Tenders for Supply of Aluminium Single Ladder 9.14 Meter 30 Feet With Hook On Top Long Without Joint Aluminium Ladder Made Out Of High Tensile Aluminium Alloy C Section As Per Is 773/1983 Of Size: 66.6 Mm X 31.8 Mm Thickness Of Section 4 Mm With Step 25.4 Mm Dia. Aluminium Non Slippery Corrugated Pipe At 10 Center Double Rivited To Chhannel To Ensure Maximum Safety. Steps Must Be Strong Enough To Support At A Time Weight Of 2 Men 140 Kg With Warranty As Per Is 4571/1977 & Rubber Shoes To Be Fitted On Both Ends. Make- Sumer, Skyward, Sj, King Only