Angles - The Effects of Angles on Synthetic Slings (by: Liftex Corporation)
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Sling-To-Load Angle Considerations: Basket Hitches and Multi-Legged Web and Round Slings
- The effect of angles in basket hitches and on multi-legged web and round slings may be determined by using either of these two methods:
- Increased Tension Method (recommended method per WSTDA-WS-1)
- Reduced Sling Capacity Method (alternative method)
IMPORTANT:
- This document provides general information about the effects of angles on sling use. Sling-To-Load Angles and Choker Hitch Angles MUST be calculated by a qualified person, as defined by OSHA, "A person who, by possession of a recognized degree or certificate of professional standing in an applicable field, or who, by extensive knowledge training, and experience, has successfully demonstrated the ability to solve or resolve problems."
- Comprehensive information about the use of lifting slings can be obtained from the following sources:
- ASME B30.9 Sling Safety Standard
- The American Society of Mechanical Engineers
- www.asme.org
- 800-843-1763
- WSTDA Web Sling Standard (WS-1) and Roundsling Standard (RS-1)
- The Web Sling and Tie Down Association
- www.wstda.com
- 443-640-1070
- OSHA "Industrial Slings" regulations published by the Office of the Federal Register, National Archives and
- Records Administration, Part 29 1910.814
- Occupational Safety and Health Administration
- www.osha.gov