Ask the Z359 Expert
Joseph Feldstein, manager of technical services for Mine Safety Appliances Co., serves as a primary representative on
the ANSI/ASSE Z359 Accredited Standards Committee for Fall Arrest/Protection. A recognized expert in fall
arrest/protection issues, Feldstein regularly answers technical questions regarding the ANSI/ASSE Z359 Fall
Protection Code. Recent questions and his responses follow.
Q: Could you please clarify Section 126.96.36.199.3 in Safety Re-
Hotlinks quirements for Personal Fall Arrest Systems, Subsystems and
Components (ANSI/ASSE Z359.1-2007)?
A: The test is run using a tensile machine with a horizontal Revisions Proposed
American National bed long enough to fit the entire lanyard with both legs extend- ASSE (ASC A10) proposes to revise its stan-
Standards Institute ed. The length of the lanyard legs on the test specimen can be dard, Concrete and Masonry Work Safety
www.ansi.org reduced to fit the sample into the tensile machine. Requirements (BSR/ASSE A10.9-200x). This
Q: Based on the information given in Section 188.8.131.52 of standard establishes safety requirements
pertaining to concrete construction and
ASSE ANSI/ASSE Z359.1-2007, how do you test the dynamic per- masonry work in construction.
American Society formance of an energy absorber?
of Safety Engineers ASSE (ASC A10) also proposes to revise
www.asse.org A: The test lanyard construction is described in Section 4.1.4, its standard, Safety and Health Program
Test Lanyard. The length of the test lanyard is not specified, as Requirements for Multi-Employer Projects
different tests may require different lanyard lengths to perform (BSR/ASSE A10.33-200x). This standard sets
ASTM the test procedures in the standard. forth the minimum elements and activities
ASTM International of a program that defines the duties and
www.astm.org For testing an energy absorber, the test lanyard must be long responsibilities of a construction project
enough to permit a 6-ft (1.8 m) free-fall. Typically, this test is where a single project constructor supervis-
performed using a test lanyard with an overall length of 6 ft. es and controls the project.
CEN Note that the use of a test lanyard is not required if the energy
for Standardization absorber is integral to a lanyard or if the energy absorber alone
www.cenorm.be is of sufficient length to permit a 6-ft free-fall.
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