The boom hoisting sheave must have pitch diameters of no less than:

1 answer:

5 0

The length of the boom hoisting sheave should have pitch diameters of not less than eighteen times the length of a normal rope.

<h3>What is a diameter?</h3>

A diameter is a unit to describe the line passing from the center point of a circle or a sphere.

According to the security rules prescribed by the Occupational safety and health administration (OSHA), the minimum length of the sheaves used in the boom reeving system should be the pitch diameters of 18 times the length of rope normally used.

Therefore, the boom hoisting system should use a rope of a length of at least 18 times in pitch diameters.

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