GAIL India Limited Tender
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Costs
EMD
₹ 1,00,500Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Supply, Installation, Testing And Commissioning Of Surge And Lighting Protection System
Description
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Contact
Tender Id
2024_GAIL_203616_1Bid Award Id
ViewTender No
GAIL/CNP/JPR23SD249/2023-24Tender Authority
GAIL India Limited ViewPurchaser Address
-Website
http://etenders.gov.in
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BOQ Items
Supply & installation of single spike air terminals of 10/16 mm dia. & 1500 mm length as required and as per site conditions. The air terminal shall be manufactured with aluminium & shall be as per IEC 62561-2. The air terminal shall be fixed on metal shed stand mounted on clamps. For further connection with round conductor provision of connecting clamp shall be given.
1
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Supply & installation of Angled Air Terminal of 10 mm dia. 500 mm above solar PV module. An Air Terminal Rod shall be manufactured with Aluminium material for solar protection, complying IS/IEC 62305 & IEC 62561-2. An Air terminal shall be provided with the two saddle clamp suitable for mounting on MMS as per site conditions and to withstand high wind loads.
9
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Supply & installation of 8 mm dia aluminium round conductor for air termination network. It shall meet the requirement of IEC 62561-2.
1285
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Supply & installation of 8 mm dia aluminium round conductor for mesh. It shall meet the requirement of IEC 62561-2.
263
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Supply & installation of Parapet Conductor holder mounted on plastic base for holding of 8 mm dia. round conductor (for RCC). The conductor holder should be installed at every 1 mtr & as per IEC 62561-4.
887
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Supply & installation of Mesh Conductor holder along with concrete block for holding of 8 mm dia. round conductor (for RCC). The conductor holder should be installed at every 1 mtr & as per IEC 62561-4.
208
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Supply & installation of Adhesive-type Conductor holder for metal roof. The conductor holder should be installed at every 1 mtr & as per IEC 62561-4.
453
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Supply & installation of 16sq.mm. copper cable along with lugs, having 500mm length & as per IEC 62561-1 so as to connect air termination rod with any metallic structure on the roof
28
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Supply & installation of Straight and T - Connector for making Straight/Tee joint of 8 mm aluminium Conductor to 8 mm dia aluminium conductor on parapet wall, roof and vertical facade of mesonary / glass / metalic work & as per IEC 62561-1
145
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Supply & installation of X - Connector for making Cross joint of 8 mm aluminium Conductor to 8 mm dia aluminium conductor on parapet wall, roof and vertical facade of mesonery / glass / metalic work & as per IEC 62561-1
27
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Supply & installation of 8 mm dia aluminium round conductor as down conductor. It shall meet the requirement of IEC 62561-2.
383
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Supply & installation of Down Conductor holder mounted on plastic base for holding of 8 mm dia. round conductor (for RCC). The conductor holder should be installed at every 1 mtr & as per IEC 62561-4.
338
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Supply & installation of adhesive type conductor holder for metallic platform, to be installed at every 1 mtr and shall be as per IEC 62561-4.
45
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Supply & installation of Test Clamp to disconnect the down conductor from the earth termination network for regular checks of the earth termination resistance value & shall be as per IEC 62561-2. (with enclosure)
46
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Supply & installation of Expansion piece made of 8mm dia. Aluminium & as per IEC 62561-2 along with suitable connecting accessory. It shall be installed at every 20 mtr to maintain the flexibility to the conductor due to heat.
79
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Supply & installation of Lightening Strike Counter for counting the number of lightning strikes without any power supply. The Lightning Counter should be IP65 rated metallic enclosure suitablefor external application & shall be as per IEC 62561-6
19
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Supply & installation of Earthing termination made of copper-bonded rod of 10 feet length,14.2 mm dia. (Minimum copper bonding shall be 0.25mm) with exothermically welded busbar, Earth enhancement material (quantity ≥35KG, especially designed for rocky terrain), Pit Cover and other accessories as required and as per specification and other applicable codes.
47
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Supply & installation of min. 8 mm Copper Bonded Steel Conductor as per IEC 62561-2 along with fixtures, laid at 600mm below the ground for interconnection of the earthing, as required and as per specification and code of practice.
1936
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Supply & installation of Class B/Type I Three Phase Surge Protection Devices as per IEC 62305-4 and tested according to IEC 61643 – 11, DIN Rail mountable with Maximum Continuous Operating Voltage of 320 V and Voltage Protection Level of 2.5 kV (L-N). Response Time should be less than 100 ns (L-N & N-PE). The maximum impulse test current should be 50 kA (10/350 µs) per pole and 100 kA (10/350 µs) neutral to protective earth. The surge protection devices shall be enclosed in polycarbonate enclosure of IP 65 rating.
15
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Supply & installation of Class C/Type II Three Phase Surge Protection Devices as per IEC 62305-4 and tested according to IEC 61643 – 11, DIN Rail mountable with Maximum Continuous Operating Voltage of 320 V and Voltage Protection Level of 1.5 kV (L-N). Response Time should be less than 25 ns (L-N & N-PE). The nominal current should be 20 kA (8/20 µs) per pole and maximum current shold be 40 kA (8/20 µs). The surge protection devices shall be enclosed in polycarbonate enclosure of IP 65 rating.
1
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Supply & installation of 48V AC/DC Surge Protection Device
2
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Supply & installation of 24V AC/DC Surge Protection Device.
2
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Supply & installation of 110V AC/DC Surge Protection Device.
1
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Supply & installation of Surge arrester at main power supply (3ɸ, 440VAC) board in the control room
12
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Supply & installation of Surge arrester at the output to AC/DC converter and DC/DC converters
36
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Supply & installation of Surge arrester at 24Vdc input to HPU at field junction box
12
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Supply & installation of Surge arrester for Pressure transmitter and RTD’s
48
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Supply & installation of Surge arrester at RTU end across TIC in the control room
60
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