tender for misc. electrical work sh sitc of lps at crsd, old area, safdarjung airport, new delhi.; 1 sitc of parallel connectors for (700mm air terminal) connecting two conductors in parallelmanner. material- ss, with clamping range- rd / rd 7-10 mm & complied as per standard en 62561-1. 2 sitc of air-termination rod having length- 2500 mm, of material- almgsi, of diameter ø 16 / 10 mm(rod lower dia 16mm/rod upper dia 10mm), chamfered on both ends, & complied as per standard en 62561-2. 3 sitc of side wall clamp for air terminal, material - ss-304 clamping range suitable for clamping of 10-16mm dia rod 4 sitc of fs clamp for air-termination rods of 16 mm dia, clamps for connecting air-termination rods to conductors with truss head screw, plate, nut and double clamp ,material of clamp: al, should have clamping forair-termination rod: 16 mm dia & clamping range of round conductor: 2x 8-10 mm. 5 sitc of universal connector of material- ss, with clamping range- 8-10mm dia, with truss head screw m10x35 mm & complied as per standard en 62561-1., 6 sitc of roof conductor of diameter ø- 8 mm, cross-section- 50 mm2, of material- almgsi & complied as per standard en 62561-2. 7 sitc of conductor holder for parapet wall/side wall of material- ss,suitable for holding of round conductor of 8-10 mm dia,fl 20 mm, height- 20 mm ,along with accessories screw and gitty, material ss (m5 x 50mm) & complied as per standard en 62561-4 8 sitc of roof conductor holder for installing rigid conductor running on the corrugated sheet roof having profile height range from 5 mm and 8 mm, material of conductor holder: ss,the clamp shall support round counder of 8-10 mm dia. 9 sitc of conductor holder for downpipes for installing down conductorswith fixed conductor routing type pv, adjustable, with m8 clamping screw, suitable to be clampled on pipe: 50-120 mm dia , clamp shall hold round conductor of 6-8 mm dia material of conductor holder: ss 10 sitc of lightning strike counterhaving 3 digit lcd impulse real date time counter for recording discharge currents,lightning and impulse max. countable impulse current (10/350 µs) (iimp )100 ka min. countable impulse current (10/350 µs) (iimp )1 ka currents in down conductors (including hvi conductors), earthing and equipotential bonding systems lightning strike counter as per gb/t 33588.6 and iec 62561-6: type 1 + type 2 ce, gb, ukca 11 sitc of copper insulated conductor (cui), 3500 mm long cui conductor for avoiding touch voltages on down conductors. material of conductor: cu, material of insulation: xlpe, overall diameter of conductor: 20 mm , cross-section of core: 50 mm2,colour of conductor: light grey standard: en 62561-2. 12 sitc of conductor holder for the cui conductor for mounting the cui conductor , for wall mounting ,material of conductor holder: ss, suitable to hold the conductor of 20-21 mm, fixing : 6.5 x 16 mm, screw: m6 x 14 standard: en 62561-4 13 sitc of isolating spark gap for equipotential bonding according to iec 62305-3,particularly for use in potentially explosive atmospheres. power frequency sparkover voltage (50hz): <= 0.5 kv rated power frequency withstand voltage (50 hz): <= 250 v rated discharge current (50 hz): 500 a / 0.2 sec. (tu <= 45°c) degree of protection: ip67 enclosure: m10 x 25 screw and spring washer on both ends approvals ce ul tüv 17.0698 x 14 sitc of 3 phase / type1+2lightning current & surge protection device at mains lt panel (3 phase, 415 v variation of 10%) for (l-n) single-pole combined digital with 3 digit lcd impulse real date time counter , lightning current and surge arrester, type 1 spd -the device shall be non-exhausting metal encapsulated, spark gap based technology and tested as per latest and valid iec 61643-11:2011 or en 61643-11:2012 standards. it shall be capable to discharge lightning current (10/350µs) of 25ka (l-n) and 100ka(n-e) and voltage protection level of device shall be ≤ 1.5 kv. the device shall have inbuilt fuse for l-n. follow current extinguishing capability [l-n]/[n-pe] : 100karms / 100arms. the short circuit with stand capability of the device shall be 100 karms for l-n spd. the device shall have mechanical indication for both the states (green for ‘healthy’ and red for failure) on l-n and n-pe. the device shall be certified by kema /vde or nabl lab as per iec 61643-11:2011 or or en 61643-11:2012 for testing of all parameter at 10/350 µs and 8/20 µs .the complete system shall be in transparent enclosure ip65. 15 sitc of uni disconnecting clamps with intermediate plate for round and flat conductor, of material- ss, material thickness- 2.5 mm, with clamping range for round conductor of 8-10 mm dia& for flat30 mm width, & complied as per standard en 62561-1., 16 sitc of gi flat (25x6mm) strip. having width- 25mm, thickness- 6mm, material- hot dipped galvanized iron, cross section- 150mm2, & complied as per iec 62561-2., 17 sitc of gi strip holder of material- dow moulded compound, having height- 19mm, slot size- 25x6 mm. 18 sitc of copper bonded rod with low carbon steel, high tensile strength copper bonded rod with min 250 microns of copper plating, ul listed with company name marked on rod. diameter of rod- 17.2 mm, length- 3 meters, material- copper bonded, coating thickness- 250 microns, min, approvals- tested acc. iec / en 62561-2, ul 467., 20 kg backfilled compound, material- carbon based backfill/earthing compound, fulgurite formation test at direct lightning (10/350 μs), lightning long duration test at 100 degree celcius- no fulgurites test pass, environmentally friendly rohs certified, resistivity< 0.12 ωm, complying standard- iec 62561-7 , testing approvals certified from- nabl accredited laboratories, ss-316 grade clamp to terminate the load on earth electrode, poly plastic pit cover of material- polymer body & cover. 19 sitc of anti-corrosion tape( length of roll-10 mtr) (width: 50 mm) anti-corrosion tape for wrapping underground and above ground connections for use in the soil , uv-stabilised material: petrolatum . 20 sitc ofadvanced earthing monitoring system with local hmi, iot cloud, and mobile app support. it is din rail mountable (35mm, en60715) and supports wi-fi, rs-485, and ethernet connectivity. measures earthing resistance (0.31–30 ω) using the fall of potential (3-pole) method, earth leakage (0.010–30a), and n-e voltage (0.5–15v) across up to 3 channels. provides fault indication via led, display, web interface, and 2 potential-free contacts for alarms. operates on 110–415v ac, 45–55hz.