Bharat Sanchar Nigam Limited-BSNL has published Tender For Providing New Earth/Improvement Of Earth Value, Providing Aviation Light/ Attending Faults Of Aviation Lighting, Providing/Correcting Lightning Conductor System In Various Bts Sites For Phase Ix.2 Project Under Ranipet District, Vellore. Submission Date for this Tender is 02-01-2024. LED Light Tenders in ranipet Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Reconditioning of existingEarth |
| 2 | Minor Reconditioning of Earthing system after survey and making good loose joints, conneting disjointed joints,Providing nuts bolts, springwashers, washers, and a strip up to 500 mm length,making good the watering pipe , watering etc,testing earth resistance for any improvement etc., as required. ( Note: After the said reconditioning , if Earth value not improved addl earthing is to be provided through item no 2.01or 3.01 and paid as per that items separately for addl earthing . The Engineer incharge decision for such a cases is final) |
| 3 | Earthing type II ( where nominal Space is available) |
| 4 | Earthingfor Equipment earthing /lightningconductorwith GI plate 600mm x 600 mm x 6mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr long with charcoal/ cock and salt etc. as reqd. |
| 5 | Providing and fixing 25mmx5mm G.I. stripon surface or in recess for connections up to earth busbaretc as reqd |
| 6 | Supplying and filling of low resistance , non corrosive earth conductivityenhancement compoundtransportation to site, mixing the compound with water and filling the earth with the compound as per site requirement. (M/s LPI RESLO 10 or M/s. Earth plus High grade Compound or similar supr.make make )(1 bag means Min. 20 Kg) |
| 7 | Supplying and laying of 40 mm dia "B" class GI pipe including necessary bend on the existing surface of wall with neat clamping / in the ground with necessary excavation and refilling work etc as reqd. (with ISI mark) |
| 8 | Cutting theexisting Cement Concrete flooring for required depth depth for laying of earth strip/cable /providing earthing including refilling the trench after completion of work with cement flooring with neat finishing as required |
| 9 | S/L of 1x10sq.mm copper wire with lug for both endfor loop earthing as required |
| 10 | Providing and fixing earth bus made of 50mmx6mm GI Busbar having a length of 450mm on surface of wall supported by suitable bakeliteinsualtors and clamping, drilling of necessary holes , bolts screws etc., complete as reqd. |
| 11 | EarthingType II (Where Spce is constraint) |
| 12 | RDSO approved Chemical earthingfor Equipment earthing /lightningconductor withearth electrodemade of high tensile low carbon steel circular rods, molecularly bonded with copper on outer surface to meet the requirements of Underwriters Laboratories (UL) 467-2007 or latest or IEC 62561 having high tensile strength of not less than 50kg /m2 , high corrosion resistant strength,by diggingand filling Earth enhancement compound together with back fill soil as per specification i/c providing masonay enclosure with cover plate etc. .(M/s CAFE or any RDSO approved Make) |
| 13 | Lightning conductor |
| 14 | Supplying of lightning conductor made of 25mm dia 900 mm long,copper hollow tube of minimum wall thickness of 1.6mm, multy prong and fixing on top of existing tower i/c pvdg necessary Teflon sleeve/suitlable insulation to avoid direct contact with the body of the tower etc. as reqd |
| 15 | Providing and fixing 25mmx5mm G.I. stripon surface or in recess as a lightning conductor for connections up to earth busbaretc as reqd |
| 16 | Supplying and fixing of 25mm epoxy type insulators for laying of earth strip on building wall including drilling holes to wall fixing etc as required. |
| 17 | Supplying and laying of 40 mm dia "B" class GI pipe including necessary bend on the existing surface of wall with neat clamping / in the ground with necessary excavation and refilling work etc as reqd. (With ISI mark) |
| 18 | Providing and fixing testing joint, made of 20mm x3mm thick, GI strip, 150mm long, with 4 nos. of GI bolts, nuts, check nuts and spring washers, 2Nos,25mm porcelain insulators etc. complete as reqd. |
| 19 | S/L of GIstrip of 50x3mm on surface of tower with 2 nos insulator with clampetc as required |
| 20 | Aviation Light |
| 21 | SITC of LED based Aviation obstruction lamp Red coloured light with inbuilt automatic daylight/nightredundant sensor twilight switch designed inaccordance with ICAO specification for Type B Aviation light, IP 66 Protection suitable for operation on 90-260V 1Ph AC supply ./ 25-50 Volts DCsupply as per requirement including fixing on the top of tower of not more than 100 mtr height with the suitable arrangement , making holes, nut & bolts etc., as reqd.( the input voltage requirement AC/DC as per the site requirement)(M/s Ray dyamics make model ,LIT32-XWB model or Smlr. supr. Make) |
| 22 | Supplying and Laying of 2 x 1.5 sq. mm Copper conductor armouredUGcable with ISI markOn thetower / Wall / shelter surface etc., including clamping and connecting the cable at boththe ends etc as reqd. |
| 23 | Prdg and fixing of SMC weather proof box with locking arrangement i/c supplying and fixing din channel arrangement with 1 No. 6A SP MCB & neutral link in thebox I/c interconnections, ect as reqd. |
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