavation in foundation trenches in ordinary soft..... etc as per direction of E/I 06 nos x 2'6"x2'6"x12"=450 cft = 12.74 m3 M3 6.37

ii Providing coarse clean sand in filling in foundation trenches or in plinth including ramming..... etc as per direction E/1. 06 nos x 2'6"x2'6"x 6"=18.75 cft=0.531 m3 M3 0.27

iii Providing designation 75A one brick flat soling joints filled with local sand..... etc as per direction of E/l. 06 nos x 2'6"x2'6"=37.5 sqft=3.48 m2 M2 1.74

iv Providing designation 75A one brick work in CM (1:4) in foundation..... etc as per direction of E/I. 06 nos x 10"x5"x2'6"= 62.49 cft = 1.77 m3 M3 0.89

v Providing RCC (1:5:3) with approved quality of stone chips 20mm to 6mm size graded… etc as per direction of E/I. 06 nos x 2'6" x 2'6" x 4" = 12.53 cft = 0.356 m3 M3 0.18

vi Providing 12mm thick cement plaster (1:4) with clean coarse sand of FM 1.5 on brick work … etc as per direction of E/I. 06 nos x 2 x10' x 2'6" = 300 sq. ft. = 27.87 m2 M2 13.94

vii Carriage of sand, brick, cement, stone chips for … etc all materials from market to site Job 1

14 Painting of Transformer body and accessories

(a) Labour charge for cleaning, brushing & scraping old paint as per direction of E/I. M2 1137.68

(b) Providing primer one coat red oxide paint in main tank and other parts M2 1137.68

( c) Spray painting two coats with enarmel paint of main tank and other parts. M2 1137.68

Labour cess @1%

Total Quoted value

Note:-Only blue colour cell to be filled by the agency.