supply of 1. aluminium extention ladder 13mtr fully extended (8.00 mtr + 8.00 mtr.) 2. made of specialrectangular tubing having dual internal vertical supports for extra of size 77x32x2 mm and c shape size15x12x3mm as per is-733-1983 temper t-6 3. steps will be made of 26mm square corrugated tubing fitted on 4.distance of 250mm (10 inch) centre to centre. width of extension ladder min-310 mm (approx). 5. ladder willhave fixed rubber pads and hook on top of the ladder hook made of ms flat 32x5 mm hook bending on 5 mm date6. pulley bracket, complete with, rope of p.p. 10mm and locking arrangement. make: sj ladder make : sumer, orsimilar .
