bids are invited for provision of external lightning protection system at rupsi airport sitc air terminal rod of parallel cl to connect of minimum d 8mm l 500mm air termination rod , sitc of minimum 8mm roof conductor , sitc of roof conductor holder for metal roofs with a stst cl ing piece round standing seam roof conductor holder for metal roofs for fixing additional air termination systems , sitc of universal connector for interconnecting roof conductor and down conductor , sitc of cl for connection to steel or metal constructions , sitc of down conductor holder stst for of minimum rd 8 to 10 mm h 20 mm with female thread m8 preassembled with plastic base complete as required , sitc of glue dispenser of minimum 490gm complete as required , sitc of gi flat of minimum 25 x 6mm for termination to earth pit complete as required , sitc of uni disconnecting cl with intermediate plate for round and flat conductor , sitc of gi strip holder complete as required , sitc of copper bonded rod with low carbon steel , sitc of lightning strike counter for digital recording of impulse currents , sitc of cui conductor the dangerous area of touch and step voltages for living beings is defined , sitc of conductor holders for installing the cui conductor on walls or facades , sitc of 3 phase or type1 plus 2 kema certified lightning current and surge protection device at mains lt panel , sitc of lightning equipotential bonding isolating spark gap according to 100 ka total quantity : 4804