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Subchapter 7. General Industry Safety Orders
Group 8. Points of Operation and Other Hazardous Parts of Machinery
Article 56. Metal Working Machines

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§4231. Circular Metal-Cutting Saws (Class B).

(a) Circular metal-cutting saws shall be provided with a hood which will cover the saw to at least the depth of the teeth.

The hood shall automatically adjust itself to the thickness of and remain in contact with the material being cut at the point where the stock encounters the saw, or

(b) There shall be a fixed or manually adjusted hood or guard provided the space between the bottom of the guard and the material being cut does not exceed three-eighths inch, or

(c) The saw shall be covered with a horizontally sliding guard or an enclosure with an opening through which the stock will pass, if the material to be cut is in the form of angles, T-bars, Z-bars or other shapes which cannot pass under the guards named in (a) and (b).


1. Saws used for cutting hot metal and saws with periphery speed less than 500 feet per minute.

2. Stereotype saws, electrotype saws and similar saws used for cutting zinc, copper or brass plate, or soft metals, if a laminated safety glass shield or similar barrier is provided above the saw, so placed as to afford protection to the operator.

(d) The exposed parts of the saw blade under the table shall be guarded.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Repealer and new section filed 10-25-74; effective thirtieth day thereafter (Register 74, No. 43).

2. Amendment filed 12-16-85; effective thirtieth day thereafter (Register 85, No. 51).

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