What is the minimum safety factor when lifting personnel in a man basket using 6x19 wire rope?

What is the minimum safety factor when lifting personnel in a man basket using 6x19 wire rope?

• A. 5 to 1
• B. 8 to 1
• C. 6 to 1
• D. 7 to 1

Answer: (D)

Lifting personnel requires a larger margin of safety than many other lifts, because the consequences of rope failure involve people. The safety factor is the ratio of the rope’s breaking strength to the maximum load you're lifting, and it accounts for dynamic shocks, misloads, rope wear, and other real-world conditions. For man-basket operations using 6x19 wire rope, standards specify a minimum safety factor of seven to one. This means the rope’s breaking strength must be at least seven times the expected working load. You could use a higher factor if desired, but seven to one is the required minimum. The 6x19 construction is a common choice for hoisting lines, but the key point here is ensuring an adequate safety margin for personnel lifting.

Lifting personnel requires a larger margin of safety than many other lifts, because the consequences of rope failure involve people. The safety factor is the ratio of the rope’s breaking strength to the maximum load you're lifting, and it accounts for dynamic shocks, misloads, rope wear, and other real-world conditions. For man-basket operations using 6x19 wire rope, standards specify a minimum safety factor of seven to one. This means the rope’s breaking strength must be at least seven times the expected working load. You could use a higher factor if desired, but seven to one is the required minimum. The 6x19 construction is a common choice for hoisting lines, but the key point here is ensuring an adequate safety margin for personnel lifting.