Tenders for Supply of High Tensile Aluminum Alloy Extension Ladder 11.2 Meter Height With Hook On Top. The Stiles Of The Ladder Should Be Made Of Alu-C Sections, Size:66.6X31.7X4mm While The Steps Made Of Heavy Duty Aluminum Fluted Pipe Dia 01 Inch Corrugated Non-Slippery Are Fitted At 12 Inches 300Mm Interval Center To Center 4%U201d Overlapping With Pulley, Gravity Power, Locking Arrangement, Good Quality Rope. The Top And Bottom End Are Fitted With Rubber, Having Closed Height Of 6.096 Mtr And Extensible Height 11.2 Meter. Steps Must Be Strong Enough To Support At A Time Weight Of 02 Men 140 Kgs Total Confirming To Is:4571/1977 Or Latest.
