Page 124 - Safety Memo

Back To TABLE
L. Chain saws are regulated as follows: Transportation. Additional means of traffic control, such as
continuous patrol, detours, barricades, or other techniques for
1. Chain saws must be equipped with a constant-pressure the safety of employees may be employed. 1598(a)
control that returns the saw to idling speed when released.
3425(a)(2) B. Specifications for the size and design of signs, lights, and
devices used for traffic control shall be as described in the
2. Chain saws must have a clutch adjusted to prevent the “Manual”, pursuant to the provisions of California Vehicle Code
chain drive from engaging at idling speed. 3425(a)(3)
Section 21400, which is incorporated by this reference. 1598(b)
M. Pneumatic tools are regulated as follows:
C. Employees (on foot), such as grade-checkers, surveyors and
1. Safety clips are required on pneumatic tools to prevent dies others exposed to the hazard of vehicular traffic, shall wear high
from being accidentally expelled from the barrel. 3559(a) visibility safety apparel in accordance with the requirements of
1598, 1599, and 1590.
2. Pneumatic nailers and staplers must have a safety device
that prevents the tool from operating when the muzzle is Note: The warning garments such as vests, jackets, or shirts
not in contact with the work surface. 1704(b) shall be manufactured in accordance with the requirements
of the ANSI/ISEA 107-2004, High Visibility Safety Apparel and
Exception: Light-Duty Nailers and Staplers
Headwear. 1598(c)
3. Pneumatic nailers and staplers must be disconnected from D. Flaggers (see Flaggers section in this guide) are required when
the air supply at the tool when performing any maintenance the controls cited above are inadequate. 1599(a)
or repair on the tool, or clearing a jam. 1704(c)
Note: The use of one flagger under specified circumstances is
4. The air hose of pneumatic nailers and staplers must be also permitted. 1599(a)
secured at roof level to provide ample but not excessive
amounts of hose when an operator works on roofs sloped E. The employer shall select the proper type (class) of high
steeper than 7:12. 1704(d) visibility safety apparel for a given occupational activity by
consulting the Manual, apparel manufacturer, ANSI/ISEA
5. All pneumatic hoses exceeding 1/2 in. inside diameter shall
have a safety device at the source of supply or branch line 107-2004, Appendix B or the American Traffic Safety Services
to reduce pressure in case of hose failure. 1704(e) Association (ATSSA). 1599(f)
6. Jack hammer operators must wear personal protective
equipment when required (see Personal Protective Training
Equipment section in this guide), including foot protection
as per 3385. Jack hammer operators must also use hearing Each year serious and fatal injuries are caused by ineffective and
protection when noise levels exceed allowable exposure inadequate training of employees. Employees who are newly
levels as per 5096(a). hired, given new job duties, or who are using tools and equipment
N. All portable pipe threading/cutting machines, portable power that they are unfamiliar with have a greater risk of being injured.
driven augers (earth drills), and portable power drives shall be A. Effective Training
permanently equipped with a momentary contact device. 4086
Effective training relates directly to the work being done by
employees. It instructs employees on general safe work
Traffic Control practices and also provides specific information on the hazards
they may encounter in their jobs. In general, effective training
Regulations concerning traffic control are noted below: instructs employees on how to work safely and:
A. Worksite traffic controls and placement of warning signs 1. Communicates information in a language and by methods
must conform to the requirements of the “California Manual understandable to all employees (including those who do
on Uniform Traffic Control Devices for Streets and Highways, not speak English, or have limited comprehension of English)
January 13, 2012” published by the State Department of

136 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 137