N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 12-2.8

Current through Register Vol. 46, No. 50, December 11, 2024

Section 12-2.8 - Welding, brazing, flame cutting and metallizing

(a) General requirements. Welding, brazing, flame cutting and metallizing operations creating dangerous air contaminants shall be provided with ventilation to control such contaminants.

(b) Classes of operations. Operations involving welding, brazing, flame cutting and metallizing operations are divided into the following classes for the purposes of this Part (rule):

(1) Class I--operations in confined spaces involving toxic metals including but not limited to antimony, berryllium, cadmium, lead, mercury, selenium or tellurium, or involving fluorine or any alloy, compound or flux containing any one or combination thereof of other dangerous air contaminants.

(2) Class II--operations in confined spaces involving metals, alloys or compounds other than those listed in Class I.

(3) Class III--operations in unconfined spaces involving metals, alloys or compounds listed in Class I.

(4) Class IV--operations in unconfined spaces involving metals, alloys or compounds other than those listed in Class I.

(c) Protection of operators.

(1) Class I requirements. Every employee required to work within a confined space where any Class I operation is performed shall be furnished an approved air line respirator or supplied air helmet, and the confined space shall be ventilated at a minimum rate of 1,000 c.f.m. per welder within the enclosure.

(2) Class II requirements. Every employee required to work within a confined space where any Class II operation is performed shall be furnished an approved air line respirator or supplied air helmet, or the confined space shall be ventilated at a minimum rate of 1,000 c.f.m. per welder within the enclosure.

(3) Class III requirements. Every Class III operation shall be provided with local exhaust ventilation.

(4) Class IV requirements. Every Class IV operation at a fixed location as part of a production process shall be provided with local exhaust ventilation where practicable. All other Class IV operations shall be provided with dilution ventilation.

Exceptions:The following Class IV operations are excepted from the above:

Exceptions:

1. Spot welding.

Exceptions:

2. Operations which are not usual shop practice.

Exceptions:

3. Out-of-door operations.

N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 12-2.8