supply of ladderladder,supply of self- supporting aluminium step ladder of 15 feet long as per specification - (1) se lf-supporting a type aluminium platform ladders confirming to is 3696 (part 2): 1991 or latest version (2) as per the following parameters. a) maximum working height - 15 feet. b) height upto ladder platform - 9 feet. c)material: aluminium/ aluminium alloy. d) step width : minimum 63mm. e) platform: aluminium slip resist ant platform(minimum size: 300 mm x 400 mm). f) handrails: available. g) safe working load: 150 kg. h) a nti-skid end caps:available [ warranty period: 30 months after the date of delivery ] ]