04/09/2026
๐ช๐ต๐ ๐๐ผ ๐ช๐ฒ ๐จ๐๐ฒ ๐ง๐ต๐ฒ ๐ฐ:๐ญ ๐ฅ๐๐น๐ฒ ๐๐ผ๐ฟ ๐ ๐๐ฎ๐ฑ๐ฑ๐ฒ๐ฟ?
Original content by Safety Master.
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๐๐ช๐ต๐ฎ๐ ๐๐ ๐ง๐ต๐ฒ ๐ฐ:๐ญ ๐ฅ๐๐น๐ฒ?
๐ For a leaning ladder, the base should be placed about 1 meter away from the supporting surface for every 4 meter of ladder length.
๐๐ช๐ต๐ ๐๐ ๐๐ ๐จ๐๐ฒ๐ฑ?
๐ข 1. Better Stability โ Helps keep the ladder stable.
๐ข 2. Correct Angle โ Gives the ladder a safe working angle.
๐ข 3. Reduces Sliding โ Helps reduce the chance of the ladder slipping away from the wall.
๐๐๐
๐ฎ๐บ๐ฝ๐น๐ฒ
๐ If the ladder contact point is 12 meters high:
โ๏ธ 12 รท 4 = 3 meters
โ๏ธ Place the base approximately 3 meters away from the supporting surface.
โ ๏ธ๐๐บ๐ฝ๐ผ๐ฟ๐๐ฎ๐ป๐ ๐ฃ๐ผ๐ถ๐ป๐
๐ The 4:1 rule is commonly used for non-self-supporting leaning ladders. Always follow the applicable standard and manufacturer's instructions.
๐ก๐๐ฎ๐๐ ๐๐ป๐๐ฒ๐ฟ๐๐ถ๐ฒ๐ ๐๐ถ๐ป๐ฒ
๐ The 4:1 rule gives a leaning ladder a proper angle and helps improve stability.