Page 365 - Safety Memo
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Commonly Used Supported Scaffolds Selected Cal/OSHA Regulations
GUIDE FOR WORKING SAFELY WITH • Frame or Fabricated • Tower/Rolling (See Title 8 CA Code of Regulations for all regulations)
SUPPORTED SCAFFOLDS • Tube and Coupler • Horse Scaffold
• Outrigger Scaffold • Ladder Jack The company’s Code of Safe Practice (COSP)
• Bracket Scaffold • System Scaffolds must include safety requirements for erection, use,
Scaffolding provides safety and adds to and dismantling of scaffolds.
the efficiency of work. However, unsafe Common Scaffolding Hazards The company’s Injury & Illness Prevention
scaffolding can lead to accidents, serious Program (IIPP) must provide information on
injuries and death. Individuals exposed to scaffolding hazards include inspection of scaffolds, correction of hazards
scaffold erectors and dismantlers, personnel working found, and training for scaffold erectors, users
on/under scaffolds, and employees and the general
and dismantlers.
public near scaffolding. Scaffold erectors and
dismantlers are at particular risk, since they work on
scaffolds before ladders, guardrails, platforms, and • The design and construction of scaffolds must
conform to standards and requirements of 1637.
planks are completely installed. Common scaffolding • Each scaffold must be designed to support its
hazards are:
own weight and 4 times the maximum load. See
Hazards From Structural Flaws 1637(b) for maximum working loads.
• Missing/improperly supported base plates • Scaffold erection and dismantlement must be
• Scaffold not tied properly to building
supervised by a qualified person. Scaffold must
• Platform slope exceeds requirement be erected and dismantled according to design
• Legs not plumb standards, engineered specifications, or
This GUIDE promotes awareness of safe • Braces/runners/cross-bracing not secure manufacturer’s instructions. 1637
work practices for supported scaffolds • Missing braces/runners and cross-bracing
and covers: • Some planks overextended/under extended • A Cal/OSHA permit is required for erecting and
• Types of Commonly Used Supported • Severe overloading/danger of collapse dismantling scaffolds that exceed three stories or
36 ft. in height. 341(d)(5)(B)
Scaffolds • Broken pins on frames
• Common Scaffolding Hazards Fall Hazards • A safe and unobstructed means of access, such as
• Selected CAL/OSHA Regulations • Missing mid and top guardrails a walkway, stair, or ladder shall be provided to all
scaffold platforms. 1637(n)(1)
• Safe Work Practices • Improper access
• Platforms not fully planked • Anchorage and bracing shall be such that
Safety Tip • Substandard planks scaffolds and falsework will be prevented from
• Falling objects/missing toe boards swaying, tipping, or collapsing. 1637(c)
Following manufacturer’s instructions, • Slippery platforms • Manufactured planks shall be able to support its
complying with Cal/OSHA regulations, weight plus 4 times the live load. 1637(f)(3)(A)
and using this GUIDE as a reference help Electrical Hazards • Workers on scaffolds who are exposed to
• Building scaffold too close to power lines
you in working safely with supported • Ungrounded/damaged tools & equipment on scaffold overhead hazards shall be provided with
scaffolds. overhead protection or other means that will
These hazards mainly come from parts failure, not effectively eliminate the hazard. 1637(q)
following proper installation, inspection, and • Platform must be at least 20” wide and shall not
For help from Cal/OSHA call dismantling procedures, the failures at attachment be sloped more than 2 to 10. Slippery platform
1-800-963-9424 points, inadequate fall protection, changing conditions are prohibited. 1637(p)
or visit weather conditions, and overloading of scaffolds.
November 2012 http://www.dir.ca.gov/dosh/dosh1.html Selected regulations continued in next page.....
Beware of falls and scaffold collapse.
