Central Coalfields Limited has published Repair And Maintenance Of 3 Phase X 5 Wire System Lt Over Head Line From Transporting Road Near G.M Office To Intake Well And 3.3Kv Over Head Line From Intake-Well To Termination Point In Bocm Pond Under G.M Unit Piparwar Area . Submission Date for this Tender is 21-02-2022. Overhead Line Tenders in piparwar Jharkhand. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supplying and erection of stay set complete (galvanised) with 19/20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 3.15 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 ) foundation including excavation and refilling etc. as required. |
| 2 | Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) cross arm for 4 wire over head line complete with clamps, bolts, nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint as required |
| 3 | Erection of angle iron/ channel iron cross arm on wood/ RCC/ PCC/ steel tubular/ rail pole etc. as required. |
| 4 | Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required. |
| 5 | Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required. |
| 6 | Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) V shape cross arm for two 11 KV over head line conductors complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required. |
| 7 | Erection of ACSR conductor of 7/2.11 mm to 7/3.00 mm diameter including binding etc. as required.(3.3 kv line 5 span x50 mtrx3 wire=750 mtr & 440 volt 10 span x35 mtr x 5 wire=1750 mtr. Total 2500 mtr conductor x .214 kg/ mtr = 535 kg |
| 8 | Painting of pole |
| 9 | Jumfaring of conductor |
| 10 | Supply of 6 SWG G.I wire( 5 span x 50 mtr=250 mtr, 2 span x35 mtr=70 mtr total 320 mtr. X3 wire=960 mtr x.192 mtr. /kg=184.32 |
| 11 | Erection of G.I. Wire No. 8 SWG including binding etc. as required. |
| 12 | Branch cutting of tree under O/H line 480 mtr x 3 mtr wide 1440 |
| 13 | Total impact of GST for the purpose of CTC |
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