Page 78 - Safety Memo

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3. When steel joist(s) are landed on a structure, they shall 02. Have not less than 12 in. of bearing on the
be secured to prevent unintentional displacement prior to surrounding structure. 1635(c)(3)
installation. 1710(h)(1)(E)
03. Be checked by a qualified person prior to each
4. Floors must be planked at every other story or 30 ft., shift and following strong winds. 1635(c)(5)
whichever is less. 1635(b)(3), 1710 (l)(7)
04. Never be removed by walking forward where the
5. A floor must be installed within two floors below any tier walking surface cannot be seen. 1635(c)(6)
of beams on which erection, riveting, bolting, welding,
or painting is being done; otherwise, fall protection is 05. Bear a sign stating, “OPENING—DO NOT
required. 1635(b)(2) REMOVE”, in 2 in. high, black bold letters on a
yellow background. 1635(c)(4)
6. Fall protection is required when workers are connecting
beams where the fall distance is greater than two stories 11. Permanent Flooring-Skeleton Steel Construction in
or 30 ft., whichever is less. 1710(m)(1) Tiered Buildings
Unless the structural integrity is maintained by the design
Note: At heights over 15 ft. and up to 30 ft., workers
performing connecting operations must wear personal 1710(k):
fall protection that gives them the ability to tie off. a. There shall be not more than eight stories between
the erection floor and the uppermost permanent
7. During work other than connecting operations, fall
protection is required where the fall distance is greater floor.
than 15 ft. 1710(m)(2) b. There shall be not be more than four floors or
48 ft., whichever is less, of unfinished bolting
8. Before any steel erection begins, the controlling contractor
must provide the steel erector written notifications related or welding above the foundation or uppermost
to concrete strength and anchor bolt repair/replacement. permanently secured floor.
1710(c) 12. All columns must be anchored by a minimum of four
anchor bolts. 1710(f)(1)(A)
9. Prior to removal of planking or metal decking, all
employees must be instructed in the proper sequence of Exception: When columns are braced or guyed to
removal and safety. 1635(b) provide the stability to support an eccentric load as
specified in 1710(f)(1)(B).
10. Requirements for the working area where floor openings
are to be uncovered: 1635(c) Note: Persons engaged in steel erection should review
and be knowledgeable of all the requirements contained
a. The area must be in the exclusive control of steel
erection personnel and shall be barricaded to prohibit in section 1710.
unauthorized entry. C. Wood/light gauge steel, residential and light commercial
frame construction
b. The floor area adjacent to the floor opening shall be
barricaded or the floor opening shall be covered when 1. Joists, beams, or girders of floors below the floor or level
not attended by steel erection personnel. where work is being done, or about to be done, must be
covered with flooring laid close together. 1635(a)(1)
c. Floor openings shall be guarded by either temporary
railings and toeboards or by covers. 1632(b)(1) 2. Employees shall not work from or walk on structural
members until they are securely braced and supported.
d. Covers shall:
1716.2(d)
01. Be capable of safely supporting the greater of 3. Before manually raising framed walls that are 15 ft. or
400 pounds or twice the weight of the employees, more in height, temporary restraints, such as cleats on the
equipment, and materials that may be imposed on foundation or floor system or straps on the wall bottom
any one square foot area of the cover at any time. plate must be installed to prevent inadvertent horizontal
1632(b)(3)
44 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 45