DEPARTMENT OF LABOR AND ECONOMIC OPPORTUNITY
GENERAL INDUSTRY SAFETY AND HEALTH STANDARD
(By authority conferred on the director of the department of labor and economic
opportunity by sections 16 and 21 of the Michigan occupational safety and health act, 1974
pa 154, mcl 408.1016 and 408.1021, and executive reorganization order nos. 1996-2, 2003-1,
2008-4, 2011-4, and 2019-3, mcl 445.2001, 445.2011, 445.2025, 445.2030, and 125.1998)
PART 49. SLINGS
R 408.14901 Scope and adoption of standard.
Rule 4901. (1) This part sets forth the requirements for slings and their construction,
care, and use in, around, and about a place of employment. Types of slings included in this
part are chain, wire rope, metal mesh, 3-strand natural or synthetic rope, and synthetic web
made from nylon, polyester, and polypropylene.
(2) The following standard is adopted by reference in these rules, American Society of
Mechanical Engineers Standard ASME B-30.9 “Slings,” 1990 edition. This standard may be
purchased from IHS Global, 15 Inverness Way East, Englewood, Colorado, 80112, USA,
cost as of the time of adoption of these amendments of $60.00.
(3) The standard adopted in subrule (2) of this rule is also available for inspection at the
Department of Labor and Economic Opportunity, MIOSHA, Standards and FOIA Section,
530 West Allegan Street, P.O. Box 30643, Lansing, Michigan, 48909-8143.
(4) Copies of the standard adopted in subrule (2) of this rule may be obtained from the
publisher or may also be obtained from the Department of Labor and Economic Opportunity,
MIOSHA, Standards and FOIA Section, 530 West Allegan Street, P.O. Box 30643, Lansing,
Michigan, 48909-8143, at the cost charged in this rule, plus $20.00 for shipping and
History: 1979 AC; 2021 MR 9, Eff. May 13, 2021.
R 408.14902 Rescinded.
History: 2014 AACS; 2021 MR 9, Eff. May 13, 2021.
R 408.14903 Definitions; A, B.
Rule 4903. (1) "Angle of loading" means the inclination of a leg or branch of a sling,
measured from the horizontal or vertical plane as shown in figure 5, provided that an angle of
loading of 5 degrees or less from the vertical may be considered a vertical angle of loading.