Mahanadi Coalfields Limited has published Supply, Installation, Commissioning And Testing Of Earth Pit, Early Streamer Emission ( Ese ) Lightning Protection System And Franklin Lightning Protection System For Different Locations Of Mine And Offices At B ( W ) Ocp, Mahalaxmi Area . Submission Date for this Tender is 26-04-2022. Lightening Protection Device Tenders in mahalaxmi Odisha. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 22-Apr-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 26-04-2022 |
| Sl. No. | Item Description |
| 1 | Supply of Swaged type Tubular metallic pole above 15 mtr & upto 16 mtr length, Designation:410-SP78, 16mtr length Length of sections: bottom-7m, Middle-4.50m, Top-4.50m Outside dia. & thickness of section: bottom-193.7x5.90mm, Middle-165.1x5.40mm, Top-139.7x4.50mm Approx. weight of pole:367kg |
| 2 | Erection of metallic pole of length above 15.0mts. and upto 16.0mts. 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 Copper 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 | 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) |
| 8 | Total impact of GST for the purpose of CTC |
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