Bharat Sanchar Nigam Limited Tender
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Bharat Sanchar Nigam Limited - BSNL Tender
Electrical and Electronics
Eprocure
Opening Date23 Dec 2023
Closing Date8 Jan 2024
Tender Amount₹ 19,96,346
Costs
EMD
₹ 39,927Document Cost
₹ 590Tender Fee
Refer Documents
Description
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Contact
Tender Id
2023_BSNL_179121_1Tender No
35/EEE/ BSNL/ ED / MA / 2023-24Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://etenders.gov.in
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Documents
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 Muliple 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 , masonay enclosure with cover plate etc., as required.(interconnecting GI strip shall be measured in item 2.02 Below)
14
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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 busbar etc as reqd
280
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Providing and fixing earth bus made of 50mmx6mm GI Busbar having a length of 450mm on surface of wall supported by suitable bakelite insualtors and clamping, drilling of necessary holes , bolts screws etc., complete as reqd.
14
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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)
140
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Providing masonary 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 masonary enclosure 300mmx 300mm approximate).
14
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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.
1
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess for connections up to earth busbar etc as reqd
15
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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)
1
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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)
12
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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
1
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S/L of 1x10sq.mm copper wire with lug for both end for loop earthing as required
25
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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 insualtors and clamping, drilling of necessary holes etc., complete as reqd.
2
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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 masonay enclosure with cover plate etc. .(M/s CAFE or any RDSO approved Make)
1
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess for connections up to earth busbar etc as reqd
15
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Lightning conductor
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Checking Lightning arrestor (finial) fixing condition i/c climbing upto 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 conductng path etc as reqd.
60
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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 pvdg necessary Teflon sleeve/suitlable insulation to avoid direct contact with the body of the tower etc. as reqd
72
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Providing and fixing 25mm x 5mm G.I. strip on surface or in recess as a lightnin conductor for connections up to earth busbar etc as reqd
1000
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Supplying and fixing of 25mm epoxy type insulators for laying of earth strip o building wall including drilling holes to wall fixing etc as required.
800
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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)
80
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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.
72
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S/L of GI strip of 50x3mm on surface of tower with 2 nos insulator with clamp etc as required
250
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