bids are invited for supply of conventional lightning arrestor , supply of multi stranded 75 sq mm copper wire , supply of frangible fiber- reinforced plastic frp poles , fabrication of concrete base for erecting frp poles at dvor site , brazing points , supply of gi pipe , sitc of complete lightning arrestors system as per the details , supply of copper plate earth electrode , supply of copper strip , supply of insulated copper cable , supply of insulated copper cable , supply of insulated copper cable , supply of equipotential copper earth bus bar , supply of equipotential copper earth bus bar , supply of pvc pipe for watering , supply of pvc pipe for laying of copper cable , supply of pvc pipe for laying of copper cable , supply of pvc pipe for laying of copper cable , supply of gi pipe , supply of salt , supply of charcoal , construction of earthing system earth pit , construction of inspection chamber and chambers for each earth pits , sitc of complete earthing systems as per the details total quantity : 2170