Page 142 - Forensic Structural Engineering Handbook

CONSTRUCTION SAFETY CODES, STANDARDS, AND REGULATIONS 3.27

loads, warning systems for mobile equipment, hazardous atmospheres, protection from haz-
ards associated with water accumulations, stability of adjacent structures, protection of
employees from loose rock or soil, and inspections.
1926.652. This subsection deals with the requirements for protective systems.
Provisions are provided for protection of employees in excavations; design of sloping
and benching systems; design of support systems, shield systems, and other protective sys-
tems; materials and equipment; installation and removal of supports; sloping and benching
systems; and shield systems.
Appendix A to subpart P describes a method of classifying soil and rock deposits
including definitions. Appendix B deals with the specifications of sloping and benching.
Appendix C contains information in regard to timber shoring of trenches. Tables are given
for timber trench shoring for different soil types and for varying depths of excavations.
Appendix D deals with aluminum hydraulic shoring for trenches. Tables are provided for
aluminum hydraulic shoring for different types of soil and for varying depths of excava-
tion. Appendix E provides sketches of alternatives to timber shoring. Appendix F provides
a graphic summary of the excavation requirements.

Subpart Q: Concrete and Masonry Construction

1926.700. This subsection gives the definitions and scope of the standard.
1926.701. General requirements are specified in regard to applying construction loads to
concrete structures, protruding reinforcing steel bars, posttensioning operations, provisions
against riding concrete buckets, working under loads, and personal protective equipment
during pneumatic application.
1926.702. This subsection gives requirements for equipment and tools. Provisions are
provided for bulk cement storage, concrete mixers, power concrete trowels, concrete bug-
gies, concrete pumping systems, concrete buckets, tremies, bull floats, masonry saws, and
lockout/tagout procedures.
1926.703. This subsection provides requirements for cast-in-place concrete.
Provisions are given for the design, fabrication, and installation of concrete formwork;
shoring and reshoring; vertical slip forms; integrity of reinforcing of reinforcing steel; and
removal of formwork.
1926.704. Requirements are given for the support of precast concrete wall units and tilt-
up wall units and their lifting inserts, etc.
1926.705. This subsection deals with the requirements of the lift-slab construction.
Design, planning, jacking, and lifting provisions are provided.
1926.706. Requirements for masonry construction are provided with regard to limited-
access zone and bracing of masonry walls during construction. All masonry walls more
than 8 ft high are required to be braced against overturning and collapse. No maximum
wind speed is designated.

Subpart R: Steel Construction
1926.750. This section deals with scope of applicability of the steel erection standards.

1926.751. Definitions are provided.