Bharat Sanchar Nigam Limited Tender
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Bharat Sanchar Nigam Limited - BSNL Tender
Electrical and Electronics
Eprocure
Opening Date19 Dec 2022
Closing Date3 Jan 2023
Tender Amount₹ 16,42,650
Costs
EMD
₹ 32,853Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Lightening Arrestor And Earthing
Description
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Contact
Tender Id
2022_BSNL_138616_1Bid Award Id
ViewTender No
53/175/ED/SHG/22-23Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://https://www.bsnl.co.in/
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Documents
Tech Bid Lightening arrestor and Earthing NFS project at Laitkor Peak and EAC HQ Shillong
Price Bid Lightening arrestor and Earthing NFS project at Laitkor Peak and EAC HQ Shillong
BOQ Items
Providing and fixing of copper earth bus bar of 600mmx50mmx5 mm on surface of wall for earthing distribution including suitable size bracket and insulator support and sign writing of bus bar etc as reqd.
1
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Supplying and filling of Terec Plus Earth Enhancing Compound 5kg bag for achieving the desired earth resistance value for acceptance testing and handing over to air force authority etc as reqd
4
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Supplying and filling of black cotton soil Earth Enhancing Compound 50kg bag for achieving the desired earth resistance value for acceptance testing and handing over to air force authority etc as reqd
4
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Supplying and filling of bentonite powder 50Kg for achieving the desired earth resistance value for acceptance testing and handing over to air force authority etc as reqd
4
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Providing and fixing Franklin rod type air terminal made of solid round copper of not less than 300 mm long and diameter not less than 16mm with multi prong with suitable mounting plate i/c jointing by riveting /nut bolting/sweating and soldering etc as reqd. Note- Suitable mounting for air terminal to be provided to ensure there is no direct contact of the terminal with structure.
8
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Jointing copper tape (with another copper tape, base of the finial or any other metallic object) by riveting/nut bolting/sweating and soldering etc complete as reqd.
60
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Providing and fixing Copper tape 25 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as reqd.(For horizontal run)
300
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Providing and fixing Copper tape 25 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as reqd. (For vertical run Note: Separations between down conductors and mounting wall will be greater than 0.1 mtr)
60
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Providing and fixing testing joint made of 25 mm X 3 mm thick Copper strip of 125 mm long on epoxy insulator of height not less than 100 mm, with 4 nos. of Copper bolts, nuts, chuck nuts and spring washers etc. complete as reqd.
8
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Providing and laying Copper tape 25 mm X 5 mm from earth electrode directly in ground as reqd. ( For Ring Earth)
240
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-
Supplying and installation & testing of Early Streamer (ESE) Type of Lighting Arrestor of minimum covering a radius of 30mtr Protections in level 1. When mounted at a height of 5Metre complete with fasteners, rope wire and accessories. It is to be designed as per NFC 17-102. The ESE terminal should capacity Against Wind Speed ≥15 M/S, operating temperature range -20ºC to 60ºC and IP-67 protection. (Make: M/s Tercel /BAKIRAL/ AXIS/ ABB/ similar superior make. Copy of lab certificate report to be enclosed)
2
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Supply and fixing of advanced lightning flash counter 2 Digit, 0 to 99 counts complete as reqd. (Make M/s Tercel / Bakiral/ Axis/ ABB/ similar superior make)
2
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Supply and fixing of GI Mast , 50 mm dia 5mtr With suitable size GI Base Plate, rope wire , fasteners, nut, bolts, and other required accessories including minor civil work such as RCC foundation block etc. complete as reqd.
2
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-
SITC of KEMA/VDE certified encapsulated (protected against ionized plasma blow outs) Spark gap type coordinated lightening and Surge protection for Stage-I protection designed for TT configuration against LEMP and high surges i/c interconnection earthing etc in suitable enclosure, suitable for 3 phase 4 wire system as per specification complete as reqd.
2
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SITC of KEMA/VDE certified encapsulated (protected against ionized plasma blow outs) Spark gap type coordinated lightening and Surge protection for Stage-II protection designed for TT configuration against low voltage surges with thermal disconnection and potential free contact for arrestor connected between live and neutral and earth i/c interconnection earthing etc in suitable enclosure, suitable for 3 phase 4 wire system as per specification complete as reqd.
2
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Providing and laying 40 mm dia GI pipe, B class direct in ground / fixing on wall complete as reqd.
12
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Supplying & laying of 4 X 10 Sq mm PVC insulated and PVC sheathed/XLPE insulated Copper conductor armoured cable of 1.1 KV grade including transportation, loading, unloading up to site complete as reqd.
20
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Clearing and levelling of excavated soil for making earth pit and maintaining the Earth chamber surface evenly to the existing earth surface level including arranging labour etc., as reqd.( For equipment earthing at Laitkor peak)
1
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