bids are invited for sitc for installation of lightening arrestors for dvor site material for construction of earthing pits , material for construction of concrete box with lid , copper plate , copper strip , material for construction of foundation of rcc base for erecting gi mast poles under ground level , material for construction of rcc base for erecting gi mast poles above foundation work on ground level , conventional lightning arrestor system , pvc insulated multi strand copper cable for la , brazing of interconnection , material for construction of inspection chamber , pvc pipe for earth pits , common salt , charcol , gi galvanized mast poles , frangible fibre reinforced plastic frp poles , self supporting heavy duty folding ladder , installation testing and commissioning material for construction of earthing pits, material for construction of concrete box with lid, copper plate, copper strip, material for construction of foundation of rcc base for erecting gi mast poles under ground level, material for construction of rcc base for erecting gi mast poles above , earthing plate as per is 3043 total quantity : 1382