Providing Lightning Arrestor System for CISF barracks and Fire Station at Madurai Airport

Amount

Supply & installation of 8 mm dia Aluminum alloy Solid Round Conductor of material AlMgSi used in Down conductor system. minimum Cross sectional area of conductor should be 50 mm². Conductor is tested for Lightning Impulse current of 100 kA for 10/350 µs. Electrical Resistivity,Tensile strength & Corrosion test as per IS/IEC 62561-2.

Supply & installation of self supporting type, 4 Meter Vertical Air Terminal made of material AlMgSi of diameter 16mm rod tapered to 10mm at interception tip as per IEC 62305-3, The rod shall be mounted with suitable supporting and fixing accessories, depending upon site requirement. Folded clamps are considered for metal structures.The Electrical , Mechnical and chemical properities of the Vertical air teminal shall be compliant to IS/IEC 62561-1 & 2 standards with upto date amendments.

Supply and installation of UV resistant Parapet conductor holder (Material:PU/Nylon) suitable for 8mm round conductor meeting the requirements of IEC/IS 62305

Supply and installation of stainless steel test joint suitable to connect 8mm dia round conductor meeting the requirements of IEC/IS 62561-1&2 requirements

Supply and installation of UV resistant Nylon down conductor holder on side walls suitable for holding 8 mm dia round conductor meeting IEC/IS 62561-1&2 requirements

Supply and installation of stainless steel test joint suitable to connect 8mm Al round conductor to 10mm copper bonded round conductor with polycarbonate enclosure on all downconductors with above 1mtr from the ground

Supply & installation of Rust resistant non corrosive 10 mm dia Copper bonded round conductor used for earth termination inside the soil/concrete complies to IEC/IS 62561-1&2 standards.

Earthing With Copper earth plate 600mm X 600 mm X 3mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc with charcoal / coke and salt as required

Providing and fixing 25mm X 5mm copper strip in 40mm dia GI pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25mm X 5mm copper strip in recess for connections etc. as required.

Supply, Installation, Testing and commissioning of Three Phase Surge Protection Device (SPD) having 100kA (10/350 micro seconds) neutral to earth, 50kA (10/350 micro seconds) line to neutral, with limiting voltage of 1.5 KV parallel at the mains power& shall be of replaceable modular type including copper wire 4C X 16 sq.mm 12 mtrs. for connecting surge protection device in parallel to the busbar of the main electrical panel, along with all accessories as required for installing as per site requirement.

Supplying and fixing four pole sheet steel enclosure on surface/ recess along with 63 amps 415 volts FP MCB complete with connections, testing and commissioning etc. as required.

Nexpo Power Solutions Pvt Ltd