Regulations (Standards - 29 CFR) - Table of Contents|
| Part Number:||1926|
| Part Title:||Safety and Health Regulations for Construction|
| Subpart Title:||Demolition|
| Standard Number:||1926.859|
| Title:||Mechanical demolition.|
| GPO Source:||e-CFR|
No workers shall be permitted in any area, which can be adversely affected by demolition operations, when balling or clamming is being performed. Only those workers necessary for the performance of the operations shall be permitted in this area at any other time.
The weight of the demolition ball shall not exceed 50 percent of the crane's rated load, based on the length of the boom and the maximum angle of operation at which the demolition ball will be used, or it shall not exceed 25 percent of the nominal breaking strength of the line by which it is suspended, whichever results in a lesser value.
The crane boom and loadline shall be as short as possible.
The ball shall be attached to the loadline with a swivel-type connection to prevent twisting of the loadline, and shall be attached by positive means in such manner that the weight cannot become accidentally disconnected.
When pulling over walls or portions thereof, all steel members affected shall have been previously cut free.
All roof cornices or other such ornamental stonework shall be removed prior to pulling walls over.
During demolition, continuing inspections by a competent person shall be made as the work progresses to detect hazards resulting from weakened or deteriorated floors, or walls, or loosened material. No employee shall be permitted to work where such hazards exist until they are corrected by shoring, bracing, or other effective means.
Next Standard (1926.860)|
|Regulations (Standards - 29 CFR) - Table of Contents|
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