Bharat Sanchar Nigam Limited Tender
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Bharat Sanchar Nigam Limited - BSNL Tender
Telecommunication Services
Eprocure
Opening Date10 Jan 2024
Closing Date19 Jan 2024
Tender Amount₹ 26,82,330
Costs
EMD
₹ 53,647Document Cost
₹ 590Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_BSNL_181058_1Tender No
26 / SEE BSNL EC / MA / 2023-24Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://etenders.gov.in
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Documents
Providing Tower earthing, Aviation Light and Lightning Arresters in the proposed 4G Sites under Phase IX.2 project Under Trichy Business Operation Area. Phase 2 Rate Contract.
Providing Tower earthing, Aviation Light and Lightning Arresters in the proposed 4G Sites under Phase IX.2 project Under Trichy Business Operation Area. Phase 2 Rate Contract.
BOQ Items
Earthing type I ( where more space available)
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Earthing for Equipment earthing /lightning conductor with 4 Nos hot Dip GI plates of size 600 mm x600 mm x6 mm each inter connected with each other with GI strip as per the specifications /drawing of Multiple plate earthing attached including Excavation & Refilling by Ramming layer by layer for compactness & cohesiveness of Earthing pit of Size 2Mtr X2Mtr x3Mtr. depth & removal of excess earth material after completion of work from the site, Supply of Charcoal, Coal of Medium Size ( 200 Kg) ,Salt 20 Kg & Refilling by Ramming layer by layer , supply of with Nuts, Bolts, washers, 25 mm watering pipe, funnel, masonry enclosure with cover plate etc., as required. (interconnecting GI strip shall be measured in item 2.02 Below)
5
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Providing and fixing 50 mm x 3 mm G.I. strip on surface or in recess for connections up to earth bus bar etc as reqd
25
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Providing and fixing earth bus made of 50mmx6mm GI Bus bar having a length of 450mm on surface of wall supported by suitable bakelite insulators and clamping, drilling of necessary holes, bolts screws etc., complete as reqd.
30
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Supplying and laying of 75 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. (M/s ISI)
50
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Providing masonry enclosure for existing earth pit with Cast Iron/ M.S.hinged / RCC cover plate, i/c sign writing on the earth pit etc as required. (size of masonry enclosure 300mmx 300mm approximate).
50
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Earthing type II ( where nominal Space is available)
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Earthing for Equipment earthing /lightning conductor with 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 without charcoal/ cock and salt )etc. as reqd.
50
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess for connections up to earth bus bar etc as reqd
75
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Supplying and filling of low resistance , non corrosive earth conductivity enhancement compound transportation 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)
20
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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. (M/s ISI)
75
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Cutting the existing 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
20
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S/L of 1x10sq.mm copper wire with lug for both end for loop earthing as required
100
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Providing and fixing earth bus made of 25mmx5mm GI strip having a length of 300mm on surface of wall supported by suitable bus bar insulators and clamping, drilling of necessary holes etc., complete as reqd.
75
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Earthing Type III (Where Space is constraint)
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RDSO approved Chemical earthing for Equipment earthing /lightning conductor with earth electrode made 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 digging and filling Earth enhancement compound together with back fill soil as per specification i/c providing masonry enclosure with cover plate etc. .(M/s CAFE or any RDSO approved Make)
20
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess for connections up to earth bus bar etc as reqd
50
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Lightning conductor
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Checking Lightning arrestor (finial) fixing condition i/c climbing up to the top of tower, removing rusted bolts/nuts with a new ones, i/c connecting the same firmly with body of tower by flexible copper wire of 10 sqmm size with crimped tinned copper lugs, to make tower as conducting path etc as reqd.
50
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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 prdg necessary Teflon sleeve/suitable insulation to avoid direct contact with the body of the tower etc. as reqd
50
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess as a lightning conductor for connections up to earth bus bar etc as reqd
600
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Supplying and fixing of 25mm epoxy type insulators for laying of earth strip on building wall/ Tower including drilling holes to wall fixing etc as required.
600
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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. (M/s ISI)
100
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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.
100
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S/L of GI strip of 50x3mm on surface of tower with 2 nos insulator with clamp etc as required
50
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Aviation Light
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SITC of LED based Aviation obstruction lamp Red coloured light with inbuilt automatic daylight/night redundant sensor twilight switch designed in accordance with ICAO specification for Type B Aviation light, IP 66 Protection suitable for operation on 90-260V 1Ph AC supply ./ 25-50 Volts DC supply 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 dynamics make model, LIT32-XWB model or Smlr. supr. Make)
30
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Supplying and Laying of 2 x 1.5 sq. mm Copper conductor armoured UG cable with ISI mark On the tower / Wall / shelter surface etc., including clamping and connecting the cable at both the ends etc as reqd.
200
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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 the box I/c interconnections, etc.as reqd.
20
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