supply supply of fibre ladder discharge rod and rope etc at various 220 kv substation under etd i, lucknow , following items need to be supplied by the contractor forelectrical maintenance at various 220 kv substations under etd-i, lko , 1 ) fiber glass wall support ladder of 10 feet height with steps of fiber glass tube covered aluminium pipe at the following substations : , a ) 220 kv gis substation kanpur road , b ) 220 kv susbtation bijnaur , 2 ) fiber glass wall self supported ladder 06 feet height with steps of fiber glass tube covered aluminium pipe and base at top at the following substations: , a ) 220 kv gis substation kanpur road , b ) 220 kv susbtation bijnaur , 3 ) fiber glass wall supporting ladder ( fire bridge type ) of 20 feet height with steps of fiber glass tube covered aluminium pipe and heavy duty safety lock, pulley rope etc , a ) 220 kv susbtation bijnaur , portable earthing / discharge rod of f class fiber insulation suitable for working on transmission network having system voltage upto 245kv with total length of 7.20 meter and consistiing of following items in each set at 220 kv s / s bijnaur: , a ) line and earthing clamp duly made of electrolytic cu suitable for tarantulla / moose / zebra / panther conductor and fitted on top section of the earthing pole. the clamp shall be provided with the spring loading arrangement using ss fittings for proper clamping of the conductor. b earthing cable 12 meter long duly made made of transparent pvc insulated 10 sq.mm size multi-strand flexibel copper cable, on end fitted with line and earthing clamp and other fitted with earthing pad. c ) canvas carry bag for above , supply of good quality p.p. rope 22 mm dia