Page 60 - Safety Memo

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2. Blaster’s License. The blaster must be a licensed blaster C. The following information must be displayed on the device:
or directed by a licensed blaster and be at least 21 years 3638(c)
of age. 5238
1. Manufacturer’s name, model, and serial number.
2. Rated capacity at the maximum platform height and
Aerial Devices and Elevating maximum platform travel height.
Work Platform Equipment 3. Operating instructions.
4. Cautions and restrictions.
A. Aerial devices, such as cherry pickers and boom trucks, may
be vehicle-mounted or self-propelled and used to position D. Devices must be designed to applicable American National
employees. 3637 Standards Institute (ANSI) standards. 3638(b)
General safety requirements are as follows: 3648 Note: See clearances for operations near high-voltage
conductors in the Electrical section of this guide.
1. Only authorized persons may operate aerial devices.
3648(c)
2. Aerial devices must not rest on any structure. 3648(a) Airborne Contaminants and Dust
3. Controls must be tested before use. 3648(b)
The employer must control employees’ exposure to airborne
4. Workers must stand only on the floor of the basket. contaminants and employees’ skin contact with those
No planks, ladders, or other means are allowed to gain substances identified in Table AC-1 of 5155 and 1528. Airborne
greater heights. 3648(e) contaminants suspended in the air can exist in different forms
5. A fall protection system must be worn and attached to the including gases, vapors and particulates (particles of either
boom or basket. 3648(o) liquids or solids). Table AC-1 contains the Permissible Exposure
Limit (PEL) for these substances. The PEL applies to the sum of
6. Brakes must be set when employees are elevated. 3648(g) the exposures to the substance in the vapor state and from the
7. An aerial lift truck must not be moved when an employee particulate fraction. 5155
is on the elevated boom platform except under conditions Some of the substances listed in Table AC-1 also have specific
listed in 3648(l). performance standards, noted in the CSOs and the GISOs,
B. Elevating work platform equipment, such as vertical tower, for controlling employee exposure. These substances include
scissor lift, and mast-climbing work platform may be used to asbestos (1529); cadmium (1532); lead (1532.1); benzene (5218);
position employees and materials 3642. methylenedianiline (1535); concrete and masonry materials
(1530.1); chromium (VI) (1532.2); carbon monoxide, vinyl
General safety requirements are as follows: 3642
chloride (5210); and welding fumes (1536, 1537).
1. The platform deck shall be equipped with a guardrail or
other structure around its upper periphery. Where the Airborne contaminants must be controlled by: 5141
guardrail is less than 39 in. high, a personal fall protection • Applying engineering controls
system is required. 3642(a)
• Removing employees from exposure to the hazard and by
2. The platform shall have toeboards at sides and ends. limiting the daily exposure of employees to the hazard
3642(f)(1)
• Providing respiratory protective equipment whenever such
3. No employee shall ride, nor tools, materials, or equipment engineering controls are not practical or fail to achieve full
be allowed on a traveling elevated platform. See
exceptions 3646. compliance
4. Units shall not be loaded in excess of the design working
load. 3646(f)
8 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 Cal/OSHA Pocket Guide for the Construction Industry | June 2015 9