bids are invited for conventional lighting arrestor - solid copper rod 1 inch dia x 2 meters length with minimum 4 nos of solid copper fins and ss accessories for mounting on frp poles. purity not less than 90%. , insulated copper wire - pvc insulated single core multi stranded 75 sq.mm copper cable copper core of 75 sq.mm. cross section. purity not less than 90%. , frangible fiber-reinforced plastic frp - length 4000mm outer diameter 100mm thickness not less than 5mm should be painted with uv stabilized poly urethane paint of red & white colour alternatively for clear vision of the pole ss circular clamp with screw for holding lightning arrester as per illustration diagram shown in atc document. , gi base plate with mounting provision for frp poles - mounting for frp pole 200x200x10mm with 04 holes at four corners as per illustration diagram at the end. , stainless steel threaded anchor bolts - 304 grade 10mm dia and 255mm length with two ss nuts and two ss washers , fabrication of concrete base - 800x600x600 mm concrete plinth should be fabricated as per the illustration diagram at the end.should be painted with uv stabilized poly urethane paint of red & white colour alternatively for clear vision of the pole , copper plate - atleast 600 mm x 600 mm x 3.15 mm(thickness). purity not less than 90%. , cpvc pipe - 40 mm x 10 feet , salt - granular about (1-3 cm granules) , charcoal - granular about (1-3 cm granules) , transient equipotential bonding - up to 230v dc less than 600v at 1 kv us , conventional earthing - schematic diagram for copper plate earthing is shown in atc document , earth pit inspection chamber - typical inspection chamber is shown in atc document , excavation of sand of depth 1 feet for laying 75 sqmm cable upto earth pit , removal and re-installation of paving blocks , fabrication of concrete base - 400x150x150 mm concrete plinth for installation of teb devices , supply and laying of orange dwc pipe - plastic 60 mm outer diaorange dwc pipe for la