Mahanadi Coalfields Limited has published Supply, Installation, Commissioning And Testing Of Early Streamer Emission ( Ese ) Lightning Protection System And Franklin Lightning Protection System For Different Locations At Basundhara Area . Submission Date for this Tender is 11-03-2022. Lightening Protection Device Tenders in basundhara Odisha. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 01-Mar-2022 | ITEM DESRIPTION IN BOQ | Other | 11-03-2022 |
| Sl. No. | Item Description |
| 1 | Supply of metalic pole above 15 mtr & upto 16 mtr length |
| 2 | Erection of metallic pole of length above 11.0mts. and upto 13.0mts. in cement concrete (1:3:6) (1 cement : 3 coarse sand : 6 graded stone of 40mm. nominal size) foundation including excavation & refilling etc. as reqd. |
| 3 | Earthing with G.I. earth plate 600mm. x 600 mm. x 6 mm. thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr. long with charcoal / coke and salt as reqd. |
| 4 | Supplying and fixing 25mm X 5mm Copper strip at 0.50 metre below ground as strip earth electrode including connection/ terminating with nut bolt, spring, washer etc. as required (jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spased at 50mm) |
| 5 | Providing and fixing 25mm x 5mm Copper strip on surface or in recess for connections etc. as required |
| 6 | Providing and fixing of lightning conductor finial, made of 25mm dia 300mm long copper tube having single prong at top with 85mm dia 3mm thick copper base plate including holes etc. complete as required |
| 7 | Supplying of UL listed 17.2 dia 3 meters length copper bonded carbon steel core electrode tested according to IEC 625562-2.17 3000CCER with earthing enhancement compound tested as per IEC 62561-79ECS PB 12.5 universal SS clamp for making connection with cable/flats under floor earth pit inspection chamber complete set as required for chemical earthing |
| 8 | Testing, installation and commissioning of earth pit with accessories |
| 9 | Supply, installation, commissioning & testing of Early Streamer Emission(ESE) based lightning Arrestor with range min. 70m horizontal radius on the ground with its accessories with earthing (detailed specification mentioned at Annexure-B) |
| 10 | Supply, installation, commissioning & testing of Early Streamer Emission(ESE) based lightning Arrestor with range min. 107m horizontal radius on the ground with its accessories with earthing (detailed specification mentioned at Annexure-B) |
| 11 | Total impact of GST for the purpose of CTC |
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