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(a) Circular head saws shall not be operated at speeds in excess of 10,000 peripheral feet per minute, unless specially tensioned and recommended by the manufacturer for the higher speeds, in which case the saw shall be distinctively marked to indicate the higher speed.
(b) When saws are repaired, remanufactured, or retensioned to change their operating speeds, the saw shall be tagged, painted, marked, or otherwise flagged to indicate the new operating speed.
NOTE: The following table shows revolutions per minute of saws operated at the rim speed of 10,000 feet per minute:
Diameter of Diameter of saws, inches R.P.M. saws, inches R.P.M. 8................. 4,774 46 830 9................. 4,244 48....................800 10................. 3,819 50....................764 11................. 3,472 52....................734 12................. 3,183 54....................707 14................. 2,728 56................... 682 16................. 2,387 58....................658 18................. 2,122 60....................636 20................. 1,910 62....................616 22................. 1,736 64....................597 24................. 1,592 66....................579 26................. 1,469 68....................562 28................. 1,364 70....................546 30................. 1,273 72....................530 32................. 1,193 74....................516 34................. 1,123 76....................502 36................. 1,061 78....................490 38................. 1,005 80....................477 40................... 955 82....................465 42................... 910 84....................455 44................... 868
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
HISTORY
1. Amendment filed 2-6-85; effective thirtieth day thereafter (Register 85, No. 6).
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