bids are invited for lighting finial arrestor - supply, fitting & fixing of lighting finial arrestor made of 25 mm dia 300 mm long solid copper tube as detailed in the detailed boq enclosed with the nit document , copper strips - supply, fitting & fixing 20 mmx3 mm copper strips drawn on vertically or horizontally on building/parapet wall in surface system complete with supply of brass nuts & bolts, screws etc including riveting, soldering etc. , chemical earthing - supply with installation & commissioning of readymade maintenance free cpri approved chemical earthing system with 50 mm dia. 2.00 metres length corrosion free single pipe technology , copper tape 1 - jointing copper / g.i. tape by riveting / nut bolting/ sweating and soldering etc as required and laying copper/ g.i. tape 32 mm x 6 mm from earth electrode directly in ground as required , copper tape 2 - providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing as required , copper wire - providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing as required , septic tank - provisioning of 02 nos. septic tanks on the suitable locations as per the directives of the eic at site - as per the detailed boq enclosed , mcb db 1 - supplying and fixing following way, single pole and neutral, sheet steel, mcb distribution board, 240 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (but without mcb/rccb/isolator) - 8/12 way, double door , mcb db 2 - supplying and fixing following way, horizontal type three pole and neutral, sheet steel, mcb distribution board, 415 v, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (but without mcb/rccb/isolator) - 4 way (4 + 12), double door , mcb 1 - supplying and fixing 5 a to 32 a rating, 2