Central Coalfields Limited has published Tender For Installation Of 11 Kv Vcb And 250 Kva Distribution Transformer With Bus Bar At Gm(K) Unit Colony Under Kuju Area. Submission Date for this Tender is 02-08-2023. Circuit Breakers Tenders in Ramgarh Jharkhand. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Installation of 11 KV VCB and 250 KVA Distribution Transformer |
| 2 | Supply & Fixing of Pad/Palm connector |
| 3 | Supply & Fixing of Pipe to pipe connector |
| 4 | Supply & Fixing of Support connector |
| 5 | Supply & Fixing of Post Insulator |
| 6 | Supply & Fixing of Bi-Metalic connector |
| 7 | Supply & Fixing of Nut & Bolts |
| 8 | Supply & Fixing of Alloy aluminum pipe 48.3 mm dia inner dia 40.8mm wall thk 3.6mm |
| 9 | Supply & Fixing of 11 KV grade Isolator 630Amp horizental type |
| 10 | Supply & Fixing of 11 KV DO Fuse set |
| 11 | Supply & Fixing of limit switch |
| 12 | Supply & Fixing of Enamel Paint |
| 13 | Supply & Fixing of Red oxide paint |
| 14 | Supply & Fixing of Cable 2.5sq mm x 2 core copper |
| 15 | Supply & Fixing of Auxilary Contractor 4 No + 4 Nc 4 pole |
| 16 | Supply & Fixing of Lighting Arrestor Station Type 11 KV |
| 17 | Supply & Fixing of Support Insulator |
| 18 | Installation of 11 KV VCB and 250 KVA Distribution Transformer |
| 19 | Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required |
| 20 | Supply & Fixing of Aluminium Unarmoured cable single core1100 voltage grade35 sq mm |
| 21 | Providing and laying in position cement concrete of specified grade excludingthe cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size)For Switch 3 Mtr X 2 Mtr X 0.24 Mtr = 1.44 CUMFor Transformer 2 Mtr X 2 Mtr X 0.24 Mtr =0.96 CUM For Mess 0.25 Mtr X 0.25 Mtr X 0.25 Mtr X 30 Nos= 0.46 CUM |
| 22 | Brick work with common burnt clay modular bricks of class designation7.5 in foundation and plinth in:Cement mortar 1:4 (1 cement : 4 coarse sand) For Switch 3 Mtr X 0.24 Mtr X 1.5 Mtr X 2 Wall =2.16 CUM1.76 Mtr X 0.24 Mtr X 1.5 Mtr X 2 Wall =1.26 CUM For Transformer 2 Mtr X 0.24 Mtr X 1.5 Mtr X 2 Wall = 1.44 CUM 1.76 Mtr X 0.24 Mtr X 1.5 Mtr X 2 Wall =1.26 CUM |
| 23 | Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m inwidth as well as 10 sqm on plan) including disposal of excavatedearth, lead upto 1.5 m, disposed earth to be levelledand neatly dressed. 2.8.1 Ordinary rock . 2.5 Mtr X 2.5 Mtr X 2 Mtr=12.50 CUM 3.5 Mtr X 2.5 Mtr X 2 Mtr=17.50 CUM |
| 24 | Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.For Transformer 1.76 Mtr X 1.76 Mtr X 1.24 Mtr = 3.84 CUM For Switch1.76 Mtr X 2.76 Mtr X 1.24 Mtr =6.02 |
| 25 | Welded steel wire fabric of required width having rectangular mesh painted with two or more coats of enamel paint of approved shade over a coat of primer (Priming & Painting to be paid for separately).Mess 17 Mtr X 4 Mtr =68 Mtr +20 Mtr X 2= 40 Mtr=108 Mtr / 27= 4 SQM X 209.25=837 Kg |
| 26 | Erection of pole of following length in cementconcrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc. as required.Above 10.00 metre and upto 12.00 metre |
| 27 | Supplying and erection of 11 KV pin insulator complete with largesteel head G.I. pin, nuts, washers etc. as required. |
| 28 | Supplying and erection of 11 KV disc insulator for 11 KV overhead lines with galvanised insulator fittings, ball and socket typeand complete with galvanised strain clamps, bolts, nuts, washers etc. as required. |
| 29 | Supply of G.I. wire |
| 30 | Erection of G.I. Wire No. 8 SWG including binding etc. as required |
| 31 | Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter andabove including binding etc. as required. |
