July 5, 1979
MEMORANDUM FOR: VERNON A. STRAHM
THRU: ROGER CLARK Acting Field Coordinator
FROM: GROVER C. WRENN Director
Federal Compliance and State Programs
SUBJECT: Clarification of 29 CFR 1926.855(b) and (f)
REFERENCE: Your Memorandum Dated May 25, 1979
The term floor arch as it is being used in the section for manual removal of
floors, 29 CFR 1926.855, means the masonry filling between the floor beams
and girders, irrespective of the type of floor system.
The American National Standard ANSI A10.6-1969, Safety Requirements for
Demolition section 3, defines the term floor arches as indicated above, and
was used by the Construction Task Force as the source document for 29 CFR
1926.855(b) and (f).