Section 24-3202. USE OF CORROSIVE SUBSTANCES

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3202.1Acids or other corrosive substances may be used for cleaning windows only under the conditions set forth in this section.

3202.2A scaffold shall be used.

3202.3If the scaffold that is used is of the swinging type, it shall be suspended by a wire rope.

3202.4The use of a fiber rope of any kind is prohibited.

3202.5A highly dilute solution that is not more than five percent (5%) hydrochloric (muriaic) acid shall be used.

3202.6The cleaner shall wear rubber gloves and shall apply the solution with a brush.

3202.7All parts of the scaffolding and other equipment shall be liberally washed with water after each use to prevent corrosive reactions.

source

Section 11-2514, effective September 1, 1958, ch. 25, 5 DCR 28 (August 11, 1958); 11B DCRR, Special Edition.

                    
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