| 32 | Supplying and erection of bow stay set complete (galvanised)with 19/20 mm dia X 1.8 metres long stay rod, anchor plate ofsize 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle( 20 mm X 60 cm ), 7/ 4.00 mm dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coarse sand: 6 graded stone aggregate 40 mm nominal size ) foundationincluding excavation and refilling and also with 0.6 m long braceof size 50 mm X 50 mm X 6 mm angle iron with 50 mm dia pulleyfixed at one end of the brace as required. |
| 33 | Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg permetre) cross arm for 4 wire over head line complete with clamps,bolts, nuts and washer etc including drilling of holes for insulatorpins etc (as per drawing) and painting with primer and finishedpaint as required |
| 34 | Supplying of two lengths of channel iron 75 mm X 40 mm X 6 mm(7.14 kg per metre) double pole cross arm for three wire 11KVover head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded onone side to the channel iron and with bolts and nuts on the otherside for tying the cross arms together, including drilling holes forinsulator pins/ fittings, bolts, nuts and washers etc (as per drawing)and painting with primer and finish paint as required. |
| 35 | Supplying and erection of a set of cross bracing FRLSame workfor 11 KV over head line double pole structure having four membersfabricated out of 50 mm X 50 mm X 6 mm angle iron to form a rectangle of minimum size 1400 mm width X 2500 mm height ,complete with 50 mm X 6mm M.S. flat iron clamps, bolts andnuts including drilling holes for insulator pins, bolts and nuts etc(as per drawing) and painting with primer and finish paint as required. |
| 36 | Supplying and erection of galvanised ‘D’ iron clamps completewith shackle insulator (100 mm X 110 mm), G.I. bolts, nuts andwashers, coach screws etc. as required. |
| 37 | Dismantling of over head lines comprising of copper/ aluminiumover head conductor, G.I. wire, cross arms, insulators etc. as required. |
| 38 | Dismantling of pole/ street light standard/ strut embedded incement concrete foundation etc. as required. |
| 39 | Febrication and errection work of iron and steel platform, column, bracing housting. Placing etc inculding cutting, hoisting ,fixing in position and applying a priming coat of approved steel priper using structure steel etc as required for gate |
| 40 | Febrication and errection work of iron and steel platform, column, bracing housting. Placing etc inculding cutting, hoisting , fixing in position and applying a priming coat of approved steel priper using structure steel etc as required (material iron and steel departmental supply) |
| 41 | Maintenance and reconditioning of 630Amp 11KV VCB |
| 42 | Supply & Fixing of Shunt Trip Coil 110V |
| 43 | Supply & Fixing of C.T 11kV CTR 60-30/5 |
| 44 | Supply & Fixing of Rectifier Unit 110V DC |
| 45 | Supply & Fixing of Auxilary Contractor 4 No + 4 Nc 4 pole |
| 46 | Supply & Fixing of Series trip Mechanism |
| 47 | Supply & Fixing of Earth Leakage Relay AC/DC Voltage Grade 110 Volt, Current Capacity 5Amps |
| 48 | Supply & Fixing of Selector Switch |
| 49 | Supply & Fixing of Amp meter |
| 50 | Supply & Fixing of Indicating lamp |
| 51 | Supply & Fixing of Fiber Glass Tape with Adhesive |
| 52 | Supply & Fixing of Support Insulator |
| 53 | Supply & Fixing of Fuse Base & Carrier |
| 54 | Supply & Fixing of Volt Meter |
| 55 | Wiring with ferruls & Lugs |
| 56 | Total impact of GST for the purpose of CTC |
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